CN104369383B - Rotary 3D printer - Google Patents

Rotary 3D printer Download PDF

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Publication number
CN104369383B
CN104369383B CN201410674487.1A CN201410674487A CN104369383B CN 104369383 B CN104369383 B CN 104369383B CN 201410674487 A CN201410674487 A CN 201410674487A CN 104369383 B CN104369383 B CN 104369383B
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China
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electric
printhead
linear
turning arm
fixed
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CN201410674487.1A
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CN104369383A (en
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朱杨林
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Han Shaoqing
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Individual
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Priority to CN201610522824.4A priority Critical patent/CN105984150B/en
Priority to CN201410674487.1A priority patent/CN104369383B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE 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
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)

Abstract

A kind of rotary 3D printer, belongs to melting fused deposition rapid moulding equipment.Including base, it sets objective table；Printhead stage driving, is located on base；Printhead, it is located in printhead stage driving, printhead stage driving includes straight-line electric support, linear electric motors, electric rotating support, electric rotating machine, turning arm and printhead plateau levels mobile motor, straight-line electric support is fixed on base, linear electric motors are located at the straight-line electric support side towards turning arm, electric rotating support is fixed on linear electric motors, electric rotating machine is fixed on electric rotating support, spin motor shaft is fixed towards one end of linear electric motors with turning arm, the top of the other end correspondence objective table of turning arm, printhead plateau levels mobile motor is located at the turning arm side towards objective table, printhead is fixed on printhead plateau levels mobile motor.Improve print speed；Space availability ratio is high；Print high-precision part；Energy accurately Control Radius, angle and height.

