CN113303574A - Manufacturing method and application of assembly-free mechanical mechanism - Google Patents
Manufacturing method and application of assembly-free mechanical mechanism Download PDFInfo
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- CN113303574A CN113303574A CN202110577659.3A CN202110577659A CN113303574A CN 113303574 A CN113303574 A CN 113303574A CN 202110577659 A CN202110577659 A CN 202110577659A CN 113303574 A CN113303574 A CN 113303574A
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- additive manufacturing
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 67
- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 239000000654 additive Substances 0.000 claims abstract description 51
- 230000000996 additive effect Effects 0.000 claims abstract description 50
- 238000005516 engineering process Methods 0.000 claims description 40
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 11
- 230000008018 melting Effects 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 229910010293 ceramic material Inorganic materials 0.000 claims description 7
- 238000000016 photochemical curing Methods 0.000 claims description 6
- 238000007639 printing Methods 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- 238000010146 3D printing Methods 0.000 claims description 5
- 229910000906 Bronze Inorganic materials 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 230000008021 deposition Effects 0.000 claims description 4
- 238000010894 electron beam technology Methods 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 238000010884 ion-beam technique Methods 0.000 claims description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 4
- 229910001316 Ag alloy Inorganic materials 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 229910000640 Fe alloy Inorganic materials 0.000 claims description 2
- 239000004677 Nylon Substances 0.000 claims description 2
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 2
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 20
- 230000008569 process Effects 0.000 abstract description 13
- 238000005266 casting Methods 0.000 abstract description 9
- 239000000919 ceramic Substances 0.000 description 17
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 239000000843 powder Substances 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 6
- 239000002994 raw material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000005238 degreasing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C27/00—Making jewellery or other personal adornments
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
- Adornments (AREA)
Abstract
The invention belongs to the technical field of additive manufacturing, and particularly relates to a manufacturing method and application of an assembly-free mechanical mechanism. The method comprises the following steps: preparing a structural member by a first additive manufacturing method; preparing connecting pieces by using a second additive manufacturing method, and stopping the second additive manufacturing method when the linear distance between the two connecting pieces is smaller than the length of the two ends of the structural piece or the diameter of the connecting piece is larger than the diameter of the connecting piece; and placing the structural part between the two connecting parts, and continuing the second additive manufacturing method to prepare the connecting part. The manufacturing method of the assembly-free mechanical mechanism solves the technical problems that the existing traditional casting and manual processes for manufacturing jewelry with complex shapes are not fine enough, the cost is high, the period is long, and the firmness is poor.
Description
Technical Field
The invention relates to the technical field of additive manufacturing, in particular to a manufacturing method and application of an assembly-free mechanical mechanism.
Background
At present, the manufacturing mode of the jewelry is mainly traditional casting and manual process, and particularly, the jewelry products of single or multiple materials with complex shapes are basically spliced by hands.
If a piece of jewelry is prepared, not only all parts of the jewelry are processed, but also the parts of the jewelry are assembled through subsequent riveting, threaded connection, pin connection and the like. For the jewelry with complex shape, the fineness of the traditional casting and manual process preparation is not high, the preparation cost is high and the period is long for the jewelry with individual requirements, and meanwhile, because the parts of the jewelry are usually made of various materials, the properties of various materials are inconsistent and the compatibility is poor, the parts of the jewelry prepared by the traditional casting and manual process are not firm enough and are easy to disintegrate. Therefore, the existing traditional casting and manual processes for preparing jewelry with complex shapes have the disadvantages of low fineness, high cost, long period and poor firmness.
Disclosure of Invention
In view of the above, the invention aims to provide a manufacturing method of an assembly-free mechanical mechanism and an application thereof, which are used for solving the technical problems of the existing traditional casting and manual processes that jewelry with complex shapes is not fine enough, the cost is high, the period is long, and the firmness is poor.
The application provides a manufacturing method for preparing the assembly-free mechanical structure assembly-free mechanical mechanism through an additive manufacturing method.
