CN108407042A - Building 3D printer continuous feeding system - Google Patents

Building 3D printer continuous feeding system Download PDF

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Publication number
CN108407042A
CN108407042A CN201810463264.9A CN201810463264A CN108407042A CN 108407042 A CN108407042 A CN 108407042A CN 201810463264 A CN201810463264 A CN 201810463264A CN 108407042 A CN108407042 A CN 108407042A
Authority
CN
China
Prior art keywords
stirring
spiral
hopper
building
discharge port
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
CN201810463264.9A
Other languages
Chinese (zh)
Inventor
耿天宝
黄海
许堃
于健
舒宝成
彭建伟
王仲汉
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.)
Anhui Shuzhi Construction Research Institute Co ltd
Anhui Zhongtie Engineering Material Technology Co ltd
China Tiesiju Civil Engineering Group Co Ltd CTCE Group
Original Assignee
Anhui Zhongtie Engineering Material Technology Co ltd
China Tiesiju Civil Engineering Group Co Ltd CTCE Group
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 Anhui Zhongtie Engineering Material Technology Co ltd, China Tiesiju Civil Engineering Group Co Ltd CTCE Group filed Critical Anhui Zhongtie Engineering Material Technology Co ltd
Priority to CN201810463264.9A priority Critical patent/CN108407042A/en
Publication of CN108407042A publication Critical patent/CN108407042A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00Producing shaped prefabricated articles from the material
    • B28B1/001Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
    • 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
    • B33Y40/00Auxiliary operations or equipment, e.g. for material handling

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

The invention discloses a continuous feeding system of a building 3D printer, which comprises a continuous pulping machine, a spiral pumping machine and a stirring spiral extruder, wherein the continuous pulping machine comprises a stirring bin and a spiral discharging pipeline communicated with the stirring bin, a discharging port of the spiral discharging pipeline is connected with a feeding port of the spiral pumping machine, a feeding port of the spiral pumping machine is connected with a feeding port of the stirring spiral extruder, and the stirring spiral extruder comprises a stirring bin, a stirring paddle shaft and a conical screw, wherein the stirring paddle shaft and the conical screw are arranged in the stirring bin. The invention efficiently makes pulp by the continuous pulping machine, and performs multi-level cache by the stirring bin of the continuous pulping machine, the spiral pumping machine and the stirring hopper of the stirring spiral extruder, thereby realizing continuous and uninterrupted feeding of the printer.

