CN205343827U - Circular section object 3D printer based on polar coordinates - Google Patents
Circular section object 3D printer based on polar coordinates Download PDFInfo
- Publication number
- CN205343827U CN205343827U CN201620021476.8U CN201620021476U CN205343827U CN 205343827 U CN205343827 U CN 205343827U CN 201620021476 U CN201620021476 U CN 201620021476U CN 205343827 U CN205343827 U CN 205343827U
- Authority
- CN
- China
- Prior art keywords
- axis
- screw mandrel
- print platform
- motor
- arm axle
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model relates to a circular section object 3D printer based on polar coordinates machine. The purpose is that this the 3D printer that provides should have work efficiency height, stable in structure, the level and smooth characteristics in printing cross -section. Technical scheme is: a circular section object 3D printer based on polar coordinates, includes by the lower supreme base portion who installs in proper order, print platform part and prints the joint part, base portion includes that base, elevator motor and two lead screw band pulleys, two at least Z are to guide arm, two Z to the lift lead screw, the print platform part is including print platform support, XY to drive assembly and print platform, it includes the roof, breaks printer head and isometric big arm board, forearm board to print the joint part.
Description
Technical field
This utility model relates to 3D printing technique field, particularly relates to a kind of based on polar circular section object 3D printer.
Background technology
The 3D printer elementary cell with triangle for 3D model now, because arbitrary section can disassemble into the combination of multiple triangle, has simple in construction, the feature of highly versatile.But adopting when printing cross section circular body in this way, if 3D printer precision is not high, filling rate (i.e. the spacing of line and line) will decline, and causes that printing effect is poor.For this problem, devise one based on polar circular section object 3D Method of printing and corresponding 3D printer.
Utility model content
The purpose of this utility model is to overcome the deficiency in above-mentioned background technology, it is provided that a kind of based on polar circular section object 3D printer.This 3D printer should have the feature that work efficiency height, Stability Analysis of Structures, printing cross section are smooth.
The technical solution adopted in the utility model is as follows: a kind of based on polar circular section object 3D printer, it is characterised in that: include base part, print platform part and the printing articular portion installed successively from the bottom to top；Two Z-direction elevating screws that described base part includes pedestal, be arranged on pedestal lifting motor and two screw mandrel belt wheels, at least two Z-direction guide rod being movably arranged on pedestal coordinate with the screw of screw mandrel belt wheel；Lifting motor is connected with two screw mandrel belt wheels respectively by synchronous pulley and Timing Belt, thus driving two Z-direction elevating screws to move up and down；The XY that described print platform part includes print platform support, be arranged on print platform support is to driving assembly and being arranged on XY to the print platform driven on assembly；Print platform support offers several through holes, Z-direction guide rod and Z-direction elevating screw and is each passed through described through hole；Described printing articular portion includes top board, printhead and isometric large arm plate, forearm plate, mounting of roof plate is at the top of two Z-direction elevating screws and two Z-direction guide rods, first end of large arm plate is rotatably installed in top board bottom surface by big arm axle and is driven by large arm motor; the first bottom portion of little wallboard is installed with printhead, and the second end of little wallboard is rotatably installed in the second face, bottom of large arm plate by little arm axle and is driven by forearm motor.
As preferably, described XY is to the X-axis screw mandrel and the Y-axis screw mandrel that drive assembly to include quadrature arrangement, and X-axis screw mandrel is driven by X-axis motor, and X-axis screw mandrel is installed with X-axis nut, X-axis nut is connected with print platform by X-axis slide block, the T-shaped slide rail of X-axis, and the T-shaped slide rail of X-axis and Y-axis screw mandrel are arranged in parallel；Y-axis screw mandrel is driven by y-axis motor, and Y-axis screw mandrel is installed with Y-axis nut, and Y-axis nut is connected with print platform by Y-axis slide block, the T-shaped slide rail of Y-axis, and the T-shaped slide rail of Y-axis and X-axis screw mandrel are arranged in parallel.
