CN110406105A - A kind of three colo(u)r streak material extruder device of 3D printer and control method - Google Patents

A kind of three colo(u)r streak material extruder device of 3D printer and control method Download PDF

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Publication number
CN110406105A
CN110406105A CN201910795093.4A CN201910795093A CN110406105A CN 110406105 A CN110406105 A CN 110406105A CN 201910795093 A CN201910795093 A CN 201910795093A CN 110406105 A CN110406105 A CN 110406105A
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China
Prior art keywords
print wire
driving
cabinet
wheel
printer
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Withdrawn
Application number
CN201910795093.4A
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Chinese (zh)
Inventor
束宇晨
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Individual
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Individual
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Priority to CN201910795093.4A priority Critical patent/CN110406105A/en
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    • 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
    • B29C64/20Apparatus 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
    • B29C64/20Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/205Means for applying layers
    • B29C64/209Heads; Nozzles
    • 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
    • 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
    • B29C64/386Data acquisition or data processing for additive manufacturing
    • B29C64/393Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
    • 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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)

Abstract

The present invention relates to 3D printer fields, more particularly to a kind of three colo(u)r streak material extruder device of 3D printer and control method, including extruding box, controller, filter mechanism and print head, the bottom of extruding box is fixedly installed L-type support plate, extruding box includes cabinet, three driving mechanisms, driven wheel and driving wheel, each driving wheel passes through fixing seat and is fixed at box inside bottom, the setting that three driven wheels can be rotated by a driven shaft is on cabinet, restraining position ring block is fixedly installed in the two sides of each driven shaft, each driven shaft is bonded by elastic mechanism with drive roll, the perforation passed through for print wire is offered on cabinet, this a kind of three colo(u)r streak material extruder device of 3D printer and control method, it is occupied little space by than three single-line type extruders of occupied area of extruding box, reduce extruder to beat in 3D Excessive area is occupied on print machine, and then reduces the load of 3D printer work, is conducive to the work of 3D printer.

Description

A kind of three colo(u)r streak material extruder device of 3D printer and control method
Technical field
The present invention relates to 3D printer fields, and in particular to a kind of three colo(u)r streak material extruder device of 3D printer and controlling party Method.
Background technique
3D printer referred to as (3DP) is a kind of printing of mystery of inventor's design of an entitled En Likedini Machine " can not only print " building and completely build, it might even be possible to print any desired object to astronaut in spaceship The shape of product.But 3D printing come out be object model, the function of object cannot be printed, the extruder of 3D printer is Equipment for driving print wire to be moved.
Chinese patent CN201710234107.6 discloses a kind of colour mixture 3D printer spray head and Method of printing, colour mixture spray Head be three into one go out printing head.Three feed pipes are supplied respectively to the material of different colors, and the material of different colours is heating In melting and mixing in three-level mixing chamber under the action of pipe, according to raw material three primary color theory, various different colours can be modulated. Nozzle is connected to three-level mixing chamber, and under the action of extruder pressure, uniformly mixed raw material liq is squeezed out from nozzle.The present invention It solves the disadvantage that existing single nozzle can only print a kind of color, and can theoretically print any blend color.
The 3D printer spray head and Method of printing of the patent disclosure have the disadvantage that the extruder base in the prior art Single-line type extruder is used in sheet, and this method controls three kinds of lines by controller and is moved, so being controlled using controller Three single-line type extruders work, so that extruder occupies excessive area on 3D printer, and then increase 3D and beat The load of print machine work, is unfavorable for the work of 3D printer.
Summary of the invention
The purpose of the present invention is to provide a kind of three colo(u)r streak material extruder devices of 3D printer.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of three colo(u)r streak material extruder device of 3D printer, including extruding box, controller, filter mechanism and print head, mistake are provided Successively sequence is distributed from top to bottom for filter structure, extruding box and print head, and filter mechanism is fixed at the top of extruding box, squeezes out The bottom of case is fixedly installed L-type support plate, and print head is fixed at the bottom of L-type support plate, and extruding box includes cabinet, three A driving mechanism, driven wheel and driving wheel, each driving wheel pass through fixing seat and are fixed at box inside bottom, and each Driving wheel is sequentially connected with driving mechanism, and the setting that three driven wheels can be rotated by a driven shaft is on cabinet, and three A driven wheel is coaxially arranged with driven shaft, and each driven wheel is rotatablely connected with driven shaft, and the two sides of each driven shaft are equal Restraining position ring block is fixedly installed, each stop collar is fixedly connected with driven shaft, and each driven shaft is by elastic mechanism and actively Roller fitting, elastic mechanism are fixed on the inner wall of cabinet, and elastic mechanism and driven shaft working end contradict, and open up on cabinet There is the perforation passed through for print wire, controller is electrically connected with driving mechanism.
As a kind of three colo(u)r streak material extruder device preferred embodiment of 3D printer, fixing seat includes driving shaft and two branch Fagging, driving shaft are fixedly connected with driving wheel, and driving shaft is rotatablely connected by bearing and two support plates, two support plates point The two sides of driving wheel are not set.
