CN109624322B - Forming platform and polar coordinate 3D printer with same - Google Patents
Forming platform and polar coordinate 3D printer with same Download PDFInfo
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- CN109624322B CN109624322B CN201811363585.8A CN201811363585A CN109624322B CN 109624322 B CN109624322 B CN 109624322B CN 201811363585 A CN201811363585 A CN 201811363585A CN 109624322 B CN109624322 B CN 109624322B
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- flat plate
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- forming substrate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/245—Platforms or substrates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
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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)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
The invention belongs to the technical field of 3D printer correlation, and discloses a forming platform and a polar coordinate 3D printer with the forming platform, wherein the platform comprises a supporting mechanism, a fixed flat plate, a spring, a supporting flat plate, a transmission flat plate and a forming substrate, the forming substrate is connected with the transmission flat plate, and the transmission flat plate is connected with the supporting flat plate in a sliding manner; the surface of the transmission flat plate is connected with one end of a connecting rod, and the other end of the connecting rod penetrates through the support flat plate and then extends into the support mechanism; the fixed flat plate is sleeved on the supporting mechanism; two ends of the spring are respectively connected with the fixed flat plate and the supporting flat plate; the mounting position of the fixed flat plate relative to the supporting mechanism is adjusted through the spring, the rotating central axis of the supporting flat plate is parallel to the central axis of the spray head, and then the surface of the forming substrate is parallel to the movement plane of the spray head through adjusting the stud bolts. The invention improves the contact matching degree and the forming efficiency of the spray head and the forming substrate and has simple structure.
Description
Technical Field
The invention belongs to the technical field of 3D printer correlation, and particularly relates to a forming platform and a polar coordinate 3D printer with the forming platform.
Background
The 3D printing technology is also called fast molding Manufacturing (RPM) or additive Manufacturing technology, and relates to subjects such as mechanical engineering, material engineering, numerical control, reverse Manufacturing, CAD technology, and computer technology. The 3D printing technology adopts the basic principle of 'layer-by-layer printing and layer-by-layer superposition', namely, a three-dimensional model is generated through CAD software firstly, then, upper computer slicing software (such as curra, resetier-Host, retaCreate and the like) slices the three-dimensional model in a layering mode and plans a path, a generated G-code file is led into a lower computer, and then, the controller controls 3D printing equipment to reproduce the three-dimensional solid model layer by layer.
Use 3D to print rapid prototyping technique as the core, the 3D former of different printing principles has appeared, wherein, Fused Deposition Modeling (FDM) equipment relies on its convenient to use, easy operation and becomes the hot spot of using now, and its hardware core is hot melt printing shower nozzle, and the printing material is mostly hot melt plastics. In the printing process, under the control of the controller, the feeding mechanism pushes the hot-melt plastic to the printing nozzle, and then the hot-melt plastic is melted at high temperature by the nozzle and is extruded and molded.
At present, some research has been done by those skilled in the art, but the 3D printing and forming technology still faces many problems, one of which is the contact angle between the forming substrate and the nozzle. When a general 3D printer is used for printing, the matching degree between the nozzle and the molding substrate is not high, and the center line of the nozzle and the plane of the substrate cannot be in a perpendicular state of 90 degrees, which may affect the printing effect and may cause problems such as model warpage. Accordingly, there is a need in the art to develop a forming platform capable of solving the problem that the nozzle is not perpendicular to the forming substrate, and a polar coordinate 3D printer having the forming platform.
Disclosure of Invention
Aiming at the defects or improvement requirements of the prior art, the invention provides a forming platform and a polar coordinate 3D printer with the forming platform, which are based on the characteristics of 3D printing forming equipment, researches and designs the forming platform capable of enabling a forming substrate and a printing spray head to be in a 90-degree vertical state, and the polar coordinate 3D printer with the forming platform. The forming platform enables the central axis of the printing nozzle to be parallel to the central axis of the forming substrate through adjustment, so that the forming substrate is perpendicular to the printing nozzle, the problem that the printing nozzle is not perpendicular to the forming substrate in the printing process is effectively avoided, and the forming platform is simple in structure, easy to manufacture and good in applicability.
