CN103706794B - For powder feeding device and the 3 D-printing system of 3 D-printing system - Google Patents
For powder feeding device and the 3 D-printing system of 3 D-printing system Download PDFInfo
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- CN103706794B CN103706794B CN201410006741.0A CN201410006741A CN103706794B CN 103706794 B CN103706794 B CN 103706794B CN 201410006741 A CN201410006741 A CN 201410006741A CN 103706794 B CN103706794 B CN 103706794B
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Abstract
The invention discloses a kind of powder feeding device and the 3 D-printing system with described powder feeding device.Described powder feeding device comprises: powder storage case, has container cavity in powder storage case, and powder storage case is provided with the discharging opening be communicated with container cavity; Oscillating plate, oscillating plate is located at the below of discharging opening and relative with discharging opening to receive the powder flowed out from discharging opening; Vibration source, vibration source is connected with oscillating plate to drive vibration plate vibrates; Powder receiving magazine, has the splicing chamber of open upper end in powder receiving magazine, powder receiving magazine is located at the below of oscillating plate movably between filling position and discharge position, relatively with oscillating plate in filling position splicing chamber to shake the powder fallen to receive from oscillating plate; And actuator, actuator is connected with powder receiving magazine to drive powder receiving magazine to move between filling position and discharge position.According to the powder feeding device of the embodiment of the present invention have powder feeding effectively, the advantage such as stable.
Description
Technical field
The present invention relates to a kind of powder feeding device for 3 D-printing system, also relate to a kind of 3 D-printing system with described powder feeding device.
Background technology
Utilizing laser or electron beam scanning to solidify preset powder bed, successively manufacturing the three-dimensional printing technology of three-dimensional body is a kind of novel manufacturing technology.Typical 3 D-printing technique has selective laser to melt and electron beam selective melting, its basic processing step comprises: powder supplies with pave system by dusty material at workbench upper berth generate thin layer, then laser or electron beam move on powder, selective sintering or melting powder material.Above step constantly repeats until whole three-dimensional body manufacture completes.Therefore, the stable supplying of dusty material is very important, and can be directly connected to shaping complete smoothly.
The working environment of powder feed system is very severe: temperature is high, and form evaporation layer in system surfaces after material evaporation, condensation, powder particle can enter the narrow slit of system.Existing powder feed system comprises other movable members such as axle, hinge usually, and these parts are easily stuck thus function is affected.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, one object of the present invention is to propose a kind of powder feeding device for 3 D-printing system.
Another object of the present invention is that proposition is a kind of and has the described 3 D-printing system for the powder feeding device of 3 D-printing system.
To achieve these goals, embodiment according to a first aspect of the present invention proposes a kind of powder feeding device for 3 D-printing system, the described powder feeding device for 3 D-printing system comprises: powder storage case, have container cavity in described powder storage case, described powder storage case is provided with the discharging opening be communicated with described container cavity; Oscillating plate, described oscillating plate is located at the below of described discharging opening and relative with described discharging opening to receive the powder flowed out from described discharging opening; Vibration source, described vibration source is connected with described oscillating plate to drive described vibration plate vibrates; Powder receiving magazine, there is in described powder receiving magazine the splicing chamber of open upper end, described powder receiving magazine is located at the below of described oscillating plate movably between filling position and discharge position, and wherein described in described filling position, splicing chamber is relative with described oscillating plate to shake the powder fallen to receive from described oscillating plate; And actuator, described actuator is connected with described powder receiving magazine to drive described powder receiving magazine to move between described filling position and described discharge position.
According to the powder feeding device for 3 D-printing system of the embodiment of the present invention by arranging the oscillating plate being positioned at the below of described discharging opening and the vibration source be connected with described oscillating plate, thus can effectively, stably to the workbench conveying powder of 3 D-printing system.Therefore, according to the powder feeding device for 3 D-printing system of the embodiment of the present invention have powder feeding effectively, the advantage such as stable.
In addition, following additional technical characteristic can also be had according to the powder feeding device for 3 D-printing system of the embodiment of the present invention:
According to one embodiment of present invention, the open at its lower end of described container cavity and described powder storage case is located on the upper surface of described oscillating plate, limits described discharging opening between the first side plate of wherein said powder storage case and described oscillating plate.The structure of described powder storage case not only can be made thus more simple, and the structure of described powder feeding device is more reasonable, and powder can be made more stably to flow on described oscillating plate, and can utilize the powder in described container cavity fully.
