CN106180714A - Downstriker powder feed system - Google Patents

Downstriker powder feed system Download PDF

Info

Publication number
CN106180714A
CN106180714A CN201610712385.3A CN201610712385A CN106180714A CN 106180714 A CN106180714 A CN 106180714A CN 201610712385 A CN201610712385 A CN 201610712385A CN 106180714 A CN106180714 A CN 106180714A
Authority
CN
China
Prior art keywords
powder
feeding storehouse
powder feeding
forming bin
guide rail
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610712385.3A
Other languages
Chinese (zh)
Other versions
CN106180714B (en
Inventor
杨振宇
丑西平
罗恒
张虎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzheng Machinery Factory China Aerospace Science and Technology Corp
Original Assignee
Changzheng Machinery Factory China Aerospace Science and Technology Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changzheng Machinery Factory China Aerospace Science and Technology Corp filed Critical Changzheng Machinery Factory China Aerospace Science and Technology Corp
Priority to CN201610712385.3A priority Critical patent/CN106180714B/en
Publication of CN106180714A publication Critical patent/CN106180714A/en
Application granted granted Critical
Publication of CN106180714B publication Critical patent/CN106180714B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20—Direct sintering or melting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/10—Formation of a green body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/30—Platforms or substrates
    • B22F12/33—Platforms or substrates translatory in the deposition plane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/40—Radiation means
    • B22F12/49—Scanners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/50—Means for feeding of material, e.g. heads
    • B22F12/52—Hoppers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/90—Means for process control, e.g. cameras or sensors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Transmission Devices (AREA)

Abstract

The invention discloses a kind of downstriker powder feed system, including being provided with forming bin in the middle part of pedestal, pedestal, forming bin is respectively provided on two sides with a powder feeding storehouse, and powder feeding storehouse is respectively equipped with a storage powder bottle away from the side in formable layer storehouse；Forming bin, powder feeding storehouse, storage powder bottle are arranged side by side and close-packed arrays, and pedestal is provided with the power spreading device of circulation paving powder between two storage powder bottles；Described powder feeding storehouse, the equal upper end of forming bin are uncovered and concordant, powder feeding storehouse inner bottom part is provided with movable floor, the double guide pillar linear motion units driving movable floor to move up and down it are provided with below powder feeding storehouse, it is provided with the two degrees of freedom fine adjustment stage of level in described forming bin, is provided with below forming bin and drives its double guide rail linear motion units moved up and down.The present invention changes the unidirectional once paving powder in cycle of operation into two-way twice paving powder, is effectively increased the forming efficiency of 3D printing device.And, the structure member of increase is still suitable on legacy equipment, very convenient to the upgrading of retrospective installation.

