CN112264620A - Simple 3D printing system with selective resistance heating - Google Patents
Simple 3D printing system with selective resistance heating Download PDFInfo
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- CN112264620A CN112264620A CN202011234602.5A CN202011234602A CN112264620A CN 112264620 A CN112264620 A CN 112264620A CN 202011234602 A CN202011234602 A CN 202011234602A CN 112264620 A CN112264620 A CN 112264620A
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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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Abstract
The invention relates to the technical field of 3D printing, in particular to a simple 3D printing system with selective resistance heating. The system comprises a basic platform, a lifting platform and a 3D printing head assembly; one side of the basic platform is connected with the lifting platform; the 3D printing head assembly is connected with the basic platform through the L-shaped bracket; the center part of the lifting platform is provided with a lifting area; the 3D printing head assembly comprises a barb type support and a 3D printing head; the barb type support drives the 3D printing head to move up and down; the 3D printing head is connected to a computer of the control center through a lead, the computer of the control center obtains an electronic model of a preset manufactured part, the electronic model is cut into a plurality of layers, the thickness of the layers is determined, a shape file of each layer of the model is calculated, and the 3D printing head conducts electric heating. The simple 3D printing system for selective resistance heating, provided by the invention, has a simple structure, is very convenient to print, reduces the cost to the greatest extent, and improves the production efficiency.
Description
Technical Field
The invention relates to the technical field of 3D printing, in particular to a simple 3D printing system with selective resistance heating.
Background
The 3D printing technology is to increase raw materials layer by layer to obtain a three-dimensional real object, and the basic principle is to perform spatial gridding decomposition on a part digital model into a dot matrix, and then to stack the dot matrix layer by utilizing a metal powder melting or sintering technology without removing a large amount of raw materials like the traditional technology, which is also called as an additive manufacturing technology. In recent years, the development of metal 3D printing technology is rapid, and the work and life style of people are greatly changed. The metal 3D printing technology is the manufacturing technology with the widest application prospect at present, and plays an important role in high-end fields such as aerospace, weaponry, automobiles, creative jewelry, biomedical science and the like.
At present, the 3D printing technology in China develops rapidly in recent years, and various application service markets are gradually formed. The most widely used metal materials in industrial production still have the defects that the processing cost is high due to the fact that the original printing system is too complex, and therefore, a simple 3D printing (material increase manufacturing) technology of selective resistance heating is designed.
Disclosure of Invention
Technical problem to be solved
The invention provides a simple 3D printing system for selective heating of resistors, and aims to overcome the defects that a 3D printing system in the prior art is complex in structure, high in printing cost and the like.
(II) technical scheme
In order to solve the above problems, the present invention provides a simple 3D printing system with selective resistance heating, comprising:
the device comprises a base platform, a lifting platform and a 3D printing head assembly;
one side of the basic platform is connected with the lifting platform; the height of the lifting platform is higher than that of the basic platform;
the 3D printing head assembly is connected with the base platform through an L-shaped support;
a liftable area is arranged at the central part of the lifting platform;
the 3D printing head assembly comprises a barb type support and a 3D printing head; the 3D printing head is positioned right above a lifting area in the lifting platform; in the 3D printing head assembly, the barb type support drives the 3D printing head to move up and down;
the 3D printing head is connected to a computer of a control center through a lead, the computer of the control center obtains an electronic model of a part to be manufactured, the electronic model is cut into a plurality of layers, the thickness of the layers is determined, a shape file of each layer of the model is calculated, and the 3D printing head is controlled according to the electronic model to be obtained according to the computer of the control center. And determining the layer thickness by using layered slicing software, cutting the model into a plurality of layers, calculating the file shape of each layer of the model, and selecting an area by the 3D printing head according to the file shape to conduct electric heating.
Preferably, the lifting area in the lifting platform is matched with the size of the 3D printing head, the lifting area is provided with a subdivided circuit grid, and the surface of the lifting area is coated with a protective layer for preventing the adhesion with molten metal and high-temperature solid metal.
And metal powder is placed in the lifting area layer by layer.
Preferably, the lifting platform has a slice layer and it has a plurality of height-adjustable position switches.
(III) advantageous effects
The simple 3D printing system for selective resistance heating, provided by the invention, has a simple structure, is very convenient to print, reduces the cost to the greatest extent, and improves the production efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a simple 3D printing system with selective resistive heating according to an embodiment of the present invention.
