CN109177161A - A kind of space multiple degrees of freedom increasing material manufacturing equipment based on continuous fiber reinforcement - Google Patents

A kind of space multiple degrees of freedom increasing material manufacturing equipment based on continuous fiber reinforcement Download PDF

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Publication number
CN109177161A
CN109177161A CN201810917192.0A CN201810917192A CN109177161A CN 109177161 A CN109177161 A CN 109177161A CN 201810917192 A CN201810917192 A CN 201810917192A CN 109177161 A CN109177161 A CN 109177161A
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CN
China
Prior art keywords
continuous fiber
print head
material manufacturing
mobile unit
increasing material
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
CN201810917192.0A
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Chinese (zh)
Inventor
丁希仑
张卡
张武翔
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Beihang University
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Beihang University
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Publication date
Application filed by Beihang University filed Critical Beihang University
Priority to CN201810917192.0A priority Critical patent/CN109177161A/en
Publication of CN109177161A publication Critical patent/CN109177161A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20Apparatus for additive manufacturing; Details thereof or accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10Processes of additive manufacturing
    • B29C64/106Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/118Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
    • 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
    • B33Y10/00Processes of additive manufacturing
    • 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 discloses a kind of space multiple degrees of freedom increasing material manufacturing equipment that can be realized continuous fiber reinforcement manufacture, and continuous fiber reinforcement technology is introduced into material increasing field.The present invention is made of five parts altogether: pedestal, turntable, vertical pivot, feed forming unit;Pedestal design has mobile unit, combines with vertical pivot and provides spatial position change for print head, and turntable provides spatial attitude variation for the material disc for work pieces process;Since the relative position of print head and workbench changes, the multidirectional fiber placement in space is can be achieved in the present invention.Feed forming unit includes print head, wire feeder, wire tray, realizes increasing material manufacturing using fused deposition technology.The present invention can be according to performance requirements such as External Shape, mechanics, during increasing material manufacturing, the continuous fiber of laying Spatial Multi-Dimensional degree trend, while a variety of basis materials of laying, and part properties are enhanced.