Description

Downstriker powder feed system
Technical field
The present invention relates to a kind of powder feeding mechanism, particularly relate to a kind of downstriker powder feed system.
Background technology
Selective laser melting technology (SLM, Selective laser melting) is the one increasing material manufacturing technology, Be metal dust be completely melt under the heat effect of laser beam, cooled solidification and a kind of technology of molding.Along with 3D prints skill Constantly innovation and the diversified development of printed material of art, this new technique be widely used in industrial circle, military field, Medical domain and consumer field.
Several big system composition of SLM type laser 3D printing device includes: laser scanning system, atmosphere control system, send paving Powder system etc..Paving powder system is sent directly to determine equipment availability efficiency and forming accuracy as one of Major Systems composition.
Different according to powder feeding motion mode, main flow automatic powder feeding system is roughly divided into up powder feeding and the big class of descending powder feeding two: powder Storehouse is arranged on above paving powder scraper and powder motion from top to bottom in powder cabin is up powder feeding, otherwise is then descending powder feeding. The powder feed system using descending automatic powder feeding system is generally unidirectional paving powder, i.e. one cycle of operation middle berth powder once, laser scanning one Secondary, therefore forming efficiency ratio is relatively limited.
Under traditional mode, downstriker powder feed system is provided with three powder cabin, and middle for shaping storehouse, both sides are then respectively powder feeding storehouse With receipts powder cabin.Each cycle of operation totally four work steps: first rise on powder feeding storehouse and send a certain amount of powder to work top, then scrape Cutter is moved to receiving powder cabin one end by one end, powder feeding storehouse, and uniform spreading powder is in scanning area, then is set according to program by laser scanning system Surely scanning given area, fusing sintered powder, last scraper adverse movement is back to initial position, completes a cycle of operation.
So, in a cycle of operation, laser scanning system for once scans, and work efficiency is low.
Summary of the invention
The purpose of the present invention is that offer one solves the problems referred to above, is effectively increased the forming efficiency of 3D printing device And the downstriker powder feed system of forming accuracy.
To achieve these goals, the technical solution used in the present invention is such that a kind of downstriker powder feed system, including Being provided with forming bin in the middle part of pedestal, pedestal, forming bin is respectively provided on two sides with a powder feeding storehouse, and powder feeding storehouse is divided away from the side in formable layer storehouse It is not provided with a storage powder bottle；Forming bin, powder feeding storehouse, storage powder bottle are arranged side by side and close-packed arrays, and pedestal is provided with between two storage powder bottles The power spreading device of circulation paving powder；
Described powder feeding storehouse, the equal upper end of forming bin are uncovered and concordant, and powder feeding storehouse inner bottom part is provided with movable floor, and powder feeding is provided with below storehouse Driving double guide pillar linear motion units that movable floor moves up and down, described movable floor outer wall mates with powder feeding storehouse inwall and sliding Dynamic cooperation；It is provided with the two degrees of freedom fine adjustment stage of level in described forming bin, is provided with below forming bin and drives it to move up and down Double guide rail linear motion units, described two degrees of freedom fine adjustment stage outer wall mates with forming bin inwall and is slidably matched.
As preferably: described pair of guide pillar linear motion unit includes the first lead screw pair being vertically arranged, described first leading screw Pair includes that the first leading screw and the first nut, the first nut bottom connect a substrate, and the first leading screw two ends are fixedly connected with level Connecting plate, both sides are provided with vertical linear bearing, described linear bearing and the first leading screw and both pass through substrate, and linear bearing two ends All fixing with fixed plate and be connected, the first lead screw pair side is additionally provided with the first drive mechanism driving nut to rotate.
