CN106042395A - Bidirectional transmission device for 3D printing head - Google Patents
Bidirectional transmission device for 3D printing head Download PDFInfo
- Publication number
- CN106042395A CN106042395A CN201610607538.8A CN201610607538A CN106042395A CN 106042395 A CN106042395 A CN 106042395A CN 201610607538 A CN201610607538 A CN 201610607538A CN 106042395 A CN106042395 A CN 106042395A
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- motor
- support shaft
- printhead
- pair
- driving belt
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Classifications
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- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Character Spaces And Line Spaces In Printers (AREA)
- Ink Jet (AREA)
Abstract
The invention discloses a bidirectional transmission device for a 3D printing head. The bidirectional transmission device comprises an X-direction transmission assembly and a Y-direction transmission assembly. The Y-direction transmission assembly comprises a pair of Y-direction supporting shafts, an X motor base, a Y-direction sliding base, a pair of Y-direction transmission shafts and a Y-direction stepping motor. The pair of Y-direction supporting shafts are parallel to each other. The X motor base is arranged on one of the Y-direction supporting shafts, and the Y-direction sliding base is arranged on the other Y-direction supporting shaft. The pair of Y-direction transmission shafts are parallel to each other, and one ends of the Y-direction transmission shafts are connected through a driving belt. The driving belt is driven by the Y-direction stepping motor. The other ends of the pair of Y-direction transmission shafts are connected through a driven belt. The X motor base is fixedly connected with the driven belt. The Y-direction sliding base is fixedly connected with the driving belt. The two ends of the X-direction transmission assembly are fixed to the X motor base and the Y-direction sliding base correspondingly. The 3D printing head is movably arranged on the X-direction transmission assembly. The bidirectional transmission device for the 3D printing head is simple in structure, steady and accurate to operate, small in occupied space and capable of making the printing size of a complete machine at the same size be larger.
Description
Technical field
The present invention relates to 3D and print field, particularly relate to the bidirectional transmission device of a kind of 3D printhead.
Background technology
It is a kind of rapid shaping technique that 3D prints, generally use can jointing material, construct by the way of successively printing
The technology of object.Wherein melt extrude molding (FDM) and be used mostly ABS, PLA etc. as consumptive material with thread feed.Consumptive material is in spray
Heated fusing in head.Shower nozzle is along part section profile and fills orbiting motion, and simultaneously by the material extrusion of fusing, material is rapid
Solidification, and bond with the material of surrounding.Each synusia is to pile up to form on last layer, and current layer is played fixed by last layer
Position and the effect supported.It is then by respectively laying a step-by-step movement stepping in tri-dimensions of XYZ in terms of 3D printer structure
Motor, by the layered position of mathematical model, computer software determines that each needs the point printed, carrys out corresponding 3 steppings of control
The Collaboration of motor, it is achieved thereby that the three-dimensional contouring on three-dimensional.
But, it being traditionally used for transmitting the actuating device of FDM3D printhead, its operation is unstable, it is impossible to accurately control to beat
The displacement of print head, affects printing precision, and then affects product quality；Meanwhile, existing transmission structures is complicated, manufacturing cost
Higher, take up room relatively big, make the complete machine of equal volume print small volume.
Summary of the invention
Based on this, for the problems referred to above, the present invention proposes the bidirectional transmission device of a kind of 3D printhead, its simple in construction,
Operate steadily precisely, take up room little, make the complete machine of equal volume print volume bigger.
For reaching above-mentioned purpose, the technical scheme is that the bidirectional transmission device of a kind of 3D printhead, including X to
Transmission component and Y-direction transmission component；Described Y-direction transmission component include a pair Y-direction support shaft, X-motor seat, Y-direction sliding seat, one
To Y-direction power transmission shaft and Y-direction motor；A pair described Y-direction support shaft is parallel to each other, and described X-motor seat passes through linear axis
Holding and be disposed therein in a Y-direction support shaft, described Y-direction sliding seat is arranged at another Y-direction support shaft by linear bearing
On；A pair described Y-direction power transmission shaft is parallel to each other and intersects vertically with a pair Y-direction support shaft respectively；The one of a pair Y-direction power transmission shaft
End is connected by drive pulley, and drive pulley is passed through driven skin by Y-direction step motor drive, the other end of a pair Y-direction power transmission shaft
Band connects；Described X-motor seat is fixing with follower belt to be connected, and described Y-direction sliding seat is fixing with drive pulley to be connected；Described
X is fixed on X-motor seat to one end of transmission component, and the other end is fixed on Y-direction sliding seat, and 3D printhead is movably set in X
On transmission component.
