CN106734900A - 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
CN106734900A
CN106734900A CN201710105163.XA CN201710105163A CN106734900A CN 106734900 A CN106734900 A CN 106734900A CN 201710105163 A CN201710105163 A CN 201710105163A CN 106734900 A CN106734900 A CN 106734900A
Authority
CN
China
Prior art keywords
nozzle
liquid storage
printing head
storage cylinder
sand mold
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
CN201710105163.XA
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Chinese (zh)
Other versions
CN106734900B (en
Inventor
王东强
曹超伟
向红
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 Liyuan Three Dimensional Casting Technology Co ltd
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Jiangsu Liyuan Three Dimensional Casting Technology Co ltd
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Application filed by Jiangsu Liyuan Three Dimensional Casting Technology Co ltd filed Critical Jiangsu Liyuan Three Dimensional Casting Technology Co ltd
Priority to CN201710105163.XA priority Critical patent/CN106734900B/en
Publication of CN106734900A publication Critical patent/CN106734900A/en
Application granted granted Critical
Publication of CN106734900B publication Critical patent/CN106734900B/en
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Classifications

    • 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

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 nozzle printing head of three-dimensional sand mold printer ten
Technical field
The present invention relates to three-dimensional sand mold printer, more particularly to a kind of nozzle printing head of three-dimensional sand mold printer ten.
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, its running be similar to In conventional printer, only conventional printer is that, the plane drawing that two dimension is formed in ink printed to papery, and three-dimensional is beaten Print machine is by modes such as jet binder or extrusions the material such as liquid photosensitive resin material, plastic wire, the land plaster of melting Realize that layer upon layer is superimposed to form 3D solid.Especially three-dimensional printer has significant advantage in be pilot production, It is such as casting mould manufacturing, it usually needs by sand molding into required die cavity therefore three-dimensional in casting mould production industry Printer has significant advantage, and existing casting industry three-dimensional printer, it is impossible to spray high-viscosity, nozzle is easily blocked up, and uses the longevity Life is short, sprays uneven.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of nozzle printing head of three-dimensional sand mold printer ten.
The technical solution adopted for the present invention to solve the technical problems is:A kind of three-dimensional nozzle printing of sand mold printer ten Head, including printhead framework, be arranged on the horizontal base of the printhead base of frame, be arranged on the printhead frame roof The casing fixed plate of front side, the casing fixed plate bottom is provided with central box, and liquid storage cylinder is provided with the central box, described Central box rear side is provided with the liquid inlet joint connected with the liquid storage cylinder, and the printhead framework is provided with and the liquid inlet joint The feed flow joint of connection, the central box is provided with circuit panel seat, and the circuit panel seat is provided with control board, the bottom Seat is provided with vertical shower nozzle mounting hole, and the shower nozzle mounting hole is bar hole, and the shower nozzle mounting hole is 10 and into two rows Arrangement, the base top is provided with strip shower nozzle installation pedestal, and the shower nozzle installation pedestal bottom is provided with head body, the spray Head body is stretched into the shower nozzle mounting hole, and the head body bottom is provided with equally distributed nozzle, each described shower nozzle sheet A distribution cavity connected with the nozzle is provided with vivo, the central box of side is provided with and the liquid storage before and after the liquid storage cylinder The separating tube chamber of two side bottoms connection before and after chamber, the central box bottom is provided with the jet pipe connected with separating tube bottom of chamber portion Joint, each separating tube chamber connects with 10 spray nozzles, each distribution cavity by two flexible pipes respectively with two spray nozzles Connection.
By 10 uniform jet binders of head body in above-mentioned design, binding agent is stored by liquid storage cylinder in advance, had Effect shortens the duct length in printhead, is easy to spray high-viscosity binding agent, each distribution cavity by two flexible pipes respectively with Two spray nozzle connections, are easy to the cleaning to nozzle, effectively prevent the blocking of nozzle, improve printhead service life.
