CN111136339A - Manufacturing process of die-casting die for high-precision parts - Google Patents
Manufacturing process of die-casting die for high-precision parts Download PDFInfo
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- CN111136339A CN111136339A CN201911399611.7A CN201911399611A CN111136339A CN 111136339 A CN111136339 A CN 111136339A CN 201911399611 A CN201911399611 A CN 201911399611A CN 111136339 A CN111136339 A CN 111136339A
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- die
- product
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- core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a manufacturing process of a die-casting die for a high-precision part, which is characterized in that a physical sample is obtained by adopting a 3D printing technology according to a product drawing provided by a customer; determining a parting surface of a sample, cutting and partitioning according to a product structure, directly observing the actual condition of each part of the whole product, and determining the main characteristics and functions of a core-pulling structure and an insert structure according to an observation structure; performing die flow analysis on a product drawing to determine the position of a sprue of the die; carrying out three-dimensional modeling on the movable and fixed die, the core-pulling structure and the insert, assembling, carrying out die machining through a numerical control machine tool after successful matching, and carrying out assembling molding after the die machining is finished; and testing the die structure. The invention has the characteristics of improving the production efficiency of the die, ensuring the quality of the die, improving the completeness of the die and the like.
Description
Technical Field
The invention relates to the technical field of die-casting die manufacturing processes, in particular to a die-casting die manufacturing process for a high-precision part.
Background
In the existing stage of die manufacturing process, the die structure is usually processed directly according to the product drawing, because the direct drawing modeling is adopted in the processing mode, small errors exist between each part of the die and the product in the production process, so that the precision of die-cast products is not high, and the die-cast products are not suitable for the production of high-precision products.
Disclosure of Invention
The invention aims to solve the technical problem of providing a die-casting die manufacturing process of a high-precision part, which has the characteristics of improving the die production efficiency, ensuring the die quality, improving the die completeness and the like.
The technical scheme adopted by the invention for solving the technical problems is as follows: the die-casting die manufacturing process of the high-precision part comprises the following specific steps:
a. obtaining a sample by adopting a 3D printing technology according to a product drawing provided by a customer; b. determining a parting surface of a sample, cutting and partitioning according to a product structure, directly observing the actual condition of each part of the whole product, and determining the main characteristics and functions of a core-pulling structure and an insert structure according to an observation structure; c. performing die flow analysis on a product drawing to determine the position of a sprue of the die; d. carrying out three-dimensional modeling on the movable and fixed die, the core-pulling structure and the insert, assembling, carrying out die machining through a numerical control machine tool after successful matching, and carrying out assembling molding after the die machining is finished; e. and testing the die structure.
And b, delineating a parting surface by analyzing the forming mode of each part of the product in the die cavity, cutting after the parting surface is determined, wherein the cut section is used for assisting in constructing the structure of the core-pulling insert or the cooling insert tube.
The main characteristics in the step b refer to the structure of the core-pulling block for forming the characteristics of the product, and the functions refer to additional functions of hole position plugs on the core-pulling block and cooling pipelines.
And c, determining the position of the sprue according to the mold flow analysis information of the software, designing a runner structure through software simulation analysis, determining the position of the thick wall according to the analysis of the sample, and determining the structure of the exhaust system according to the position of the thick wall.
And d, arranging a cooling system after the modeling is finished, determining the steel of the die according to the material of the product, and then processing and molding.
In step e, the mold is fine-tuned according to the product in the test mold.
Has the advantages that: the invention relates to a die casting die manufacturing process of a high-precision part, which has the following specific advantages:
(1) before the die is manufactured, 3D printing is carried out on the product, so that the impression of designers on the product can be effectively improved, and the designers can grasp the details of the product, thereby ensuring the quality and the completeness of the die;
(2) the product is subjected to parting surface marking, the whole product can be distributed in a planning way, and the control on the product allowance in the mold structure is improved, so that the mold cavity structure and the core-pulling structure of the mold are determined more accurately;
(3) carry out reasonable structure to the product, can effectively observe product inner structure and inside thick wall portion position, make things convenient for workman to confirm structure and the mounted position of inserting, also make things convenient for simultaneously exhaust and cooling system's constitution.
