CN114905732A - 3D printing anti-grafting forming manufacturing method of injection mold - Google Patents
3D printing anti-grafting forming manufacturing method of injection mold Download PDFInfo
- Publication number
- CN114905732A CN114905732A CN202210568464.7A CN202210568464A CN114905732A CN 114905732 A CN114905732 A CN 114905732A CN 202210568464 A CN202210568464 A CN 202210568464A CN 114905732 A CN114905732 A CN 114905732A
- Authority
- CN
- China
- Prior art keywords
- injection mold
- mold
- printing
- product
- mode
- 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
- 238000002347 injection Methods 0.000 title claims abstract description 155
- 239000007924 injection Substances 0.000 title claims abstract description 155
- 238000010146 3D printing Methods 0.000 title claims abstract description 67
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 42
- 238000012360 testing method Methods 0.000 claims abstract description 53
- 238000013461 design Methods 0.000 claims abstract description 46
- 238000000034 method Methods 0.000 claims abstract description 46
- 238000007689 inspection Methods 0.000 claims abstract description 21
- 238000001746 injection moulding Methods 0.000 claims abstract description 14
- 238000007639 printing Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims description 20
- 238000000465 moulding Methods 0.000 claims description 15
- 125000000174 L-prolyl group Chemical group [H]N1C([H])([H])C([H])([H])C([H])([H])[C@@]1([H])C(*)=O 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 11
- 238000005516 engineering process Methods 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 5
- 230000003044 adaptive effect Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 230000002950 deficient Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000011179 visual inspection Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims description 2
- 238000004088 simulation Methods 0.000 claims description 2
- 238000013024 troubleshooting Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 15
- 238000002360 preparation method Methods 0.000 abstract description 6
- 238000012797 qualification Methods 0.000 abstract description 5
- 238000004458 analytical method Methods 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 2
- 230000010076 replication Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
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
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3835—Designing moulds, e.g. using CAD-CAM
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
-
- 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
- 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
- B29C64/386—Data acquisition or data processing for 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
- 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
- B33Y40/20—Post-treatment, e.g. curing, coating or polishing
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a 3D printing inverse grafting forming manufacturing method of a mold for injection molding, which comprises the following manufacturing steps: step one, measuring an injection mold object: the staff uses measuring tool to measure data such as the specification and size of the whole injection mold material object and part, the gap tolerance, then utilize the high definition camera to carry out all-round shooting to the whole injection mold material object and part, be used for follow-up equipment to refer to, adopt and detect each item data parameter of the original injection mold material object in advance as the contrast, think about design and manuscript analysis mark to the injection mold part again, at last choose different modeling methods to carry out accurate three-dimensional modeling operation according to the complexity of injection mold part again, and utilize two kinds of inspection methods of instrument test and artifical contrast test to carry out accurate printing preparation to the 3D finished product part that finally makes, the precision and the quality of injection mold 3D printed part have been promoted, improve the finished product's of injection mold 3D preparation efficiency and qualification rate.
Description
Technical Field
The invention relates to the technical field of 3D printing and manufacturing of injection molds, in particular to a 3D printing anti-grafting forming manufacturing method of an injection mold.
Background
An injection mold is a tool for producing plastic products; the injection molding is a processing method used in batch production of parts with complex shapes, and specifically refers to injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure, cooling and solidifying to obtain a formed product, and performing 3D printing: one of the rapid prototyping technologies, also called additive manufacturing, is a technology for constructing an object by using a bondable material such as powdered metal or plastic and printing layer by layer on the basis of a digital model file.
With the increasing development of the existing 3D printing technology, the method can be used for manufacturing and processing the injection mold, when the 3D printing technology is used for molding and manufacturing the injection mold, because the injection mold has the requirements of appearance modeling, parting surface, gap specification and the like, different modeling methods can not be selected to carry out accurate three-dimensional modeling operation according to the complexity of injection mold parts, and two inspection modes of instrument testing and manual comparison testing are adopted, the method has the advantages that the 3D finished product of the injection mold is subjected to dual test auditing, so that the precision of the functional part is reduced from the aspects of three-dimensional modeling and finished product inspection of the injection mold part, the probability of quality problems of the 3D finished product of the injection mold is directly increased, the 3D printing and manufacturing material of the injection mold is wasted, more useless work is made, and the manufacturing efficiency of the 3D finished product of the injection mold is reduced.
Disclosure of Invention
The invention aims to provide a 3D printing inverse grafting forming manufacturing method of a mold for injection molding, which aims to solve the problems that when the 3D printing technology is used for forming and manufacturing the injection mold, different modeling methods cannot be selected according to the complexity of parts of the injection mold to perform accurate three-dimensional modeling operation, and two inspection modes of instrument testing and manual comparison testing are adopted, so that the quality and the efficiency are low.