To achieve the above object, according to one aspect of the present invention, there is provided a molding platform adapted for a polar 3D printer; the forming platform comprises a supporting mechanism, a fixing flat plate, a spring, a supporting flat plate, a transmission flat plate and a forming substrate, wherein the forming substrate is connected with the transmission flat plate, and the transmission flat plate is connected with the supporting flat plate in a sliding manner; the surface of the transmission flat plate facing the supporting mechanism is connected to one end of a stepped connecting rod, and the other end of the connecting rod penetrates through the supporting flat plate and then extends into the supporting mechanism; the forming substrate, the transmission flat plate and the support flat plate are parallel to each other; the fixed flat plate is sleeved on one end of the supporting mechanism adjacent to the supporting flat plate; two ends of the spring are respectively connected to the fixed flat plate and the supporting flat plate;
the mounting position of the fixed flat plate relative to the supporting mechanism is adjusted through the spring, the rotating central axis of the disc-shaped supporting flat plate is parallel to the central axis of the printing spray head, and then the surface of the forming substrate is parallel to the moving plane of the printing spray head through adjusting the stud bolt connected to the forming substrate.
Further, the supporting mechanism is cylindrical; the forming platform further comprises a motor and a coupler, an output shaft of the motor extends into the supporting mechanism and then is connected to the coupler, and the coupler is connected to the other end of the connecting rod.
Further, a center axis of the motor coincides with a center axis of the molding substrate.
Further, the forming platform further comprises a water cooler, the water cooler is contained in the supporting mechanism and sleeved on the connecting rod.
Further, the forming platform further comprises a cylindrical roller bearing, and the cylindrical roller bearing is arranged between the connecting rod and the supporting flat plate.
Further, the forming platform further comprises a plane bearing, and the plane bearing is arranged between the transmission flat plate and the support flat plate.
Further, the forming platform further comprises a plurality of stud bolts, and two ends of each stud bolt are respectively connected to the transmission flat plate and the forming substrate.
Further, a plurality of the stud bolts are evenly arranged around the central axis of the molding base plate.
Furthermore, the number of the springs is multiple, and the springs are uniformly distributed around the central axis of the support flat plate.
According to another aspect of the present invention, there is provided a polar coordinate 3D printer, which includes a printing head, and the printer further includes the above-mentioned forming platform, wherein the central axis of the forming substrate is parallel to the central axis of the printing head, i.e. the printing head and the forming substrate are perpendicular to each other at 90 degrees.
Generally, compared with the prior art, the forming platform and the polar coordinate 3D printer with the forming platform provided by the invention have the following beneficial effects:
1. the mounting position of the fixed flat plate relative to the supporting mechanism is adjusted through the spring, the rotating central axis of the disc-shaped supporting flat plate is parallel to the central axis of the printing spray head, and the surface of the forming substrate is parallel to the moving plane of the printing spray head through adjusting the stud bolt, so that the problem that the printing spray head is not perpendicular to the forming substrate in the printing process is effectively avoided, and the forming efficiency and the forming quality are improved.
2. The forming platform is simple in structure, easy to manufacture and good in applicability.
3. The forming platform further comprises a water cooler, the water cooler is accommodated in the supporting mechanism and sleeved on the connecting rod; the water cooler is used for cooling the forming platform to guarantee the quality and the service life of the forming platform, and the influence of overhigh temperature on the printing temperature and the service life of the forming platform during high-temperature printing forming is prevented.
4. The cylindrical roller bearing is arranged between the connecting rod and the supporting flat plate, and the supporting flat plate and the connecting rod are in friction and abrasion.
5. The plane bearing is arranged between the transmission flat plate and the support flat plate, so that the friction and the abrasion between the transmission flat plate and the support flat plate are effectively reduced.
Drawings
Fig. 1 is a schematic structural diagram of a forming platform provided by the invention.
Fig. 2 is a cross-sectional view of the forming table of fig. 1.
In all the figures, the same reference numerals are used to denote the same elements or structures, among which 1-the forming base plate, 2-the stud bolt, 3-the drive plate, 4-the flat bearing, 5-the cylindrical roller bearing, 6-the spring, 7-the support plate, 8-the stationary plate, 9-the water cooler, 10-the coupling, 11-the support mechanism, 12-the motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 and 2, the forming platform provided by the invention is suitable for a polar coordinate 3D printer, and includes a printing forming module, a connection transmission module and an auxiliary module, wherein the connection transmission module is disposed on the auxiliary module, and the printing forming module is disposed on the connection transmission module. The connecting transmission module is used for adjusting the state of the printing and forming module.
The auxiliary module comprises a water cooler 9 and a supporting mechanism 11, wherein the supporting mechanism 11 is cylindrical and is used for supporting the connecting transmission module. The water cooler 9 is accommodated in the supporting mechanism 11 and is arranged adjacent to the connecting transmission mechanism. In this embodiment, the water cooler 9 is used for cooling the forming platform to ensure the quality and the service life of the forming platform, and prevent the printing temperature and the service life of the forming platform from being affected by too high temperature when high-temperature printing is performed.
