CN106734900B - Ten-nozzle printing head of three-dimensional sand mold printer - Google Patents

Ten-nozzle printing head of three-dimensional sand mold printer Download PDF

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Publication number
CN106734900B
CN106734900B CN201710105163.XA CN201710105163A CN106734900B CN 106734900 B CN106734900 B CN 106734900B CN 201710105163 A CN201710105163 A CN 201710105163A CN 106734900 B CN106734900 B CN 106734900B
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China
Prior art keywords
nozzle
liquid storage
storage cylinder
printing head
dimensional
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CN201710105163.XA
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CN106734900A (en
Inventor
王东强
曹超伟
向红
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Jiangsu Liyuan Three Dimensional Casting Technology Co ltd
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Jiangsu Liyuan Three Dimensional Casting Technology Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/02Sand moulds or like moulds for shaped castings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C19/00Components or accessories for moulding machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y30/00Apparatus for additive manufacturing; Details thereof or accessories therefor

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

Abstract

The invention relates to a ten-nozzle printing head of a three-dimensional sand mold printer, which comprises a printing head frame, a horizontal base, a box fixing plate and a central box, wherein a liquid storage cavity is arranged in the central box, a liquid inlet joint is arranged at the rear side of the central box, a liquid supply joint is arranged on the printing head frame, a nozzle mounting base is arranged at the top of the base, a nozzle body is arranged at the bottom of the nozzle mounting base, a nozzle is arranged at the bottom of the nozzle body, a distribution cavity is arranged in each nozzle body, liquid separating cavity cavities are arranged in the central box at the front side and the rear side of the liquid storage cavity, spray pipe joints. According to the invention, the 10 spray head bodies uniformly spray the adhesive, the adhesive is stored in the liquid storage cavity in advance, the length of a pipeline in the printing head is effectively shortened, the high-viscosity adhesive is conveniently sprayed, each distribution cavity is respectively communicated with the two spray pipe joints through the two hoses, the nozzles are conveniently cleaned, the nozzles are effectively prevented from being blocked, and the service life of the printing head is prolonged.