As the further improvement of the design, it is respectively equipped with the control board and the flow in the head body The control line that valve is electrically connected with, flow valve is easy to individually control the jet velocity of each head body top nozzle, and injection is accurate.
Used as the further improvement of the design, the casing fixed plate bottom is provided with and vacuumizing that the liquid storage cylinder is connected Mouthful, the casing fixed plate rear side is provided with the vacuumizing joint connected with the vacuum orifice, and the printhead framework is provided with Connecting seat is vacuumized with the vacuumizing joint is connected.Vacuum orifice is easy to discharge the gas in liquid storage cylinder, prevents binding agent Accuracy of spray is low caused by middle generation bubble.
Used as the further improvement of the design, the central box is provided with the level sensing stretched into the liquid storage cylinder and passes Sensor, is easy to control feeding system to supplement binding agent for liquid storage cylinder.
As the further improvement of the design, three dividing plates be arrangeding in parallel vertically are provided with the liquid storage cylinder, i.e., it is described The liquid storage cylinder is separated into four chambers by dividing plate from left to right, between being provided between the dividing plate bottom and the liquid storage cylinder bottom Gap, the liquid level detecting sensor and the liquid inlet joint are located in middle two chambers respectively, the separating tube chamber with it is described The connected entrance of liquid storage cylinder is located at middle two chambers bottom rear, and dividing plate is easy to liquid level detecting sensor and feed liquor liquid inlet joint Isolation, prevent to liquid level detecting sensor disturb.
Used as the further improvement of the design, the vacuum orifice is located at the top of chamber residing for the liquid level detecting sensor Portion, is easy to extract the gas in liquid storage cylinder out, prevents binding agent from sucking vacuum orifice.
Used as the further improvement of the design, the printhead frame roof is provided with and is electrically connected with the control board Automatically controlled joint, be easy to the connection of control panel.
Used as the further improvement of the design, the nozzle diameter is 50 μm, and each described head body is provided with 128 Nozzle, injection is uniform, is easy to spray high viscosity binding agent.
Used as the further improvement of the design, head body described in two rows is staggered, and two neighboring head body is parallel Set, the binding agent for ejecting is 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 Binding agent is first stored, effectively shortens the duct length in printhead, be easy to spray high-viscosity binding agent, each distribution cavity passes through Two flexible pipes are connected with two spray nozzles respectively, are easy to the cleaning to nozzle, effectively prevent the blocking of nozzle, improve printhead Service life.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is dimensional structure diagram of the invention.
Fig. 2 is schematic rear view of the invention.
Fig. 3 is A-A generalized sections of the invention.
Fig. 4 is B-B generalized sections of the invention.
Fig. 5 is head body generalized section of the invention.
The 1. printhead framework in figure, 2. casing fixed plate, 3. automatically controlled joint, 4. feed flow joint, 5. central box, 6. bottom Seat, 7. shower nozzle mounting hole, 8. liquid inlet joint, 9. vacuumizing joint, 10. vacuumizes connecting seat, 11. liquid level detecting sensors, 12. Liquid storage cylinder, 13. separating tube chambers, 14. shower nozzle installation pedestals, 15. vacuum orifices, 16. head bodies, 17. spray nozzles, 18. every Plate, 19. circuit panel seats, 20. control boards, 21. control lines, 22. nozzles, 23. distribution cavities, 24. flow valves.
Specific embodiment
Describe the present invention in detail below in conjunction with accompanying drawing and specific embodiment, illustrative examples therein and say It is bright to be only used for explaining the present invention but not as a limitation of the invention.