Description

A kind of space multiple degrees of freedom increasing material manufacturing equipment based on continuous fiber reinforcement
Technical field
The present invention relates to increases material manufacturing technology fields, specifically, be a kind of space based on continuous fiber reinforcement mostly from By degree increasing material manufacturing equipment.
Background technique
Increases material manufacturing technology becomes a popular direction in recent years.It uses discrete dynamics models principle, becomes a kind of novel Manufacture.Relative to it is traditional subtract material manufacture, etc. materials manufacture, increasing material manufacturing have rapid shaping, complex configuration zero easy to accomplish The features such as part.
Fused deposition technology is one kind of increases material manufacturing technology, it melts heat-fusible materials, is squeezed out by fine nozzle, Accumulation molding.Molding is fast, is simple to manufacture, can manufacture relatively high-precision complex configuration part.But it is restricted by material, Mostly heat-fusible materials, so forming part intensity is not high;Again because being accumulation molding, stack layer interlayer shear stress compared with Difference.The above reason limits the development of fused deposition increasing material manufacturing.
Continuous fiber reinforced composite materials (FRP) technology is a kind of common composite material enhancing technology, is widely used in Space flight, aviation, automobile manufacturing field.Such as fibre reinforced wing, carbon fiber automobile case, carbon fiber bicycle etc..Continuously The application of fibre reinforced composites technology has: automatic fiber placement technology, filament wounding techniques.
The mechanical property of composite material can be enhanced in continuous fiber, realizes performance complex optimum.But continuous fiber is compound Material fabrication process is complicated, often needs matched mold, is not suitable for small lot diversification production, while cost is very high.
Summary of the invention
In view of the above problems, the skills such as automatic fiber placement technology, filament winding that the present invention manufactures continuous fiber composite material Art is applied to material increasing field, proposes a kind of space multiple degrees of freedom increasing material manufacturing equipment based on continuous fiber reinforcement.With solution The certainly problem of increasing material manufacturing forming part poor mechanical property and continuous fiber composite material manufacture complexity.The present invention can be realized base The mixing increasing material manufacturing of body material and continuous fiber, and laying material can be moved towards in space arbitrary curve, pass through reasonable laying Mode realizes that workpiece enhances in the mechanics of specific direction.
The present invention is based on the space multiple degrees of freedom increasing material manufacturing equipment of continuous fiber reinforcement, including pedestal, turntable, transverse and longitudinal axis Mobile unit, vertical pivot mobile unit and feed forming unit.
The transverse and longitudinal axis mobile unit is set up on pedestal, is equipped with vertical pivot mobile unit in transverse and longitudinal axis mobile unit;It is perpendicular Axle unit has the sliding block moved up and down by vertical pivot driving driving;Detection components are installed on sliding block.Pass through transverse and longitudinal axis mobile unit And vertical pivot mobile unit realizes the movement in sliding block spatial triaxial direction jointly.
The turntable is mounted on the base with the adjustable material disc of spatial attitude.
The feed forming unit includes print head and wire feeder, and print head is installed on sliding block, and wire feeder is used for Material silk is fed to print head.Wire feeder is driven by stepper motor, and the material silk being wrapped in wire tray is pushed to print head, is sent Silk speed is consistent with respect to the movement velocity of turntable with print head;Expect that silk after the heating of print head inner cavity, is pressed by print-head nozzle Pressure is laid on the material disc of turntable, realizes material silk increasing material manufacturing process.By control print head and material disc six, space The position of dimension and the relative motion of posture, by material silk along space arbitrary trajectory laying increasing material manufacturing.
The present invention has the advantages that
1, the present invention is based on the space multiple degrees of freedom increasing material manufacturing equipment of continuous fiber reinforcement, bottom platform is movable, can be with Lay down fibre trend is controlled, laying, winding, package of fiber etc. can may be implemented in the arbitrarily reversed lay down fibre in space.
2, the present invention is based on the space multiple degrees of freedom increasing material manufacturing equipment of continuous fiber reinforcement, it can be achieved that space is multi-direction multiple Cross stacking manufacture is closed, the poor problem of the ply adhesion of part one direction manufacture generation is reduced;It can eliminate simultaneously traditional single The problem of toothed edge edge that layer heap product generates, reduction low precision.
3, the present invention is based on the space multiple degrees of freedom increasing material manufacturing equipment of continuous fiber reinforcement, realize multiple material selection, Pre-invasion continuous fiber merges manufacture with basis material, can be with quantitative choosing basis material and continuous fiber material proportion, can be with Enhance bonding of the basis material to continuous fiber, save the cost and rational deployment design of part space, while increasing in orientation direction Force the mechanical property of work part.
4, the present invention is based on the space multiple degrees of freedom increasing material manufacturing equipment of continuous fiber reinforcement, the detection based on infrared vision System can reduce foozle by system-computed with Real-time Feedback workpiece shapes.
5, the present invention is based on the space multiple degrees of freedom increasing material manufacturing equipment of continuous fiber reinforcement, using modularized design, often A unit is standalone module, and easy maintenance and replacement, compatibility is by force.
Detailed description of the invention
Fig. 1 is that the present invention is based on the space multiple degrees of freedom increasing material manufacturing equipment overall structure schematic diagrames of continuous fiber reinforcement;
Fig. 2 is that the present invention is based on the space multiple degrees of freedom increasing material manufacturing equipment intermediate station structural representations of continuous fiber reinforcement Figure;
