CN107322923B - Colour contamination, colour mixture integral type colour 3D printer - Google Patents

Colour contamination, colour mixture integral type colour 3D printer Download PDF

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Publication number
CN107322923B
CN107322923B CN201710747030.2A CN201710747030A CN107322923B CN 107322923 B CN107322923 B CN 107322923B CN 201710747030 A CN201710747030 A CN 201710747030A CN 107322923 B CN107322923 B CN 107322923B
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CN
China
Prior art keywords
colour
melt flow
control device
colour mixture
pan feeding
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Application number
CN201710747030.2A
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Chinese (zh)
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CN107322923A (en
Inventor
朱文祥
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 shuchuang Electrical Technology Development Co., Ltd. Funan branch
Original Assignee
Anhui Shuchuang Electrical Technology Development Co Ltd Funan Branch
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Application filed by Anhui Shuchuang Electrical Technology Development Co Ltd Funan Branch filed Critical Anhui Shuchuang Electrical Technology Development Co Ltd Funan Branch
Priority to CN201710747030.2A priority Critical patent/CN107322923B/en
Priority to CN201810177158.4A priority patent/CN108215168A/en
Priority to CN201810177168.8A priority patent/CN108215169A/en
Priority to CN201810177124.5A priority patent/CN108407282A/en
Priority to CN201810177157.XA priority patent/CN108454091A/en
Publication of CN107322923A publication Critical patent/CN107322923A/en
Application granted granted Critical
Publication of CN107322923B publication Critical patent/CN107322923B/en
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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
    • B29C67/00Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/0007Manufacturing coloured articles not otherwise provided for, e.g. by colour change
    • 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
    • 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
    • B29C64/30Auxiliary operations or equipment
    • B29C64/307Handling of material to be used in additive manufacturing
    • B29C64/314Preparation
    • 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
    • B29C64/30Auxiliary operations or equipment
    • B29C64/307Handling of material to be used in additive manufacturing
    • B29C64/321Feeding
    • B29C64/336Feeding of two or more materials
    • 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
    • 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
    • B33Y50/00Data acquisition or data processing for additive manufacturing
    • B33Y50/02Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes

Abstract

The invention discloses colour contamination, colour mixture integral type colour 3D printers, it includes supportive body, is set to supportive body upper end and the pan feeding control device for controlling raw material flow direction, pan feeding control device is arranged between colour contamination boot state and colour mixture boot state to switch, and when in colour contamination boot state, pan feeding control device receive multiply solid feed and bootable multiply solid feed successively deeply in corresponding monochromatic melt flow road;When pan feeding control device is in colour mixture boot state, pan feeding control device receives multiply solid feed and guides into mixing mechanism and generate molten state mixture, and pan feeding control device simultaneously guides molten state mixed raw material to enter in one of monochromatic melt flow road.

Description

Colour contamination, colour mixture integral type colour 3D printer
Technical field
The present invention relates to a kind of 3D printer, more particularly to a kind of colored 3D printer.
Background technology
3D printing brings worldwide manufacturing industry revolution, be in the past part design place one's entire reliance upon production technology can be real It is existing, and the appearance of 3D printer, it will this production thinking is overturned, this makes enterprise not consider further that life when producing component The design of production. art problem, any complicated shape can be realized by 3D printer;3D printing is without mechanical processing or mould Tool, can generate the object of any shape directly from computer graphics data, to highly shortened the production week of product Phase improves productivity.Although being still left to be desired, 3D printing technique market potential is huge, certainly will become following manufacturing One of numerous break-through skills.
Existing 3D printer mostly uses monochrome and is printed, and color printer mostly uses colour mixture formula raw material and printed, The mixture generated after the raw material mixing of multiple color;3D printer currently on the market there is no using colour contamination formula raw material into Row printing, the colour contamination formula raw material is that the raw material series connection of multistage different color is made, required due to different print objects Colour contamination length and color allocation scheme it is different, formulated before can not accomplishing the printing of colour contamination raw material, therefore, constrain colour contamination and beat The realization of India side formula.
Invention content
To solve the deficiencies in the prior art, the object of the present invention is to provide a kind of achievable colour contamination printing and colour mixture printings It is incorporated into integrated 3D printer.
To realize the above-mentioned technical purpose, the technical solution of use of the invention is as follows.
Colour contamination, colour mixture integral type colour 3D printer comprising supportive body is set to supportive body upper end and uses In control raw material flow direction pan feeding control device, be set to supportive body lower end and can be around the rotation master of own axis The lower end of body, rotating body is provided with several extruder heads arranged along its circumferencial direction uniform intervals, rotating body and branch The interface for being provided with that quantity is identical as extruder head quantity and is connected in one-to-one correspondence with extruder head in the contact face of main body is supportted, Several monochromatic melt flow roads for receiving the raw material that pan feeding control device provides, and therein one are provided on supportive body Wherein one mutually connection of a interface and monochromatic melt flow road;
Above-mentioned pan feeding control device is arranged between colour contamination boot state and colour mixture boot state to switch, and When in colour contamination boot state, pan feeding control device receives multiply solid feed and the depth of bootable multiply solid feed successively Enter to corresponding monochromatic melt flow road;When pan feeding control device is in colour mixture boot state, it is solid that pan feeding control device receives multiply State raw material is simultaneously guided in mixing mechanism and generating molten state mixture, pan feeding control device and guide molten state mixed raw material into Enter into one of monochromatic melt flow road.
