CN108312526A - Double nozzles of 3D printer position switching device - Google Patents

Double nozzles of 3D printer position switching device Download PDF

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Publication number
CN108312526A
CN108312526A CN201810082474.3A CN201810082474A CN108312526A CN 108312526 A CN108312526 A CN 108312526A CN 201810082474 A CN201810082474 A CN 201810082474A CN 108312526 A CN108312526 A CN 108312526A
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CN
China
Prior art keywords
bridgeware
station stop
casting die
cavity
switching device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810082474.3A
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Chinese (zh)
Inventor
李健喆
封华
宗俊杰
龙旺平
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Shanghai Fuzhi Information Technology Co Ltd
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Shanghai Fuzhi Information Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Fuzhi Information Technology Co Ltd filed Critical Shanghai Fuzhi Information Technology Co Ltd
Priority to CN201810082474.3A priority Critical patent/CN108312526A/en
Publication of CN108312526A publication Critical patent/CN108312526A/en
Pending legal-status Critical Current

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    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Coating Apparatus (AREA)

Abstract

The present invention provides a kind of double nozzles positioning switching device of 3D printer, including:Two bridgewares of mirror-image structure each other, are respectively arranged on two ejecting devices;Each bridgeware is equipped with pressure carrier, and pressure carrier includes sequentially connected above pushing away station stop, pressure transmission portion and replying station stop;Revolving part is connect with casing, is set on revolving part there are two casting die;Two elastic components, elastic component be arranged in bridgeware upper end and cavity upper wall between;Revolving part reciprocally rotates, and revolving part drives casting die to be moved on pressure carrier, and when casting die pushes up the movement of station stop from reply station stop, casting die pushes pressure transmission portion to move up;Casting die it is upper push away station stop or reply station stop on move when, pressure carrier keep halted state.The present invention can eliminate the phenomenon that double ejecting devices scrape during 3D printing, and ejecting device has higher positioning accuracy and repetitive positioning accuracy in moving process.