Description

A kind of ten nozzle printing head of three-dimensional sand mold printer
Technical field
The present invention relates to three-dimensional sand mold printer, more particularly to a kind of three-dimensional ten nozzle printing head of sand mold printer.
Background technology
3 D Printer, also referred to as three-dimensional printer (3D Printer, abbreviation 3DP) are rapid shaping (Rapid Prototyping, RP) a kind of technique, be layered by the way of layer upon layer and produce threedimensional model, operational process is similar In conventional printer, only conventional printer and three-dimensional is beaten forming two-dimensional plane drawing in ink printed to papery Print machine is that the materials such as liquid photosensitive resin material, the plastic wire of melting, land plaster are passed through the modes such as jet binder or extrusion Realize that layer upon layer is superimposed to form 3D solid.Three-dimensional printer has the advantages that notable especially in be pilot production, Such as casting mould manufacturing, it usually needs by sand molding at required cavity, therefore it is three-dimensional in casting mould production industry Printer has a significant advantage, existing casting industry three-dimensional printer, can not spray highly viscous, and nozzle is easily stifled, uses the longevity Order it is short, injection it is uneven.
Invention content
In view of the deficiencies of the prior art, the object of the present invention is to provide a kind of three-dimensional ten nozzle printing heads of sand mold printer.
The technical solution adopted by the present invention to solve the technical problems is:A kind of ten nozzle printing of three-dimensional sand mold printer Head, including print head frame, be arranged the print head base of frame horizontal base, be arranged in the print head frame roof The babinet fixed plate of front side, babinet fixed plate bottom are equipped with central box, and liquid storage cylinder is equipped in the central box, described The liquid inlet joint being connected to the liquid storage cylinder is equipped on rear side of central box, the print head frame is equipped with and the liquid inlet joint The feed flow connector of connection, the central box are equipped with circuit panel seat, and the circuit panel seat is equipped with control circuit board, the bottom Seat is equipped with vertical nozzle mounting hole, and the nozzle mounting hole is strip-shaped hole, and the nozzle mounting hole is 10 and at two rows Arrangement, the base top are equipped with strip nozzle installation pedestal, and nozzle installation pedestal bottom is equipped with head body, the spray Head ontology stretches into the nozzle mounting hole, and the head body bottom is equipped with equally distributed nozzle, each nozzle sheet Set in vivo there are one the distribution cavity that be connected to the nozzle, before and after the liquid storage cylinder central box of side equipped with and the liquid storage The liquid separation tube chamber of chamber front and rear sides bottom connection, the central box bottom are equipped with the jet pipe being connected to separating tube bottom of chamber portion Connector, each liquid separation tube chamber are connected to 10 spray nozzles, each distribution cavity by two hoses respectively with two spray nozzles Connection.
By 10 uniform jet binders of head body in above-mentioned design, binder is stored by liquid storage cylinder in advance, is had Effect shortens the duct length in print head, convenient for spraying highly viscous binder, each distribution cavity by two hoses respectively with Two spray nozzle connections effectively prevent the blocking of nozzle convenient for the cleaning to nozzle, improve print head service life.
As being further improved for the design, it is respectively equipped in the control circuit board and the flow in the head body The control line that valve is electrically connected, flow valve are convenient for individually controlling the jet velocity of each head body top nozzle, and injection is accurate.
As being further improved for the design, babinet fixed plate bottom is equipped with and is vacuumized with what the liquid storage cylinder was connected to Mouthful, the vacuumizing joint being connected to the vacuum orifice is equipped on rear side of the babinet fixed plate, the print head frame is equipped with Connecting seat is vacuumized with what the vacuumizing joint was connected to.Vacuum orifice prevents binder convenient for the gas in discharge liquid storage cylinder Accuracy of spray is low caused by middle generation bubble.
As being further improved for the design, the central box is equipped with the level sensing stretched into the liquid storage cylinder and passes Sensor is that liquid storage cylinder supplements binder convenient for control feeding system.
As being further improved for the design, set in the liquid storage cylinder there are three vertical partition board disposed in parallel, i.e., it is described The liquid storage cylinder is separated into four chambers by partition board from left to right, between being equipped between the partition board bottom and the liquid storage cylinder bottom Gap, the liquid level detecting sensor and the liquid inlet joint are located in intermediate two chambers, and different in the presence of in a chamber The communication port of interior, the liquid separation tube chamber and the liquid storage cylinder on rear side of the liquid storage cylinder is located at bottom on rear side of intermediate two chambers Portion, partition board are convenient for being isolated liquid level detecting sensor and feed liquor liquid inlet joint, prevent to liquid level detecting sensor interference.
As being further improved for the design, the vacuum orifice is located at the top of chamber residing for the liquid level detecting sensor Portion prevents binder from sucking vacuum orifice convenient for the gas in extraction liquid storage cylinder.
As being further improved for the design, the print head frame roof is equipped with to be electrically connected with the control circuit board Automatically controlled connector, be convenient for control panel connection.
As being further improved for the design, the nozzle diameter is 50 μm, and each head body is equipped with 128 Nozzle, injection is uniform, convenient for injection high viscosity binder.
As being further improved for the design, two rows of head bodies are staggered, and two neighboring head body is parallel Setting, the binder ejected are more uniform in jet face.