As a kind of preferred embodiment of three colo(u)r streak material extruder device of 3D printer, driving mechanism includes driving motor, big Gear and pinion gear, gear wheel are fixed on driving shaft, and driving motor is fixed at the inside bottom of cabinet, pinion gear It is fixed on the output end of driving motor, and pinion gear and gear wheel engaged transmission.
As a kind of preferred embodiment of three colo(u)r streak material extruder device of 3D printer, driving wheel includes the first idler wheel and first Rubber sleeve, the first rubber sleeve are fixedly mounted on the first idler wheel, and the first idler wheel is fixedly connected with driving shaft, on the first rubber sleeve First annular limiting slot is offered, driven wheel includes the second idler wheel and the second rubber sleeve, and the second rubber sleeve is fixedly mounted on second On idler wheel, and the second idler wheel and driven shaft are rotatablely connected, and offer the second annular spacing groove on the second rubber sleeve.
As a kind of preferred embodiment of three colo(u)r streak material extruder device of 3D printer, elastic mechanism includes that two groups of elasticity push away Bar, two groups of resilient push are located at the outside of three driven wheels, and each resilient push include arc snap-gauge, spring, push rod and Set is shunk, arc snap-gauge is fixed at the top of push rod, shrinks set and is fixed on the inner sidewall of cabinet, and the bottom of push rod Portion is plugged in contraction set, and spring is set on contraction set and push rod, and the both ends of spring are respectively at arc snap-gauge and cabinet wall It contradicts, and the inside of arc snap-gauge and driven shaft contradict, the two sides of driven shaft pass through cabinet, and the fixation of the two sides of driven shaft is set It sets there are two snap-gauge, the inside of two snap-gauges is contradicted with the outside of cabinet, is offered on cabinet and to be slid back and forth for driven shaft Sliding groove, the width of sliding groove are less than the diameter of snap-gauge.
As a kind of preferred embodiment of three colo(u)r streak material extruder device of 3D printer, filter mechanism include supporting shell, box cover, Three cleaning sponges and accommodating case, supporting shell are fixedly installed at the top of the box body, and supporting shell is top and bottom hatch frame, Box cover is fixedly mounted on the top of supporting shell, and the string holes passed through for the print wire of three kinds of colors, three receivings are offered on box cover Box is mounted on the inside of supporting shell, and the bottom of three accommodating cases offers the string holes passed through for print wire, three cleaning sponges It is located in three accommodating cases, and offers the string holes passed through for print wire on cleaning sponge, it is fixed on the outer wall of accommodating case It is provided with lantern ring.
As a kind of preferred embodiment of three colo(u)r streak material extruder device of 3D printer, three groups pairs are fixedly installed in supporting shell Emitting optoelectronic switch, the line of three kinds of printer colors are each passed through the working end of three groups of correlation type optoelectronic switches, and three groups pairs Emitting optoelectronic switch is electrically connected with the controller.
As a kind of preferred embodiment of three colo(u)r streak material extruder device of 3D printer, print head includes cooler bin, heat block And nozzle, cooler bin bottom be fixedly installed one piece of thermal insulation board, offers on thermal insulation board and passes through for the print wire of three kinds of colors String holes, heat block is fixed at the bottom of thermal insulation board, and heat block bottom offers the threaded hole for nozzle threads connection, spiral shell A colour mixture slot is fixedly installed on pit, and heat block upper top offers the heating passed through for the print wire of three kinds of colors Be connected to inside hole, the bottom of bottoming hole and colour mixture slot, offer stock chest on three bottoming holes, and bottoming hole, threaded hole and The coplanar setting of the axis of colour mixture slot, and heat block includes heating public block and heating mother tuber, heats public block and heating mother tuber is removable Connection is unloaded, public affairs block is heated close to the side of heating mother tuber and is fixed with cutting, offered on heating mother tuber slotting with cutting cooperation Slot.
As a kind of preferred embodiment of three colo(u)r streak material extruder device of 3D printer, cooler bin includes cooling shell, radiation air The top of fan and rotating electric machine, cooling shell is fixedly connected with cabinet, and the bottom of cooling shell is fixedly connected with thermal insulation board, and electric rotating Machine is fixed on cooling shell, and the output end of rotating electric machine passes through cooling shell, and radiator fan is located in cooling shell, and radiates Fan is fixedly connected by shaft coupling with the output end of rotating electric machine, offers several heat release holes on the shell wall of cooling shell, cold But the string holes passed through for the print wire of three kinds of different colours is equipped on the top of shell and thermal insulation board.