In order to achieve the purpose, the invention provides the following technical scheme: A3D printing inverse grafting forming manufacturing method of a mold for injection molding comprises the following manufacturing steps:
step one, measuring an injection mold in real object: the working personnel use the measuring tool to measure the data of the whole injection mold object and the specification size, the gap tolerance and the like of the part, and then the high-definition camera is utilized to carry out all-dimensional shooting on the whole injection mold object and the part for subsequent assembly reference;
step two, integrally/sectionally designing the injection mold part: secondly, according to the data of the entity and the part of the injection mold obtained in the first step, a worker analyzes and designs the entity and the part of the injection mold one by one, performs manuscript description on paper, and marks the assembling and disassembling sequence labels of the structural parts on the design manuscript drawing of the injection mold;
step three, three-dimensional modeling of drawing software: then, the worker establishes a digital three-dimensional model for the designed injection mold part by using pro/E three-dimensional software, and then carries out layering processing on the digital three-dimensional model, namely, the digital three-dimensional model is divided into individual slice information;
step four, integral/segmented 3D printing of the parts: after the three-dimensional model is layered, the three-dimensional model can be divided into equal-layer thickness slices and adaptive slices according to a layering method, an STL file is formed, data information of each layer of STL file is read, a control program corresponding to the layer information is formulated, filling path information is generated, the layer information is communicated with a 3D printer to process and stack the layers, and finally a 3D printing part corresponding to the parameters set by the user can be obtained;
step five, final assembly of the 3D printed piece: then, the workers refer to the data of the whole injection mold object, the specification and the size of the part, the gap tolerance and the like obtained in the first step, and then assemble the 3D printing parts obtained in the fourth step according to the assembling and disassembling sequence labels of the structural parts in the second step and the whole injection mold object and the part picture shot in the first step to form a 3D printed injection mold product;
step six, finished product testing: and finally, carrying out overall test and inspection on the manufactured 3D injection mold product by workers, wherein the overall test and inspection is divided into two inspection modes of instrument test and manual comparison test, firstly, the workers adopt the instrument test mode to measure data such as the specification size, the gap tolerance and the like of the 3D injection mold product, the information obtained after measurement is compared with the initial data measured in the first step, then, the workers adopt the manual comparison test mode to carry out rechecking and measurement on the data such as the specification size, the gap tolerance and the like of the 3D injection mold product, after the manual test is finished, the initial data measured in the first step are compared in the same way, finally, the workers carry out injection test on the assembled 3D injection mold product, if the product meeting the physical requirement of the injection mold is manufactured, the 3D injection mold product which is the same as the physical sample of the injection mold can be manufactured, and if the manufactured product does not meet the physical requirement of the injection mold, and (4) checking and repairing leakage of the disassembled parts of the 3D injection mold product one by one until the problem is found, and then carrying out 3D manufacturing again according to the steps from the first step to the fifth step.
Preferably, in the process of measuring the injection mold in the first step, the measuring tool includes a special instrument and a special measuring tool, the special instrument includes a laser range finder, an infrared scanner, an angle measuring device, and the like, the special measuring tool includes a ruler, an angle gauge, a micrometer and the like, and the shooting surface of the whole injection mold in the material object and the shooting surface of the part by the high-definition camera is divided into a main viewing surface, a rear viewing surface, a left viewing surface, a right viewing surface, a depression viewing surface, a elevation viewing surface and an inner viewing surface.
Preferably, in the three-dimensional modeling process of the drawing software in the third step, a worker carries out drawing modeling respectively and correspondingly by adopting a Mold design mode, an Assembly mode, a Part mode and a comprehensive mode in pro/E three-dimensional software according to an injection Mold Part which has a section size change rule and has no concave-convex structure requirement in the side direction, has a simple parting surface and cannot apply a parting surface method, a complex modeling design and a complex structure, opening and parting surface requirements.
Preferably, in the three-dimensional modeling process of the drawing software in the third step, when the Mold design mode is adopted, the operations are performed according to the loading reference part → workpiece creation → shrinkage rate setting → parting surface design → Mold volume block formation → Mold element generation → casting system design → Mold opening simulation flow, in the Mold design mode, the parting surface is formed through a curved surface creation and editing method, then the workpiece is split through the parting surface, the Mold forming part is generated by the volume block of each forming part of the Mold, and then the Mold forming part is generated by the volume block, and according to the drawing technology of workers, a mode of automatically creating and constructing the parting surface can be adopted: establishing a Mold model in a Mold design mode, referring to an injection Mold real object in the step one, selecting a parting surface icon in a toolbar of pro/E three-dimensional software, and popping up a shadow curved surface definition window by a menu command [ edit ] → [ shadow curved surface ], quickly forming a parting curved surface by defining elements such as a shadow curved surface direction and a closed plane, dividing a workpiece by the shadow curved surface to form a Mold volume block, extracting and forming a Mold forming part, and performing detail design such as pouring channels by adding Mold characteristics to complete the Mold forming design.