Description

Double nozzles of 3D printer position switching device
Technical field
The present invention relates to 3D printing technique fields, and switching device is positioned more particularly to a kind of double nozzles of 3D printer.
Background technology
One kind of 3D printing, that is, rapid shaping technique, it be one kind based on digital model file, with powdered gold Belong to or the adhesive materials such as plastics, constructs the technology of object by layer-by-layer printing.3D printing is typically using number Technologic material printer is realized.Often be used for modeling in fields such as mold manufacturing, industrial designs, after be gradually available for one The direct manufacture of a little products has had using parts made of the printing of this technology.The technology is set in jewelry, footwear, industry Meter, building, engineering and construction, automobile, aerospace, dentistry and medical industries, education, GIS-Geographic Information System, civil engineering, rifle Branch and other field are all applied.In print procedure, under normal circumstances, double ejecting devices are located at sustained height, one In a ejecting device print procedure, another ejecting device is easy to generate scraping effect to model, to influence printing effect.
Chinese invention patent《A kind of double end 3D printer of rotatable switching print head》, application number: 201410462135.X in the double end 3D printer, drives driving iron core rapidly to move left and right, to band using electromagnetic principle Dynamic mounting plate rotation, and then the first Wire outlet head and the second Wire outlet head is driven to do the cycloid motion to swing around fixed rotating shaft, Realize the switching up and down relatively of two Wire outlet heads.In the patent, after electromagnetic coil is powered, by gear drive, two sets are driven Printing equipment is rotated around fixed rotating shaft, and the difference in height in fore-and-aft plane that rotation generates is depend on to carry out ejecting device switching.The skill Art scheme realizes the function of double ejecting device switchings, to realize evacuation function in print procedure.But the positioning of this scheme needs It is extremely accurate by electromagnetic coil activation point, relative difficulty is implemented, and cost is higher.
Chinese invention patent《The rotary double nozzle switching devices of 3D printing》, application number:201510052482.X In, steering motor drives tooth sector to be rotated according to corresponding direction of rotation, by engaging for tooth sector and arc-shaped rack, second Holder is passively turned right side oscillation in pendulum model using rotation center as the center of circle in first support, is allowed between two ejecting devices and is generated Differential seat angle realizes the function of double ejecting device switching evacuation to realize longitudinal difference in height.But it is same, it is fixed after gear drive Position is difficult control, and realizes and be accurately positioned more difficult, and cost is also high.
United States Patent (USP)《SINGLE-MOTOR EXTRUSION HEAD HAVING MULTIPLE EXTRUSION LINES》, translator of Chinese is entitled《Single motor extrusion head with multiple extruded threads》, U.S. Patent No.:US7604470B2, Wherein, bracket component is a part for extrusion head, and bracket component includes base portion, rotary shaft, structure line, support line, spring etc..Base Portion is the auxiliary frame rotationally being connect with translating element at rotary shaft.The rotation connection of base portion makes bracket component in structure shape It is rotated around rotary shaft between state, neutral condition and holding state.Bracket component is in structure state, neutral condition and holding state Between conversion be to be driven by rotating manner.The structure of single motor extrusion head with multiple extruded threads is complex, cost It is high.
Invention content
In view of the foregoing deficiencies of prior art, it is fixed that the purpose of the present invention is to provide a kind of double nozzles of 3D printer Position switching device, for solving the above-mentioned problems in the prior art.
In order to solve the above technical problem, the present invention provides a kind of double nozzles of 3D printer to position switching device, installation In on the casing of 3D printer, being set on the casing there are two directed cavity, two ejecting devices being vertically arranged respectively penetrate in In two directed cavities, each directed cavity includes the cavity upper wall being oppositely arranged and cavity lower wall, and is set to institute State the cavity wall between cavity upper wall and the cavity lower wall;Double nozzle switching devices include:Mirror-image structure each other Two bridgewares, two bridgewares are inserted in respectively in two directed cavities, two bridgewares respectively with two The ejecting device connection, each bridgeware are equipped with pressure carrier, and the pressure carrier includes sequentially connected It above pushes away station stop, pressure transmission portion and replys station stop;Revolving part is flexibly connected with the casing, the rotation Casting die there are two being set on part;Two elastic components are respectively in two directed cavities, and each elastic component is arranged in accordingly The bridgeware upper end and the cavity upper wall of the