CN205763852U - For manufacturing three-dimensional body equipment and power spreading device thereof - Google Patents
For manufacturing three-dimensional body equipment and power spreading device thereof Download PDFInfo
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- CN205763852U CN205763852U CN201620628427.0U CN201620628427U CN205763852U CN 205763852 U CN205763852 U CN 205763852U CN 201620628427 U CN201620628427 U CN 201620628427U CN 205763852 U CN205763852 U CN 205763852U
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- scraper
- hobboing cutter
- spreading device
- power spreading
- powder
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Abstract
nullA kind of equipment for manufacturing three-dimensional body and power spreading device thereof，Wherein power spreading device includes frame、Scraper fixed mechanism、Scraper、The drive mechanism that hobboing cutter and drive hobboing cutter are rotated，The top of frame is provided with powder delivery groove，Scraper is arranged in frame by scraper fixed mechanism，Hobboing cutter is arranged in frame，And hobboing cutter and scraper lay respectively at the both sides of powder delivery groove，So that the powder sent into by powder delivery groove is fallen in the middle of hobboing cutter and scraper，The bottom of hobboing cutter is substantially parallel with sintering plane，The distance of the distance from bottom sintering plane of scraper is a thickness，Drive mechanism of the present utility model can drive hobboing cutter to rotate，Thus the warpage mill off that will produce due to stress deformation，And then have modified the profile of sintered surface buckling deformation，The powder sent into by powder delivery groove is paved by scraper more subsequently，Whole technique just can realize once spreading in powder.Therefore, this utility model improves sintering product precision for the equipment and power spreading device thereof manufacturing three-dimensional body.
Description
Technical field
This utility model belongs to increasing material and manufactures field, is specifically related to a kind of for manufacturing three-dimensional body equipment and paving powder dress thereof
Put.
Background technology
Increase material manufacturing technology (Additive Manufacturing, be called for short AM) to be one there is Digitized manufacturing, highly
The advanced manufacturing technology of the distinguishing features such as flexibility and adaptability, direct cad model drive, quick, material type is rich and varied, from
Later 1980s is developed so far, and oneself becomes a mainstay in modern advanced manufacturing technique.Precinct laser melts
Change technology (Selective Laser Melting is called for short SLM) is that development in recent years increases one of material manufacturing technology rapidly, its
With dusty material as raw material, laser is used the cross section of 3D solid successively to be scanned raw basin, not by part shape
The restriction of shape complexity, it is not necessary to any moulds of industrial equipment, applied range.The basic process of precinct laser fusion technique
It is: a certain amount of powder is delivered to work top by dust feeder that it is molded that one layer of dusty material is laid in moulding cylinder by power spreading device
The upper surface of part, galvanometer controls laser instrument and is scanned solid section powder bed according to the cross section profile of this layer, makes powder
Temperature rise to melting point, powder smelting sintering also realizes bonding with following in type part；After a layer cross section has sintered,
Workbench declines the thickness of a layer, and power spreading device, again at the powder uniformly densely of layer overlay above, carries out a new layer cross section
Scanning sintering, if through dried layer scan superposition, until completing whole 3D solid manufacture.
At present, laser, when carrying out cross section profile sintering, especially sintering the edge of cross section profile, usually can be answered due to heat
Power affects so that the cross section profile of sintering exists the phenomenon of warpage, so adding up along with the number of plies, and buckling deformation also can exist tired
Long-pending effect, thus leverage the overall precision of sintering product；On the other hand, next layer of paving is carried out when the scraper of power spreading device
During powder, scraper can contact with warpage, thus significantly hinders the paving powder motion of scraper, seriously even causes swaging clamp, and then
The whole work causing system stops.
Utility model content
The above-mentioned technical problem existed for prior art, this utility model provides one and ensure that the reliable work of system
Make, and improve part accuracy be used for manufacture three-dimensional body equipment and power spreading device thereof.
For solve above-mentioned technical problem, this utility model by the following technical solutions:
A kind of power spreading device for manufacturing three-dimensional body, including frame, scraper fixed mechanism, scraper, hobboing cutter and band
The drive mechanism that dynamic hobboing cutter is rotated, the top of described frame is provided with powder delivery groove, and described scraper fixes machine by scraper
Structure is arranged in frame, and described hobboing cutter is arranged in frame, and hobboing cutter and scraper lay respectively at the both sides of powder delivery groove, so that passing through
The powder that powder delivery groove is sent into falls in the middle of hobboing cutter and scraper, and the bottom of described hobboing cutter is substantially parallel with sintering plane, described scraper
Distance from bottom sintering plane distance be a thickness.