Preferably, the method for manufacturing the assembly-free mechanical structure by the additive manufacturing method specifically comprises the following steps:
step 1, designing a mechanical mechanism through computer three-dimensional software;
step 2, preparing a finished structural part by a first additive manufacturing method;
step 3, preparing connecting pieces through a second additive manufacturing method, and stopping the second additive manufacturing method when the linear distance between the two connecting pieces is smaller than the length of the two ends of the structural piece;
and 4, placing the structural part between the two connecting parts, and continuing to prepare the connecting part by the second additive manufacturing method.
Preferably, the method for manufacturing the assembly-free mechanical structure by the additive manufacturing method specifically comprises the following steps:
step 1, designing a mechanical mechanism through computer three-dimensional software;
step 2, preparing a finished structural part by a first additive manufacturing method;
step 3, preparing a connecting piece through a second additive manufacturing method, and stopping the second additive manufacturing method when the diameter of the structural piece is larger than that of the connecting piece;
and 4, placing the structural part between the two connecting parts, and continuing to prepare the connecting part by the second additive manufacturing method.
Preferably, the mechanical mechanism is a ring buckling and/or adhesion splicing mechanism.
Preferably, the mechanical mechanism is a large ball sleeve and small ball mechanism.
Preferably, the structural member is one or more of a metal material, a ceramic material and plastic.
Preferably, the metal material is one or more of bronze alloy, aluminum alloy, titanium alloy, iron alloy, stainless steel, silver alloy and gold, K gold and platinum.
Preferably, the ceramic material is one or more of zirconia, alumina, silicon carbide, titanium nitride, titanium carbide, titanium carbonitride, aluminum nitride and silicon nitride.
Preferably, the plastic material is one or more of acrylonitrile butadiene styrene, polycarbonate and nylon.
Preferably, the first additive manufacturing method is any one or more of a selective laser technology, an electron beam selective technology, a plasma selective technology, an ion beam selective technology, a sintering/melting technology, a photocuring molding technology, a three-dimensional printing technology, a micro-jet printing technology and a fused deposition molding technology;
the second additive manufacturing method is any one or more of a selective laser, an electron beam selective technology, a plasma selective technology, an ion beam selective technology, a sintering/melting technology, a photocuring forming technology, a three-dimensional printing technology, a micro-jet printing technology and a fused deposition forming technology;
the application provides the application of the manufacturing method of the assembly-free mechanical mechanism in the fields of jewelry and intelligent wearing.
Compared with the prior art, the method has the following beneficial effects.
1. Compared with the traditional method for preparing the jewelry by casting and manual processes, the method for preparing the jewelry by the additive manufacturing method can prepare the jewelry without assembly and seamless connection, the additive manufacturing method gets rid of the limitation of a mould, the jewelry with complex shape and fine and flexible structure can be prepared according to individual needs at low cost and short period, and meanwhile, the jewelry has good firmness because no gap exists between the parts of the jewelry.
2. The application provides a through-additive manufacturing method, which is suitable for the fields including but not limited to jewelry and intelligent wearing, and the selected materials include but not limited to metal materials, ceramic materials and plastic materials.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 shows an assembly-free mechanical mechanism prepared in example 1 of the present application.
Fig. 2 is a schematic view of a machine mechanism for manufacturing an assembly-free device according to embodiment 1 of the present application.
Fig. 3 is a model diagram of an assembly-free mechanical mechanism prepared in example 2 of the present application.
Detailed Description
The application provides a manufacturing method of an assembly-free mechanical mechanism and application thereof, and is used for solving the technical problems of insufficient fineness, high cost, long period and poor firmness of the existing traditional casting and manual process for preparing jewelry with complex shapes.
The technical solutions in the embodiments of the present application will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example 1:
1. preparing the raw materials
The metal raw material is Cu-10Sn gas atomized spherical powder, and the additive manufacturing technology is selected as a Selective Laser Melting (SLM) technology. The ceramic material is selected from zirconia ceramic powder, and the additive manufacturing technology is a photocuring forming process. The metal-ceramic connection structure is in the form of a ring snap ring.
