CN102380920B - Machining method of air valve forming die - Google Patents
Machining method of air valve forming die Download PDFInfo
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- CN102380920B CN102380920B CN2010102746210A CN201010274621A CN102380920B CN 102380920 B CN102380920 B CN 102380920B CN 2010102746210 A CN2010102746210 A CN 2010102746210A CN 201010274621 A CN201010274621 A CN 201010274621A CN 102380920 B CN102380920 B CN 102380920B
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- 238000000034 method Methods 0.000 title abstract description 28
- 238000003754 machining Methods 0.000 title abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 238000005498 polishing Methods 0.000 claims abstract description 15
- 229910000997 High-speed steel Inorganic materials 0.000 claims abstract description 14
- 238000010791 quenching Methods 0.000 claims abstract description 13
- 230000000171 quenching effect Effects 0.000 claims abstract description 13
- 238000005496 tempering Methods 0.000 claims abstract description 13
- 238000000137 annealing Methods 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000011159 matrix material Substances 0.000 claims description 29
- 238000003672 processing method Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 13
- 229910002804 graphite Inorganic materials 0.000 abstract description 12
- 239000010439 graphite Substances 0.000 abstract description 12
- 239000000463 material Substances 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 235000019628 coolness Nutrition 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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Abstract
The invention relates to an air valve forming die and a machining method thereof. The forming die comprises a die body and a die cavity, wherein the die body consists of a base body and a chamber body embedded into the base body; the die cavity consists of a chamber body cavity and a base body cavity; and the chamber body is made of W6Mo5Cr4V3 high-speed steel by adopting the following steps of: (1) respectively upsetting and drawing a blank ten times and hammering the blank; (2) carrying out annealing; (3) carrying out rough machining; (4) carrying out quenching at 1220 DEG C; (5) heating a workpiece, then cooling the workpiece in quenching oil to 350-400 DEG C, and then carrying out air cooling; (6) carrying out tempering: tempering four times at 600-650 DEG C; (7) carrying out finish machining; and (8) carrying out surface polishing treatment on the cavity. When an air valve is manufactured according to the forming die manufactured by the machining method disclosed by the invention, the die does not need to be cooled by graphite oil, therefore the working environment is good, the service life of the die is longer, and the die is simpler and more convenient to repair.
Description
Technical field
The present invention relates to a kind of method of processing forming mould for air valve.
Background technology
The valve hot forming tool adopts structure as shown in Figure 1 usually, valve hot forming tool material generally adopts H13(4Cr5MoSiV1), the machining process of manufacturing the valve hot forming tool is: H13 anneal of material → roughing → 560 ℃ preheating, 860 ℃ of secondary preheatings, 1050 ℃ ± 10 ℃ quenching → oil cooling → 180 ℃ left and right air coolings, 560 ℃ of-600 ℃ of tempering three times, hardness is HRC48-51 → fine finishining moulding, then mould carries out the surface finish processing, last mould carries out surperficial tufftride processing, make die surface reach the 0.1mm nitration case, hardness reaches the HV1000 left and right.Because be thermoforming, mould has very high temperature, in order to improve die life, be all in use adopt oil and graphite powder to be in harmonious proportion to carry out cooling, lubricate.However, the service life of H13 mould is also undesirable, and mould is used and occurs repairing comparatively trouble after wearing and tearing or other quality problems, need to carry out finish turning, polishing and tufftride processes, and mould repair once after, mould also can only be worked at most 1500, mould will be repaired again; Can produce very large oil smoke in the graphite oil cooling procedure, human body is damaged, working environment is very severe.
Summary of the invention
The purpose of this invention is to provide a kind of method of processing forming mould for air valve, while using the mould production valve of the method making, mould does not need graphite oil cooling, good work environment, and die life is longer, and mould repair is also more easy.
For solving the problems of the technologies described above, the method that the present invention processes forming mould for air valve is to utilize W6Mo5Cr4V3 high-speed steel processing forming mould for air valve, and processing method comprises the processing step of following order:
(1) blank carries out ten upsettings ten and pulls out and forge;
(2) annealing: after being warmed up to 860 ℃, insulation 1.5-2.5 hour, then open fire door, after blank drops to 750 ℃, and insulation 1.5-2.5 hour, stove is as cold as 500 ℃-550 ℃ and comes out of the stove, and room temperature is cooling;
(3) carry out roughing;
(4) 1220 ℃ of quenchings;
(5) after after the heating, workpiece is cooled to 350-400 ℃ in quenching oil, air is cooling;
(6) tempering: adopt 600-650 ℃ of tempering four times;
(7) fine finishining;
(8) mold cavity surface polishing.
