Specific embodiment
Fig. 1 is the figure of the three-dimensional moulding device representing one embodiment of the present invention.
The three-dimensional moulding device 1 of present embodiment possesses energy beam irradiation portion 2 as material supply unit, as materialThe powder supply unit 3 of supply unit and moulder placement section 4.Energy beam irradiation portion 2, powder supply unit 3 and moulder are placedPortion 4 is supported on scaffold 11.And, it is formed with the part as scaffold 11 in the mid portion of scaffold 11Infrastructural frame 12.
Energy beam irradiation portion 2 is positioned on scaffold 11, has beam generating unit 21 and beam scanner section 22, aforementionedBeam generating unit 21 produces energy beam EB, and aforementioned beam scanner section 22 can adjust the energy irradiating from beam generating unit 21 and penetrateThe focal position of bundle EB, and two-dimensional scan can be carried out.It should be noted that in the present embodiment although beam manipulationPortion 22 is by the structure of two-dimensional scan but it is also possible to be by making the focal position also action in the vertical direction of beam3-D scanning structure.
Beam generating unit 21 preferably produces lasing light or electron beam etc..In the case that energy beam EB is light, penetrateBeam scanning portion 22 makes the optical elements such as lens move, and makes light be concentrated on the metal dust M on workbench described later, and to workTwo-dimensional scan is carried out on platform 41.As one, the laser beam irradiation unit that energy beam irradiation portion 2 can be recorded for patent document 1Such structure.And, in the case that energy beam EB is electron beam, beam scanner section 22 is made by the control of electromagnetic fieldElectron beam is concentrated, and carries out two-dimensional scan on workbench 41.As one, energy beam irradiation portion 2 can be patentWhat document 2 was recorded irradiates electron ray the structure as device guiding.
Powder supply unit 3 has and temporarily stockpiles the powder accumulating part 31 of metal dust M, shakeouts metal dust on the tableM shakeouts portion 32 and outer frame 33.
Powder accumulating part 31 is made up of the container being held in scaffold 11, up has the note of injection metal dust MEnter portion 31a, there is in lower section discharge unit 31b discharging metal dust M.Discharge unit 31b is preferably able to adjust metal dust M'sDischarge rate.
Shakeouing portion 32 is following part, is moved by making the parts such as scraper, on workbench 41, will be from powder accumulating part 31The metal dust M discharging is formed as the part of height plane as impartial as possible.It should be noted that be preferably able to adjustment willThe height that metal dust M shakeouts.
Outer frame 33 is supported on scaffold 11, is arranged at the periphery of workbench 41 described later.Shakeout after portion 32 shakeoutsUnnecessary metal dust M is mobile to outer frame 33.These metal dusts M preferably passes through to not scheming that powder accumulating part 31 returnsThe circulation portions shown are circulating.
It should be noted that in powder supply unit 3 circulation portions (not shown) as follows can also form, aforementioned (not shown) followRing portion makes the metal dust M on the workbench 41 of non-moulding after discharging from discharge unit 31b return to powder accumulating part 31.
Material supply unit be not limited to as the present embodiment energy beam irradiation portion 2 and powder supply unit 3 it is also possible toIt is that the resin to piece or banding, paper or metal etc. are carried out the mode of bonding, make the mode of liquid curing, sprayed admittedly using ink gunBody or liquid simultaneously carry out the mode of bonding, pile up long filament and the mode welded or the side that metal dust is weldedFormula etc..
Fig. 2 is the enlarged drawing of the moulding placement section of the three-dimensional moulding device representing present embodiment.Fig. 3 is to represent this enforcementThe skeleton diagram of the configuration of driving transfer part of the three-dimensional moulding device of mode.Fig. 4 is the three-dimensional modeling dress representing present embodimentThe approximate three-dimensional map of the moulding placement section put.
Moulder placement section 4 have workbench 41, slide block 42, ball-screw 43, reduction part 44, workbench drive division 45,Magnetic Sensor 46, magnetic scale 47, bar 48 and limit switch 49.
Workbench 41 is supported on slide block 42.The upper surface of workbench 41 is formed as plane, discharges to upper surface and places Fig. 1Shown metal dust M.Moulder is preferably formed in the sculpted zone 41a less than the profile of workbench 41.