A kind of three colo(u)r streak material extruder control method of 3D printer, which comprises the following steps:
S1: print wire cleaning:
Pass through cleaning sponge by print wire, so that cleaning sponge cleans the impurity on print wire;
S2: three kinds of print wire movements:
Driving motor movement is controlled by controller, and then drives driving wheel movement, and then drives print wire movement;
S3: the thawing and colour mixture of print wire:
The print wire of different colours is melted by the effect for heating fast, then continues to move by print wire, is made The print wire for obtaining melting state is entered out of stock chest carries out colour mixture in mixing channel;
S4:D printer is printed:
Mixed color will be squeezed out out of nozzle, be printed.
Beneficial effects of the present invention: first by worker by the print wire of three kinds of different colours sequentially pass through filter mechanism, Between driven wheel and driving wheel in extruding box, when print wire is mounted between driven wheel and driving wheel, pass through the two of spring End is contradicted respectively at arc snap-gauge and cabinet wall, so that arc snap-gauge will be pushed by the elastic force of spring, so that arc snap-gauge pair The springy effect of driven shaft so that driven shaft will be moved along sliding groove, and then drives driven wheel movement so that driven wheel with Driving wheel mutually contradicts, so that the first rubber sleeve and the second rubber sleeve contradict, so that working as the movement of driving wheel, and then drives Print wire moves downward, and controls starting driving motor by controller, so that the movement of driving motor and then drive pinion gear fortune It is dynamic, then pass through the engaged transmission of pinion gear and gear wheel, and then drive the movement of gear wheel, and then pass through the movement band of gear wheel Dynamic driving shaft is moved, so that driving shaft drives the first idler wheel needed to be moved, then is set in by the first rubber sleeve On first rod wheel, driving wheel drives corresponding driven wheel to be moved, will be so that driving between corresponding driven wheel and driving wheel Print wire moved, when print wire passes through filter mechanism, line is passed through cleaning sponge by print wire, and cleaning sponge will be beating The impurity removal on line is printed, the impurity after removal will be kept on cleaning sponge or in accommodating case, and after a bundle of line is finished, pass through It is artificial to pull lantern ring, will so that accommodating case and cleaning sponge are pulled out out of supporting shell, and then to accommodating case and cleaning sponge into Row cleaning or replacement, when the print wire of three kinds of different colours enters in heat block along bottoming hole, will be heated block into Row heating and melting enters in stock chest, then continues to move by print wire, will be so that print wire pushes thawing in stock chest Print wire enter in colour mixture slot, by the effect of colour mixture slot, the print wire of different colours will be made to carry out colour mixture, then from mixed Outflow, prints on corresponding object in nozzle below color slot;
This kind of three colo(u)r streak material extruder device of 3D printer and control method by the effect of extruding box, and then controls three The print wire of kind different colours is moved, and is occupied little space by than three single-line type extruders of occupied area of extruding box, Reduce extruder and occupy excessive area on 3D printer, and then reduce the load of 3D printer work, is conducive to 3D The work of printer.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention Attached drawing is briefly described.It should be evident that drawings described below is only some embodiments of the present invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is schematic perspective view one of the invention.
Fig. 2 is schematic perspective view two of the invention.
Fig. 3 is the schematic perspective view that extruding box removes cabinet.
Fig. 4 is sectional perspective structural decomposition diagram of the invention.
Fig. 5 is the stereochemical structure decomposing schematic representation of elastic mechanism.
Fig. 6 is partial enlarged view at the A of Fig. 1.
Fig. 7 is the stereochemical structure decomposing schematic representation of filter mechanism.
Fig. 8 is the stereochemical structure decomposing schematic representation of print head.
Fig. 9 is the stereochemical structure decomposing schematic representation of heat block.
Figure 10 is the stereochemical structure decomposing schematic representation of cooler bin.
In figure: 1, extruding box;2, driving mechanism;3, filter mechanism;4, print head;5, L-type support plate;6, cabinet;7, from Driving wheel;8, driving wheel;9, fixing seat;10, driven shaft;11, stop collar;12, elastic mechanism;13, driving shaft;14, support plate; 15, driving motor;16, gear wheel;17, pinion gear;18, the first idler wheel;19, the first rubber sleeve;20, first annular limiting slot; 21, the second idler wheel;22, the second rubber sleeve;23, the second annular spacing groove;24, arc snap-gauge;25, spring;26, push rod;27, it receives Contracting set;28, snap-gauge;29, sliding groove;30, supporting shell;31, box cover;32, cleaning sponge;33, accommodating case;34, correlation type photoelectricity Switch;35, cooler bin;36, heat block;37, nozzle;38, thermal insulation board;39, threaded hole;40, colour mixture slot;41, bottoming hole;42, Stock chest;43, public block is heated;44, mother tuber is heated;45, cutting;46, slot;47, cooling shell;48, radiator fan;49, it rotates Motor;50, heat release hole.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Wherein, the drawings are for illustrative purposes only and are merely schematic diagrams, rather than pictorial diagram, should not be understood as to this The limitation of patent;Embodiment in order to better illustrate the present invention, the certain components of attached drawing have omission, zoom in or out, not Represent the size of actual product;It will be understood by those skilled in the art that certain known features and its explanation may be omitted and be in attached drawing It is understood that.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention;It is retouched in of the invention In stating, it is to be understood that closed if there is the orientation of the instructions such as term " on ", "lower", "left", "right", "inner", "outside" or position System is merely for convenience of description of the present invention and simplification of the description to be based on the orientation or positional relationship shown in the drawings, rather than indicates Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore retouch in attached drawing The term for stating positional relationship only for illustration, should not be understood as the limitation to this patent, for the common skill of this field For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
In the description of the present invention unless specifically defined or limited otherwise, if there are the indicate indicators such as term " connection " Between connection relationship, which shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or at One;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection of two components interiors or the interaction relationship of two components.For those of ordinary skill in the art and Speech, can understand the concrete meaning of above-mentioned term in the present invention with concrete condition.