As preferably: described pair of guide rail linear motion unit includes mounting seat, the second lead screw pair and the support being vertically arranged Frame, described second lead screw pair includes the second leading screw and the second nut, and the second leading screw is positioned at mounting seat one Middle face, at the bottom of the second screw mandrel Portion connects its second drive mechanism rotated of a driving, and the second nut outer cover is connected to a guide rail parallel with mounting seat and connects Plate, is provided with two groups of slide track components between described guide rail splice and mounting seat, described slide track component is symmetrically distributed in the second leading screw two Side, including slide rail and slide block, wherein slide rail is fixed in mounting seat, and slide block is fixed with guide rail splice, and slide block is sliding with slide rail Dynamic cooperation；Guide rail splice top is provided with a push rod, and described push rod top is connected bottom two degrees of freedom fine adjustment stage；
Support frame as described above includes horizonal base plate and the vertical stand being fixed under horizonal base plate, the one side of mounting seat the second leading screw dorsad Fixing with vertical stand, horizonal base plate top has through hole, and push rod can pass from through hole.
As preferably: described first drive mechanism is driven by servomotor pulley drive, belt pulley drives nut rotation； Substrate on described pair of guide pillar linear motion unit is provided with displacement transducer.
As preferably: described second drive mechanism is driven by servomotor pulley drive, is provided with one bottom the second leading screw Pedestal, belt pulley drives pedestal to rotate thus drives the second screw turns, and the guide rail of described pair of guide rail linear motion unit connects Also displacement transducer is had on plate.
As preferably: described storage powder bottle top is provided with funnel, and funnel is concordant with top, powder feeding storehouse, funnel and storage powder Bottle is connected by body.
As preferably: described two degrees of freedom fine adjustment stage includes that upper and lower two-layer, described upper strata are portable plate, and lower floor is fixing Plate, is provided with the ball pivot of three orthogonal thereto distributions of centre of sphere line between portable plate and fixed plate, described ball pivot includes ball seat, spheroid and consolidates The connecting rod being scheduled on spheroid, the ball seat of ball pivot is all connected with portable plate, and wherein the connecting rod of a ball pivot by counter flange and is fixed Plate connect, the connecting rod of remaining ball pivot connects a differential screw feed mechanism, described differential screw feed mechanism through fixed plate with Connecting rod connects.
Compared with prior art, it is an advantage of the current invention that:
Wherein, arranging two degrees of freedom fine adjustment stage in forming bin, two degrees of freedom fine adjustment stage uses differential screw feed mechanism, Feed of every rotation is the most relevant with pitch difference, and unrelated with pitch, and pitch difference can be designed to sufficiently small to ensure high resolution, Under the state of the art, can accomplish that feed of every rotation is less than 0.1mm, and two degrees of freedom fine adjustment stage include a fixing point and Two moving points that can adjust up and down, leveling precision is the highest；
Double guide pillar linear motion units are in addition to building block ball screw and linear bearing, and nonstandard part only has connecting plate and base Plate, and its shape is very simple, therefore population structure is the most simple and reliable, quite convenient for modularity and standardization and cost control System, the most applicable in the occasion having only to guarantee axially-movable precision.
Double guide rail linear motion units have employed two spherical guides and are embedded in the structure of body, due to body stiffness by itself The highest so that push rod not only axially-movable precision is high, and rigidity is also fine in the horizontal direction, is used as forming bin fine setting The drive mechanism of platform meets real work needs very much, and modular structure design is more beneficial for its standardization and big Batch production, other occasion similar in operating mode is the most very useful.