Slide block 42 is in upper surface supporting table 41.In lower section, it is supported on ball-screw 43.Ball-screw 43 is via decelerationPortion 44 is linked with drive division 45.Drive division 45 is made up of servo motor or other actuators etc., and drive division 45 is driven, thusBall-screw 43 rotates, and by the rotation of ball-screw 43, slide block 42 moves up and down, and is also moved up and down by this workbench 41.RollingBallscrew 43 preferably insertion infrastructural frame 12.
In the present embodiment, ball-screw 43, reduction part 44, drive division 45, Magnetic Sensor 46 and magnetic scale 47 respectively configureThere are four.It should be noted that ball-screw 43 and reduction part 44 constitute transfer part.And, by drive division 45 and transfer part structureBecome to drive transfer part.It should be noted that reduction part 44 can not also be used and is the direct acting of drive division 45 and ball-screw 43Mechanism.In the case of straight-moving mechanism, can suppress to recoil（back lash）, therefore, it is possible to more precisely be controlled.
As shown in figure 3, the first ball-screw 43a, the second ball-screw 43b, the 3rd ball-screw 43c and the 4th ball wireThick stick 43d is accordingly linked to slide block 42 at the outside of sculpted zone 41a and four angles.
As shown in figure 4, the first drive division 45a, the second drive division 45b, the 3rd drive division 45c and fourth drive part 45d are dividedNot via the first reduction part 44a, the second reduction part 44b, the 3rd reduction part 44c and the 4th reduction part 44d and the first ball-screw43a, the second ball-screw 43b, the 3rd ball-screw 43c and the 4th ball-screw 43d link.
First Magnetic Sensor 46a, the second Magnetic Sensor 46b, the 3rd Magnetic Sensor 46c and the 4th Magnetic Sensor 46d are respectivelyWith the first ball-screw 43a, the second ball-screw 43b, the 3rd ball-screw 43c and the 4th ball-screw 43d bearing positionAccordingly it is installed on the lower section of slide block 42.
It should be noted that Magnetic Sensor 46 is one of determination part.As determination part, in addition to this example it is also possible toFor illuminating part is installed and in the opposing party's installation light accepting part come detecting distance by the side in slide block 42 or scaffold 11Optical position sensor or ultrasonic sensor etc..Particularly preferably a side is installed on infrastructural frame 12, the opposing party is pacifiedIt is loaded on slide block 42.And, these sensors preferably respectively with the first ball-screw 43a, the second ball-screw 43b, the 3rd rollingThe bearing position of ballscrew 43c and the 4th ball-screw 43d is accordingly installed.Or it is also possible to compiled by motor (not shown)The anglec of rotation of motor is scaled path increment by code device etc., is used together test position in detail with Magnetic Sensor 46.
And, on the scaffold 11 of the side of slide block 42 with the first Magnetic Sensor 46a, the second Magnetic Sensor 46b,Three Magnetic Sensor 46c and the 4th Magnetic Sensor 46d are arranged as opposed to impart the first magnetic scale 47a, second magnetic scale of magnetic scale47b, the 3rd magnetic scale 47c and the 4th magnetic scale 47d.
And, at least in the first ball-screw 43a, the second ball-screw 43b, the 3rd ball-screw 43c and the 4th ballBar 48 is provided with one of leading screw 43d.Bar 48 is moved together with workbench 41, slide block 42 and ball-screw 43.In bar 48Lower section configuration limit switch 49.Therefore, in workbench 41, slide block 42, ball-screw 43 and bar 48 amount of movement downwards relativelyIn the case of big or when amount of movement upward is larger, limit switch 49 work is simultaneously it is possible to notify that dangerous.
Then, the control system of the three-dimensional moulding device 1 of present embodiment is described.
Fig. 5 is the figure of the control system of three-dimensional moulding device 1 representing present embodiment.
As shown in figure 5, in the three-dimensional moulding device 1 of present embodiment, control unit 50 is based on from input unit 51, the first magneticIt is respective that sensor 46a, the second Magnetic Sensor 46b, the 3rd Magnetic Sensor 46c, the 4th Magnetic Sensor 46d and storage part 52 inputSignal come independent control the first drive division 45a, the second drive division 45b, the 3rd drive division 45c and fourth drive part 45d.
