CN107774995A - Powdering system - Google Patents

Powdering system Download PDF

Info

Publication number
CN107774995A
CN107774995A CN201610785345.1A CN201610785345A CN107774995A CN 107774995 A CN107774995 A CN 107774995A CN 201610785345 A CN201610785345 A CN 201610785345A CN 107774995 A CN107774995 A CN 107774995A
Authority
CN
China
Prior art keywords
arm
powder
shaft
driving shaft
master arm
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.)
Pending
Application number
CN201610785345.1A
Other languages
Chinese (zh)
Inventor
陈振东
荆红
张定军
颜永年
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.)
Jiangsu Yongnian Laser Forming Technology Co Ltd
Original Assignee
Jiangsu Yongnian Laser Forming Technology Co Ltd
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 Jiangsu Yongnian Laser Forming Technology Co Ltd filed Critical Jiangsu Yongnian Laser Forming Technology Co Ltd
Priority to CN201610785345.1A priority Critical patent/CN107774995A/en
Publication of CN107774995A publication Critical patent/CN107774995A/en
Pending legal-status Critical Current

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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
    • B22F10/10—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
    • B22F12/22—Driving means
    • 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
    • B22F12/60—Planarisation devices; Compression devices
    • B22F12/67—Blades
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Crushing And Grinding (AREA)

Abstract

The invention discloses a kind of powdering system,Including master arm,Driving shaft,Slave arm,Driven shaft,Scrape powder arm,Translation shaft,Vertical axis,Powder-wiping plate and active driving device,Described master arm one end is be hinged on the forming box of 3D printer by driving shaft,The master arm other end is hinged with scraping powder arm one end by translation shaft,The powder arm other end is scraped to be hinged by vertical axis with slave arm one end,The slave arm other end is be hinged on the forming box of 3D printer by driven shaft,The forming box of 3D printer,Master arm,Slave arm forms a parallel four-bar linkage with powder arm is scraped,Powder-wiping plate, which is fixedly installed in, to be scraped on powder arm,Active driving device drives master arm around driving shaft axis reciprocally swinging,Present invention employs parallel four-bar linkage to drive powder-wiping plate translational motion,Avoid influence of the dust to whole kinematic system,Precision of powder laying is high,Anti- metallic dust pollution capacity is strong,Service life is grown,Required driving torque is small,Noise is low.

