CN108312511A - A kind of six-freedom parallel 3D printer - Google Patents

A kind of six-freedom parallel 3D printer Download PDF

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Publication number
CN108312511A
CN108312511A CN201810113579.0A CN201810113579A CN108312511A CN 108312511 A CN108312511 A CN 108312511A CN 201810113579 A CN201810113579 A CN 201810113579A CN 108312511 A CN108312511 A CN 108312511A
Authority
CN
China
Prior art keywords
printer
printing
toothed belt
upright post
channel steel
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
CN201810113579.0A
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Chinese (zh)
Inventor
李隆球
张点金
李天龙
周德开
赵隆源
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Institute of Technology
Original Assignee
Harbin Institute of Technology
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 Harbin Institute of Technology filed Critical Harbin Institute of Technology
Priority to CN201810113579.0A priority Critical patent/CN108312511A/en
Publication of CN108312511A publication Critical patent/CN108312511A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00Apparatus for additive manufacturing; Details thereof or accessories therefor

Abstract

The present invention relates to 3D printing fields, more particularly to a kind of six-freedom parallel 3D printer, including rectangle channel steel upright post, vee gutter steel base and printing machine cap, the rectangle channel steel upright post is connected to by screw and angle bar on vee gutter steel base, and the printing machine cap is connected to by screw and angle bar on rectangle channel steel upright post;The rectangle channel steel upright post, vee gutter steel base, printing machine cap constitute basic framework, and the invention also includes columns assemblies, link assembly, end movement platform and 3D printing mechanisms;The columns assemblies are fixedly connected on the inside of rectangle channel steel upright post, and columns assemblies are arranged in parallel with rectangle channel steel upright post;The columns assemblies connect link assembly;The link assembly connects end movement platform.The present invention provides a kind of rigidity big, stable structure, degree of freedom height, the alias for eliminating traditional 3D printing, printout excellent in mechanical performance, and six-freedom parallel 3D printer easy to maintain.