2. Bracelet step for preparing zirconia ceramic-bronze alloy
The figure of the prepared zirconia ceramic-bronze alloy bracelet finished product is shown in figure 1, and the preparation process comprises the following steps: firstly, resin-based zirconia ceramic slurry is selected and formed in a DLP forming machine, then ceramic rings are obtained after degreasing and sintering, then corresponding debugging is carried out on the positions of the metal rings in three-dimensional software, in the Selective Laser Melting (SLM) forming process, the metal parts are suspended after the printing height reaches a certain degree and the ceramic rings prepared in advance are connected in a sleeved mode, at the moment, the distance between the metal rings is smaller than the length of the ceramic rings, and after the ceramic rings are sleeved in the metal rings, the ceramic rings are completely embedded into a powder bed, the powder paving movement of an SLM cannot be influenced, so that 3D printing is continuously carried out, parts in seamless connection between ceramics and metals can be prepared, and a process flow diagram is shown in figure 2.
Example 2:
1. preparing the raw materials
The metal raw material is 925Ag atomized spherical powder, and the additive manufacturing technology is selected from Selective Laser Melting (SLM). The ceramic material is selected from zirconia ceramic powder, and the additive manufacturing technology is a photocuring forming process. The metal-ceramic connection structure is a mode that a large ball is sleeved with a small ball.
2. Lantern step for preparing zirconia ceramic-bronze alloy
The lantern three-dimensional structure diagram of the prepared zirconia ceramic-silver alloy is shown in figure 3, and the preparation process comprises the following steps: firstly, resin-based zirconia ceramic slurry is selected and formed in a DLP forming machine, then ceramic balls are obtained after degreasing and sintering, then in the Selective Laser Melting (SLM) forming process, the height of a metal hollow ball is slightly larger than the diameter of the ceramic ball, the section diameter of the hollow ball at the height is slightly larger than the diameter of the ceramic ball, so that the ceramic ball can be completely placed in metal powder, and printing is continuously carried out until the lantern parts in seamless connection between the ceramic and the metal are finished.
As can be understood from the foregoing embodiments 1 and 2, in the present application, a connecting piece made of one material is prepared by additive manufacturing, then a suitable additive manufacturing technology is selected to prepare a connecting piece made of another material, and the structure prepared by the former is put into the preparation process, so that according to the characteristics of additive manufacturing technologies, the integrated molding of connecting pieces made of different materials and having complex shapes can be finally realized. The multi-material integrated forming method prepared by the invention has the advantages of seamless connection, no need of a mould and the like, can be widely applied to the fields of jewelry, intelligent wearing and the like, and needs the traditional mechanical casting and manual process to compare, thereby reducing the cost for preparing a mechanical mechanism with a complex shape, shortening the preparation period and having good firmness.
The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims (10)
1. A method of manufacturing an assembly-free mechanical structure, characterized in that the assembly-free mechanical structure is prepared by an additive manufacturing method.
2. The additive manufacturing method according to claim 1, wherein the specific steps of preparing the assembly-free mechanical structure by the additive manufacturing method comprise:
step 1, designing a mechanical mechanism through computer three-dimensional software;
step 2, preparing a finished structural part by a first additive manufacturing method;
step 3, preparing connecting pieces through a second additive manufacturing method, and stopping the second additive manufacturing method when the linear distance between the two connecting pieces is smaller than the length of the two ends of the structural piece;
and 4, placing the structural part between the two connecting parts, and continuing the second additive manufacturing method to prepare the connecting part.
