CN108973109A - The rotatable 3D printing device of workbench and control method - Google Patents
The rotatable 3D printing device of workbench and control method Download PDFInfo
- Publication number
- CN108973109A CN108973109A CN201710406307.5A CN201710406307A CN108973109A CN 108973109 A CN108973109 A CN 108973109A CN 201710406307 A CN201710406307 A CN 201710406307A CN 108973109 A CN108973109 A CN 108973109A
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- Prior art keywords
- workbench
- support
- rotatable
- printing device
- support arm
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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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- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
Abstract
The invention discloses a kind of 3D printing devices that workbench is rotatable, including, be translatable mobile mechanism, to carry extruder head and drive the extruder head translation；Rotary table is driven flexible support arm and working plate including three, and the support arm is uniformly distributed and is rotatably connected with one end and working plate, the other end and the swingable connection of support plate.Workbench of the invention can carry out ± 45 degree of rotations.Motion conditions by controlling motor meet the various positions requirement of extruder head, realize the printing function of Arbitrary 3 D three-dimensional model, the problem of transitional region of very good solution and cantilever design, reduce the use of backing material, avoid the waste of material, print space is increased, the quality and efficiency of product printing are improved.
Description
Technical field
The present invention relates to 3D printing engineering device technique field, more particularly to a kind of 3D printing device that workbench is rotatable and
Control method.
Background technique
3D printing technique is based on digital model file, with dusty material or filamentary material or liquid material
Material constructs the technology of three-dimension object by adhesive solidification.Fusion sediment (FDM), Stereolithography can be divided by molding mode
(SLA), selective laser sintering (SLS), layer separated growth (LOM) etc..
Fusion sediment technology (FDM) is one kind of 3D printing technique.Now, popular fusion sediment formula 3D on the market
Printer generally uses sliding rail or toothed belt transmission mainly based on three axis, and motion mode can be summarized as two classes: the first kind is
X-axis and the compound extruder head with printer of Y-axis move, and workbench does the self-movement of Z axis；Second class is that X-axis and Y-axis are compound
With the movement of workbench, and printer extruder head does the self-movement of Z axis.The extruder head of first kind printer is in X-Y plane
It is printed, when printing wedge angle or the very big curved surface of the gradient, it may appear that the case where silk distorts；Second class printer is being beaten
When printing the molded part of size of the same race, required space is maximum, meanwhile, workbench quality is big, is unfavorable for print speed
Raising.Present 3D printer needs a large amount of because of the limitation of three axis when printing has the model of cantilever or overhung construction
Support construction as auxiliary, reduce printing effect, improve printing cost, while increasing post-processing difficulty.In addition, multiple
Condensation material printing by be 3D printing development important trend.But due to the limitation of current printer structure, inevitably go out
Existing alias.
106113512 A of Chinese patent CN discloses a kind of five-axle linkage 3D printing platform comprising platform rack etc.,
The left side of platform rack is equipped with first leader fixed and second is leader fixed, and the second leader fixed first guide rod that is located at is consolidated
The rear of reservation, the first Y-axis guide rod, the second Y-axis guide rod pass through respectively first leader fixed, the second leader fixed fixation and
First Y-axis guide rod is parallel with the second Y-axis guide rod, and y-axis motor is between the first Y-axis guide rod and the second Y-axis guide rod and close to flat
The left side of platform bracket, y-axis motor are equipped with Y-axis belt, and support plate is located at the top of the first Y-axis guide rod and the second Y-axis guide rod, put down
Platform shell is located at the top of support plate.
It can be that type-script does rotary motion although it increases two A, C rotational freedoms on the basis of X, Y, Z axis,
The printing flexibility of 3D printer is increased to a certain extent, it can be with the model of finished surface complexity；But each movement is relatively
Independent control increases the complexity of control.
Summary of the invention
In view of the technical drawbacks of the prior art, it is an object of the present invention to provide a kind of 3D that workbench is rotatable
Printing equipment.
The technical solution adopted to achieve the purpose of the present invention is:
A kind of 3D printing device that workbench is rotatable, including,
Be translatable mobile mechanism, to carry extruder head and drive the extruder head translation；
Rotary table, flexible support arm and working plate are driven including three, and the support arm is uniformly distributed
And it is rotatably connected with one end and working plate, the other end and the swingable connection of support plate.