Preferably, in the three-dimensional modeling process of the drawing software in the step three, when the mold design is performed in the Assembly mode: the Cut out operation and the curved surface materialization of the parting curved surface application element are created according to the shape of the product, the product model and the parting surface are used for carrying out solid Boolean Cut reduction operation on the workpiece to respectively generate various molding parts of the mold, and then the molding parts are assembled into a mold molding integral structure according to default positioning.
Preferably, in the three-dimensional modeling process of the drawing software in the third step, flexible and convenient feature parameterization operation is performed on a product model in a Part mode, then a product surface belonging to a movable mold and a product surface belonging to a fixed mold are respectively formed by surface replication, boundary curved surface and other creating and editing methods, a parting surface is formed according to the shape of the product, and a curved surface model of each molding Part of the mold is established so as to complete the process of mold division of the product.
Preferably, in the three-dimensional modeling process of the drawing software in the third step, if the parting surface is failed to be created in the Mold design mode or the parting surface is complex and is difficult to fill up by breaking holes, the required parting curved surfaces can be generated in the Part mode, and then the curved surfaces are directly selected to be split in the Mold design mode, so that the product parting construction can be completed in the comprehensive mode.
Preferably, in the five-step 3D printing piece final assembly process, before the staff assembles the 3D printing part, the staff firstly performs visual inspection on the manufactured 3D printing part, and then performs touch inspection on smoothness, sharpness and the like of the corner end of the manufactured 3D printing part with hands, before the hand inspection, the staff selects to wear a special glove for labor insurance according to the characteristics of the 3D printing part, and then performs preliminary inspection and troubleshooting on the manufactured 3D printing part by using a special instrument and a special measuring tool with reference to the data of the whole injection mold object obtained in the step one, the specification size of the part, the gap tolerance and the like, and if a certain 3D printing part is defective, the 3D printing is performed again.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, through matching the manufacturing steps of the first injection mold material object measurement, the second injection mold component integral/subsection design, the drawing software three-dimensional modeling, the component integral/subsection 3D printing, the 3D printing piece assembly and the finished product test, the data parameters of the initial injection mold material object are detected in advance for comparison, the injection mold component is designed in concept and marked by manuscript analysis, finally, different modeling methods are selected according to the complexity of the injection mold component for accurate three-dimensional modeling operation, and two inspection modes of instrument test and manual comparison test are utilized for accurate printing and manufacturing of the finally manufactured 3D finished product component, so that the injection mold component is manufactured by utilizing the 3D printing reverse grafting molding technology, the precision and the quality of the 3D printing component of the injection mold are improved, and the material cost of the 3D printing and manufacturing of the injection mold is saved, the work paid out is reduced, and the manufacturing efficiency and the qualification rate of the 3D finished product of the injection mold are improved.
Drawings
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a flow chart of the drawing software three-dimensional modeling and part integral/segmented 3D printing of the present invention;
FIG. 3 is a flow chart of the three-dimensional modeling of the drawing software of the present invention;
FIG. 4 is a flow chart of the injection mold object measurement and the finished product test according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
Example 1
Referring to fig. 1-4, the present invention provides a technical solution: A3D printing inverse grafting forming manufacturing method of a mold for injection molding comprises the following manufacturing steps:
step one, measuring an injection mold object: the working personnel use the measuring tool to measure the data of the whole injection mold object and the specification size, the gap tolerance and the like of the part, and then the high-definition camera is utilized to carry out all-dimensional shooting on the whole injection mold object and the part for subsequent assembly reference;
step two, integrally/sectionally designing the injection mold part: secondly, according to the data of the entity and the part of the injection mold obtained in the first step, a worker analyzes and designs the entity and the part of the injection mold one by one, performs manuscript description on paper, and marks the assembling and disassembling sequence labels of the structural parts on the design manuscript drawing of the injection mold;
step three, three-dimensional modeling of drawing software: then, the worker establishes a digital three-dimensional model for the designed injection mold part by using pro/E three-dimensional software, and then carries out layering processing on the digital three-dimensional model, namely, the digital three-dimensional model is divided into individual slice information;
step four, integral/segmented 3D printing of the parts: after the three-dimensional model is layered, the three-dimensional model can be divided into equal-layer thickness slices and adaptive slices according to a layering method, an STL file is formed, data information of each layer of STL file is read, a control program corresponding to the layer information is formulated, filling path information is generated, the layer information is communicated with a 3D printer to process and stack the layers, and finally a 3D printing part corresponding to the parameters set by the user can be obtained;