Pan feeding control device includes frame body, and the haul hole that guiding solid feed enters is provided on frame body, supportive body Upper end is provided with the guide groove for guiding frame body to move in the horizontal direction, is provided on supportive body in guide groove and edge The interval-staggered monochromatic melt flow road of guide groove guide direction, colour mixture feeding channel, frame body be connected to be oriented to switching mechanism and Being oriented to the power of switching mechanism output can realize that pan feeding control device is moved along the guide direction of guide groove and realized in colour contamination guiding Switch between state and colour mixture boot state;Under colour contamination boot state, haul hole guiding solid feed enters to monochromatic melt flow In road;Under colour mixture boot state, haul hole guiding solid feed enters in colour mixture feeding channel;The discharging of colour mixture feeding channel End is connected to mixing mechanism.
Mixing mechanism includes batch mixing cover body, and the mixing chamber that can accommodate raw material is provided in batch mixing cover body, is gone back on batch mixing cover body Several are provided with colour mixture feeding channel in corresponding and can receive raw material that colour mixture feeding channel imports and by raw material The material receiving port being directed into mixing chamber is additionally provided with for being crushed, being mixed to the raw material in mixing chamber in batch mixing cover body Batch mixing mandrel, the driving end of batch mixing mandrel is connected to the power supply component of feeding unit and by power supply member drives Rotation of the batch mixing mandrel around own axes.
The discharge end of batch mixing cover body is additionally provided with the batch mixing connected with mixing chamber and squeezes out channel, is provided on supportive body It can receive the colour mixture melt flow road that batch mixing squeezes out the raw material that channel provides, the other end in colour mixture melt flow road and one of monochromatic melt flow Road is connected.
The colour contamination and batch mixing Method of printing, method of colored 3D printer include:
S1:Injection color different solid feed or molten state are former in three strands of monochromatic melt flow roads on supportive body Material can generate the heat for making it melt when the raw material of injection is solid feed by the main calandria being set on supportive body Energy;
S2:It rotates rotating body and adjusts the extruder head connected with melt flow road;Since rotating body is set to supportive body Bottom surface and several can be provided on own axis, the bottom surface of rotating body along its circumferencial direction uniform intervals The extruder head of arrangement, rotating body be provided in the contact face of supportive body quantity it is identical as extruder head quantity and with squeeze It is in the interface for corresponding and connecting to lift one's head, and wherein one mutually connection of one of interface and melt flow road;Each Extruder head can only squeeze out the raw material of identical single color, by the rotation of rotating body to realize the printing of colour contamination;
S3:It is further opened on supportive body and the colour mixture melt flow road that wherein one monochromatic melt flow road is connected, colour mixture melt flow The feeding end in road is connected with mixing mechanism, and the mixing mechanism includes batch mixing cover body, and original can be accommodated by being provided in batch mixing cover body The mixing chamber of material is additionally provided with the batch mixing mandrel for being crushed, being mixed to the raw material in mixing chamber in batch mixing cover body, mixes The driving end of material mandrel is connected to the power supply component of feeding unit and by power supply member drives batch mixing mandrel around certainly The rotation of body axis, batch mixing mandrel can push the raw material in mixing chamber to flow to colour mixture melt flow road, the extruder head under vertical state When being connected by monochromatic melt flow road and colour mixture melt flow road, you can extrusion mixing material.
In above-mentioned step S2, the inclined bottom surface for being arranged in supportive body of rotating body, and in rotating body Angle between mandrel line and perpendicular is δ, and the extruder head for being set to rotating body bottom surface is obliquely arranged, extruder head Central axis and rotating body central axis between the angle of cut be β, wherein angle δ be equal to angle of cut β, the central axis of extruder head It is γ with angle of the plane where rotating body central axis between reference plane a, adjacent reference plane a, wherein rotation master The angle that body rotates every time is the integral multiple of angle γ;It is set to above-mentioned rotating body and is in extruder head arranged in a vertical direction It is connected by the exhaust end of the interface connected with it and one of above-mentioned melt flow road.
More perfectly, the number in monochromatic melt flow road is three, and the number of extruder head is four, can be there are three extruder head For exhaust end under vertical state with three monochromatic melt flow roads in connection is corresponded, one of extruder head can be under vertical state It is connected with the exhaust end in all monochromatic melt flow roads and realizes colour mixture in the extruder head, and form colour mixture material.
The advantageous effect that the present invention obtains compared with prior art is that the present invention provides practicable 3D printers Colour contamination print embodiment, and the present invention colour contamination printing technique and colour mixture printing technique are also incorporated into one, it can be achieved that Multipurpose prints.
Description of the drawings
In order to illustrate the embodiments of the present invention more clearly, attached drawing needed in the embodiment will be done simply below It introduces, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ordinary skill people For member, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the structural schematic diagram of pan feeding control device.
Fig. 3 is the structural schematic diagram of frame body.
Fig. 4 is the structural schematic diagram of bonding mechanism.
Fig. 5 is the structural schematic diagram of bonding mechanism.
Fig. 6 is the structural schematic diagram of feeding unit.