Wherein: 1. A base platform; 2. a lifting platform; 3. a 3D printhead assembly; 4: a support; 21: and (4) lifting the area.
Detailed Description
The present invention will be described in detail below with reference to the drawings and examples.
As shown in fig. 1, the present invention provides a simple 3D printing system with selective resistive heating, comprising: the printing device comprises a basic platform 1, a lifting platform 2 and a 3D printing head assembly 3;
one side of the basic platform 1 is connected with the lifting platform 2; the height of the lifting platform 2 is higher than that of the basic platform 1;
the 3D printing head 3 assembly is connected with the basic platform 1 through an L-shaped bracket 4;
a lifting area 21 is arranged at the central part of the lifting platform 2;
the 3D printing head assembly 2 comprises a barb type support and a 3D printing head; the 3D printing head is positioned right above a lifting area in the lifting platform; in the 3D printing head assembly, the barb type support drives the 3D printing head to move up and down;
the 3D printing head is connected to a computer of a control center through a lead, the computer of the control center obtains an electronic model of a part to be manufactured, the electronic model is cut into a plurality of layers, the thickness of the layers is determined, a shape file of each layer of the model is calculated, and the 3D printing head is controlled according to the electronic model to be obtained according to the computer of the control center. And determining the layer thickness by using layered slicing software, cutting the model into a plurality of layers, calculating the file shape of each layer of the model, and selecting an area by the 3D printing head according to the file shape to conduct electric heating. The 3D printing head is a laser processing head and heats a selected area by connecting a laser to emit laser.
The lifting area in the lifting platform 2 is matched with the 3D printing head in size, the lifting area is provided with a subdivided circuit grid, and the surface of the lifting area is coated with a protective layer for preventing molten metal and high-temperature solid metal from being adhered. The protective layer can be realized by adopting a spraying mode. The protective layer is made of materials common in the existing market, for example, graphite or ceramic; and manually placing metal powder layer by layer in the lifting area.
Wherein the lifting platform 2 has a slice layer and it has a plurality of height-adjustable range switches.
The operation of the simple 3D printing system with selective resistive heating is described in detail below:
put a base plate at lift platform's center at first, then descend the height of sliced layer through the gear switch, one deck metal powder is spread on it manually, beat printer head to assigned position through program control 3D, electrically conductive output heat lets the powder sintering, it beats printer head to lift 3D, through control high gear switch, make the base plate descend a layer of bed thickness, one deck metal powder is spread manually, control 3D beats printer head and carries out the conductive heating according to the model election district of next floor to the assigned position, so on and so on, print until accomplishing all numbers of layers, rise lift platform to the highest after printing, retrieve metal powder, take out the printing.
The embodiment of the invention carries out spatial gridding decomposition on the part digital model into the dot matrix, and then the part digital model is formed by stacking the part digital model layer by utilizing the metal powder melting or sintering technology, and the structure is simple, thereby reducing the cost and improving the production efficiency.
The above embodiments are only for illustrating the invention and are not to be construed as limiting the invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention, therefore, all equivalent technical solutions also belong to the scope of the invention, and the scope of the invention is defined by the claims.
Claims (4)
1. The utility model provides a simple and easy 3D printing system of resistance selection district heating which characterized in that includes:
the device comprises a base platform, a lifting platform and a 3D printing head assembly;
one side of the basic platform is connected with the lifting platform; the height of the lifting platform is higher than that of the basic platform;
the 3D printing head assembly is connected with the base platform through an L-shaped support;
a liftable area is arranged at the central part of the lifting platform;
the 3D printing head assembly comprises a barb type support and a 3D printing head;
the 3D printing head is positioned right above a lifting area in the lifting platform; in the 3D printing head assembly, the barb type support drives the 3D printing head to move up and down;
the 3D printing head is connected to a computer of a control center through a lead, the computer of the control center acquires an electronic model of a part to be manufactured, the electronic model is cut into a plurality of layers, the thickness of the layers is determined, a shape file of each layer of the model is calculated, and the 3D printing head is controlled according to the electronic model and acquired according to the computer of the control center; and determining the layer thickness by using layered slicing software, cutting the model into a plurality of layers, calculating the file shape of each layer of the model, and selecting an area by the 3D printing head according to the file shape to conduct electric heating.