The additionally present invention, compares traditional structure, and native system changes the unidirectional once paving powder in cycle of operation into two-way twice Paving powder, is effectively increased the forming efficiency of 3D printing device.And, the structure member of increase is still suitable on legacy equipment, Very convenient to the upgrading of retrospective installation.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is double guide pillar linear motion units；
Fig. 3 is double guide rail linear motion units；
Fig. 4 is the structural representation of bracing frame in Fig. 3；
Fig. 5 is the top view of two degrees of freedom fine adjustment stage；
Fig. 6 is the front view of two degrees of freedom fine adjustment stage；
Fig. 7 is the sectional view of differential screw feed mechanism in Fig. 6.
In figure: 1, pedestal；2, forming bin；3, powder feeding storehouse；4, storage powder bottle；401, funnel；402, body；5, double guide pillar straight lines Moving cell；501, the first leading screw；502, the first nut；503, substrate；504, connecting plate；505, linear bearing；506, first Drive mechanism；507, displacement transducer；6, double guide rail linear motion units；601, the second leading screw；602, push rod；603, guide rail is even Fishplate bar；604, slide track component；605, mounting seat；606, horizonal base plate；607, vertical stand；7, two degrees of freedom fine adjustment stage；701、 Portable plate；702, fixed plate；703, ball pivot；704, differential screw feed mechanism；705, fixing nut；706, fairlead；707、 Servomotor；708, traveling nut；709, screw rod；710, the gap that disappears nut；711, pad.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Embodiment 1: see Fig. 1 to Fig. 5, a kind of downstriker powder feed system, be provided with forming bin including in the middle part of pedestal 1, pedestal 1 2, forming bin 2 is respectively provided on two sides with a powder feeding storehouse 3, and powder feeding storehouse 3 is respectively equipped with a storage powder bottle 4 away from the side in formable layer storehouse 2；Become Type storehouse 2, powder feeding storehouse 3, storage powder bottle 4 are arranged side by side and close-packed arrays, and pedestal 1 is provided with the paving of circulation paving powder between two storage powder bottles 4 Powder device；
Described powder feeding storehouse 3, the equal upper end of forming bin 2 are uncovered and concordant, and powder feeding storehouse 3 inner bottom part is provided with movable floor, below powder feeding storehouse 3 It is provided with the double guide pillar linear motion units 5 driving movable floor to move up and down, described movable floor outer wall and powder feeding storehouse 3 inwall Join and be slidably matched；It is provided with the two degrees of freedom fine adjustment stage 7 of level in described forming bin 2, is provided with below forming bin 2 and drives on it Double guide rail linear motion units 6 of lower motion, described two degrees of freedom fine adjustment stage 7 outer wall mates with forming bin 2 inwall and slides Coordinate.
In the present embodiment, described pair of guide pillar linear motion unit 5 includes the first lead screw pair being vertically arranged, described first Thick stick pair includes the first leading screw 501 and the first nut 502, and the first nut 502 bottom connects a substrate 503, the first leading screw 501 two ends Being fixedly connected with the connecting plate 504 of level, both sides are provided with vertical linear bearing 505, described linear bearing 505 and the first leading screw 501 both pass through substrate 503, and linear bearing 505 two ends are all fixed with fixed plate 702 and are connected, and the first lead screw pair side is additionally provided with Drive the first drive mechanism 506 that nut rotates；Mounting seat 605 that the described pair of guide rail linear motion unit 6 includes being vertically arranged, Second lead screw pair and bracing frame, described second lead screw pair includes the second leading screw 601 and the second nut, and the second leading screw 601 is positioned at peace Dress seat 605 1 Middle face, connects its second drive mechanism rotated of a driving bottom the second screw mandrel, the second nut outer cover is connected to One guide rail splice 603 parallel with mounting seat 605, is provided with two groups of slide rail groups between described guide rail splice 603 and mounting seat 605 Part 604, described slide track component 604 is symmetrically distributed in the second leading screw 601 both sides, and including slide rail and slide block, wherein slide rail is fixed on In mounting seat 605, slide block is fixed with guide rail splice 603, and slide block is slidably matched with slide rail；Guide rail splice 603 top sets A push rod 602, described push rod 602 top is had to be connected bottom two degrees of freedom fine adjustment stage 7；