Fig. 7 is the structural schematic diagram for being oriented to switching mechanism and matching with frame body.
Fig. 8 is the structural schematic diagram that supportive body matches with frame body.
Fig. 9 is the structural schematic diagram of supportive body.
Figure 10 is the structural schematic diagram of mixing mechanism.
Figure 11 is the structural schematic diagram of batch mixing cover body.
Figure 12 is the structural schematic diagram that feeding unit matches with mixing mechanism.
Figure 13 is the structural schematic diagram that supportive body matches with batch mixing cover body.
Figure 14 is the structural schematic diagram of batch mixing mandrel.
Figure 15 is the structural schematic diagram of supportive body.
Figure 16 is the structural schematic diagram of supportive body.
Figure 17 is the structural schematic diagram of rotating body.
Figure 18 is the structural schematic diagram that supportive body matches with rotating body, switching power supply device.
Figure 19 is the colour mixture material structural schematic diagram that the common discharge in multiple monochromatic melt flow roads generates.
It is denoted as in figure:
10, supportive body;110, main heat source mounting hole;120, monochromatic melt flow road;130, colour mixture feeding channel;140, colour mixture Melt flow road;150, guide groove;160, rotary rail;170, center connecting hole;
20, rotating body;210, track groove;220, frustum;230, interface;240, fastener shaft;250, extruder head;
30, main calandria;
40, switch power supply device;410, power generating unit;420, power reception component;430, power output portion Part a;440, power output part b;450, connecting shaft;460, turbine;
50, pan feeding control device;510, frame body;511, clip slot;512, haul hole;513, locating notch;514, it is oriented to and lacks Mouthful;515, journal stirrup;
60, bonding mechanism;610, driving lever;620, wheel body is clamped;630, power wheel body;640, dynamic clamping head and quiet clamping head;650, draw Material set;
70, feeding unit;710, power supply component;720, driving pulley a;730, drive shaft members;731, external key;740, Counter wheel;750, shifting block;760, worm screw;770, the first lead screw;
80, it is oriented to switching mechanism;810, component occurs for power;820, driving pulley b;830, driven pulley b;
90, mixing mechanism;910, batch mixing cover body;920, material receiving port;930, driven pulley a;940, batch mixing mandrel;941, it mixes Close reduction stage;942, end plate;943, flow-disturbing mixing section;944, blade;
950, batch mixing heat source mounting hole;960, batch mixing squeezes out channel.
Specific implementation mode
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete Ground describes, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole embodiments.Based on this hair Embodiment in bright, those of ordinary skill in the art without making creative work, the every other reality obtained Example is applied, the scope of the present invention is belonged to.
The solid feed referred in the present invention is the conventional consumptive material of 3D printer, the linear structure of the solid feed.
As shown in Fig. 1-18, colour contamination, colour mixture integral type colour 3D printer comprising supportive body 10 is set to support 10 upper end of main body and for controlling the pan feeding control device 50 of raw material flow direction, being set to 10 lower end of supportive body and can be around The lower end of the rotating body 20 of own axis, rotating body 20 is provided with several along its circumferencial direction uniform intervals cloth The extruder head 250 set, rotating body be provided in the contact face of supportive body quantity it is identical as 250 quantity of extruder head and With extruder head in the interface connected is corresponded, it is provided with several on supportive body 10 and is carried for receiving pan feeding control device 50 The monochromatic melt flow road 120 of the raw material of confession, and wherein one mutually connection of one of interface and monochromatic melt flow road 120. The raw material of different colours is placed in a plurality of monochrome melt flow road respectively, passes through the rotation and adjustment of rotating body 20 and corresponding melt flow 250 position of extruder head that road is connected, to ensure that the raw material of different colours realizes that squeezing out quantitative, the extrusion capacity of molten state raw material are Volume according to target print object is calculated, and can carry out the switching of different color raw material in real time, realizes colour contamination printing Purpose.
More perfectly, be arranged to can be in colour contamination boot state and colour mixture boot state for above-mentioned pan feeding control device 50 Between switch, and when in colour contamination boot state, pan feeding control device 50 receives multiply solid feed and bootable multiply Solid feed successively deeply in corresponding monochromatic melt flow road 120;When pan feeding control device 50 is in colour mixture boot state, enter Material control device 50 receives multiply solid feed and guides into mixing mechanism 90 and generate molten state mixed raw material, pan feeding control Device 50 simultaneously guides molten state mixed raw material to enter in one of monochromatic melt flow road 120.
As shown in Fig. 2,3,7-9, pan feeding control device 50 includes frame body 510, and guiding solid feed is provided on frame body 510 The haul hole 512 of entrance, the upper end of supportive body 10 are provided with the guide groove for guiding frame body 510 to move in the horizontal direction 150, it is provided on supportive body 10 in guide groove 150 and molten along the interval-staggered monochrome of 150 guide direction of guide groove Runner 120, colour mixture feeding channel 130, frame body 510, which is connected to, to be oriented to switching mechanism 80 and is oriented to the dynamic of the output of switching mechanism 80 Power can realize that pan feeding control device 50 is moved along the guide direction of guide groove 150 and realized in colour contamination boot state and colour mixture guiding Switch between state;Under colour contamination boot state, haul hole 512 guides solid feed to enter in monochromatic melt flow road 120;Colour mixture is drawn It leads under state, haul hole 512 guides solid feed to enter in colour mixture feeding channel 130;The delivery end of colour mixture feeding channel 130 It is connected to mixing mechanism 90.