As further preferred scheme of the present utility model, described scraper fixed mechanism includes scraper base and pressing plate, described
Scraper base is arranged in frame, and described scraper is arranged on scraper base by pressing plate.
As further preferred scheme of the present utility model, the material of described scraper is pottery, and is shaped as flat.
As further preferred scheme of the present utility model, described frame includes a transverse slat and is arranged on transverse slat side
One riser, described powder delivery groove is arranged on the middle part of transverse slat, described riser be provided with the rotating shaft for inserting drive mechanism one lead to
Hole.
As further preferred scheme of the present utility model, described powder delivery groove is strip, and the length of powder delivery groove is equal to
The length of scraper.
As further preferred scheme of the present utility model, described device also includes shaft coupling, bearing, bearing block and bearing
Gland, described hobboing cutter is set in rotating shaft, described in be arranged with hobboing cutter one end of rotating shaft described bearing is installed, be arranged with hobboing cutter
The other end of rotating shaft after described bearing is installed, be connected with the rotating shaft of drive mechanism by shaft coupling, and described bearing lead to
Cross bearing gland to be arranged in bearing block.
As further preferred scheme of the present utility model, described drive mechanism is servomotor.
This utility model additionally provides a kind of equipment for manufacturing three-dimensional body, including described in any of the above-described item for
Manufacture the power spreading device of three-dimensional body.
Power spreading device for manufacturing three-dimensional body of the present utility model, by including frame, scraper fixed mechanism, scraping
The drive mechanism that cutter, hobboing cutter and drive hobboing cutter are rotated, the top of described frame is provided with powder delivery groove, and described scraper leads to
Crossing scraper fixed mechanism to be arranged in frame, described hobboing cutter is arranged in frame, and hobboing cutter and scraper lay respectively at powder delivery groove
Both sides, so that the powder sent into by powder delivery groove falls in the middle of hobboing cutter and scraper, the bottom of described hobboing cutter is basic with sintering plane
Parallel, the distance of the distance from bottom sintering plane of described scraper is a thickness so that power spreading device of the present utility model is in work
When making, drive mechanism can drive hobboing cutter to rotate, thus warpage (especially the sintering edge) milling that will produce due to stress deformation
Falling, and then have modified the profile of sintered surface buckling deformation, the powder sent into by powder delivery groove is paved by scraper more subsequently, whole
Technique just can realize once spreading in powder.Therefore, power spreading device of the present utility model not only achieves paving powder function, also improves
The precision of sintering product, and apparatus structure is simple, easy and simple to handle.
Equipment for manufacturing three-dimensional body of the present utility model, by including the above-mentioned paving powder for manufacturing three-dimensional body
Device so that operationally, drive mechanism can drive hobboing cutter to rotate to power spreading device of the present utility model, thus will be due to stress
Warpage (especially the sintering edge) mill off that deformation produces, and then have modified the profile of sintered surface buckling deformation, scraper subsequently
Being paved by the powder sent into by powder delivery groove, whole technique just can realize once spreading in powder again.Therefore, of the present utility model set
Standby not only achieving spreads powder function, also improves the precision of sintering product, and device structure is simple, easy and simple to handle.
Accompanying drawing explanation
The use status architecture of the embodiment that Fig. 1 provides for the power spreading device manufacturing three-dimensional body for this utility model
Figure；
The structure chart of the embodiment that Fig. 2 provides for the power spreading device manufacturing three-dimensional body for this utility model；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the B-B sectional view of Fig. 3；
Fig. 5 is the exploded view of Fig. 2.
In figure, parts labelling is as follows:
1, powder feeding funnel；2, power spreading device；3, sintering plane；21, frame, 22, scraper fixed mechanism；23, hobboing cutter；24、
Shaft coupling；25, drive mechanism；26, bearing gland；27, bearing；28, bearing block；29, scraper base；30, scraper；31, pressing plate；
211, powder delivery groove.
Detailed description of the invention
In order to allow those skilled in the art be more fully understood that and realize the technical solution of the utility model, below with reference to
Figure of description and specific embodiment are described in further details.