Support frame as described above includes horizonal base plate 606 and the vertical stand 607 being fixed under horizonal base plate 606, mounting seat 605 dorsad the The one side of two leading screws 601 is fixed with vertical stand 607, and horizonal base plate 606 top has through hole, and push rod 602 can pass from through hole； Described first drive mechanism 506 drives pulley drive for servomotor 707, and belt pulley drives nut rotation；Described pair of guide pillar Substrate 503 on linear motion unit 5 is provided with displacement transducer 507；Described second drive mechanism is that servomotor 707 drives Pulley drive, is provided with a pedestal bottom the second leading screw 601, belt pulley drives pedestal to rotate thus drives the second leading screw 601 turns Dynamic, the guide rail splice 603 of described pair of guide rail linear motion unit 6 also there is displacement transducer 507；Described storage powder bottle 4 top Being provided with funnel 401, and funnel 401 top is concordant with top, powder feeding storehouse 3, funnel 401 is connected by body 402 with storage powder bottle 4；Institute Stating two degrees of freedom fine adjustment stage 7 and include that upper and lower two-layer, described upper strata are portable plate 701, lower floor is fixed plate 702, portable plate 701 And between fixed plate 702, it being provided with the ball pivot 703 of three orthogonal thereto distributions of centre of sphere line, described ball pivot 703 includes ball seat, spheroid and solid The connecting rod being scheduled on spheroid, the ball seat of ball pivot 703 is all connected with portable plate 701, and wherein the connecting rod of a ball pivot 703 passes through transition method Orchid is connected with fixed plate 702, and the connecting rod of remaining ball pivot 703 connects a differential screw feed mechanism 704, described differential screw feeding Mechanism 704 is connected through fixed plate 702 with connecting rod.
Wherein, described differential screw feed mechanism 704 includes fixing nut 705, fairlead 706, servomotor 707, lives Dynamic nut 708 and screw rod 709, wherein, fixing nut 705 is connected fixing with fairlead 706 with screw, the company of servomotor 707 Acting flange is connected fixing with fixing nut 705, and traveling nut 708 then only limits it with flat key in fairlead 706 and relatively rotates, Can move in the axial direction in fairlead 706 hole, screw rod 709 two ends screw thread respectively with fixing nut 705 and activity The female thread of nut 708 screws, and with disappearing gap nut 710 and pad 711 eliminates backlass when it screws, in screw rod 709 Hole is provided with keyway, is slidably matched with servomotor 707 axle and key.Traveling nut 708 other end then connects ball pivot with studs 703, conveniently it is connected with other loads；The fairlead 706 of differential screw feed mechanism 704 then portable plate 701 with platform passes through Screw connects；
When the screw rod 709 that servomotor 707 drives feed mechanism rotates, the traveling nut 708 of differential screw mechanism just may be used To drive ball pivot 703 to move up and down, and then change the level inclination of platform activity plate 701, to reach the purpose of leveling；
As a example by right-handed thread, fixing nut 705 is fixed, over the ground when servomotor 707 drives spiral shell after being connected with servomotor 707 When bar 709 turns clockwise, screw rod 709 screws with fixing nut 705 and relative its moves up, meanwhile, and movable screw Female 708 screw with screw rod 709 and relative its moves down.So, the displacement over the ground of the reality of traveling nut 708 is just by the two phase Forming moving superimposed on, i.e. as it was previously stated, screw rod 709 often rotates a circle, the real axis displacement of traveling nut 708 is fixing spiral shell Mother 705 and the difference of traveling nut 708 pitch, if difference is just, then move up, and difference is negative, then move down.
The each cycle of operation of the present invention totally six work steps: powder feeding storehouse 3, side rises sends a certain amount of powder to work top, Then the scraper of power spreading device moves paving powder to opposite side powder feeding storehouse 3, and excessive powder is collected by receiving powder bottle, then by laser scanning also Fusing powder, then, powder feeding storehouse 3 rises sends powder to work top, and scraper adverse movement paving powder is back to initial position, and by Receive powder bottle and collect excessive powder, laser alignment rescan, complete a cycle of operation.So, in a cycle of operation, laser is swept The system of retouching has twice sweep, is effectively improved work efficiency.