Description

A kind of six-freedom parallel 3D printer
Technical field
The present invention relates to 3D printing fields, and in particular to a kind of structure of 3D printer, freely more particularly to one kind six Degree 3D printer in parallel.
Background technology
Under the economic model that market economy is leading, in order to adapt to fast-changing market demands, manufacture tool is carried New requirement is gone out.It is just being rapidly progressed using increasing material manufacturing (3D printing) technology as the Flexible Manufacturing Technology of representative.Increasing In manufacture process, based on fused glass pellet (FDM) technique 3D printing technique develop it is more mature, but also such as Printing precision is not high, finished surface has apparent alias, mechanical property in particular directions is poor, is difficult to manufacture complexity Curve and curved surface the shortcomings of.And the 3D printer in parallel of six degree of freedom can significantly increase precision, and it is more due to having Degree of freedom can be manufactured with complex-curved and curve part.3D will be given to the research of six-freedom parallel 3D printer Printing industry brings new development opportunity.
Invention content
The object of the present invention is to provide a kind of six-freedom parallel 3D printers, can effectively solve existing 3D printer and deposit Printing precision is high, finished surface has that apparent alias, mechanical property in particular directions is poor, is difficult to manufacture The problems such as curve and curved surface of complexity;The present invention provides a kind of rigidity greatly, stable structure, degree of freedom are high, eliminates tradition 3D beats The alias of print, printout excellent in mechanical performance, and six-freedom parallel 3D printer easy to maintain.
The purpose of the present invention is achieved through the following technical solutions:
A kind of six-freedom parallel 3D printer, including rectangle channel steel upright post, vee gutter steel base and printing machine cap, The rectangle channel steel upright post is connected to by screw and angle bar on vee gutter steel base, the printing machine cap by screw and Angle bar is connected on rectangle channel steel upright post;The rectangle channel steel upright post, vee gutter steel base, printing machine cap constitute basic subrack Frame, a kind of six-freedom parallel 3D printer further include columns assemblies, link assembly, end movement platform and 3D printing Mechanism;The columns assemblies are fixedly connected on the inside of rectangle channel steel upright post, and columns assemblies are arranged in parallel with rectangle channel steel upright post;Institute State columns assemblies connection link assembly;The link assembly connects end movement platform;The 3D printing mechanism is arranged in end On motion platform.
The columns assemblies include driving motor, toothed belt, upper toothed belt, lower toothed belt wheel, sliding block and the linear guide; The driving motor is fixed on by motor hold-down support on vee gutter steel base;The output end of the driving motor, which is fixed, to be connected Connect lower toothed belt wheel;Pass through tooth form band connection between the lower toothed belt wheel and upper toothed belt;The upper toothed belt rotation It is connected on upper belt-wheel bearing, upper belt-wheel bearing is fixed by screws on printing machine cap;The sliding block is fixedly connected In one end of toothed belt;In the tail portion insertion the linear guide of the pedestal of the sliding block;The linear guide is fixed by screws in On rectangle channel steel upright post.
The link assembly includes connecting rod and is connected to the spherical hinge I of connecting rod two end;The spherical hinge I of described connecting rod one end is solid It is scheduled on sliding block, the spherical hinge I of the connecting rod other end is fixed on end movement platform;The connecting rod can be around connecting rod axis Rotation.
The link assembly and columns assemblies are respectively provided with six groups, and six groups of link assemblies and six groups of columns assemblies are set relatively one by one It sets;Two groups of columns assemblies are respectively set on three angles of the vee gutter steel base, and the spacing between two groups of columns assemblies is fixed.
The end movement platform is the aluminium sheet of hexagon;The middle point on mutual three not adjacent sides of end movement platform It sets and is respectively provided with two spherical hinge II, two spherical hinge II are connected with the spherical hinge I of two groups of link assembly one end respectively;The 3D Printing mechanism is arranged in the center of end movement platform.
A kind of six-freedom parallel 3D printer, further includes reel and fixed aluminium sheet, and the reel passes through two Fixed aluminium sheet is fixed on printing machine cap.
The print head part of the 3D printing mechanism is located among end movement platform, and is fixed on end movement platform On;Silk material needed for the 3D printing mechanism is stretched out at the reel on printing machine cap.
Strip shape gob there are two being opened in the middle part of the sliding block, the both ends of the toothed belt are each passed through two strip shape gobs, tooth form One section of inside for being fixedly connected on rack mouth of band, the other end clearance fit of toothed belt are connected to the interior of another strip shape gob Side.
The 3D printing mechanism uses the 3D printing mechanism based on fusion sediment technique.
The cable of six driving motors inside six groups of columns assemblies is all collected on vee gutter steel base, six Six axis motion control card of cable connection of driving motor, six axis motion control cards connect host computer.
Beneficial effects of the present invention:A kind of six-freedom parallel 3D printer of the present invention, can effectively solve existing 3D Printing precision existing for printer is not high, finished surface has apparent alias, mechanical property in particular directions is poor, The problems such as being difficult to manufacture complicated curve and curved surface;The present invention provides a kind of rigidity big, stable structure, degree of freedom height, elimination The alias of traditional 3D printing, printout excellent in mechanical performance, and six-freedom parallel 3D printer easy to maintain, tool Have wide practical use.
Description of the drawings
Fig. 1 is the general structure schematic diagram of the present invention;
Fig. 2 is the structural schematic diagram of the Slipper inside the present invention;
Fig. 3 is the partial structural diagram of the end movement platform and 3D printing mechanism inside the present invention.