Referring to figs. 1 to a kind of three colo(u)r streak material extruder device of 3D printer shown in Fig. 10, including extruding box 1, controller, Filter mechanism 3 and print head 4, successively sequence is distributed from top to bottom for filter mechanism 3, extruding box 1 and print head 4, and filter mechanism 3 is solid The top of extruding box 1 is set calmly, and the bottom of extruding box 1 is fixedly installed L-type support plate 5, and print head 4 is fixed at L-type The bottom of support plate 5, extruding box 1 include 6, three driving mechanisms 2 of cabinet, driven wheel 7 and driving wheel 8, and each driving wheel 8 is logical It crosses fixing seat 9 and is fixed at 6 inside bottom of cabinet, and each driving wheel 8 is sequentially connected with driving mechanism 2, three driven On cabinet 6, three driven wheels 7 are coaxially arranged with driven shaft 10 for the setting that wheel 7 can be rotated by a driven shaft 10, Each driven wheel 7 is rotatablely connected with driven shaft 10, and restraining position ring block 11, each limit is fixedly installed in the two sides of each driven shaft 10 Position ring 11 is fixedly connected with driven shaft 10, and each driven shaft 10 is bonded by elastic mechanism 12 with drive roll, elastic mechanism 12 are fixed on the inner wall of cabinet 6, and elastic mechanism 12 and 10 working end of driven shaft contradict, and are offered on cabinet 6 for beating The perforation that print line passes through, controller are electrically connected with driving mechanism 2.First by worker by the print wire of three kinds of different colours successively Driven wheel 7 and driving wheel 8 in filter mechanism 3, extruding box 1, starting driving mechanism 2 is controlled by controller, is made Obtaining driving mechanism 2 drives the driving wheel 8 needed to be moved, and will to drive beating between corresponding driven wheel 7 and driving wheel 8 Print line is moved so that print wire carries out the cleaning of print wire out of filter mechanism 3, using driven wheel 7 and driving wheel 8 it Between, it enters print wire in print head 4 and is melted and printed.
Fixing seat 9 includes driving shaft 13 and two support plates 14, and driving shaft 13 is fixedly connected with driving wheel 8, and driving shaft 13 are rotatablely connected by bearing and two support plates 14, and two support plates 14 are separately positioned on the two sides of driving wheel 8.Pass through fixation The effect of seat 9 plays the role of support to driving shaft 13, is fixedly connected by driving shaft 13 with driving wheel 8, so that driving shaft 13 It moves and then driving wheel 8 is driven to move.
Driving mechanism 2 includes driving motor 15, gear wheel 16 and pinion gear 17, and gear wheel 16 is fixed at driving shaft 13 On, driving motor 15 is fixed at the inside bottom of cabinet 6, and pinion gear 17 is fixed at the output end of driving motor 15 On, and 16 engaged transmission of pinion gear 17 and gear wheel.It drives pinion gear 17 to move by the movement of driving motor 15, then leads to The engaged transmission of pinion gear 17 and gear wheel 16 is crossed, and then drives the movement of gear wheel 16, and then passes through the movement of gear wheel 16 Driving shaft 13 is driven to be moved, so that driving shaft 13 drives the driving wheel 8 needed to be moved.
Driving wheel 8 includes the first idler wheel 18 and the first rubber sleeve 19, and the first rubber sleeve 19 is fixedly mounted on the first idler wheel 18 On, and the first idler wheel 18 is fixedly connected with driving shaft 13, and first annular limiting slot 20, driven wheel are offered on the first rubber sleeve 19 7 include the second idler wheel 21 and the second rubber sleeve 22, and the second rubber sleeve 22 is fixedly mounted on the second idler wheel 21, and the second idler wheel 21 It is rotatablely connected with driven shaft 10, offers the second annular spacing groove 23 on the second rubber sleeve 22.Print wire is located at the first rubber sleeve Between 19 first annular limiting slot 20 and the second annular spacing groove 23 of the second rubber sleeve 22, so that the first rubber sleeve 19 and In the course of rotation, print wire can be only positioned in first annular limiting slot 20 and the second annular spacing groove 23 two rubber sleeves 22, It avoids print wire from being detached from the first rubber sleeve 19 and the second rubber sleeve 22, is fixedly connected, is made with driving shaft 13 by the first idler wheel 18 It obtains driving shaft 13 and is able to drive the movement of the first idler wheel 18, and then the movement of the first rubber sleeve 19 is driven by the first idler wheel 18, pass through Second idler wheel 21 is rotatablely connected with driven shaft 10, so that the first rubber sleeve 19 drives the movement of the second rubber sleeve 22, so that the Two rubber sleeves 22 drive the movement of the second idler wheel 21.