corresponding directed cavity between;The revolving part reciprocally rotates, described Revolving part drives two casting dies to be moved on two pressure carriers respectively, and each casting die stops from the reply station Stop to it is described above push away station stop and move when, each casting die pushes the pressure transmission portion to move up;Wherein one A casting die is moved to when above pushing away station stop of the bridgeware contacted, another described casting die, which is moved to, to be connect The reply station stop of the tactile bridgeware, and each casting die pushes away station stop or reply station stop upper When upper mobile, the pressure carrier keeps halted state;When one of them described casting die is moved to the corresponding bridgeware Reply station stop when, the cavity lower wall of the directed cavity is pushed down in the bottom surface of the bridgeware.
Preferably, double nozzles of the 3D printer position switching device, further include penetrating in the revolving part Shaft, the shaft are between two bridgewares, the central axes of the shaft and horizontal plane.
Further, the pressure carrier is set to the bottom surface of the bridgeware, and the station stop that above pushes away is the One plane, the reply station stop are the second plane;First plane and second plane are parallel with horizontal plane, The level height of first plane is less than the level height of second plane;The pressure transmission portion is flat to be connected to first Spiralling slope surface between face and the second plane.
Further, the vertical distance of first plane and second plane is 1-5mm.
Further, any one of bridgeware includes conversion block and cushion block, the conversion block include block body and Supporter, the supporter are set on the side of another close bridgeware of the block body, and the pressure is accepted Portion is set on the bottom surface of the supporter, and the cushion block is connect with the bottom surface of the block body.
Still further, when one of them described casting die is moved to the reply station stop of the corresponding bridgeware When, there is gap between the reply station stop on the supporter of the casting die and the bridgeware.
Still further, the bottom surface of the block body with described above to push away station stop coplanar.
Further, the shape of the lateral surface of the block body is corresponding to the shape of the cavity wall of the directed cavity, and The block body is clearance fit with the directed cavity.
Further, two casting dies are horizontally disposed with and direction is opposite.
Further, double nozzles of the 3D printer position switching device, further include the driving revolving part rotation Drive component.
Further, the driving component includes driving element, the output end of the driving element and an input gear Connection;The output gear is connect with the revolving part, and the input gear is engaged with the output gear.
Double nozzles of the 3D printer of the present invention position switching device, have the advantages that:
The present invention can effectively eliminate the phenomenon that double ejecting devices scrape during 3D printing, in running order spray The shift position of bridgeware that head device is connected is limited by cavity lower wall so that the bridgeware and the ejecting device that is connect Position can keep stable, not easily shifted, then ensure ejecting device in moving process can have higher positioning accuracy and Repetitive positioning accuracy, so as to stable realization 3D printing;The configuration of the present invention is simple, it is easy for installation, it is highly practical.
Description of the drawings
Fig. 1 is shown as the dimensional structure diagram of double nozzles positioning switching device of the 3D printer of the present embodiment.
Fig. 2 is shown as the overlooking structure diagram of double nozzles positioning switching device of the 3D printer of the present embodiment.
Fig. 3 is shown as the A-A of Fig. 2 to diagrammatic cross-section.
Fig. 4 is shown as the stereochemical structure that casing is not arranged of double nozzles positioning switching device of the 3D printer of the present embodiment Schematic diagram.
What Fig. 5 was shown as double nozzles positioning switching device of the 3D printer of the present embodiment casing and revolving part are not arranged Dimensional structure diagram.
Fig. 6 is shown as the side view structure signal of the bridgeware of double nozzles positioning switching device of the 3D printer of the present embodiment Figure.
Fig. 7 is shown as the end perspective view of the bridgeware of double nozzles positioning switching device of the 3D printer of the present embodiment.
Fig. 8 is shown as the top perspective view of the bridgeware of double nozzles positioning switching device of the 3D printer of the present embodiment.
Fig. 9 is shown as the bottom structure that casing is not arranged of double nozzles positioning switching device of the 3D printer of the present embodiment Schematic diagram.
Drawing reference numeral explanation
100 casings
110 directed cavities
111 cavity upper walls
112 cavity lower walls
113 cavity walls
120 rotary drives are placed in chamber
130 through-holes
200 ejecting devices
210 nozzle parts
220 nozzle guide rods
230 bearing plates
300 bridgewares
30 conversion blocks
301 block bodies
302 supporters
303 concave surfaces
304 cushion blocks
3041 notches
310 pressure carriers