More perfectly, referring to attached drawing 8,9, above-mentioned haul hole 512, monochromatic melt flow road 120, colour mixture feeding channel 130 It is three strands;Monochromatic melt flow road can be extended respectively to by the solid feed of three kinds of different colours of guiding of pan feeding control device 50 In 120 or extend respectively in colour mixture feeding channel 130.
As shown in Fig. 1,2,10-14, mixing mechanism 90 includes batch mixing cover body 910, is provided with and can accommodate in batch mixing cover body 910 The mixing chamber of raw material is additionally provided with several on batch mixing cover body 910 with colour mixture feeding channel 130 in corresponding and can receive The raw material that colour mixture feeding channel 130 imports and the material receiving port 920 that introduces a material into mixing chamber are also set in batch mixing cover body 910 It is useful for the batch mixing mandrel 940 for being crushed, being mixed to the raw material in mixing chamber, the driving end of batch mixing mandrel 940 connects It is connected to the power supply component 710 of feeding unit 70 and drives batch mixing mandrel 940 around own axes by power supply component 710 Rotation.
As shown in Fig. 9,11,15, the discharge end of batch mixing cover body 910, which is additionally provided with the batch mixing connected with mixing chamber and squeezes out, to be led to Road 960, the colour mixture melt flow road 140 that receivable batch mixing squeezes out the raw material that channel 960 provides is provided on supportive body 10, and colour mixture is molten The other end of runner 140 is connected with one of monochromatic melt flow road 120.
As shown in Fig. 2,3,7,8, it includes that component 810, driving pulley b820, driven belt occur for power to be oriented to switching mechanism 80 B830 is taken turns, power occurs component 810 and end is driven to be provided with driving pulley b820, between driving pulley b820, driven pulley b830 By synchronous band connection, driven pulley b830 has been fixedly and coaxially connected the second lead screw, and the output end of the second lead screw is connected to frame The rotary force that body 510 and the second lead screw provide can drive frame body 510 to be moved along the guide direction of guide groove 150.Structure is occurred by power Part 810(Motor)There is provided power, and via driving pulley b820, driven pulley b830 and be set to driving pulley b820, from Synchronous belt is transferred to the second lead screw between movable belt pulley b830, provides rotary force by the second lead screw and drives frame body 510 along guide groove 150 Guide direction movement, wherein frame body 510 along the guide direction motion process of guide groove 150, it can be achieved that haul hole 512 with it is single The switching connected between color melt flow road 120, colour mixture feeding channel 130.
More perfectly, the bottom of above-mentioned frame body 510 is provided with the guide rail to match with guide groove 150, the bottom of frame body 510 Portion is additionally provided with the journal stirrup 515 being connected with the second lead screw;More optimally, it is installed with for journal stirrup on supportive body 10 The 515 evacuation guide grooves passed through.
As shown in Fig. 1,2,10-14, batch mixing auxiliary heat source is installed on batch mixing cover body 910, the auxiliary heat source of batch mixing can be to mixing chamber Interior transmission heat source and by the melting sources in mixing chamber, the batch mixing arranged with mixing chamber coaxial line is provided in batch mixing cover body 910 Mandrel 940, the batch mixing mandrel 940 include mixing reduction stage 941, flow-disturbing mixing section 943, mix reduction stage 941 and flow-disturbing 943 coaxial line of mixing section is arranged and 910 both ends of batch mixing cover body that are placed in, and mixing reduction stage 941 is for the broken and mixed of raw material Closing reduction stage 941 can push raw material to be moved towards 943 direction of flow-disturbing mixing section, and flow-disturbing mixing section 943 is used for molten state raw material It uniformly mixes and raw material can be pushed to squeeze out channel 960 to batch mixing and flow.
As shown in figure 14, mixing reduction stage 941 end and batch mixing cover body 910 between be additionally provided with for mixing chamber into The end plate 942 of row sealing.
As shown in figure 14, it is additionally provided on flow-disturbing mixing section 943 along its circumferencial direction uniform intervals arrangement and the side of bending To blade 944 identical with 943 rotation direction of flow-disturbing mixing section, pusher notch, the pusher notch are offered on blade 944 Rotational trajectory and batch mixing squeeze out channel 960 and be connected;Advantage is, by molten state original by the way of Inner extrusion Material is squeezed into batch mixing and is squeezed out in channel 960, and pusher notch can guarantee the smoothness that molten state raw material squeezes out.
As shown in figure 12, it is connected by mediation member between the driving end and feeding unit 70 of batch mixing mandrel 940, by Feeding unit 70 provides power and batch mixing mandrel 940 is driven to work.
More specifically, feeding unit 70 includes power supply component 710(Motor), be set to power supply component 710 Output shaft and the driving pulley a720 that can receive rotary force, driving pulley a720 is by mediation member and is set to batch mixing core Axis 940 drives the driven pulley a930 connections of end.
