CN204524789U - Multiple electron beam melting and milling compound 3D printing device - Google Patents
Multiple electron beam melting and milling compound 3D printing device Download PDFInfo
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- CN204524789U CN204524789U CN201420866446.8U CN201420866446U CN204524789U CN 204524789 U CN204524789 U CN 204524789U CN 201420866446 U CN201420866446 U CN 201420866446U CN 204524789 U CN204524789 U CN 204524789U
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Abstract
The utility model relates to 3D printing device technical field, and disclose multiple electron beam melting and milling compound 3D printing device, comprise pedestal, pedestal is provided with processing platform; Pedestal is provided with paving powder structure; The top of processing platform is respectively equipped with multiple electron beam emitting structural and milling head, and multiple electron beam emitting structural is separately around the outside being arranged in milling head; Multiple described electron beam emitting structural divergent bundle carries out subregion melt-processed to metal bisque and is similar to body to form multiple single or multiple lift; Milling head is similar to body to multiple single or multiple lift and carries out Milling Process respectively.It is integrated that main increment layered manufacturing technique is processed and printed to electron beam melting 3D to removal formula based on laser milling by 3D printing device, overcome the defect of 3D printing technique in size and dimension etc., and for large-sized part, multiple electron beam carries out subregion melt-processed, recycling milling head carries out Milling Process, and what realize any large-scale part is shaping.
Description
Technical field
The utility model relates to the technical field of 3D printing device, particularly relates to multiple electron beam melting and milling compound 3D printing device.
Background technology
Metal melting 3D printing technique (Selective Laser Melting, SLM) utilizes high brightness laser direct deposite metal dusty material, without the need to binding agent, goes out any parts with complex structures suitable with cast properties by 3D model straight forming.
Although metal melting 3D printing technique can mold the part reaching casting intensity rank, but the form error of the part molded is large, surface smoothness is not high, like this, part after shaping then needs to adopt traditional machining mode to carry out secondary operations to this, just can obtain the shape required by aeronautical manufacture industry and surface accuracy.And Aero-Space industry major part part, as the combustion chamber etc. of engine nozzle, blade, honeycomb, generally complex thin-wall or truss core structure, or larger-size shape, or the shape such as free form surface, when the part adopting metal melting 3D printing technique to process, then put into lathe when carrying out secondary operations, then there is following problem:
1), clamping difficulty, or after clamping, because coordinate transform cannot accurate locating element reference point, cause mismachining tolerance large;
2), for the part of thin-wall construction, add man-hour, due to the face without support part, cause part stress deformation;
3), part due to internal structure complicated, cutter cannot insert into the inner portion, causes being difficult to processing.
Due to the existence of the problems referred to above, although cause metal current melting 3D printing technique to be applied in the manufacturing of airplane parts, but application surface is narrower, only be applied to the part that some are not high to precision, requirement of strength, or in the processing of the part of the simpler and easy secondary mechanical processing of shape, also there is larger gap in distance extensive use.
In addition, in prior art, utilize great-power electronic bundle direct deposite metal powder material, without the need to binding agent, go out any parts with complex structures suitable with forging performance by 3D model straight forming.But because the deflection angle of electron beam is limited, its scan area substantially at below 400mmx400mm, thus then cannot carry out the shaping of large-scale part.
Utility model content
The purpose of this utility model is to provide multiple electron beam melting and milling compound 3D printing device, be intended to solve in prior art, the part of metal melting 3D printing technique processing is adopted to carry out secondary operations at lathe, have that clamping difficulty, mismachining tolerance are large, part mutability and unmanageable problem, and utilize electron beam melting 3D to print, cannot the problem of shaping large-scale part.
The utility model is achieved in that multiple electron beam melting and milling compound 3D printing device, and comprise pedestal, described pedestal is provided with the processing platform of vertically movement; Described pedestal is provided with the paving powder structure forming metal bisque for metal powder being laid on described processing platform; The top of described processing platform is respectively equipped with multiple electron beam emitting structural and milling head, and multiple described electron beam emitting structural is separately around the outside being arranged in described milling head; Multiple described electron beam emitting structural divergent bundle carries out subregion melt-processed to the metal bisque be positioned on described processing platform and is similar to body to form multiple single or multiple lift; Described milling head is similar to body to the multiple single or multiple lifts be formed on described processing platform and carries out Milling Process respectively, and the multiple single or multiple lifts be formed on described processing platform are similar to body connect as one.