The beneficial effects of the invention are as follows:The present invention is pre- by liquid storage cylinder by 10 uniform jet binders of head body Binder is first stored, the duct length effectively shortened in print head, convenient for spraying highly viscous binder, each distribution cavity passes through Two hoses are connected to two spray nozzles respectively, convenient for the cleaning to nozzle, are effectively prevent the blocking of nozzle, are improved print head Service life.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the dimensional structure diagram of the present invention.
Fig. 2 is the schematic rear view of the present invention.
Fig. 3 is the A-A diagrammatic cross-sections of the present invention.
Fig. 4 is the B-B diagrammatic cross-sections of the present invention.
Fig. 5 is the head body diagrammatic cross-section of the present invention.
The 1. print head frame in figure, 2. babinet fixed plates, 3. automatically controlled connectors, 4. feed flow connectors, 5. central box, 6. bottoms Seat, 7. nozzle mounting holes, 8. liquid inlet joints, 9. vacuumizing joints, 10. vacuumize connecting seat, 11. liquid level detecting sensors, and 12. Liquid storage cylinder, 13. liquid separation tube chambers, 14. nozzle installation pedestals, 15. vacuum orifices, 16. head bodies, 17. spray nozzles, 18. every Plate, 19. circuit panel seats, 20. control circuit boards, 21. control lines, 22. nozzles, 23. distribution cavities, 24. flow valves.
Specific implementation mode
Come that the present invention will be described in detail below in conjunction with attached drawing and specific embodiment, illustrative examples therein and says It is bright to be only used for explaining the present invention but not as a limitation of the invention.
Embodiment:A kind of ten nozzle printing head of three-dimensional sand mold printer, including print head frame 1, setting are in the printing The horizontal base 6 of 1 bottom of head frame, the babinet fixed plate 2 being arranged on front side of 1 top of the print head frame, the babinet are solid 2 bottom of fixed board is equipped with central box 5, and liquid storage cylinder 12 is equipped in the central box 5, and 5 rear side of the central box is equipped with and institute The liquid inlet joint 8 of the connection of liquid storage cylinder 12 is stated, the print head frame 1 is equipped with the feed flow connector being connected to the liquid inlet joint 8 4, the central box 5 is equipped with circuit panel seat 19, and the circuit panel seat 19 is equipped with control circuit board 20, on the pedestal 6 Equipped with vertical nozzle mounting hole 7, the nozzle mounting hole 7 is strip-shaped hole, and the nozzle mounting hole 7 is 10 and is arranged at two rows Row, 6 top of the pedestal are equipped with strip nozzle installation pedestal 14, and 14 bottom of nozzle installation pedestal is equipped with head body 16, The head body 16 stretches into the nozzle mounting hole 7, and 16 bottom of the head body is equipped with equally distributed nozzle 22, often It is set in a head body 16 there are one the distribution cavity 23 that is connected to the nozzle 22, the center of side before and after the liquid storage cylinder 12 Babinet 5 is equipped with the liquid separation tube chamber 13 that be connected to 12 front and rear sides bottom of the liquid storage cylinder, 5 bottom of the central box equipped with The spray nozzle 17 of 13 bottom of the liquid separation tube chamber connection, each liquid separation tube chamber 13 are connected to 10 spray nozzles 17, Mei Gefen Cloth chamber 23 is connected to two spray nozzles 17 respectively by two hoses.
By 10 16 uniform jet binders of head body in above-mentioned design, by liquid storage cylinder 12, storage bonds in advance Agent, the duct length effectively shortened in print head, convenient for spraying highly viscous binder, each distribution cavity 23 passes through two hoses It is connected to respectively with two spray nozzles 17, convenient for the cleaning to nozzle 22, effectively prevent the blocking of nozzle 22, improving print head makes Use the service life.
As being further improved for the design, be respectively equipped in the control circuit board 20 in the head body 16 The control line 21 that flow valve 24 is electrically connected, flow valve 24 are convenient for individually controlling the injection speed of 16 top nozzle 22 of each head body Degree, injection are accurate.
As being further improved for the design, 2 bottom of babinet fixed plate is equipped with the pumping being connected to the liquid storage cylinder 12 Vacuum port 15,2 rear side of the babinet fixed plate are equipped with the vacuumizing joint 9 being connected to the vacuum orifice 15, the print head Frame 1 vacuumizes connecting seat 10 equipped with what is be connected to the vacuumizing joint 9.Vacuum orifice 15 is convenient in discharge liquid storage cylinder 12 Gas, prevent in binder generate bubble caused by accuracy of spray it is low.
As being further improved for the design, the central box 5 is equipped with the liquid level inspection stretched into the liquid storage cylinder 12 Sensor 11 is surveyed, is that liquid storage cylinder 12 supplements binder convenient for control feeding system.
As being further improved for the design, set that there are three vertical partition boards 18 disposed in parallel in the liquid storage cylinder 12, i.e., The liquid storage cylinder 12 is separated into four chambers, 18 bottom of the partition board and 12 bottom of the liquid storage cylinder by the partition board 18 from left to right Gap is equipped between portion, the liquid level detecting sensor 11 and the liquid inlet joint 8 are located in intermediate two chambers, and not With existing in a chamber, the liquid separation tube chamber 13 and the communication port of the liquid storage cylinder 12 of 12 rear side of the liquid storage cylinder are located at Intermediate two chambers bottom rear, partition board 18 are convenient for being isolated liquid level detecting sensor 11 and feed liquor liquid inlet joint 8, prevent pair Liquid level detecting sensor 11 interferes.
As being further improved for the design, the vacuum orifice 15 is located at chamber residing for the liquid level detecting sensor 11 Top, convenient for extraction liquid storage cylinder 12 in gas, prevent binder suck vacuum orifice 15.
As being further improved for the design, 1 top of the print head frame is equipped with electrical with the control circuit board 20 The automatically controlled connector 3 of connection is convenient for the connection of control panel.
As being further improved for the design, 22 a diameter of 50 μm of the nozzle, each head body 16 is equipped with 128 nozzles 22, injection is uniform, convenient for injection high viscosity binder.
As being further improved for the design, two rows of head bodies 16 are staggered, two neighboring head body 16 It is arranged in parallel, the binder ejected is more uniform in jet face.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills Art field, is included within the scope of the present invention.