Input unit 51 exports the information such as shaping form, forming pressure, forming speed in advance.Storage part 52 stores from input unitThe information of 51 inputs and moulding operation etc., export these information to control unit 50.First Magnetic Sensor 46a, the second Magnetic Sensor46b, the 3rd Magnetic Sensor 46c and the 4th Magnetic Sensor 46d respectively according to the first relative magnetic scale 47a, the second magnetic scale 47b,The scale of three magnetic scale 47c and the 4th magnetic scale 47d is measuring respective displacement or speed etc., and exports to control unit 50.
First drive division 45a, the second drive division 45b, the 3rd drive division 45c and fourth drive part 45d preferably by electric current,The signal such as rotating speed and rotating torques feeds back to control unit 50.
Then, the work of the three-dimensional moulding device 1 of present embodiment is described.
Fig. 6～Fig. 9 is the enlarged drawing of the work in work bench for modeling portion of the three-dimensional moulding device representing present embodiment.
In the three-dimensional moulding device 1 of present embodiment, first, drive each drive division 45 shown in Fig. 4, as shown in Figure 6As so that workbench 41 is moved downwards.As long as the instruction input unit 51 shown in advance to Fig. 5 for the amount of movement of workbench 41 is defeatedEnter and be stored in storage part 52.
Here, in the three-dimensional moulding device 1 of present embodiment, in the finger making workbench 41 movement be stored in storage part 52Show the period of amount of movement, input the first drive division 45a, the second drive division 45b, the 3rd drive division 45c and the 4th to control unit 50The signals such as the electric current of drive division 45d, rotating speed and rotating torques and from the first Magnetic Sensor 46a, the second Magnetic Sensor 46b,The mensure signal of the 3rd Magnetic Sensor 46c and the 4th Magnetic Sensor 46d.
Control unit 50 separately controls the first drive division 45a, the second drive division 45b, the 3rd drive according to these signalsDynamic portion 45c and fourth drive part 45d, workbench 41 is controlled into set attitude.It should be noted that in present embodimentIn, workbench 41 is controlled into level.
Then, discharge metal dust M from discharge unit 31b of powder accumulating part 31 is to workbench 41.Then, by shakeouingMetal dust M is equably shakeout on workbench 41 in the way of surface becomes level by portion 32.Then, the energy shown in Fig. 1Beam exposure portion 2 irradiation energy beam EB, sintering metal powder M form a part of moulder M ' as shown in Figure 7.
Then, drive each drive division 45 shown in Fig. 4 again, so that workbench 41 is moved downwards as shown in Figure 8.As long as input unit 51 shown in advance to Fig. 5 for the amount of movement of workbench 41 inputs and is stored in storage part 52.
Here, as previously, in the three-dimensional moulding device 1 of present embodiment, being stored in making workbench 41 movementThe period of the instruction amount of movement of storage part 52, input the first drive division 45a, the second drive division 45b, the 3rd driving to control unit 50The signals such as the electric current of portion 45c and fourth drive part 45d, rotating speed and rotating torques and from the first Magnetic Sensor 46a, secondMagnetic Sensor 46b, the mensure signal of the 3rd Magnetic Sensor 46c and the 4th Magnetic Sensor 46d.
Control unit 50 separately controls the first drive division 45a, the second drive division 45b, the 3rd drive according to these signalsDynamic portion 45c and fourth drive part 45d, workbench 41 is controlled into set attitude.It should be noted that in present embodimentIn, workbench 41 is controlled into level.
Then, discharge metal dust M from discharge unit 31b of powder accumulating part 31 is to workbench 41.Then, by shakeouingMetal dust M is equably shakeout on workbench 41 in the way of surface becomes level by portion 32.Then, the energy shown in Fig. 1Beam exposure portion 2 irradiation energy beam EB, sintering metal powder M as shown in Figure 9, form a part of moulder M '.
Figure 10 is the figure of the state that the three-dimensional moulding device representing by present embodiment to form moulder.