311 above push away station stop
312 pressure transmission portions
313 reply station stop
400 revolving parts
410 casting dies
500 elastic components
600 shafts
710 driving elements
720 input gears
730 output gears
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this explanations by particular specific embodiment below Content disclosed by book understands other advantages and effect of the present invention easily.
Please refer to attached drawing.It should be clear that structure, ratio, size etc. depicted in this specification institute accompanying drawings, only coordinating It is enforceable to be not limited to the present invention so that those skilled in the art understands and reads for the revealed content of specification Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, It does not influence under the effect of present invention can be generated and the purpose that can reach, should all still fall in disclosed technology contents It obtains in the range of capable of covering.Meanwhile cited such as "upper", "lower", "left", "right", " centre " and " one " in this specification Term, be merely convenient to being illustrated for narration, rather than to limit the scope of the invention, the change of relativeness or Adjustment, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the present invention.
As shown in Figures 1 to 9, double nozzles of the 3D printer of the present embodiment position switching device, are installed on 3D printer Casing 100 on, set on casing 100 there are two directed cavity 110, two ejecting devices 200 being vertically arranged are respectively penetrated in two In a directed cavity 110, each directed cavity 110 includes the cavity upper wall 111 being oppositely arranged and cavity lower wall 112, and is set to Cavity wall 113 between cavity upper wall 111 and cavity lower wall 112;
Double nozzle switching devices include:
Two bridgewares 300 of mirror-image structure, two bridgewares 300 are inserted in respectively in two directed cavities 110 each other, and two A bridgeware 300 is connect with two ejecting devices 200 respectively, and each bridgeware 300 is equipped with pressure carrier 310, and pressure is held Socket part 310 above pushes away station stop 311, pressure transmission portion 312 and reply station stop 313 including sequentially connected;
Revolving part 400 is flexibly connected with casing 100, is set on revolving part 400 there are two casting die 410;
Two elastic components 500 are respectively in two directed cavities 110, and each elastic component 500 is arranged in corresponding bridgeware Between 300 upper end and the cavity upper wall 111 of corresponding directed cavity 110;
The upper-end contact of the lower end and corresponding bridgeware 300 of each elastic component 500, the upper end of each elastic component 500 and The cavity upper wall 111 of corresponding directed cavity 110 contacts;The bottom surface of each bridgeware 300 is under the cavity of corresponding directed cavity 110 Wall 112 applies pressure;
Revolving part 400 reciprocally rotates, and revolving part 400 drives two casting dies 410 respectively on two pressure carriers 310 Mobile, when each casting die 410 pushes up the movement of station stop 311 from reply station stop 313, each casting die 410 pushes Pressure transmission portion 312 moves up;
One of casting die 410 is moved to when above pushing away station stop 311 of contacted bridgeware 300, another pressure Part 410 is moved to the reply station stop 313 of contacted bridgeware 300, and each casting die 410 pushes away station stop upper It 311 or replys when being moved on station stop 313, pressure carrier 310 keeps halted state;
When one of casting die 410 is moved to the reply station stop 313 of corresponding bridgeware 300, the bridgeware Push down the cavity lower wall 112 of directed cavity 110 in 300 bottom surface.
400 reciprocating rotation of revolving part of the present invention drives two casting dies 410 to be held respectively in the pressure of two bridgewares 300 It is moved in socket part 310;Due to two bridgewares 300 mirror-image structure each other, one of casting die 410 is from replying station stop 313 push up station stop 311 move when, another casting die 410 pushed away from above station stop 311 to reply station stop 313 movements.
When casting die 410 pushes up station stop 311 from reply station stop 313 to be moved, casting die 410 pushes pressure Transfer part 312 moves up, then makes bridgeware 300 that ejecting device 200 be driven to move up, and elastic component 500 compresses;Work as casting die 410 push away station stop 311 from above to when replying the movement of station stop 313, and the restoring force of elastic component 500 pushes pressure transmission Portion 312 moves down, then ejecting device 200 is made to move down;
When one of casting die 410 is moved to the reply station stop 313 of corresponding bridgeware 300, the bridgeware The cavity lower wall 112 of directed cavity 110 is pushed down in 300 bottom surface, and the ejecting device 200 which is connected is in work shape State;At this point, another casting die 410 be moved to corresponding bridgeware 300 above push away station stop 311, the bottom of the bridgeware 300 There is gap between face and cavity lower wall 112, the ejecting device 200 which is connected is in off working state.