Elastic mechanism 12 includes two groups of resilient push 26, and two groups of resilient push 26 are located at the outside of three driven wheels 7, and every A resilient push 26 includes arc snap-gauge 24, spring 25, push rod 26 and shrinks set 27, and arc snap-gauge 24 is fixed at push rod 26 top is shunk set 27 and is fixed on the inner sidewall of cabinet 6, and the bottom of push rod 26 is plugged in contraction set 27, bullet Spring 25 is set on contraction set 27 and push rod 26, and the both ends of spring 25 are contradicted respectively at arc snap-gauge 24 and 6 inner wall of cabinet, and arc The inside of shape snap-gauge 24 and driven shaft 10 contradict, and the two sides of driven shaft 10 pass through cabinet 6, and the fixation of the two sides of driven shaft 10 is set It sets there are two snap-gauge 28, the inside of two snap-gauges 28 is contradicted with the outside of cabinet 6, is offered on cabinet 6 for before driven shaft 10 The sliding groove 29 slided afterwards, the width of sliding groove 29 are less than the diameter of snap-gauge 28.By the both ends of spring 25 respectively at arc card Plate 24 and 6 inner wall of cabinet contradict, so that arc snap-gauge 24 will be pushed by the elastic force of spring 25, so that arc snap-gauge 24 is to driven shaft 10 springy effects, so that driven shaft 10 will be moved along sliding groove 29, and then drive driven wheel 7 to move, so that driven wheel 7 It is mutually contradicted with driving wheel 8, so that the first rubber sleeve 19 and the second rubber sleeve 22 contradict, so that passing through the fortune of driving wheel 8 It is dynamic, and then print wire is driven to move downward, by the effect of elastic mechanism 12, making it possible to can to the print wire of different-diameter It is enough to drive.
Filter mechanism 3 includes supporting shell 30,31, three cleaning sponges 32 of box cover and accommodating case 33, and the fixation of supporting shell 30 is set It sets at the top of cabinet 6, and supporting shell 30 is top and bottom hatch frame, box cover 31 is fixedly mounted on the top of supporting shell 30 Portion offers the string holes passed through for the print wire of three kinds of colors on box cover 31, and three accommodating cases 33 are mounted on 30 inside of supporting shell, And the bottom of three accommodating cases 33 offers the string holes passed through for print wire, three cleaning sponges 32 are located at three receivings In box 33, and the string holes passed through for print wire is offered on cleaning sponge 32, be fixedly installed lantern ring on the outer wall of accommodating case 33. When print wire passes through cleaning sponge 32, cleaning sponge 32 will remove the impurity on print wire, and the impurity after removal will be kept It,, will be so that by 33 He of accommodating case by manually pulling lantern ring after a spiral is finished on cleaning sponge 32 or in accommodating case 33 Cleaning sponge 32 is pulled out out of supporting shell 30, and then accommodating case 33 and cleaning sponge 32 are cleaned or replaced.
Three groups of correlation type optoelectronic switches 34 are fixedly installed in supporting shell 30, the line of three kinds of printer colors is each passed through The working end of three groups of correlation type optoelectronic switches 34, and three groups of correlation type optoelectronic switches 34 are electrically connected with the controller.Pass through three groups The working end of correlation type optoelectronic switch 34 detects the print wire of three kinds of different colours, if a printing in print wire print procedure Line breaks or does not have line, and corresponding one group of correlation type optoelectronic switch 34 will test print wire in three groups of correlation type optoelectronic switches 34 Break or do not have the case where line, correlation type optoelectronic switch 34 will transmit signals to controller, and controller will control three drivings Motor 15 stops working.