Claims (7)

1. a downstriker powder feed system, it is characterised in that: including being provided with in the middle part of pedestal, pedestal forming bin, forming bin both sides are divided Not being provided with a powder feeding storehouse, powder feeding storehouse is respectively equipped with a storage powder bottle away from the side in formable layer storehouse；Forming bin, powder feeding storehouse, storage powder bottle Being arranged side by side and close-packed arrays, pedestal is provided with the power spreading device of circulation paving powder between two storage powder bottles；
Described powder feeding storehouse, the equal upper end of forming bin are uncovered and concordant, and powder feeding storehouse inner bottom part is provided with movable floor, and powder feeding is provided with below storehouse Driving double guide pillar linear motion units that movable floor moves up and down, described movable floor outer wall mates with powder feeding storehouse inwall and sliding Dynamic cooperation；It is provided with the two degrees of freedom fine adjustment stage of level in described forming bin, is provided with below forming bin and drives it to move up and down Double guide rail linear motion units, described two degrees of freedom fine adjustment stage outer wall mates with forming bin inwall and is slidably matched.
Downstriker powder feed system the most according to claim 1, it is characterised in that: described pair of guide pillar linear motion unit includes The first lead screw pair being vertically arranged, described first lead screw pair includes that the first leading screw and the first nut, the first nut bottom connect one Substrate, the first leading screw two ends are fixedly connected with the connecting plate of level, and both sides are provided with vertical linear bearing, described linear bearing and First leading screw both passes through substrate, and linear bearing two ends are all fixed with fixed plate and are connected, and the first lead screw pair side is additionally provided with driving The first drive mechanism that nut rotates.
Downstriker powder feed system the most according to claim 1, it is characterised in that: described pair of guide rail linear motion unit includes Mounting seat, the second lead screw pair and the bracing frame being vertically arranged, described second lead screw pair includes the second leading screw and the second nut, second Leading screw is positioned at mounting seat one Middle face, connects its second drive mechanism rotated of a driving, outside the second nut bottom the second screw mandrel Portion is socketed with a guide rail splice parallel with mounting seat, is provided with two groups of slide track components between described guide rail splice and mounting seat, Described slide track component is symmetrically distributed in the second leading screw both sides, and including slide rail and slide block, wherein slide rail is fixed in mounting seat, slide block Fix with guide rail splice, and slide block is slidably matched with slide rail；Guide rail splice top is provided with a push rod, described push rod top with Connect bottom two degrees of freedom fine adjustment stage；
Support frame as described above includes horizonal base plate and the vertical stand being fixed under horizonal base plate, the one side of mounting seat the second leading screw dorsad Fixing with vertical stand, horizonal base plate top has through hole, and push rod can pass from through hole.
Downstriker powder feed system the most according to claim 2, it is characterised in that: described first drive mechanism is servomotor Driving pulley drive, belt pulley drives nut rotation；Substrate on described pair of guide pillar linear motion unit is provided with displacement and passes Sensor.
Downstriker powder feed system the most according to claim 3, it is characterised in that: described second drive mechanism is servomotor Driving pulley drive, be provided with a pedestal bottom the second leading screw, belt pulley drives pedestal to rotate thus drives the second screw turns, Also displacement transducer is had on the guide rail splice of described pair of guide rail linear motion unit.
Downstriker powder feed system the most according to claim 1, it is characterised in that: described storage powder bottle top is provided with funnel, and Funnel is concordant with top, powder feeding storehouse, and funnel is connected by body with storage powder bottle.
Downstriker powder feed system the most according to claim 1, it is characterised in that: described two degrees of freedom fine adjustment stage includes Lower two-layer, described upper strata is portable plate, and lower floor is fixed plate, is provided with orthogonal thereto point of three centre of sphere lines between portable plate and fixed plate The ball pivot of cloth, described ball pivot includes ball seat, spheroid and the connecting rod being fixed on spheroid, and the ball seat of ball pivot is all connected with portable plate, Wherein the connecting rod of a ball pivot is connected with fixed plate by counter flange, and the connecting rod of remaining ball pivot connects a differential screw feeding machine Structure, described differential screw feed mechanism is connected through fixed plate with connecting rod.
CN201610712385.3A 2016-08-24 2016-08-24 Downstriker powder feed system Active CN106180714B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610712385.3A CN106180714B (en) 2016-08-24 2016-08-24 Downstriker powder feed system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610712385.3A CN106180714B (en) 2016-08-24 2016-08-24 Downstriker powder feed system