Fig. 3 is that the present invention is based on the space multiple degrees of freedom increasing material manufacturing equipment turntable structure axonometric drawings of continuous fiber reinforcement.
In figure
1- pedestal 2- turntable 3- transverse and longitudinal axis mobile unit
4- vertical pivot mobile unit 5- is fed the bottom forming unit 101- erecting bed
102- column 103- back side panel 201- mounting base
202- longitudinally overturns arm 203- transverse rotation arm 204- material disc
205- overturns motor 206- and rotates speed reducer A 207- rotating electric machine A
208- rotates the driving of speed reducer B 209- rotating electric machine B 401- vertical pivot
402- sliding block 403- detection components 501- print head
The long-range wire-feed motor 504- of 502- wire tray 503- expects silk
Specific embodiment
Below in conjunction with attached drawing, the present invention is described in further detail.
The present invention is based on the space multiple degrees of freedom increasing material manufacturing equipment of continuous fiber reinforcement, including pedestal 1, turntable 2, transverse and longitudinal Axis mobile unit 3, vertical pivot mobile unit 4 and feed forming unit 5, as shown in Figure 1.
The pedestal 1 includes bottom erecting bed 101, column 102 and back side panel 103.Wherein, bottom erecting bed 101 is vertical Column 102, back side panel 103 and turntable 2 provide installation site, are the bottom supports of whole equipment.101 left and right sides of bottom erecting bed Column 102, back side panel 103 after the installation of rear portion are installed.
The transverse and longitudinal axis mobile unit 2 is installed on 1 liang of heel post 102 of pedestal, including horizontal axis mobile unit and the longitudinal axis move Moving cell.Wherein, longitudinal axis mobile unit is installed in two heel posts 102, is located at the top of column;Horizontal axis mobile unit is installed on vertical In axis mobile unit.;It can control that installs in horizontal axis mobile unit to erect from there through longitudinal axis mobile unit and horizontal axis mobile unit Axis mobile unit 4 is moved left and right along x-axis and is moved forward and backward along y-axis.
The turntable 2 includes mounting base 201, longitudinal overturning arm 202, transverse rotation arm 203, material disc 204, overturning Motor 205, rotation speed reducer A206, rotating electric machine A207, rotation speed reducer B208 and rotating electric machine B209, such as Fig. 2, Fig. 3 institute Show.Wherein, mounting base 201 is fixed on 101 front of bottom erecting bed, and 201 side of mounting base is equipped with overturning motor 205, overturning 205 output shaft of motor is arranged in left-right direction.There is groove in mounting base 201, inside is used to install longitudinal overturning arm 202, Longitudinal overturning arm 202 is also fixed with overturning 205 output shaft of motor simultaneously, drives longitudinal overturning from there through overturning motor 205 Arm 202 is spun upside down.Rotation speed reducer A206 and rotating electric machine A207 is installed inside longitudinal overturning arm 202, rotation subtracts Fast machine A206 is coaxially installed on rotating electric machine A207 output shaft.203 rear end of transverse rotation arm is fixedly installed in rotation and slows down On machine A206 flange, transverse rotation hand is driven after rotation speed reducer A207 slows down from there through rotating electric machine A207 output power Arm 203 rotates.Rotation speed reducer B208 and rotating electric machine 209 are installed inside same transverse rotation arm 203, rotate speed reducer B208 is coaxially installed on rotating electric machine B209 output shaft.Material disc 204 is mentioned for carrying processing, the installation of 204 bottom end of material disc In on rotation speed reducer B206 flange, driven after rotation speed reducer B209 slows down from there through rotating electric machine B209 output power Material disc 204 rotates.It is final real from there through the superposition of the movement of above-mentioned longitudinal overturning arm 202, transverse rotation arm 203 Existing 204 spatial attitude of material disc is adjusted, and in conjunction with the rotation of material disc itself, the spatial attitude for being able to achieve processome is freely adjusted.
The vertical pivot unit 4 includes that vertical pivot drives 401, sliding block 402 and detection components 403, as shown in Figure 1.Wherein, vertical pivot Driving 401 is installed in the horizontal axis mobile unit in transverse and longitudinal axis mobile unit 3;Sliding block 402 is mounted in vertical pivot driving 401, by 401 band movable slider 402 of vertical pivot driving moves up and down along the z-axis direction.Detection components 403 are fixedly mounted on 402 side wall of sliding block, can It is moved up and down with sliding block 402;Detection components 403 can return to zero position, equipment leveling and workpiece configurations measurement etc. for present device Function provides detection data.
The feed forming unit 5 includes print head 501 and wire feeder, as shown in Figure 1.Wherein, print head 501 is installed In 402 bottom surface of sliding block of vertical pivot unit 4, x, y, z can be realized by transverse and longitudinal axis mobile unit 3 in pedestal 1 and vertical pivot unit 4 jointly The movement of three axis directions.Print head 501 can provide two kinds of raw material accumulation molding, first is that the continuous fiber of pre-invasion, Another kind is basis material.Continuous fiber can be carbon fiber wire, silk, flaxen fiber silk, glass fiber of pre-invasion etc., Basis material can be the resins such as chopped strand reinforced resin, PLA, ABS.Wire feeder is long-range wire feeding mode, including wire tray 502 With long-range wire-feed motor 503;Wherein, wire tray 502 and long-range wire-feed motor 503 are two;Two 502 axis of wire tray are connected to pedestal 1 103 leading flank left-right position of back side panel;Two long-range wire-feed motors 503 are fixedly installed in 103 top surface of back side panel of pedestal 1 or so position It sets.Long-range wire-feed motor 503 is driven by stepper motor, and the material silk 504 being wrapped in wire tray 502 is pushed to print head 501, is sent Silk speed is consistent with respect to the movement velocity of turntable 2 with print head 501.Expect that silk 504 is heated to suitable temperature in 501 inner cavity of print head Degree, is then laid on the material disc 204 of turntable 2 by the nozzle pressing of print head 501, realizes material 504 increasing material manufacturing of silk Journey.Final control print head 501 and material disc 204 will expect silk 504 in the position of six, space dimension and the relative motion of posture Along space arbitrary trajectory laying increasing material manufacturing.