As preferably, the first end of described large arm plate is fixed on big arm axle, and big arm axle is arranged on top board by bearing, and large arm motor is connected with big arm axle thus driving big arm axle to rotate by gear；Second end of little wallboard is fixed on little arm axle, and little arm axle is arranged on the second end of large arm plate by bearing, and forearm motor is connected with little arm axle thus driving little arm axle to rotate by gear.
This utility model has the advantage that as follows: this utility model realizes the processing of a complete circle by the rotation of printhead, and by the distance between change printhead and big arm axle thus changing the radius of printing continuously, realize the processing of a circular section, simultaneously, print platform can be placed multiple workpiece, printed one by one by printhead, circular section for different radii, only need to change the angle between large arm plate one forearm plate and can change the distance between printhead and big arm axle, total algorithm is simple, printing path is clear, equipment is easy to use, work efficiency is high, simple and stable structure, printing cross section smooths.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model.
Fig. 2 is plan structure schematic diagram of the present utility model.
Fig. 3 be in Fig. 2 A-A to sectional view.
Fig. 4 is the perspective view of base part.
Fig. 5 is the main TV structure schematic diagram of base part.
Fig. 6 is the sectional view printing articular portion.
Fig. 7, Fig. 8 are the perspective view printing articular portion.
Fig. 9, Figure 10 are the perspective view of print platform part.
Figure 11 is the schematic diagram of 3D Method of printing.
Detailed description of the invention
Below in conjunction with Figure of description, the utility model is described in further detail, but this utility model is not limited to following example.
As shown in Fig. 1 to Fig. 3, a kind of based on polar circular section object 3D printer, including the base part installed successively from the bottom to top, print platform part and printing articular portion.
As shown in Figure 4, Figure 5, described base part includes that lifting motor 311, synchronous pulley 312, Timing Belt 313, screw mandrel belt wheel 314 (be shaped with screwed hole or be built-in with nut), Timing Belt 315, screw mandrel belt wheel 316, base plate be added 32, joint pin 33, base plate motor rack 34,35, two Z-direction guide rod 14-2 of base plate and two Z-direction elevating screw 14-1.Described lifting motor is fixed on base plate motor rack (base plate motor rack is fixed on base plate by joint pin), screw mandrel belt wheel is spacing by base plate added 32 and base plate motor rack 34 in Z-direction, one group of Timing Belt is driven by synchronous pulley, thus driving two screw mandrel belt wheels to be synchronized with the movement, drive the motion of two Z-direction elevating screws, to control described whole print platform part relative to the movement on the direction of Z axis of the described printer base plate.Base plate is added and offers through hole 14-3 on base plate motor rack, and two Z-direction guide rods and two Z-direction elevating screws are movably arranged in through hole, and Z-direction elevating screw coordinates with the screw of screw mandrel belt wheel.
Such as Fig. 9, shown in 10, described print platform part includes that X-axis motor 211, X-axis motor rack 212, X-axis leading screw 213, X-axis slide block 214, the T-shaped slide rail of X-axis 215, X-axis nut 216, X-axis leading screw retainer 217, y-axis motor 221, y-axis motor frame 222, Y-axis leading screw 223, Y-axis slide block 224, the T-shaped slide rail of Y-axis 225, Y-axis nut 226, Y-axis leading screw retainer 227, print platform 23, printing portion be added 24, lifting nut 25, printing portion undercarriage 26, lifting linear slider 27.