Connect the transmission module and include motor 12, shaft coupling 10, fixed flat board 8, support flat board 7, spring 6, cylindrical roller bearing 5, flat bearing 4, stud 2 and transmission flat board 3, motor 12 set up in the one end of supporting mechanism 11, and it supports and leans on the supporting mechanism 11. In the present embodiment, the output shaft of the motor 12 extends into the support mechanism 11 and is connected to the coupling 10. The coupling 10 is located in the support mechanism 11, which is connected to the transmission plate 3. The support flat plate 7 is a step-shaped disc provided with a through hole. The surface of the transmission flat plate 3 facing the supporting mechanism 11 is connected to one end of a stepped connecting rod, and the other end of the connecting rod sequentially penetrates through the through hole and the water cooler 9 and then is connected to the coupler 10, so that the motor 12 sequentially passes through the coupler 10 and the connecting rod to drive the transmission flat plate 3 to rotate. The transmission plate 3 is in the shape of a disk and is slidably connected to the support plate 7. The supporting plate 7 is located between the transmission plate 3 and the fixing plate 8, the plane bearing 4 is arranged between the transmission plate 3 and the through hole, and the cylindrical roller bearing 5 is arranged between the through hole and the connecting rod, so that the friction and the abrasion between the transmission plate 3 and the supporting plate 7 and the friction and the abrasion between the supporting plate 7 and the connecting rod are effectively reduced.
The fixed flat plate 8 is arranged on one side, close to the printing and forming module, of the supporting mechanism 11, and the supporting mechanism 11 is sleeved with the fixed flat plate. One end of the spring 6 is connected to the fixing plate 8, and the other end is connected to the supporting plate 7. In the present embodiment, the number of the springs 6 is plural. One end of the stud bolt 2 is connected to the surface of the transmission flat plate 3 far away from the supporting mechanism 11, and the other end of the stud bolt is connected to the printing and forming module. In the present embodiment, the number of the springs 6 is also plural.
The printing forming module comprises a forming substrate 1, and the forming substrate 1 is connected to the stud bolt 2. In the present embodiment, the molding substrate 1 has a disk shape, and is parallel to the flat transmission plate 3; the support plate 7 and the transmission plate 3 are parallel to each other.
During operation, the mounting position of the fixed flat plate 8 relative to the support mechanism 11 is adjusted by the spring 6, so that the rotation central axis of the disc-shaped support flat plate 7 is parallel to the central axis of the printing head, and further, the surface of the molding substrate 1 is parallel to the movement plane of the printing head by adjusting the stud bolts 2. Meanwhile, the motor 12 is started, the rotary motion of the motor is transmitted to the transmission panel 3 through the coupler 10 and the connecting rod in sequence, and then the rotary motion of the transmission panel 3 is transmitted to the forming substrate 1 through the stud bolt 2, so that the polar coordinate printing mode of the forming platform is realized. The central axis of the motor 12 coincides with the central axis of the forming substrate 1 and is parallel to the central axis of the printing nozzle, and the printing nozzle is perpendicular to the forming substrate 1, so that the printing nozzle and the forming substrate are ensured to be in an angular contact of 90 degrees, the printing problem caused by the fact that the nozzle is not perpendicular to the forming substrate 1 during printing is effectively reduced, and the printing quality of the printer is ensured.
The invention also provides a polar coordinate 3D printer which comprises a printing spray head and the forming platform, wherein the forming substrate and the printing spray head are in a 90-degree vertical state, and the central axis of the forming substrate is parallel to the central axis of the printing spray head.
According to the forming platform and the polar coordinate 3D printer with the forming platform, the mounting position of the fixed flat plate relative to the supporting mechanism is adjusted through the spring, the rotating central axis of the disc-shaped supporting flat plate is parallel to the central axis of the printing spray head, the surface of the forming substrate is parallel to the moving plane of the printing spray head through adjusting the stud, and meanwhile, the central axis of the forming substrate is parallel to the central axis of the printing spray head, so that the printing spray head and the forming substrate are in a 90-degree vertical state, the problem of low contact fit degree of the spray head and the forming substrate is avoided, the quality of a model is guaranteed, and the structure is simple.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a shaping platform, its is applicable to polar coordinates 3D printer which characterized in that:
the forming platform comprises a supporting mechanism, a fixing flat plate, a spring, a supporting flat plate, a transmission flat plate and a forming substrate, wherein the forming substrate is connected with the transmission flat plate, and the transmission flat plate is connected with the supporting flat plate in a sliding manner; the surface of the transmission flat plate facing the supporting mechanism is connected to one end of a stepped connecting rod, and the other end of the connecting rod penetrates through the supporting flat plate and then extends into the supporting mechanism; the forming substrate, the transmission flat plate and the support flat plate are parallel to each other; the fixed flat plate is sleeved on one end of the supporting mechanism adjacent to the supporting flat plate; two ends of the spring are respectively connected to the fixed flat plate and the supporting flat plate;
adjusting the installation position of the fixed flat plate relative to the supporting mechanism through the spring to enable the rotation central axis of the disc-shaped supporting flat plate to be parallel to the central axis of a printing spray head, and further enabling the surface of the forming substrate to be parallel to the movement plane of the printing spray head through adjusting a stud bolt connected to the forming substrate; wherein, the both ends of stud connect respectively in the shaping base plate reaches the transmission is dull and stereotyped.
