CN204366040U - Selective laser sintering machinery - Google Patents
Selective laser sintering machinery Download PDFInfo
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- CN204366040U CN204366040U CN201420870009.3U CN201420870009U CN204366040U CN 204366040 U CN204366040 U CN 204366040U CN 201420870009 U CN201420870009 U CN 201420870009U CN 204366040 U CN204366040 U CN 204366040U
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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 utility model discloses a kind of selective laser sintering machinery, belong to quick forming fabri-cation field.Selective laser sintering machinery comprises powder feeding mechanism, slew gear, maker and laser instrument; Powder feeding mechanism is used for providing powder; Maker has manufacturing platform and the first drive unit, and the first drive unit does rectilinear motion for driving manufacturing platform; Slew gear is swept for the powder provided by powder feeding mechanism that moved by plane rotation, and delivers on manufacturing platform, and by floating for the powder on manufacturing platform to form powder bed; Laser instrument is positioned at the top of manufacturing platform, for providing laser to sinter the powder bed on manufacturing platform; Wherein, powder feeding mechanism and maker are respectively in the both sides of slew gear.The powder that the utility model makes to drop on manufacturing platform by technique scheme is even, improves the uniformity of paving powder thickness, thus improves the uniformity of powder smelting degree, improve the quality of finished parts.
Description
Technical field
The utility model belongs to quick forming fabri-cation field, particularly a kind of selective laser sintering machinery.
Background technology
Since rapid shaping technique is born, SLS (Selective Laser Sintering, selective laser sintering) technology receives much attention because carrying out the quick manufacture of metal parts, its with various dusty material (as powder materials such as paraffin, Merlon, quartz sand, pottery and metals) for processing object, specific embodiment: split by part C AD model by hierarchy slicing software, forms several book layer planes.During thermal sintering, first carry out paving powder with power spreading device, then laser scans material selectively according to the geometry of aspect, makes powder smelting, and is bonded on subsurface material, and the powder do not sintered by laser scanning is then as the supporter of part.After completing one deck sintering, workbench declines a slice thickness, again spreads powder, sintering, repeats such process, until sinter out whole part.
In prior art, main adopt roller paving powder technology, in the art, by a set of work of dusting, metal dust is sprayed on workbench, then by the roll extrusion of cylinder by powder pressing.Because the powder dropped on workbench is uneven, so can not ensure that, under identical laser scanning frequency, the uniformity of the thawing degree of metal dust, reduces the quality of finished parts.
Utility model content
In order to solve the problem, the utility model embodiment provides a kind of selective laser sintering machinery, and it comprises: powder feeding mechanism, slew gear, maker and laser instrument; Described powder feeding mechanism is used for providing powder; Described maker has manufacturing platform and the first drive unit, and described first drive unit does rectilinear motion for driving described manufacturing platform; Described slew gear is used for being swept by the powder that described powder feeding mechanism provides by plane rotation motion, and delivers on described manufacturing platform, and by floating for the powder on described manufacturing platform to form powder bed; Described laser instrument is positioned at the top of described manufacturing platform, for providing laser to sinter the powder bed on described manufacturing platform; Wherein, described powder feeding mechanism and described maker are respectively in the both sides of described slew gear.
In selective laser sintering machinery as above, preferably, described slew gear comprises: revolving dial, be arranged in parallel with described manufacturing platform, for providing support, second drive unit, for providing driving force, and the paving powder rocking arm be positioned at above described revolving dial, described paving powder rocking arm has revoliving arm and is fixed on the floating edge of a knife chi on described revoliving arm, described revoliving arm is connected with the actuator of described second drive unit and moves to do plane rotation under the driving of described second drive unit actuator, the lower sword of described floating edge of a knife chi is positioned at the below of described revoliving arm and plane to be swept by the powder that described powder feeding mechanism provides under the drive of described revoliving arm and to make described powder move in a circle to deliver on described manufacturing platform by described powder on described revolving dial in inclination, then by floating for the powder delivered on described manufacturing platform.