According to one embodiment of present invention, second side plate of described powder storage case comprises vertical portion and rake, the upper edge of described rake is connected with the lower edge of described vertical portion, described rake extends internally downwards from described vertical portion, and the second side plate of wherein said powder storage case is relative with the first side plate of described powder storage case.By making the bottom of second side plate relative with described discharging opening (described rake) be obliquely installed, the powder in described container cavity can be made to flow out described container cavity from described discharging opening more easily, rapidly.
According to one embodiment of present invention, the described powder feeding device for 3 D-printing system also comprises baffle plate, to change the size of described discharging opening on the first side plate that described baffle plate can be located at described powder storage case up or down.
By arranging baffle plate moving up and down on the first side plate of described powder storage case, thus not only can change the distance that powder flows out from described discharging opening, and the delivery rate of powder can be changed, therefore by regulating the height of described baffle plate (namely by moving described baffle plate in the vertical direction), the powder feeding speed required for various types of powder can be obtained.
According to one embodiment of present invention, the described powder feeding device for 3 D-printing system also comprises installing plate, and described installing plate is located on described powder storage case, and described vibration source is arranged on described installing plate.Can install described vibration source more easily, easily thus, and described vibration source can be made to install more firm.
According to one embodiment of present invention, described 3 D-printing system comprises workbench, and described workbench is positioned at the below of described powder receiving magazine to receive the powder poured out from described splicing chamber.
According to one embodiment of present invention, the described powder feeding device for 3 D-printing system also comprises LOAD CELLS, described powder receiving magazine is located at movably on described LOAD CELLS between described filling position and described discharge position, to measure the weight of the powder in described splicing chamber.By being arranged on described LOAD CELLS by described powder receiving magazine, thus described powder feeding device can be utilized to supply the powder of predetermined weight.
According to one embodiment of present invention, the described powder feeding device for 3 D-printing system also comprises: support member, described support member is located on the upper surface of described workbench, one end of described LOAD CELLS is located on described support member, described LOAD CELLS and described workbench spaced apart in the vertical direction; And weighing platform, described weighing platform is located on the other end of described LOAD CELLS, and described powder receiving magazine is located at movably on described weighing platform between described filling position and described discharge position.The structure of described powder feeding device can be made thus more reasonable.
According to one embodiment of present invention, the described powder feeding device for 3 D-printing system also comprises controller, and described controller is connected with described LOAD CELLS, described vibration source and described actuator to control described actuator and opens and closes and control the opening and closing of described vibration source according to the powder weight detected value of described LOAD CELLS.Greatly can improve the automaticity of described powder feeding device thus.
According to one embodiment of present invention, the particle diameter of described powder is 10 microns-150 microns.
Embodiment according to a second aspect of the present invention proposes a kind of 3 D-printing system, and described 3 D-printing system comprises: powder feeding device, and described powder feeding device is the powder feeding device for 3 D-printing system described according to a first aspect of the present invention; And workbench, described workbench is located at the below of described powder receiving magazine to receive the powder poured out from described splicing chamber.
According to the 3 D-printing system of the embodiment of the present invention by arranging the powder feeding device for 3 D-printing system described according to a first aspect of the present invention, thus have powder feeding effectively, the advantage such as stable.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the powder feeding device for 3 D-printing system according to the embodiment of the present invention;
Fig. 2 is the using state figure of the powder feeding device for 3 D-printing system according to the embodiment of the present invention;
Fig. 3 is the enlarged drawing of the a-quadrant in Fig. 2;
Fig. 4 is the using state figure of the powder feeding device for 3 D-printing system according to the embodiment of the present invention;
Fig. 5 is the enlarged drawing in the B region in Fig. 4;
Fig. 6 is the using state figure of the powder feeding device for 3 D-printing system according to the embodiment of the present invention;
Fig. 7 is the hardware block diagram of the powder feeding device for 3 D-printing system according to the embodiment of the present invention;
Fig. 8 is the flow chart of the supply of the powder feeding device for the 3 D-printing system powder utilized according to the embodiment of the present invention.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Below with reference to Fig. 1-Fig. 6, the powder feeding device 10 for 3 D-printing system according to the embodiment of the present invention is described.As shown in figs 1 to 6, powder storage case 101, oscillating plate 102, vibration source 103, powder receiving magazine 104 and actuator 113 is comprised according to the powder feeding device 10 for 3 D-printing system of the embodiment of the present invention.