Use the forming mould for air valve of the method processing, hardness is controlled at HRC60-62, has higher impact flexibility, has extended the service life of mould, has reduced workman's die change number of times, has improved production efficiency; While using this mould to produce, do not need graphite oil cooling yet, improved working environment; Also need only carry out polishing to mould repair, repair also more easy.
The present invention also provides a kind of forming mould for air valve, and while using this mould to produce valve, mould does not need graphite oil cooling, good work environment, and die life is long, and mould repair is easy, reduces the material cost of mould simultaneously.
For solving the problems of the technologies described above, forming mould for air valve of the present invention, comprise die ontology and mold cavity, described die ontology is comprised of the cavity of matrix and the described matrix of embedding, described mold cavity is comprised of cavity die cavity and matrix die cavity, and described cavity is processed according to the method for processing forming mould for air valve described above by the W6Mo5Cr4V3 high-speed steel.
Cavity is to be processed according to the method for processing forming mould for air valve described above by the W6Mo5Cr4V3 high-speed steel, hardness is controlled at HRC60-62, has higher impact flexibility, has extended the service life of mould, reduce workman's die change number of times, improved production efficiency; While using this mould to produce, do not need graphite oil cooling yet, improved working environment; Also need only carry out polishing to mould repair, repair also more easy.Simultaneously, because W6Mo5Cr4V3 is more expensive, adopt damascene structures, reduced the consumption of W6Mo5Cr4V3 material, also reduced the material cost of mould.
The accompanying drawing explanation
Fig. 1 is background technology H13 die shape
Fig. 2 is forming mould for air valve of the present invention
In figure, 1 is that die ontology, 11 is that matrix, 12 is that cavity, 2 is that mold cavity, 21 is that cavity die cavity, 22 is the matrix die cavity.
The specific embodiment
Embodiment mono-
Below in conjunction with accompanying drawing, with concrete mode, the present invention is further detailed explanation.
The method that the present invention processes forming mould for air valve is to utilize W6Mo5Cr4V3 high-speed steel processing forming mould for air valve, and processing method comprises the processing step of following order:
(1) blank carries out ten upsettings ten and pulls out and forge;
(2) annealing: after being warmed up to 860 ℃, be incubated 2 hours, then open fire door, after blank drops to 750 ℃, be incubated 2 hours, stove is as cold as 500 ℃ and comes out of the stove, and room temperature is cooling;
(3) carry out roughing;
(4) 1220 ℃ of quenchings;
(5) after after the heating, workpiece is cooled to 350 ℃ in quenching oil, air is cooling;
(6) tempering: adopt 600 ℃ of tempering four times;
(7) fine finishining;
(8) mold cavity surface polishing.
Through using, be 35000 left and right die life, with existing H13 mould, compares, and improves nearly 25 times the service life of mould of the present invention.
Use the forming mould for air valve of the method processing, hardness is controlled at HRC60-62, has higher impact flexibility, has extended the service life of mould, has reduced workman's die change number of times, has improved production efficiency; While using this mould to produce, do not need graphite oil cooling yet, improved working environment; Also need only carry out polishing to mould repair, repair also more easy.
As shown in Figure 1 and Figure 2, forming mould for air valve of the present invention, comprise die ontology 1 and mold cavity 2, die ontology 1 is comprised of the cavity 12 of matrix 11 and embedding matrix 11, mold cavity 2 is comprised of cavity die cavity 21 and matrix die cavity 22, and cavity 12 is processed according to the method according to above-mentioned processing forming mould for air valve by the W6Mo5Cr4V3 high-speed steel, and the material of matrix 11 is H13, after cavity 12 embeds matrix 11, cavity die cavity 21 and matrix die cavity 22 carry out integral body processing.
Cavity is to be processed according to the method for processing forming mould for air valve described above by the W6Mo5Cr4V3 high-speed steel, hardness is controlled at HRC60-62, has higher impact flexibility, has extended the service life of mould, reduce workman's die change number of times, improved production efficiency; While using this mould to produce, do not need graphite oil cooling yet, improved working environment; Also need only carry out polishing to mould repair, repair also more easy.Simultaneously, due to W6Mo5Cr4V3, relatively the eighteenth of the twenty is expensive, adopts damascene structures, and matrix H13 is mould steel, has reduced the consumption of W6Mo5Cr4V3 material, has also reduced the material cost of mould.