Drawings
FIG. 1 is a structural view of a parting surface at a movable mold and a fixed mold of the invention;
fig. 2 is a cut-away view of the precision part of the present invention.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
The embodiment of the invention relates to a die-casting die manufacturing process of a high-precision part, which comprises the following specific steps: a. obtaining a sample by adopting a 3D printing technology according to a product drawing provided by a customer; b. determining a parting surface of a sample, cutting and partitioning according to a product structure, directly observing the actual condition of each part of the whole product, and determining the main characteristics and functions of a core-pulling structure and an insert structure according to an observation structure; c. performing die flow analysis on a product drawing to determine the position of a sprue of the die; d. carrying out three-dimensional modeling on the movable and fixed die, the core-pulling structure and the insert, assembling, carrying out die machining through a numerical control machine tool after successful matching, and carrying out assembling molding after the die machining is finished; e. and testing the die structure.
Compared with the prior art, the process of obtaining the real object sample is additionally carried out in the technical scheme, the analysis to the sample is increased at the same time, in the analysis process, the die cavity structure in the movable die and the fixed die is determined according to the parting surface of the whole die cavity, the position separation is carried out on the real object sample, the arrangement of the core pulling structure and the calculation of the core pulling structure allowance can be facilitated, meanwhile, the worker observes the 3D printed product, the impression is deepened on the product details, therefore, the surplus of each part of the die can be conveniently constructed, the thick wall part and the important part are cut off, the cut-off section is observed, the data are obtained, the construction of a cooling system and an exhaust system is facilitated, and the die completion degree is improved.
And b, delineating a parting surface by analyzing the forming mode of each part of the product in the die cavity, cutting after the parting surface is determined, wherein the cut section is used for assisting in constructing the structure of the core-pulling insert or the cooling insert tube.
The main characteristics in the step b refer to the structure of the core-pulling block for forming the characteristics of the product, and the functions refer to additional functions of hole position plugs on the core-pulling block and cooling pipelines.
And c, determining the position of the sprue according to the mold flow analysis information of the software, designing a runner structure through software simulation analysis, determining the position of the thick wall according to the analysis of the sample, and determining the structure of the exhaust system according to the position of the thick wall.
And d, arranging a cooling system after the modeling is finished, determining the steel of the die according to the material of the product, and then processing and molding.
In step e, the mold is fine-tuned according to the product in the test mold.
As shown in fig. 1-2, carry out sample analysis to car cooler tank joint, at first mark line B according to the product structure on the product to can distribute the die cavity of movable mould and cover half, observe the top structure and the below structure of mark line B, improve the die cavity impression, observe the detail on the product, thereby confirm that need carry out the surplus in which position on the die cavity and keep, and mark, the existence of surplus can conveniently improve the degree of completion of product, also makes things convenient for the product to carry out the finish machining simultaneously.
And then confirming the required core pulling according to four surfaces of the product, confirming whether the core pulling is normal core pulling or inclined core pulling, and marking the characteristic position of the core pulling on the product after the core pulling is finished.
And finally, the product is cut off from the cutting line A, so that the section structure of the characteristic position of the product is observed, the section is positioned in the center of the product, the characteristics of the important position of the product and the position of the thick-walled part can be observed, further actual data support is provided for a cooling system and an exhaust system, and the product completeness is improved.
The mold designed by the method can reach 90% of completion degree, and does not need an experienced engineer to carry out fine adjustment on site.
Claims (6)
1. A manufacturing process of a die-casting die for high-precision parts comprises the following specific steps:
(a) acquiring a sample by adopting a 3D printing technology according to a product drawing provided by a customer;
(b) determining the parting surface of the sample, cutting and partitioning according to the product structure, directly observing the actual condition of each part of the whole product, and determining the main characteristics and functions of the core-pulling structure and the insert structure according to the observation structure;
(c) performing mold flow analysis on the product drawing to determine the position of a sprue of the mold;
(d) carrying out three-dimensional modeling on the movable and fixed die, the core-pulling structure and the insert, assembling, carrying out die machining through a numerical control machine tool after successful matching, and carrying out assembling and molding after the die machining is finished;
(e) and testing the mold structure.
