CN111597599A - Method for manufacturing grid combined type graphic model based on magnetism principle - Google Patents

Method for manufacturing grid combined type graphic model based on magnetism principle Download PDF

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CN111597599A
CN111597599A CN202010405546.0A CN202010405546A CN111597599A CN 111597599 A CN111597599 A CN 111597599A CN 202010405546 A CN202010405546 A CN 202010405546A CN 111597599 A CN111597599 A CN 111597599A
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model
printing
geometric
basic
unit
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黄伟莉
徐巍涛
肖文杰
章国庆
范芳蕾
宋宪臣
冯志徽
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East China Institute of Technology
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/10Geometric CAD
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive 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
    • B29C64/30Auxiliary operations or equipment
    • B29C64/386Data acquisition or data processing for additive manufacturing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y50/00Data acquisition or data processing for additive manufacturing
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2113/00Details relating to the application field
    • G06F2113/10Additive manufacturing, e.g. 3D printing

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Abstract

The invention discloses a method for manufacturing a grid combined type graphic model based on a magnetism principle, which comprises the following steps: 3D modeling of basic unit geometry; 3D printing, molding and forming the basic geometric body according to the model data; carrying out surface magnetization treatment on the unit basic geometric model; carrying out grid type modularization free combination on the magnetization unit body model to generate a new combined body model; and observing the forming process of the related intersecting lines and intersecting lines of the inner surface and the outer surface of the new combined body model, and analyzing the view projection characteristics. The invention has the advantages that: the modularized design is characterized in that flexible disassembly and assembly, free combination and convenient carrying can be realized by utilizing the magnetic principle; due to the characteristic of being detachable, the inner structure and the outer structure can be observed in an all-around manner, and the forming process of intersecting lines and intersecting lines of the three-dimensional surface can also be observed and analyzed through model combination; various basic unit bodies are of thin-wall hollow structures and are manufactured by adopting a 3D printing technology, and the requirement of light weight is met.