As shown in Fig. 1,2,4,6, feeding unit 70 further includes being useful for that multiply solid feed is pushed individually to feed one by one Independent pusher, independent pusher can push one wherein arbitrary solid feed individually towards monochromatic melt flow road 120 or 130 direction of colour mixture feeding channel is goed deep into.
As shown in Fig. 1,2,4,6, above-mentioned independent pusher includes can be along the transmission that own axes direction is subjected to displacement Shaft member 730, be socketed on drive shaft members 730 and be evenly spaced on along 730 central axial direction of drive shaft members several are dynamic Wheels body 630, drive shaft members 730 are also associated with the translation mechanism for pushing it to be moved along own axes direction, power wheel body 630 corresponding with solid feed and power wheel body 630 rotations can push corresponding solid feed to be melted towards monochromatic Runner 120 or 130 direction of colour mixture feeding channel are goed deep into, several are additionally provided in drive shaft members 730 along drive shaft members 730 Heart axis direction uniform intervals are arranged and external key corresponding with power wheel body 630, and external key phase is provided on power wheel body 630 Matched keyway, and drive shaft members 730 are along the motion process of own axes direction, has and only there are one external keys and above-mentioned its In keyway on a power wheel body 630 match;The driving end set of drive shaft members 730 has counter wheel 740, and passes Connection is established by the cooperation of key and keyway between moving axis part 730 and counter wheel 740, counter wheel 740 and is set to power By synchronous band connection between the driving pulley a720 of 710 output end of delivery member, and counter wheel 740 be set to it is mixed Pass through synchronous band connection between the driven pulley a930 of the material driving of mandrel 940 end.
As shown in fig. 6, above-mentioned translation mechanism includes the shifting block 750 for being fixedly installed on 730 free end of drive shaft members, dial Block 750 is also associated with the first lead screw 770 of central axis and the centerline axis parallel of drive shaft members 730, is provided on frame body 510 The guiding notch 514 that constraint shifting block 750 is translated along 730 central axial direction of drive shaft members, the driving end connection of the first lead screw 770 There is translation power supply component, rotary force is provided by translation power supply component and drives the first lead screw 770 around own axes Rotation, the rotary force that the first lead screw 770 provides can realize that constraint shifting block 750 is translated along 730 central axial direction of drive shaft members.
As shown in figures 1 to 6, pan feeding control device 50 further includes the bonding mechanism 60 for being installed on frame body 510, bonding mechanism 60 Corresponding with solid feed and for pushing solid feed pan feeding, the bonding mechanism 60 includes driving lever 610, clamping wheel body 620, driving lever 610 is of an L-shaped structure and driving lever 610 is made of orthogonal long rod segment, quarter butt section, long rod segment, quarter butt section hang down Straight junction is provided with shaft and driving lever 610 can be deflected around the shaft, and the central axial direction and solid-state of the shaft are former The pan feeding direction of material is perpendicular, and the free end of quarter butt section, which is movably set with, to be pressed from both sides around the clamping wheel body 620 of own axis It is corresponding with power wheel body 630 and be clamped between wheel body 620 and power wheel body 630 and form clamping zone to hold wheel body 620, solid-state Raw material is introduced in pan feeding control device 50, across the clamping zone being clamped wheel body 620 and power wheel body 630, tightens machine Structure 60 further includes having to push driving lever 610 to deflect and realize the elastic reset that clamping wheel body 620 is drawn close towards 630 direction of power wheel body Part 640.The elastic force provided by dynamic clamping head and quiet clamping head 640 can push clamping wheel body 620 to be drawn close towards power wheel body 630 and make dynamic More frictional force is obtained between wheels body 630 and solid feed surface, and realizes that stable promotion solid feed is advanced.
Above-mentioned dynamic clamping head and quiet clamping head 640 is cylindrically coiled spring, and is compressed spring.
More optimally, the circumferential surface of above-mentioned clamping wheel body 620 offer curve inwardly and with solid feed table The adaptable groove body of face shape, the circumferential surface of power wheel body 630 offer anti-skid chequer.
More optimally, the avoid holes passed through for solid feed are offered in the long rod segment of driving lever 610 so that solid-state is former Passing through for material is more smooth, and does not bend.
As shown in Fig. 1,2,4,5, it is also equipped on pan feeding control device 50 corresponding with bonding mechanism 60 for several And for guide solid feed go deep into bonding mechanism 60 draw material set 650, draw material set 650 upper end be provided with draw material cone Slot;Drawn by setting and expects that set 650 easily facilitates solid feed and gos deep into inside 3D printer.
As shown in Figs. 1-3, the clip slot for limiting power wheel body 630,610 position of driving lever is additionally provided on frame body 510 511, and the rotational trajectory of driving lever 610 and the shape of clip slot 511 are adapted.
More specifically, above-mentioned bonding mechanism 60 has three groups, and there are three along central shaft for socket in drive shaft members 730 The power wheel body 630 that line direction is evenly spaced on, power wheel body 630 match and with clamping wheel body 620 to three bursts of solid-state originals Material is clamped, is guided.