Claims (5)

1. a kind of space multiple degrees of freedom increasing material manufacturing equipment based on continuous fiber reinforcement, it is characterised in that: including pedestal, turn Platform, transverse and longitudinal axis mobile unit, vertical pivot mobile unit and feed forming unit;
The transverse and longitudinal axis mobile unit is set up on pedestal, is equipped with vertical pivot mobile unit in transverse and longitudinal axis mobile unit;Vertical pivot list Member has the sliding block moved up and down by vertical pivot driving driving;Detection components are installed on sliding block;By transverse and longitudinal axis mobile unit and Vertical pivot mobile unit realizes the movement in sliding block spatial triaxial direction jointly;
The turntable is mounted on the base with the adjustable material disc of spatial attitude;
The feed forming unit includes print head and wire feeder, and print head is installed on sliding block, and wire feeder is used for beating Print head feeding material silk.
2. a kind of space multiple degrees of freedom increasing material manufacturing equipment based on continuous fiber reinforcement as described in claim 1, feature exist In: turntable includes mounting base, longitudinal overturning arm, transverse rotation arm, material disc, overturning motor, rotation speed reducer A, rotation Motor A, rotation speed reducer B and rotating electric machine B;Wherein, longitudinal overturning arm is installed in mounting base, it is longitudinal by overturning motor driven Overturning arm is spun upside down;Rotation speed reducer A and rotating electric machine A is installed inside longitudinal overturning arm, rotates speed reducer A flange Upper fixed lateral full wind-up;By rotating electric machine A driving transverse rotation arm rotation;Rotation is installed inside transverse rotation arm Speed reducer B and rotating electric machine, material disc are installed on rotation speed reducer B flange, by rotating electric machine B driving material disc rotation.
3. a kind of space multiple degrees of freedom increasing material manufacturing equipment based on continuous fiber reinforcement as described in claim 1, feature exist In: print head provides two kinds of raw material accumulation molding, first is that the continuous fiber of pre-invasion, another kind is basis material; Continuous fiber is the carbon fiber wire or silk or flaxen fiber silk or glass fiber of pre-invasion;Basis material is chopped strand increasing Strong resin or PLA or ABS.
4. a kind of space multiple degrees of freedom increasing material manufacturing equipment based on continuous fiber reinforcement as described in claim 1, feature exist In: wire feeder includes wire tray and long-range wire-feed motor;Wherein, wire tray axis is connected on the erecting bed designed on pedestal;Long-range wire feed Machine is fixed at the top of erecting bed.
5. a kind of space multiple degrees of freedom increasing material manufacturing equipment based on continuous fiber reinforcement as described in claim 1, feature exist In: wire feeder is driven by stepper motor, and the material silk being wrapped in wire tray is pushed to print head, wire feed rate and print head The movement velocity of opposite turntable is consistent;Silk is expected after the heating of print head inner cavity, and turntable is laid in by print-head nozzle pressing On material disc, material silk increasing material manufacturing process is realized;Position and appearance by control print head and material disc in six, space dimension The relative motion of state, by material silk along space arbitrary trajectory laying increasing material manufacturing.
CN201810917192.0A 2018-08-13 2018-08-13 A kind of space multiple degrees of freedom increasing material manufacturing equipment based on continuous fiber reinforcement Pending CN109177161A (en)