In figure:Print machine cap 1;Reel 2;Fixed aluminium sheet 3;Upper toothed belt 4;The linear guide 5;Sliding block 6;Strip shape gob 6- 1;Rectangle channel steel upright post 7;Connecting rod 8;3D printing mechanism 9;End movement platform 10;Vee gutter steel base 11;Driving motor 12; Lower toothed belt wheel 13.
Specific implementation mode
It is of the invention to reach the technological means and effect that predetermined goal of the invention is taken further to illustrate, with reference to Invention is further described in detail by attached drawing 1-3.
Specific implementation mode one:
As shown in Figs. 1-3, a kind of six-freedom parallel 3D printer, including rectangle channel steel upright post 7, vee gutter steel base 11 and printing machine cap 1, the rectangle channel steel upright post 7 is connected to by screw and angle bar on vee gutter steel base 11, described Printing machine cap 1 is connected to by screw and angle bar on rectangle channel steel upright post 7;The rectangle channel steel upright post 7, triangle channel steel bottom Seat 11, printing machine cap 1 constitute basic framework, and a kind of six-freedom parallel 3D printer, further includes columns assemblies, connecting rod Component, end movement platform 10 and 3D printing mechanism 9;The columns assemblies are fixedly connected on 7 inside of rectangle channel steel upright post, column Component is arranged in parallel with rectangle channel steel upright post 7;The columns assemblies connect link assembly;The link assembly connects end movement Platform 10;The 3D printing mechanism 9 is arranged on end movement platform 10.
Specific implementation mode two:
As shown in Figs. 1-3, the columns assemblies include driving motor 12, toothed belt, upper toothed belt 4, lower toothed belt wheel 13, sliding block 6 and the linear guide 5;The driving motor 12 is fixed on by motor hold-down support on vee gutter steel base 11;Institute The output end for stating driving motor 12 is fixedly connected with lower toothed belt wheel 13;Lead between the lower toothed belt wheel 13 and upper toothed belt 4 Cross tooth form band connection;The upper toothed belt 4, which is rotatably assorted, to be connected on upper belt-wheel bearing, and upper belt-wheel bearing is fixed by screw On printing machine cap 1;The sliding block 6 is fixedly connected on one end of toothed belt;The tail portion of the pedestal of the sliding block 6 is embedded in straight line In guide rail 5;The linear guide 5 is fixed by screws on rectangle channel steel upright post 7.The driving motor 12 is connected to power supply and leads to After crossing control switch unlatching, driving motor 12 is by upper toothed belt 4, lower toothed belt wheel 13 and toothed belt, driving motor 12 The linear motion for being converted to sliding block 6;The sliding block 6 and one end of toothed belt are fixed together, and make sliding block 6 with tooth form The movement of band and move, and sliding block 6 pedestal be embedded in the linear guide 5, so that sliding block 6 is can guarantee the linearity slided up and down.
Specific implementation mode three:
As shown in Figs. 1-3, the link assembly includes connecting rod 8 and is connected to the spherical hinge I at 8 both ends of connecting rod;The connecting rod 8 The spherical hinge I of one end is fixed on sliding block 6, and the spherical hinge I of 8 other end of the connecting rod is fixed on end movement platform 10;Institute Stating connecting rod 8 can rotate around 8 axis of connecting rod.
Specific implementation mode four:
As shown in Figs. 1-3, the link assembly and columns assemblies are respectively provided with six groups, six groups of link assemblies and six groups of column groups Part is oppositely arranged one by one;Two groups of columns assemblies, two groups of columns assemblies are respectively set on three angles of the vee gutter steel base 11 Between spacing fix.It is respectively provided with a driving motor 12 in six groups of columns assemblies, ensures appointing for end movement platform 10 The displacement that a kind of what posture and position correspond to sliding block 6 is all unique group solution.
Specific implementation mode five:
As shown in Figs. 1-3, the end movement platform 10 is the aluminium sheet of hexagon, and aluminium sheet has certain thickness;End The point midway on mutual three not adjacent sides of motion platform 10 is respectively provided with two spherical hinges II, two spherical hinge II respectively with two The spherical hinge I of group link assembly one end is connected;The 3D printing mechanism 9 is arranged in the center of end movement platform 10. The set-up mode of this spherical hinge II of end movement platform 10 ensure that the unique of six-freedom parallel 3D printer movement Property.
Specific implementation mode six:
As shown in Figs. 1-3, a kind of six-freedom parallel 3D printer further includes reel 2 and fixed aluminium sheet 3, institute Reel 2 is stated to be fixed on printing machine cap 1 by two fixed aluminium sheets 3.During carrying out 3D printing, 3D printing mechanism 9 Required silk material is stretched out at the reel 2 on printing machine cap 1.
Specific implementation mode seven:
As shown in Figs. 1-3, the print head part of the 3D printing mechanism 9 is located among end movement platform 10, and fixed On end movement platform 10;Silk material needed for the 3D printing mechanism 9 is stretched out at the reel 2 on printing machine cap 1.
Specific implementation mode eight:
As shown in Figs. 1-3, the middle part of the sliding block 6 is opened there are two strip shape gob 6-1, and the both ends of the toothed belt are each passed through Two strip shape gob 6-1, one section of inside for being fixedly connected on rack mouth of toothed belt, the other end clearance fit of toothed belt are connected to The inside of another strip shape gob 6-1 to realize that sliding block 6 is moved with the movement of toothed belt, and ensures to transport by the linear guide 5 Dynamic linearity.
The 3D printing mechanism 9 uses the 3D printing mechanism based on fusion sediment technique.
The cable of six driving motors 12 inside six groups of columns assemblies is all collected on vee gutter steel base 11, Six axis motion control card of cable connection of six driving motors 12, six axis motion control cards connect host computer, ensure energy of the present invention Corresponding action is completed according to program instruction.
Certainly, above description is not limitation of the present invention, and the present invention is also not limited to the example above, the art The variations, modifications, additions or substitutions that those of ordinary skill is made in the essential scope of the present invention also belong to the guarantor of the present invention Protect range.