Further, described electron beam emitting structural comprises the electron beam generator of divergent bundle and the coil in energising generation magnetic field, the magnetic field that the electron beam that described electron beam generator is launched produces through described coil.
Further, described pedestal is provided with two guide rails be arranged side by side separately, and described processing platform is described in two between guide rail; Described paving powder structure comprises scraper and is positioned at the leakage powder case above described scraper, and the two ends of described scraper are movably connected on guide rail described in two respectively, have gap between the lower end of described scraper and described processing platform; Be provided with the powder storing chamber for device metal powder in described leakage powder case, the lower end of described leakage powder case is provided with powder leakage hole, and the upper end of described scraper is provided with the collection powder groove for collecting the metal powder fallen via described powder leakage hole.
Further, described paving powder structure comprises two scrapers and two described leakage powder casees, and two described scrapers are separately positioned on front end and the rear end of described processing platform, and two described leakage powder casees lay respectively at the top of two described scrapers.
Further, described pedestal is provided with two guide rails be arranged side by side separately, and described processing platform is described in two between guide rail; Described paving powder structure comprises scraper and Chu Fenxiang, and the two ends of described scraper are movably connected on guide rail described in two respectively, has gap between the lower end of described scraper and described processing platform; Described storage powder case has upper end open and for the powder storing chamber of device metal powder, is provided with the through hole alignd with the upper end open of described powder storing chamber in described pedestal; Be provided with vertical mobile and for metal powder being transported to the fortune powder platform on described pedestal in the powder storing chamber of described storage powder case, described fortune powder platform respectively with upper end open and the through hole alignment of described powder storing chamber.
Further, the both sides of described processing platform are respectively equipped with the sensor for detecting the metal powder layer thickness be laid on described processing platform.
Further, described milling head is laser milling head, two described guide rails are connected with door frame, described door frame comprises two linking arms and crossbeam arranged separately, the lower end of two described linking arms is movably connected on two described guide rails respectively, and the two ends of described crossbeam are connected to the upper end of two described linking arms; Described crossbeam is connected with the mobile terminal along cross beam movement, described mobile terminal is connected with the connecting plate moved up and down relative to described mobile terminal, described laser milling head is connected on described connecting plate.
Further, the cooling line of Cooling Water circulation is provided with in described laser milling head.
Further, described milling head is laser milling head, and described laser milling head comprises the polarizer that laser generator and multiple laser beam launched described laser generator for Emission Lasers bundle are launched, and multiple described polarizer is located in container.
Further, described multiple electron beam melting and milling compound 3D printing device also comprise collection box, have for accommodating and reclaim the recycling cavity of metal powder on described pedestal in described collection box, described collection box is positioned at the below of described pedestal, is provided with the recovery port being communicated with described recycling cavity in described pedestal.
Compared with prior art, multiple electron beam melting that the utility model provides and milling compound 3D printing device processing parts, the electron beam subregion utilizing electron beam emitting structural to launch is successively after motlten metal bisque, utilize milling head to be similar to body to multiple single or multiple lift and carry out Milling Process, be cycled to repeat until part completion of processing, this 3D printing device by traditional removal formula Precision Machining based on milling with print to main increment layered manufacturing technique with electron beam melting 3D and become one, the defect of traditional 3D printing technique in size and dimension precision etc. can be overcome, also the restriction of machining to aspects such as parts complexities can be overcome, like this, the part after to processing is not then needed to carry out secondary operations, avoid current clamping difficulty, mismachining tolerance is large, add man-hour part occur distortion and unmanageable problem, for 3D printing technique opens up more wide application space, for the manufacturing of aerospace industries core precision parts provides new ways and means, and for large-sized part, then can make full use of multiple electron beams that multiple electron beam emitting structural sends and carry out subregion melt-processed, recycling milling head is similar to body carries out Milling Process etc. to the multiple single or multiple lift formed, thus it is shaping to realize any large-scale part.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of multiple electron beam melting of providing of the utility model embodiment and milling compound 3D printing device;
Fig. 2 is the simple and easy schematic diagram that multiple electron beam melting of providing of the utility model embodiment and milling compound 3D printing device adopt two electron beam emitting structurals and a milling head;
Fig. 3 is the simple and easy schematic diagram that multiple electron beam melting of providing of the utility model embodiment and milling compound 3D printing device adopt three electron beam emitting structurals and a milling head;
Fig. 4 is the simple and easy schematic diagram that multiple electron beam melting of providing of the utility model embodiment and milling compound 3D printing device adopt four electron beam emitting structurals and a milling head.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Below in conjunction with specific embodiment, realization of the present utility model is described in detail.
