CN115195105A - Supplementary shaping tubulose gas mould of 3D vibration material disk - Google Patents
Supplementary shaping tubulose gas mould of 3D vibration material disk Download PDFInfo
- Publication number
- CN115195105A CN115195105A CN202210702446.3A CN202210702446A CN115195105A CN 115195105 A CN115195105 A CN 115195105A CN 202210702446 A CN202210702446 A CN 202210702446A CN 115195105 A CN115195105 A CN 115195105A
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- Prior art keywords
- printing
- workpiece
- photosensitive resin
- layer
- film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims description 14
- 238000007493 shaping process Methods 0.000 title claims description 3
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 239000011347 resin Substances 0.000 claims abstract description 16
- 229920005989 resin Polymers 0.000 claims abstract description 16
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000010146 3D printing Methods 0.000 claims abstract description 11
- 239000000654 additive Substances 0.000 claims abstract description 9
- 230000000996 additive effect Effects 0.000 claims abstract description 9
- 238000000016 photochemical curing Methods 0.000 claims abstract description 4
- 238000007639 printing Methods 0.000 claims description 18
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims description 6
- 229910052731 fluorine Inorganic materials 0.000 claims description 6
- 239000011737 fluorine Substances 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims description 6
- 230000008023 solidification Effects 0.000 claims description 6
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 3
- 238000001723 curing Methods 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Classifications
-
- 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
- B29C64/112—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
-
- 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
- B29C64/30—Auxiliary operations or equipment
-
- 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
- B33Y10/00—Processes of additive manufacturing
-
- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
-
- 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
- B33Y80/00—Products made by additive manufacturing
Landscapes
- 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 relates to the technical field of composite materials, in particular to a 3D additive manufacturing auxiliary forming tubular gas mold, which adopts a photocuring 3D printing process mode of an internal workpiece compared with the prior art; under the control of digital signals, liquid photosensitive resin in a nozzle working cavity instantly forms liquid drops, the liquid drops are sprayed out from a nozzle to a specified position at a certain speed and frequency under the action of pressure, then the photosensitive resin is cured through ultraviolet light, and the cured photosensitive resin is stacked layer by layer to obtain a forming core mold part; the high-hardness high-pressure-bearing steel has high bearing pressure, high hardness, low surface tension and excellent demolding performance; the three-dimensional printing machine has the advantages of fitting shape following performance, extraction convenience, rapidness, one-time forming by using a 3D printing technology, high automation degree and accordingly improved production efficiency and economic benefit; the formed part has high precision and high temperature resistance.
Description
Technical Field
The invention relates to the technical field of composite materials, in particular to a tubular gas mold formed by assisting in 3D material increase manufacturing.
Background
The air mould for auxiliary forming of the composite material in the prior art adopts a sand core mould or a rubber mould and the like, and has the problems of difficult extraction, high demoulding difficulty and the like after forming with a composite material forming product.
Disclosure of Invention
In order to solve the defects and problems of a composite material auxiliary forming gas mold in the prior art, a 3D material increase manufacturing auxiliary forming tubular gas mold is provided.
The technical scheme adopted by the invention for solving the technical problem is as follows: the invention relates to a technological mode of photocuring 3D printing an internal workpiece, which is adopted by a 3D additive manufacturing auxiliary forming tubular gas mould; under the control of digital signal, the liquid photosensitive resin in the nozzle cavity forms liquid drops instantaneously, the liquid photosensitive resin is jetted out from the nozzle to a specified position at a certain speed and frequency under the action of pressure, then the photosensitive resin is cured by ultraviolet light, and the cured photosensitive resin is piled layer by layer to obtain the forming core mold part.
The forming process comprises the following steps:
(1) Designing a three-dimensional graph of the part according to the shape of the section of the part, controlling a printing fast spray head to move along a X, Y axis, printing an entity material in a related entity area of a set section, printing a support material in a support area, and curing under the irradiation of ultraviolet light;
(2) Then the printing platform descends by a certain height along the Z axis, the nozzle prints and solidifies the next layer, and the printing and solidification are carried out layer by layer until the workpiece is finished;
(3) Finally, removing the supporting material in the workpiece to obtain the required workpiece;
(4) The glass fiber rod or the carbon fiber rod with the customized size is inserted into the workpiece to serve as a connector and a reinforcing rib;
(5) And the outer contraction film is extruded by a fluorine film or a fluorine and nylon composite film to carry out secondary expansion to prepare an outer air bag film with thermal contraction, and the outer air bag film is tightly attached to a workpiece by heating to form a complete air mould.