Description

Powdering system
Technical field
The present invention relates to a kind of metal 3D printer former, more particularly to a kind of powdering system.
Background technology
Metal 3D printer action principle is paving layer of metal powder, sinters one layer with laser, electron beam etc., height declines 0.02-0.10 millimeters, then one layer of powder is spread with scraper plate, circulate successively.Therefore very high is required to precision of powder laying, it is desirable in forming cavity model Inner plane degree error≤0.002 millimeter is enclosed, the conventional system of powdering is at present《Guide rail-sliding block》Formula powdering guidance system, this kind System is that home and abroad uses most systems, but guide rail-slide block movement pair, is highly prone to the pollution of dust, causes slip to have some setbacks It is smooth even phenomena such as blocking occur, it is necessary to often clear up guide rail slide block, processing efficiency is have impact on, improves and is processed into This, reduces processing quality.
The content of the invention
In order to make up above deficiency, the invention provides a kind of powdering system, and the powdering system precision of powder laying is high, anti-metal Dust pollution ability is strong, and required driving torque is small, and noise is low.
The present invention in order to solve its technical problem used by technical scheme be：A kind of powdering system, including master arm, master Moving axis, slave arm, driven shaft, powder arm, translation shaft, vertical axis, powder-wiping plate and active driving device are scraped, described master arm one end leads to It is be hinged on the forming box of 3D printer to cross driving shaft, the master arm other end is hinged with scraping powder arm one end by translation shaft, is scraped The powder arm other end is hinged with slave arm one end by vertical axis, and the slave arm other end is hinged located at 3D printer by driven shaft On forming box, the forming box of 3D printer, master arm, slave arm and scrape powder arm and form a parallel four-bar linkage, powder-wiping plate It is fixedly installed in and scrapes on powder arm, active driving device drives master arm around driving shaft axis reciprocally swinging.
As the further improvement of invention, the powder-wiping plate is vertically arranged with scraping powder arm.
As the further improvement of invention, the powder arm of scraping is in isosceles triangular structure, scrapes the isosceles triangle knot of powder arm Structure base forms a connecting rod of parallel―ordinal shift structure, and powder-wiping plate both ends are respectively with scraping the summit and bottom of powder arm isosceles triangle Side center is fixedly linked.
As the further improvement of invention, the translation shaft is connected with scraping powder arm, and vertical axis is connected with slave arm, translation shaft It is connected with master arm by bearing, vertical axis is connected with scraping powder arm by bearing.
As the further improvement of invention, the driving shaft can be rotatablely installed on the forming box of 3D printer, actively Arm is fixedly connected with driving shaft, active driving device driving spindle rotation.
As the further improvement of invention, described master arm one end is sheathed on and driving shaft periphery, master arm and master Some radial direction jacks are respectively equipped with moving axis circumferential side wall, are additionally provided with some alignment pins, some alignment pins just correspond close Master arm is inserted in master arm is connected with driving shaft with the radial direction jack on driving shaft circumferential side wall.
As the further improvement of invention, the drive device is a kind of in motor and rotary cylinder.
The method have the benefit that：Present invention employs parallel four-bar linkage to drive powder-wiping plate translational motion, Influence of the dust to whole kinematic system is avoided, precision of powder laying is high, and anti-metallic dust pollution capacity is strong, service life length, institute Need driving torque small, noise is low.
Brief description of the drawings
Fig. 1 is principle schematic diagram of the present invention；
Fig. 2 is stereogram of the present invention；
Fig. 3 is translation shaft in the present invention and vertical axis and master arm, scrapes the structural principle that powder arm and slave arm are hinged and connected Sectional view.
Embodiment
Embodiment：A kind of powdering system, including master arm 1, driving shaft 2, slave arm 3, driven shaft 4, scrape powder arm 5, translation Axle 6, vertical axis 7, powder-wiping plate 8 and active driving device, described one end of master arm 1 are located at 3D printer by the way that driving shaft 2 is be hinged Forming box 11 on, the other end of master arm 1 and to scrape the one end of powder arm 5 be hinged by translation shaft 6 scrapes the other end of powder arm 5 and slave arm 3 One end is be hinged by vertical axis 7, and the other end of slave arm 3 is be hinged on the forming box 11 of 3D printer by driven shaft 4, and 3D is beaten The forming box 11 of print machine, master arm 1, slave arm 3 and scrape powder arm 5 and form a parallel four-bar linkage, powder-wiping plate 8 is fixedly mounted In scraping on powder arm 5, active driving device drives master arm 1 around the axis reciprocally swinging of driving shaft 2.
Active driving device drive the reciprocally swinging of master arm 1, slave arm 3 it is parallel with master arm 1 and together with rotate Rotate to an angle, scrape the translational motion under the drive of translation shaft 6 and vertical axis 7 of powder arm 5, powder-wiping plate 8, which is fixed on, scrapes powder arm 5 On, so powder-wiping plate 8 also does translational motion and scrapes powder so as to realize, the powdering system has been abandoned traditional《Guide rail-sliding block》Formula is spread Powder guidance system, its feature are to employ parallel four-bar linkage, and precision of powder laying is high, and anti-metallic dust pollution capacity is strong, makes With long lifespan, required driving torque is small, and noise is low.
The powder-wiping plate 8 is vertically arranged with scraping powder arm 5, realizes that powder is scraped in equilibrium.
The powder arm 5 of scraping is in isosceles triangular structure, and the isosceles triangular structure base for scraping powder arm 5 forms parallel―ordinal shift A piece connecting rod of structure, the both ends of powder-wiping plate 8 are fixedly linked with the summit and base center for scraping the isosceles triangle of powder arm 5 respectively, lead to Cross the stable support of isosceles triangle, it is ensured that scrape the Stability Analysis of Structures of powder arm 5, and be easy to the fixed installation to powder-wiping plate 8, scrape powder knot Structure is stable, and intensity is high, and it is complete that powder is scraped in guarantee.
The translation shaft 6 is connected with scraping powder arm 5, and vertical axis 7 is connected with slave arm 3, and translation shaft 6 passes through axle with master arm 1 Hold 9 to be connected, vertical axis 7 is connected with scraping powder arm 5 by bearing 9, and rolling friction is realized by bearing 9, and frictional force is small, ensures each zero Powder-wiping plate 8 moves smooth when the part life-span ensures to scrape powder simultaneously, is advantageous to scrape the raising of powder efficiency, while avoid frictional heat from influenceing Powder properties.
The driving shaft 2 can be rotatablely installed on the forming box 11 of 3D printer, and master arm 1 fixes company with driving shaft 2 Connect, active driving device driving driving shaft 2 rotates, and this is simple in construction, is easy to implement the driving of master arm 1.
Described one end of master arm 1 be sheathed on the periphery of driving shaft 2, on master arm 1 and the circumferential side wall of driving shaft 2 respectively Provided with some radial direction jacks, be additionally provided with some alignment pins 10, some alignment pins 10 just correspond it is close be inserted in master arm 1 with Master arm 1 is connected with driving shaft 2 in radial direction jack on the circumferential side wall of driving shaft 2, it is simple by the location structure of alignment pin 10, It is easy to fabricate, other fixed connection structures can also be used in addition, such as welding, screw connection.
The drive device is a kind of in motor and rotary cylinder.