In selective laser sintering machinery as above, preferably, described revolving dial is provided with through hole; Described second drive unit comprises: stepper motor, and described stepper motor is used for providing driving force; And decelerator, described decelerator is connected with the output shaft of described stepper motor, and the output shaft of described decelerator is connected with described revoliving arm through the through hole on described revolving dial, and the output shaft of described decelerator is the actuator of described second drive unit.
In selective laser sintering machinery as above, preferably, described first drive unit comprises: for providing the first cylinder of driving force, the piston rod of described first cylinder is connected with the bottom surface of described manufacturing platform.
In selective laser sintering machinery as above, preferably, described powder feeding mechanism comprises: storage powder tank, for storing described powder; And the 3rd drive unit, think that described maker provides powder for driving described powder by moving in described storage powder tank outside described storage powder tank.
In selective laser sintering machinery as above, preferably, through hole is provided with at the bottom of the tank of described storage powder tank; Described 3rd drive unit comprises: the first cylinder, the through hole of one end on described storage powder tank of the piston rod of described first cylinder stretches in described storage powder tank, the base plate of described first cylinder is connected with one end of described piston rod, and be positioned at described storage powder tank, described base plate is piled up described powder.
In selective laser sintering machinery as above, preferably, described selective laser sintering machinery also comprises: preheating apparatus; Described preheating apparatus is for providing thermal source to carry out preheating to the powder on described manufacturing platform.
In selective laser sintering machinery as above, preferably, described preheating apparatus is arranged on the bottom surface of described manufacturing platform, and described preheating apparatus comprises: mica sheet, and the end face of described mica sheet contacts with the bottom surface of described manufacturing platform; Heating tube, is arranged on the bottom surface of described mica sheet, for providing thermal source; And heat-resisting chamber, for holding described mica sheet and described heating tube, be fixed on the bottom surface of described manufacturing platform.
In selective laser sintering machinery as above, preferably, described selective laser sintering machinery also comprises: seal closure; Described seal closure and described powder feeding mechanism, slew gear and maker form an airtight chamber; The cover top of described seal closure has laser window to be beneficial to described laser instrument and to carry out laser irradiation through described laser window to the powder on described manufacturing platform.
In selective laser sintering machinery as above, preferably, described laser window is inlaid with in flat quartz glass.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
Do plane rotation motion by paving powder rocking arm powder swept and delivers on manufacturing platform then by floating for the powder on manufacturing platform, make the powder that drops on manufacturing platform even, improve the uniformity of paving powder thickness, thus improve the uniformity of powder smelting degree, improve the quality of finished parts.
Moved by the plane rotation of paving powder rocking arm and spread powder work, make paving powder speed controlled, the paving powder time is short.
Removing work can also be automatically completed for the useless powder be scattered on revolving dial by the plane rotation motion of paving powder rocking arm.
