CN208853710U - A kind of more material molding machines based on metal 3D printing - Google Patents
A kind of more material molding machines based on metal 3D printing Download PDFInfo
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- CN208853710U CN208853710U CN201821172067.3U CN201821172067U CN208853710U CN 208853710 U CN208853710 U CN 208853710U CN 201821172067 U CN201821172067 U CN 201821172067U CN 208853710 U CN208853710 U CN 208853710U
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- 239000000463 material Substances 0.000 title claims abstract description 67
- 238000000465 moulding Methods 0.000 title claims abstract description 36
- 239000002184 metal Substances 0.000 title claims abstract description 33
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 33
- 238000010146 3D printing Methods 0.000 title claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 182
- 238000000227 grinding Methods 0.000 claims abstract description 23
- 238000003892 spreading Methods 0.000 claims abstract description 11
- 230000007480 spreading Effects 0.000 claims abstract description 11
- 238000003860 storage Methods 0.000 claims abstract description 10
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- 230000033001 locomotion Effects 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005253 cladding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a kind of more material molding machines based on metal 3D printing, including control system, the laser aid for metal powder selective melting, molding room, moulding cylinder, powder storage device, the power spreading device etc. for controlling the operation of metal 3D printer；This molding machine is different from traditional flood and is coated with, and using powder leakage mouth according to powder leakage path powder leakage, reduces pre- powdering amount needed for processing every time.And in more material powders are coated with, powder is difficult to recycle, therefore reduces the powder waste of process from automatic powder feeding system.The organic combination of powder discharger and power spreading device in this molding machine, not only it had taken into account powdering but also had taken into account the path planning of powder, the utilization rate and more material compatibilities of powder are substantially increased, provides a kind of completely new technical solution combined about powdering with more material powder leakages for 3D printing technique field.
Description
Technical field
The utility model relates to material increasing fields more particularly to a kind of more materials based on metal 3D printing to form dress
It sets.
Background technique
The moulding material of metal increasing material manufacturing at present is mainly dusty material.According to different powder feeding modes, metal increases material
Manufacturing method can be divided into presetting system powder feeding mode and coaxially dust two kinds of mode, wherein selective laser fusing and electron beam constituency
Fusing is the representative technology of presetting system powder feeding mode, and laser near-net-shape is the representative technology of mode of coaxially dusting.This kind of powder
The metal increases material manufacturing technology of material can molding structure be fine and close, metal parts of metallurgical bonding, and can form some biographies
Uniting cutting way can not molding complicated shape part.
Wherein, fusing (Selective Laser Melting, SLM) technology in selective laser is that a kind of energy straight forming is high
Fine and close, the high-precision 3D printing technique for belonging to part, its working principle is that laser beam selectively melts the metal powder material of each layer,
Gradually it is stacked into 3-dimensional metal part.Before laser beam starts scanning, power spreading device is first the flat-pushing base to Processing Room of metal powder
On plate, the powder that then laser beam will selectively be melted on substrate by the profile information of current layer processes the wheel of current layer
Exterior feature is so processed layer by layer, until entire forming parts finish.
The technology is a kind of processing technology based on powder bed, and existing technique can only form single material, and actually make
With in the process, more material parts can satisfy the requirement of different operating conditions, for example, certain components of jet engine can be with several
Different metal materials integrally print, and metal more resistant to high temperature can be used partly because directly to contact with heat source in some
Alloy；And the metal material of more easy heat radiation can be used in another surface side of the part, but lighter, stronger and density is lower, with
Cut down weight.In traditional processing, common welding and powder metallurgy mode prepare more Material cladding parts, but it forms external form and has
More constraint is unable to satisfy the requirement of complicated shape in practical application.Therefore, based on more Material cladding systems of metal 3D printing
The body formed required complex parts of ability are made, are the great sides that currently manufactured industry and increases material manufacturing technology need urgently to develop
To.