Further include pedestal, the translation mobile mechanism is fixed at the top of pedestal, the support plate of the rotary table with
The pedestal bottom is fixedly connected.
The translation mobile mechanism includes,
X is to driving portion comprising the X of pedestal two sides is arranged in guide rod, guide X is respectively slidably arranged in
Two X on bar are to carrying block, and the driving X is to the X for carrying block and being moved to guide rod along X to driving motor,
Y-direction driving portion comprising the Y-direction guide rod that both ends are fixedly connected with the X to load block is slidably disposed on institute
The Y-direction carrier stated, and the Y-direction driving motor that Y-direction carrier described in driving is moved along Y-direction guide rod, the extruder head setting
On the Y-direction carrier.
The support arm includes the support rod being connect with the support plate by shaft, with the fixed company of the support rod
The line slide rail connect, the lead screw electricity for being fixedly connected with the support rod and feed screw nut being driven to move along the line slide rail
The connecting rod that machine and one end are fixedly connected with one end with the feed screw nut and the working plate is rotatably connected.
The connecting rod is rotatably connected by oscillating bearing and the working plate.
The connecting rod is hollow tube, and the lead screw of the spindle motor can matchingly be inserted into the connection and free
Rotation.
The support arm includes the support rod being connect with the support plate by shaft, with the fixed company of the support rod
The line slide rail connect, the telescope motor for being fixedly connected with the support rod and sliding block being driven to move along the line slide rail,
And the connecting rod that one end is fixedly connected with one end with the sliding block and the working plate is rotatably connected.
A kind of control method for the 3D printing device that workbench is rotatable, including,
X either synchronously or asynchronously drives extruder head X to be translatable to Y-direction respectively to driving motor and Y-direction driving motor,
The translation of three support arm synchronization telescope driving working plate Z-directions,
One of support arm elongates or shortens in three support arms, other two support arm is synchronous to shorten or extend realization
It is rotated around X-axis or Y-axis.
The compound motion being translatable around X-axis or Y-axis rotation with Z axis.
Compared with prior art, the beneficial effects of the present invention are:
Revolution workbench of the invention can carry out ± 45 degree of rotations.Motion conditions by controlling motor, which meet, to be squeezed out
The various positions requirement of head, realize the printing function of Arbitrary 3 D three-dimensional model, the transitional region of very good solution and outstanding
The problem of arm configuration, reduces the use of backing material, avoids the waste of material, increases print space, improves product
The quality and efficiency of printing.
Detailed description of the invention
Fig. 1 show the oblique view of structural diagram of the rotatable 3D printing device of workbench of the invention.
Fig. 2 show 3D printing device left view structural representation shown in FIG. 1；
Fig. 3 show 3D printing device schematic view of the front view shown in FIG. 1；
Fig. 4 show the cross section structure schematic diagram of 3D printing device shown in Fig. 2；
Fig. 5 show overlooking structure diagram shown in FIG. 1.
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that described herein
Specific embodiment be only used to explain the present invention, be not intended to limit the present invention.
As shown in Figs. 1-5, the rotatable 3D printing device of workbench of the invention, including,
Be translatable mobile mechanism 1, to carry extruder head and the extruder head 3 is driven to be translatable；Such as the translation of X-axis and Y-axis,
Rotary table 2, flexible support arm 21 and working plate 20 are driven including three, and the support arm is uniform
It is distributed and is rotatably connected with one end and working plate, the other end and the swingable connection of support plate 22, that is, three along working plate
Circumferential 120 degree of uniformly distributed support arms move synchronously the translation for realizing working plate, as Z axis is mobile；It is moved when three support arm differences
Realize the rotation of working plate.Such as around the overturning of X-axis and Y-axis.
The present invention by 5 axis Kinematic Decompositions of 3D printing be extruder head translation planar and the lifting of working plate and
The movement overturn around X-axis and Y, may be implemented to rotate around X-axis and Y-axis ± 45 degree.Movement by controlling motor can meet work
The various positions requirement of platform, realize the printing of Arbitrary 3 D three-dimensional model, very good solution alias and cantilever design
The problem of, reduce the use of backing material, while can realize that composite material is printed along any machine direction.
Preferably, it is the globality for improving equipment, further includes pedestal, the translation mobile mechanism is fixed on pedestal top
Portion, the support plate 21 of the rotary table are fixedly connected with the pedestal bottom.The rack is square framework type knot
Structure is fixedly connected by angled piece by industrial aluminum profile and is constituted, and light weight, stress is strong, makes full use of the industrial aluminum profile, can be with
Save space.
Specifically, the translation mobile mechanism includes, X is to driving portion comprising two are separately positioned on pedestal two
The X of side is slidably disposed on two Xs of the X on guide rod to carrying block 13 by linear bearing respectively to guide rod 11, with
And the driving X is to the X for carrying block and being moved to guide rod along X to driving motor；Y-direction driving portion comprising two both ends with it is described
X to the Y-direction guide rod 12 that is fixedly connected of block is carried, be slidably disposed on the Y-direction carrier by linear bearing, and and its
In an X to block is carried be fixedly connected with the Y-direction driving motor to drive the Y-direction carrier to move along Y-direction guide rod, described squeezes
Lift one's head and is arranged on the Y-direction carrier.
Wherein, X is realized respectively by synchronous belt to driving motor and Y-direction driving motor and is driven, meanwhile, X is real to motor
The X of existing two sides further includes Synchronous Transmission bar, a synchronous belt is being respectively set by drive rod both ends to the synchronizing moving for carrying block
Dynamic and two synchronous pulleys, the synchronous driving of two sides, are effectively ensured traveling comfort.
Specifically, the support arm 21 and workbench 20 pass through the swingable connection of shaft, i.e. composition spherical pair, upper end
It is rotatably connected by oscillating bearing and the working plate.Wherein, have in three shafts one and X to it is perpendicular or parallel with
Realize the simplification of control.
In specific implementation, as one of embodiment, the support arm 21 includes with the support plate by turning
The support rod of axis connection, the line slide rail 211 being fixedly connected with the support frame are fixedly connected and drive with the support rod
Spindle motor 213 and one end that dynamic feed screw nut is moved along the line slide rail and the feed screw nut 214 is fixed connects
Connect one end and connecting rod 212 that the working plate is rotatably connected, i.e., the feed screw nut be fixed at it is described
On the matched sliding block of line slide rail, the axial direction of spindle motor is axial parallel with line slide rail, is by the movement of spindle motor
The movement of connecting rod can be achieved, nationality is to realize the flexible of support arm.
Preferably, the connecting rod and hollow tube, the lead screw of the spindle motor can matchingly be inserted into the connection
It is interior and be freely rotated.Volume exclusion can be effectively saved in this way, and effective print space is provided.The present embodiment uses spindle motor and cunning
Rail slide block device controls three support arms and stretches, can be with save the cost while more compact structure is convenient for control.
As the second embodiment of support arm of the present invention specific implementation, the support arm includes passing through with the support plate
The support rod of shaft connection, the line slide rail being fixedly connected with the support frame are fixedly connected and drive with the support rod
The telescope motor and one end that movable slider is moved along the line slide rail are fixedly connected with one end and described with the sliding block
The connecting rod that working plate is rotatably connected.
It realizes that the flexible of support arm is equally able to achieve above-mentioned control by synchronous belt using telescope motor, and passes through synchronization
Band is sequentially connected, and space requirement degree is low, is arranged more convenient.
The control method of the rotatable 3D printing device of workbench of the present invention, including,
X respectively drives extruder head X to driving motor and Y-direction driving motor and is translatable to Y-direction,
The translation of three support arm synchronization telescope driving working plate Z-directions,
One of support arm elongation in three support arms, synchronous shorten of other two support arm are realized around X-axis or Y-axis turn
It is dynamic, meanwhile, realizing the compound motion that can also go up and down with Z axis while rotation around X-axis or Y-axis.
It when realizing rotation, such as turns about the X axis, the axis of rotation is rotated by the center around platform.