In above-mentioned Y-direction transmission component, X-motor seat and Y-direction sliding seat respectively can be in the Y-directions of regulation by linear bearing
On slide accurately along Y-direction support shaft.A pair Y-direction support shaft is all the rustless steel smooth shaft of a diameter of 8MM, and it is by high-precision
Degree CNC part is fixed accurately, thus greatly reducing printhead vibrations in the X direction.Y-direction motor is tied for entirety
Structure size and the consideration of aesthetic, when being arranged in complete machine, be designed in the concealed space on base.By accurately controlling Y
To the rotation of motor, the motion of motor drives drive pulley to rotate, and Y-direction sliding seat is followed drive pulley and propped up along Y-direction together
Support axle motion, drive pulley drives Y-direction drive axis, and Y-direction power transmission shaft drives follower belt motion, and X-motor seat is followed driven
Belt moves along Y-direction support shaft together, thus is accurately controlled X-motor seat and the motion in the Y direction of Y-direction sliding seat.
In the present invention, it is preferable that to transmission component, described X includes that X is electric to stepping to driving belt, the two-way bearing of XY, X
Machine and be perpendicular to the X of Y-direction support shaft to support shaft；Described X is fixed on described X-motor seat to one end of support shaft, and X is to propping up
The other end of support axle is fixed on described Y-direction sliding seat；Described Y-direction sliding seat is provided with groove, and the two-way bearing holder (housing, cover) of XY is at Y
In support shaft and be positioned on described groove, and Y-direction sliding seat and be additionally provided with catch by two-way for XY bearing guard in groove；Institute
The X stated is fixed on X-motor seat to motor, and X passes through X to biography to the output shaft of motor and the two-way bearing of described XY
Dynamic belt connects, and X is parallel to support shaft with X to driving belt；Described 3D printhead is arranged at X to propping up by linear bearing
On support axle, and printhead and X fix to driving belt and are connected.
Above-mentioned X in transmission component, the two-way bearing of XY be a segment length be the linear bearing of 17mm, be limited in Y-direction sliding
In the groove of dynamic seat, Y-direction sliding seat can be followed and slide in the Y direction along Y-direction support shaft, simultaneously can be around Y-direction support shaft
Rotate in the X direction；X is the rustless steel smooth shaft of a diameter of 8mm to support shaft and is provided with two, and two X are to support shaft
Two ends are individually fixed on X-motor seat and Y-direction sliding seat, thus greatly reducing printhead Y-direction in use
On vibrations；Printhead can be slided along X to support shaft by linear bearing in the X-direction of regulation accurately, and X is to transmission
Belt is racetrack, and when X drives X to move to driving belt to motor, printhead follows X to driving belt together along X
To motion.
Further, described X is provided with X on the output shaft of motor and takes turns to synchronization, and described X is to the two of driving belt
End is respectively fitted over X and takes turns and on the described two-way bearing of XY to synchronization, and X is toothed adhesive tape to driving belt, and X is to driving belt
With X ratcheting transmission between Tong Bu wheel.
By accurately controlling the X rotation to motor, the moving through of motor accurately control X to synchronize the rotation of wheel from
And drive the X motion in X direction to driving belt, thus drive printhead pass through linear bearing can regulation X-direction on
Slide accurately along X to support shaft；X, to driving belt and X ratcheting transmission between Tong Bu wheel, can reduce driving error.
In a preferred embodiment, described X-motor seat is provided with X to limit switch and Y-direction limit switch, described X
Arrange towards 3D printhead to limit switch.
The effect of Y-direction limit switch determines that printhead initial position Y in the Y direction0, when whole Y-direction transmission component
Move to Y0During position, Y-direction limit switch can just touch the edge of a fixing seat, so that it is determined that the Y of printheadOValue；X
Printhead initial position X in the X direction is determined that to the effect of limit switch0, process that printhead moves in the X direction
In, when near X-motor seat, once touch X to limit switch, just can determine that the X of whole printhead0Value.Pass through XO、Y0This
The initial value of sample, just can accurately control printhead and work in predetermined region.