Have container cavity 1011 in powder storage case 101, powder storage case 101 is provided with the discharging opening 1012 be communicated with container cavity 1011.Oscillating plate 102 is located at the below of discharging opening 1012, and oscillating plate 102 is relative with discharging opening 1012 to receive the powder 2 flowed out from discharging opening 1012.Vibration source 103 is connected with oscillating plate 102 to drive oscillating plate 102 to vibrate.Have the splicing chamber 1041 of open upper end in powder receiving magazine 104, powder receiving magazine 104 is located at the below of oscillating plate 102 movably between filling position and discharge position.Wherein, relatively with oscillating plate 102 in described filling position splicing chamber 1041 to shake the powder 2 fallen to receive from described oscillating plate.Actuator 113 is connected with powder receiving magazine 104 to drive powder receiving magazine 104 to move between described filling position and described discharge position.Wherein, above-below direction is as shown in the arrow C in Fig. 1-Fig. 6.
Below with reference to Fig. 1-Fig. 6, the course of work according to the powder feeding device 10 for 3 D-printing system of the embodiment of the present invention is described.First, powder 2 to be supplied is transported in container cavity 1011 (as shown in Figure 2), powder 2 in container cavity 1011 has the trend flowed downward under the Action of Gravity Field of self, and amount of powder 2 flows out container cavity 1011 from discharging opening 1012 and is deposited in oscillating plate 102.Powder 2 on oscillating plate 102 is subject to the constraint of oscillating plate 102, to form the pile of grounds (as shown in Figure 3) that angle of repose is α.Wherein, this angle of repose refers to the angle of the conical bus that powder 2 is formed when the upper natural packing of plane (oscillating plate 102) and plane.The size of this angle of repose α depends on the mobility of powder 2, the factor such as material type, the particle size distribution of powder 2, the grain shape of powder 2 of powder 2.
Then, vibration source 103 starts to drive oscillating plate 102 to vibrate, and when oscillating plate 102 vibrates, the powder 2 on oscillating plate 102 moves to the edge of oscillating plate 102 that (now pile of grounds no longer keeps angle of repose, as shown in Figure 5).Finally, powder 2 shakes from the edge of oscillating plate 102, and drops into the splicing chamber 1041 (as shown in Figure 4) of the powder receiving magazine 104 being positioned at described filling position.Finally, actuator 113 drives powder receiving magazine 104 to move to described discharge position from described filling position, to be poured on workbench 20 by the powder in splicing chamber 1041.That is, the workbench 20 of 3 D-printing system can be positioned at the below of powder receiving magazine 104 to receive the powder 2 poured out from splicing chamber 1041.
According to the powder feeding device 10 for 3 D-printing system of the embodiment of the present invention by arranging the oscillating plate 102 being positioned at the below of discharging opening 1012 and the vibration source 103 be connected with oscillating plate 102, thus can effectively, stably to workbench 20 conveying powder 2 of 3 D-printing system.Therefore, according to the powder feeding device 10 for 3 D-printing system of the embodiment of the present invention have powder feeding effectively, the advantage such as stable.
Particularly, the particle diameter of powder can be 10 microns-150 microns.Preferably, the particle diameter of powder can be 10 microns-100 microns.Further preferably, the particle diameter of powder can be 20 microns-50 microns.More preferably, the particle diameter of powder can be 30 microns-40 microns.Powder can be metal dust, plastic powders, ceramic powders etc.
As shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 6, in some embodiments of the invention, the lower end of container cavity 1011 can be opened wide, and powder storage case 101 can be located on the upper surface of oscillating plate 102.Wherein, discharging opening 1012 can be limited between the first side plate 1013 of powder storage case 101 and oscillating plate 102.In other words, the first side plate 1013 can to limit discharging opening 1012 above oscillating plate 102 between the first side plate 1013 and oscillating plate 102.The structure of powder storage case 101 not only can be made thus more simple, and the structure of powder feeding device 10 is more reasonable, and powder can be made more stably to flow on oscillating plate 102, and can utilize the powder in container cavity 1011 fully.