U s company Digital Alloys releases metal 3D printer and realizes more materials using the method for squeezing out metal wire
Manufacture, but this molding mode is based on thread like material, leads to that forming part precision is lower, rough surface.Based on powder bed at
Type mode precision is high, but the mixed-powder after processing is difficult to efficiently separate, and reuses, causes the waste of material；A variety of materials
The characteristic of material is different, and the uniform of powder is difficult to ensure in mode in existing be coated with；Meanwhile the mobility of different materials powder and
Apparent density differs greatly, it is desirable to provide effective device adapts to being coated with for different powder, realizes the diversity of material.
Summary of the invention
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts and deficiency are provided one kind and are beaten based on metal 3D
More material molding machines of print.The utility model provides good powder bed environmental selectivity and is melted and molded, and realizes a variety of powder
The efficient of end utilizes and is quickly coated with, and forms high-precision more Material cladding parts.
The utility model is achieved through the following technical solutions:
A kind of more material molding machines based on metal 3D printing, including the control for controlling the operation of metal 3D printer
System, the laser aid 6 for metal powder selective melting, molding room 4, moulding cylinder, powder storage device, power spreading device 2；
It is characterized by:
The power spreading device 2 include powdering item 24, driven by y-axis motor 22 Y-axis screw rod guide rail 23, by X-axis motor 21
The X-axis screw rod guide rail 26 of driving；The powdering item 24 is mounted on Y-axis screw rod guide rail 23 by fixed plate 25, by y-axis motor 22
It is driven to move back and forth on workbench 5 along the track of Y-axis screw rod guide rail 23；
The powder storage device uses the powder discharger 1 of powder leakage mode of movement；The powder discharger 1 includes 15 He of powder leakage mouth
The powder leakage tank 12 of multiple storage unlike material powder；The powder leakage tank 12 is arranged above molding room, and each powder leakage tank 12 leads to respectively
It crosses powder leakage pipe 13 and the powder connection of unlike material is collected to powder leakage mouth 15, and in the inlet slot of each powder leakage pipe 13 and powder leakage mouth 15
Valve 16 is set at 14 and optionally allows the powder of required material to enter in powder leakage mouth 15 by the aperture of control valve 16；
The powder leakage mouth 15 is mounted on X-axis screw rod guide rail 26, X-direction motion track of the powder leakage mouth 15 in workbench 5
It is driven by X-axis motor 21, powder leakage mouth 15 is driven in the Y direction motion track of workbench 5 by y-axis motor 22.
The 15 tapered funnel structure in inside of powder leakage mouth.
The powder leakage tank 12 passes through the connection protection gas source of tracheae 11 with switch, which is used to adjust the air pressure of gas source
Size, to adapt to not have to material powder to air pressure requirement.
Powder collecting tank 3 is equipped in the left side of moulding cylinder.
Fixed plate 25 and powdering item 24 are detachable connection, can facilitate a variety of differences such as fixed silica gel strip, flexible iron plate
The powdering item 24 of material.
The operation method of more material molding machines of the utility model based on metal 3D printing, can be real as follows
It is existing:
Step 1: material changeover program, powder leakage path and laser scanning road are generated according to made threedimensional model slice of data
Diameter；
Target three-dimensional data are imported in control system, the powder of the material according to needed for every layer, controls corresponding powder leakage
Valve 16 in tank 12 at the inlet slot 14 of tracheae switch and powder leakage mouth 15, makes 15, powder leakage mouth to receive from selected powder leakage
Powder in tank 12；Meanwhile the minimum circumscribed rectangular body that some plane is parallel to processing plane, computer root are generated according to model
According to each slice layer data of the cuboid, a powder leakage width is deviated outward, and then generates powder leakage path；Meanwhile it calculating
Machine obtains the cross-section data of each slicing layer of part, generates laser according to the exterior contour of the slicing layer and in-profile data and sweeps
Retouch path；
Step 2: slice of data imports control system；
Step 3: control system extracts respective material data according to material changeover program, adjusts corresponding laser parameter, is leaking
Tracheae in specified powder leakage tank 12 is opened in powder device 1 and switchs and keep air pressure, opens simultaneously the corresponding inlet slot of powder leakage mouth 15
14 valve 16 leaks the powder of required material to the designated position of workbench 5 according to planning path by powder leakage mouth 15；
Step 4: after powder leaks to 5 designated position of workbench according to planning path from powder leakage mouth 15, X-axis motor 21,
Y-axis motor 22 is quickly coated on workbench 5 according to the motion profile of powder leakage path clustering powder leakage mouth 15 and specifies rectangular range
Powder bed；The closing of valve 16 of powder leakage slot 14 after specified path is covered to powder leakage mouth 15, while the switch of tracheae 11 is closed, and is stopped
It is passed through gas；
Y-axis motor 22 drives powdering item 24 back to move in Y direction, and the powder bed of rectangular range will be specified to carry out secondary paving
It covers, plays the role of smooth and compacting, powdering path planning is completed；
Step 5: after the completion of powdering path planning, laser aid 6 carries out constituency to this layer of powder bed according to laser beam scan path
Fusing；After the completion of this layer of selective melting operation, moulding cylinder declines a molding layer height, repeats powdering path planning step, directly
It is fully shaped to only to part.