Description

Rotary 3D printer
Technical field
The invention belongs to melting fused deposition rapid moulding equipment technical field, be specifically related to a kind of rotary 3D printer.
Background technology
The cutting edge technology knowledge of the aspects such as digital modeling techniques, Electromechanical Control technology, information technology, material science and chemistry is combined due to 3D printing, make the personalized of big specification produce the major transformation being possibly realized and leading global manufacturing economy, thus extensively paid close attention to by people.3D printer is the nucleus equipment that 3D prints, it is to use consumptive material (consumptive material such as: powdered metal material, plastics, pottery, sand etc can jointing material) to build object by the way of successively printing based on mathematical model file, the most under control of the computer according to the threedimensional model direct forming 3D solid of workpiece, it is not necessary to the equipment of traditional machining tool etc and moulds of industrial equipment, frock clamp etc..
Printing head is for exporting the parts of consumptive material in 3D printer, and the relation between itself and print platform need to meet the movement needs of the free degree in tri-directions of X, Y and Z.Known 3D printer mostly use rotating stepper motor to add Timing Belt makes printing head realize the motion in tri-directions of X, Y and Z, there is following shortcoming in the 3D printer of this version: one, component number are many, and structure is complicated, and space availability ratio is low；Two, control accuracy is relatively low and print speed slow, and impact builds the efficiency of object.
The technical information about 3D printer can be seen in disclosed Chinese patent literature, as application for a patent for invention publication No. CN103317726A recommends to have " nozzle gearing mechanism of 3D printer and have the 3D printer of this mechanism ", the nozzle gearing mechanism of this patent application scheme is made up of motor, drive and transmission band (Timing Belt), specifically can be found in the 0025th to 0029 section of the specification of this patent application.And for example Authorization Notice No. CN203485190U is provided with " a kind of 3D printer based on parallel institution ", this patent formula is owing to have employed servomotor (the 0016th section of specification), thus not only volume is big, and low to the reliability of the locus control of printing head.And then as the introduction of application for a patent for invention publication No. CN103862679A has " 3D printer ", aforementioned CN103317726A is evaluated in the 0004th section of its specification by this patent application, and its technical scheme (the 0006th to 0012 section of specification) provided overcomes the drawback of CN103317726A, but order about printing head action owing to this patent application scheme employs stepper motor, thus to the control accuracy of printing head and order about the speed of printing head motion and be all difficult to reach industry intended effect.
The deficiency existed in view of above-mentioned prior art, the applicant has made useful design, and has defined technical scheme described below.
Summary of the invention
The task of the present invention is to provide a kind of and contributes to significantly improving print speed and use and meet industrialized mass production and require, be conducive to substantially reducing the number of parts and use and make structure tend to compact and improve space availability ratio, be of value to and ensure that printing precision is used and met rotary 3D printer precise part printing requirements, having the Cartesian coordinate motion platform pattern being easy to become traditional to use the satisfied rigors to space printing into polar coordinates motor pattern.
The task of the present invention is performed by, a kind of rotary 3D printer, including a base, on the base and be positioned at base and be provided with one towards upper side for carrying the objective table of printed matter；One printhead stage driving, this printhead stage driving is arranged on described base；nullOne printhead，This printhead is being arranged in printhead stage driving corresponding to the position above described objective table，It is characterised by: described printhead stage driving includes straight-line electric support、Linear electric motors、Electric rotating support、Electric rotating machine、Turning arm and printhead plateau levels mobile motor，Straight-line electric support is fixed on described base with longitudinal state，Linear electric motors are arranged on the straight-line electric support side towards turning arm，Electric rotating support is fixed on linear electric motors，Electric rotating machine is fixed on electric rotating support，And the spin motor shaft of this electric rotating machine and turning arm are fixing towards one end of linear electric motors to be connected，And the other end of turning arm corresponds to the top of described objective table with horizontal boom state，Printhead plateau levels mobile motor is arranged on the turning arm side towards objective table，Described printhead is fixed on printhead plateau levels mobile motor by printhead platform.