Since 100 position of casing is fixed, then the bottom for the bridgeware 300 that in running order ejecting device 200 is connected When face pressure lives the cavity lower wall 112 of directed cavity 110, the bridgeware 300 is with the shift position for the ejecting device 200 being connect by chamber Body lower wall 112 limits, this allows for the bridgeware 300 can keep stable with the position for the ejecting device 200 being connect, and be not easy It is mobile.
The rotation amplitude of revolving part 400 makes what one of casting die 410 was moved to contacted bridgeware 300 above to push away station When stop 311, another casting die 410 is moved to the reply station stop 313 of contacted bridgeware 300, so two When ejecting device 200 moves down one of in ejecting device 200, another ejecting device 200 moves up, and realizes two A ejecting device 200 misplaces in vertical direction and avoids, to eliminate the scraping phenomenon during 3D printing;
Each casting die 410 it is upper push away station stop 311 or reply moved on station stop 313 when, pressure carrier 310 keep halted states, so even if revolving part 400 there are rotation error, revolving part 400 it is upper push away station stop 311 or It replys and is persistently moved on station stop 313, pressure carrier 310 will not be caused further to be driven, so ejecting device 200 longest paths moved in the vertical direction push the moving process in entire pressure transmission portion 312 corresponding to casting die 410, this Just effectively eliminate 400 rotation error of revolving part and caused by driving error, to make ejecting device 200 transport in the vertical direction Dynamic resetting is consistent, and realizes higher positioning accuracy and repetitive positioning accuracy.
In the present embodiment, each elastic component 500 is arranged in upper end and the corresponding directed cavity 110 of corresponding bridgeware 300 Cavity upper wall 111 between, that is to say, that the upper-end contact of the lower end and corresponding bridgeware 300 of each elastic component 500, often The upper end of a elastic component 500 is contacted with the cavity upper wall 111 of corresponding directed cavity 110.
For the ease of the installation of two elastic components 500, two elastic components 500 are respectively fitted on two ejecting devices 200.
Double nozzles of 3D printer position switching device, further include the shaft 600 penetrated in revolving part 400, shaft 600 Between two bridgewares 300, the central axes of shaft 600 and horizontal plane.Between two bridgewares 300, and it is perpendicular The setting for the shaft 600 being directly arranged, making revolving part 400, plane is interior around the rotation of shaft 600,400 band of revolving part in the horizontal direction Two casting dies 410 synchronizing moving on the pressure carrier 310 of corresponding bridgeware 300 is moved, and drives two ejecting devices 200 move back and forth in the vertical direction, realize the rotation in revolving part 400 in the horizontal direction plane, change and are sprayed for two The movement of head device 200 in the vertical direction.In the present embodiment, shaft 600 is inserted in casing 100, is equipped with and is supplied in casing 100 The axle portion that shaft 600 penetrates is inserted into hole.
Pressure carrier 310 is set to the bottom surface of bridgeware 300, and it is the first plane above to push away station stop 311, replys work Position stop 313 is the second plane;First plane and the second plane are parallel with horizontal plane, and the level height of the first plane is less than The level height of second plane;Pressure transmission portion 312 is the spiralling slope being connected between the first plane and the second plane Face.
Since the first plane and the second plane are parallel with horizontal plane, casting die 410 is moved up in the first plane and the second plane When dynamic, pressure carrier 310 keeps halted state;When casting die 410 moves in spiralling slope surface, pressure carrier 310 are subjected to displacement in the vertical direction.Using spiralling slope surface and two, there are the first plane of difference in height and second The structure of plane is easily worked, and stable transmission.
The vertical distance of first plane and the second plane is 1-5mm.Bridgeware 300 after being pushed by revolving part 400 is upward The ranging from 1-5mm of mobile maximum vertical distance, the distance is so that two ejecting devices 200 form difference in height so that wherein Temporary no ejecting device 200 is in top, advantageously ensures that printing precision.
Any one of bridgeware 300 includes conversion block 30 and cushion block 304, and conversion block 30 includes block body 301 and branch Support body 302, supporter 302 are set on the side of another close bridgeware 300 of block body 301, and pressure carrier 310 is set It is placed on the bottom surface of the supporter 302, cushion block 304 is connect with the bottom surface of block body 301.It is led since block body 301 is inserted in Into chamber 110, for the ease of casting die 410 by supporter 302, pushes block body 301 to be moved in directed cavity 110, make support Body 302 is set on the side of another close bridgeware 300 of block body 301, can ensure that casting die 410 can be pushed quickly Supporter 302 moves up.Cushion block 304 is so that the height of entire bridgeware 300 increases so that can be corresponding in the present embodiment The size for increasing casting die 410, convenient for pushing supporter 302 to move up.The side of the close casting die 410 of cushion block 304, which is equipped with, to be supplied The notch 3041 that casting die 410 is penetrated and moved for casting die 410.When one of casting die 410 is moved to corresponding bridgeware 300 When replying station stop 313, the cavity lower wall 112 of directed cavity 110 is pushed down in the bottom surface of the cushion block 304 of the bridgeware 300.