Accompanying drawing explanation
The structural representation of a kind of selective laser sintering machinery that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the structural representation after Fig. 1 analyses and observe along hatching A-A;
A kind of structural representation spreading powder rocking arm that Fig. 3 provides for the utility model embodiment;
Fig. 4 is the structural representation after Fig. 3 analyses and observe along hatching B-B;
Wherein, in figure, symbol description is as follows:
1 powder feeding mechanism, 2 makers, 4 laser instruments, 5 preheating apparatus, 6 airtight chamber,
10 powder, 11 storage powder tanks, 12 second cylinders, 13 base plates, 21 manufacturing platforms, 22 first cylinders,
31 revolving dials, 32 paving powder rocking arms, 320 revoliving arms, 321 floating edge of a knife chis, 3210 times swords,
33 stepper motors, 34 decelerators, 51 mica sheets, 52 heating tubes, 53 heat-resisting chambeies,
61 quartz glass, 62 sealing rings, 63 dust-exhausting ports, H vertical direction, L length direction.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
See Fig. 1-4, the utility model embodiment provides a kind of selective laser sintering machinery, and it comprises: powder feeding mechanism 1, maker 2, slew gear and laser instrument 4.Powder feeding mechanism 1 is for providing powder 10, and powder can be metal dust, also can be non-metal powder.According to the requirement of Selective Laser Sintering, the powder required for processing part to be manufactured provides by powder feeding mechanism 1 several times, provides a part for powder required for processing part to be manufactured at every turn.Maker 2 is for providing manufacturing site location, and part to be manufactured completes sintering process thereon, and it has: manufacturing platform 21 and the first drive unit.Manufacturing platform 21 is manufacturing site location, and the first drive unit does rectilinear motion for driving manufacturing platform 21.Slew gear is used for being swept by the powder that powder feeding mechanism 1 provides by plane rotation motion, and delivers on manufacturing platform 21, and by floating for the powder on manufacturing platform 21 to form powder bed.Form because part to be manufactured is sintered successively by multiple layer powder layer, therefore the thickness of powder bed is preferably 0.05 ~ 0.30mm, more preferably 0.1mm, can form the thick powder bed of 0.1mm after the powder at every turn provided by powder feeding mechanism 1 is floating on manufacturing platform 21.Laser instrument 4 is positioned at the top of manufacturing platform 21, and for Emission Lasers to sinter the powder bed on manufacturing platform 21, in reality, laser instrument carries out selective sintering according to the processing request of part to be manufactured to powder bed.Powder feeding mechanism 1 and maker 2 are respectively in the both sides of slew gear, and as shown in Figure 1, powder feeding mechanism 1 is positioned at the left side of slew gear, and maker 2 is positioned at the right side of slew gear.
Particularly, slew gear comprises: revolving dial 31, paving powder rocking arm 32 and the second drive unit.Revolving dial 31 and manufacturing platform 21 be arranged in parallel, do in the process of plane rotation motion at paving powder rocking arm 32, for powder provides support, revolving dial 31 with do rectilinear motion before manufacturing platform 21 and manufacturing platform after doing rectilinear motion all in being horizontally disposed with, see Fig. 1, paving powder rocking arm does plane rotation motion in horizontal plane, manufacturing platform 21 under the driving of the first drive unit vertically H do rectilinear motion.Second drive unit is used for providing driving force, and preferably, powder feeding mechanism and maker are respectively in the both sides of the actuator of the second drive unit.Paving powder rocking arm 32 is positioned at the top of revolving dial 31, and it has revoliving arm 320 and floating edge of a knife chi 321.Revoliving arm 320 is connected with the actuator of the second drive unit and moves to do plane rotation under the driving of the second drive unit actuator.Floating edge of a knife chi 321 is fixed on revoliving arm 320, its lower sword 3210 is positioned at the below of revoliving arm 320, and it is plane in what tilt, namely the powder descending the angle between sword and manufacturing platform place plane to be beneficial to powder feeding mechanism to provide for acute angle sweeps, then make powder along with revoliving arm plane rotation motion move in a circle to deliver on manufacturing platform on revolving dial, when delivering on manufacturing platform, rely on the lower sword 3210 tilted by floating for the powder on manufacturing platform and compacting.The length direction of lower sword 3210 is consistent with the length direction L of revoliving arm, and the length of lower sword is preferably greater than or equal to the length of manufacturing platform and the length of storage powder tank.The bottom of lower sword contacts with revolving dial.See Fig. 2, the center of revolving dial has through hole, the actuator of the second drive unit stretches out outside through hole and revoliving arm rotatable engagement, powder feeding hole and powder process hole is had in the both sides of revolving dial center through hole, powder feeding mechanism and maker lay respectively at the both sides of the actuator of the second drive unit, the powder that powder feeding mechanism provides exposes powder feeding hole and is swept by paving powder rocking arm outward, then move in a circle on revolving dial under the plane rotation motion of paving powder rocking arm, the manufacturing platform of maker stretches out or retraction powder process hole under the driving of the first drive unit, when behind manufacturing platform retraction powder process hole, hold between manufacturing platform and revolving dial and leave gap, fall in this gap after making powder moving to powder process hole place, and it is floating by paving powder rocking arm.