Claims (7)

  1. A kind of 1. powdering system, it is characterised in that：Including master arm (1), driving shaft (2), slave arm (3), driven shaft (4), scrape Powder arm (5), translation shaft (6), vertical axis (7), powder-wiping plate (8) and active driving device, described master arm one end pass through driving shaft Be hinged to be located on the forming box of 3D printer, the master arm other end is hinged with scraping powder arm one end by translation shaft, and it is another to scrape powder arm End is hinged with slave arm one end by vertical axis, and the slave arm other end passes through the be hinged forming box located at 3D printer of driven shaft (11) on, the forming box of 3D printer, master arm, slave arm and scrape powder arm and form a parallel four-bar linkage, powder-wiping plate is solid Loaded on scraping on powder arm, active driving device drives master arm around driving shaft axis reciprocally swinging for Dingan County.
  2. 2. powdering system as claimed in claim 1, it is characterized in that：The powder-wiping plate is vertically arranged with scraping powder arm.
  3. 3. powdering system as claimed in claim 2, it is characterized in that：The powder arm of scraping is in isosceles triangular structure, scrapes powder arm Isosceles triangular structure base forms a connecting rod of parallel―ordinal shift structure, and powder-wiping plate both ends are respectively with scraping powder arm isoceles triangle The summit and base center of shape are fixedly linked.
  4. 4. powdering system as claimed in claim 1, it is characterized in that：The translation shaft is connected with scraping powder arm, vertical axis with it is driven Arm is connected, and translation shaft is connected with master arm by bearing (9), and vertical axis is connected with scraping powder arm by bearing.
  5. 5. powdering system as claimed in claim 1, it is characterized in that：The driving shaft can be rotatablely installed in 3D printer into On shape case, master arm is fixedly connected with driving shaft, active driving device driving spindle rotation.
  6. 6. powdering system as claimed in claim 5, it is characterized in that：Described master arm one end be sheathed on outside driving shaft circumference Side, master arm are additionally provided with some alignment pins (10), some positioning with being respectively equipped with some radial direction jacks on driving shaft circumferential side wall It is interior by master arm and driving shaft phase with the radial direction jack on driving shaft circumferential side wall that pin just one-to-one corresponding is closely inserted in master arm Even.
  7. 7. powdering system as claimed in claim 1, it is characterized in that：The drive device is a kind of in motor and rotary cylinder.
CN201610785345.1A 2016-08-31 2016-08-31 Powdering system Pending CN107774995A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610785345.1A CN107774995A (en) 2016-08-31 2016-08-31 Powdering system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610785345.1A CN107774995A (en) 2016-08-31 2016-08-31 Powdering system

