CN207547628U - Power spreading device and 3D printing equipment - Google Patents
Power spreading device and 3D printing equipment Download PDFInfo
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- CN207547628U CN207547628U CN201721529692.4U CN201721529692U CN207547628U CN 207547628 U CN207547628 U CN 207547628U CN 201721529692 U CN201721529692 U CN 201721529692U CN 207547628 U CN207547628 U CN 207547628U
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Abstract
The utility model provides a kind of power spreading device and 3D printing equipment, the power spreading device presses metal powder for spreading, including be used to transmitting metal powder powder feeding mechanism, for receive metal powder and measure metal powder weight weigh assembly and powdering mechanism for taking powder from weigh assembly and being connect with powder feeding mechanism, weigh assembly includes the weighing sensor for receiving the receiving element of metal powder and being electrically connected on receiving element and with powder feeding mechanism.Power spreading device provided by the utility model and 3D printing equipment, the weigh assembly of metal powder weight is measured by setting, and the powder feeding process of powder feeding mechanism is controlled by the weighing sensor in weigh assembly, the power spreading device is made to realize quantitative powder, ensures being normally carried out for forming process.
Description
Technical field
The utility model belongs to 3D printing technique field, is to be related to a kind of power spreading device and including the paving more specifically
The 3D printing equipment of powder device.
Background technology
Electron beam constituency thawing (EBSM) technology is a kind of using high-power electron beam as processing heat source, selective melting metal powder
And make a kind of its molding metal parts straight forming technology.In 3D printing equipment, successively printed usually using EBSM technologies
Metal parts, wherein, the device for spreading the metal powder for pressing each layer is known as power spreading device.Existing power spreading device includes scraping
Board-like power spreading device, roll type power spreading device and mobile hopper-type power spreading device, above-mentioned three kinds of power spreading devices cannot quantify
Powder is taken, is easy to cause forming process interruption.
Utility model content
The purpose of this utility model is to provide a kind of power spreading device and 3D printing equipment, to solve to exist in the prior art
Power spreading device the technical issues of being unable to quantitative powder.
To achieve the above object, the technical solution adopted in the utility model is：A kind of power spreading device is provided, for spreading pressure gold
Belong to powder, including being used to transmitting the powder feeding mechanism of the metal powder, for receiving the metal powder and measure the metal
The weigh assembly of the weight of powder and for taking powder and the powdering machine being connect with the powder feeding mechanism from the weigh assembly
Structure, the weigh assembly include for receive the receiving element of the metal powder and on the receiving element and with it is described
The weighing sensor of powder feeding mechanism electrical connection.
Further, the receiving element is rotatablely connected with the powdering mechanism, and the receiving element includes described for receiving
Metal powder claims powder plate and the balance plate for matching conjunction powder with the powdering mechanism, and the weighing sensor is set on described
Claim on powder plate, the title powder plate is fixedly connected with the balance plate, and the weight of the balance plate is more than the weight for claiming powder plate
Amount.
Further, the title powder plate and the balance plate vertical connection.
Further, the powdering mechanism includes powdering motor and is connect with the powdering motor and be used to overturn described
The powdering axis of balance plate.
Further, the powdering mechanism further includes the powdering storehouse being tightly connected with the powder feeding mechanism, the receiving element
It is rotationally connected in the powdering storehouse.
Further, the outside in the powdering storehouse is equipped with the first vibrating motor for breaking the metal powder balance.
Further, the powder feeding mechanism include for store the metal powder powder-storage bin, with the powder-storage bin phase
The door of abutting and connect with the door and for moving the powder feeding motor of the door, the powder feeding motor with it is described
Weighing sensor is electrically connected.
Further, the powder feeding mechanism further includes transitional storehouse, and one end of the transitional storehouse is abutted against with the door, institute
The other end and the powdering mechanism for stating transitional storehouse are tightly connected.
Further, the outside of the powder-storage bin is equipped with the second vibrating motor for breaking the metal powder balance.
3D printing equipment provided by the utility model including substrate, further includes two power spreading devices, two pavings
Powder device is respectively arranged on the opposite sides of the substrate.