2. The die-casting die manufacturing process of the high-precision part as claimed in claim 1, wherein the die-casting die manufacturing process comprises the following steps: and b, delineating a parting surface by analyzing the forming mode of each part of the product in the die cavity, cutting after the parting surface is determined, wherein the cut section is used for assisting in constructing the structure of the core-pulling insert or the cooling insert tube.
3. The die-casting die manufacturing process of the high-precision part as claimed in claim 1, wherein the die-casting die manufacturing process comprises the following steps: the main characteristics in the step b refer to the structure of the core-pulling block for forming the characteristics of the product, and the functions refer to additional functions of hole position plugs on the core-pulling block and cooling pipelines.
4. The die-casting die manufacturing process of the high-precision part as claimed in claim 1, wherein the die-casting die manufacturing process comprises the following steps: and c, determining the position of the sprue according to the mold flow analysis information of the software, designing a runner structure through software simulation analysis, determining the position of the thick wall according to the analysis of the sample, and determining the structure of the exhaust system according to the position of the thick wall.
5. The die-casting die manufacturing process of the high-precision part as claimed in claim 1, wherein the die-casting die manufacturing process comprises the following steps: and d, arranging a cooling system after the modeling is finished, determining the steel of the die according to the material of the product, and then processing and molding.
6. The die-casting die manufacturing process of the high-precision part as claimed in claim 1, wherein the die-casting die manufacturing process comprises the following steps: in step e, the mold is fine-tuned according to the product in the test mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911399611.7A CN111136339A (en) | 2019-12-30 | 2019-12-30 | Manufacturing process of die-casting die for high-precision parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911399611.7A CN111136339A (en) | 2019-12-30 | 2019-12-30 | Manufacturing process of die-casting die for high-precision parts |
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| Publication Number | Publication Date |
|---|---|
| CN111136339A true CN111136339A (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911399611.7A Pending CN111136339A (en) | 2019-12-30 | 2019-12-30 | Manufacturing process of die-casting die for high-precision parts |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6450393B1 (en) * | 1998-06-30 | 2002-09-17 | Trustees Of Tufts College | Multiple-material prototyping by ultrasonic adhesion |
| CN102371474A (en) * | 2010-08-27 | 2012-03-14 | 苏州卡波尔模具科技有限公司 | Process flow for processing mould |
| CN204867347U (en) * | 2015-08-04 | 2015-12-16 | 宁波市北仑海普汽配有限公司 | Die casting die that mold insert just is used for making coffee pot heating pipe is equipped with |
| CN105215320A (en) * | 2015-10-23 | 2016-01-06 | 宁波华朔模具机械有限公司 | A kind of die casting that internal core-pulling structure is housed |
| CN105458637A (en) * | 2014-08-12 | 2016-04-06 | 青岛炜烨锻压机械有限公司 | Mould processing technological process |
-
2019
- 2019-12-30 CN CN201911399611.7A patent/CN111136339A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6450393B1 (en) * | 1998-06-30 | 2002-09-17 | Trustees Of Tufts College | Multiple-material prototyping by ultrasonic adhesion |
| CN102371474A (en) * | 2010-08-27 | 2012-03-14 | 苏州卡波尔模具科技有限公司 | Process flow for processing mould |
| CN105458637A (en) * | 2014-08-12 | 2016-04-06 | 青岛炜烨锻压机械有限公司 | Mould processing technological process |
| CN204867347U (en) * | 2015-08-04 | 2015-12-16 | 宁波市北仑海普汽配有限公司 | Die casting die that mold insert just is used for making coffee pot heating pipe is equipped with |
| CN105215320A (en) * | 2015-10-23 | 2016-01-06 | 宁波华朔模具机械有限公司 | A kind of die casting that internal core-pulling structure is housed |
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Application publication date: 20200512 |