The invention has the beneficial effects that: compared with the prior art, the 3D additive manufacturing auxiliary forming tubular air mould is an air mould which is used for assisting a special-shaped tubular composite material forming process, when the air mould is used, a wire (a tape) can be automatically paved or manually paved on the air mould directly, so that a carbon fiber composite material (cloth) is uniformly wrapped on the air mould, when the air mould is formed at a high temperature, an outer air bag film is inflated and pressurized, the outer bag film and a workpiece outer mould are expanded to pressurize under the combined action of pressurization, so that resin uniformly flows and solidifies, the final forming is carried out, the pressure is relieved after the forming and cooling, an inner workpiece is pumped and collapsed through vacuumizing, and the inner workpiece and the bag film are taken out together, so that the integral adaptation degree is high, the use and the operation are convenient, and the 3D additive manufacturing auxiliary forming tubular air mould has the following advantages: the bearing pressure of more than or equal to 800N of manual fiber laying or manual fiber laying and tape laying can be borne; the hardness can reach more than 60 Shore A; low surface tension, surface tension less than 30dyne/cm and excellent demoulding property; the shape following performance of the fitting is realized, and the molding requirement of the special-shaped pipe fitting can be met; the workpiece in the inner layer is adsorbed by vacuum negative pressure through the non-stick property of the outer layer, so that the workpiece is collapsed and cracked, and then all parts of the workpiece are taken out. The method can ensure no residue and no appearance structure damage after being taken out; by utilizing the 3D printing technology, the method can be formed at one time, so that various steps such as die sinking and the like are avoided, but the requirement on data design is relatively high; the automatic operation and solidification can be realized, and the automation degree of production is improved, so that the production efficiency and the economic benefit are improved; the precision of the formed part is high, and because the 3D printing utilizes a numerical control system, the printing temperature, the layering thickness, the extrusion speed, the filling speed and the like need to be controlled, and higher precision can be achieved; the outer bag film has high temperature resistance, and can resist temperature more than or equal to 150 ℃ for a long time (2-10 hours).
The specific implementation mode is as follows:
the invention relates to a technological mode of photocuring 3D printing an internal workpiece, which is adopted by a 3D additive manufacturing auxiliary forming tubular gas mould; under the control of digital signal, the liquid photosensitive resin in the nozzle work cavity forms liquid drops instantaneously, the liquid drops are sprayed out from the nozzle to a specified position at a certain speed and frequency under the action of pressure, then the photosensitive resin is cured by ultraviolet light, and the cured photosensitive resin is stacked layer by layer to obtain the forming core mold part.
The forming process comprises the following steps:
(1) Designing a three-dimensional graph of the part according to the shape of the section of the part, controlling a printing fast spray head to move along a X, Y axis, printing an entity material in a related entity area of a set section, printing a support material in a support area, and curing under the irradiation of ultraviolet light;
(2) Then the printing platform descends a certain height along the Z axis, the spray head prints and solidifies the next layer, and the printing and solidification are carried out layer by layer until the workpiece is finished;
(3) Finally, removing the supporting material in the workpiece to obtain the required workpiece;
(4) The glass fiber rod or the carbon fiber rod with the customized size is inserted into the workpiece to serve as a connector and a reinforcing rib;
(5) And the outer contraction film is extruded by a fluorine film or a fluorine and nylon composite film to carry out secondary expansion to prepare an outer air bag film with thermal contraction, and the outer air bag film is tightly attached to a workpiece by heating to form a complete air mould.
The tubular gas mold formed by assisting in 3D additive manufacturing has the following advantages:
1. the bearing pressure of more than or equal to 800N of manual fiber laying or manual fiber laying and tape laying can be borne; the hardness can reach more than 60 Shore A.
2. Low surface tension, surface tension less than 30dyne/cm and excellent demoulding property.
3. The shape following property of the joint is realized, and the modeling requirement of the special-shaped pipe fitting can be met.
4. The workpiece in the inner layer is adsorbed by vacuum negative pressure through the non-stick property of the outer layer, so that the workpiece is collapsed and cracked, and then all parts of the workpiece are taken out. The method can ensure no residue and no appearance structure damage after being taken out.
5. Rapidity of operation
By utilizing the 3D printing technology, the method can be formed at one time, so that various steps such as mold opening and the like are avoided, but the requirement on data design is relatively high.