The advantageous effect of power spreading device provided by the utility model and 3D printing equipment is：Compared with prior art, originally
Utility model power spreading device measures the weigh assembly of metal powder weight by setting, and passes through the weighing and sensing in weigh assembly
Device controls the powder feeding process of powder feeding mechanism, and the power spreading device is made to realize quantitative powder, ensures being normally carried out for forming process.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing is briefly described needed in description, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure chart one of power spreading device that the utility model embodiment provides；
Fig. 2 is the structure chart two of power spreading device that the utility model embodiment provides；
Fig. 3 is the structure chart three of power spreading device that the utility model embodiment provides；
Fig. 4 is the partial enlarged view of A in Fig. 3；
Structure charts of the Fig. 5 for receiving element used by the utility model embodiment；
Structure charts of the Fig. 6 for powdering storehouse used by the utility model embodiment；
Fig. 7 is the part-structure figure of 3D printing device that the utility model embodiment provides；
Fig. 8 is the structure chart of 3D printing device that the utility model embodiment provides.
Wherein, each reference numeral in figure：
10- power spreading devices；1- powder feeding mechanisms；11- powder feeding motors；111- gears；12- doors；121- racks；13- stores up powder
Storehouse；14- transitional storehouses；The second vibrating motors of 15-；2- weigh assemblies；21- receiving elements；211- claims powder plate；212- balance plates；213-
Casing；3- powderings mechanism；31- powdering motors；32- powdering axis；33- powderings storehouse；331- powder delivery grooves；332- escape groove；34- is positioned
Set；The first vibrating motors of 35-；4- substrates.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and advantageous effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention is further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position
System is for only for ease of description the utility model and simplifies description rather than instruction or imply that signified device or element are necessary
With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature." multiple " are meant that two or two in the description of the present invention,
More than, unless otherwise specifically defined.
Also referring to Fig. 1 to Fig. 3, now power spreading device 10 provided by the utility model is illustrated.The power spreading device
10, metal powder is pressed for spreading, including powder feeding mechanism 1, weigh assembly 2 and powdering mechanism 3.Powder feeding mechanism 1 is used for metal powder
End is sent to weigh assembly 2, and weigh assembly 2 is used to receive metal powder and measures the weight of metal powder, and powdering mechanism 3 is used for
Powder is taken from weigh assembly 2, and the metal powder collected is transferred on substrate 4, substrate 4 is the forming area of metal powder.
Powdering mechanism 3 is connect with powder feeding mechanism 1, and preferably powdering mechanism 3 is tightly connected with powder feeding mechanism 1, can prevent metal powder from transmitting
During overflow.Weigh assembly 2 includes receiving element 21 and weighing sensor (not shown), and receiving element 21 is used to receive gold
Belong to powder, weighing sensor is for measuring the weight of received metal powder, and weighing sensor is electrically connected with powder feeding mechanism 1
It connects.A large amount of metal powders are stored in powder feeding mechanism 1, under the control of powder feeding mechanism 1, metal powder can fall to receiving element 21
On, weighing sensor measures the weight of metal powder.When the quality of metal powder is less than preset quality, weighing and sensing
Device sends out signal, and control powder feeding mechanism 1 continues powder feeding；When the quality of metal powder is more than or equal to preset quality
When, weighing sensor sends out signal, and control powder feeding mechanism 1 stops powder feeding.In this way, each layer of metal powder when realizing 3D printing
Quantitative control.
Power spreading device 10 provided by the utility model, compared with prior art, the utility model power spreading device 10 is by setting
The weigh assembly 2 for measuring metal powder weight is put, and sending for powder feeding mechanism 1 is controlled by the weighing sensor in weigh assembly 2
Powder process makes the power spreading device 10 realize quantitative powder, ensures being normally carried out for forming process.