Embodiment bis-
Below in conjunction with accompanying drawing, with concrete mode, the present invention is further detailed explanation.
The method that the present invention processes forming mould for air valve is to utilize W6Mo5Cr4V3 high-speed steel processing forming mould for air valve, and processing method comprises the processing step of following order:
(1) blank carries out ten upsettings ten and pulls out and forge;
(2) annealing: after being warmed up to 860 ℃, be incubated 1.5 hours, then open fire door, after blank drops to 750 ℃, be incubated 1.5 hours, stove is as cold as 550 ℃ and comes out of the stove, and room temperature is cooling;
(3) carry out roughing;
(4) 1220 ℃ of quenchings;
(5) after after the heating, workpiece is cooled to 400 ℃ in quenching oil, air is cooling;
(6) tempering: adopt 650 ℃ of tempering four times;
(7) fine finishining;
(8) mold cavity surface polishing.
Through using, be 35000 left and right die life, with existing H13 mould, compares, and improves nearly 25 times the service life of mould of the present invention.
Use the forming mould for air valve of the method processing, hardness is controlled at HRC60-62, has higher impact flexibility, has extended the service life of mould, has reduced workman's die change number of times, has improved production efficiency; While using this mould to produce, do not need graphite oil cooling yet, improved working environment; Also need only carry out polishing to mould repair, repair also more easy.
As shown in Figure 1 and Figure 2, forming mould for air valve of the present invention, comprise die ontology 1 and mold cavity 2, die ontology 1 is comprised of the cavity 12 of matrix 11 and embedding matrix 11, mold cavity 2 is comprised of cavity die cavity 21 and matrix die cavity 22, and cavity 12 is processed according to the method according to above-mentioned processing forming mould for air valve by the W6Mo5Cr4V3 high-speed steel, and the material of matrix 11 is H13, after cavity 12 embeds matrix 11, cavity die cavity 21 and matrix die cavity 22 carry out integral body processing.
Cavity is to be processed according to the method for processing forming mould for air valve described above by the W6Mo5Cr4V3 high-speed steel, hardness is controlled at HRC60-62, has higher impact flexibility, has extended the service life of mould, reduce workman's die change number of times, improved production efficiency; While using this mould to produce, do not need graphite oil cooling yet, improved working environment; Also need only carry out polishing to mould repair, repair also more easy.Simultaneously, due to W6Mo5Cr4V3, relatively the eighteenth of the twenty is expensive, adopts damascene structures, and matrix H13 is mould steel, has reduced the consumption of W6Mo5Cr4V3 material, has also reduced the material cost of mould.
Embodiment tri-
Below in conjunction with accompanying drawing, with concrete mode, the present invention is further detailed explanation.
The method that the present invention processes forming mould for air valve is to utilize W6Mo5Cr4V3 high-speed steel processing forming mould for air valve, and processing method comprises the processing step of following order:
(1) blank carries out ten upsettings ten and pulls out and forge;
(2) annealing: after being warmed up to 860 ℃, be incubated 2.5 hours, then open fire door, after blank drops to 750 ℃, be incubated 2.5 hours, stove is as cold as 520 ℃ and comes out of the stove, and room temperature is cooling;
(3) carry out roughing;
(4) 1220 ℃ of quenchings;
(5) after after the heating, workpiece is cooled to 380 ℃ in quenching oil, air is cooling;
(6) tempering: adopt 620 ℃ of tempering four times;
(7) fine finishining;
(8) mold cavity surface polishing.
Through using, be 35000 left and right die life, with existing H13 mould, compares, and improves nearly 25 times the service life of mould of the present invention.
Use the forming mould for air valve of the method processing, hardness is controlled at HRC60-62, has higher impact flexibility, has extended the service life of mould, has reduced workman's die change number of times, has improved production efficiency; While using this mould to produce, do not need graphite oil cooling yet, improved working environment; Also need only carry out polishing to mould repair, repair also more easy.