As shown in figures 1-4, be preferred embodiment that the utility model provides.
The 3D printing device 1 that the utility model provides, is compounded with Milling Process and electron beam melting, and it may be used for shaping various part, as the part etc. needed for aeronautical manufacture industry.
Multiple electron beam melting and milling compound 3D printing device 1 comprise pedestal 100, paving powder structure, multiple electron beam emitting structural 101 and milling head 102, wherein, pedestal 100 is as the basis of whole 3D printing device 1, play carrying effect, pedestal 100 is provided with the processing platform 109 of vertically movement, and metal powder is laid on this processing platform 109; Paving powder vibrational power flow is on pedestal 100, and paving powder structure is used for metal powder etc. to be transported to processing platform 109, and metal powder forms metal bisque on processing platform 109; Multiple electron beam emitting structural 101 is separately in the outside being arranged in milling head 102 around shape, each electron beam emitting structural 101 is positioned at the top of processing platform 109, its transmitting can at the electron beam of horizontal plane movement, and this electron beam is used for carrying out subregion melt-processed to the metal bisque be formed on processing platform 109 is similar to body to form single or multiple lift.
Milling head 102 is positioned at the top of processing platform 109, this milling head 102 be positioned at multiple electron beam emitting structural 101 around encirclement among, that is, multiple electron beam emitting structural 101 is arranged around the periphery of milling head 102 separately, milling head 102 can be similar to body to multiple single or multiple lifts of melt molding on processing platform 109 and carry out Milling Process, and multiple single or multiple lift is similar to body connects as one.
With reference to shown in Fig. 1, the XY plane that setting is parallel to processing platform 109 is horizontal plane, Z-direction is then vertical direction, plane perpendicular to horizontal plane is perpendicular, like this, processing platform 109 can move up and down along Z-direction, and the electron beam that electron beam emitting structural 101 is launched is at XY planar movement, according to the run trace of setting, melt molding processing is carried out to metal bisque.
In above-mentioned multiple electron beam melting and milling compound 3D printing device 1, the multiple electron beam melting metal bisques adopting multiple electron beam emitting structural 101 to launch carry out 3D printing, like this, for large-sized part, multiple electron beam emitting structural then can be utilized to carry out subregion melt-processed, and utilize milling head 102 to multiple electron beam emitting structural 101 at every turn multiple single or multiple lifts of processing be similar to body and carry out Milling Process, and the multiple single or multiple lifts after milling are similar to body connect as one, merge 3D printing technique and Milling Process is integrated.
In actual process, its specific operation process is as follows:
1), metal powder is delivered on processing platform 109, and is laid on processing platform 109, formation metal bisque by paving powder structure; According to 3D printing technique, multiple electron beam emitting structural 101 launches multiple electron beam to the metal bisque melt-processed on processing platform 109, successively pile up the approximate body forming single or multiple lift line by line, in the process, realize the processing of part subregion, like this, the coverage of electron beam of launching for electron beam emitting structural 101 and the size of part, then can the electron beam emitting structural 101 of the corresponding quantity of corresponding layout;
2), utilize the approximate body of multiple single or multiple lifts that milling head 102 pairs of processing platforms 109 are formed to carry out milling, be similar to size needed for body and surface accuracy to reach single or multiple lift, and multiple single or multiple lift is similar to body connects as one;
3), repetitive cycling above-mentioned steps 1) and step 2), until the shape completion of processing of last part.
Complete above-mentioned steps 1 at every turn) and 2), processing platform 109 can move down certain distance, remains unchanged with the distance between the focus ensureing to rearrange the electron beam that metal bisque on processing platform 109 and electron beam emitting structural 101 are launched.
In step 1) in, the multiple electron beams utilizing multiple electron beam emitting structural 101 to send move at horizontal plane, and in the metal bisque on processing platform 109, shaping multiple single or multiple lift is similar to body; In step 2) in, body is comprehensive carries out milling to utilize milling head 102 to be similar to multiple various types of single or multiple lift.