By making the three-dimensional moulding device of present embodiment work as shown in figs. 6-9, as shown in Figure 10 thatSample forms moulder M '.
So, the first drive division 45a, the second drive division 45b, the 3rd drive division 45c and 4 wheel driven are separately configuredDynamic portion 45d, therefore, it is possible to be set to many forms by the attitude of workbench 41 such that it is able to form multiple moulder M '.
And, due to can separately control the first drive division 45a, the second drive division 45b, the 3rd drive division 45cAnd fourth drive part 45d, workbench 41 is controlled into set attitude, it is possible to accurately forming other kinds of mouldingThing M '.
And, control unit 50 separately controls the first drive division 45a, the second drive division 45b, the 3rd drive division 45cAnd fourth drive part 45d, workbench 41 is controlled into level, therefore, it is possible to form the moulder M ' of higher precision.
Figure 11 is the figure of the three-dimensional moulding device of the other embodiment representing the present invention.Figure 12 is to represent other embodiment partyThe skeleton diagram of the configuration of driving transfer part of the three-dimensional moulding device of formula.
In the other embodiment of three-dimensional moulding device 1 shown in Figure 11 and Figure 12, under the central authorities of workbench 41Side's configuration the 5th drive division 45e, the 5th reduction part 44e and the 5th ball-screw 43e.And it is preferred that all independently controlFive each drive divisions 45 of system.
So, five positions, workbench 41 is supported, be driven using five drive divisions 45, thus, it is possible to enterOne step accurately forms moulder M '.Further, it is possible to more precisely the levelness of maintenance work platform 41 is such that it is able to formThe moulder M ' of higher precision.And, high weight, large-area large-scale moulder can be placed.
Figure 13 is the skeleton diagram of the configuration of driving transfer part of the three-dimensional moulding device representing other embodiment.
In the other embodiment of three-dimensional moulding device 1 shown in Figure 13, configure a first ball-screw 43a.AndAnd, preferably a drive division 45 (not shown) is controlled.
So, a position, workbench 41 is supported, be driven using a drive division 45 (not shown), byThis can reduce the number of ball-screw 43, reduction part 44 and drive division 45, can form moulder M ' with low cost.
It should be noted that the first ball-screw 43a of supporting table 41 is configured at the position of centre of gravity of workbench 41When, workbench 41 is stable, is therefore preferred.
Figure 14 is the skeleton diagram of the configuration of driving transfer part of the three-dimensional moulding device representing other embodiment.
In the other embodiment of three-dimensional moulding device 1 shown in Figure 14, configure at least two first ball-screw 43aAnd the second ball-screw 43b.And, preferably whole independently controlled two each drive divisions 45 (not shown).
So, two positions, workbench 41 is supported, be driven using two drive divisions 45 (not shown), byThis can reduce the number of ball-screw 43, reduction part 44 and drive division 45, can form moulder M ' with low cost.
It should be noted that to link the first ball-screw 43a of supporting table 41 and the second ball-screw 43bWhen the mode of the center of gravity that straight line comprises workbench 41 configures the first ball-screw 43a and the second ball-screw 43b, workbench 41 is steadyFixed, it is therefore preferred.
Figure 15 is the skeleton diagram of the configuration of driving transfer part of the three-dimensional moulding device representing other embodiment.
In the other embodiment of three-dimensional moulding device 1 shown in Figure 15, to roll with the first ball-screw 43a and secondThe mode that ballscrew 43b forms triangle configures the 3rd ball-screw 43c.And it is preferred that whole is independently controlledThree each drive divisions 45 (not shown).
So, three positions, workbench 41 is supported, be driven using three drive divisions 45 (not shown), byThis plane determines and stable, and can reduce the number of ball-screw 43, reduction part 44 and drive division 45, can be with low costForm moulder M '.
It should be noted that with the first ball-screw 43a, the second ball-screw 43b and the 3rd by supporting table 41The triangle that ball-screw 43c is formed comprises the mode of the center of gravity of workbench 41, configuration the first ball-screw 43a, the second ballDuring leading screw 43b and the 3rd ball-screw 43c, workbench 41 is stable, is therefore preferred.
Figure 16 is the skeleton diagram of the construction of driving transfer part of the three-dimensional moulding device representing present embodiment.