The invention has the beneficial effects as follows: print cephalomotor whole process steady, little by external vibration effects, can accurately control
The displacement of printhead processed, printing precision is higher, and all of critical component all uses CNC technology polish to form, thus will beat
Print precision brings up to 100 micron levels；Simple in construction, manufacturing cost is relatively low, compact to design, and the space taken is little, can meet whole
The small form factor requirements of machine, enables the complete machine of same size to reach bigger printing volume.
Accompanying drawing explanation
Fig. 1 is the structural representation of the bidirectional transmission device of 3D printhead in embodiment；
Fig. 2 be in Fig. 1 X to the structural representation of transmission component；
Fig. 3 is the structural representation of X-motor seat in Fig. 2；
Description of reference numerals:
110-X motor cabinet, 111-X to synchronize wheel, 112-Y to driving belt fixed screw, 113-X to motor,
114-Y is to limit switch, and 115-X is to limit switch, and 120-Y is to support shaft, and 130-Y is to power transmission shaft, 140-drive pulley, 141-
Follower belt, 150-Y is to sliding seat, and the two-way bearing of 151-XY, 160-Y prints to support shaft, 180-to motor, 170-X
Head.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the invention are described in detail.
Embodiment 1
With reference to Fig. 1 and Fig. 2, the bidirectional transmission device of a kind of 3D printhead, including X to transmission component and Y-direction transmission component；
Described Y-direction transmission component includes a pair Y-direction support shaft 120, X-motor seat 110, Y-direction sliding seat 150, a pair Y-direction power transmission shaft
130 and Y-direction motor 160；A pair described Y-direction support shaft 120 is parallel to each other, and described X-motor seat 110 passes through linear axis
Holding and be disposed therein in a Y-direction support shaft 120, described Y-direction sliding seat 150 is arranged at another Y-direction by linear bearing
In support shaft 120；A pair described Y-direction power transmission shaft 130 is parallel to each other and intersects vertically with a pair Y-direction support shaft 120 respectively；One
Being connected one end of Y-direction power transmission shaft 130 by drive pulley 140, drive pulley 140 is driven by Y-direction motor 160, a pair Y
Connected by follower belt 141 to the other end of power transmission shaft 130；Described X-motor seat 110 is passed by Y-direction with follower belt 141
Dynamic belt fixed screw 112 is fixing to be connected, and described Y-direction sliding seat 150 is fixing with drive pulley 140 to be connected；Described X is to transmission
One end of assembly is fixed on X-motor seat 110, and the other end is fixed on Y-direction sliding seat 150, and printhead 180 is movably set in X
On transmission component.
In above-mentioned Y-direction transmission component, X-motor seat 110 and Y-direction sliding seat 150 respectively can be in regulations by linear bearing
Y-direction on slide accurately along Y-direction support shaft 120.A pair Y-direction support shaft 120 is all that the rustless steel of a diameter of 8MM is smooth
Bar, it is accurately fixed by High Precision CNC part, thus be greatly reducing in complete machine X-direction in use
Vibrations.Y-direction motor 160, for overall structure size and the consideration of aesthetic, when being arranged in complete machine, is designed into base
On concealed space in.By accurately controlling the rotation of Y-direction motor 160, the motion of motor drives drive pulley 140 turns
Dynamic, Y-direction sliding seat moves along Y-direction support shaft 120 with drive pulley 140 with 150, and drive pulley 140 drives Y-direction power transmission shaft
130 rotate, and Y-direction power transmission shaft 130 drives follower belt 141 to move, and X-motor seat 110 is followed follower belt 141 and propped up along Y-direction together
Support axle 120 moves, thus is accurately controlled X-motor seat 110 and Y-direction sliding seat 150 motion in the Y direction.