Claims (10)

1. a kind of six-freedom parallel 3D printer, including rectangle channel steel upright post (7), vee gutter steel base (11) and printer Head cover (1), the rectangle channel steel upright post (7) are connected to by screw and angle bar on vee gutter steel base (11), the printing Machine cap (1) is connected to by screw and angle bar on rectangle channel steel upright post (7);The rectangle channel steel upright post (7), triangle channel steel Pedestal (11), printing machine cap (1) constitute basic framework, it is characterised in that:Further include columns assemblies, link assembly, end fortune Moving platform (10) and 3D printing mechanism (9);The columns assemblies are fixedly connected on the inside of rectangle channel steel upright post (7), columns assemblies It is arranged in parallel with rectangle channel steel upright post (7);The columns assemblies connect link assembly;The link assembly connection end movement is flat Platform (10);The 3D printing mechanism (9) is arranged on end movement platform (10).
2. a kind of six-freedom parallel 3D printer according to claim 1, it is characterised in that:The columns assemblies include Driving motor (12), toothed belt, upper toothed belt (4), lower toothed belt wheel (13), sliding block (6) and the linear guide (5);The drive Dynamic motor (12) is fixed on by motor hold-down support on vee gutter steel base (11);The output end of the driving motor (12) It is fixedly connected with lower toothed belt wheel (13);Pass through tooth form band connection between the lower toothed belt wheel (13) and upper toothed belt (4);Institute It states toothed belt (4) and is rotatably assorted and be connected on upper belt-wheel bearing, upper belt-wheel bearing is fixed by screws in printing machine cap (1) on;The sliding block (6) is fixedly connected on one end of toothed belt;The tail portion of the pedestal of the sliding block (6) is embedded in the linear guide (5) in;The linear guide (5) is fixed by screws on rectangle channel steel upright post (7).
3. a kind of six-freedom parallel 3D printer according to claim 2, it is characterised in that:The link assembly includes Connecting rod (8) and the spherical hinge I for being connected to connecting rod (8) both ends;The spherical hinge I of described connecting rod (8) one end is fixed on sliding block (6), The spherical hinge I of connecting rod (8) other end is fixed on end movement platform (10);The connecting rod (8) can be around connecting rod (8) axis Line rotates.
4. a kind of six-freedom parallel 3D printer according to claim 3, it is characterised in that:The link assembly and vertical Column assembly is respectively provided with six groups, and six groups of link assemblies and six groups of columns assemblies are oppositely arranged one by one;The vee gutter steel base (11) two groups of columns assemblies are respectively set on three angles, and the spacing between two groups of columns assemblies is fixed.
5. a kind of six-freedom parallel 3D printer according to claim 4, it is characterised in that:The end movement platform (10) it is the aluminium sheet of hexagon;The point midway on mutual three not adjacent sides of end movement platform (10) is respectively provided with two flexural pivots Chain II, two spherical hinge II are connected with the spherical hinge I of two groups of link assembly one end respectively;3D printing mechanism (9) setting Center in end movement platform (10).
Further include reel (2) and fixed aluminium sheet (3) 6. a kind of six-freedom parallel 3D printer according to claim 5, It is characterized in that:The reel (2) is fixed on by two fixed aluminium sheets (3) on printing machine cap (1).
7. a kind of six-freedom parallel 3D printer according to claim 6, it is characterised in that:The 3D printing mechanism (9) print head part is located among end movement platform (10), and is fixed on end movement platform (10);The 3D printing Silk material needed for mechanism (9) is stretched out at the reel (2) on printing machine cap (1).
8. a kind of six-freedom parallel 3D printer according to claim 2, it is characterised in that:In the sliding block (6) Portion is opened there are two strip shape gob (6-1), and the both ends of the toothed belt are each passed through two strip shape gobs (6-1), and one section of toothed belt is solid Surely it is connected to the inside of rack mouth, the other end clearance fit of toothed belt is connected to the inside of another strip shape gob (6-1).
9. a kind of six-freedom parallel 3D printer according to claim 7, it is characterised in that:The 3D printing mechanism (9) the 3D printing mechanism based on fusion sediment technique is used.
10. a kind of six-freedom parallel 3D printer according to claim 4, it is characterised in that:Six groups of column groups The cable of six driving motors (12) inside part is all collected on vee gutter steel base (11), six driving motors (12) Six axis motion control card of cable connection, six axis motion control cards connect host computer.
CN201810113579.0A 2018-02-05 2018-02-05 A kind of six-freedom parallel 3D printer Pending CN108312511A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810113579.0A CN108312511A (en) 2018-02-05 2018-02-05 A kind of six-freedom parallel 3D printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810113579.0A CN108312511A (en) 2018-02-05 2018-02-05 A kind of six-freedom parallel 3D printer