Publications (2)

Publication Number Publication Date
CN106180714A true CN106180714A (en) 2016-12-07
CN106180714B CN106180714B (en) 2018-09-18

Family

ID=57524957

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610712385.3A Active CN106180714B (en) 2016-08-24 2016-08-24 Downstriker powder feed system

Country Status (1)

Country Link
CN (1) CN106180714B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108405859A (en) * 2018-04-25 2018-08-17 金华市盛志科技服务有限公司 A kind of multi link formula stepping power metallurgy equipment
CN109732469A (en) * 2019-03-13 2019-05-10 烟台工程职业技术学院(烟台市技师学院) A kind of novel agitating friction increasing material manufacturing machine
CN110899699A (en) * 2019-12-22 2020-03-24 安徽哈特三维科技有限公司 Selective laser melting device for machining forming die
CN111097909A (en) * 2020-01-10 2020-05-05 西安朗悦智能科技有限公司 Lifting device with variable cylinder diameter
CN111940733A (en) * 2020-07-20 2020-11-17 北京科技大学 Device and method for removing splashed oxide and compensating powder supply in selective laser melting process
CN113369895A (en) * 2021-05-31 2021-09-10 西安交通大学 Five-axis material increasing and decreasing composite manufacturing equipment for powder bed
WO2022041354A1 (en) * 2020-08-24 2022-03-03 江苏大学 Additive and subtractive manufacturing device and additive and subtractive composite manufacturing method

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011127195A (en) * 2009-12-18 2011-06-30 Amada Co Ltd Apparatus for producing 3-dimensional shaped article
CN203209690U (en) * 2013-04-27 2013-09-25 余振新 Longitudinal movement device for selective laser sintering forming platform
CN103862045A (en) * 2014-03-13 2014-06-18 湖南华曙高科技有限责任公司 Powder supplying and spreading method of quick forming equipment
CN103949636A (en) * 2014-05-05 2014-07-30 湖南华曙高科技有限责任公司 Rapid laser forming device and method thereof
CN105039970A (en) * 2015-07-02 2015-11-11 西安交通大学 Dual-beam laser selective melting and moulding equipment with exchangeable powder cylinder
CN204799942U (en) * 2015-07-28 2015-11-25 昆明七零五所科技发展总公司 Laser sintering 3D printer
CN204818062U (en) * 2015-07-06 2015-12-02 山西省交通科学研究院 Nearly clean former of laser based on parallel mechanism
CN205393539U (en) * 2016-02-22 2016-07-27 上海拓宝机电科技有限公司 Selectivity laser sintering shaping jar and selectivity laser sintering forming device
CN205437144U (en) * 2016-03-01 2016-08-10 湖南华曙高科技有限责任公司 Be used for making three -dimensional body equipment and cylinder body drive arrangement thereof
CN105855547A (en) * 2016-06-07 2016-08-17 青岛前哨精密机械有限责任公司 Automatic micro-motion leveling system for 3D printer base plate

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011127195A (en) * 2009-12-18 2011-06-30 Amada Co Ltd Apparatus for producing 3-dimensional shaped article
CN203209690U (en) * 2013-04-27 2013-09-25 余振新 Longitudinal movement device for selective laser sintering forming platform
CN103862045A (en) * 2014-03-13 2014-06-18 湖南华曙高科技有限责任公司 Powder supplying and spreading method of quick forming equipment
CN103949636A (en) * 2014-05-05 2014-07-30 湖南华曙高科技有限责任公司 Rapid laser forming device and method thereof
CN105039970A (en) * 2015-07-02 2015-11-11 西安交通大学 Dual-beam laser selective melting and moulding equipment with exchangeable powder cylinder
CN204818062U (en) * 2015-07-06 2015-12-02 山西省交通科学研究院 Nearly clean former of laser based on parallel mechanism
CN204799942U (en) * 2015-07-28 2015-11-25 昆明七零五所科技发展总公司 Laser sintering 3D printer
CN205393539U (en) * 2016-02-22 2016-07-27 上海拓宝机电科技有限公司 Selectivity laser sintering shaping jar and selectivity laser sintering forming device
CN205437144U (en) * 2016-03-01 2016-08-10 湖南华曙高科技有限责任公司 Be used for making three -dimensional body equipment and cylinder body drive arrangement thereof
CN105855547A (en) * 2016-06-07 2016-08-17 青岛前哨精密机械有限责任公司 Automatic micro-motion leveling system for 3D printer base plate