Further, also referring to Fig. 2 to Fig. 5, one kind as power spreading device 10 provided by the utility model is specific
Embodiment, receiving element 21 are rotatablely connected with powdering mechanism 3, and receiving element 21 can be set on the inside of powdering mechanism 3.Receiving element 21 wraps
Include the title powder plate 211 being mutually permanently connected and balance plate 212.Claim powder plate 211 for receiving the metal powder transmitted from powder feeding mechanism 1
End, weighing sensor, which is set on, to be claimed on powder plate 211, can directly measure the quality for claiming all metal powders on powder plate 211.Balance plate
212 are used for powdering mechanism 3 with conjunction powder, and specifically, powdering mechanism 3 overturns balance plate 212, and balance plate 212, which drives, claims powder
Anti- overturning, then claim the metal powder on powder plate 211 directly to drop down onto on substrate 4.Meanwhile the quality of balance plate 212 is more than title powder plate
211 quality.In nature, the weight for claiming powder plate 211 is more than by the quality for setting balance plate 212, makes title powder plate 211
Horizontality is kept, convenient for receiving the metal powder to fall from powder feeding mechanism 1；When reception metal powder quality with setting in advance
When fixed identical in quality, powdering mechanism 3 overturns title powder plate 211 by balance plate 212, and the metal powder on powder plate 211 is claimed to fall
It drops down onto on substrate 4, and is paved the metal powder on substrate 4 by powdering mechanism 3, complete wherein one layer during 3D printing of powdering behaviour
Make.Meanwhile powder plate 211 is claimed to restore to equilibrium state, prepare to receive another layer of metal powder.Claim powder plate 211 and balance plate 212
Setting, not only realized and weighed to metal powder, but also powder is taken convenient for power spreading device 10.
Further, referring to Fig. 5, a kind of specific embodiment as power spreading device 10 provided by the utility model,
Claim powder plate 211 and 212 vertical connection of balance plate, manufacture easy to process.Claim the counterweight of powder plate 211 and balance by calculating so that
Claiming powder plate 211, balance plate 212 keeps vertical in the state of keeping horizontal.Specifically, receiving element 21 is L-shaped, and claims powder plate
211 and balance plate 212 can be integrally formed.Preferably, claim powder plate 211 identical with the material of balance plate 212, manufacture easy to process.
Since the quality for claiming powder plate 211 is less than the quality of balance plate 212, so claiming powder plate 211 identical with the length of balance plate 212, claim
The width of powder plate 211 is less than the width of balance plate 212.When balance plate 212 is wider, it is more convenient for coordinating overturning with powdering mechanism 3.
Further, Fig. 2 to Fig. 4 is please referred to, a kind of specific implementation as power spreading device 10 provided by the utility model
Mode, powdering mechanism 3 include powdering motor 31 and powdering axis 32.Assuming that the length direction of substrate 4 is X-direction, powdering axis 32
Length direction is Y-direction.Powdering motor 31 is used to control the movement of powdering axis 32 in the X direction, powdering axis 32 and powdering motor
31 connections, and powdering axis 32 can be used for overturning balance plate 212.Specifically, powdering axis 32 is set on the lower section for claiming powder plate 211, and spreads
The length direction of powder axis 32 is identical with the length direction of receiving element 21, is set along Y-direction.Metal powder on title powder plate 211
When the quality at end is more than preset quality, powdering motor 31 controls powdering axis 32 to be moved towards balance plate 212, makes balance plate
212 overturn and title powder plate 211 are driven to overturn, and after the metal powder on powder plate 211 is claimed to fall on substrate 4, then pass through powdering electricity
Machine 31 controls powdering axis 32 to be moved backwards to balance plate 212, and will fall off uniform to the powder paving pressure on substrate 4.
Further, it please refers to Fig.1 and Fig. 6, a kind of specific implementation as power spreading device 10 provided by the utility model
Mode, powdering mechanism 3 further include powdering storehouse 33, and powdering storehouse 33 is tightly connected with powder feeding mechanism 1, under preventing from powder feeding mechanism 1
The metal powder fallen splashes out.Receiving element 21 is set in powdering storehouse 33, and is rotatablely connected with powdering storehouse 33.Specifically, claim powder plate 211
It is rotatablely connected with the junction of balance plate 212 with powdering storehouse 33.The junction of powder plate 211 and balance plate 212 is claimed to be equipped with casing
213, central shaft (not shown) is further included on power spreading device 10, and casing 213 is sheathed on central shaft, and the both ends of central shaft are consolidated
Surely it is connected on powdering storehouse 33, makes receiving element 21 that can be rotated around powdering storehouse 33.Further, the both ends of central tube are additionally provided with anti-
The positioning sleeve 34 that only receiving element 21 moves in the Y direction, the end of central tube are inserted in one end of positioning pipe, positioning pipe it is another
Powdering storehouse 33 is fixed at end.Powdering storehouse 33 is covered on substrate 4, and the top in powdering storehouse 33 is tightly connected with powder feeding mechanism 1.Tool
Body, the top in powdering storehouse 33 offers the powder delivery groove 331 stretched into for powder feeding mechanism 1.Powdering storehouse 33 is close to 4 side of substrate simultaneously
Offer the escape groove 332 moved for powdering axis 32.