6. Automation
The automatic operation and solidification can be realized, and the automation degree of production is improved, so that the production efficiency and the economic benefit are improved.
7. High precision of formed part
Because 3D prints and utilizes numerical control system, need control printing temperature, layering thickness, extrusion speed and filling speed etc. well, can accomplish higher precision.
8. The outer bag film has high temperature resistance, and can resist temperature more than or equal to 150 ℃ for a long time (2-10 hours).
In summary, compared with the prior art, the 3D additive manufacturing auxiliary forming tubular air mold provided by the invention is an air mold used for assisting a special-shaped tubular composite material forming process, when in use, a carbon fiber composite material (cloth) can be uniformly wrapped on the air mold by automatically laying wires (laying tapes) or manually laying the tapes on the air mold, when in high-temperature forming, the outer air bag film is inflated and pressurized, the outer bag film is pressurized by expansion and the outer mold of a workpiece under the combined action, so that the resin is uniformly fluidized and solidified, and finally formed, and the pressure is released after the forming and cooling, and the inner workpiece is collapsed and embrittled by vacuumizing and taken out together with the bag film, so that the integral adaptation degree is high, the use and the operation are convenient, and the 3D additive manufacturing auxiliary forming tubular air mold has the following advantages: the bearing pressure of more than or equal to 800N of manual fiber laying or manual fiber laying and tape laying can be borne; the hardness can reach more than 60 Shore A; low surface tension, surface tension less than 30dyne/cm, excellent mold release property; the shape following performance of the fitting is realized, and the molding requirement of the special-shaped pipe fitting can be met; the workpiece in the inner layer is adsorbed by vacuum negative pressure through the non-stick property of the outer layer, so that the workpiece is collapsed and cracked, and then all parts of the workpiece are taken out. The method can ensure no residue and no appearance structure damage after being taken out; by utilizing the 3D printing technology, the method can be formed at one time, so that various steps such as die sinking and the like are avoided, but the requirement on data design is relatively high; the automatic operation and solidification can be realized, and the automation degree of production is improved, so that the production efficiency and the economic benefit are improved; the precision of the formed part is high, and because the 3D printing utilizes a numerical control system, the printing temperature, the layering thickness, the extrusion speed, the filling speed and the like need to be controlled, and higher precision can be achieved; the outer bag film has high temperature resistance, and can resist temperature more than or equal to 150 ℃ for a long time (2-10 hours).
The present invention has been described in accordance with embodiments thereof with the understanding that the present invention is not limited thereto but rather it is to be understood that variations and/or modifications may be made by those skilled in the art without departing from the scope of the invention as defined by the appended claims, and any such modifications, equivalents and the like as fall within the true spirit and scope of the invention.
Claims (2)
1. The utility model provides a 3D vibration material disk assists shaping tubulose gas mould which characterized in that: adopting a technological mode of photocuring 3D printing of internal workpieces; under the control of digital signal, the liquid photosensitive resin in the nozzle cavity forms liquid drops instantaneously, the liquid photosensitive resin is jetted out from the nozzle to a specified position at a certain speed and frequency under the action of pressure, then the photosensitive resin is cured by ultraviolet light, and the cured photosensitive resin is piled layer by layer to obtain the forming core mold part.