3. The additive manufacturing method according to claim 1, wherein the specific steps of preparing the assembly-free mechanical structure by the additive manufacturing method comprise:
step 1, designing a mechanical mechanism through computer three-dimensional software;
step 2, preparing a finished structural part by a first additive manufacturing method;
step 3, preparing a connecting piece through a second additive manufacturing method, and stopping the second additive manufacturing method when the diameter of the structural piece is larger than that of the connecting piece;
and 4, placing the structural part between the connecting pieces, and continuing the second additive manufacturing method to prepare the connecting piece.
4. The additive manufacturing method according to claim 2, wherein the mechanical mechanism is a loop-and-loop snap and/or stick splice mechanism.
5. The additive manufacturing method of claim 3, wherein the mechanical mechanism is a large ball-in-small ball mechanism.
6. The additive manufacturing method according to claim 2 or 3, wherein the structural member is one or more of a metal material, a ceramic material and a plastic;
the metal material is one or more of bronze alloy, aluminum alloy, titanium alloy, iron alloy, stainless steel, silver alloy, gold, K gold and platinum.
7. The additive manufacturing method of claim 5, wherein the ceramic material is one or more of zirconia, alumina, silicon carbide, titanium nitride, titanium carbide, titanium carbonitride, aluminum nitride, and silicon nitride.
8. The additive manufacturing method of claim 5, wherein the plastic material is one or more of acrylonitrile butadiene styrene, polycarbonate, and nylon.
9. Additive manufacturing method according to claim 2 or 3,
the first additive manufacturing method is any one or more of a selective laser, an electron beam selective technology, a plasma selective technology, an ion beam selective technology, a sintering/melting technology, a photocuring forming technology, a three-dimensional printing technology, a micro-jet printing technology and a fused deposition forming technology;
the second additive manufacturing method is any one or more of a selective laser, an electron beam selective technology, a plasma selective technology, an ion beam selective technology, a sintering/melting technology, a photocuring forming technology, a three-dimensional printing technology, a micro-jet printing technology and a fused deposition forming technology.
10. Use of the additive manufacturing method according to any one of claims 1-9 in the field of jewelry, smart wear.
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CN202110577659.3A CN113303574A (en) | 2021-05-26 | 2021-05-26 | Manufacturing method and application of assembly-free mechanical mechanism |
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CN202110577659.3A CN113303574A (en) | 2021-05-26 | 2021-05-26 | Manufacturing method and application of assembly-free mechanical mechanism |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101941070A (en) * | 2010-09-28 | 2011-01-12 | 华南理工大学 | Once-forming direct making method of assembly-free mechanical mechanism and application thereof |
CN103707508A (en) * | 2013-12-18 | 2014-04-09 | 上海地慧光电科技有限公司 | Three-dimensional endless chain making device |
CN203637193U (en) * | 2013-12-18 | 2014-06-11 | 上海地慧光电科技有限公司 | Annular chain production device |
CN109676136A (en) * | 2018-12-12 | 2019-04-26 | 超创网络科技(深圳)有限公司 | A kind of laser gain material manufacturing method for jewelry or the art work |
CN111618298A (en) * | 2020-04-30 | 2020-09-04 | 中北大学 | Efficient collaborative material increase manufacturing method for multi-material variable-stiffness structure |
-
2021
- 2021-05-26 CN CN202110577659.3A patent/CN113303574A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101941070A (en) * | 2010-09-28 | 2011-01-12 | 华南理工大学 | Once-forming direct making method of assembly-free mechanical mechanism and application thereof |
CN103707508A (en) * | 2013-12-18 | 2014-04-09 | 上海地慧光电科技有限公司 | Three-dimensional endless chain making device |
CN203637193U (en) * | 2013-12-18 | 2014-06-11 | 上海地慧光电科技有限公司 | Annular chain production device |
CN109676136A (en) * | 2018-12-12 | 2019-04-26 | 超创网络科技(深圳)有限公司 | A kind of laser gain material manufacturing method for jewelry or the art work |
CN111618298A (en) * | 2020-04-30 | 2020-09-04 | 中北大学 | Efficient collaborative material increase manufacturing method for multi-material variable-stiffness structure |
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Application publication date: 20210827 |