The pan feeding end in above-mentioned multiple monochromatic melt flow roads 120 is arranged in the upper top surface of supportive body 10 in dispersed, more The exhaust end in a monochrome melt flow road 120 is in draw close the bottom surface that shape is arranged in supportive body 10.It is above-mentioned shown in attached drawing 8 Monochromatic melt flow road 120 is three, and the pan feeding end in three monochromatic melt flow roads 120 is arranged in the upper of supportive body 10 in dispersed Top surface, the exhaust end in three monochromatic melt flow roads 120 are in draw close the bottom surface that shape is arranged in supportive body 10.
As shown in Fig. 1,8,9, supportive body 10 is provided with for molten to the raw material in monochromatic melt flow road 120, colour mixture The heat source of raw material transferring heat energy in runner 140;More preferably, the main calandria for being in the form of a column structure is installed on supportive body 10 30, and the main heat source mounting hole 110 for installing main calandria 30 is provided on supportive body 10;The main calandria 30 The thermal energy of generation can be spread into monochromatic melt flow road 120, colour mixture melt flow road 140.
As shown in Fig. 1,15-18, the inclined bottom surface for being arranged in supportive body 10 of rotating body 20, and rotating body Angle between 20 central axis and perpendicular is δ, and the extruder head 250 for being set to 20 bottom surface of rotating body is oblique It arranges, the angle of cut between 20 central axis of central axis and rotating body of extruder head 250 is β, and wherein angle δ is equal to angle of cut β, The central axis of extruder head 250 is with the plane where 20 central axis of rotating body between reference plane a, adjacent reference plane a Angle be γ, wherein the angle that rotating body 20 rotates every time be angle γ integral multiple;It is excellent using the high-lighting of the design Point is, it is ensured that extruder head 250 is connected in vertical state and monochromatic melt flow road 120, and the rotational trajectory of extruder head 250 is not It is interfered with the printing target object of lower section so that it is more convenient to replace extruder head.
More specifically, it is set in above-mentioned rotating body 20 in extruder head 250 arranged in a vertical direction by being connect with it The exhaust end of logical interface 230 and one of above-mentioned monochromatic melt flow road 120 is connected.
The number of above-mentioned extruder head 250 is no less than the number in monochromatic melt flow road 120, the extruder head provided in the present embodiment 250 number is equal with monochromatic melt flow 120 numbers of road, it is ensured that the molten state raw material individual flow in each monochrome melt flow road 120 Enter to extruder head.The number that the number of extruder head 250 is more than or equal to monochromatic melt flow road 120 is used to also have in the present invention One purpose is, avoids colour mixture, ensures each extruder head 250 only by a kind of raw material of color.
More perfectly, the number in monochromatic melt flow road 120 is N, and the number of extruder head 250 is N+1, has N number of extruder head can With the exhaust end in monochromatic melt flow road 120 in connection is corresponded under vertical state, one of extruder head can be in vertical state The lower exhaust end with all melt flow roads is connected and realizes colour mixture in the extruder head;Since mixing part being not present in extruder head Part, so the shaping raw material after colour mixture is in multilayer architecture colour mixture material;Referring to attached drawing 19, the color of three monochromatic melt flow road extrusions Respectively C1, C2, C3, by three 12 common discharges of monochromatic melt flow road and in the extruder head being also turned on three monochromatic melt flow roads Inside form the colour mixture material in three-decker.
The colour contamination and batch mixing Method of printing, method of colored 3D printer include:
S1:Injection color different solid feed or molten state are former in three strands of monochromatic melt flow roads on supportive body 10 Material can make its fusing when the raw material of injection is solid feed by the generation of main calandria 30 being set on supportive body 10 Thermal energy;
S2:It rotates rotating body 20 and adjusts the extruder head 250 connected with melt flow road;Since rotating body 20 is set to branch It supports 10 bottom surface of main body and several can be provided on own axis, the bottom surface of rotating body 20 along its circumference side It is provided with quantity in the contact face of the extruder head 250 arranged to uniform intervals, rotating body 20 and supportive body 10 and squeezes out First 250 quantity it is identical and with extruder head 250 in corresponding the interface 230 connected, and one of interface and melt flow Wherein one of road mutually connects;Each extruder head can only squeeze out the raw material of identical single color, pass through rotating body 20 Rotation to realize the printing of colour contamination;
S3:Be further opened on supportive body 10 with the colour mixture melt flow road 140 that wherein one monochromatic melt flow road 120 is connected, The feeding end in colour mixture melt flow road 140 is connected with mixing mechanism 90, and the mixing mechanism 90 includes batch mixing cover body 910, batch mixing cover The mixing chamber of raw material can be accommodated by being provided in body 910, be additionally provided in batch mixing cover body 910 for being broken to the raw material in mixing chamber Batch mixing mandrel 940 broken, being mixed, the driving end of batch mixing mandrel 940 is connected to the power supply component of feeding unit 70 710 and drive batch mixing mandrel 940 around the rotation of own axes by power supply component 710, batch mixing mandrel 940 can push mixing chamber Interior raw material flows to colour mixture melt flow road 140, when the extruder head under vertical state passes through monochromatic melt flow road 120 and colour mixture melt flow road When 140 connection, you can extrusion mixing material.