Printing portion added 24 and printing portion undercarriage 26 form print platform support, printing portion added 24 and printing portion undercarriage 26 offer several through holes, Z-direction guide rod and Z-direction elevating screw and is each passed through described through hole.X-axis leading screw 213 and Y-axis leading screw 223 quadrature arrangement also form XY to driving assembly.X-axis screw mandrel is driven by X-axis motor 211, and X-axis screw mandrel 213 is installed with X-axis nut 216, and X-axis nut 216 is connected with print platform by X-axis slide block 214, the T-shaped slide rail 215 of X-axis, and the T-shaped slide rail 215 of X-axis is arranged in parallel with Y-axis screw mandrel 223；Y-axis screw mandrel 223 is driven by y-axis motor 221, and Y-axis screw mandrel is installed with Y-axis nut 226, and Y-axis nut 226 is connected with print platform by Y-axis slide block 224, the T-shaped slide rail 225 of Y-axis, and the T-shaped slide rail 225 of Y-axis is arranged in parallel with X-axis screw mandrel 213.By designing leading screw and the orthogonal structure of slide rail, one is play effect in parallel, and two is to make print platform center of gravity always situated in, inside the tetragon being made up of four fulcrums, improve the stability of print platform.Described X-axis motor is fixed on printing portion on undercarriage by X-axis motor rack, X-axis driven by motor X-axis screw turns, thus driving X-axis nut, because X-axis nut is connected with X-axis slide block, so driving print platform to slide in X direction；Y-axis motor is fixed on printing portion on undercarriage by y-axis motor frame, and y-axis motor drives Y-axis screw turns, thus driving Y-axis nut, because Y-axis nut is connected with Y-axis slide block, so driving print platform to slide along Y-direction.Wherein four T-shaped slide rails are fixed on print platform bottom, move with print platform, thus realizing the change of print platform position in X/Y plane.
As shown in Fig. 6,7,8, described printing articular portion includes large arm motor 111, large arm motor rack 112, the little gear of large arm 113, large arm motor pillar 114, large arm gear wheel 115, big arm axle 116, big arm axle upper ball cover 117, big arm axle lower ball cover 118, large arm plate 119, the fixing end 14 of the isometric forearm plate 127 of the little gear of forearm motor 121, forearm 122, forearm gear wheel 126, little arm axle 123 and large arm plate, printhead 15, little arm axle upper ball cover 124, little arm axle lower ball cover 125, top board 13, elevating screw.Described large arm motor is fixed on upper frame by large arm motor rack, large arm motor pillar, and large arm motor terminal is connected with the little gear of large arm, and the little gear of large arm and large arm gear wheel are meshed, and large arm gear wheel is coaxially connected on big arm axle.Big arm axle is realized axial restraint by big arm axle upper bearing (metal), big arm axle upper ball cover and big arm axle lower bearing, big arm axle lower ball cover.Big arm axle lower end and large arm plate are connected.Described forearm motor is fixed on large arm plate, and forearm motor terminal is connected with the little gear of forearm, and the little gear of forearm and forearm gear wheel are meshed, and forearm gear wheel is coaxially connected on little arm axle, is connected with forearm plate simultaneously.Little arm axle is realized axial restraint by little arm axle upper bearing (metal), little arm axle upper ball cover and little arm axle lower bearing, little arm axle lower ball cover.Printhead is arranged on the end (i.e. the first end) of forearm plate.Elevating screw is fixed end and is used for fixing the upper end of elevating screw, and leading screw can do fixed-axis rotation wherein.
The operation principle of above-mentioned printer is:
First, workpiece is put on print platform, is adjusted the position of print platform by X, y-axis motor so that workpiece is in below printhead；Radius according to circular section afterwards, starts forearm motor, adjusts the angle between forearm plate and large arm plate, change the distance between printhead and big arm axle, namely change the radius of circle of printing, afterwards large arm motor 111, printhead is rotated one week along with large arm plate, namely processes a complete circle；Next the angle changed between forearm plate and large arm plate realizes the change of radius continuously, thus printing a complete circle, meanwhile, the lifting motor 311 of base part is by driving screw mandrel lifting, drive printhead to move up and down, process the circular section of differing heights；After a workpiece has printed, print platform moves, and delivers to below printhead by next one workpiece, proceeds to print.