Description

Method for manufacturing grid combined type graphic model based on magnetism principle
Technical Field
The invention aims to provide a method for manufacturing a model, in particular to a method for manufacturing a grid combined type graphic model based on a magnetism principle.
Background
The traditional drawing teaching aid commonly used in the market at present is made of wood and plastic products all the time by adopting a cutting processing and injection molding method, the model is designed corresponding to the classic example of the teaching material, the body is of an integral structure or a bisection type structure, the function is single, the body transformation cannot be carried out, and the traditional drawing teaching aid is heavy and inconvenient to carry. Common connection combination modes of the geometric bodies include threaded connection, key connection, pin connection or glue adhesion and the like, and the geometric bodies cannot be detached; the design is a DIY combined type physical model teaching aid which is different from the model concept of the traditional drawing teaching aid.
Disclosure of Invention
The invention aims to provide a method for manufacturing a grid combined type graphic model based on a magnetism principle, which has the characteristic of modular design, can realize flexible disassembly and assembly by utilizing the magnetism principle, can be combined at will and is convenient to carry.
The technical scheme of the invention is as follows: a method for manufacturing a grid combined type graphic model based on a magnetism principle is characterized by comprising the following steps:
firstly, 3D modeling of a basic unit geometry;
secondly, performing 3D printing molding on the basic geometric solid according to the model data to manufacture and shape;
thirdly, carrying out surface magnetization treatment on the unit basic geometric model; the requirements of the combination and connection functions of the geometric bodies can be directly met by utilizing the magnetic attraction characteristic, the requirement of the plane integrity of the surface of the geometric bodies is also kept, the disassembly is convenient, the assembly is flexible, and the transformation of different body forms of the combined body is realized;
fourthly, freely combining the magnetized unit body models in a grid-type modularization mode to generate a new combined body model;
and fifthly, observing the forming process of the relevant intersecting lines and intersecting lines of the inner surface and the outer surface of the new combined body model, and analyzing the view projection characteristics.
Further, the basic unit geometry 3D modeling specifically includes:
and establishing 3D models of various unit basic geometric bodies, designing thin-wall cavities of the basic geometric bodies, and carrying out shallow counter bore thinning design on each outer surface.
Further, the basic geometric solid is subjected to 3D printing, molding, manufacturing and forming, and specifically:
(1) the geometric body is formed by 3D printing through a T280 photocuring printer and ChiTuBox slicing software;
(2) installing ChiTuBox slicing software, and setting printing parameters such as layer thickness, lifting distance, lifting speed and the like according to the precision grade requirement of the geometric body;
(3) importing a model STL file, setting a printing support, starting slicing, and storing a zip format;
(4) connecting the generated zip compressed packet with a 3D printer through a U disk or connecting the zip compressed packet with the same area to be uploaded to the 3D printer through the network;
(5) leveling a 3D printer platform, pouring resin, and starting printing;
(6) after printing was completed, the mold was printed by washing with 95% alcohol in an ultrasonic machine and then curing using a curing oven.
Further, carrying out surface magnetization treatment on the unit basic geometric model;
when the model structure is designed, shallow counter bores designed on the outer surfaces are used for mounting the sheet magnet and carrying out surface magnetization treatment, and the magnetic sheet mounting modes comprise interference fit and adhesive joint; when the magnetic sheets are installed, the outward magnetic polarities of the magnetic sheets of each model are kept consistent; the specific magnetizing steps are as follows:
(1) cleaning the physical model of the basic geometric solid by alcohol, and pressing the magnetic sheets into the counter bores on the surfaces of the geometric solid respectively;
(2) and (4) putting the model with the magnetic sheets into a curing box for curing, and successfully magnetizing the model after curing.
Further, the unit basic geometric bodies with the magnetized surfaces are freely combined in a grid mode to generate a new combined body model; the method specifically comprises the following steps:
(1) selecting a model with mutually attracted external magnetic poles for combination;
(2) selecting surfaces with the same surface area and shape for fitting, such as plane-to-plane suction;
(3) and performing modular combination on the geometric figure model according to the user requirements.
The invention has the advantages that: (1) the modularized design is characterized in that the magnetic principle is utilized to realize flexible disassembly and assembly, random combination and convenient carrying; (2) due to the characteristic of being detachable, the inner structure and the outer structure can be observed in an all-around manner, and the forming process of intersecting lines and intersecting lines of the three-dimensional surface can also be observed and understood through the combination of the models; (3) various basic unit bodies are of thin-wall hollow structures and are manufactured by adopting a 3D printing technology, so that the requirement of light weight is met; (4) and establishing a two-dimensional and three-dimensional gallery of an assembly model combined by unit bodies in a modularized manner, and setting a two-dimensional code of the assembly model, so that a learner can read the code by scanning.
Drawings
FIG. 1 is a schematic diagram of the basic cell geometry of the present invention.
FIG. 2 is a schematic view of a planar counterbore structure in the magnetization process of the present invention.
FIG. 3 is a schematic view of the structure of the counterbore on the inner surface of the cylinder during the magnetization process of the present invention.
FIG. 4 is a schematic diagram of the structure of a cylindrical tubular assembly for generating a new assembly model according to the present invention.
FIG. 5 is a schematic diagram of a cylindrical assembly structure for generating a new assembly model according to the present invention.
FIG. 6 is a schematic diagram of a landing class assembly structure for generating a new assembly model according to the present invention.
Detailed Description
As shown in fig. 1 to 6, a method for making a grid combined type graphic model based on a magnetism principle is characterized by comprising the following steps:
a first step, 3D modeling of basic unit geometry (as shown in figure 1);
secondly, performing 3D printing molding on the basic geometric solid according to the model data to manufacture and shape;
thirdly, carrying out surface magnetization treatment on the unit basic geometric model;
fourthly, freely combining the magnetized unit body models in a grid-type modularization mode to generate a new combined body model;
and fifthly, observing the forming process of the relevant intersecting lines and intersecting lines of the inner surface and the outer surface of the new combined body model, and analyzing the view projection characteristics.
Further, the basic unit geometry 3D modeling specifically includes:
and establishing 3D models of various unit basic geometric bodies, designing thin-wall cavities of the basic geometric bodies, and carrying out shallow counter bore thinning design on each outer surface.
Further, the basic geometric solid is subjected to 3D printing, molding, manufacturing and forming, and specifically:
(1) the geometric body is formed by 3D printing through a T280 photocuring printer and ChiTuBox slicing software;
(2) installing ChiTuBox slicing software, and setting printing parameters such as layer thickness, lifting distance, lifting speed and the like according to the precision grade requirement of the geometric body;
Figure BDA0002491111180000031
table one is the printing parameter of 0.05mm layer thickness
(3) Importing a model STL file, setting a printing support, starting slicing, and storing a zip format;
(4) connecting the generated zip compressed packet with a 3D printer through a U disk or connecting the zip compressed packet with the same area to be uploaded to the 3D printer through the network;
(5) leveling a 3D printer platform, pouring resin, and starting printing;
(6) after printing was completed, the mold was printed by washing with 95% alcohol in an ultrasonic machine and then curing using a curing oven.
Further, carrying out surface magnetization treatment on the unit basic geometric model;
when the model structure is designed, shallow counter bores (shown in figures 2 and 3) designed on the outer surfaces are used for mounting the sheet magnet and carrying out surface magnetization treatment, and the magnetic sheet mounting modes comprise interference fit and cementing; when the magnetic sheets are installed, the outward magnetic polarities of the magnetic sheets of each model are kept consistent; the specific magnetizing steps are as follows:
(1) cleaning the physical model of the basic geometric solid by alcohol, and pressing the magnetic sheets into the counter bores on the surfaces of the geometric solid respectively;
(2) and (4) putting the model with the magnetic sheets into a curing box for curing, and successfully magnetizing the model after curing.
Further, the unit basic geometric bodies with the magnetized surfaces are freely combined in a grid mode to generate a new combined body model; the method specifically comprises the following steps:
(1) selecting a model with mutually attracted external magnetic poles for combination;
(2) selecting surfaces with the same surface area and shape for attaching, for example, the cylindrical surface and the cylindrical surface are attracted, and the plane are attracted;
(3) and performing modular combination on the geometric figure models according to the requirements of users (as shown in figures 4-6).
The combination body model gridding unit division principle of the invention is as follows: the combined body is a model of an engineering body, and any complex object is formed by combining a plurality of basic geometric solids according to a certain form and relative positions from the perspective of body analysis. The common basic geometric solid comprises geometric solids such as prisms, pyramids, cylinders, cones, spheres, circular ring bodies, concave circular arc unit bodies, convex circular arc unit bodies and the like, and the size parameters of various basic geometric solids are uniformly designed and planned according to the principle of alignment and combination of grid checkerboards to form grid type unit bodies.
Wherein the surface of the grid unit cells is magnetized in relation to the present invention; the combination body is formed by combining basic geometric solids and is divided into three forms of superposition, cutting and synthesis. The grid unit bodies are combined and connected mainly in a superposition mode, and the connection mode of each connection interface is attracted by using the magnetic principle to realize the quick assembly and disassembly change of the combined body. Shallow counter bores are designed on the surfaces of the grid unit bodies and used for embedding thin magnets, and the magnet sheets are coplanar with the surfaces of the grid unit bodies, so that the magnetization effect of the surfaces of the grid unit bodies is realized, and the integrity of the surfaces of the combined model is also ensured. The assembly is flexibly assembled by utilizing the magnetic attraction principle, a disassembling tool is not needed, the operation is simple, convenient and efficient, the surface bonding is firm, and the service life is long.
The grid unit body 3D printing and manufacturing method comprises the following steps: the grid unit bodies can be manufactured and formed by 3D printing, and the light-weight requirements of the integral structure of the bottle-shaped thin-wall cavity and the model can be met. The requirement of printing equipment is not high, and the desktop 3D printer can be accomplished, can make things convenient for user DIY independent creative design and 3D to print.