The utility model compared with the existing technology, have following advantages and effects
1. the composite manufacturing of the utility model realization multiple material.Four or more can be placed in the powder discharger
Powder leakage tank to save different materials powder, and can control multiple powder leakage mouths to be opened and closed, realizes every layer of different materials powder at powder leakage
End is coated with.
2. the utilization rate that the utility model effectively improves powder.Be coated with different from traditional flood, using powder leakage mouth according to
Powder leakage path powder leakage reduces pre- powdering amount needed for processing every time.And in more material powders are coated with, powder is difficult to recycle benefit
With, therefore reduce from automatic powder feeding system the powder waste of process.The utility model powder discharger and power spreading device have
Machine integration, had not only taken into account powdering but also had taken into account the path planning of powder, and the utilization rate and more materials for substantially increasing powder are applicable in
Property, a kind of completely new technical solution combined about powdering with more material powder leakages is provided for 3D printing technique field.
3. the utility model assists powder feeding using air pressure.The mobility of a variety of materials powder has larger difference, therefore needs
Tracheae is connected on powder leakage tank, be passed through corresponding air pressure in gas regulation tank according to dissimilar material properties, powder is made to reach stable
The uniform powder leakage of flow velocity.
4. the utility model is according to powder accumulation Identity Plan powder leakage path.It is choosing that the powder bed of the utility model, which covers mode,
Selecting property powder leakage, this will form powder bed portions point without powder region, and powder is not direct and casing wall acts on and generates stacking characteristic.Therefore this reality
It is planned with novel powder leakage path according to the section of part minimum circumscribed rectangular body, the minimum circumscribed rectangular body must have one
A plane is parallel with processing plane.
Detailed description of the invention
Fig. 1 is more material molding machine overall structure diagrams of the utility model based on metal 3D printing；
Fig. 2 is the utility model powder discharger structural schematic diagram；
Fig. 3 is powder leakage mouth partial enlargement structural representation in Fig. 2；
Fig. 4 is the power spreading device structural schematic diagram of the utility model；
Fig. 5 is the utility model powdering and powder leakage process flow schematic diagram.
Specific embodiment
The utility model is more specifically described in detail combined with specific embodiments below.