Description

A kind of building 3D printer continuous feeding system
Technical field
The present invention relates to building 3D printing field, specifically a kind of building 3D printer continuous feeding systems.
Background technology
3D printing(3DP) i.e. one kind of rapid shaping technique, it is one kind based on three-dimensional digital model file, is used The adhesive materials such as powdery metal or plastic construct the technology of object by layer-by-layer printing.Build 3D printing skill Art is the new application that developed on the basis of FDM (fused glass pellet), and principle is by three-dimensional slice software to building The threedimensional model for building component carries out slicing delamination generation printer movement code, is then driven by three coordinate mobile platforms of printer Dynamic extruder successively squeezes out special cement mortar, repeatedly stacks building element of the molding with utility function.
Currently, building 3D printer is influenced with printed material factor greatly by printing building element size, there are easy solidifications The easy failure of putty, feeding system can not the problems such as continuous feeding, feeding system the degree of automation are low, feed precision is difficult to control.
Invention content
The technical problem to be solved in the present invention is to provide a kind of building 3D printer continuous feeding systems, can realize raw material The automatic function of lacking material and monitor the control that accurately discharges with extruder of automatic stirring slurrying feed and system after input, effectively Improve building 3D printer production efficiency and print quality.
The technical scheme is that:
A kind of building 3D printer continuous feeding system, includes continous way pulper, and spiral pump machine and agitating auger squeeze out Machine;The continous way pulper includes stirring bunker, be set to stirring bunker in the auger that is driven by mixer drive Blade, the spiral discharging pipeline being connected to stirring bunker, the water supply line being connected to spiral discharging pipeline and it is set to stirring The discharge end of screw drives axis in feed bin and spiral discharging pipeline, the spiral discharging pipeline is provided with discharge port;It is described The feed inlet of spiral pump machine be connected to the discharge port of spiral discharging pipeline;The agitating auger extruder includes stirring Hopper, decelerating motor, stepper motor, the output shaft company with the mixing paddle axle of the output axis connection of decelerating motor, with stepper motor The screw drive shaft connect and the conical screw with screw drive axis connection, are provided at the top of the stirring hopper and spiral shell The feed inlet of the discharge port connection of pumping machine is revolved, the bottom end for stirring hopper is provided with discharge port, the mixing paddle axle and taper Screw rod may be contained in stirring hopper, and mixing paddle axle is hollow structure, and the screw drive shaft being connect with stepper motor passes through hollow Mixing paddle axle after connect with conical screw.
The stirring bunker includes the unclosed stirring warehouse in top and the warehouse lid for being connected to stirring warehouse top.
The continous way pulper further includes having feed bin supporting rack, and the stirring bunker is fixed on feed bin supporting rack On, it is fixed on the driving device for slow-run and screw drives axis connection of feed bin supporting rack, the spiral being connect with driving device for slow-run is driven Moving axis is extend into after passing through stirring bunker in spiral discharging pipeline.
The spiral pump rack is set to the lower section of spiral discharging pipeline, and the conveyance conduit of spiral pump machine is to tilt Mechanism, feed inlet are located at the top of neighbouring conveyance conduit, and discharge port is located at the bottom end of conveyance conduit, spiral pump machine into Caching hopper, the feed inlet on the discharge port direction caching hopper top of the spiral discharging pipeline are connected at material mouth.
The stirring hopper of the agitating auger extruder includes cylindrical tubular structure top and tapered tubular structure Lower part, the feed inlet of the stirring hopper is set to the top of stirring hopper and by delivery hose and spiral pump machine Discharge port connects, and the mixing paddle axle is set to the top of stirring hopper, and the conical screw is set to stirring hopper Lower part, the discharge port of the stirring hopper are set to the bottom end of stirring hopper lower part.
The decelerating motor of the agitating auger extruder is located at the lower section of stepper motor, is connect with stepper motor output shaft Screw drive shaft sequentially pass through decelerating motor retarder and hollow mixing paddle axle after connect with conical screw.
The top of the stirring hopper is built-in with level-sensing device, and bulkhead vibration is provided on the side wall of stirring hopper lower part The discharge port of device, stirring hopper lower part is connected with extruder head, screw drives axis, the spiral pump of the continous way pulper Machine, level-sensing device are connect with external control system.
Advantages of the present invention:
(1), the present invention agitating auger extruder, pass through stirring, ancillary vibration and the cone to cement mortar in taper feed bin Shape screw extrusion is capable of the extrusion cement mortar of uniformly continuous, improves printer print quality and stability, effectively prevent blocking up Material;
(2), the present invention high effective slurry preparation is carried out by continous way pulper, and pass through the stirring bunker of continous way pulper, spiral The caching hopper of pumping machine and the stirring hopper of agitating auger extruder carry out multi-level buffer, realize that printer continuously uninterruptedly supplies Material;