During application, under the driving of the second drive unit of paving powder rocking arm 32, carry out plane rotation motion.In gyration process, the powder that powder feeding mechanism 1 provides swept and be transplanted on manufacturing platform 21, because there is an angle tilted the lower end of the floating edge of a knife chi 321 on paving powder rocking arm 32, so in the pivotal process of promotion powder, at the F that makes a concerted effort
3under the effect of power, powder particle can not be kicked up, and therefore, efficiency is higher, and the scope of operation is cleaner.Component F
1for powder propulsive force makes powder move in a circle along with spreading powder rocking arm, component F
2for powder compaction power makes when powder is when the gap (i.e. the plane of rotation of manufacturing platform and floating edge of a knife chi lower end formed gap) of manufacturing platform, promote powder and fill and lead up gap downwards and compacting, utilize the lower sword 3210 of floating edge of a knife chi that powder is floating.
Do the speed of plane rotation motion and the paving powder time of paving powder rocking arm for the ease of effectively controlling to spread powder rocking arm 32, the second drive unit comprises: stepper motor 33 and decelerator 34.Stepper motor 33 is for providing driving force, and its output shaft is connected with decelerator 34; Decelerator 34 slows down to meet the rate request doing plane rotation motion for the rotating speed provided stepper motor, its output shaft is as the actuator of the second drive unit, and the free end of the output shaft of decelerator is through the through hole that revolving dial 31 is arranged and revoliving arm 320 rotatable engagement.Namely after stepper motor 33 is slowed down by decelerator 34, drive the revoliving arm 320 be connected with decelerator 34 output shaft to do plane rotation to move, and then drive floating edge of a knife chi 321 to do plane rotation motion, thus make floating edge of a knife chi 321 by being swept by the powder that powder feeding mechanism 1 provides during powder feeding mechanism 1, then when by manufacturing platform 21, the powder swept is placed on manufacturing platform 21, and floating formation powder bed, namely complete the work of paving powder.
First drive unit comprises: be positioned at the first cylinder 22 below manufacturing platform 21, adopts the first cylinder 22 can reduce production cost as the drive unit of manufacturing platform 21.The piston rod of the first cylinder 22 be connected with the bottom surface of manufacturing platform 21 to make manufacturing platform 21 under the driving of the first cylinder 22 vertically H do rectilinear motion.In reality, according to the processing technology requirement of part to be manufactured, manufacturing platform 21 preferred vertically H under the driving of the first cylinder 22 moves downward, and powder feeding mechanism 1 provides powder several times, then manufacturing platform 21 moves downward several times, namely moves downward certain distance at every turn.
Powder feeding mechanism 1 comprises: storage powder tank 11 and the 3rd drive unit.Storage powder tank 11 is for storing powder.The tank deck of storage powder tank 11 and the end face of revolving dial 31 coexist on a horizontal plane.3rd drive unit is used for powder to think that maker 2 provides powder by storing up in powder tank 11 to be urged to outside storage powder tank 11.In reality, according to the processing technology requirement of part to be manufactured, powder feeding mechanism 1 provides for more than 2 time powder to complete the manufacture of part for maker, is urged to outside storage powder tank 11 by a part of powder in storage powder tank 11 by storing up in powder tank 11 at every turn.In other examples, the first drive unit and the 3rd drive unit can also be ball screw driving device or gear device.
3rd drive unit comprises the second cylinder 12 and base plate 13, adopts the second cylinder can reduce production cost as the 3rd drive unit.One end of the piston rod of the second cylinder 12 is stretched in storage powder tank 11 through storing up the through hole arranged at the bottom of powder tank 11 tank, and is connected with the bottom surface of base plate 13.Base plate 13 is arranged in storage powder tank in a horizontal manner, and the end face of base plate 13 piles up powder, and the side of base plate 13 contacts with the tank skin of storage powder tank 11, preferably between the side of base plate 13 and the tank skin of storage powder tank 11, is provided with sealing ring to improve sealing.In other examples, base plate 13 can also be the piston of the second cylinder 12.