When one of casting die 410 is moved to the reply station stop 313 of corresponding bridgeware 300, the casting die 410 There is gap between the reply station stop 313 on the supporter 302 of the bridgeware 300.The structure can ensure casting die 410 When being moved to the reply station stop 313 of corresponding bridgeware 300, casting die 410 will not encounter the reply work on supporter 302 Position stop 31, casting die 410 will not cause to hinder to the reply station stop 31 on supporter 302 so that bridgeware 300 Bottom surface can push down the cavity lower wall 112 of directed cavity 110 completely.
In each conversion block 30, the bottom surface of block body 301 with above to push away station stop 311 coplanar.It can using the structure So that bridgeware 300 is more convenient for processing.
The shape of the lateral surface of block body 301 is corresponding to the shape of cavity wall 113 of directed cavity 110, and block body 301 It is clearance fit with directed cavity 110.Directed cavity 110 defines that the mobile route of block body 301, directed cavity 110 are vertically arranged, The movement for enabling block body 301 to stablize along vertical direction.
Two casting die 410 is horizontally disposed and direction is opposite.The structure enables two casting dies 410 while turning respectively at two It changes on the supporter 302 of part 300 and moves, and above pushing away on corresponding bridgeware 300 can be moved respectively to convenient for two casting dies 410 Station stop 311 and reply station stop 313.In the present embodiment, casting die 410 is rod piece, the central axes of two casting dies 410 Collinearly, the central axes of two casting dies 410 are parallel with horizontal plane.
Bridgeware 300 can be quickly pushed for the ease of casting die 410, it is more flexible when the present apparatus being enable to use, it is any one The profile of side close to another bridgeware 300 of a block body 301 is and the corresponding arc of 410 motion track of corresponding casting die Shape structure.
Double nozzles of 3D printer position switching device, further include the drive component for driving revolving part 400 to rotate.Driving group Part drives revolving part 400 to rotate, and can improve transmission efficiency.
Drive component includes driving element 710, and the output end of driving element 710 is connect with an input gear 720;Output gear Wheel 730 is connect with revolving part 400, and input gear 720 is engaged with output gear 730.Driving element 710 drives input gear 720 Rotation, input gear 720 drive revolving part 400 to rotate by output gear 730.The machines such as link transmission can also be used in drive component Tool drive mechanism.In the present embodiment, driving element 710 and input gear 720 are set to the outside of casing 100, output gear 730 It is set to the inside of casing 100.Output gear 730 is structure as a whole with revolving part 400, and output gear 730 and revolving part 400 It is sleeved in shaft 600.Output gear 730 drives revolving part 400 to be rotated around shaft 600.Casing 100 is equipped with for output gear Wheel 730 is placed in chamber 120 with the rotary drive that revolving part 400 is placed in.
The supporter 302 of any one bridgeware 300 is and output gear close to the side of another bridgeware 300 730 corresponding concave surfaces 303, output gear 730 can enter concave surface 303 in rotating, which enables output gear 730 to be arranged Between two bridgewares 300, keep the structure of the present apparatus more compact.
The mechanical transmission structures such as link transmission can also be used in drive component.
The driving output shaft of driving element 710 is to be arranged in parallel with shaft 600, which can be convenient for driving element 710 Transmit driving force.In the present embodiment, driving element 710 is the motor with forward and backward function.
Ejecting device 200 includes nozzle part 210, the upper end connection nozzle guide rod 220 of nozzle part 210, nozzle guide rod 220 penetrate in directed cavity 110, and backing plate 304 and conversion block 30 are installed on nozzle guide rod 220.Two elastic components 500 cover respectively On two nozzle guide rods 220.
In the present embodiment, nozzle guide rod 220 passes through elastic component 500, and the top of casing 100 is equipped with for nozzle guide rod The through-hole 130 that 220 upper end is pierced by, the structure make the moving range bigger of nozzle guide rod 220, moving process more stable. Elastic component 500 is spring.
The present invention can effectively eliminate the phenomenon that double ejecting devices 200 scrape during 3D printing, and ejecting device 200 can have higher positioning accuracy and repetitive positioning accuracy in moving process, so as to stable realization 3D printing, And the configuration of the present invention is simple, it is easy for installation, it is highly practical.
To sum up, the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as At all equivalent modifications or change, should by the present invention claim be covered.