In a specific embodiment of the present invention, described linear electric motors include one group of linear motor stator electric, linear motor rotor and a pair linear electric motors guide rail, one group of linear motor stator electric is spaced, along the short transverse of described straight-line electric support, the side being fixed on straight-line electric support towards described turning arm from top to bottom, linear motor rotor coordinates with a pair linear electric motors slide when matching with one group of described linear motor stator electric, and a pair linear electric motors guide rail parallel and is fixed with described straight-line electric support in the position of the both sides corresponding respectively to one group of linear motor stator electric longitudinally of one another, described electric rotating support is fixed towards the side of described turning arm with linear motor rotor.
In another specific embodiment of the present invention, being fixed with linear motor rotor slide block on described linear motor rotor and in the position corresponding to a pair described linear electric motors guide rail, this linear motor rotor slide block and a pair linear electric motors slide coordinate.
In another specific embodiment of the present invention, one group of described linear motor stator electric is magnet.
In another specific embodiment of the present invention, described printhead plateau levels mobile motor includes that moves horizontally a motor stator, move horizontally electric mover and move horizontally motor slide rails a pair, one group moves horizontally motor stator and is fixed on turning arm along described turning arm towards the length direction of the side of described objective table interval, move horizontally electric mover and move horizontally motor slide rails with a pair motor stator matches and be slidably matched when moving horizontally with one group, and move horizontally motor slide rails for a pair and laterally parallel and fix with turning arm in the position corresponding respectively to one group of both sides moving horizontally motor stator, described printhead platform is taken described printhead and is fixed towards the side of described objective table with the described electric mover that moves horizontally.
In an also specific embodiment of the present invention, moving horizontally electric mover slide block in described moving horizontally on electric mover and be fixed with in the position moving horizontally motor slide rails corresponding to described a pair, this moves horizontally electric mover slide block and moves horizontally motor slide rails for a pair and be slidably matched.
In more and in a specific embodiment of the present invention, it is magnet that described one group moves horizontally motor stator.
The present invention's and then in a specific embodiment, back to the described side moving horizontally electric mover and it is fixed with a fan in the position corresponding to described printhead at described printhead platform.
In the most more and in a specific embodiment of the present invention, described fan is piezo jet fan or blade fan.
In again and then in a specific embodiment of the present invention, described printhead is provided with electric heater, and on electric heater, is provided with electrically heated rod and temperature sensor.
One of technique effect of technical scheme that the present invention provides, owing to have employed printhead stage driving rational in infrastructure, thus abandoned the pattern making printhead platform move by toothed belt transmission in prior art, and from polar origin more close to, speed is the fastest, then efficiently contributes to improve print speed and be satisfied industrialized mass production requirement；Two, owing to overall structure is terse, thus space availability ratio is significantly improved；Three, owing to turning arm can move up and down under the control of linear electric motors, simultaneously can be controlled its rotary motion by electric rotating machine, thus be advantageous to print high-precision part；Four, owing to overall structure shows as polar coordinate system pattern, thus radius, angle and height can be accurately controlled and use and meet the rigors that 3D prints.
Accompanying drawing explanation
Fig. 1 is embodiments of the invention structure chart.
Detailed description of the invention
In order to enable the auditor especially public of Patent Office to be more clearly understood from technical spirit and the beneficial effect of the present invention, applicant will elaborate below by way of example, but the description to embodiment is not the restriction to the present invention program, the most pro forma rather than substantial equivalent transformation that is only done by any foundation present inventive concept is regarded as technical scheme category.
Refer to Fig. 1, figure 1 illustrates a base 1 of the structural system of the present invention rotary 3D printer, on this base 1 and be positioned at base 1 towards on side be provided with one for carrying the objective table 11 of printed matter, this objective table 11 also known as print platform, also can arrange base and soar flange 12 as preferably scheme in the bottom of base 1；One printhead stage driving 2, on the base 1 that this printhead stage driving 2 is described before being arranged on；One printhead 3, this printhead 3 is being arranged in printhead stage driving 2 corresponding to the position above described objective table 11.