The multiple electron beam melting utilizing the present embodiment to provide and milling compound 3D printing device 1 processing parts, utilize multiple electron beam subregion and successively after motlten metal bisque, utilize milling head 102 to be similar to body to multiple single or multiple lift and carry out Milling Process, be cycled to repeat until part completion of processing.
This 3D printing device by traditional removal formula Precision Machining based on milling with print to main increment layered manufacturing technique with electron beam melting 3D and become one, the defect of traditional 3D printing technique in size and dimension precision etc. can be overcome, also the restriction of machining to aspects such as parts complexities can be overcome, like this, the part after to processing is not then needed to carry out secondary operations, avoid current clamping difficulty, mismachining tolerance is large, add man-hour part occur distortion and unmanageable problem, for 3D printing technique opens up more wide application space, for the manufacturing of aerospace industries core precision parts provides new ways and means.
In addition, for large-sized part, then can make full use of multiple electron beams that multiple electron beam emitting structural 101 sends and carry out subregion melt-processed, recycling milling head 102 is similar to body carries out Milling Process etc. to the multiple single or multiple lift formed, thus it is shaping to realize any large-scale part.
In the present embodiment, pedestal 100 is provided with the two rows parallel guide rail 105 arranged separately, and these two guide rails 105 are arranged in the both sides of processing platform 109; The scraper 104 that paving powder structure comprises and leakage powder case 103, the two ends of scraper 104 are movably connected on two guide rails 105 respectively, like this, scraper 104 can move in the horizontal plane along guide rail 105, and has gap between the lower end of scraper 104 and processing platform 109;
Leak the top that powder case 103 is positioned at pedestal 100, be wherein provided with powder storing chamber, metal powder is then stored in the powder storing chamber of this leakage powder case 103.Powder leakage hole is provided with in the lower end of leaking powder case 103, this powder leakage hole is communicated with leakage powder chamber, and, collection powder groove 1041 is provided with in the upper end of scraper 104, this collection powder groove 1041 and the powder leakage hole alignment of leaking powder case 103, like this, the metal powder fallen via the powder leakage hole leaking powder case 103 then falls within the collection powder groove 1041 of scraper 104, and be laid on processing platform 109 by scraper 104, form metal bisque.
Particularly, the powder leakage hole leaking powder case 103 is that strip extends layout, and the collection powder groove 1041 on scraper 104, also in arranged in strips, like this, ensures that the width of the metal bisque after carrying out paving powder by scraper 104 meets and uses needs.
According to reality processing needs, the thickness of the metal bisque be at every turn laid on processing platform 109 can be selected, only need the gap adjusted between scraper 104 lower end and processing platform 109 then can.
Certainly, for above-mentioned, the structure that Lou powder case 103 realizes leaking powder is from top to bottom set, paving powder structure includes two above-mentioned scrapers 104 and two above-mentioned leakage powder casees 103, like this, the two ends of two scrapers 104 are movably connected on two guide rails 105 respectively, and two scrapers 104 are separately positioned on front end and the rear end of processing platform 109, certainly, two leak the top that powder case 103 also lays respectively at processing platform 109 front end and rear end, like this, when utilizing scraper 104 to carry out paving powder, then can utilize the interactive operation of two scrapers 104, substantially increasing paving powder efficiency.
Or as other embodiment, paving powder structure also can be comprise above-mentioned scraper 104 and Chu Fenxiang; Storage powder case has the powder storing chamber of upper end open, the powder storing chamber of storage powder case is for storing metal powder, this Chu Fenxiang is positioned at the below of pedestal 100, and in pedestal 100, be provided with the through hole being communicated with this storage powder case upper end open, that is, through hole aligns with the upper end open of Chu Fenxiang, certainly, this through hole is also between two guide rails 105.
The fortune powder platform that can move up and down also is provided with in storage powder case, through hole in the upper end open of this fortune powder platform and Chu Fenxiang and pedestal 100 is alignment respectively, like this, when scraper 104 needs to lay metal powder layer on processing platform 109, fortune powder platform carrys metal powder, and move up, be each passed through the upper end open of Chu Fenxiang and the through hole of pedestal 100, until metal powder is emerging on pedestal 100, like this, utilize scraper 104 metal powder can be scraped on processing platform 109, form metal bisque, certainly, be formed in the thickness of the metal bisque on processing platform 109 at every turn, consistent with the gap of scraper 104 lower end and processing platform 109.