Print head 4 includes cooler bin 35, heat block 36 and nozzle 37, and 35 bottom of cooler bin is fixedly installed one piece of thermal insulation board 38, the string holes passed through for the print wire of three kinds of colors is offered on thermal insulation board 38, and heat block 36 is fixed at thermal insulation board 38 Bottom, and 36 bottom of heat block offers the threaded hole 39 being threadedly coupled for nozzle 37, is fixedly installed one on threaded hole 39 Colour mixture slot 40, and 36 upper top of heat block offers the bottoming hole 41 passed through for the print wire of three kinds of colors, the bottom of bottoming hole 41 It is connected to inside portion and colour mixture slot 40, stock chest 42, and bottoming hole 41, threaded hole 39 and colour mixture is offered on three bottoming holes 41 The coplanar setting of the axis of slot 40, and heat block 36 includes heating public block 43 and heating mother tuber 44, heats male block 43 and heating is female Block 44 is detachably connected, and is heated public block 43 close to the side of heating mother tuber 44 and is fixed with cutting 45, heats and open up on mother tuber 44 There is the slot 46 cooperated with cutting 45.Add including threaded hole 39, colour mixture slot 40, three on heating mother tuber 44 and the public block 43 of heating The half of hot hole 41 and stock chest 42, when the print wire of three kinds of different colours enters in heat block 36 along bottoming hole 41, The progress of block 36 heating and melting will be heated to enter in stock chest 42, then continue to move by print wire, it will be so that print wire The print wire melted in stock chest 42 is pushed to enter in colour mixture slot 40, it, will be so that different colours by the effect of colour mixture slot 40 Print wire carry out colour mixture, then flowed out out of the lower section of colour mixture slot 40 nozzle 37, print on corresponding object, it is public to pass through heating Block 43 and heating 44 detachable structure of mother tuber, so that convenient for cleaning inside heat block 36.
Cooler bin 35 includes cooling shell 47, radiator fan 48 and rotating electric machine 49, and the top of cooling shell 47 and cabinet 6 are fixed The bottom of connection, cooling shell 47 is fixedly connected with thermal insulation board 38, and rotating electric machine 49 is fixed on cooling shell 47, and is rotated The output end of motor 49 passes through cooling shell 47, and radiator fan 48 is located in cooling shell 47, and radiator fan 48 by shaft coupling with The output end of rotating electric machine 49 is fixedly connected, several heat release holes 50, the top of cooling shell 47 are offered on the shell wall of cooling shell 47 The string holes passed through for the print wire of three kinds of different colours is equipped on portion and thermal insulation board 38.Pass through the movement of rotating electric machine 49 The movement of radiator fan 48 is driven, and then to being blowed inside cooling shell 47, the wind blown will take away beating for three kinds of different colours The heat on line is printed, then passes through the effect of heat release hole 50, hot wind is blown out in cooling shell 47.
10. a kind of three colo(u)r streak material extruder control method of 3D printer, which comprises the following steps:
S1: print wire cleaning:
Pass through cleaning sponge 32 by print wire, so that cleaning sponge 32 cleans the impurity on print wire;
When print wire passes through cleaning sponge 32, cleaning sponge 32 will remove the impurity on print wire, and the impurity after removal will It keeps on cleaning sponge 32 or in accommodating case 33, it, will be so that by accommodating case by manually pulling lantern ring after a bundle of line is finished 33 and cleaning sponge 32 pulled out out of supporting shell 30, and then accommodating case 33 and cleaning sponge 32 are cleaned or are replaced.
S2: three kinds of print wire movements:
Driving motor 15 is controlled by controller to move, and then driving wheel 8 is driven to move, and then drives print wire movement;
Controller controls three driving motors 15 and moves, and then the line of different colours is inputted towards heat block 36, so that not having to face The print wire of color mixes, and generates new color.
S3: the thawing and colour mixture of print wire:
The print wire of different colours is melted by the effect for heating fast, then continues to move by print wire, is made The print wire for obtaining melting state is entered out of stock chest 42 carries out colour mixture in mixing channel;
The print wire of different colours enters in heat block 36, when print wire does not move, thawing in corresponding stock chest 42 Print wire will not be supplied towards mixing channel, only when print wire moves, the printing of the thawing in corresponding stock chest 42 Line can just be supplied towards mixing channel, to carry out color mixing.
S4:3D printer is printed:
Mixed color will be squeezed out out of nozzle 37, be printed;
By the effect of colour mixture slot 40, the print wire of different colours will be made to carry out colour mixture, then by colour mixture slot 40 constantly into The print wire for entering melting state, by the effect of pressure in colour mixture slot 40, so that the print wire after colour mixture is under colour mixture slot 40 Outflow, prints on corresponding object in the nozzle 37 of side.