2. The resistive selective heating compact 3D printing system of claim 1 wherein the elevating platform has elevating areas matching the 3D printhead size, the elevating areas having a subdivided circuit grid and surface coated with a protective layer to prevent adhesion to molten metal and high temperature solid metal;
and metal powder is placed in the lifting area layer by layer.
3. The resistive selective heating dumb 3D printing system as recited in claim 1 wherein said lift platform has a slice layer and has a plurality of height adjustable position switches.
4. The resistive selective heating compact 3D printing system as defined in claim 1 wherein the 3D printhead is a laser processing head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011234602.5A CN112264620A (en) | 2020-11-07 | 2020-11-07 | Simple 3D printing system with selective resistance heating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011234602.5A CN112264620A (en) | 2020-11-07 | 2020-11-07 | Simple 3D printing system with selective resistance heating |
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| CN112264620A true CN112264620A (en) | 2021-01-26 |
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| CN202011234602.5A Pending CN112264620A (en) | 2020-11-07 | 2020-11-07 | Simple 3D printing system with selective resistance heating |
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Citations (10)
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| CN105058792A (en) * | 2015-08-03 | 2015-11-18 | 成都顺康三森电子有限责任公司 | 3D printer for manufacturing thermosensitive resistors |
| CN106426908A (en) * | 2016-10-14 | 2017-02-22 | 山东大学 | Variable-caliber 3D printer extrusion head and printing method thereof |
| CN106914619A (en) * | 2017-05-10 | 2017-07-04 | 窦鹤鸿 | Mobile assembling 3D printing equipment, 3D printing main body equipment and 3D printer |
| CN107584116A (en) * | 2017-08-10 | 2018-01-16 | 常兆芹 | Electric resistance welding formula metal three-dimensional printer and its application method |
| JP6349561B1 (en) * | 2017-07-31 | 2018-07-04 | 福井県 | 3D modeling method |
| CN108568968A (en) * | 2018-07-05 | 2018-09-25 | 北京商鲲三维创想科技有限公司 | A kind of 3D printer |
| CN108656541A (en) * | 2018-07-05 | 2018-10-16 | 北京商鲲三维创想科技有限公司 | A kind of novel 3D printer |
| CN110153411A (en) * | 2019-05-30 | 2019-08-23 | 南京尚吉智能装备科技有限公司 | Dot matrix powdering 3D printing device and Method of printing based on resistance heating |
| CN210023772U (en) * | 2019-05-30 | 2020-02-07 | 南京尚吉智能装备科技有限公司 | Dot-matrix powder laying 3D printing device based on resistance heating |
| CN213944890U (en) * | 2020-11-07 | 2021-08-13 | 齐齐哈尔金车工业有限责任公司 | Simple 3D printing system for selective resistance heating |
-
2020
- 2020-11-07 CN CN202011234602.5A patent/CN112264620A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105058792A (en) * | 2015-08-03 | 2015-11-18 | 成都顺康三森电子有限责任公司 | 3D printer for manufacturing thermosensitive resistors |
| CN106426908A (en) * | 2016-10-14 | 2017-02-22 | 山东大学 | Variable-caliber 3D printer extrusion head and printing method thereof |
| CN106914619A (en) * | 2017-05-10 | 2017-07-04 | 窦鹤鸿 | Mobile assembling 3D printing equipment, 3D printing main body equipment and 3D printer |
| JP6349561B1 (en) * | 2017-07-31 | 2018-07-04 | 福井県 | 3D modeling method |
| CN107584116A (en) * | 2017-08-10 | 2018-01-16 | 常兆芹 | Electric resistance welding formula metal three-dimensional printer and its application method |
| CN108568968A (en) * | 2018-07-05 | 2018-09-25 | 北京商鲲三维创想科技有限公司 | A kind of 3D printer |
| CN108656541A (en) * | 2018-07-05 | 2018-10-16 | 北京商鲲三维创想科技有限公司 | A kind of novel 3D printer |
| CN110153411A (en) * | 2019-05-30 | 2019-08-23 | 南京尚吉智能装备科技有限公司 | Dot matrix powdering 3D printing device and Method of printing based on resistance heating |
| CN210023772U (en) * | 2019-05-30 | 2020-02-07 | 南京尚吉智能装备科技有限公司 | Dot-matrix powder laying 3D printing device based on resistance heating |
| CN213944890U (en) * | 2020-11-07 | 2021-08-13 | 齐齐哈尔金车工业有限责任公司 | Simple 3D printing system for selective resistance heating |
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