Embodiment
As shown in Figs. 1-5.The utility model discloses a kind of more material molding machines based on metal 3D printing, including with
In control metal 3D printer operation control system, the laser aid 6 for metal powder selective melting, molding room 4, at
Type cylinder, powder storage device, power spreading device 2；It is characterized by:
The power spreading device 2 include powdering item 24, driven by y-axis motor 22 Y-axis screw rod guide rail 23, by X-axis motor 21
The X-axis screw rod guide rail 26 of driving；The powdering item 24 is mounted on Y-axis screw rod guide rail 23 by fixed plate 25, by y-axis motor 22
It is driven to move back and forth on workbench 5 along the track of Y-axis screw rod guide rail 23；
The powder storage device uses the powder discharger 1 of powder leakage mode of movement；The powder discharger 1 includes 15 He of powder leakage mouth
The powder leakage tank 12 of multiple storage unlike material powder；The powder leakage tank 12 is arranged above molding room, and each powder leakage tank 12 leads to respectively
It crosses powder leakage pipe 13 and the powder connection of unlike material is collected to powder leakage mouth 15, and in the inlet slot of each powder leakage pipe 13 and powder leakage mouth 15
Valve 16 is set at 14 and optionally allows the powder of required material to enter in powder leakage mouth 15 by the aperture of control valve 16；
The powder leakage mouth 15 is mounted on X-axis screw rod guide rail 26, X-direction motion track of the powder leakage mouth 15 in workbench 5
It is driven by X-axis motor 21, powder leakage mouth 15 is driven in the Y direction motion track of workbench 5 by y-axis motor 22.
The 15 tapered funnel structure in inside of powder leakage mouth.
The powder leakage tank 12 passes through the connection protection gas source of tracheae 11 with switch.
Powder collecting tank 3 is equipped in the left side of moulding cylinder.
A kind of operation method of more material molding machines based on metal 3D printing, includes the following steps:
Step 1: material changeover program, powder leakage path and laser scanning road are generated according to made threedimensional model slice of data
Diameter；
Target three-dimensional data are imported in control system, the powder of the material according to needed for every layer, controls corresponding powder leakage
Valve 16 in tank 12 at the inlet slot 14 of tracheae switch and powder leakage mouth 15, makes 15, powder leakage mouth to receive from selected powder leakage
Powder in tank 12；Meanwhile the minimum circumscribed rectangular body that some plane is parallel to processing plane, computer root are generated according to model
According to each slice layer data of the cuboid, a powder leakage width is deviated outward, the powder leakage width is according to different powder
Mobility determines, and then generates powder leakage path；Meanwhile computer obtains the cross-section data of each slicing layer of part, according to this
The exterior contour and in-profile data of slicing layer generate laser beam scan path；
Step 2: slice of data imports control system；
Step 3: control system extracts respective material data according to material changeover program, adjusts corresponding laser parameter, is leaking
Tracheae in specified powder leakage tank 12 is opened in powder device 1 and switchs and keep air pressure, opens simultaneously the corresponding inlet slot of powder leakage mouth 15
14 valve 16 leaks the powder of required material to the designated position of workbench 5 according to planning path by powder leakage mouth 15；
Step 4: after powder leaks to 5 designated position of workbench according to planning path from powder leakage mouth 15, X-axis motor 21,
Y-axis motor 22 is quickly coated on workbench 5 according to the motion profile of powder leakage path clustering powder leakage mouth 15 and specifies rectangular range
Powder bed；The closing of valve 16 of powder leakage slot 14 after specified path is covered to powder leakage mouth 15, while the switch of tracheae 11 is closed, and is stopped
It is passed through gas；
Y-axis motor 22 drives powdering item 24 back to move in Y direction, and the powder bed of rectangular range will be specified to carry out secondary paving
It covers, plays the role of smooth and compacting, powdering path planning is completed；
Step 5: after the completion of powdering path planning, laser aid 6 carries out constituency to this layer of powder bed according to laser beam scan path
Fusing；After the completion of this layer of selective melting operation, moulding cylinder declines a molding layer height, repeats powdering path planning step, directly
It is fully shaped to only to part.
As described above, the utility model can be realized preferably.
The embodiments of the present invention is simultaneously not restricted to the described embodiments, other are any without departing from the utility model
Made changes, modifications, substitutions, combinations, simplifications under spiritual essence and principle, should be equivalent substitute mode, are included in
Within the protection scope of the utility model.