step five, 3D printed matter final assembly: then, the workers refer to the data of the whole injection mold object, the specification and the size of the part, the gap tolerance and the like obtained in the first step, and then assemble the 3D printing parts obtained in the fourth step according to the assembling and disassembling sequence labels of the structural parts in the second step and the whole injection mold object and the part picture shot in the first step to form a 3D printed injection mold product;
step six, finished product testing: and finally, carrying out integral test and inspection on the manufactured 3D injection mold product by workers, wherein the test modes include an instrument test mode and a manual comparison test mode, firstly, the workers adopt the instrument test mode to measure data such as the specification size, the gap tolerance and the like of the 3D injection mold product, the information obtained after measurement is compared with initial data measured in the first step, then, the workers adopt the manual comparison test mode to carry out rechecking measurement on the data such as the specification size, the gap tolerance and the like of the 3D injection mold product, after the manual test is finished, the initial data measured in the first step are compared in the same way, finally, the workers carry out injection test on the assembled 3D injection mold product, if a product meeting the physical requirement of the injection mold is manufactured, the 3D injection mold product identical to the physical sample of the injection mold can be manufactured, and if the manufactured product does not meet the physical requirement of the injection mold, checking and repairing the parts of the 3D injection mold product one by one after disassembling until a problem is found, then carrying out 3D manufacturing again according to the steps from the first step to the fifth step, matching the manufacturing steps of measuring the material object of the injection mold in the first step, designing the whole/subsection parts of the injection mold in the second step, carrying out three-dimensional modeling by drawing software, printing the whole/subsection 3D of the parts, assembling the 3D printed parts and testing the finished product, adopting various data parameters of the material object of the initial injection mold detected in advance as comparison, carrying out conception design and manuscript analysis marking on the parts of the injection mold, finally selecting different modeling methods according to the complexity of the parts of the injection mold to carry out accurate three-dimensional modeling operation, and carrying out accurate printing and manufacturing on the finally manufactured 3D finished product parts by using two inspection modes of instrument testing and manual comparison testing, and not only using the 3D printing reverse grafting molding technology to manufacture the parts of the injection mold, still promoted injection mold 3D and printed the precision and the quality of part, also played the material cost who saves injection mold 3D and print the preparation simultaneously, reduced useless work and paid out, improved the off-the-shelf preparation efficiency of injection mold 3D and qualification rate.
Example 2
Referring to fig. 1-4, the present invention provides a technical solution: A3D printing inverse grafting forming manufacturing method of a mold for injection molding comprises the following manufacturing steps:
step one, measuring an injection mold object: the measuring tool comprises a special instrument and a special measuring tool, the special instrument comprises a laser range finder, an infrared scanner, an angle measurer and the like, the special measuring tool comprises a ruler, a protractor, a micrometer caliper and the like, the data of the specification size, the gap tolerance and the like of the whole injection mold and the part are comprehensively measured, the measurement omission is avoided, accurate data reference is provided for subsequent 3D printing, then the whole injection mold and the part are comprehensively shot by a high-definition camera, the shooting surface of the whole injection mold and the shooting surface of the part are divided into a main view surface, a back view surface, a left view surface, a right view surface, a depression surface, a elevation surface and an inner view surface, the whole injection mold and all the visual angles of the part are comprehensively shot by the high-definition camera, so that the assembly reference of the 3D printing part of each injection mold is conveniently carried out by workers for the subsequent assembly reference;
step two, integrally/sectionally designing the injection mold part: secondly, according to the data of the whole injection mold real object and the parts obtained in the first step, workers analyze and design the whole injection mold real object and the parts one by one, perform manuscript description on paper, and mark the disassembly and assembly sequence labels of the structural parts on the design manuscript drawing of the injection mold;
step three, three-dimensional modeling of drawing software: then, a worker establishes a digital three-dimensional model for the designed injection Mold Part by using pro/E three-dimensional software, then carries out layering processing on the digital three-dimensional model, namely, the digital three-dimensional model is divided into individual layer piece information, the worker carries out drawing modeling according to a Mold Part which has a change rule of the section size and has no concave-convex structure requirement in the side direction, has a simple parting surface and can not apply a parting surface method, a complex modeling design and requirements of a complex structure, an opening and a parting surface respectively and correspondingly adopts a Mold design mode, an Assembly mode, a Part mode and a comprehensive mode in the pro/E three-dimensional software, when the Mold design mode is adopted, the operation is carried out according to a loading reference Part → a workpiece is created → a shrinkage rate is set → a Mold body block is formed → a Mold element is generated → a design pouring system → a Mold opening process is simulated, and the parting surface is formed in the Mold design mode by a curved surface creating and editing method, then with the parting surface split work piece, form each shaping part volume piece of mould and produce mould shaping part by the volume piece again, also can adopt automatic establishment to construct the parting surface mode according to staff's drawing technique: establishing a Mold model in a