As shown in Figures 2 to 5, the power spreading device for manufacturing three-dimensional body include frame 21, scraper 30 fixed mechanism 22,
The drive mechanism 25 that scraper 30, hobboing cutter 23 and drive hobboing cutter 23 are rotated, the top of described frame 21 is provided with powder feeding
Groove 211, described scraper 30 is arranged in frame 21 by scraper 30 fixed mechanism 22, and described hobboing cutter 23 is arranged in frame 21,
And hobboing cutter 23 and scraper 30 lay respectively at the both sides of powder delivery groove 211, so that the powder sent into by powder delivery groove 211 falls into hobboing cutter 23
In the middle of scraper 30, the bottom of described hobboing cutter 23 is substantially parallel with sintering plane 3, the distance from bottom sintering plane of described scraper 30
The distance of 3 is a thickness, and in being embodied as, described drive mechanism 25 can be servomotor, certainly can also drive for other
Equipment, does not enumerates at this.It should be noted that at this, the sintering plane 3 mentioned in this utility model is for the most smooth
Horizontal operation plane, the most under ideal conditions, sintering plane 3 will not be owing to producing the plane of warpage because of stress.
Described scraper 30 fixed mechanism 22 includes that scraper base 29 and pressing plate 31, described scraper base 29 are arranged in frame 21,
And described scraper 30 is arranged on scraper base 29 by pressing plate 31.In being embodied as, the material of described scraper 30 is pottery, and shape
Shape is flat.
Described frame 21 includes a transverse slat and is arranged on a riser of transverse slat side, and described powder delivery groove 211 is arranged on horizontal stroke
The middle part of plate, described riser is provided with a through hole of the rotating shaft for inserting drive mechanism 25.In being embodied as, described powder delivery groove
211 is strip, and the length of powder delivery groove 211 is equal to the length of scraper 30.
Described device also includes that shaft coupling 24, bearing 27, bearing block 28 and bearing gland 26, described hobboing cutter 23 are set in and turns
On axle, described in be arranged with hobboing cutter 23 one end of rotating shaft described bearing 27 is installed, be arranged with the other end of the rotating shaft of hobboing cutter 23
After described bearing 27 is installed, it is connected by the rotating shaft of shaft coupling 24 with drive mechanism 25, and described bearing 27 passes through bearing
Gland 26 is arranged in bearing block 28.
It should be noted that at this, this utility model may be provided at slide block for the power spreading device manufacturing three-dimensional body, sliding
Block is carried out left and right back and forth movement by driver drives on working face, and then drives power spreading device to carry out a left side on working face
Right back and forth movement, to realize paving powder, owing to this belongs to techniques known, does not therefore do its particular content at this in detail
Illustrate.
Following for allowing those skilled in the art be more fully understood that and realizing the technical solution of the utility model, knot below
Close Fig. 1 and describe operation principle of the present utility model in detail.
The use status architecture of the embodiment that Fig. 1 provides for the power spreading device manufacturing three-dimensional body for this utility model
Figure, as it is shown in figure 1, powder feeding funnel 1 internal memory contains the powder of sintering product, the powder feeding funnel 1 powder delivery groove by power spreading device 2
Powder is sent into by 211, and now powder fairly falls between hobboing cutter 23 and scraper 30, when power spreading device 2 is started working first, and paving
Powder device 2 is positioned at the side (such as left side) of workbench, and when power spreading device 2 moves from left to right, powder is then put down by scraper 30
Being taped against working face, owing to this is to spread powder, not sintering product first, therefore this time power spreading device 2 only followed by hobboing cutter 23
Move from left to right, and after this layer of paving powder completes, galvanometer controls the laser instrument cross section profile according to this layer to solid section powder
Last layer is scanned, and when this layer cross section scanning sintering completes, power spreading device 2 moves from right to left, and powder feeding funnel 1 is further through paving
Powder is sent between hobboing cutter 23 and scraper 30 by the powder delivery groove 211 of powder device 2, and power spreading device 2 moves the most from left to right, now
Hobboing cutter 23 near sintering plane 3 is rotated under the driving of servomotor, and in motor process, the hobboing cutter 23 of rotation is just
The warpage mill off that the surface sintering plane 3 can be produced；And scraper 30 also can be understood powder is equal under the motion of power spreading device 2
Even being laid in sinters in plane 3, and after this layer of paving powder completes, galvanometer controls the laser instrument cross section profile according to this layer to reality
Heart amount of powder layer is scanned, and when this layer cross section scanning sintering completes, power spreading device 2 moves from right to left ... on repeating
State operating procedure, until product has sintered.
It should be noted that at this, what above operation principle only described is a kind of implementation, owing to this utility model is protected
Protect is the structure of the power spreading device for manufacturing three-dimensional body, therefore for the three-dimensional body described in above-mentioned operation principle
Manufacture control method and do not do any restriction.