Publications (1)

Publication Number Publication Date
CN107774995A true CN107774995A (en) 2018-03-09

Family

ID=61450942

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610785345.1A Pending CN107774995A (en) 2016-08-31 2016-08-31 Powdering system

Country Status (1)

Country Link
CN (1) CN107774995A (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2083432A (en) * 1980-09-12 1982-03-24 Os Bad Rozwojowy Syst Mech Device for guiding a meter over and levelling a moving layer of loose material
JPH0457685A (en) * 1990-06-22 1992-02-25 Fanuc Ltd Driving mechanism for arm of industrial articulated robot
KR20020043007A (en) * 2000-12-01 2002-06-08 류정열 Windshield wiper system having vertical path
US20040024385A1 (en) * 1999-11-12 2004-02-05 Microdexterity Systems, Inc. Manipulator
US20080128956A1 (en) * 2006-11-22 2008-06-05 Eos Gmbh Electro Optical Systems Device for a layer-wise manufacturing of a three-dimensional object
CN201658868U (en) * 2010-03-09 2010-12-01 江苏新纪元环保有限公司 Rotary scraping device for square mud and water separation tank
CN104625062A (en) * 2015-03-03 2015-05-20 重庆大学 Reciprocating powder laying device for selective laser melting
CN104999079A (en) * 2015-08-24 2015-10-28 吴江中瑞机电科技有限公司 Rapid powder spreading device for 3D printer
CN205270862U (en) * 2016-01-11 2016-06-01 南京前知智能科技有限公司 Powder mechanism of shop of selectivity laser melting equipment
CN205266730U (en) * 2015-11-25 2016-06-01 酒泉奥凯种子机械股份有限公司 Male spraying fertilization all -in -one is taken out to complete self -propelled maize of hydraulic drive in highland crack
CN206028729U (en) * 2016-08-31 2017-03-22 江苏永年激光成形技术有限公司 Spread powder system

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2083432A (en) * 1980-09-12 1982-03-24 Os Bad Rozwojowy Syst Mech Device for guiding a meter over and levelling a moving layer of loose material
JPH0457685A (en) * 1990-06-22 1992-02-25 Fanuc Ltd Driving mechanism for arm of industrial articulated robot
US20040024385A1 (en) * 1999-11-12 2004-02-05 Microdexterity Systems, Inc. Manipulator
KR20020043007A (en) * 2000-12-01 2002-06-08 류정열 Windshield wiper system having vertical path
US20080128956A1 (en) * 2006-11-22 2008-06-05 Eos Gmbh Electro Optical Systems Device for a layer-wise manufacturing of a three-dimensional object
CN101553356A (en) * 2006-11-22 2009-10-07 Eos有限公司电镀光纤*** Device for building up a three-dimensional object layer by layer
CN201658868U (en) * 2010-03-09 2010-12-01 江苏新纪元环保有限公司 Rotary scraping device for square mud and water separation tank
CN104625062A (en) * 2015-03-03 2015-05-20 重庆大学 Reciprocating powder laying device for selective laser melting
CN104999079A (en) * 2015-08-24 2015-10-28 吴江中瑞机电科技有限公司 Rapid powder spreading device for 3D printer
CN205266730U (en) * 2015-11-25 2016-06-01 酒泉奥凯种子机械股份有限公司 Male spraying fertilization all -in -one is taken out to complete self -propelled maize of hydraulic drive in highland crack
CN205270862U (en) * 2016-01-11 2016-06-01 南京前知智能科技有限公司 Powder mechanism of shop of selectivity laser melting equipment
CN206028729U (en) * 2016-08-31 2017-03-22 江苏永年激光成形技术有限公司 Spread powder system

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