Mold design mode, referring to the injection Mold object in the first step, selecting a parting surface icon in a toolbar of pro/E three-dimensional software, and popping up a shadow curved surface definition window by a menu command [ edit ] → [ shadow curved surface ], quickly forming a parting curved surface by defining elements such as a shadow curved surface direction and a closing plane, dividing a workpiece by the shadow curved surface to form a Mold volume block, extracting and forming a Mold forming part, performing detail design such as pouring channels by adding Mold characteristics, and completing Mold forming design, wherein when the Mold is designed in an Assembly mode: creating Cut out operation and curved surface materialization of a parting curved surface application element according to the shape of a product, respectively generating each molding Part of a Mold by performing solid Boolean Cut reduction operation on a workpiece by using a product model and a parting surface, assembling the molding parts into a Mold molding integral structure according to default positioning, firstly performing flexible and convenient characteristic parameterization operation on the product model in a Part mode, respectively forming a product surface belonging to a movable Mold and a product surface belonging to a fixed Mold by using surface replication, boundary curved surface and other creating and editing methods, then forming a parting surface according to the product shape, establishing a curved surface model of each molding Part of the Mold to finish the process of product parting, if the parting surface is failed to be created in a Mold design mode or the parting surface is more complicated and is difficult to fill up by a broken hole, firstly generating each required parting curved surface in the Part mode, then directly selecting the curved surface in the Mold design mode, the product split construction can be completed through the comprehensive mode, workers with different technical degrees can conveniently perform drawing modeling according to the Mold parts which have the change rule of the section size and have no concave-convex structure requirement in the side direction, have simple parting surfaces and can not apply a parting surface method, a complex modeling design and a complex structure, open holes and meet the parting surface requirement and respectively and correspondingly adopt a Mold design mode, an Assembly mode, a Part mode and the comprehensive mode in pro/E three-dimensional software, the accuracy of the 3D model of the injection Mold Part after the drawing modeling is completed is improved, the error of the 3D model of the injection Mold Part is avoided, the finished product quality of the 3D printing Part of the injection Mold is influenced, and the qualification rate of the 3D printing Part of the injection Mold is improved;
step four, integral/segmented 3D printing of the parts: after the layering treatment of the three-dimensional model is finished, the three-dimensional model can be divided into equal-layer thickness slicing and adaptive slicing according to a layering method, an STL file is formed, data information of each layer of STL file is read, a control program of corresponding layer information is formulated, filling path information is generated, the layer information is processed and stacked through communication with a 3D printer, and finally a 3D printing part corresponding to the parameters set by the three-dimensional model can be obtained;
step five, final assembly of the 3D printed piece: then, the worker refers to the data of the whole injection mold object, the specification size of the part, the gap tolerance and the like obtained in the first step, then, the label is marked according to the disassembly and assembly sequence of the structural parts in the second step, and refers to the data of the whole injection mold object and the part picture shot in the first step, the 3D printing parts obtained in the fourth step are assembled to form a 3D printed injection mold product, before the worker assembles the 3D printing parts, the worker firstly carries out visual inspection on the prepared 3D printing parts, then, the worker carries out touch inspection on smoothness, sharpness and the like of the corner end parts of the prepared 3D printing parts by hands, before the hand inspection, the worker selects and wears a labor protection special glove according to the characteristics of the 3D printing parts, then, the data of the whole injection mold object, the specification size of the part, the gap tolerance and the like obtained in the first step are referred, and the prepared 3D printing parts are pre-inspected by adopting a special instrument and a special measuring tool, if a certain 3D printing part is defective, 3D printing is carried out again, so that the error of the manufactured 3D printing part is kept in a qualified range, and the specification parameters of the manufactured 3D printing part are ensured to reach qualified standards;
step six, finished product testing: and finally, carrying out integral test and inspection on the manufactured 3D injection mold product by workers, wherein the test modes include an instrument test mode and a manual comparison test mode, firstly, the workers adopt the instrument test mode to measure data such as the specification size, the gap tolerance and the like of the 3D injection mold product, the information obtained after measurement is compared with initial data measured in the first step, then, the workers adopt the manual comparison test mode to carry out rechecking measurement on the data such as the specification size, the gap tolerance and the like of the 3D injection mold product, after the manual test is finished, the initial data measured in the first step are compared in the same way, finally, the workers carry out injection test on the assembled 3D injection mold product, if a product meeting the physical requirement of the injection mold is manufactured, the 3D injection mold product identical to the physical sample of the injection mold can be manufactured, and if the manufactured product does not meet the physical requirement of the injection mold, disassembling parts of a 3D injection mold product, checking and repairing leakage one by one until a problem is found, performing 3D manufacturing again according to the steps from the first step to the fifth step, matching manufacturing steps of measuring an injection mold material object in the first step, designing the