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Application Number Priority Date Filing Date Title
CN201810917192.0A CN109177161A (en) 2018-08-13 2018-08-13 A kind of space multiple degrees of freedom increasing material manufacturing equipment based on continuous fiber reinforcement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810917192.0A CN109177161A (en) 2018-08-13 2018-08-13 A kind of space multiple degrees of freedom increasing material manufacturing equipment based on continuous fiber reinforcement

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111037050A (en) * 2019-12-12 2020-04-21 北京航空航天大学 Visual sense-based GTA additive manufacturing system and control method
CN113204214A (en) * 2021-04-28 2021-08-03 中国人民解放军陆军装甲兵学院 Mobile modular multi-energy beam energy field material increasing and decreasing composite repair equipment and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204585872U (en) * 2015-03-20 2015-08-26 西安工程大学 Planer-type placement of fibrous belt machine
CN105408092A (en) * 2013-07-18 2016-03-16 三菱电机株式会社 Apparatus and method for printing 3d objects using additive manufacturing and material extruder with translational and rotational axes
CN106079436A (en) * 2016-06-07 2016-11-09 西安交通大学 A kind of 3D prints continuous fiber reinforced composite materials and reclaims reproducing method
CN107081902A (en) * 2017-06-28 2017-08-22 辽宁三维蚂蚁科技有限公司 It is a kind of to remove the increasing material former and its forming method of shaping workpiece automatically

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105408092A (en) * 2013-07-18 2016-03-16 三菱电机株式会社 Apparatus and method for printing 3d objects using additive manufacturing and material extruder with translational and rotational axes
CN204585872U (en) * 2015-03-20 2015-08-26 西安工程大学 Planer-type placement of fibrous belt machine
CN106079436A (en) * 2016-06-07 2016-11-09 西安交通大学 A kind of 3D prints continuous fiber reinforced composite materials and reclaims reproducing method
CN107081902A (en) * 2017-06-28 2017-08-22 辽宁三维蚂蚁科技有限公司 It is a kind of to remove the increasing material former and its forming method of shaping workpiece automatically

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
杨晓钧,李兵编著: "《工业机器人技术》", 31 August 2015, 哈尔滨:哈尔滨工业大学出版社 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111037050A (en) * 2019-12-12 2020-04-21 北京航空航天大学 Visual sense-based GTA additive manufacturing system and control method
CN113204214A (en) * 2021-04-28 2021-08-03 中国人民解放军陆军装甲兵学院 Mobile modular multi-energy beam energy field material increasing and decreasing composite repair equipment and method
CN113204214B (en) * 2021-04-28 2024-04-09 中国人民解放军陆军装甲兵学院 Movable modularized multi-energy beam energy field material increasing and decreasing composite repairing equipment and method

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