In above-mentioned step S2, the inclined bottom surface for being arranged in supportive body 10 of rotating body 20, and rotating body Angle between 20 central axis and perpendicular is δ, and the extruder head 250 for being set to 20 bottom surface of rotating body is oblique It arranges, the angle of cut between 20 central axis of central axis and rotating body of extruder head 250 is β, and wherein angle δ is equal to angle of cut β, The central axis of extruder head 250 is with the plane where 20 central axis of rotating body between reference plane a, adjacent reference plane a Angle be γ, wherein the angle that rotating body 20 rotates every time be angle γ integral multiple;It is set to above-mentioned rotating body 20 And pass through the row of the interface 230 connected with it and one of above-mentioned melt flow road in extruder head 250 arranged in a vertical direction Material termination is logical.
More perfectly, the number in monochromatic melt flow road 120 is three, and the number of extruder head 250 is four, and there are three squeeze out Head can be connected with the exhaust end in three monochromatic melt flow roads 120 in corresponding under vertical state, and one of extruder head can be It is connected with the exhaust end in all monochromatic melt flow roads 120 under vertical state and realizes colour mixture in the extruder head, and form colour mixture Material.
As shown in Figure 15,16, it is provided in the contact face of supportive body 10 and rotating body 20 total with rotating body 20 Axis is arranged and the rotary rail 160 of structure annular in shape, and the rotary rail 160 is in double frustum cone structures, and rotates and lead The diameter of rail 160 is first gradually along the bottom surface that the central axial direction of rotating body 20 suspends end towards supportive body 10 by it Increase, gradually reduce again, coaxial line arrangement and tapered cone slot is additionally provided in rotary rail 160, and bore slot Opening diameter suspends the bottom surface of end towards supportive body 10 by it along the central axial direction of rotating body 20 and gradually reduces, The center connecting hole 170 positioned at cone slot slot bottom is additionally provided at the center of rotary rail 160;It is provided with and bores in rotating body 20 The frustum 220 that slot matches, be additionally provided in rotating body 20 be socketed on 220 outside of frustum and with 160 phase of rotary rail The guide-track groove 210 matched is also equipped at the center of frustum 220 and runs through 220 wall portion of frustum along 20 central axial direction of rotating body Fastener shaft 240, the outside of fastener shaft is socketed with bearing and fixed with the inner ring of bearing, and the outer ring of bearing and rotating body 20 are solid Fixed connection, fastener shaft are plugged in center connecting hole 170 and are fixed with 10 phase of supportive body.
More optimally, the exhaust end in above-mentioned monochromatic melt flow road 120 is vertically arranged in the wall of rotary rail 160 Portion, interface 230 are set in track groove 210.Shown in attached drawing 16, monochromatic melt flow road 120 extends and wears in vertical direction In the wall portion of rotary rail 160.
As shown in figure 18, it is also equipped on supportive body 10 for driving rotating body 20 around the switching of own axis Power supply device 40, the switching power supply device 40 includes the power output part being connect with rotating body 20 A430, for receiving rotary force and the power reception component 420 of rotary force can be transmitted to power output part a430.
More optimally, above-mentioned power output part a430 is bevel gear, and above-mentioned power reception component 420 is and moves The spur gear or helical gear or bevel gear that power output block a430 is meshed.
More optimally, switching power supply device 40 further includes having to be provided in the power generating unit of supportive body 10 410(Motor), the output end of power generating unit 410 is connected to power reception component 420, and from power reception component 420 to Power output part a430 transmits torsion, to drive the rotation of rotating body 20.
As shown in figure 18, switching power supply device 40 further includes being connect with power reception component 420 and can be around itself The power output part b440 of axis rotation, it is fixedly connected with power output part b440 and the connecting shaft of coaxial setting 450, company The output end of axis 450 is provided with turbine 460, and the driving end of the first above-mentioned lead screw 770 is equipped with worm screw 760, and whirlpool Wheel 460 is meshed with worm screw 760.Its meaning and advantageous effect are, when rotating body 20 rotates, with monochromatic melt flow road 120 extruder heads connected switch, and the monochromatic melt flow road 120 of conveying is also changed at this time, is filled by switching power supply The power generating unit 410 set provides identical power source, it is ensured that the synchronism of switching.
More optimally, it is provided on above-mentioned frame body 510 for installing turbine 460, worm screw 760, the first lead screw 770 Locating notch 513.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention; Various modifications to these embodiments will be apparent to those skilled in the art, defined in the present invention General Principle can not depart from the present invention spirit or scope in the case of, realize in other embodiments.Therefore, originally Invention will not be defined to the embodiments shown herein, and be to fit to and the principles and novel features disclosed herein Consistent widest range.