Particularly, discharging opening 1012 can be close to the first end of oscillating plate 102, can relatively with the first end of oscillating plate 102 to shake the powder fallen to receive from the first end of oscillating plate 102 in described filling position splicing chamber 1041.Thus can more rapidly by powder feeding in splicing chamber 1041.Oscillating plate 102 can be horizontally disposed with.
Advantageously, as shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 6, the upper end of container cavity 1011 can be opened wide to form charging aperture, and powder can be transported in container cavity 1011 from the upper end of container cavity 1011.
As shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 6, in one embodiment of the invention, second side plate 1014 of powder storage case 101 comprises can vertical portion 10141 and rake 10142, the upper edge of rake 10142 can be connected with the lower edge of vertical portion 10141, and rake 10142 can extend internally downwards from vertical portion 10141.In other words, the upper edge of rake 10142 can be connected with the lower edge of vertical portion 10141, and the lower edge of rake 10142 can extend internally downwards.
Wherein, the second side plate 1014 of powder storage case 101 is relative with the first side plate 1013 of powder storage case 101.That is, the second side plate 1014 is relative with discharging opening 1012.Shown in the arrow D of the inward-outward direction of powder storage case 101 as shown in Figure 1, Figure 2, in Fig. 4 and Fig. 6.By making the bottom (rake 10142) of second side plate 1014 relative with discharging opening 1012 be obliquely installed, the powder in container cavity 1011 can be made to flow out container cavity 1011 from discharging opening 1012 more easily, rapidly.
As shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 6, the powder feeding device 10 for 3 D-printing system also comprises installing plate 114, and installing plate 114 can be located on powder storage case 101, and vibration source 103 can be arranged on installing plate 114.Can install vibration source 103 more easily, easily thus, and vibration source 103 can be made to install more firm.Particularly, installing plate 114 can be arranged on the rake 10142 of the second side plate 1014.
In a concrete example of the present invention, as shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 6, powder feeding device 10 for 3 D-printing system can also comprise baffle plate 105, to change the size of discharging opening 1012 on the first side plate 1013 that baffle plate 105 can be located at powder storage case 101 up or down.That is, when wanting to change the size of discharging opening 1012, can moving stop 105 in the vertical direction, to change the size of the part sheltered from by baffle plate 105 of discharging opening 1012.When the lower edge of baffle plate 105 be not less than the first side plate 1013 lower along time, discharging opening 1012 is maximum.When the lower edge of baffle plate 105 contacts with oscillating plate 102, discharging opening 1012 is all blocked by baffle plate 105, and namely discharging opening 1012 is in closed condition.
In addition, by changing the height of baffle plate 105, namely changing the distance between baffle plate 105 and oscillating plate 102, the distance that powder flows out from discharging opening 1012 can be changed.The height of baffle plate 105 is larger (distance between baffle plate 105 and oscillating plate 102 is larger, and namely the opening of discharging opening 1012 is larger), and the distance that powder flows out from discharging opening 1012 is longer.
For a kind of powder (namely the material of powder is determined) determined, its delivery rate is by the impact of the height of baffle plate 105, and the height of baffle plate 105 is larger, and the speed that this powder flows to oscillating plate 102 from container cavity 1011 is larger, and namely the delivery rate of this powder is larger.In addition, the delivery rate of powder is also subject to the impact of the amplitude of vibration source 103, and namely the delivery rate of powder is also subject to the impact of the amplitude of oscillating plate 102, and the amplitude of vibration source 103 is larger, and the delivery rate of powder is larger.If use the powder of another type, required powder feeding speed can be obtained simply by the amplitude of the height of controllable register 105, vibration source 103.
That is, by arranging baffle plate 105 moving up and down on the first side plate 1013 of powder storage case 101, thus not only can change the distance that powder flows out from discharging opening 1012, and the delivery rate of powder can be changed, therefore by the height of controllable register 105 (namely passing through moving stop 105 in the vertical direction), the powder feeding speed required for various types of powder can be obtained.
Advantageously, powder receiving magazine 104 is located at the below of oscillating plate 102 pivotly between described filling position and described discharge position.More easily, easily the powder in splicing chamber 1041 can be poured on workbench 20 thus, thus the structure of powder feeding device 10 can be made more reasonable.
As shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 6, in examples more of the present invention, powder feeding device 10 for 3 D-printing system can also comprise LOAD CELLS 106, powder receiving magazine 104 is located at movably on LOAD CELLS 106 between described filling position and described discharge position, to measure the weight of the powder in splicing chamber 1041.By being arranged on LOAD CELLS 106 by powder receiving magazine 104, thus powder feeding device 10 can be utilized to supply the powder of predetermined weight.