In present embodiment shown in Figure 16, the driving force by drive division 45 makes the threaded portion 432 of ball-screw 43Rotation, makes nut portions 431 move up and down, thus so that workbench 41 is moved up and down via slide block 42.It should be noted that can alsoNut portions 431 are directly linked with workbench 41.
Nut portions 431 receive nut 431a in inner side, and the housing 431b in outside is fixed on slide block 42.Nut 431a with respect toHousing 431b can rotate.Slide block 42 is up fixed in the way of can rotating in threaded portion 432, in the underface of slide block 42It is threadedly engaged with nut 431a, link with decelerator 44 via shaft coupling in lower section.And, threaded portion 432 insertion splined nut433, this splined nut 433 is fixed on infrastructural frame 12.
The driving force producing from drive division 45 makes threaded portion 432 rotate via reduction part 44.When threaded portion 432 rotates,The nut 431a rotation of nut portions 431.Nut portions 431 can move up and down along threaded portion 432, therefore rotates in nut 431aWhen, slide block 42 moves up and down, and workbench 41 moves up and down.
Figure 17 is the skeleton diagram of the construction of driving transfer part of the three-dimensional moulding device representing other embodiment.
In embodiment shown in Figure 17, the driving force by drive division 45 makes the threaded portion 432 of ball-screw 43 revolveTurn, so that nut portions 431 is moved up and down, so that movable framework 411 is moved up and down, make workbench 41 via bar 412 and slide block 42Move up and down.It should be noted that bar 412 directly can also be linked with workbench 41.
Nut portions 431 receive nut 431a in inner side, and the housing 431b in outside is integratedly installed on movable framework 411.Spiral shellScaffold 11 is up fixed in line portion 432, the movable framework of insertion 411, with nut 431a spiral shell immediately below movable framework 411Line engages, and links with decelerator 44 via shaft coupling in lower section.
The driving force producing from drive division 45 makes threaded portion 432 rotate via reduction part 44.When threaded portion 432 rotates,The nut 431a rotation of nut portions 431.Nut portions 431 can move up and down along threaded portion 432, therefore rotates in nut 431aWhen, via movable framework 411 and bar 412, slide block 42 moves up and down, and workbench 41 moves up and down.
Figure 18 is the skeleton diagram of the construction of driving transfer part of the three-dimensional moulding device representing other embodiment.
In embodiment shown in Figure 18, the driving force by drive division 45 makes the nut 431a of nut portions 431 rotate,So that the threaded portion 432 of ball-screw 43 is moved up and down, thus so that workbench 41 is moved up and down via slide block 42.Need explanationIt is it is also possible to directly link threaded portion 432 with workbench 41.
Nut portions 431 receive nut 431a in inner side, and the housing 431b in outside is fixed on nut support portion 41b and can not go upLower motion, this nut support portion 41b is fixed on infrastructural frame 12.Nut 431a can rotate with respect to housing 431b.Threaded portion432 are up fixed on workbench 41 in the way of can rotating, and are threadedly engaged with nut 431a in lower section.And, threaded portion432 insertion splined nuts 433, this splined nut 433 is fixed on infrastructural frame 12.
First pulley 401 is fixed with the output shaft 44a of reduction part 44.Nut 431a is fixed with second pulley402.First pulley 401 and second pulley 402 are linked by linking belt 401.Second pulley 402 and the nut 431a of nut portions 431Rotate together, make threaded portion 432 insertion.
The driving force producing from drive division 45 exports to first pulley 401 via the output shaft 44a of reduction part 44.FirstDuring pulley 401 rotation, via linking belt 401, second pulley 402 rotates.When second pulley 402 rotates, nut portions 431Nut 431a rotates.Because nut portions 431 can not move up and down, so when nut 431a rotates, threaded portion is transported about 432Dynamic.Therefore, workbench 41 moves up and down.
Figure 19 is the skeleton diagram of the construction of driving transfer part of the three-dimensional moulding device representing other embodiment.