Embodiment:A kind of nozzle printing head of three-dimensional sand mold printer ten, including printhead framework 1, it is arranged on the printing The horizontal base 6 of head framework 1 bottom, the casing fixed plate 2 being arranged on front side of the top of the printhead framework 1, the casing are consolidated The bottom of fixed board 2 is provided with and liquid storage cylinder 12 is provided with central box 5, the central box 5, and the rear side of the central box 5 is provided with and institute The liquid inlet joint 8 of the connection of liquid storage cylinder 12 is stated, the printhead framework 1 is provided with the feed flow joint connected with the liquid inlet joint 8 4, the central box 5 is provided with circuit panel seat 19, and the circuit panel seat 19 is provided with control board 20, on the base 6 Vertical shower nozzle mounting hole 7 is provided with, the shower nozzle mounting hole 7 is bar hole, and the shower nozzle mounting hole 7 is 10 and is arranged into two rows Row, the top of the base 6 is provided with strip shower nozzle installation pedestal 14, and the bottom of shower nozzle installation pedestal 14 is provided with head body 16, The head body 16 is stretched into the shower nozzle mounting hole 7, and the bottom of the head body 16 is provided with equally distributed nozzle 22, often A distribution cavity 23 connected with the nozzle 22, the center of side before and after the liquid storage cylinder 12 are provided with the individual head body 16 Casing 5 is provided with the separating tube chamber 13 connected with two side bottoms before and after the liquid storage cylinder 12, the bottom of the central box 5 be provided with The spray nozzle 17 of the bottom of separating tube chamber 13 connection, each separating tube chamber 13 connects with 10 spray nozzles 17, each point Cloth chamber 23 is connected with two spray nozzles 17 respectively by two flexible pipes.
By 10 uniform jet binders of head body 16 in above-mentioned design, by liquid storage cylinder 12, storage is bonded in advance Agent, effectively shortens the duct length in printhead, is easy to spray high-viscosity binding agent, and each distribution cavity 23 passes through two flexible pipes Connected with two spray nozzles 17 respectively, be easy to the cleaning to nozzle 22, effectively prevent the blocking of nozzle 22, improving printhead makes Use the life-span.
As the further improvement of the design, be respectively equipped with the control board 20 with the head body 16 The control line 21 that flow valve 24 is electrically connected with, flow valve 24 is easy to individually control the injection speed of the top nozzle 22 of each head body 16 Degree, injection is accurate.
Used as the further improvement of the design, the bottom of casing fixed plate 2 is provided with and taking out that the liquid storage cylinder 12 is connected Vacuum port 15, the rear side of the casing fixed plate 2 is provided with the vacuumizing joint 9 connected with the vacuum orifice 15, the printhead Framework 1 be provided with connected with the vacuumizing joint 9 vacuumize connecting seat 10.Vacuum orifice 15 is easy in discharge liquid storage cylinder 12 Gas, accuracy of spray is low caused by preventing from producing bubble in binding agent.
Used as the further improvement of the design, the central box 5 is provided with the liquid level inspection stretched into the liquid storage cylinder 12 Sensor 11 is surveyed, is easy to control feeding system to supplement binding agent for liquid storage cylinder 12.
As the further improvement of the design, three dividing plates 18 be arrangeding in parallel vertically are provided with the liquid storage cylinder 12, i.e., The liquid storage cylinder 12 is separated into four chambers, the bottom of the dividing plate 18 and the bottom of the liquid storage cylinder 12 by the dividing plate 18 from left to right Gap is provided between portion, the liquid level detecting sensor 11 and the liquid inlet joint 8 are located in middle two chambers respectively, described Separating tube chamber 13 is located at middle two chambers bottom rear with the connected entrance of the liquid storage cylinder 12, and dividing plate 18 is easy to level sensing Sensor 11 is isolated with feed liquor liquid inlet joint 8, prevents from disturbing liquid level detecting sensor 11.
Used as the further improvement of the design, the vacuum orifice 15 is located at chamber residing for the liquid level detecting sensor 11 Top, be easy to extract out liquid storage cylinder 12 in gas, prevent binding agent suck vacuum orifice 15.
Used as the further improvement of the design, the top of the printhead framework 1 is provided with electrical with the control board 20 The automatically controlled joint 3 of connection, is easy to the connection of control panel.
Used as the further improvement of the design, 22 a diameter of 50 μm of the nozzle, each described head body 16 is provided with 128 nozzles 22, injection is uniform, is easy to spray high viscosity binding agent.
Used as the further improvement of the design, head body 16 is staggered described in two rows, two neighboring head body 16 It is arranged in parallel, the binding agent for ejecting is more uniform in jet face.
Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills Art field, is included within the scope of the present invention.

Claims (9)

1. a kind of nozzle printing head of three-dimensional sand mold printer ten, it is characterised in that including printhead framework, be arranged on the printing The horizontal base of head base of frame, the casing fixed plate being arranged on front side of the printhead frame roof, the casing fixed plate Bottom is provided with central box, and liquid storage cylinder is provided with the central box, and the central box rear side is provided with and connects with the liquid storage cylinder Logical liquid inlet joint, the printhead framework is provided with the feed flow joint connected with the liquid inlet joint, in the central box Circuit panel seat is provided with, the circuit panel seat is provided with control board, and the base is provided with vertical shower nozzle mounting hole, described Shower nozzle mounting hole is bar hole, and the shower nozzle mounting hole is 10 and is arranged into two rows that the base top is provided with strip shower nozzle Installation pedestal, the shower nozzle installation pedestal bottom is provided with head body, and the head body is stretched into the shower nozzle mounting hole, institute State head body bottom and be provided with equally distributed nozzle, be provided with each described head body one connected with the nozzle point Cloth chamber, the central box of side is provided with the separating tube chamber connected with two side bottoms before and after the liquid storage cylinder before and after the liquid storage cylinder, The central box bottom is provided with the spray nozzle connected with separating tube bottom of chamber portion, and each separating tube chamber connects with 10 jet pipes Head connection, each distribution cavity is connected with two spray nozzles respectively by two flexible pipes.
2. a kind of nozzle printing head of three-dimensional sand mold printer ten according to claim 1, it is characterized in that, the control circuit The control line being electrically connected with the flow valve in the head body is respectively equipped with plate.
3. a kind of nozzle printing head of three-dimensional sand mold printer ten according to claim 1, it is characterized in that, the casing is fixed Plate bottom is provided with the vacuum orifice connected with the liquid storage cylinder, and the casing fixed plate rear side is provided with and is connected with the vacuum orifice Vacuumizing joint, the printhead framework is provided with and vacuumizes connecting seat with the vacuumizing joint is connected.
4. a kind of nozzle printing head of three-dimensional sand mold printer ten according to claim 3, it is characterized in that, the central box It is provided with the liquid level detecting sensor stretched into the liquid storage cylinder.
5. a kind of nozzle printing head of three-dimensional sand mold printer ten according to claim 4, it is characterized in that, in the liquid storage cylinder Three dividing plates be arrangeding in parallel vertically are provided with, i.e., the liquid storage cylinder is separated into four chambers by described dividing plate from left to right, described Gap is provided between dividing plate bottom and the liquid storage cylinder bottom, the liquid level detecting sensor and the liquid inlet joint are located at respectively In middle two chambers, the connected entrance of the separating tube chamber and the liquid storage cylinder is located at middle two chambers bottom rear.
6. a kind of nozzle printing head of three-dimensional sand mold printer ten according to claim 5, it is characterized in that, the vacuum orifice Positioned at the top of chamber residing for the liquid level detecting sensor.
7. a kind of nozzle printing head of three-dimensional sand mold printer ten according to claim 1, it is characterized in that, the printhead frame Top of the trellis is provided with the automatically controlled joint being electrically connected with the control board.
8. a kind of nozzle printing head of three-dimensional sand mold printer ten according to claim 1, it is characterized in that, the nozzle diameter It it is 50 μm, each described head body is provided with 128 nozzles.
9. a kind of nozzle printing head of three-dimensional sand mold printer ten according to claim 1, it is characterized in that, shower nozzle described in two rows Body is staggered, and two neighboring head body be arranged in parallel.
CN201710105163.XA 2017-02-25 2017-02-25 Ten-nozzle printing head of three-dimensional sand mold printer Active CN106734900B (en)

Priority Applications (1)

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

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2019037778A1 (en) * 2017-08-25 2019-02-28 北京机科国创轻量化科学研究院有限公司 Temperature-controllable sand-mold 3d printing liquid supplying system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US20150283751A1 (en) * 2014-04-07 2015-10-08 3D Total Solutions, Inc. 3d printer system with circular carousel and multiple material delivery systems
CN105500714A (en) * 2016-01-12 2016-04-20 无锡职业技术学院 Array-type forming 3D printing system
CN105665632A (en) * 2016-01-26 2016-06-15 机械科学研究总院先进制造技术研究中心 Self-adaption sand mould 3D printing molding method and device
CN106313498A (en) * 2016-09-08 2017-01-11 厦门理工学院 Manufacturing method for full jet printing type multi-nozzle spray head
CN106391363A (en) * 2015-07-29 2017-02-15 清华大学 Multi-spray-head multi-channel micro-droplet jetting equipment and process
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US20150283751A1 (en) * 2014-04-07 2015-10-08 3D Total Solutions, Inc. 3d printer system with circular carousel and multiple material delivery systems
CN106391363A (en) * 2015-07-29 2017-02-15 清华大学 Multi-spray-head multi-channel micro-droplet jetting equipment and process
CN105500714A (en) * 2016-01-12 2016-04-20 无锡职业技术学院 Array-type forming 3D printing system
CN105665632A (en) * 2016-01-26 2016-06-15 机械科学研究总院先进制造技术研究中心 Self-adaption sand mould 3D printing molding method and device
CN106313498A (en) * 2016-09-08 2017-01-11 厦门理工学院 Manufacturing method for full jet printing type multi-nozzle spray head
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019037778A1 (en) * 2017-08-25 2019-02-28 北京机科国创轻量化科学研究院有限公司 Temperature-controllable sand-mold 3d printing liquid supplying system
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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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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Effective date of registration: 20220505

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

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