2. The modeling platform of claim 1, wherein: the supporting mechanism is cylindrical; the forming platform further comprises a motor and a coupler, an output shaft of the motor extends into the supporting mechanism and then is connected to the coupler, and the coupler is connected to the other end of the connecting rod.
3. The modeling platform of claim 2, wherein: the central axis of the motor coincides with the central axis of the molding substrate.
4. The modeling platform of claim 2, wherein: the forming platform further comprises a water cooler, the water cooler is contained in the supporting mechanism and sleeved on the connecting rod.
5. The modeling platform of claim 1, wherein: the forming platform further comprises a cylindrical roller bearing, and the cylindrical roller bearing is arranged between the connecting rod and the supporting flat plate.
6. The modeling platform of claim 1, wherein: the forming platform further comprises a plane bearing, and the plane bearing is arranged between the transmission flat plate and the supporting flat plate.
7. The modeling platform of claim 1, wherein: the forming platform comprises a plurality of stud bolts, and two ends of each stud bolt are respectively connected to the transmission flat plate and the forming substrate.
8. The modeling platform of claim 7, wherein: the plurality of stud bolts are uniformly arranged around the central shaft of the forming substrate.
9. The modeling platform of any of claims 1-8, wherein: the number of the springs is multiple, and the springs are uniformly distributed around the central shaft of the support flat plate.
10. The utility model provides a polar coordinates 3D printer, its characterized in that including printing the shower nozzle:
the printer further comprises the forming platform of any one of claims 1 to 9, wherein the central axis of the forming substrate is parallel to the central axis of the printing nozzle, i.e. the printing nozzle is perpendicular to the forming substrate by 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811363585.8A CN109624322B (en) | 2018-11-16 | 2018-11-16 | Forming platform and polar coordinate 3D printer with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811363585.8A CN109624322B (en) | 2018-11-16 | 2018-11-16 | Forming platform and polar coordinate 3D printer with same |
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| Publication Number | Publication Date |
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| CN109624322A CN109624322A (en) | 2019-04-16 |
| CN109624322B true CN109624322B (en) | 2020-01-03 |
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Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9364995B2 (en) * | 2013-03-15 | 2016-06-14 | Matterrise, Inc. | Three-dimensional printing and scanning system and method |
| US9827717B2 (en) * | 2014-08-15 | 2017-11-28 | University Of Southern California | Statistical predictive modeling and compensation of geometric deviations of 3D printed products |
| US10118343B1 (en) * | 2014-12-19 | 2018-11-06 | X Development Llc | Fabrication baseplate with anchor channels |
| 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 |
| CN108237691A (en) * | 2016-12-23 | 2018-07-03 | 武汉科技大学 | A kind of 3D printer based on cylindrical coordinates Slicing Algorithm |
| CN106738910A (en) * | 2016-12-27 | 2017-05-31 | 徐州乐泰机电科技有限公司 | A kind of pair of shower nozzle three-dimensional printer |
| CN106696259A (en) * | 2017-02-22 | 2017-05-24 | 无锡金谷三维科技有限公司 | Polar coordinate type 3D printer and printing method thereof |
| GB2561543A (en) * | 2017-03-24 | 2018-10-24 | Dixon Alistair | An additive manufacturing device and method |
| CN207388299U (en) * | 2017-08-04 | 2018-05-22 | 广州中国科学院先进技术研究所 | A kind of polar coordinates type 3D printer |
| CN108081607A (en) * | 2017-12-14 | 2018-05-29 | 深圳市爱能特科技有限公司 | Polar coordinates 3D printer |
| CN108673886A (en) * | 2018-06-05 | 2018-10-19 | 东莞理工学院 | One kind being based on polar portable 3D printer |
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2018
- 2018-11-16 CN CN201811363585.8A patent/CN109624322B/en active Active
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