injection mold part integrally/sectionally, modeling three-dimensionally by drawing software, printing the part integrally/sectionally by 3D, assembling a 3D printed part and testing a finished product, detecting various data parameters of the initial injection mold material object in advance as comparison, designing and marking manuscripts for the injection mold part, selecting different modeling methods according to the complexity of the injection mold part to perform accurate three-dimensional modeling operation, and performing accurate printing and manufacturing on the finally manufactured 3D finished product part by using two inspection modes of instrument testing and manual comparison testing, wherein the 3D printing and grafting molding technology is utilized to manufacture the injection mold part, still promoted injection mold 3D and printed the precision and the quality of part, also played the material cost who saves injection mold 3D and print the preparation simultaneously, reduced useless work and paid out, improved the off-the-shelf preparation efficiency of injection mold 3D and qualification rate.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A3D printing inverse grafting forming manufacturing method of a mold for injection molding is characterized by comprising the following steps: the method comprises the following manufacturing steps:
step one, measuring an injection mold object: the working personnel use the measuring tool to measure the data of the whole injection mold object and the specification size, the gap tolerance and the like of the part, and then the high-definition camera is utilized to carry out all-dimensional shooting on the whole injection mold object and the part for subsequent assembly reference;
step two, integrally/sectionally designing the injection mold part: secondly, according to the data of the whole injection mold real object and the parts obtained in the first step, workers analyze and design the whole injection mold real object and the parts one by one, perform manuscript description on paper, and mark the disassembly and assembly sequence labels of the structural parts on the design manuscript drawing of the injection mold;
step three, three-dimensional modeling of drawing software: then, the worker establishes a digital three-dimensional model for the designed injection mold part by using pro/E three-dimensional software, and then carries out layering processing on the digital three-dimensional model, namely, the digital three-dimensional model is divided into individual slice information;
step four, integral/segmented 3D printing of the parts: after the three-dimensional model is layered, the three-dimensional model can be divided into equal-layer thickness slices and adaptive slices according to a layering method, an STL file is formed, data information of each layer of STL file is read, a control program corresponding to the layer information is formulated, filling path information is generated, the layer information is communicated with a 3D printer to process and stack the layers, and finally a 3D printing part corresponding to the parameters set by the user can be obtained;
step five, 3D printed matter final assembly: then, the workers refer to the data of the whole injection mold object, the specification and the size of the part, the gap tolerance and the like obtained in the first step, and then assemble the 3D printing parts obtained in the fourth step according to the assembling and disassembling sequence labels of the structural parts in the second step and the whole injection mold object and the part picture shot in the first step to form a 3D printed injection mold product;
step six, finished product testing: and finally, carrying out integral test and inspection on the manufactured 3D injection mold product by workers, wherein the test modes include an instrument test mode and a manual comparison test mode, firstly, the workers adopt the instrument test mode to measure data such as the specification size, the gap tolerance and the like of the 3D injection mold product, the information obtained after measurement is compared with initial data measured in the first step, then, the workers adopt the manual comparison test mode to carry out rechecking measurement on the data such as the specification size, the gap tolerance and the like of the 3D injection mold product, after the manual test is finished, the initial data measured in the first step are compared in the same way, finally, the workers carry out injection test on the assembled 3D injection mold product, if a product meeting the physical requirement of the injection mold is manufactured, the 3D injection mold product identical to the physical sample of the injection mold can be manufactured, and if the manufactured product does not meet the physical requirement of the injection mold, and (4) checking and repairing leakage of the disassembled parts of the 3D injection mold product one by one until the problem is found, and then carrying out 3D manufacturing again according to the steps from the first step to the fifth step.
2. The 3D printing inverse grafting forming manufacturing method of the mold for injection molding according to claim 1, characterized in that: in the step one, the measuring tool comprises a special instrument and a special measuring tool, the special instrument comprises a laser range finder, an infrared scanner, an angle measurer and the like, the special measuring tool comprises a ruler, a protractor, a micrometer caliper and the like, and the high-definition camera divides the whole injection mold and the shooting surface of the part into a main viewing surface, a rear viewing surface, a left viewing surface, a right viewing surface, a depression surface, an elevation surface and an inner viewing surface.
3. The 3D printing inverse grafting forming manufacturing method of the mold for injection molding according to claim 1, characterized in that: in the three-dimensional modeling process of the drawing software in the third step, workers respectively and correspondingly adopt a Mold design mode, an Assembly mode, a Part mode and a comprehensive mode in pro/E three-dimensional software to carry out drawing modeling according to an injection Mold Part which has a section size change rule and has no concave-convex structure requirement in the side direction, is simple in parting surface and cannot apply a parting surface method, a complex modeling design and the requirements of a complex structure, a hole opening and a parting surface.