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108405859A (en) * 2018-04-25 2018-08-17 金华市盛志科技服务有限公司 A kind of multi link formula stepping power metallurgy equipment
CN109732469A (en) * 2019-03-13 2019-05-10 烟台工程职业技术学院(烟台市技师学院) A kind of novel agitating friction increasing material manufacturing machine
CN110899699A (en) * 2019-12-22 2020-03-24 安徽哈特三维科技有限公司 Selective laser melting device for machining forming die
CN110899699B (en) * 2019-12-22 2022-02-15 安徽哈特三维科技有限公司 Selective laser melting device for machining forming die
CN111097909A (en) * 2020-01-10 2020-05-05 西安朗悦智能科技有限公司 Lifting device with variable cylinder diameter
CN111940733A (en) * 2020-07-20 2020-11-17 北京科技大学 Device and method for removing splashed oxide and compensating powder supply in selective laser melting process
WO2022041354A1 (en) * 2020-08-24 2022-03-03 江苏大学 Additive and subtractive manufacturing device and additive and subtractive composite manufacturing method
GB2601455A (en) * 2020-08-24 2022-06-01 Univ Jiangsu Additive and subtractive manufacturing device and additive and subtractive composite manufacturing method
GB2601455B (en) * 2020-08-24 2022-10-12 Univ Jiangsu Device for additive and subtractive manufacturing, and methof for additive and subtractive composite manufacturing using same
CN113369895A (en) * 2021-05-31 2021-09-10 西安交通大学 Five-axis material increasing and decreasing composite manufacturing equipment for powder bed

Also Published As

Publication number Publication date
CN106180714B (en) 2018-09-18

Similar Documents

Publication Publication Date Title
CN106180714A (en) Downstriker powder feed system
CN106041513B (en) Multiple degrees of freedom bay section pose adjusting means
CN108311698B (en) Multi-dimensional printing platform of metal 3D printer and adjustment and printing method
CN107855745B (en) A kind of suspension type aero-engine principal unit centered assembling mechanical system
CN204097568U (en) A kind of multi-degree-of-freedom workbench
CN105855547B (en) A kind of automatic fine motion leveling system of 3D printer substrate
CN106914619B (en) Mobile assembling 3D printing equipment, 3D printing main body equipment and 3D printer
CN105835369B (en) A kind of large-scale 3D printer structure of light gantry
CN100448629C (en) Self control type multi- degree of freedom buttjunction platform
CN102306207B (en) Method for assembling and positioning vertical column array type fuselage wall panel and device thereof
CN106827538B (en) A kind of 3D printer that accuracy is high
CN102489619A (en) Workpiece positioning device
CN104197856A (en) In-place surface topography detection workbench
CN106041902A (en) Four-freedom-degree ten-rod controllable mechanism type stacking robot
CN103909714B (en) A kind of automatic positoning make-up machine
CN107748446A (en) A kind of active alignment equipment of three cameras module
CN107009623A (en) A kind of 3D printer
CN106426910B (en) A kind of large-scale double crossbeam industry 3D printers
CN113909833B (en) Automatic overturning butt joint heavy-duty equipment for assembly of space engine
CN108489651A (en) Multi-angle corner weld residual stress tests centralising device
CN109263042A (en) A kind of 3D printing apparatus and system based under polar coordinate system
CN206953587U (en) A kind of revolution nozzle component of 3D printer
CN109263046B (en) 3D printing system based on spiral line
CN203285025U (en) Perpendicularity adjusting device of wall body and wall face automatic construction device
CN109493981A (en) The magnet support mechanism of fusion reactor plasma and material interaction test platform

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information
CB02 Change of applicant information

Address after: 610199 Sichuan Chengdu economic and Technological Development Zone (Longquanyi District) 189

Applicant after: Sichuan spaceflight Long March Equipment Manufacturing Co., Ltd.

Address before: 610199 No. 189, road, Longquan Town, Longquanyi District, Sichuan.

Applicant before: Changzheng Machinery Factory, China Astronautics Science and Technology Group Co

GR01 Patent grant
GR01 Patent grant