Further, Fig. 2 to Fig. 4 is please referred to, a kind of specific implementation as power spreading device 10 provided by the utility model
Mode, the outside in powdering storehouse 33 are equipped with the first vibrating motor 35 for breaking metal powder balance.First vibrating motor 35
Setting can break the equilibrium state of the metal powder at the powder delivery groove 331 in powdering storehouse 33 so that metal powder is easier to fall to
On receiving element 21.In addition, the first vibrating motor 35 can will vibrate the metal powder heap reached on substrate 4, it is dispersed as the metal of knot
Powder, convenient for 32 powdering of powdering axis.
Further, it please refers to Fig.1 to Fig.3, a kind of specific implementation as power spreading device 10 provided by the utility model
Mode, powder feeding mechanism 1 include powder-storage bin 13, door 12 and powder feeding motor 11.Powder-storage bin 13 is used to store metal powder, Chu Fen
Storehouse 13 is preferably infundibulate, and upper end opening is used for into powder, and lower ending opening is used for out powder.Door 12 is abutted against with powder-storage bin 13, tool
Body, door 12 is connected to the lower ending opening of powder-storage bin 13.Powder feeding motor 11 is connected with door 12, can control the shifting of door 12
It is dynamic, to open and close the lower ending opening of powder-storage bin 13.Meanwhile powder feeding motor 11 is electrically connected with weighing sensor.When powder feeding machine
During 1 powder feeding of structure, door 12 is controlled to move by powder feeding motor 11, open powder-storage bin 13, metal powder is under gravity
Fall on receiving element 21, when the quality of the metal powder on receiving element 21 reaches preset quality, weighing sensor to
Powder feeding motor 11 sends out signal, and powder feeding motor 11 controls the movement of door 12 to close powder-storage bin 13.Specifically, powder feeding motor 11
Output shaft is fixedly connected with gear 111, and door 12 is equipped with the rack 121 coordinated with gear 111.Powder feeding motor 11 passes through tooth
The movement of the mutual cooperation control door 12 of wheel 111 and rack 121, this kind of kind of drive make the movement of door 12 more steady.
Further, please continue to refer to Fig. 1 to Fig. 3, one kind as power spreading device 10 provided by the utility model is specific
Embodiment, powder feeding mechanism 1 further include transitional storehouse 14, and one end and the door 12 of transitional storehouse 14 abut against, transitional storehouse 14 it is another
End is tightly connected with powdering mechanism 3.Specifically, the upper end of transitional storehouse 14 is abutted against with door 12, and the lower end of transitional storehouse 14 passes through
Powder delivery groove 331 is simultaneously stretched into powdering storehouse 33, and transitional storehouse 14 is tightly connected with powdering storehouse 33.The setting of transitional storehouse 14 makes metal powder
Whereabouts evenly, and metal powder can be avoided to lump.It is preferred that the width of transitional storehouse 14 is less than the width of powder-storage bin 13, under can making
Being more evenly distributed in the Y direction of the metal powder on receiving element 21 is dropped down onto, during so as to powdering 32 powdering of axis, metal powder is in base
Distribution on plate 4 is also evenly.
Further, please continue to refer to Fig. 2, a kind of specific embodiment party as power spreading device 10 provided by the utility model
Formula, the outside of powder-storage bin 13 are equipped with the second vibrating motor 15 for breaking metal powder balance.Second vibrating motor 15 is set
Putting vibrates powder-storage bin 13, breaks the equilibrium state of the metal powder in powder-storage bin 13, and can destroy 13 lower ending opening of powder-storage bin
The metal powder knotting state at place, makes metal powder smoothly fall.
Please refer to Fig. 7 and Fig. 8, the utility model also provides a kind of 3D printing equipment, the 3D printing equipment include substrate 4,
The power spreading device 10 in two any of the above-described embodiments is further included, two power spreading devices 10 are respectively arranged on the opposite sides of substrate 4.
Specifically, two power spreading devices 10 be respectively arranged on substrate 4 in X direction on opposite sides.Two power spreading devices 10 are respectively from base
On the one hand the both ends of plate 4 make powdering evenly, on the other hand improve the working efficiency of the 3D printing equipment to intermediate powdering.