Claims (9)

1. a kind of ten nozzle printing head of three-dimensional sand mold printer, which is characterized in that including print head frame, be arranged in the printing The horizontal base of head base of frame, the babinet fixed plate being arranged on front side of the print head frame roof, the babinet fixed plate Bottom is equipped with central box, and liquid storage cylinder is equipped in the central box, is equipped on rear side of the central box and connects with the liquid storage cylinder Logical liquid inlet joint, the print head frame are equipped with the feed flow connector that is connected to the liquid inlet joint, in the central box Equipped with circuit panel seat, the circuit panel seat is equipped with control circuit board, and the pedestal is equipped with vertical nozzle mounting hole, described Nozzle mounting hole is strip-shaped hole, and the nozzle mounting hole is 10 and is arranged at two rows that the base top is equipped with strip nozzle Installation pedestal, nozzle installation pedestal bottom are equipped with head body, and the head body stretches into the nozzle mounting hole, institute It states head body bottom and is equipped with equally distributed nozzle, set that there are one what is be connected to the nozzle to divide in each head body Cloth chamber, the central box of side is equipped with the liquid separation tube chamber being connected to liquid storage cylinder front and rear sides bottom before and after the liquid storage cylinder, The central box bottom is equipped with the spray nozzle being connected to separating tube bottom of chamber portion, and each liquid separation tube chamber connects with 10 jet pipes Head connection, each distribution cavity are connected to two spray nozzles respectively by two hoses.
2. a kind of three-dimensional ten nozzle printing head of sand mold printer according to claim 1, characterized in that the control circuit The control line being electrically connected with the flow valve in the head body is respectively equipped on plate.
3. a kind of three-dimensional ten nozzle printing head of sand mold printer according to claim 1, characterized in that the babinet is fixed Board bottom portion is equipped with the vacuum orifice being connected to the liquid storage cylinder, is equipped on rear side of the babinet fixed plate and is connected to the vacuum orifice Vacuumizing joint, the print head frame is equipped with and with what the vacuumizing joint was connected to vacuumizes connecting seat.
4. a kind of three-dimensional ten nozzle printing head of sand mold printer according to claim 3, characterized in that the central box It is equipped with the liquid level detecting sensor stretched into the liquid storage cylinder.
5. a kind of three-dimensional ten nozzle printing head of sand mold printer according to claim 4, characterized in that in the liquid storage cylinder If there are three vertical partition board disposed in parallel, i.e., the liquid storage cylinder is separated into four chambers by the described partition board from left to right, described Gap is equipped between partition board bottom and the liquid storage cylinder bottom, the liquid level detecting sensor and the liquid inlet joint are located at In intermediate two chambers, and difference exists in a chamber, the liquid separation tube chamber on rear side of the liquid storage cylinder and the liquid storage The communication port of chamber is located at intermediate two chambers bottom rear.
6. a kind of three-dimensional ten nozzle printing head of sand mold printer according to claim 5, characterized in that the vacuum orifice The top of the chamber residing for the liquid level detecting sensor.
7. a kind of three-dimensional ten nozzle printing head of sand mold printer according to claim 1, characterized in that the print head frame Top of the trellis is equipped with the automatically controlled connector being electrically connected with the control circuit board.
8. a kind of three-dimensional ten nozzle printing head of sand mold printer according to claim 1, characterized in that the nozzle diameter It it is 50 μm, each head body is equipped with 128 nozzles.
9. a kind of three-dimensional ten nozzle printing head of sand mold printer according to claim 1, characterized in that two rows of nozzles Ontology is staggered, and two neighboring head body is arranged in parallel.
CN201710105163.XA 2017-02-25 2017-02-25 Ten-nozzle printing head of three-dimensional sand mold printer Active CN106734900B (en)