4. The 3D printing inverse grafting forming manufacturing method of the mold for injection molding according to claim 3, characterized in that: in the three-dimensional modeling process of the drawing software in the third step, when a Mold design mode is adopted, the operation is carried out according to a loading reference part → workpiece creation → shrinkage rate setting → parting surface design → Mold volume block formation → Mold element generation → design casting system → Mold opening simulation flow, a parting surface is formed in the Mold design mode through a curved surface creating and editing method, then the workpiece is split by the parting surface, each molding part volume block of the Mold is formed, then a Mold molding part is generated by the volume block, and a mode of automatically creating and constructing the parting surface can also be adopted according to the drawing technology of a worker: establishing a Mold model in a Mold design mode, referring to the injection Mold object in the first step, selecting a parting surface icon in a toolbar of pro/E three-dimensional software, popping up a shadow curved surface definition window by a menu command [ edit ] → [ shadow curved surface ], quickly forming a parting curved surface by defining elements such as a shadow curved surface direction and a closing plane, dividing a workpiece by the shadow curved surface to form a Mold volume block, extracting and forming a Mold forming part, and finishing Mold forming design by adding Mold characteristics to perform detailed design such as pouring channels.
5. The 3D printing inverse grafting forming manufacturing method of the mold for injection molding according to claim 3, characterized in that: in the three-dimensional modeling process of the drawing software in the step three, when the mould is designed in the Assembly mode: and (3) creating Cut out operation and curved surface materialization of the parting curved surface application element according to the shape of the product, performing solid Boolean Cut operation on the workpiece by using the product model and the parting surface to respectively generate each forming part of the die, and assembling the forming parts into a die forming integral structure according to default positioning.
6. The 3D printing inverse grafting forming manufacturing method of the mold for injection molding according to claim 3, characterized in that: in the three-dimensional modeling process of the drawing software in the third step, flexible and convenient feature parameterization operation is firstly carried out on a product model in a Part mode, then a product surface belonging to a movable mould and a product surface belonging to a fixed mould are respectively formed by surface copying, boundary curved surface and other creating and editing methods, a parting surface is formed according to the shape of the product, and a curved surface model of each molding Part of the mould is established so as to complete the mould splitting process of the product.
7. The 3D printing inverse grafting forming manufacturing method of the injection mold according to claim 3, characterized by comprising the following steps: in the three-dimensional modeling process of the drawing software in the third step, if the parting surface is failed to be created in the Mold design mode or the parting surface is complex and is difficult to fill up by breaking holes, the required parting curved surfaces can be generated in the Part mode, then the curved surfaces are directly selected to be split in the Mold design mode, and the product parting construction can be completed in the comprehensive mode.
8. The 3D printing inverse grafting forming manufacturing method of the mold for injection molding according to claim 1, characterized by comprising the following steps: in the five-step 3D printing part final assembly process, before a worker assembles the 3D printing part, the worker firstly carries out visual inspection on the manufactured 3D printing part, then uses hands to carry out touch inspection on smoothness, sharpness and the like of the corner end part of the manufactured 3D printing part, before the hand inspection, the worker selectively wears a labor protection special glove according to the characteristics of the 3D printing part, then refers to the data of the whole injection mold object obtained in the step one, specification size of the part, gap tolerance and the like, adopts a special instrument and a special measuring tool to carry out pre-inspection and troubleshooting on the manufactured 3D printing part, and if a certain 3D printing part is defective, the 3D printing part is printed again.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410572733.6A CN118578557A (en) | 2022-05-23 | 2022-05-23 | 3D printing reverse grafting forming manufacturing method of injection mold |
| CN202210568464.7A CN114905732A (en) | 2022-05-23 | 2022-05-23 | 3D printing anti-grafting forming manufacturing method of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210568464.7A CN114905732A (en) | 2022-05-23 | 2022-05-23 | 3D printing anti-grafting forming manufacturing method of injection mold |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410572733.6A Division CN118578557A (en) | 2022-05-23 | 2022-05-23 | 3D printing reverse grafting forming manufacturing method of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114905732A true CN114905732A (en) | 2022-08-16 |
Family
ID=82768298
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210568464.7A Pending CN114905732A (en) | 2022-05-23 | 2022-05-23 | 3D printing anti-grafting forming manufacturing method of injection mold |