As shown in figure 11, a kind of based on polar circular section object 3D Method of printing, comprise the following steps:
The first step, in X/Y plane, sets up polar coordinate system with the center of big arm axle (116) cross section for initial point O; the printhead 15 on little wallboard is set to P point, and the polar coordinate of P point are (ρ, θ); wherein ρ >=0,0≤θ < 2 πMould be ρ；
Second step, changes the position of P point so that θ is even variation between 0～2 π, prints the complete circle that radius is ρ；
3rd step；Changing the corner φ of the relative large arm plate (119) of little wallboard, thus changing the position of P point, makingMould be ρ even variation between 0 to R, thus obtaining the complete circular section that radius is R.
The principle of said method is: set up polar coordinate system with the center of circle, circular section for initial point O, and when restriction ρ >=0, during 0≤θ < 2 π, on cross section except initial point O, other every bits have a unique polar coordinate P (ρ, θ).So for the printing of circular section that radius is R, ifMould be ρ, changed between 0～2 π by θ and just can print the complete circle that radius is ρ.So making ρ from 0 to printing even variation radius R, it is possible to print the complete circular section that radius is R.So the mathematical model based on polar circular section object 3D printer is that one mould ρ of formation can from 0 to printing even variation radius RAnd θ can change between 0～2 π in X/Y plane.
The foregoing is only preferred embodiment of the present utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (3)
1. one kind based on polar circular section object 3D printer, it is characterised in that: include base part, the print platform part installed successively from the bottom to top and print articular portion；
Two Z-direction elevating screws (14-1) that described base part includes pedestal, be arranged on pedestal lifting motor (311) and two screw mandrel belt wheels, at least two Z-direction guide rod (14-2) being movably arranged on pedestal coordinate with the screw of screw mandrel belt wheel；Lifting motor is connected with two screw mandrel belt wheels respectively by synchronous pulley (312) and Timing Belt (313), thus driving two Z-direction elevating screws to move up and down；
The XY that described print platform part includes print platform support, be arranged on print platform support is to driving assembly and being arranged on XY to the print platform driven on assembly；Print platform support offers several through holes (14-3), Z-direction guide rod and Z-direction elevating screw and is each passed through described through hole；
Described printing articular portion includes top board (13), printhead (15) and isometric large arm plate (119), forearm plate (127), mounting of roof plate is at the top of two Z-direction elevating screws and two Z-direction guide rods, first end of large arm plate (119) is rotatably installed in top board bottom surface by big arm axle (116) and is driven by large arm motor (111); the first bottom portion of little wallboard is installed with printhead, and the second end of little wallboard is rotatably installed in the second face, bottom of large arm plate by little arm axle (123) and is driven by forearm motor (121).
2. one according to claim 1 is based on polar circular section object 3D printer, it is characterized in that: described XY includes X-axis screw mandrel (213) and the Y-axis screw mandrel (223) of quadrature arrangement to driving assembly, X-axis screw mandrel is driven by X-axis motor (211), X-axis screw mandrel (213) is installed with X-axis nut (216), X-axis nut (216) is connected with print platform by X-axis slide block (214), the T-shaped slide rail of X-axis (215), and the T-shaped slide rail of X-axis (215) and Y-axis screw mandrel (223) are arranged in parallel；Y-axis screw mandrel (223) is driven by y-axis motor (221), Y-axis screw mandrel is installed with Y-axis nut (226), Y-axis nut (226) is connected with print platform by Y-axis slide block (224), the T-shaped slide rail of Y-axis (225), and the T-shaped slide rail of Y-axis (225) and X-axis screw mandrel (213) are arranged in parallel.