Working principle: the print wire of three kinds of different colours is sequentially passed through by filter mechanism 3, extruding box 1 by worker first Between interior driven wheel 7 and driving wheel 8, when print wire is mounted between driven wheel 7 and driving wheel 8, pass through the two of spring 25 End is contradicted respectively at arc snap-gauge 24 and 6 inner wall of cabinet, so that arc snap-gauge 24 will be pushed by the elastic force of spring 25, so that arc Snap-gauge 24 is to the springy effect of driven shaft 10, so that driven shaft 10 will be moved along sliding groove 29, and then driven wheel 7 is driven to transport It is dynamic, so that driven wheel 7 and driving wheel 8 mutually contradict, so that the first rubber sleeve 19 and the second rubber sleeve 22 contradict, so that working as The movement of driving wheel 8, and then print wire is driven to move downward, starting driving motor 15 is controlled by controller, so that driving electricity The movement and then the drive movement of pinion gear 17 of machine 15, then pass through the engaged transmission of pinion gear 17 and gear wheel 16, and then drive big The movement of gear 16, and then drive driving shaft 13 to be moved by the movement of gear wheel 16, it is needed so that driving shaft 13 drives The first idler wheel 18 moved, then be set on the first rod wheel by the first rubber sleeve 19, driving wheel 8 drives corresponding driven Wheel 7 is moved, and will make that the print wire between corresponding driven wheel 7 and driving wheel 8 is driven to move, when print wire passes through When filter mechanism 3, line is passed through cleaning sponge 32 by print wire, and cleaning sponge 32 will remove the impurity on print wire, after removal Impurity will keep on cleaning sponge 32 or in accommodating case 33, after a bundle of line is finished, by manually pulling lantern ring, will so that Accommodating case 33 and cleaning sponge 32 are pulled out out of supporting shell 30, so to accommodating case 33 and cleaning sponge 32 carry out cleaning or Replacement, when the print wire of three kinds of different colours enters in heat block 36 along bottoming hole 41, will be heated block 36 and is added Heat is melted into stock chest 42, then continues to move by print wire, will be so that print wire pushes thawing in stock chest 42 Print wire enter in colour mixture slot 40, by the effect of colour mixture slot 40, the print wire of different colours will be made to carry out colour mixture, then It flows out, is printed on corresponding object out of 40 lower section of colour mixture slot nozzle 37.
It is to be understood that above-mentioned specific embodiment is only that presently preferred embodiments of the present invention and institute's application technology are former Reason.It will be understood by those skilled in the art that various modifications, equivalent replacement, variation etc. can also be done to the present invention.But this A little transformation, all should be within protection scope of the present invention without departing from spirit of the invention.In addition, present specification and power Some terms used in sharp claim are not limitation, it is only for convenient for description.

Claims (10)

1. a kind of three colo(u)r streak material extruder device of 3D printer, which is characterized in that including extruding box (1), controller, filter mechanism (3) it is successively sequentially distributed from top to bottom with print head (4), filter mechanism (3), extruding box (1) and print head (4), filter mechanism (3) it is fixed at the top of extruding box (1), the bottom of extruding box (1) is fixedly installed L-type support plate (5), print head (4) Be fixed at the bottom of L-type support plate (5), extruding box (1) include cabinet (6), three driving mechanisms (2), driven wheel (7) and Driving wheel (8), each driving wheel (8) are fixed at cabinet (6) inside bottom, and each driving wheel by fixing seat (9) (8) it is sequentially connected with driving mechanism (2), the setting that three driven wheels (7) can be rotated by a driven shaft (10) is in case On body (6), three driven wheels (7) are coaxially arranged with driven shaft (10), and each driven wheel (7) rotates with driven shaft (10) Connection, the two sides of each driven shaft (10) are fixedly installed restraining position ring block (11), each stop collar (11) with driven shaft (10) It is fixedly connected, and each driven shaft (10) is bonded by elastic mechanism (12) with drive roll, elastic mechanism (12) is fixed at On the inner wall of cabinet (6), and elastic mechanism (12) and driven shaft (10) working end contradict, and cabinet offers on (6) for print wire The perforation passed through, controller are electrically connected with driving mechanism (2).
2. three colo(u)r streak material extruder device of a kind of 3D printer according to claim 1, which is characterized in that fixing seat (9) Including driving shaft (13) and two support plates (14), driving shaft (13) is fixedly connected with driving wheel (8), and driving shaft (13) passes through Bearing and two support plates (14) are rotatablely connected, and two support plates (14) are separately positioned on the two sides of driving wheel (8).
3. three colo(u)r streak material extruder device of a kind of 3D printer according to claim 2, which is characterized in that driving mechanism It (2) include driving motor (15), gear wheel (16) and pinion gear (17), gear wheel (16) is fixed on driving shaft (13), Driving motor (15) is fixed at the inside bottom of cabinet (6), and pinion gear (17) is fixed at the defeated of driving motor (15) In outlet, and pinion gear (17) and gear wheel (16) engaged transmission.
4. three colo(u)r streak material extruder device of a kind of 3D printer according to claim 3, which is characterized in that driving wheel (8) Including the first idler wheel (18) and the first rubber sleeve (19), the first rubber sleeve (19) is fixedly mounted on the first idler wheel (18), and the One idler wheel (18) is fixedly connected with driving shaft (13), is offered on the first rubber sleeve (19) first annular limiting slot (20), driven Taking turns (7) includes the second idler wheel (21) and the second rubber sleeve (22), and the second rubber sleeve (22) is fixedly mounted on the second idler wheel (21), And second idler wheel (21) and driven shaft (10) be rotatablely connected, offer the second annular spacing groove (23) on the second rubber sleeve (22).