3D printing equipment provided by the utility model employs the power spreading device 10 in any of the above-described embodiment, and passes through
Setting measures the weigh assembly 2 of metal powder weight, and controls powder feeding mechanism 1 by the weighing sensor in weigh assembly 2
Powder feeding process makes the power spreading device 10 realize quantitative powder, ensures being normally carried out for forming process.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. power spreading device presses metal powder for spreading, it is characterised in that：Powder feeding machine including being used to transmit the metal powder
Structure, for receive the metal powder and measure the metal powder weight weigh assembly and for weighing from described
Component takes powder and the powdering mechanism being connect with the powder feeding mechanism, and the weigh assembly includes receiving the metal powder
Receiving element and the weighing sensor being electrically connected on the receiving element and with the powder feeding mechanism.
2. power spreading device as described in claim 1, it is characterised in that：The receiving element is rotatablely connected with the powdering mechanism,
The receiving element is including the title powder plate for receiving the metal powder and for flat with conjunction powder with the powdering mechanism
Weigh plate, and the weighing sensor is set on the title powder plate, and the title powder plate is fixedly connected, and the balance with the balance plate
The weight of plate is more than the weight for claiming powder plate.
3. power spreading device as claimed in claim 2, it is characterised in that：The title powder plate and the balance plate vertical connection.
4. power spreading device as claimed in claim 2, it is characterised in that：The powdering mechanism include powdering motor and with it is described
Powdering motor connects and the powdering axis for overturning the balance plate.
5. power spreading device as claimed in claim 2, it is characterised in that：The powdering mechanism further includes close with the powder feeding mechanism
The powdering storehouse of connection is sealed, the receiving element is rotationally connected in the powdering storehouse.
6. power spreading device as claimed in claim 5, it is characterised in that：The outside in the powdering storehouse is equipped with to break the gold
Belong to the first vibrating motor of powder balance.
7. such as claim 1-6 any one of them power spreading devices, it is characterised in that：The powder feeding mechanism is included for storing
It states the powder-storage bin of metal powder, the door abutted against with the powder-storage bin and is connect with the door and for described in mobile
The powder feeding motor of door, the powder feeding motor are electrically connected with the weighing sensor.
8. power spreading device as claimed in claim 7, it is characterised in that：The powder feeding mechanism further includes transitional storehouse, the transition
The one end in storehouse is abutted against with the door, and the other end of the transitional storehouse is tightly connected with the powdering mechanism.
9. power spreading device as claimed in claim 7, it is characterised in that：The outside of the powder-storage bin is equipped with to break the gold
Belong to the second vibrating motor of powder balance.
10.3D printing device, it is characterised in that：Including substrate, two such as claim 1-9 any one of them powderings are further included
Device, two power spreading devices are respectively arranged on the opposite sides of the substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721529692.4U CN207547628U (en) | 2017-11-14 | 2017-11-14 | Power spreading device and 3D printing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721529692.4U CN207547628U (en) | 2017-11-14 | 2017-11-14 | Power spreading device and 3D printing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207547628U true CN207547628U (en) | 2018-06-29 |
Family
ID=62679196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721529692.4U Active CN207547628U (en) | 2017-11-14 | 2017-11-14 | Power spreading device and 3D printing equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN207547628U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107774998A (en) * | 2017-11-14 | 2018-03-09 | 深圳市圆梦精密技术研究院 | Power spreading device and 3D printing equipment |
| CN114603162A (en) * | 2022-03-15 | 2022-06-10 | 浙江机电职业技术学院 | Metal powder paving system applied to 3D double-laser metal printer |
-
2017
- 2017-11-14 CN CN201721529692.4U patent/CN207547628U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107774998A (en) * | 2017-11-14 | 2018-03-09 | 深圳市圆梦精密技术研究院 | Power spreading device and 3D printing equipment |
| CN114603162A (en) * | 2022-03-15 | 2022-06-10 | 浙江机电职业技术学院 | Metal powder paving system applied to 3D double-laser metal printer |
| CN114603162B (en) * | 2022-03-15 | 2023-10-13 | 浙江机电职业技术学院 | Metal powder paving system applied to 3D double-laser metal printer |
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