Claims (3)

1. colour contamination, colour mixture integral type colour 3D printer, which is characterized in that it includes supportive body, is set on supportive body End and for controlling the pan feeding control device of raw material flow direction, being set to supportive body lower end and can be around own axis Rotating body, the lower end of rotating body is provided with several extruder heads arranged along its circumferencial direction uniform intervals, rotates Main body be provided in the contact face of supportive body quantity it is identical as extruder head quantity and with extruder head in correspond connect Logical interface is provided with the monochromatic melt flow road of several raw materials for receiving the offer of pan feeding control device on supportive body, and And wherein one mutually connection of one of interface and monochromatic melt flow road;
Above-mentioned pan feeding control device is arranged between colour contamination boot state and colour mixture boot state to switch, and is in When colour contamination boot state, pan feeding control device receive multiply solid feed and bootable multiply solid feed successively deeply extremely In corresponding monochrome melt flow road;When pan feeding control device is in colour mixture boot state, it is former that pan feeding control device receives multiply solid-state Expect and guide into mixing mechanism and generate molten state mixture, pan feeding control device simultaneously guides molten state mixed raw material to enter to In one of monochrome melt flow road;
Pan feeding control device includes frame body, and the haul hole that guiding solid feed enters, the upper end of supportive body are provided on frame body Portion is provided with the guide groove for guiding frame body to move in the horizontal direction, is provided in guide groove and along guide groove on supportive body The interval-staggered monochromatic melt flow road of guide direction, colour mixture feeding channel, frame body, which is connected to, to be oriented to switching mechanism and is oriented to The power of switching mechanism output can realize that pan feeding control device is moved along the guide direction of guide groove and realized in colour contamination boot state And switch between colour mixture boot state;Under colour contamination boot state, haul hole guiding solid feed enters in monochromatic melt flow road; Under colour mixture boot state, haul hole guiding solid feed enters in colour mixture feeding channel;The delivery end of colour mixture feeding channel connects It is connected to mixing mechanism.
2. colour contamination according to claim 1, colour mixture integral type colour 3D printer, which is characterized in that mixing mechanism includes Batch mixing cover body is provided with the mixing chamber that can accommodate raw material in batch mixing cover body, several is additionally provided on batch mixing cover body and is entered with colour mixture Material channel is in one-to-one correspondence and can receive the raw material of colour mixture feeding channel importing and introduces a material into the splicing into mixing chamber Mouthful, the batch mixing mandrel for being crushed, being mixed to the raw material in mixing chamber is additionally provided in batch mixing cover body, batch mixing mandrel Driving end is connected to the power supply component of feeding unit and by power supply member drives batch mixing mandrel around own axes Rotation.
3. colour contamination according to claim 2, colour mixture integral type colour 3D printer, which is characterized in that the row of batch mixing cover body Material end is additionally provided with the batch mixing connected with mixing chamber and squeezes out channel, and receivable batch mixing extrusion channel is provided on supportive body and is carried The colour mixture melt flow road of the raw material of confession, the other end in colour mixture melt flow road are connected with one of monochromatic melt flow road.
CN201710747030.2A 2017-08-28 2017-08-28 Colour contamination, colour mixture integral type colour 3D printer Active CN107322923B (en)

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CN201710747030.2A CN107322923B (en) 2017-08-28 2017-08-28 Colour contamination, colour mixture integral type colour 3D printer
CN201810177158.4A CN108215168A (en) 2017-08-28 2017-08-28 For the 3D printer of multicolour accumulation printing
CN201810177168.8A CN108215169A (en) 2017-08-28 2017-08-28 The colored 3D printer of more nozzle free switchings
CN201810177124.5A CN108407282A (en) 2017-08-28 2017-08-28 The colored 3D printer of uniform color mixture printing
CN201810177157.XA CN108454091A (en) 2017-08-28 2017-08-28 For the mixed uniformly colored 3D printer of multicolour raw material

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CN201710747030.2A CN107322923B (en) 2017-08-28 2017-08-28 Colour contamination, colour mixture integral type colour 3D printer

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CN201810177157.XA Division CN108454091A (en) 2017-08-28 2017-08-28 For the mixed uniformly colored 3D printer of multicolour raw material
CN201810177124.5A Division CN108407282A (en) 2017-08-28 2017-08-28 The colored 3D printer of uniform color mixture printing
CN201810177168.8A Division CN108215169A (en) 2017-08-28 2017-08-28 The colored 3D printer of more nozzle free switchings

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CN201710747030.2A Active CN107322923B (en) 2017-08-28 2017-08-28 Colour contamination, colour mixture integral type colour 3D printer
CN201810177168.8A Withdrawn CN108215169A (en) 2017-08-28 2017-08-28 The colored 3D printer of more nozzle free switchings
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CN108215195B (en) * 2018-01-05 2019-01-08 绍兴柯桥恒松针纺有限公司 The seamless series-mounting of the wire body consumptive material of 3D printer colour print can be achieved
CN108215199B (en) * 2018-01-05 2019-01-01 绍兴亨利领带时装有限公司 Synchronization transport line mechanism for the docking of 3D printer wire body consumptive material
CN109304862B (en) * 2018-12-05 2023-10-03 河北科技大学 Double-nozzle synchronous printing device based on FDM technology
CN110328854B (en) * 2019-08-15 2021-05-04 王素贞 Automatic 3D of pay-off is wire reel for printer
CN111016433B (en) * 2019-12-25 2021-01-15 西安交通大学 MEMS piezoelectric type ink-jet printing head with multiple ink jetting and mixing functions
CN111361151B (en) * 2020-03-17 2021-04-27 重庆市美客无双智能科技有限公司 Color mixing 3D printing nozzle assembly and color mixing method
TWI734559B (en) * 2020-07-15 2021-07-21 龍華科技大學 Automatic material changing mechanism of 3d printer
CN113001982B (en) * 2021-03-17 2022-12-16 深圳市创想三维科技股份有限公司 Extrusion device and 3D printer
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CN107322923A (en) 2017-11-07
CN108407282A (en) 2018-08-17

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