As shown in Figure 1 and Figure 2, forming mould for air valve of the present invention, comprise die ontology 1 and mold cavity 2, die ontology 1 is comprised of the cavity 12 of matrix 11 and embedding matrix 11, mold cavity 2 is comprised of cavity die cavity 21 and matrix die cavity 22, and cavity 12 is processed according to the method according to above-mentioned processing forming mould for air valve by the W6Mo5Cr4V3 high-speed steel, and the material of matrix 11 is H13, after cavity 12 embeds matrix 11, cavity die cavity 21 and matrix die cavity 22 carry out integral body processing.
Cavity is to be processed according to the method for processing forming mould for air valve described above by the W6Mo5Cr4V3 high-speed steel, hardness is controlled at HRC60-62, has higher impact flexibility, has extended the service life of mould, reduce workman's die change number of times, improved production efficiency; While using this mould to produce, do not need graphite oil cooling yet, improved working environment; Also need only carry out polishing to mould repair, repair also more easy.Simultaneously, due to W6Mo5Cr4V3, relatively the eighteenth of the twenty is expensive, adopts damascene structures, and matrix H13 is mould steel, has reduced the consumption of W6Mo5Cr4V3 material, has also reduced the material cost of mould.
Claims (1)
1. the processing method of a forming mould for air valve, is characterized in that, described forming mould for air valve possesses following structure:
Comprise die ontology (1) and mold cavity (2), described die ontology (1) is comprised of the cavity (12) of matrix (11) and the described matrix of embedding, described mold cavity (2) is comprised of cavity die cavity (21) and matrix die cavity (22), described cavity (12) is processed by the W6Mo5Cr4V3 high-speed steel, and the processing method of described cavity is as follows:
(1) blank carries out ten upsettings ten and pulls out and forge;
(2) annealing: after being warming up to 860 ℃, insulation 1.5-2.5 hour, then open fire door, after blank is cooled to 750 ℃, then is incubated 1.5-2.5 hour, when stove is chilled to 500-550 ℃, comes out of the stove, cooling with room temperature;
(3) carry out roughing;
(4) 1220 ℃ of quenchings;
(5) after after the heating, workpiece is cooled to 350-400 ℃ in quenching oil, air is cooling;
(6) tempering: adopt 600-650 ℃ of tempering four times;
(7) fine finishining;
(8) mold cavity surface polishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102746210A CN102380920B (en) | 2010-08-31 | 2010-08-31 | Machining method of air valve forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102746210A CN102380920B (en) | 2010-08-31 | 2010-08-31 | Machining method of air valve forming die |
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| CN102380920A CN102380920A (en) | 2012-03-21 |
| CN102380920B true CN102380920B (en) | 2013-12-11 |
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| CN105081109A (en) * | 2015-09-01 | 2015-11-25 | 无锡贺邦金属制品有限公司 | Production method for cold pressing molds |
| CN105583593A (en) * | 2016-02-25 | 2016-05-18 | 成都亨通兆业精密机械有限公司 | High-speed machining technology for automobile die |
| CN106732180A (en) * | 2016-11-29 | 2017-05-31 | 江苏鸿舜生物能源开发有限公司 | A kind of biomass granulation machine ring mould and preparation method thereof |
| CN109570916A (en) * | 2018-11-12 | 2019-04-05 | 重庆羿业气门有限公司 | A kind of improved mould and its processing method |
| CN112705917B (en) * | 2020-12-22 | 2022-12-16 | 浙江金固股份有限公司 | Machining method of linked punching lower die |
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| JP2003236670A (en) * | 2002-02-14 | 2003-08-26 | Jfe Techno-Wire Corp | Method and device for deburring |
| GB2391158B (en) * | 2002-07-29 | 2004-10-27 | Pegasus Horseshoes Ltd | Farrier's nail stamp |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 225200 Jiangsu dinghuo Town Jiangdu City Yangzhou Guanghui internal combustion engine fittings Co. Ltd. Patentee after: Yangzhou Guanghui Auto Parts Co.,Ltd. Address before: 225200 Jiangsu dinghuo Town Jiangdu City Yangzhou Guanghui internal combustion engine fittings Co. Ltd. Patentee before: YANGZHOU GUANGHUI INTERAL COMBUSTION ENGINE ACCESSORY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Processing Method for Valve Forming Mold Granted publication date: 20131211 Pledgee: Yangzhou Branch of Societe Generale Bank Co.,Ltd. Pledgor: YANGZHOU GUANGHUI AUTOMOTIVE COMPONENTS LTD. Registration number: Y2024980014635 |
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