2. The 3D additive manufacturing auxiliary forming tubular air mold according to claim 1, wherein the forming process comprises the following steps:
(1) Designing a three-dimensional graph of the part according to the shape of the section of the part, controlling a printing fast spray head to move along a X, Y axis, printing an entity material in a related entity area of a set section, printing a support material in a support area, and curing under the irradiation of ultraviolet light;
(2) Then the printing platform descends a certain height along the Z axis, the spray head prints and solidifies the next layer, and the printing and solidification are carried out layer by layer until the workpiece is finished;
(3) Finally, removing the supporting material in the workpiece to obtain the required workpiece;
(4) The glass fiber rods or the carbon fiber rods with customized sizes are inserted into the workpiece to serve as a connector and a reinforcing rib;
(5) And the outer contraction film is extruded by a fluorine film or a fluorine and nylon composite film to carry out secondary expansion to prepare an outer air bag film with thermal contraction, and the outer air bag film is tightly attached to a workpiece by heating to form a complete air mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210702446.3A CN115195105A (en) | 2022-06-21 | 2022-06-21 | Supplementary shaping tubulose gas mould of 3D vibration material disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210702446.3A CN115195105A (en) | 2022-06-21 | 2022-06-21 | Supplementary shaping tubulose gas mould of 3D vibration material disk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115195105A true CN115195105A (en) | 2022-10-18 |
Family
ID=83576379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210702446.3A Pending CN115195105A (en) | 2022-06-21 | 2022-06-21 | Supplementary shaping tubulose gas mould of 3D vibration material disk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115195105A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005059225A (en) * | 2003-08-12 | 2005-03-10 | Sumitomo Rubber Ind Ltd | Method and apparatus for manufacturing tubular article and tubular article |
| CN1799821A (en) * | 2006-01-16 | 2006-07-12 | 南京师范大学 | Method for manufacturing three-dimensional object by use of spray coating successively |
| JP2012091328A (en) * | 2010-10-25 | 2012-05-17 | Konica Minolta Business Technologies Inc | Method of manufacturing tubular material |
| CN103286955A (en) * | 2013-06-13 | 2013-09-11 | 宜兴市华恒高性能纤维织造有限公司 | Three-dimensional prefabricating body of multi-shape section combination |
| CN105015047A (en) * | 2014-04-24 | 2015-11-04 | 沈阳航空航天大学 | Preparation method for resin honeycomb sandwich structure and composite material structure thereof |
| CN105034361A (en) * | 2015-06-15 | 2015-11-11 | 清华大学 | Honeycomb core sandwich and preparation method thereof |
| CN108274780A (en) * | 2018-04-02 | 2018-07-13 | 天津工业大学 | A kind of forming method of hollow composite |
| CN108789965A (en) * | 2018-05-03 | 2018-11-13 | 威海光威复合材料股份有限公司 | A kind of 180 DEG C of lumen type mandrel molding methods |
| CN109366971A (en) * | 2018-09-20 | 2019-02-22 | 中南大学 | It is a kind of without support increasing material manufacturing method |
| CN111941827A (en) * | 2020-08-05 | 2020-11-17 | 中国电子科技集团公司第三十八研究所 | Method for manufacturing thin-wall special-shaped composite material bearing pipe |
| CN114043650A (en) * | 2021-12-02 | 2022-02-15 | 上海新旺科技有限公司 | Water-soluble core mould |
| CN114261087A (en) * | 2021-12-23 | 2022-04-01 | 西安交通大学 | 3D printing and 'spinning' demolding method for continuous fiber reinforced SMP (symmetrical multi-processing) composite material core mold |
-
2022
- 2022-06-21 CN CN202210702446.3A patent/CN115195105A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005059225A (en) * | 2003-08-12 | 2005-03-10 | Sumitomo Rubber Ind Ltd | Method and apparatus for manufacturing tubular article and tubular article |
| CN1799821A (en) * | 2006-01-16 | 2006-07-12 | 南京师范大学 | Method for manufacturing three-dimensional object by use of spray coating successively |
| JP2012091328A (en) * | 2010-10-25 | 2012-05-17 | Konica Minolta Business Technologies Inc | Method of manufacturing tubular material |
| CN103286955A (en) * | 2013-06-13 | 2013-09-11 | 宜兴市华恒高性能纤维织造有限公司 | Three-dimensional prefabricating body of multi-shape section combination |
| CN105015047A (en) * | 2014-04-24 | 2015-11-04 | 沈阳航空航天大学 | Preparation method for resin honeycomb sandwich structure and composite material structure thereof |
| CN105034361A (en) * | 2015-06-15 | 2015-11-11 | 清华大学 | Honeycomb core sandwich and preparation method thereof |
| CN108274780A (en) * | 2018-04-02 | 2018-07-13 | 天津工业大学 | A kind of forming method of hollow composite |
| CN108789965A (en) * | 2018-05-03 | 2018-11-13 | 威海光威复合材料股份有限公司 | A kind of 180 DEG C of lumen type mandrel molding methods |
| CN109366971A (en) * | 2018-09-20 | 2019-02-22 | 中南大学 | It is a kind of without support increasing material manufacturing method |
| CN111941827A (en) * | 2020-08-05 | 2020-11-17 | 中国电子科技集团公司第三十八研究所 | Method for manufacturing thin-wall special-shaped composite material bearing pipe |
| CN114043650A (en) * | 2021-12-02 | 2022-02-15 | 上海新旺科技有限公司 | Water-soluble core mould |
| CN114261087A (en) * | 2021-12-23 | 2022-04-01 | 西安交通大学 | 3D printing and 'spinning' demolding method for continuous fiber reinforced SMP (symmetrical multi-processing) composite material core mold |
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| PB01 | Publication | ||
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Application publication date: 20221018 |