Certainly, above-mentioned employing scraper 104 and storage powder case are coordinated, realize the operation supplying powder from bottom to top, it also can arrange two above-mentioned scrapers 104 and two storage powder casees, and the two ends of two scrapers 104 are movably connected on two guide rails 105 respectively, and two scrapers 104 and two storage powder casees are separately positioned on front end and the rear end of processing platform 109, like this, when utilizing scraper 104 to carry out paving powder, then can utilize the interactive operation of two scrapers 104, substantially increasing paving powder efficiency.
In order to detect the thickness of the metal bisque be laid on processing platform 109, in the present embodiment, sensor 107 is respectively equipped with in the both sides of processing platform 109, this sensor 107 is for detecting the thickness of the metal bisque be laid on processing platform 109, the information that sensor 107 detects by feeding back to control centre, and then is regulated the gap between processing platform 109 and scraper 104 by control centre.
Particularly, in order to detect the thickness of metal bisque more accurately, the present embodiment, in the both sides of processing platform 109, the side along processing platform 109 extends, and is furnished with multiple above-mentioned sensor 107 respectively.
Electron beam emitting structural 101 comprises electron beam generator and coil, wherein, electron beam generator can divergent bundle, the magnetic field that its electron beam launched is formed by coil electricity, like this, by the adjustment to coil magnetic field, then can change the transmission path of electron beam, realize the movement of electron beam at horizontal plane, as required the shape need of the approximate body component of processing, the magnetic field of regulating winding generation accordingly, thus realize the skew of electron beam.
In order to realize that processing platform 109 moves up and down, lift motor 111 is connected with below above-mentioned processing platform 109, utilize the power drive of this lift motor 111, drive moving up and down of processing platform 109, after each paving powder structure lays layer of metal bisque on processing platform 109, hoistable platform then controlled working platform 109 declines fixed range, thus ensures that the distance that the focus of the electron beam that electron beam emitting structural 101 is launched drops on metal bisque is constant.
In the present embodiment, multiple electron beam melting and milling compound 3D printing device 1 also comprise metal powder recovery structure, and this metal powder recovery structure is used for reclaiming pedestal 100 being processed remaining metal powder, like this, is then conducive to recycling of metal powder.
Particularly, metal powder recovery structure comprises collection box 110, be provided with the recycling cavity of the metal powder for accommodating recovery in this collection box 110, collection box 110 is positioned at the below of pedestal 100, is provided with recovery port 106 in pedestal 100, this recovery port 106 is communicated with the recycling cavity of collection box 110, like this, pedestal 100 is processed remaining metal powder and then can enter in the recycling cavity of collection box 110 by recovery port, the metal powder in recycling cavity, carry out residue filtering, then can again recycle.
In the present embodiment, moving direction when spreading powder along scraper 104, recovery port 106 is arranged in the rear end of processing platform 109; Or two scrapers 104 are coordinated to the operation of interactive paving powder, recovery port 106 can be separately positioned on front end and the rear end of processing platform 109.
In order to make multiple electron beam melting and milling compound 3D printing device 1 in the process of processing, metal powder can not be oxidized, thus make the performance of shaping part better, in the present embodiment, multiple electron beam melting and milling compound 3D printing device 1 also comprise Processing Room 107, in this Processing Room 107, there is processing space 1071, and this processing space 1071 is in vacuum state, or, inert gas is filled with in processing space 1071, above-mentioned pedestal 100 is arranged in the processing space 1071 of Processing Room 107, namely multiple electron beam melting and milling compound 3D printing device 1 device are processed in the processing space 1071 of Processing Room 107, like this, can reduce environment on metal melting or solidify time impact, improve machinery and the physical property of metal, for metal electron bundle melting 3D printing technique opens up more wide application space, the manufacturing for refractory metal provides new ways and means.
In the present embodiment, milling head 102 is laser milling head, and it utilizes laser milling hair to penetrate laser beam, is similar to body carries out Milling Process to the multiple single or multiple lifts on processing platform 109.Certainly, as other embodiment, this milling head 102 also can be the different processing modes such as electron beam milling, or NC milling.