5. three colo(u)r streak material extruder device of a kind of 3D printer according to claim 4, which is characterized in that elastic mechanism It (12) include two groups of resilient push (26), two groups of resilient push (26) are located at the outside of three driven wheels (7), and each elasticity pushes away Bar (26) includes arc snap-gauge (24), spring (25), push rod (26) and shrinks set (27), and arc snap-gauge (24) is fixed at The top of push rod (26) is shunk set (27) and is fixed on the inner sidewall of cabinet (6), and the bottom of push rod (26) is plugged in receipts In contracting set (27), spring (25) is set on contraction set (27) and push rod (26), and the both ends of spring (25) are respectively at arc snap-gauge (24) it is contradicted with cabinet (6) inner wall, and the inside of arc snap-gauge (24) and driven shaft (10) contradict, the two sides of driven shaft (10) are worn It crosses cabinet (6), and the two sides of driven shaft (10) are fixedly installed there are two snap-gauge (28), the inside of two snap-gauges (28) is and case The outside of body (6) contradicts, and offers the sliding groove (29) slid back and forth for driven shaft (10) on cabinet (6), sliding groove (29) Width is less than the diameter of snap-gauge (28).
6. three colo(u)r streak material extruder device of a kind of 3D printer according to claim 1, which is characterized in that filter mechanism It (3) include that supporting shell (30), box cover (31), three cleaning sponges (32) and accommodating case (33), supporting shell (30) are fixed at The top of cabinet (6), and supporting shell (30) is top and bottom hatch frame, box cover (31) is fixedly mounted on supporting shell (30) Top offers the string holes passed through for the print wire of three kinds of colors on box cover (31), and three accommodating cases (33) are mounted on supporting shell (30) inside, and the bottom of three accommodating cases (33) offers the string holes passed through for print wire, three cleaning sponges (32) point Wei Yu not be in three accommodating cases (33), and the string holes passed through for print wire is offered on cleaning sponge (32), accommodating case (33) Lantern ring is fixedly installed on outer wall.
7. three colo(u)r streak material extruder device of a kind of 3D printer according to claim 6, which is characterized in that supporting shell (30) On be fixedly installed three groups of correlation type optoelectronic switches (34), the line of three kinds of printer colors is each passed through three groups of correlation type photoelectricity The working end of (34) is switched, and three groups of correlation type optoelectronic switches (34) are electrically connected with the controller.
8. three colo(u)r streak material extruder device of a kind of 3D printer according to claim 1, which is characterized in that print head (4) Including cooler bin (35), heat block (36) and nozzle (37), cooler bin (35) bottom is fixedly installed one piece of thermal insulation board (38), every The string holes passed through for the print wire of three kinds of colors is offered on hot plate (38), heat block (36) is fixed at thermal insulation board (38) Bottom, and heat block (36) bottom offers the threaded hole (39) being threadedly coupled for nozzle (37), fixation is set on threaded hole (39) It is equipped with a colour mixture slot (40), and heat block (36) upper top offers the bottoming hole passed through for the print wire of three kinds of colors (41), it is connected to inside the bottom of bottoming hole (41) and colour mixture slot (40), offers stock chest (42) on three bottoming holes (41), And the coplanar setting of axis of bottoming hole (41), threaded hole (39) and colour mixture slot (40), and heat block (36) includes heating public block (43) it is detachably connected with heating mother tuber (44), the public block (43) of heating and heating mother tuber (44), heats the close heating of public block (43) The side of mother tuber (44) is fixed with cutting (45), and the slot (46) with cutting (45) cooperation is offered in heating mother tuber (44).
9. three colo(u)r streak material extruder device of a kind of 3D printer according to claim 8, which is characterized in that cooler bin (35) Top including cooling shell (47), radiator fan (48) and rotating electric machine (49), cooling shell (47) is fixedly connected with cabinet (6), The bottom of cooling shell (47) is fixedly connected with thermal insulation board (38), and rotating electric machine (49) is fixed on cooling shell (47), and The output end of rotating electric machine (49) passes through cooling shell (47), and radiator fan (48) is located in cooling shell (47), and radiator fan (48) it is fixedly connected by shaft coupling with the output end of rotating electric machine (49), several is offered on the shell wall of cooling shell (47) and is dissipated Hot hole (50) cools down and is equipped with the line passed through for the print wire of three kinds of different colours on the top and thermal insulation board (38) of shell (47) Hole.
10. a kind of controlling party of three colo(u)r streak material extruder device of 3D printer described in any one according to claim 1 ~ 9 Method, which comprises the following steps:
S1: print wire cleaning:
Pass through cleaning sponge (32) by print wire, so that cleaning sponge (32) cleans the impurity on print wire;
S2: three kinds of print wire movements:
By controller control driving motor (15) movement, and then driving wheel (8) movement is driven, and then drives print wire movement;
S3: the thawing and colour mixture of print wire:
The print wire of different colours is melted by the effect for heating fast, then continues to move by print wire, is made The print wire for obtaining melting state is entered out of stock chest (42) carries out colour mixture in mixing channel;
S4:3D printer is printed:
Mixed color will be squeezed out out of nozzle (37), be printed.
CN201910795093.4A 2019-08-23 2019-08-23 A kind of three colo(u)r streak material extruder device of 3D printer and control method Withdrawn CN110406105A (en)

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