Claims (5)

1. A method for manufacturing a grid combined type graphic model based on a magnetism principle is characterized by comprising the following steps:
firstly, 3D modeling of a basic unit geometry;
secondly, performing 3D printing molding on the basic geometric solid according to the model data to manufacture and shape;
thirdly, carrying out surface magnetization treatment on the unit basic geometric model;
fourthly, freely combining the magnetized unit body models in a grid-type modularization mode to generate a new combined body model;
and fifthly, observing the forming process of the relevant intersecting lines and intersecting lines of the inner surface and the outer surface of the new combined body model, and analyzing the view projection characteristics.
2. The method for making a combined magnetic mesh graphical model of claim 1, wherein:
the basic unit geometry 3D modeling specifically comprises the following steps: and establishing 3D models of various unit basic geometric bodies, designing thin-wall cavities of the basic geometric bodies, and carrying out shallow counter bore thinning design on each outer surface.
3. The method for making a combined magnetic mesh graphical model of claim 1, wherein:
carry out 3D printing shaping preparation shaping to basic geometry, specifically do:
(1) the geometric body is formed by 3D printing through a printer and ChiTuBox slicing software;
(2) installing ChiTuBox slicing software, and setting printing parameters such as layer thickness, lifting distance, lifting speed and the like according to the precision grade requirement of the geometric body;
(3) importing a model STL file, setting a printing support, starting slicing, and storing a zip format;
(4) connecting the generated zip compressed packet with a 3D printer through a U disk or connecting the zip compressed packet with the same area to be uploaded to the 3D printer through the network;
(5) leveling a 3D printer platform, pouring resin, and starting printing;
(6) after printing was completed, the mold was printed by washing with 95% alcohol in an ultrasonic machine and then curing using a curing oven.
4. The method for making a combined magnetic mesh graphical model of claim 1, wherein:
carrying out surface magnetization treatment on the unit basic geometric model; when the model structure is designed, shallow counter bores designed on the outer surfaces are used for mounting the sheet magnet and carrying out surface magnetization treatment, and the magnetic sheet mounting modes comprise interference fit and adhesive joint; when the magnetic sheets are installed, the outward magnetic polarities of the magnetic sheets of each model are kept consistent; the specific magnetizing steps are as follows:
(1) cleaning the physical model of the basic geometric solid by alcohol, and pressing the magnetic sheets into the counter bores on the surfaces of the geometric solid respectively;
(2) and (4) putting the model with the magnetic sheets into a curing box for curing, and successfully magnetizing the model after curing.
5. The method for making a combined magnetic mesh graphical model of claim 1, wherein:
the unit basic geometric bodies with magnetized surfaces are freely combined according to a grid mode to generate a new combined body model; the method specifically comprises the following steps:
(1) selecting a model with mutually attracted external magnetic poles for combination;
(2) selecting the same surface area and shape for fitting
(3) The user can modularly combine the geometric figure models according to the requirement.
CN202010405546.0A 2020-05-14 2020-05-14 Method for manufacturing grid combined type graphic model based on magnetism principle Pending CN111597599A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115256948A (en) * 2022-07-29 2022-11-01 杭州易绘科技有限公司 Generation method and device for personalized 3D printing Luban lock