Advantageously, as shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 6, the powder feeding device 10 for 3 D-printing system can also comprise support member 107 and weighing platform 108.Support member 107 can be located on the upper surface 201 of workbench 20, and one end of LOAD CELLS 106 can be located on support member 107, and LOAD CELLS 106 can be spaced apart in the vertical direction with workbench 20.In other words, LOAD CELLS 106 can be positioned at the top of workbench 20.Weighing platform 108 can be located on the other end of LOAD CELLS 106, and powder receiving magazine 104 is located at movably on weighing platform 108 between described filling position and described discharge position.That is, powder receiving magazine 104 is located on LOAD CELLS 106 between described filling position and described discharge position movably by weighing platform 108.The structure of powder feeding device 10 can be made thus more reasonable.
In an example of the present invention, powder feeding device 10 for 3 D-printing system can also comprise controller 109, and controller 109 is connected with LOAD CELLS 106, vibration source 103 and actuator 113 to control actuator 113 and opens and closes and control the opening and closing of vibration source 103 according to the powder weight detected value of LOAD CELLS 106.Greatly can improve the automaticity of powder feeding device 10 thus.
Fig. 7 is the hardware block diagram of the powder feeding device 10 for 3 D-printing system according to the embodiment of the present invention.As shown in Figure 7, vibration source 103 is connected with power supply 111 by switch 110, controller 109(such as computer) be connected with switch 110, and signal can be sent to switch 110 switch 110 is closed and disconnection.LOAD CELLS 106 is connected with A/D converter 112, and A/D converter 112 is connected with controller 109, and sends to controller 109 to gather the detection data of LOAD CELLS 106.Actuator 113 is connected with powder receiving magazine 104, and provides power for powder receiving magazine 104.Controller 109 is connected with actuator 113, and sends signal to actuator 113 and make actuator 113 drive powder receiving magazine 104 to rotate.
The process utilizing and supply powder according to the powder feeding device 10 for 3 D-printing system of the embodiment of the present invention is described below with reference to Fig. 8.
First, controller 109 gathers the data of A/D converter 112, writes down initial weight G0.Then, controller 109 sends instruction to switch 110, and switch 110 is closed, and vibration source 103 vibrates, and the powder on oscillating plate 102 falls in the splicing chamber 1041 of powder receiving magazine 104.Controller 109 gathers the data of A/D converter 112, writes down current weight G1.If G1-G0 is less than the quantity delivered G of setting, then controller 109 continues image data.If G1-G0 is more than or equal to the quantity delivered G of setting, controller 109 sends instruction to switch 110, and switch 110 is disconnected, and stops the supply of powder.Then, controller 109 sends signal to actuator 113, makes powder receiving magazine 104 turn over certain angle (namely powder receiving magazine 104 is pivoted to described discharge position), to be poured on workbench 20 by powder.Complete a powder feeding like this.
Wherein, powder feeding precision depends primarily on the sensitivity of LOAD CELLS 106 and the resolution ratio of A/D converter 112, can select according to actual conditions.
Present invention also offers a kind of 3 D-printing system.Powder feeding device and workbench 20 is comprised according to the 3 D-printing system of the embodiment of the present invention.Described powder feeding device is the powder feeding device 10 for 3 D-printing system according to above-described embodiment.Workbench 20 is located at the below of powder receiving magazine 104 to receive the powder poured out from splicing chamber 1041.
According to the 3 D-printing system of the embodiment of the present invention by arranging the powder feeding device 10 for 3 D-printing system according to above-described embodiment, thus have powder feeding effectively, the advantage such as stable.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (10)
1. for a powder feeding device for 3 D-printing system, it is characterized in that, comprising:
Powder storage case, has container cavity in described powder storage case, and described powder storage case is provided with the discharging opening be communicated with described container cavity;
Oscillating plate, described oscillating plate is located at the below of described discharging opening and relative with described discharging opening to receive the powder flowed out from described discharging opening, the open at its lower end of described container cavity and described powder storage case is located on the upper surface of described oscillating plate, limits described discharging opening between the first side plate of wherein said powder storage case and described oscillating plate;
Vibration source, described vibration source is connected with described oscillating plate to drive described vibration plate vibrates;
Powder receiving magazine, there is in described powder receiving magazine the splicing chamber of open upper end, described powder receiving magazine is located at the below of described oscillating plate movably between filling position and discharge position, and wherein described in described filling position, splicing chamber is relative with described oscillating plate to shake the powder fallen to receive from described oscillating plate; With
Actuator, described actuator is connected with described powder receiving magazine to drive described powder receiving magazine to move between described filling position and described discharge position.