In embodiment shown in Figure 19, the driving force by drive division 45 makes the nut 431a of nut portions 431 rotate,So that the nut portions 431 of ball-screw 43 is moved up and down with respect to threaded portion 432, so that movable framework 411 is moved up and down, viaBar 412 and slide block 42 and so that workbench 41 is moved up and down.It should be noted that bar 412 directly can also be connected with workbench 41Knot.
Nut portions 431 receive nut 431a in inner side, and the housing 431b in outside is fixed on nut support portion 41b, integratedlyIt is installed on movable framework 411, this nut support portion 41b is fixed on movable framework 411.And, drive division 45 and reduction part 44Integratedly it is installed on movable framework 411, move up and down together with movable framework 411.
Scaffold 11 is up fixed in threaded portion 432, is threadedly engaged with nut 431a in lower section.And, threaded portion432 insertion splined nuts 433, this splined nut 433 is fixed on movable framework 411.
First pulley 401 is fixed on the output shaft 44a of reduction part 44.Second pulley 402 is fixed on nut 431a.TheOne pulley 401 and second pulley 402 are linked by linking belt 401.Second pulley 402 is revolved together with the nut 431a of nut portions 431Turn, make threaded portion 432 insertion.
The driving force producing from drive division 45 exports to first pulley 401 via the output shaft 44a of reduction part 44.FirstDuring pulley 401 rotation, via linking belt 401, second pulley 402 rotates.When second pulley 402 rotates, nut portions 431Nut 431a rotates.When nut 431a rotates, because threaded portion 432 can not move up and down, so nut 431a moves up and down.Therefore, movable framework 411 is moved up and down together with nut portions 431, and the slide block 42 being linked by bar 412 and workbench are transported about 41Dynamic.
Figure 20 is the skeleton diagram of the construction of driving transfer part of the three-dimensional moulding device representing other embodiment.
In embodiment shown in Figure 20, as drive division 45, using the direct drive motor of hollow, make nut 431aRotation, makes the threaded portion 432 of ball-screw 43 move up and down, thus so that workbench 41 is moved up and down via slide block 42.NeedBright is it is also possible to directly link threaded portion 432 with workbench 41.
Drive division 45 using hollow direct drive motor come drive nut 431a, make threaded portion 432 run through center.
Nut portions 431 receive nut 431a in inner side, can not fix in the way of moving up and down with respect to infrastructural frame 12In infrastructural frame 12.Nut 431a can rotate with respect to housing 431b.Threaded portion 432 is up solid in the way of can rotatingDue to workbench 41, it is threadedly engaged with nut 431a in lower section.
In drive division 45 produces driving force, the nut 431a rotation of nut portions 431.Nut portions 431 can not move up and down,Therefore when nut 431a rotates, threaded portion 432 moves up and down.Therefore, workbench 41 moves up and down.
Figure 21 is the skeleton diagram of the construction of driving transfer part of the three-dimensional moulding device representing other embodiment.
In embodiment shown in Figure 21, as drive division 45, using the direct drive motor of hollow, make nut 431aRotation, makes the threaded portion 432 of ball-screw 43 move up and down, so that movable framework 411 is moved up and down, via bar 412 and cunningBlock 42 makes workbench 41 move up and down.It should be noted that bar 412 directly can also be linked with workbench 41.
Drive division 45 using hollow direct drive motor come drive nut 431a, make threaded portion 432 run through center.
Nut portions 431 receive nut 431a in inner side, and the housing 431b in outside is fixing with respect to movable framework 411.Nut431a can rotate with respect to housing 431b.Framework 11 is up fixed in threaded portion 432, connects with nut 431a screw thread in lower sectionClose.
In drive division 45 produces driving force, the nut 431a rotation of nut portions 431.With regard to nut portions 431, in nutDuring 431a rotation, nut 431a moves up and down along threaded portion 432.Therefore, movable framework 411 is upper and lower together with nut portions 431Motion, the slide block 42 being linked by bar 412 and workbench 41 move up and down.
Here, the control system in the configuration of driving transfer part of the three-dimensional moulding device 1 of other embodiment and constructionCan be identical with illustrated in fig. 5.