Publications (1)

Publication Number Publication Date
CN108312511A true CN108312511A (en) 2018-07-24

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ID=62902893

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CN201810113579.0A Pending CN108312511A (en) 2018-02-05 2018-02-05 A kind of six-freedom parallel 3D printer

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204844871U (en) * 2015-07-06 2015-12-09 渭南高新区火炬科技发展有限责任公司 3D printing mechanism
CN205310838U (en) * 2015-12-28 2016-06-15 清华大学 3D (three -dimensional) printer
CN205573038U (en) * 2016-04-25 2016-09-14 武汉理工大学 6 -degree of freedom parallel arm 3D printer
CN206263947U (en) * 2016-12-12 2017-06-20 哈尔滨工业大学 Six-DOF robot parallel-connection structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204844871U (en) * 2015-07-06 2015-12-09 渭南高新区火炬科技发展有限责任公司 3D printing mechanism
CN205310838U (en) * 2015-12-28 2016-06-15 清华大学 3D (three -dimensional) printer
CN205573038U (en) * 2016-04-25 2016-09-14 武汉理工大学 6 -degree of freedom parallel arm 3D printer
CN206263947U (en) * 2016-12-12 2017-06-20 哈尔滨工业大学 Six-DOF robot parallel-connection structure

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Application publication date: 20180724

RJ01 Rejection of invention patent application after publication