By the elongation of one of support arm, the contraction of other two above-mentioned support arm realizes that is, three support arms will act.It beats
During print, the decline of Z-direction workbench is needed to cooperate while rotation, specific falling head is according to the shape of model
Depending on shape.In specific control process, because print head realizes the movement of X-axis and Y-axis, relative ease is controlled, therefore print head moves
Dynamic track needs the track for cooperating platform to move to realize that five-axle linkage prints.Three arm support working platforms can only realize one
Mobile and two rotations, in print procedure, will also be combined with the movement of the X-axis and Y-axis of extruder head, to avoid interference and ask
Topic.
The above is only a preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of 3D printing device that workbench is rotatable, which is characterized in that including,
Be translatable mobile mechanism, to carry extruder head and drive the extruder head translation；
Rotary table, is driven flexible support arm and working plate including three, the support arm be uniformly distributed and with
One end is rotatably connected with working plate, the other end and the swingable connection of support plate.
2. the rotatable 3D printing device of workbench as described in claim 1, which is characterized in that it further include pedestal, it is described
Translation mobile mechanism is fixed at the top of pedestal, and the support plate of the rotary table is fixedly connected with the pedestal bottom.
3. the rotatable 3D printing device of workbench as described in claim 1, which is characterized in that the translation mobile mechanism
Including,
X is to driving portion comprising the X of pedestal two sides is arranged in guide rod, the X is respectively slidably arranged in on guide rod
Two X to carrying block, and the driving X is to the X for carrying block and being moved to guide rod along X to driving motor,
Y-direction driving portion comprising both ends and the X are slidably disposed on described to the Y-direction guide rod for carrying block and being fixedly connected
Y-direction carrier, and the Y-direction driving motor that Y-direction carrier described in driving is moved along Y-direction guide rod, the extruder head are arranged in institute
On the Y-direction carrier stated.
4. the rotatable 3D printing device of workbench as described in claim 1, which is characterized in that the support arm include with
The support rod that the support plate is connected by shaft, the line slide rail being fixedly connected with the support rod, with the support
Bar is fixedly connected and the spindle motor and one end that drive feed screw nut to move along the line slide rail and the lead screw spiral shell
The connecting rod that mother is fixedly connected with one end and the working plate is rotatably connected.
5. the rotatable 3D printing device of workbench as described in claim 1, which is characterized in that the connecting rod passes through pass
Bearings are rotatably connected with the working plate.
6. the rotatable 3D printing device of workbench as described in claim 1, which is characterized in that the connecting rod is hollow
Pipe, the lead screw of the spindle motor can matchingly be inserted into the connection and be freely rotated.
7. the rotatable 3D printing device of workbench as described in claim 1, which is characterized in that the support arm include with
The support rod that the support plate is connected by shaft, the line slide rail being fixedly connected with the support rod, with the support
Bar is fixedly connected and the telescope motor and one end that drive sliding block to move along the line slide rail and the sliding block is fixed connects
Connect the connecting rod that one end is rotatably connected with the working plate.
8. a kind of control method for the 3D printing device that workbench as described in claim 1 is rotatable, which is characterized in that packet
It includes,
X respectively drives extruder head X to driving motor and Y-direction driving motor and is translatable to Y-direction,
The translation of three support arm synchronization telescope driving working plate Z-directions,
One of support arm elongation in three support arms, synchronous shorten of other two support arm are realized around X-axis or Y-axis rotation.
9. control method as claimed in claim 8, which is characterized in that described to be answered around X-axis or Y-axis rotation with what Z axis was translatable
Resultant motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710406307.5A CN108973109A (en) | 2017-06-01 | 2017-06-01 | The rotatable 3D printing device of workbench and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710406307.5A CN108973109A (en) | 2017-06-01 | 2017-06-01 | The rotatable 3D printing device of workbench and control method |
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| Publication Number | Publication Date |
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| CN108973109A true CN108973109A (en) | 2018-12-11 |
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| CN201710406307.5A Pending CN108973109A (en) | 2017-06-01 | 2017-06-01 | The rotatable 3D printing device of workbench and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020263205A3 (en) * | 2019-06-25 | 2021-02-11 | Tobb Ekonomi Ve Teknoloji Universitesi | Printing table and operation mode thereof |
| CN114851559A (en) * | 2022-05-06 | 2022-08-05 | 江南大学 | Redundant processing system with degree of freedom, contour line high-precision processing method and workpiece |
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