Claims (11)

1. a kind of double nozzles of 3D printer position switching device, it is installed on the casing (100) of 3D printer, feature exists In:
Set on the casing (100) there are two directed cavity (110), two ejecting devices (200) being vertically arranged respectively penetrate in In two directed cavities (110), each directed cavity (110) includes under the cavity upper wall (111) and cavity being oppositely arranged Wall (112), and the cavity wall (113) that is set between the cavity upper wall (111) and the cavity lower wall (112);
Double nozzle switching devices include:
Two bridgewares (300) of mirror-image structure each other, two bridgewares (300) are inserted in two directed cavities respectively (110) in, two bridgewares (300) connect with two ejecting devices (200) respectively, each bridgeware (300) it is equipped with pressure carrier (310), the pressure carrier (310) includes sequentially connected above pushing away station stop (311), pressure transmission portion (312) and reply station stop (313);
Revolving part (400) is flexibly connected with the casing (100), is set on the revolving part (400) there are two casting die (410);
Two elastic components (500) are respectively in two directed cavities (110), and each elastic component (500) is arranged in phase Between the upper end for the bridgeware (300) answered and the cavity upper wall (111) of the corresponding directed cavity (110);
The revolving part (400) reciprocally rotates, and the revolving part (400) drives two casting dies (410) respectively at two Pressure carrier moves on (310), and each casting die (410) above pushes away work from the reply station stop (313) to described When position stop (311) is mobile, each casting die (410) pushes the pressure transmission portion (312) to move up;
What one of them described casting die (410) was moved to the bridgeware (300) contacted above pushes away station stop (311) When, another casting die (410) is moved to the reply station stop (313) of the bridgeware (300) contacted, and every A casting die (410) it is upper push away station stop (311) or reply moved on station stop (313) when, the pressure is held Socket part (310) keeps halted state;
When one of them described casting die (410) is moved to the reply station stop (313) of the corresponding bridgeware (300) When, the cavity lower wall (112) of the directed cavity (110) is pushed down in the bottom surface of the bridgeware (300).
2. double nozzles of 3D printer according to claim 1 position switching device, it is characterised in that:Further include penetrate in Shaft (600) in the revolving part (400), the shaft (600) are between two bridgewares (300), described turn The central axes of axis (600) and horizontal plane.
3. double nozzles of 3D printer according to claim 2 position switching device, it is characterised in that:The pressure is accepted Portion (310) is set to the bottom surface of the bridgeware (300), and the station stop (311) that above pushes away is the first plane, the reply Station stop (313) is the second plane;First plane and second plane are parallel with horizontal plane,
The level height of first plane is less than the level height of second plane;The pressure transmission portion (312) is to connect The spiralling slope surface being connected between the first plane and the second plane.
4. double nozzles of 3D printer according to claim 3 position switching device, it is characterised in that:First plane Vertical distance with second plane is 1-5mm.
5. double nozzles of 3D printer according to claim 3 position switching device, it is characterised in that:It is any one of Bridgeware (300) includes conversion block (30) and cushion block (304), and the conversion block (30) includes block body (301) and supporter (302), the supporter (302) is set to the side of another close bridgeware (300) of the block body (301) On, the pressure carrier (310) is set on the bottom surface of the supporter (302), the cushion block (304) and the block body (301) bottom surface connection.
6. double nozzles of 3D printer according to claim 5 position switching device, it is characterised in that:When one of institute When stating casting die (410) and being moved to the reply station stop (313) of the corresponding bridgeware (300), the casting die (410) with should There is gap between reply station stop (313) on the supporter (302) of bridgeware (300).
7. double nozzles of 3D printer according to claim 5 position switching device, it is characterised in that:The block body (301) bottom surface with described above to push away station stop (311) coplanar.
8. double nozzles of 3D printer according to claim 2 position switching device, it is characterised in that:The block body (301) shape of lateral surface is corresponding to the shape of cavity wall (113) of the directed cavity (110), and the block body (301) it is clearance fit with the directed cavity (110).
9. double nozzles of 3D printer according to claim 2 position switching device, it is characterised in that:Two casting dies (410) it is horizontally disposed with and direction is opposite.
10. double nozzles of 3D printer according to claim 2 position switching device, it is characterised in that:It further include driving The drive component of revolving part (400) rotation.
11. double nozzles of 3D printer according to claim 10 position switching device, it is characterised in that:The driving group Part includes driving element (710), and the output end of the driving element (710) is connect with an input gear (720);
The output gear (730) connect with the revolving part (400), the input gear (720) and the output gear (730) it engages.
CN201810082474.3A 2018-01-29 2018-01-29 Double nozzles of 3D printer position switching device Pending CN108312526A (en)