(3), the present invention control system by being arranged the level-sensing device on agitating auger extruder, in real time monitoring stirring hopper The material position of material, and startup continous way pulper carries out slurrying conveying automatically, spiral pump machine is pumped, operating personnel only need For the interval feed supplement of continous way pulper, effectively improve in the prior art that the degree of automation is low, personnel labor intensity is big, production The case where efficiency is low, putty high failure rate realizes function efficiently, in high quality buildings 3D printing.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Fig. 2 is the structural schematic diagram of continous way pulper and spiral pump machine of the present invention.
Fig. 3 is the structural schematic diagram of agitating auger extruder of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
See that Fig. 1-Fig. 3, a kind of building 3D printer continuous feeding system include continous way pulper, spiral pump machine With agitating auger extruder;
Stirring bunker and the screw drives dress that continous way pulper includes feed bin supporting rack 11, is fixed on feed bin supporting rack 11 It sets 14, be set to the interior packing auger blade 15 driven by mixer drive of stirring bunker, the spiral discharging being connected to stirring bunker Pipeline 16, the water supply line 18 being connected to spiral discharging pipeline 16 and the screw drives axis that is connect with driving device for slow-run 14 17, wherein stirring bunker includes the unclosed stirring warehouse 12 in top and is connected to the warehouse lid 13 for stirring 12 top of warehouse, with The screw drives axis 17 that driving device for slow-run 14 connects is extend into after passing through stirring bunker in spiral discharging pipeline 16, spiral discharging The discharge end of pipeline 16 is provided with discharge port 19;
Spiral pump machine 2 is set up in the lower section of spiral discharging pipeline 16, and the conveyance conduit of spiral pump machine 2 is leaning device, Its feed inlet is located at the top of neighbouring conveyance conduit, and discharge port is located at the bottom end of conveyance conduit, the feed inlet of spiral pump machine 2 Place is connected with caching hopper 21, the feed inlet of the discharge port 19 of spiral discharging pipeline 16 towards 21 top of caching hopper;Caching material Bucket 21 has a certain amount of caching capabilities, when cement mortar is continuously pumped into agitating auger extruder by spiral pump machine 2, continuously Formula pulper starts the pulp making operations of next batch, it is ensured that systems stay is constantly fed;
Agitating auger extruder includes to stir hopper 31, decelerating motor 32, stepper motor 33, the output shaft with decelerating motor 32 The mixing paddle axle 34 of connection connects with the screw drive shaft 35 of the output axis connection of stepper motor 33 and with screw drive shaft 35 The stirring hopper 31 of the conical screw 36 connect, agitating auger extruder includes cylindrical tubular structure top and tapered tubular knot The feed inlet of the lower part of structure, stirring hopper 31 is set to the top of stirring hopper 31 and by delivery hose 4 and spiral pump machine 2 Discharge port connection, the discharge port of stirring hopper 31 is set to the bottom end of stirring hopper 31 lower part, and mixing paddle axle 34, which is set to, to be stirred The top of spice bucket 31 and be hollow structure, conical screw 36 be set to stirring hopper 31 lower part, mix subtracting for extruser Speed motor 32 is located at the lower section of stepper motor 33, and the screw drive shaft 35 that axis connection is exported with stepper motor 33 sequentially passes through deceleration It is connect with conical screw 36 after the retarder of motor 32 and hollow mixing paddle axle 34;Wherein, the top of stirring hopper 31 is also interior It is equipped with level-sensing device 37, hopper wall vibrator 38, the discharge port of 31 lower part of stirring hopper are provided on the side wall of 31 lower part of stirring hopper It is connected with extruder head 39, the extruder head 39 of different bores, continous way slurrying can be replaced according to different materials and print component situation Screw drives axis 17, spiral pump machine 2, the level-sensing device 37 of machine are connect with external control system.
The lower part for stirring hopper 31 is tapered tube configuration, has the function of caching material, conical screw 36 is by stepper motor 33 drivings, it is ensured that material keeps the uniform extrusion of certain pressure according to setting flow;
The operation principle of the present invention:
Manually input cement, aggregate, additive small powder enter to stir in warehouse 12 first, according to the proportioning that control system is set, supply Waterpipe 18 is passed through gauge water, and carries out stirring pulping, and after the completion of waiting for slurrying, screw drives axis 17 is by cement mortar continuous conveying And drop into caching hopper 21, screw drives axis 17, spiral pump machine 2 stop conveying;Then the cement in hopper 21 is cached Mortar enters stirring in stirring hopper 31, and agitating auger extruder drives mixing paddle axle 34 uninterruptedly to stir by decelerating motor 32 Cement mortar is mixed, prevents its condensation from blocking, and stir the lower compression cement mortar of hopper 31 downwards, agitating auger extruder is logical The driving cone screw rod 36 of stepper motor 33 is crossed, continuously cement mortar, supply building are provided to replaceable extruder head 39 3D printer accumulation printing building structure is used.
When the level-sensing device 37 of agitating auger extruder detects cement mortar less than setting liquid level, control system control is continuous Screw drives axis 17, the spiral pump machine 2 of formula pulper are again started up the supply conveying for carrying out cement slurry, between realizing not Disconnected continuous feeding.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims (7)