2. the powder feeding device for 3 D-printing system according to claim 1, it is characterized in that, second side plate of described powder storage case comprises vertical portion and rake, the upper edge of described rake is connected with the lower edge of described vertical portion, described rake extends internally downwards from described vertical portion, and the second side plate of wherein said powder storage case is relative with the first side plate of described powder storage case.
3. the powder feeding device for 3 D-printing system according to claim 1, is characterized in that, also comprise baffle plate, to change the size of described discharging opening on the first side plate that described baffle plate can be located at described powder storage case up or down.
4. the powder feeding device for 3 D-printing system according to claim 1, is characterized in that, also comprise installing plate, and described installing plate is located on described powder storage case, and described vibration source is arranged on described installing plate.
5. the powder feeding device for 3 D-printing system according to any one of claim 1-4, it is characterized in that, described 3 D-printing system comprises workbench, and described workbench is positioned at the below of described powder receiving magazine to receive the powder poured out from described splicing chamber.
6. the powder feeding device for 3 D-printing system according to claim 5, it is characterized in that, also comprise LOAD CELLS, described powder receiving magazine is located at movably on described LOAD CELLS between described filling position and described discharge position, to measure the weight of the powder in described splicing chamber.
7. the powder feeding device for 3 D-printing system according to claim 6, is characterized in that, also comprise:
Support member, described support member is located on the upper surface of described workbench, and one end of described LOAD CELLS is located on described support member, described LOAD CELLS and described workbench spaced apart in the vertical direction; With
Weighing platform, described weighing platform is located on the other end of described LOAD CELLS, and described powder receiving magazine is located at movably on described weighing platform between described filling position and described discharge position.
8. the powder feeding device for 3 D-printing system according to claim 7, it is characterized in that, also comprise controller, described controller is connected with described LOAD CELLS, described vibration source and described actuator to control described actuator and opens and closes and control the opening and closing of described vibration source according to the powder weight detected value of described LOAD CELLS.
9. the powder feeding device for 3 D-printing system according to claim 1, is characterized in that, the particle diameter of described powder is 10 microns-150 microns.
10. a 3 D-printing system, is characterized in that, comprising:
Powder feeding device, described powder feeding device is the powder feeding device for 3 D-printing system according to any one of claim 1-9; With
Workbench, described workbench is located at the below of described powder receiving magazine to receive the powder poured out from described splicing chamber.
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| CN201410006741.0A CN103706794B (en) | 2014-01-07 | 2014-01-07 | For powder feeding device and the 3 D-printing system of 3 D-printing system |
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| CN201410006741.0A CN103706794B (en) | 2014-01-07 | 2014-01-07 | For powder feeding device and the 3 D-printing system of 3 D-printing system |
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| US9878371B2 (en) * | 2014-11-07 | 2018-01-30 | Ge Avio S.R.L. | Powder dispenser for making a component by additive manufacturing |
| DE102015011503A1 (en) | 2015-09-09 | 2017-03-09 | Voxeljet Ag | Method for applying fluids |
| CN105252770B (en) * | 2015-11-10 | 2018-04-03 | 珠海天威飞马打印耗材有限公司 | 3 D-printing method and three-dimensional printer |
| CN105881905A (en) * | 2016-04-28 | 2016-08-24 | 苏州艾泰普机械有限公司 | Automatic conveying device for 3D printer powder material |
| CN108312537B (en) * | 2018-04-11 | 2024-04-12 | 沈阳精合数控科技开发有限公司 | 3D printing device and printing method for accurately controlling powder discharge amount |
| CN110106498B (en) * | 2019-04-28 | 2021-07-20 | 江苏大学 | Stepless regulation powder feeding head for laser cladding |
| CN110143059A (en) * | 2019-05-07 | 2019-08-20 | 佛山市赛普飞特科技有限公司 | A kind of digital printing device and its digital printing method |
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