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Application Number Priority Date Filing Date Title
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CN108312526A true CN108312526A (en) 2018-07-24

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109910303A (en) * 2019-03-11 2019-06-21 广西电网有限责任公司防城港供电局 A kind of double spray polychrome 3D printers
CN111070692A (en) * 2020-01-07 2020-04-28 上海复志信息技术有限公司 FFF (fringe field switching) technology 3D (three-dimensional) printing system and method
CN111376607A (en) * 2020-04-13 2020-07-07 潘映彤 Conversion device for nozzle of ink-jet printer
CN111633985A (en) * 2020-06-05 2020-09-08 中科院广州电子技术有限公司 Automatic switch 3D printer extrusion system who prints
CN112776332A (en) * 2021-01-20 2021-05-11 浙江嘉兴智叠智能科技有限公司 High-compatibility spray head winding and unwinding device
WO2022142956A1 (en) * 2020-12-30 2022-07-07 深圳市纵维立方科技有限公司 Print head switching assembly and printer

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CN104626589A (en) * 2015-01-30 2015-05-20 江苏浩宇电子科技有限公司 Rotary type double-nozzle switching device for 3D printing
CN107599393A (en) * 2017-10-24 2018-01-19 上海复志信息技术有限公司 Double shower nozzle switching devices for 3D printer
CN208148512U (en) * 2018-01-29 2018-11-27 上海复志信息技术有限公司 Double spray heads of 3D printer position switching device

Patent Citations (3)

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CN104626589A (en) * 2015-01-30 2015-05-20 江苏浩宇电子科技有限公司 Rotary type double-nozzle switching device for 3D printing
CN107599393A (en) * 2017-10-24 2018-01-19 上海复志信息技术有限公司 Double shower nozzle switching devices for 3D printer
CN208148512U (en) * 2018-01-29 2018-11-27 上海复志信息技术有限公司 Double spray heads of 3D printer position switching device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109910303A (en) * 2019-03-11 2019-06-21 广西电网有限责任公司防城港供电局 A kind of double spray polychrome 3D printers
CN111070692A (en) * 2020-01-07 2020-04-28 上海复志信息技术有限公司 FFF (fringe field switching) technology 3D (three-dimensional) printing system and method
CN111376607A (en) * 2020-04-13 2020-07-07 潘映彤 Conversion device for nozzle of ink-jet printer
CN111376607B (en) * 2020-04-13 2021-08-03 潘映彤 Conversion device for nozzle of ink-jet printer
CN111633985A (en) * 2020-06-05 2020-09-08 中科院广州电子技术有限公司 Automatic switch 3D printer extrusion system who prints
CN111633985B (en) * 2020-06-05 2022-03-15 中科院广州电子技术有限公司 Automatic switch 3D printer extrusion system who prints
WO2022142956A1 (en) * 2020-12-30 2022-07-07 深圳市纵维立方科技有限公司 Print head switching assembly and printer
CN112776332A (en) * 2021-01-20 2021-05-11 浙江嘉兴智叠智能科技有限公司 High-compatibility spray head winding and unwinding device

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