The laser beam adopting laser milling hair to penetrate is similar to body to single or multiple lift and carries out Milling Process, belong to contactless Milling Process, directly being similar to body with single or multiple lift directly contacts the defect of processing and existing to avoid traditional type cutter, greatly improves the precision of Milling Process.
Set-up mode for laser milling head can have various ways, and in the present embodiment, laser milling head can move in solid space.Two guide rails 105 are provided with door frame, this door frame comprises the spaced apart linking arm of two-phase and crossbeam, the lower end of two linking arms is movably connected on two guide rails 105 respectively, and can move along guide rail 105, crossbeam is connected to the upper end of two linking arms, like this, crossbeam is then in being arranged between two guide rails 105 across shape.Crossbeam is connected with mobile terminal 112, and this moves terminal 112 can along cross beam movement.Mobile terminal is also connected with connecting plate, and this connecting plate can move up and down by relative movement terminal, namely along vertical movement, moves along the Z direction.Laser milling head is connected on this connecting plate, and like this, when connecting plate is vertical movement, laser milling head is also thereupon in vertical movement, and like this, laser milling head then can move at solid space.
In addition, cooling line is provided with in laser milling head, in this cooling line, Cooling Water is communicated with, like this, by the cooling water that circulates in cooling line, then can utilize the flowing of cooling water, take away the heat produced in a component course of work in laser milling head, play the effect of heat radiation, ensure laser milling head preferably operating efficiency and performance.
Or, as other embodiment, laser milling head comprises the polariscope of laser generator and multiple rotation layout, wherein, laser generator is for generation of laser beam, and multiple polariscope is arranged on the transmission route of laser beam separately, for reflecting laser beam, thus reach the object changing beam transmission direction, make laser beam vertical sand shooting on processing platform 109.Further, by regulating multiple polariscopic rotation, then can change the position of laser beam, namely realize the movement of laser beam at horizontal plane.
In the present embodiment, in order to realize the automatic control to multiple polariscope 1012, laser milling head also comprises Polarization Controller, this Polarization Controller regulates for controlling multiple polariscopic rotation, certainly, according to the needs of processing, can embedded control program etc., according to different processing, Polarization Controller then carries out different rotations to multiple polariscope and regulates.
Above-mentioned multiple polariscopes are placed in container, and the laser that laser generator sends enters in container, reflect through multiple polariscope, then are penetrated by the exit portal of container.
The multiple electron beam melting provided for the present embodiment and milling compound 3D printing device 1, adopt a milling head 102 and multiple electron beam emitting structural 101, and wherein, electron beam emitting structural 101 can be two, also can be three or four etc.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. many electron beam meltings and milling compound 3D printing device, it is characterized in that, comprise pedestal, described pedestal is provided with the processing platform of vertically movement; Described pedestal is provided with the paving powder structure forming metal bisque for metal powder being laid on described processing platform; The top of described processing platform is respectively equipped with multiple electron beam emitting structural and milling head, and multiple described electron beam emitting structural is separately around the outside being arranged in described milling head; Multiple described electron beam emitting structural divergent bundle carries out subregion melt-processed to the metal bisque be positioned on described processing platform and is similar to body to form multiple single or multiple lift; Described milling head is similar to body to the multiple single or multiple lifts be formed on described processing platform and carries out Milling Process respectively, and the multiple single or multiple lifts be formed on described processing platform are similar to body connect as one.
2. multiple electron beam melting as claimed in claim 1 and milling compound 3D printing device, it is characterized in that, described electron beam emitting structural comprises the electron beam generator of divergent bundle and the coil in energising generation magnetic field, the magnetic field that the electron beam that described electron beam generator is launched produces through described coil.
3. multiple electron beam melting as claimed in claim 1 and milling compound 3D printing device, is characterized in that, described pedestal is provided with two guide rails be arranged side by side separately, and described processing platform is described in two between guide rail; Described paving powder structure comprises scraper and is positioned at the leakage powder case above described scraper, and the two ends of described scraper are movably connected on guide rail described in two respectively, have gap between the lower end of described scraper and described processing platform; Be provided with the powder storing chamber for device metal powder in described leakage powder case, the lower end of described leakage powder case is provided with powder leakage hole, and the upper end of described scraper is provided with the collection powder groove for collecting the metal powder fallen via described powder leakage hole.