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Application Number Priority Date Filing Date Title
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CN106734900B true CN106734900B (en) 2018-10-19

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107470559A (en) * 2017-08-25 2017-12-15 机械科学研究总院先进制造技术研究中心 A kind of sand mold 3D printing liquid-supplying system of temperature-controllable
CN108819244A (en) * 2018-05-02 2018-11-16 深圳市绿恩贝智能科技有限公司 A kind of spray robot spray head for high viscosity ink

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WO2014101020A1 (en) * 2012-12-26 2014-07-03 机械科学研究总院先进制造技术研究中心 Material increase manufacturing apparatus through multi-metal liquid spray deposition
US10065354B2 (en) * 2014-04-07 2018-09-04 3D Total Solutions, Inc. 3D printer system with circular carousel and multiple material delivery systems
CN106391363B (en) * 2015-07-29 2019-04-05 清华大学 A kind of more spray heads, multichannel droplet deposition apparatus and technique
CN105500714B (en) * 2016-01-12 2018-03-23 无锡职业技术学院 A kind of 3D printing system of array shaping
CN105665632B (en) * 2016-01-26 2018-01-05 机械科学研究总院先进制造技术研究中心 A kind of adaptive sand mold 3D printing manufacturing process and device
CN106313498B (en) * 2016-09-08 2019-02-22 厦门理工学院 A kind of preparation method of full spray printing nozzle cluster
CN206550289U (en) * 2017-02-25 2017-10-13 江苏立元三维铸造科技有限公司 A kind of nozzle printing head of three-dimensional sand mold printer ten

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Effective date of registration: 20210910

Address after: 226500 No. 8, Xunda Road, Chengnan street, Rugao City, Nantong City, Jiangsu Province

Patentee after: Jiangsu Yigao Intelligent Technology Co.,Ltd.

Address before: 215400 building m, Taicang Software Park, 88 Beijing East Road, Taicang City, Suzhou City, Jiangsu Province

Patentee before: JIANGSU LIYUAN THREE-DIMENSIONAL CASTING TECHNOLOGY Co.,Ltd.

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TR01 Transfer of patent right

Effective date of registration: 20220505

Address after: 215400 1-2, No. 90, Luoyang east road, Loudong street, Taicang City, Suzhou City, Jiangsu Province

Patentee after: JIANGSU LIYUAN THREE-DIMENSIONAL CASTING TECHNOLOGY CO.,LTD.

Address before: 226500 No. 8, Xunda Road, Chengnan street, Rugao City, Nantong City, Jiangsu Province

Patentee before: Jiangsu Yigao Intelligent Technology Co.,Ltd.