nullTechnical essential as the technical scheme that the present invention provides: the structural system of aforesaid printhead stage driving 2 includes: straight-line electric support 21、Linear electric motors 22、Electric rotating support 23、Electric rotating machine 24、Turning arm 25 and printhead plateau levels mobile motor 26，Straight-line electric support 21 is fixed on said base 1 towards upper side with longitudinal state，Linear electric motors 22 are arranged on the straight-line electric support 21 side towards turning arm 25 i.e. towards the side of objective table 11，Electric rotating support 23 is fixed on linear electric motors 22，Electric rotating machine 24 is fixed screw 242 by electric rotating machine and is fixed on electric rotating support 23，And the spin motor shaft 241 of this electric rotating machine 24 and turning arm 25 are fixing towards one end of linear electric motors 22 to be connected，And the other end of turning arm 25 corresponds to the top of objective table 11 with horizontal boom state，Printhead plateau levels mobile motor 26 is arranged on the turning arm 25 side towards objective table 11，Aforesaid printhead 3 is fixed on printhead plateau levels mobile motor 26 by printhead platform 31.
nullContinue to see Fig. 1，Aforesaid linear electric motors 21 include one group of linear motor stator electric 221、Linear motor rotor 222 and a pair linear electric motors guide rail 223，One group of linear motor stator electric 221 (can also claim from bottom to top) interval to be fixed on the straight-line electric support 21 side towards turning arm 25 along the short transverse of described straight-line electric support 21 from top to bottom，Linear motor rotor 222 is slidably matched with a pair linear electric motors guide rail 223 when matching with one group of linear motor stator electric 221，And a pair parallel longitudinally of one another and in the both sides corresponding respectively to one group of linear motor stator electric 221 fixing screw 2231 of position employing of linear electric motors guide rail 223 is fixed with straight-line electric support 21，Aforesaid electric rotating support 23 uses electric rotating support screw 231 to fix towards the side of turning arm 25 with linear motor rotor 222.It is fixed with linear motor rotor slide block 2221(a pair on aforesaid linear motor rotor 222 and in the position corresponding to a pair linear electric motors guide rail 223), this linear motor rotor slide block 2221 is slidably matched with a pair linear electric motors guide rail 223.
By described above, certainly may determine that aforesaid one group of linear motor stator electric 221 is magnet.
nullStill see Fig. 1，Aforesaid printhead plateau levels mobile motor 26 includes that moves horizontally a motor stator 261、Move horizontally electric mover 262 and move horizontally motor slide rails 263 for a pair，One group move horizontally motor stator 261 along turning arm 25 towards aforementioned objective table 11 side (i.e. diagram state towards under side) length direction interval be fixed on turning arm 25，Move horizontally electric mover 262 and move horizontally motor slide rails 263 with a pair motor stator 261 matches and be slidably matched when moving horizontally with one group，And it is laterally parallel and fixing with turning arm 25 in the position employing screw (not shown) corresponding respectively to one group of both sides moving horizontally motor stator 261 to move horizontally motor slide rails 263 for a pair，Aforementioned printhead platform 31 is fixed with moving horizontally the electric mover 262 side towards objective table 11 together with printhead 3.
As shown in Figure 1, aforesaid move horizontally on electric mover 262 and be fixed with in the position moving horizontally motor slide rails 263 corresponding to aforesaid a pair move horizontally electric mover slide block 2621, this moves horizontally electric mover slide block 2621 and moves horizontally motor slide rails 263 with a pair and be slidably matched.
By described above, certainly may determine that aforesaid one group moves horizontally motor stator 261 for magnet.
And then as shown in Figure 1, it is fixed with a fan 311 back to the side of aforementioned levels mobile motor mover 262 and in the position of the side corresponding to described printhead 3 at aforementioned printhead platform 31, specifically: fan 311 is fixing with fan base 3111, and fan base 3111 is fixed with printhead platform 31 by fan base screw 31111.
In the present embodiment, aforesaid fan 311 is piezo jet fan.
Owing to piezo jet fan uses double piezoelectric principle, thus " double piezoelectricity cooling injection fan " can be referred to as, belong to radiator category due to double piezoelectricity cooling injection fans again, thus the miniflow bellows to electronic equipment injection high-speed air can be understood as.This piezo jet fan is taken the lead in releasing by GE company of General Electric (U.S.A.), abbreviation DCJ(full name: DualPiezoelectruc Cooling Jets), thickness is only 4, power consumption can reduce more than one times relative to bearing blade fan, but radiating efficiency improves more than ten times, can be used in ultrathin panel computer of future generation and ultrathin notebook PC.Present inventor is applied to 3D printer, the experiment proved that have good positive effect for the curing rate accelerating melted material.If applicant is it should be understood that substitute piezo jet fan by blade fan (i.e. bearing blade fan), then should be considered as equivalent.
Fig. 1 also show the electric heater 32 being arranged on aforesaid printhead 3, and on electric heater 32, be provided with electrically heated rod 321 and temperature sensor 322.
When implementing to print, by the program set, linear electric motors 22 make turning arm 25 move up and down, electric rotating machine 24 make turning arm 25 rotate, made printhead 3 horizontal movement by printhead plateau levels mobile motor 26, thus on objective table 11, printed required part by printhead 3.
In sum, the technical scheme that the present invention provides overcomes the shortcoming in prior art, completes invention task, embodies the technique effect referred in applicant's superincumbent technique effect hurdle objectively, and can yet be regarded as is a ultimate attainment technical scheme.