According to the three-dimensional moulding device 1 of present embodiment, possess scaffold 11, material supply unit 3 and moulder and placePortion 4, previous materials supply unit 3 is supported on scaffold 11, and aforementioned moulder placement section 4 is supported on scaffold 11, for from materialThe material of material supply unit 3 supply is placed, and moulder placement section 4 has workbench 41, drive division 45, determination part 46 and control unit50, aforementioned operation platform 41 places moulder in upper surface, and aforementioned drive division 45 drives workbench 41, and aforementioned determination part 46 measures workThe position of station 41, the measured value based on determination part 46 for the aforementioned control unit 50 controlling drive division 45, therefore, it is possible to provide one kindPrecision and the high three-dimensional moulding device of productivity ratio.
The three-dimensional moulding device 1 of present embodiment possesses input unit 51 and storage part 52, and aforementioned input unit 51 pre-entersThe instruction amount of movement of workbench 41, aforementioned storage part 52 stores the instruction amount of movement from input unit 41 input, and control unit 50 makes workStation 41 movement is stored in the instruction amount of movement of storage part 52, therefore, it is possible to be controlled exactly.
In the three-dimensional moulding device 1 of present embodiment, control unit 50, by the status signal of feedback drive division 45, therefore canEnough more precisely it is controlled.
Drive division 45 has the first drive division 45a that can independently drive and the second drive division 45b, and determination part 46 has pointNot Ce Ding workbench 41 position the first Magnetic Sensor 46a and the second Magnetic Sensor 46b, control unit 50 be based on first magnetic sensingEach measured value of device 46a and the second Magnetic Sensor 46b separately to control the first drive division 45a and the second drive division 45b,Therefore, it is possible to provide a kind of precision and the high three-dimensional moulding device of productivity ratio.
And, the three-dimensional moulding device 1 of present embodiment is also equipped with transfer part 43, this transfer part 43 has the first drivingThe first ball-screw 43a and the second ball-screw that each driving force of portion 45a and the second drive division 45b is transmitted respectively to slide block 4243b, therefore, it is possible to make workbench 41 swimmingly move.
In the three-dimensional moulding device 1 of present embodiment, the first Magnetic Sensor 46a and the second Magnetic Sensor 46b are right respectivelyShould configure in the bearing position of workbench 41 and the first ball-screw 43a and the second ball-screw 43b, therefore, it is possible to more high-precisionIt is controlled degree.
In the three-dimensional moulding device 1 of present embodiment, drive division 45 has the of the position configuration forming quadrangleOne drive division 45a, the second drive division 45b, the 3rd drive division 45c and fourth drive part 45d, transfer part 43 has the first drivingThe driving force of portion 45a, the second drive division 45b, the 3rd drive division 45c and fourth drive part 45d transmit to workbench 41 firstBall-screw 43a, the second ball-screw 43b, the 3rd ball-screw 43c and the 4th ball-screw 43d, control unit 50 can be distinguishedIndependently controlled first drive division 45a, the second drive division 45b, the 3rd drive division 45c and fourth drive part 45d, therefore, it is possible to moreAccurately it is controlled.
The three-dimensional moulding device 1 of present embodiment possesses bar 48 and limit switch 49, and aforementioned rod 48 is together with workbench 41Mobile, aforementioned limit switch 49 comes in contact when bar 48 reaches set position, therefore, it is possible to prevent the excessive of workbench 41Movement.
It should be noted that the present invention is not limited to present embodiment.That is, in the explanation of embodiment, for exampleShow and contain many specifically detailed contents but it is also possible to add various modifications or change in these detailed contents.
Description of reference numerals
1 ... three-dimensional moulding device；
11 ... scaffolds；
12 ... infrastructural frames（Scaffold）；
2 ... energy beam irradiation portions（Material supply unit）；
21 ... beam generating units；
22 ... beam scanner sections；
3 ... powder supply units（Material supply unit）；
31 ... powder accumulating parts；
32 ... shakeout portion；
33 ... outer frames；
4 ... moulder placement sections；
41 ... workbench；
42 ... slide blocks；
43 ... ball-screws（Transfer part）；
44 ... reduction part（Transfer part）；
45 ... drive divisions；
46 ... Magnetic Sensors（Determination part）；
47 ... magnetic scales（Determination part）；
48 ... bars；
49 ... limit switches；
50 ... control units；
51 ... input units；
52 ... storage parts.