This utility model additionally provides a kind of equipment for manufacturing three-dimensional body, including described in any of the above-described item for
Manufacture the power spreading device of three-dimensional body.
Above example is only preferred implementation of the present utility model, and protection domain of the present utility model also not only limits to
In above-described embodiment, all technical schemes belonged under this utility model thinking all should belong to protection domain of the present utility model.Should
When pointing out, without departing from the some amendments under this utility model principle premise and modification, should be regarded as protection model of the present utility model
Enclose.
Claims (8)
1. the power spreading device being used for manufacturing three-dimensional body, it is characterised in that include frame, scraper fixed mechanism, scraper, rolling
The drive mechanism that cutter and drive hobboing cutter are rotated, the top of described frame is provided with powder delivery groove, and described scraper is by scraping
Cutter fixed mechanism is arranged in frame, and described hobboing cutter is arranged in frame, and hobboing cutter and scraper lay respectively at the both sides of powder delivery groove,
So that the powder sent into by powder delivery groove falls in the middle of hobboing cutter and scraper, the bottom of described hobboing cutter is substantially parallel with sintering plane,
The distance of the distance from bottom sintering plane of described scraper is a thickness.
Power spreading device the most according to claim 1, it is characterised in that described scraper fixed mechanism includes scraper base and pressure
Plate, described scraper base is arranged in frame, and described scraper is arranged on scraper base by pressing plate.
Power spreading device the most according to claim 2, it is characterised in that the material of described scraper is pottery, and is shaped as flat
Flat-shaped.
Power spreading device the most according to claim 1, it is characterised in that described frame includes a transverse slat and is arranged on transverse slat
One riser of side, described powder delivery groove is arranged on the middle part of transverse slat, and described riser is provided with the rotating shaft for inserting drive mechanism
A through hole.
Power spreading device the most according to claim 4, it is characterised in that described powder delivery groove is strip, and the length of powder delivery groove
Degree is equal to the length of scraper.
6. according to the power spreading device described in claim 3 or 5, it is characterised in that described device also includes shaft coupling, bearing, axle
Bearing and bearing gland, described hobboing cutter is set in rotating shaft, described in be arranged with hobboing cutter one end of rotating shaft described bearing is installed,
It is arranged with the other end of rotating shaft of hobboing cutter after described bearing is installed, is connected with the rotating shaft of drive mechanism by shaft coupling, and
Described bearing is arranged in bearing block by bearing gland.
Power spreading device the most according to claim 6, it is characterised in that described drive mechanism is servomotor.
8. one kind for manufacturing the equipment of three-dimensional body, it is characterised in that include described in any one of claim 1 to 7 for
Manufacture the power spreading device of three-dimensional body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620628427.0U CN205763852U (en) | 2016-06-23 | 2016-06-23 | For manufacturing three-dimensional body equipment and power spreading device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620628427.0U CN205763852U (en) | 2016-06-23 | 2016-06-23 | For manufacturing three-dimensional body equipment and power spreading device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205763852U true CN205763852U (en) | 2016-12-07 |
Family
ID=58131116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620628427.0U Active CN205763852U (en) | 2016-06-23 | 2016-06-23 | For manufacturing three-dimensional body equipment and power spreading device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205763852U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107486557A (en) * | 2017-06-26 | 2017-12-19 | 西安铂力特激光成形技术有限公司 | A kind of doctor blade device |
| CN114985774A (en) * | 2022-07-08 | 2022-09-02 | 苏州中科煜宸激光智能科技有限公司 | Powder supply device for compact SLM printer |
| CN117182116A (en) * | 2023-09-14 | 2023-12-08 | 中国矿业大学 | Ultrasonic rolling and powder spreading integrated device for additive manufacturing |
-
2016
- 2016-06-23 CN CN201620628427.0U patent/CN205763852U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107486557A (en) * | 2017-06-26 | 2017-12-19 | 西安铂力特激光成形技术有限公司 | A kind of doctor blade device |
| CN114985774A (en) * | 2022-07-08 | 2022-09-02 | 苏州中科煜宸激光智能科技有限公司 | Powder supply device for compact SLM printer |
| CN117182116A (en) * | 2023-09-14 | 2023-12-08 | 中国矿业大学 | Ultrasonic rolling and powder spreading integrated device for additive manufacturing |
| CN117182116B (en) * | 2023-09-14 | 2024-05-24 | 中国矿业大学 | Bidirectional ultrasonic rolling, powder spreading and compacting integrated device for additive manufacturing |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
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. |