Selective laser sintering machinery also comprises: preheating apparatus 5, and it is for providing thermal source to carry out preheating to the powder on manufacturing platform 21.Preheated by the powder on preheating apparatus 5 pairs of manufacturing platforms 21, laser sintered speed can be improved, thus improve production efficiency.
Particularly, to improve the efficiency of heating surface and to avoid the plane rotation motion of preheating apparatus to paving powder rocking arm 32 arranged to cause interference on the bottom surface that preheating apparatus 5 is arranged at manufacturing platform 21, it preferably includes: mica sheet 51, heating tube 52 and heat-resisting chamber 53.Mica sheet 51 is arranged on the bottom surface of manufacturing platform 21, and its end face contacts with the bottom surface of manufacturing platform 21; Heating tube 52 is arranged on the bottom surface of mica sheet 51, for providing thermal source; Heat-resisting chamber 53, for holding mica sheet 51 and heating tube 52, is fixed on the bottom surface of manufacturing platform 21, can prevent scattering and disappearing of heat in preheating process.
Selective laser sintering machinery also comprises: seal closure, itself and powder feeding mechanism, slew gear and maker form an airtight chamber 6, particularly, the revolving dial 31 of the tank skin of storage powder tank 11 of seal closure and powder feeding mechanism 1, the manufacturing platform 21 of maker 2 and slew gear forms a confined space, powder so can be avoided to destroy the powder in process the pollution of surrounding environment and surrounding environment, such as, make Powder Oxidation.The junction of seal closure and manufacturing platform, revolving dial is provided with sealing ring 62 to strengthen the sealing of airtight chamber.The cover wall of seal closure has the dust-exhausting port 63 for dust discharge.The cover top of seal closure has laser window be beneficial to laser instrument 4 and carry out laser irradiation through laser window to the powder on manufacturing platform.Entering in airtight chamber in order to be beneficial to laser from laser window transmission, laser window being inlaid with in flat quartz glass 61.
Below the course of work of selective laser sintering machinery is described in detail:
According to the requirement for height of part to be manufactured, determine the part height that each circulation manufactures, be described for the speed (thickness namely sintered is that 0.1mm or laser sintered beat are for 0.1mm) manufacturing 0.1mm part according to each circulation at every turn.
The tank deck that a part of metal dust stored in storage powder tank or non-metal powder are delivered to storage powder tank according to laser sintered beat by powder feeding mechanism is outer with the surface higher than revolving dial.By the decline (such as can decline 0.1mm) of the first cylinder of maker at every turn, make to be connected to the difference in height forming a 0.1mm between manufacturing platform on the first cylinder and revolving dial.Stepper motor to slew gear sends instruction, after stepper motor is slowed down by decelerator, plane rotation motion is carried out by the paving powder rocking arm be connected on reducer output shaft, paving powder rocking arm is when by storage powder tank, metal dust or non-metal powder are swept from storage powder tank top and deliver to manufacturing platform by gyration, and floating.Owing to there being the difference in height of a 0.1mm between manufacturing platform and revolving dial, so metal or the non-metal powder of 0.1mm thickness can be held, be the powder bed of 0.1mm at floating rear formation thickness.Then by preheating apparatus, preheating is carried out to improve laser sintered speed to the metal be layered on manufacturing platform or non-metal powder, thus enhance productivity.Laser instrument is made to carry out selection type sintering through quartz glass to the metal of preheating or non-metal powder again.According to said process circulation repeatedly, until complete the manufacture work of whole part.
In other words, because each manufactures in cyclic process, a certain amount of metal dust that the piston in storage powder tank can eject or non-metal powder, and make it the plane of rotation exceeding paving powder rocking arm floating edge of a knife chi lower end; Meanwhile, manufacturing platform is under its underpart connects the drive of piston, and decline a segment distance (0.1mm), makes it to form gap with the plane of rotation spreading powder rocking arm floating edge of a knife chi lower end.Paving powder rocking arm is in gyration process, floating edge of a knife chi is utilized to sweep from the top of storage powder cylinder in the powder exceeding plane of rotation in storage powder tank, push to the gap location of manufacturing platform and plane of rotation, and under the effect of the downward thrust utilizing the inclined-plane of floating edge of a knife chi to produce, by powder pressing on manufacturing platform, namely complete the work of paving powder.According to said process circulation repeatedly, until complete the manufacture work of whole part.
In sum, the beneficial effect of the utility model embodiment is as follows:
Do plane rotation motion by paving powder rocking arm powder swept and delivers on manufacturing platform then by floating for the powder on manufacturing platform, make the powder that drops on manufacturing platform even, improve the uniformity of paving powder thickness, thus improve the uniformity of powder smelting degree, improve the quality of finished parts.
Moved by the plane rotation of paving powder rocking arm and spread powder work, make paving powder speed controlled, the paving powder time is short.
Removing work can also be automatically completed for the useless powder be scattered on revolving dial by the plane rotation motion of paving powder rocking arm.
As known by the technical knowledge, the utility model can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Allly all to be included in the utility model within the scope of the utility model or being equal to the change in scope of the present utility model.
Claims (10)
1. a selective laser sintering machinery, is characterized in that: described selective laser sintering machinery comprises: powder feeding mechanism, slew gear, maker and laser instrument;
Described powder feeding mechanism is used for providing powder;
Described maker has manufacturing platform and the first drive unit, and described first drive unit does rectilinear motion for driving described manufacturing platform;
Described slew gear is used for being swept by the powder that described powder feeding mechanism provides by plane rotation motion, and delivers on described manufacturing platform, and by floating for the powder on described manufacturing platform to form powder bed;
Described laser instrument is positioned at the top of described manufacturing platform, for providing laser to sinter the powder bed on described manufacturing platform;
Wherein, described powder feeding mechanism and described maker are respectively in the both sides of described slew gear.
2. selective laser sintering machinery according to claim 1, it is characterized in that, described slew gear comprises:
Revolving dial, be arranged in parallel with described manufacturing platform, for providing support;
Second drive unit, for providing driving force; And
Be positioned at the paving powder rocking arm above described revolving dial, described paving powder rocking arm has revoliving arm and is fixed on the floating edge of a knife chi on described revoliving arm, described revoliving arm is connected with the actuator of described second drive unit and moves to do plane rotation under the driving of described second drive unit actuator, the lower sword of described floating edge of a knife chi is positioned at the below of described revoliving arm, and it is plane the powder that described powder feeding mechanism provides swept under the drive of described revoliving arm and to make described powder move in a circle to deliver on described manufacturing platform by described powder on described revolving dial in what tilt, then by floating for the powder delivered on described manufacturing platform.
3. selective laser sintering machinery according to claim 2, is characterized in that, described revolving dial is provided with through hole;
Described second drive unit comprises:
Stepper motor, described stepper motor is used for providing driving force; And
Decelerator, described decelerator is connected with the output shaft of described stepper motor, and the output shaft of described decelerator is connected with described revoliving arm through the through hole on described revolving dial, and the output shaft of described decelerator is the actuator of described second drive unit.
4. selective laser sintering machinery according to claim 1, it is characterized in that, described first drive unit comprises:
For providing the first cylinder of driving force, the piston rod of described first cylinder is connected with the bottom surface of described manufacturing platform.
5. selective laser sintering machinery according to claim 1, it is characterized in that, described powder feeding mechanism comprises:
Storage powder tank, for storing described powder; And
By moving in described storage powder tank outside described storage powder tank, 3rd drive unit, thinks that described maker provides powder for driving described powder.
6. selective laser sintering machinery according to claim 5, is characterized in that, be provided with through hole at the bottom of the tank of described storage powder tank;
Described 3rd drive unit comprises:
First cylinder, the through hole of one end on described storage powder tank of the piston rod of described first cylinder stretches in described storage powder tank, and the base plate of described first cylinder is connected with one end of described piston rod, and is positioned at described storage powder tank, described base plate is piled up described powder.
7. selective laser sintering machinery according to claim 1, it is characterized in that, described selective laser sintering machinery also comprises: preheating apparatus;
Described preheating apparatus is for providing thermal source to carry out preheating to the powder on described manufacturing platform.
8. selective laser sintering machinery according to claim 7, it is characterized in that, described preheating apparatus is arranged on the bottom surface of described manufacturing platform, and described preheating apparatus comprises:
Mica sheet, the end face of described mica sheet contacts with the bottom surface of described manufacturing platform;
Heating tube, is arranged on the bottom surface of described mica sheet, for providing thermal source; And
Heat-resisting chamber, for holding described mica sheet and described heating tube, is fixed on the bottom surface of described manufacturing platform.
9. selective laser sintering machinery according to claim 1, it is characterized in that, described selective laser sintering machinery also comprises: seal closure;
Described seal closure and described powder feeding mechanism, slew gear and maker form an airtight chamber;
The cover top of described seal closure has laser window to be beneficial to described laser instrument and to carry out laser irradiation through described laser window to the powder on described manufacturing platform.
10. selective laser sintering machinery according to claim 9, it is characterized in that, described laser window is inlaid with in flat quartz glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420870009.3U CN204366040U (en) | 2014-12-31 | 2014-12-31 | Selective laser sintering machinery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420870009.3U CN204366040U (en) | 2014-12-31 | 2014-12-31 | Selective laser sintering machinery |
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| CN204366040U true CN204366040U (en) | 2015-06-03 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105039970A (en) * | 2015-07-02 | 2015-11-11 | 西安交通大学 | Dual-beam laser selective melting and moulding equipment with exchangeable powder cylinder |
| CN105624650A (en) * | 2016-01-04 | 2016-06-01 | 京东方科技集团股份有限公司 | Device and use method of device |
| CN105798300A (en) * | 2016-04-12 | 2016-07-27 | 江苏思睿迪快速制造科技有限公司 | 3D printing machine with software loadable system (SLS) and printing method for 3D printing machine with SLS |
| CN110216286A (en) * | 2019-06-25 | 2019-09-10 | 江苏大学 | A kind of centrifugal force auxiliary paves the laser cladding apparatus and method of powder |
| CN111957953A (en) * | 2020-08-26 | 2020-11-20 | 东北林业大学 | Laser sintering equipment |
-
2014
- 2014-12-31 CN CN201420870009.3U patent/CN204366040U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105039970A (en) * | 2015-07-02 | 2015-11-11 | 西安交通大学 | Dual-beam laser selective melting and moulding equipment with exchangeable powder cylinder |
| CN105624650A (en) * | 2016-01-04 | 2016-06-01 | 京东方科技集团股份有限公司 | Device and use method of device |
| WO2017118081A1 (en) * | 2016-01-04 | 2017-07-13 | 京东方科技集团股份有限公司 | Maintenance device and use method of maintenance device |
| CN105624650B (en) * | 2016-01-04 | 2018-11-23 | 京东方科技集团股份有限公司 | A kind of application method of device and the device |
| CN105798300A (en) * | 2016-04-12 | 2016-07-27 | 江苏思睿迪快速制造科技有限公司 | 3D printing machine with software loadable system (SLS) and printing method for 3D printing machine with SLS |
| CN110216286A (en) * | 2019-06-25 | 2019-09-10 | 江苏大学 | A kind of centrifugal force auxiliary paves the laser cladding apparatus and method of powder |
| CN110216286B (en) * | 2019-06-25 | 2020-08-28 | 江苏大学 | Laser cladding device and method for spreading powder under assistance of centrifugal force |
| CN111957953A (en) * | 2020-08-26 | 2020-11-20 | 东北林业大学 | Laser sintering equipment |
| CN111957953B (en) * | 2020-08-26 | 2022-07-12 | 东北林业大学 | Laser sintering equipment |
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