Embodiment 2
Referring to figs. 2 and 3, the present embodiment is on the basis of embodiment 1:
Described X to transmission component include X to driving belt 190, the two-way bearing of XY 151, X to motor 113 and hang down
The straight X in Y-direction support shaft 120 is to support shaft 170；Described X is fixed on described X-motor seat 110 to one end of support shaft 170
On, X is fixed on described Y-direction sliding seat 150 to the other end of support shaft 170；Described Y-direction sliding seat 150 is provided with recessed
Groove, the two-way bearing of XY 151 is enclosed within Y-direction support shaft 120 and is positioned on described groove, and Y-direction sliding seat 150 and is additionally provided with gear
Sheet by 151 grades of two-way for XY bearing in groove；Described X is fixed on X-motor seat 110 to motor 113, and X is to stepping electricity
The output shaft of machine 113 bearing two-way with described XY 151 is connected to driving belt 190 by X, and X is to driving belt 190 and X
Parallel to support shaft 170；Described printhead 180 is arranged at X in support shaft 170 by linear bearing, and printhead 180 with
X is to the fixing connection of driving belt 190.
Above-mentioned X in transmission component, the two-way bearing of XY 151 be a segment length be the linear bearing of 17mm, be limited in Y-direction
In the groove of sliding seat 150, the two-way bearing of XY 151 can follow Y-direction sliding seat 150 along Y-direction support shaft 120 in the Y direction
Slide, can rotate in the X direction around Y-direction support shaft 120 simultaneously；X is that the rustless steel of a diameter of 8mm is smooth to support shaft 170
Bar is also provided with two, and two X are individually fixed on X-motor seat 110 and Y-direction sliding seat 150 to the two ends of support shaft 170, from
And greatly reducing the vibrations in complete machine Y-direction in use；Printhead 180 can be in regulation by linear bearing
X-direction on slide accurately along X to support shaft 170, X is racetrack to driving belt 190, when X carries to motor 113
Dynamic X when driving belt 190 moves, printhead 180 follow X to driving belt 190 together along X to moving.
Embodiment 3
The present embodiment is on the basis of embodiment 2:
Described X be provided with on the output shaft of motor 113 X to synchronize wheel 111, described X is to the two of driving belt 190
End is respectively fitted over X and takes turns on 111 and described XY two-way bearings 151 to synchronization, and X is toothed adhesive tape to driving belt 190, X
To driving belt 190 and X ratcheting transmission between Tong Bu wheel 111.By accurately controlling the X rotation to motor 113, motor
Motion accurately control X to synchronizing the rotation of wheel 111, thus drive X to move in X direction to driving belt 190, and then drive and beat
Print 180 can be slided along X to support shaft 170 by linear bearing in the X-direction of regulation accurately；X is to driving belt
190 take turns ratcheting transmission between 111 with X to Tong Bu, can reduce driving error.
Embodiment 4
The present embodiment is on the basis of embodiment 3:
Described X-motor seat 110 is provided with X and opens to spacing to limit switch 115 and Y-direction limit switch 114, described X
Close 115 to arrange towards printhead 180.The effect of Y-direction limit switch 114 determines that printhead 180 initial position in the Y direction
Y0, when whole Y-direction transmission component moves to Y0During position, Y-direction limit switch 114 can just touch the edge of a fixing seat,
So that it is determined that the Y of printhead 180OValue；X determines that printhead 180 initial bit in the X direction to the effect of limit switch 115
Put X0, during printhead 180 moves in the X direction, when near X-motor seat 110, once touch X to limit switch
115, just can determine that the X of whole printhead 1800Value.Pass through XO、Y0Such initial value, just can accurately control printhead 180 and exist
Work in predetermined region.
Embodiment described above only have expressed the detailed description of the invention of the present invention, and it describes more concrete and detailed, but also
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that, for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the guarantor of the present invention
Protect scope.
Claims (4)
1. the bidirectional transmission device of a 3D printhead, it is characterised in that: include that X is to transmission component and Y-direction transmission component；Described
Y-direction transmission component include a pair Y-direction support shaft, X-motor seat, Y-direction sliding seat, a pair Y-direction power transmission shaft and Y-direction motor；
A pair described Y-direction support shaft is parallel to each other, and described X-motor seat is disposed therein a Y-direction support shaft by linear bearing
On, described Y-direction sliding seat is arranged in another Y-direction support shaft by linear bearing；A pair described Y-direction power transmission shaft is mutual
Parallel and intersect vertically with a pair Y-direction support shaft respectively；One end of a pair Y-direction power transmission shaft is connected by drive pulley, actively skin
Band is driven by driving motor, and the other end of a pair Y-direction power transmission shaft is connected by follower belt；Described X-motor seat and driven skin
Band is fixing to be connected, and described Y-direction sliding seat is fixing with drive pulley to be connected；Described X is fixed on X-motor to one end of transmission component
On seat, the other end is fixed on Y-direction sliding seat, and 3D printhead is movably set in X on transmission component.