Claims (4)
1. a kind of more material molding machines based on metal 3D printing, including the control system for controlling the operation of metal 3D printer
System, the laser aid (6) for metal powder selective melting, molding room (4), moulding cylinder, powder storage device, power spreading device
(2)；It is characterized by:
The power spreading device (2) includes powdering item (24), the Y-axis screw rod guide rail (23) driven by y-axis motor (22), by X-axis electricity
The X-axis screw rod guide rail (26) of machine (21) driving；The powdering item (24) is mounted on Y-axis screw rod guide rail (23) by fixed plate (25)
On, drive it to move back and forth on workbench (5) along the track of Y-axis screw rod guide rail (23) by y-axis motor (22)；
The powder storage device uses the powder discharger (1) of powder leakage mode of movement；The powder discharger (1) includes powder leakage mouth (15)
With the powder leakage tank (12) of multiple storage unlike material powder；The powder leakage tank (12) is arranged above molding room, each powder leakage tank
(12) the powder connection of unlike material is collected to powder leakage mouth (15) by powder leakage pipe 13 respectively, and in each powder leakage pipe 13 and powder leakage
Valve (16) are set at the inlet slot (14) of mouth (15), by the aperture of control valve (16), optionally allow required material
Powder enter in powder leakage mouth (15)；
The powder leakage mouth (15) is mounted on X-axis screw rod guide rail (26), and powder leakage mouth (15) is mobile in the X-direction of workbench (5)
Track is driven by X-axis motor (21), and powder leakage mouth (15) is driven in the Y direction motion track of workbench (5) by y-axis motor (22)
It is dynamic.
2. more material molding machines based on metal 3D printing according to claim 1, it is characterised in that: the powder leakage mouth
(15) internal tapered funnel structure.
3. more material molding machines based on metal 3D printing according to claim 2, it is characterised in that: the powder leakage tank
(12) pass through tracheae (11) the connection protection gas source with switch.
4. more material molding machines based on metal 3D printing according to claim 3, it is characterised in that: on a left side for moulding cylinder
Side is equipped with powder collecting tank (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821172067.3U CN208853710U (en) | 2018-07-24 | 2018-07-24 | A kind of more material molding machines based on metal 3D printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821172067.3U CN208853710U (en) | 2018-07-24 | 2018-07-24 | A kind of more material molding machines based on metal 3D printing |
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| Publication Number | Publication Date |
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| CN208853710U true CN208853710U (en) | 2019-05-14 |
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ID=66413002
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907189A (en) * | 2018-07-24 | 2018-11-30 | 华南理工大学 | A kind of more material molding machines and method based on metal 3D printing |
| CN110280761A (en) * | 2019-07-02 | 2019-09-27 | 宁波哈勒姆电子科技有限公司 | A kind of metal powder 3D printer seal-moving device and its implementation method |
| CN110548874A (en) * | 2019-10-14 | 2019-12-10 | 中国工程物理研究院机械制造工艺研究所 | multi-material component integrated forming additive manufacturing device and method |
| CN115533131A (en) * | 2022-09-05 | 2022-12-30 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Metal 3D is shock absorber structure for printer |
-
2018
- 2018-07-24 CN CN201821172067.3U patent/CN208853710U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907189A (en) * | 2018-07-24 | 2018-11-30 | 华南理工大学 | A kind of more material molding machines and method based on metal 3D printing |
| CN108907189B (en) * | 2018-07-24 | 2024-02-20 | 华南理工大学 | Multi-material forming device and method based on metal 3D printing |
| CN110280761A (en) * | 2019-07-02 | 2019-09-27 | 宁波哈勒姆电子科技有限公司 | A kind of metal powder 3D printer seal-moving device and its implementation method |
| CN110548874A (en) * | 2019-10-14 | 2019-12-10 | 中国工程物理研究院机械制造工艺研究所 | multi-material component integrated forming additive manufacturing device and method |
| CN115533131A (en) * | 2022-09-05 | 2022-12-30 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Metal 3D is shock absorber structure for printer |
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Assignee: SHAOGUAN HUAYAN MACHINERY Co.,Ltd. Assignor: SOUTH CHINA University OF TECHNOLOGY Contract record no.: X2023980053316 Denomination of utility model: A Multi material Forming Device Based on Metal 3D Printing Granted publication date: 20190514 License type: Common License Record date: 20231221 |