1. a kind of building 3D printer continuous feeding system, it is characterised in that:Include continous way pulper, spiral pump machine and Agitating auger extruder;The continous way pulper includes stirring bunker, being set to stirring bunker, interior driven by stirring fills The packing auger blade for setting driving, the spiral discharging pipeline being connected to stirring bunker, the water supply line being connected to spiral discharging pipeline, with And it is set to the screw drives axis in stirring bunker and spiral discharging pipeline, the discharge end of the spiral discharging pipeline is provided with Discharge port;The feed inlet of the spiral pump machine is connected to the discharge port of spiral discharging pipeline;The agitating auger squeezes out Machine includes the mixing paddle axle and stepping electricity for the output axis connection for stirring hopper, decelerating motor, stepper motor and decelerating motor The screw drive shaft of the output axis connection of machine and the conical screw with screw drive axis connection, the top of the stirring hopper Portion is provided with the feed inlet being connect with the discharge port of spiral pump machine, and the bottom end for stirring hopper is provided with discharge port, and described stirs It mixes paddle shaft and conical screw may be contained in stirring hopper, mixing paddle axle is hollow structure, and the screw rod being connect with stepper motor drives Moving axis is connect after passing through hollow mixing paddle axle with conical screw.
2. a kind of building 3D printer continuous feeding system according to claim 1, it is characterised in that:The stirring material Storehouse includes the unclosed stirring warehouse in top and the warehouse lid for being connected to stirring warehouse top.
3. a kind of building 3D printer continuous feeding system according to claim 1, it is characterised in that:The continous way Pulper further includes having feed bin supporting rack, and the stirring bunker is fixed on feed bin supporting rack, is fixed on feed bin supporting rack Driving device for slow-run and screw drives axis connection, the screw drives axis being connect with driving device for slow-run stretch into after passing through stirring bunker Into spiral discharging pipeline.
4. a kind of building 3D printer continuous feeding system according to claim 1, it is characterised in that:The helicoidal pump The lower section for sending rack to be set to spiral discharging pipeline, and the conveyance conduit of spiral pump machine is leaning device, feed inlet is located at neighbour The top of nearly conveyance conduit, discharge port are located at the bottom end of conveyance conduit, and caching material is connected at the feed inlet of spiral pump machine Bucket, the feed inlet on the discharge port direction caching hopper top of the spiral discharging pipeline.
5. a kind of building 3D printer continuous feeding system according to claim 1, it is characterised in that:The stirring spiral shell The stirring hopper of rotation extruder includes the lower part on cylindrical tubular structure top and tapered tubular structure, the stirring hopper Feed inlet be set to stirring hopper top and connect with the discharge port of spiral pump machine by delivery hose, the stirring Paddle shaft is set to the top of stirring hopper, and the conical screw is set to the lower part of stirring hopper, the stirring hopper Discharge port is set to the bottom end of stirring hopper lower part.
6. a kind of building 3D printer continuous feeding system according to claim 1, it is characterised in that:The stirring spiral shell The decelerating motor of rotation extruder is located at the lower section of stepper motor, and the screw drive shaft being connect with stepper motor output shaft sequentially passes through It is connect with conical screw after the retarder of decelerating motor and hollow mixing paddle axle.
7. a kind of building 3D printer continuous feeding system according to claim 5, it is characterised in that:The stirring material The top of bucket is built-in with level-sensing device, and hopper wall vibrator, the discharging of stirring hopper lower part are provided on the side wall of stirring hopper lower part Mouth is connected with extruder head, the screw drives axis of the continous way pulper, spiral pump machine, level-sensing device with external control System connects.
CN201810463264.9A 2018-05-15 2018-05-15 Building 3D printer continuous feeding system Pending CN108407042A (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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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108943419A (en) * 2018-09-17 2018-12-07 中铁四局集团有限公司 Concrete continuous stirring pumping control system and control method based on 3D printing
CN109779260A (en) * 2018-10-22 2019-05-21 北京中瑞麦通科技有限公司 A kind of robot wisdom 3D building printer
CN110421681A (en) * 2019-07-10 2019-11-08 中国建筑第八工程局有限公司 Walking builds 3D printing process control system and method
CN110925217A (en) * 2019-11-29 2020-03-27 湖南工业大学 Special melt pump for high-filling wood-plastic composite material
CN111251410A (en) * 2020-01-16 2020-06-09 河北工业大学 Feeding mechanism and building 3D printing system using same
CN111391062A (en) * 2020-01-16 2020-07-10 华创智造(天津)科技有限公司 Desktop formula concrete 3D printer
CN111660527A (en) * 2020-05-25 2020-09-15 浙江雅盛塑胶有限公司 Extrusion equipment is used in production of environment-friendly food level cosmetics packaging hose
CN112440465A (en) * 2019-08-30 2021-03-05 精工爱普生株式会社 Three-dimensional molding device and injection molding device
CN112677282A (en) * 2020-12-02 2021-04-20 同济大学 Concrete 3D beats printer head and printing apparatus
CN113021562A (en) * 2021-04-16 2021-06-25 北京工业大学 Piezoelectric aggregate automation buries device underground based on cement base 3D prints
WO2021196850A1 (en) * 2020-04-02 2021-10-07 苏州美梦机器有限公司 Screw feeding device, and material extrusion system and method for 3d printing
CN114776009A (en) * 2022-04-21 2022-07-22 南京嘉翼精密机器制造股份有限公司 Building concrete 3D beats printer head and 3D printer

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GB1380082A (en) * 1971-02-25 1975-01-08 Matthews Co Worcester Ltd K R Feed hoppers
CN205713133U (en) * 2016-06-17 2016-11-23 佛山市联智新创科技有限公司 A kind of concrete-agitating pours device
US20170008193A1 (en) * 2013-12-10 2017-01-12 S&P Clever Reinforcement Company Ag Mixing and conveying facility for dry building materials from a supply silo
CN207105185U (en) * 2017-06-29 2018-03-16 济南栋源水泥制品有限公司 A kind of small-sized 3D building printing construction equipments that disclosure satisfy that office operation
CN207240867U (en) * 2017-07-21 2018-04-17 昆山博力迈三维打印科技有限公司 A kind of 3D printing head
CN208323696U (en) * 2018-05-15 2019-01-04 中铁四局集团有限公司 Building 3D printer continuous feeding system

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GB1380082A (en) * 1971-02-25 1975-01-08 Matthews Co Worcester Ltd K R Feed hoppers
US20170008193A1 (en) * 2013-12-10 2017-01-12 S&P Clever Reinforcement Company Ag Mixing and conveying facility for dry building materials from a supply silo
CN205713133U (en) * 2016-06-17 2016-11-23 佛山市联智新创科技有限公司 A kind of concrete-agitating pours device
CN207105185U (en) * 2017-06-29 2018-03-16 济南栋源水泥制品有限公司 A kind of small-sized 3D building printing construction equipments that disclosure satisfy that office operation
CN207240867U (en) * 2017-07-21 2018-04-17 昆山博力迈三维打印科技有限公司 A kind of 3D printing head
CN208323696U (en) * 2018-05-15 2019-01-04 中铁四局集团有限公司 Building 3D printer continuous feeding system

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108943419A (en) * 2018-09-17 2018-12-07 中铁四局集团有限公司 Concrete continuous stirring pumping control system and control method based on 3D printing
CN109779260A (en) * 2018-10-22 2019-05-21 北京中瑞麦通科技有限公司 A kind of robot wisdom 3D building printer
CN109779260B (en) * 2018-10-22 2023-12-05 北京美斯顿科技开发有限公司 Intelligent 3D building printer of robot
CN110421681A (en) * 2019-07-10 2019-11-08 中国建筑第八工程局有限公司 Walking builds 3D printing process control system and method
CN112440465A (en) * 2019-08-30 2021-03-05 精工爱普生株式会社 Three-dimensional molding device and injection molding device
CN110925217A (en) * 2019-11-29 2020-03-27 湖南工业大学 Special melt pump for high-filling wood-plastic composite material
CN111391062B (en) * 2020-01-16 2021-08-27 华创智造(天津)科技有限公司 Desktop formula concrete 3D printer
CN111251410A (en) * 2020-01-16 2020-06-09 河北工业大学 Feeding mechanism and building 3D printing system using same
CN111391062A (en) * 2020-01-16 2020-07-10 华创智造(天津)科技有限公司 Desktop formula concrete 3D printer
WO2021196850A1 (en) * 2020-04-02 2021-10-07 苏州美梦机器有限公司 Screw feeding device, and material extrusion system and method for 3d printing
CN111660527A (en) * 2020-05-25 2020-09-15 浙江雅盛塑胶有限公司 Extrusion equipment is used in production of environment-friendly food level cosmetics packaging hose
CN112677282A (en) * 2020-12-02 2021-04-20 同济大学 Concrete 3D beats printer head and printing apparatus
CN113021562A (en) * 2021-04-16 2021-06-25 北京工业大学 Piezoelectric aggregate automation buries device underground based on cement base 3D prints
CN113021562B (en) * 2021-04-16 2022-05-27 北京工业大学 Piezoelectric aggregate automation buries device underground based on cement base 3D prints
CN114776009A (en) * 2022-04-21 2022-07-22 南京嘉翼精密机器制造股份有限公司 Building concrete 3D beats printer head and 3D printer

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