3. one according to claim 1 is based on polar circular section object 3D printer, it is characterized in that: the first end of described large arm plate (119) is fixed on big arm axle (116), big arm axle (116) is arranged on top board by bearing, and large arm motor is connected with big arm axle (116) thus driving big arm axle (116) to rotate by gear；Second end of little wallboard is fixed on little arm axle (123); little arm axle (123) is arranged on the second end of large arm plate (119) by bearing, and forearm motor is connected with little arm axle (123) thus driving little arm axle (123) to rotate by gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620021476.8U CN205343827U (en) | 2016-01-11 | 2016-01-11 | Circular section object 3D printer based on polar coordinates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620021476.8U CN205343827U (en) | 2016-01-11 | 2016-01-11 | Circular section object 3D printer based on polar coordinates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205343827U true CN205343827U (en) | 2016-06-29 |
Family
ID=56174537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620021476.8U Withdrawn - After Issue CN205343827U (en) | 2016-01-11 | 2016-01-11 | Circular section object 3D printer based on polar coordinates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205343827U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538717A (en) * | 2016-01-11 | 2016-05-04 | 浙江理工大学 | 3D printing method and 3D printer based on polar coordinates for circular-section objects |
| CN108527872A (en) * | 2018-05-07 | 2018-09-14 | 河海大学 | A kind of high-precision 3D printer that polar coordinates are combined with rectangular co-ordinate |
-
2016
- 2016-01-11 CN CN201620021476.8U patent/CN205343827U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538717A (en) * | 2016-01-11 | 2016-05-04 | 浙江理工大学 | 3D printing method and 3D printer based on polar coordinates for circular-section objects |
| CN105538717B (en) * | 2016-01-11 | 2017-07-28 | 浙江理工大学 | One kind is based on polar circular section object 3D printing method and 3D printer |
| CN108527872A (en) * | 2018-05-07 | 2018-09-14 | 河海大学 | A kind of high-precision 3D printer that polar coordinates are combined with rectangular co-ordinate |
| CN108527872B (en) * | 2018-05-07 | 2020-12-01 | 河海大学 | High-precision 3D printer combining polar coordinates and rectangular coordinates |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105538717B (en) | One kind is based on polar circular section object 3D printing method and 3D printer | |
| CN105619049B (en) | Air-flotation type flexible assembly docking system | |
| CN100448627C (en) | Six degree of freedom buttjunction platform | |
| CN103831975A (en) | 3D (three-dimensional) printing system structure | |
| CN105750898B (en) | One kind lock the screw gauge | |
| CN205343827U (en) | Circular section object 3D printer based on polar coordinates | |
| CN107285007B (en) | Charging tray automatic feeder and Automatic-feeding method | |
| CN207983996U (en) | A kind of 3D printing device being applicable in a variety of printing heads | |
| CN110370352B (en) | Deviation rectifying platform | |
| CN1824458A (en) | Objective table device and dragon gate style objective table device, controlling means of objective table device | |
| CN107052736A (en) | Self-adapting flexible dress calibration system based on mechanism | |
| CN107139056A (en) | The polishing derusting of sheet metal surface and polishing device | |
| CN108240783A (en) | A kind of bay section docks adjustment mechanism | |
| CN206498599U (en) | A kind of efficient automatic chip mounting equipment | |
| CN206663799U (en) | The modularization print components of 3D printer | |
| CN105710625A (en) | Six-degree-of-freedom posture alignment assembling device for heavy-weight equipment in narrow and small space | |
| CN104907892B (en) | A kind of numerical control machining center of large LED lamp installation frame | |
| CN100510872C (en) | Panel migrating apparatus | |
| CN104385818A (en) | Three-dimensional engraving machine | |
| CN114813692B (en) | Online fluorescence microscopy machine of OLED screen | |
| CN201952041U (en) | Running deviation rectifying rack using electric working platform | |
| CN106078640A (en) | A kind of 3 axial planes are to bit platform | |
| CN206899750U (en) | The 3D printer that a kind of print platform is fixed | |
| CN103481151A (en) | Numerical control chamfering machine | |
| CN108454107A (en) | A kind of 3D printing device being applicable in a variety of printing heads |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160629 Effective date of abandoning: 20170728 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160629 Effective date of abandoning: 20170728 |