4. multiple electron beam melting as claimed in claim 3 and milling compound 3D printing device, it is characterized in that, described paving powder structure comprises two scrapers and two described leakage powder casees, two described scrapers are separately positioned on front end and the rear end of described processing platform, and two described leakage powder casees lay respectively at the top of two described scrapers.
5. multiple electron beam melting as claimed in claim 1 and milling compound 3D printing device, is characterized in that, described pedestal is provided with two guide rails be arranged side by side separately, and described processing platform is described in two between guide rail; Described paving powder structure comprises scraper and Chu Fenxiang, and the two ends of described scraper are movably connected on guide rail described in two respectively, has gap between the lower end of described scraper and described processing platform; Described storage powder case has upper end open and for the powder storing chamber of device metal powder, is provided with the through hole alignd with the upper end open of described powder storing chamber in described pedestal; Be provided with vertical mobile and for metal powder being transported to the fortune powder platform on described pedestal in the powder storing chamber of described storage powder case, described fortune powder platform respectively with upper end open and the through hole alignment of described powder storing chamber.
6. the multiple electron beam melting as described in any one of claim 1 to 5 and milling compound 3D printing device, is characterized in that, the both sides of described processing platform are respectively equipped with the sensor for detecting the metal powder layer thickness be laid on described processing platform.
7. the multiple electron beam melting as described in claim 3 or 5 and milling compound 3D printing device, it is characterized in that, described milling head is laser milling head, two described guide rails are connected with door frame, described door frame comprises two linking arms and crossbeam arranged separately, the lower end of two described linking arms is movably connected on two described guide rails respectively, and the two ends of described crossbeam are connected to the upper end of two described linking arms; Described crossbeam is connected with the mobile terminal along cross beam movement, described mobile terminal is connected with the connecting plate moved up and down relative to described mobile terminal, described laser milling head is connected on described connecting plate.
8. multiple electron beam melting as claimed in claim 7 and milling compound 3D printing device, is characterized in that, is provided with the cooling line of Cooling Water circulation in described laser milling head.
9. the multiple electron beam melting as described in any one of claim 1 to 5 and milling compound 3D printing device, it is characterized in that, described milling head is laser milling head, described laser milling head comprises the polarizer that laser generator and multiple laser beam launched described laser generator for Emission Lasers bundle are launched, and multiple described polarizer is located in container.
10. the multiple electron beam melting as described in any one of claim 1 to 5 and milling compound 3D printing device, it is characterized in that, described multiple electron beam melting and milling compound 3D printing device also comprise collection box, have for accommodating and reclaim the recycling cavity of metal powder on described pedestal in described collection box, described collection box is positioned at the below of described pedestal, is provided with the recovery port being communicated with described recycling cavity in described pedestal.
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| CN104526359A (en) * | 2014-12-30 | 2015-04-22 | 深圳市圆梦精密技术研究院 | Multi-electron-beam fusing and milling composite 3D printing device |
| WO2016106615A1 (en) * | 2014-12-30 | 2016-07-07 | 深圳市圆梦精密技术研究院 | Multi-electron-beam melting and milling composite 3d printing apparatus |
| EP3170620A1 (en) * | 2015-11-17 | 2017-05-24 | General Electric Company | Combined additive manufacturing and machining system |
| CN109290570A (en) * | 2017-07-25 | 2019-02-01 | 戴弗根特技术有限公司 | Method and apparatus for the transport structure based on increasing material manufacturing ectoskeleton |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526359A (en) * | 2014-12-30 | 2015-04-22 | 深圳市圆梦精密技术研究院 | Multi-electron-beam fusing and milling composite 3D printing device |
| WO2016106615A1 (en) * | 2014-12-30 | 2016-07-07 | 深圳市圆梦精密技术研究院 | Multi-electron-beam melting and milling composite 3d printing apparatus |
| EP3170620A1 (en) * | 2015-11-17 | 2017-05-24 | General Electric Company | Combined additive manufacturing and machining system |
| US10065241B2 (en) | 2015-11-17 | 2018-09-04 | General Electric Company | Combined additive manufacturing and machining system |
| CN109290570A (en) * | 2017-07-25 | 2019-02-01 | 戴弗根特技术有限公司 | Method and apparatus for the transport structure based on increasing material manufacturing ectoskeleton |
| CN109290570B (en) * | 2017-07-25 | 2021-12-10 | 戴弗根特技术有限公司 | Method and apparatus for additive manufacturing of a transport structure for an exoskeleton |
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