The bidirectional transmission device of 3D printhead the most according to claim 1, it is characterised in that: described X is to transmission component
Including X to driving belt, the two-way bearing of XY, X is to motor and is perpendicular to the X of Y-direction support shaft to support shaft；Described X is to propping up
One end of support axle is fixed on described X-motor seat, and X is fixed on described Y-direction sliding seat to the other end of support shaft；Described
Y-direction sliding seat be provided with groove, the two-way bearing holder (housing, cover) of XY is in Y-direction support shaft and is positioned at described groove, and Y-direction sliding seat
On be additionally provided with catch by two-way for XY bearing guard in groove；Described X is fixed on X-motor seat to motor, and X is to stepping electricity
The output shaft of machine bearing two-way with described XY is connected to driving belt by X, and X is parallel to support shaft with X to driving belt；
Described 3D printhead is arranged at X in support shaft by linear bearing, and printhead and X are connected to driving belt is fixing.
The bidirectional transmission device of 3D printhead the most according to claim 2, it is characterised in that: described X is to motor
Being provided with X on output shaft to take turns to synchronization, it is two-way with described XY to synchronizing wheel that described X is respectively fitted over X to the two ends of driving belt
On bearing, and X is toothed adhesive tape to driving belt, and X is to driving belt and X ratcheting transmission between Tong Bu wheel.
4. according to the bidirectional transmission device of the arbitrary described 3D printhead of claim 1-3, it is characterised in that: described X-motor
Seat is provided with X and arranges towards 3D printhead to limit switch to limit switch and Y-direction limit switch, described X.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610607538.8A CN106042395A (en) | 2016-07-29 | 2016-07-29 | Bidirectional transmission device for 3D printing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610607538.8A CN106042395A (en) | 2016-07-29 | 2016-07-29 | Bidirectional transmission device for 3D printing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106042395A true CN106042395A (en) | 2016-10-26 |
Family
ID=57196571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610607538.8A Pending CN106042395A (en) | 2016-07-29 | 2016-07-29 | Bidirectional transmission device for 3D printing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106042395A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106516055A (en) * | 2016-10-27 | 2017-03-22 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Feedback self-check type underwater glider posture adjustment device and control method |
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| CN203752536U (en) * | 2014-03-19 | 2014-08-06 | 中国科学技术大学 | High-precision printing motion device for three-dimensional (3D) printer |
| CN203851376U (en) * | 2014-05-29 | 2014-09-24 | 杭州登新科技有限公司 | Chip-mounting head unidirectional synchronous driving device |
| CN204054680U (en) * | 2014-09-12 | 2014-12-31 | 常州华森三维打印研究院有限公司 | A kind of printhead translational drive mechanism of 3D printer |
| JP2015193123A (en) * | 2014-03-31 | 2015-11-05 | ヒーハイスト精工株式会社 | Printer for forming three-dimensional shaped object |
| CN206186371U (en) * | 2016-07-29 | 2017-05-24 | 深圳市加维科技有限公司 | 3D beats printer head's bidirectional transmission device |
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2016
- 2016-07-29 CN CN201610607538.8A patent/CN106042395A/en active Pending
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| CN203752536U (en) * | 2014-03-19 | 2014-08-06 | 中国科学技术大学 | High-precision printing motion device for three-dimensional (3D) printer |
| JP2015193123A (en) * | 2014-03-31 | 2015-11-05 | ヒーハイスト精工株式会社 | Printer for forming three-dimensional shaped object |
| CN203851376U (en) * | 2014-05-29 | 2014-09-24 | 杭州登新科技有限公司 | Chip-mounting head unidirectional synchronous driving device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106516055A (en) * | 2016-10-27 | 2017-03-22 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Feedback self-check type underwater glider posture adjustment device and control method |
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Application publication date: 20161026 |