Claims (10)

1.A kind of rotary 3D Printer, including a base (1) , at this base (1) Go up and be positioned at base (1) One it is provided with for carrying the objective table of printed matter towards upper side (11) ；One printhead stage driving (2) , this printhead stage driving (2) It is arranged on described base (1) On；One printhead (3) , this printhead (3) Corresponding to described objective table (11) The position of top be arranged on printhead stage driving (2) On, it is characterised in that: described printhead stage driving (2) Including straight-line electric support (21) , linear electric motors (22) , electric rotating support (23) , electric rotating machine (24) , turning arm (25) With printhead plateau levels mobile motor (26) , straight-line electric support (21) It is fixed on described base with longitudinal state (1) On, linear electric motors (22) It is arranged on straight-line electric support (21) Towards turning arm (25) Side, electric rotating support (23) It is fixed on linear electric motors (22) On, electric rotating machine (24) It is fixed on electric rotating support (23) On, and this electric rotating machine (24) Spin motor shaft (241) With turning arm (25) Towards linear electric motors (22) One end fixing connect, and turning arm (25) The other end with horizontal boom state corresponding to described objective table (11) Top, printhead plateau levels mobile motor (26) It is arranged on turning arm (25) Towards objective table (11) Side, described printhead (3) By printhead platform (31) It is fixed on printhead plateau levels mobile motor (26) On.
2.According to claim 1 Described is rotary 3D Printer, it is characterised in that described linear electric motors (22) Including one group of linear motor stator electric (221) , linear motor rotor (222) With a pair linear electric motors guide rail (223) , one group of linear motor stator electric (221) Along described straight-line electric support (21) Short transverse be spaced from top to bottom and be fixed on straight-line electric support (21) Towards described turning arm (25) Side, linear motor rotor (222) With one group of described linear motor stator electric (221) With a pair linear electric motors guide rail under the state matched (223) It is slidably matched, and a pair linear electric motors guide rail (223) Parallel longitudinally of one another and corresponding respectively to one group of linear motor stator electric (221) Position and the described straight-line electric support of both sides (21) Fixing, described electric rotating support (23) With linear motor rotor (222) Towards described turning arm (25) Side fix.
3.According to claim 2 Described is rotary 3D Printer, it is characterised in that at described linear motor rotor (222) Go up and corresponding to a pair described linear electric motors guide rail (223) Position be fixed with linear motor rotor slide block (2221) , this linear motor rotor slide block (2221) With a pair linear electric motors guide rail (223) It is slidably matched.
4.According to claim 2 Described is rotary 3D Printer, it is characterised in that one group of described linear motor stator electric (221) For magnet.
5.According to claim 1 Described is rotary 3D Printer, it is characterised in that described printhead plateau levels mobile motor (26) Motor stator is moved horizontally including one group (261) , move horizontally electric mover (262) Motor slide rails is moved horizontally with a pair (263) , one group moves horizontally motor stator (261) Along described turning arm (25) Towards described objective table (11) Side length direction interval be fixed on turning arm (25) On, move horizontally electric mover (262) Motor stator is being moved horizontally with one group (261) Motor slide rails is moved horizontally with a pair under the state matched (263) It is slidably matched, and a pair moves horizontally motor slide rails (263) Laterally parallel and move horizontally motor stator corresponding respectively to one group (261) The position of both sides and turning arm (25) Fixing, described printhead platform (31) Take described printhead (3) Electric mover is moved horizontally with described (262) Towards described objective table (11) Side fix.
6.According to claim 5 Described is rotary 3D Printer, it is characterised in that move horizontally electric mover described (262) Above and moving horizontally motor slide rails corresponding to described a pair (263) Position be fixed with and move horizontally electric mover slide block (2621) , this moves horizontally electric mover slide block (2621) Motor slide rails is moved horizontally with a pair (263) It is slidably matched.
7.According to claim 5 Described is rotary 3D Printer, it is characterised in that described one group moves horizontally motor stator (261) For magnet.
8.According to claim 5 Described is rotary 3D Printer, it is characterised in that at described printhead platform (31) Electric mover is moved horizontally back to described (262) Side and corresponding to described printhead (3) Position be fixed with a fan (311) 。
9.According to claim 8 Described is rotary 3D Printer, it is characterised in that described fan (311) For piezo jet fan or blade fan.
10.According to claim 1 Or 5 Or 8 Described is rotary 3D Printer, it is characterised in that at described printhead (3) On be provided with electric heater (32) , and at electric heater (32) On be provided with electrically heated rod (321) And temperature sensor (322)。
CN201410674487.1A 2014-11-21 2014-11-21 Rotary 3D printer Active CN104369383B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201610522824.4A CN105984150B (en) 2014-11-21 2014-11-21 A kind of rotary 3D printer
CN201410674487.1A CN104369383B (en) 2014-11-21 2014-11-21 Rotary 3D printer

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CN106329816B (en) * 2015-07-02 2018-08-24 大银微系统股份有限公司 Linear rotation mechanism
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CN105479759B (en) * 2016-01-27 2018-04-13 徐开明 A kind of 3D printer
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CN108016030A (en) * 2017-11-10 2018-05-11 广西大学 A kind of rotary 3D printing mechanism
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CN108273997B (en) 2018-01-25 2019-05-21 广州越凡环保科技有限公司 A kind of car model process equipment
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CN105984150B (en) 2018-08-24
CN105984150A (en) 2016-10-05

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