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM249710U (en) * 2002-10-01 2004-11-11 Jian Sheng Whelp Education Lib Improved structure of magnetic building blocks
DE202007000493U1 (en) * 2007-01-12 2007-06-06 Kahmann, Iris Teaching aid, for children to understand geometry, has a number of geometric bodies to be covered by shaped colored nets to give the outlines of the shapes
CN201749608U (en) * 2010-05-31 2011-02-16 天津大学 Split-type assembly training and teaching model
CN202258146U (en) * 2011-09-27 2012-05-30 梁水 System sign with improved structure
CN203263189U (en) * 2013-05-16 2013-11-06 陆惠民 Kitchen magnetic knife holder
CN203825886U (en) * 2014-05-09 2014-09-10 聂涛 Mathematic stereo model combination teaching aid for students
CN205541598U (en) * 2016-01-19 2016-08-31 河南农业大学 Insect adult brain model that can disassemble
CN107545091A (en) * 2016-12-21 2018-01-05 中南大学 A kind of dismantled and assembled Multi-Component Phase Diagram model and its preparation method and application
CN207425197U (en) * 2017-08-01 2018-05-29 曲靖医学高等专科学校 A kind of magnetic force model based on cranium brain anatomical structure
CN108831270A (en) * 2018-06-29 2018-11-16 沈阳东软医疗系统有限公司 A kind of head model
CN110605853A (en) * 2019-10-22 2019-12-24 珠海赛纳三维科技有限公司 Three-dimensional organ model, printing method and printing device for three-dimensional organ model and printing equipment
CN209967687U (en) * 2019-05-31 2020-01-21 伍小雄 Arbitrarily spliced magnetic module building block

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM249710U (en) * 2002-10-01 2004-11-11 Jian Sheng Whelp Education Lib Improved structure of magnetic building blocks
DE202007000493U1 (en) * 2007-01-12 2007-06-06 Kahmann, Iris Teaching aid, for children to understand geometry, has a number of geometric bodies to be covered by shaped colored nets to give the outlines of the shapes
CN201749608U (en) * 2010-05-31 2011-02-16 天津大学 Split-type assembly training and teaching model
CN202258146U (en) * 2011-09-27 2012-05-30 梁水 System sign with improved structure
CN203263189U (en) * 2013-05-16 2013-11-06 陆惠民 Kitchen magnetic knife holder
CN203825886U (en) * 2014-05-09 2014-09-10 聂涛 Mathematic stereo model combination teaching aid for students
CN205541598U (en) * 2016-01-19 2016-08-31 河南农业大学 Insect adult brain model that can disassemble
CN107545091A (en) * 2016-12-21 2018-01-05 中南大学 A kind of dismantled and assembled Multi-Component Phase Diagram model and its preparation method and application
CN207425197U (en) * 2017-08-01 2018-05-29 曲靖医学高等专科学校 A kind of magnetic force model based on cranium brain anatomical structure
CN108831270A (en) * 2018-06-29 2018-11-16 沈阳东软医疗系统有限公司 A kind of head model
CN209967687U (en) * 2019-05-31 2020-01-21 伍小雄 Arbitrarily spliced magnetic module building block
CN110605853A (en) * 2019-10-22 2019-12-24 珠海赛纳三维科技有限公司 Three-dimensional organ model, printing method and printing device for three-dimensional organ model and printing equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115256948A (en) * 2022-07-29 2022-11-01 杭州易绘科技有限公司 Generation method and device for personalized 3D printing Luban lock

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Application publication date: 20200828