| CN202410572733.6A Pending CN118578557A (en) | 2022-05-23 | 2022-05-23 | 3D printing reverse grafting forming manufacturing method of injection mold |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410572733.6A Pending CN118578557A (en) | 2022-05-23 | 2022-05-23 | 3D printing reverse grafting forming manufacturing method of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN114905732A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115871955A (en) * | 2023-02-21 | 2023-03-31 | 中国人民解放军95633部队 | Method for repairing front edge skin of airplane wing and empennage |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103440382A (en) * | 2013-08-30 | 2013-12-11 | 常州轻工职业技术学院 | Method for 3D printing plastic product based on reverse technology |
| CN104573272A (en) * | 2015-01-27 | 2015-04-29 | 苏州汇众模塑有限公司 | Digital quick reversal design technology for injection moulds |
| CN104760288A (en) * | 2015-04-15 | 2015-07-08 | 浙江大学 | 3D printing based complex structure mold manufacturing method and molding method |
| CN105562691A (en) * | 2015-12-23 | 2016-05-11 | 华中科技大学 | 3D printing preparation method for injection mold |
| CN109016272A (en) * | 2018-06-26 | 2018-12-18 | 珠海格力精密模具有限公司 | Manufacturing method of injection mold and 3D printing injection mold |
| CN109590469A (en) * | 2018-12-14 | 2019-04-09 | 宁波匠心快速成型技术有限公司 | A kind of grafting Method of printing of metal die |
| CN110744751A (en) * | 2019-11-21 | 2020-02-04 | 集美大学 | 3D printing anti-grafting forming manufacturing method of injection mold |
| CN112207233A (en) * | 2020-09-24 | 2021-01-12 | 苏州恒利莱模具有限公司 | Mold manufacturing process based on 3D printing technology |
| CN114274457A (en) * | 2021-12-20 | 2022-04-05 | 北京工业大学 | Kriging-GA-based structural parameter decision method for injection mold pouring system |
-
2022
- 2022-05-23 CN CN202210568464.7A patent/CN114905732A/en active Pending
- 2022-05-23 CN CN202410572733.6A patent/CN118578557A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103440382A (en) * | 2013-08-30 | 2013-12-11 | 常州轻工职业技术学院 | Method for 3D printing plastic product based on reverse technology |
| CN104573272A (en) * | 2015-01-27 | 2015-04-29 | 苏州汇众模塑有限公司 | Digital quick reversal design technology for injection moulds |
| CN104760288A (en) * | 2015-04-15 | 2015-07-08 | 浙江大学 | 3D printing based complex structure mold manufacturing method and molding method |
| CN105562691A (en) * | 2015-12-23 | 2016-05-11 | 华中科技大学 | 3D printing preparation method for injection mold |
| CN109016272A (en) * | 2018-06-26 | 2018-12-18 | 珠海格力精密模具有限公司 | Manufacturing method of injection mold and 3D printing injection mold |
| CN109590469A (en) * | 2018-12-14 | 2019-04-09 | 宁波匠心快速成型技术有限公司 | A kind of grafting Method of printing of metal die |
| CN110744751A (en) * | 2019-11-21 | 2020-02-04 | 集美大学 | 3D printing anti-grafting forming manufacturing method of injection mold |
| CN112207233A (en) * | 2020-09-24 | 2021-01-12 | 苏州恒利莱模具有限公司 | Mold manufacturing process based on 3D printing technology |
| CN114274457A (en) * | 2021-12-20 | 2022-04-05 | 北京工业大学 | Kriging-GA-based structural parameter decision method for injection mold pouring system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115871955A (en) * | 2023-02-21 | 2023-03-31 | 中国人民解放军95633部队 | Method for repairing front edge skin of airplane wing and empennage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118578557A (en) | 2024-09-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Equbal et al. | Rapid tooling: A major shift in tooling practice | |
| CN111595264A (en) | Method for digital rapid detection and analysis of sand core | |
| CN114905732A (en) | 3D printing anti-grafting forming manufacturing method of injection mold | |
| CN114918370A (en) | Sand mold forming method suitable for manufacturing adaptive slices by increasing and decreasing materials | |
| Jijotiya et al. | A survey of performance based advanced rapid prototyping techniques | |
| Singh | An overview of three dimensional printing for casting applications | |
| CN109676834A (en) | A kind of improvement technique of automobile moulding processing | |
| Glozer et al. | Laminate tooling for injection moulding | |
| Low et al. | Application of standardization for initial design of plastic injection moulds | |
| TWI656959B (en) | Compensation method of mold core of free-form surface lens | |
| Preißler et al. | An investigation for process capability in additive manufacturing | |
| Putra et al. | Optimization of production process parameters of DLP type 3D printer design for product roughness value | |
| Ramesh | Fusion of digital photoelasticity, rapid prototyping and rapid tooling technologies | |
| Minhat et al. | Advanced manufacturing of an aircraft component (fish-head): A technology review on the fabrication | |
| Dvorak et al. | Influence of the 3D model and technological parameters on the mechanical properties of fused deposition modeling 3D products | |
| Ranisavljev et al. | Analysis of geometric product specifications obtained by different 3D printing strategies | |
| Chant et al. | The determination of IC engine inlet port geometries by reverse engineering | |
| Asri | Simulation Analysis of Injection Moulding Process for Fidget Spinner | |
| Kunar et al. | Fundamentals and Applications of Additive Manufacturing | |
| Kolar | Application of reverse engineering and rapid prototyping to casting | |
| Yancey et al. | CT-assisted metrology for manufacturing applications | |
| JP2010120260A (en) | Matrix for mold, method of manufacturing mold, and shaping mold | |
| Bai et al. | The Role of Rapid Manufacturing Technology in Industrial Design | |
| Majewski et al. | Reducing ejection forces for parts moulded into direct metal laser sintered tools | |
| Gibson et al. | Post-Processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |