CN101288889A - Ultra-high strength steel hot stamping forming die - Google Patents
Ultra-high strength steel hot stamping forming die Download PDFInfo
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- CN101288889A CN101288889A CNA2007100396051A CN200710039605A CN101288889A CN 101288889 A CN101288889 A CN 101288889A CN A2007100396051 A CNA2007100396051 A CN A2007100396051A CN 200710039605 A CN200710039605 A CN 200710039605A CN 101288889 A CN101288889 A CN 101288889A
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Abstract
The invention discloses an ultra-high strength steel plate thermal die cutting and forming die, comprising an upper die seat and a convex die which is fixed on the upper die seat, a lower die seat and a concave die that is fixed on the lower die seat; the concave die is internally provided with a cooling water passage which is connected with a cooling water circulation system. More particularly, the concave die is compose of a trough-shaped concave die seat and a cavity body; the concave die seat is provided with a water inlet and a water outlet; the cavity body is arranged in the concave trough of the concave die seat; a gap is arranged between the cavity body and the concave die seat; the gap is communicated with the water inlet and the water outlet. The die improves cooling speed, ensures the uniformity of cooling, has simple and practical structure, and fast cools the die and the punching parts in the die by the water cooling system of the die, so as to achieve the effect of quenching. As the process is completed under the pressure preservation process of the die, the workpiece has extremely small deformation and the dimension precision of the punching part can be excellently ensured.
Description
Technical field
The present invention relates to a kind of diel, particularly a kind of hot stamping forming die.
Background technology
Now, people generally begin to pay attention to the security and the environmental protection and energy saving of automobile, use ultrahigh-strength steel plates and make vehicle body, can alleviate deadweight under the condition of the crashworthiness of guaranteeing automobile.The most economical method of processing ultrahigh-strength steel plates adopts the hot forming technology exactly.Make a general survey of the hot-forming die processing ultrahigh-strength steel plates of other types, its major defect just is the equipment needed thereby bulky complex.Some moulds utilize gas cooling technology, and the pore by processing on mould, air flue etc. are ejected into the product surface with refrigerating gas, realize the gas quenching effect to product.This class mould structure complexity, cost costliness.In use, the preparation of refrigerating gas, storage, conveying etc. all have inconvenience.Also having a kind of more backward technology is directly it to be dropped in the quenching bath after the drop stamping product is taken out fast, because sheet metal component belongs to the shell part, adopts this method to make that the product distortion is serious, because the variation of geomery causes percent defective high.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of more simple and practical hot stamping forming die, and it adopts Water Cooling Technology, can satisfy the requirement of drop stamping moulding process better.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of ultra-high strength steel hot stamping forming die, comprise upper bolster and be fixed on punch, the die shoe on the upper bolster and be fixed on die on the die shoe, be provided with cooling-water duct in the described die, described cooling-water duct is connected with a cooling water recirculation system.
After using mould of the present invention that ultrahigh-strength steel plates is carried out the matched moulds drop stamping, the water-cooling system of utilizing mould to carry in pressure maintaining period is cooled off fast to mould and stamping parts wherein, reaches the effect of quenching.Because this process is to finish in the pressure maintaining period of mould, so the distortion of workpiece is very little, can guarantee the dimensional accuracy of stamping parts well.Because mould steel is the good conductor of heat, as long as reasonably design the passage of cooling water, reasonably control the flow and the flow velocity of cooling water, just can realize satisfying the cooling velocity of technological requirement.
A kind of preferred version as technique scheme, described die is made of die socket and a die cavity body of a groove shape, die socket is provided with water inlet and delivery port, described die cavity body is located in the groove of die socket, be provided with the space between die cavity body and the die socket, described space is connected with water inlet, delivery port.After feeding cooling water, the water that is cooled of the space between die cavity body and the die socket is filled, and water inlet, delivery port on it and the die socket constitute cooling-water duct jointly.The die cavity body is the equal of to be located in the tank, with cooling water very big contact area is arranged, and has not only improved the speed of cooling, has also guaranteed the uniformity of cooling.
As a kind of preferred scheme, also be provided with cooling-water duct in the described punch, the cooling-water duct in the described punch also is connected with cooling water recirculation system.Punch is also taked cooling provision, can further improve the cooling velocity of stamping parts and the uniformity of cooling.
The present invention is applied in the ultra-high strength steel hot stamping processing, and compared with prior art, it has advantage and beneficial effect also is embodied in: 1. replace air cooling with water-cooled; The acquisition at water source is more much easier than source of the gas.The storage of source of the gas needs pressure vessel, has certain danger.The leakage of gas in storage and transport process is difficult for discovering, and the then easier sealing of water is even it is also comparatively limited to leak its harmfulness.Refrigerating gas can't be recycled, and is dissipated in the atmosphere, is unfavorable for environmental protection.The cooling water that uses in this mould only needs simple process to reuse, and is the process equipment of environmental protection.2. combined type die; Adopt embedded design, design cooling-water duct and layout heat radiation between die cavity body and die socket.This measure significantly improves the heat exchange usefulness of mould and water.Simultaneously, the manufacturing of this structure, assembling, operational maintenance all are easy to.3. crudy and efficient height; Adopt this mould to carry out drop stamping processing, can realize the pressurize shaping process of product after the punching press, this measure can significantly reduce the thermal deformation and the spring-back effect of product, and the solid quenching process of product is melted into wherein carries out simultaneously, with this mechanical strength and dimensional accuracy that improves the product material, saved and adopted the necessary follow-up quenching technical of other moulds.4. die life is long; Use traditional moulds to carry out hot forming processing, mold surface temperature changes violent, is easy to generate the heat fatigue effect, and its inside also produces thermal stress because of variations in temperature, therefore causes the mould cracking, and failure phenomenons such as surface checking produce too early.And the present invention can reduce the diel temperature, avoids the adverse effect of being come by the torrid zone.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Fig. 1 is the structural representation of a kind of ultra-high strength steel hot stamping forming die of the present invention.
Fig. 2 is a kind of STRUCTURE DECOMPOSITION figure of combined type die.
Fig. 3 is the layout schematic diagram of cooling-water duct in the punch.
The specific embodiment
As shown in Figure 1, punch 2 is fixed on the upper bolster 1, and die 4 is fixed on the die shoe 5, is provided with cooling-water duct 3 in the die 4, and cooling-water duct 3 is connected with a cooling water recirculation system.When carrying out drop stamping, be arranged in the cooling water that feeds circulation in the cooling-water duct in the die, die is lowered the temperature rapidly, reach the effect that solid quenches.
Shown in Figure 2 is the die structure of a kind of preferred embodiment of the present invention, it has adopted the combined type die, die socket 9 and a die cavity body 6 by a groove shape constitute, die socket 9 is provided with water inlet 7 and delivery port 10, die cavity body 6 is located in the groove 8 of die socket 9, be provided with the space between die cavity body 6 and the die socket 9, this space is connected with water inlet 7, delivery port 10.After feeding cooling water, the water that is cooled of the space between die cavity body 6 and the die socket 9 is filled, and the water inlet 7 on it and the die socket 9, delivery port 10 be formation cooling-water ducts 3 jointly.Be the equal of a tank behind the feeding cooling water in the groove 8 of die socket 9, die cavity body 6 just is located in this tank, with cooling water very big contact area is arranged, and has not only improved the speed of cooling, has also guaranteed the uniformity of cooling.
Shown in Figure 3 is the punch structure of the another kind of preferred embodiment of the present invention, has also arranged cooling-water duct in punch, and the cooling-water duct in this punch also is connected with cooling water recirculation system.Current flow at the water channel vertical with the punch loading end via design, in cross channel, carry out heat exchange with mould after, flow out from the vertical water channel of opposite side.Punch is also taked cooling provision, can further improve the cooling velocity of stamping parts and the uniformity of cooling.The advantage of this design is easily manufactured, and is with low cost, good water-cooling effect.But because punch is movable in practice, connecting pipe must be used flexible pipe, and must reserve the activity space of flexible pipe.
That utilization of the present invention is arranged on is protruding, the cooling-water duct in the die, cooperate cooling water recirculation system, the drop stamping distortion and the quenching process of ultrahigh-strength steel plates carried out structure not only compactness but also safety simultaneously, can bear large tonnage load, shorten the punch process cycle.Especially, the structural design of embedded compound die realizes the core of this technological break-through especially.
More than be the main explanation of hot-forming die of the present invention, but in concrete utilization process, Cooling System Design can be accepted or rejected or adjust as required, for pursuing production efficiency, the occasion that punching press rhythm is fast can take to increase methods such as intake-outlet, to strengthen the cooling effect of mould.Do not possess the occasion of water flowing condition at some moving punch, adopt and assign the method for heat pipe can make mould possess certain cooling performance yet.
Claims (3)
1. ultra-high strength steel hot stamping forming die, comprise upper bolster (1) and be fixed on punch (2), the die shoe (5) on the upper bolster and be fixed on die (4) on the die shoe, it is characterized in that: be provided with cooling-water duct (3) in the described die (4), described cooling-water duct (3) is connected with a cooling water recirculation system.
2. ultra-high strength steel hot stamping forming die according to claim 1, it is characterized in that: described die (4) is made of the die socket (9) and a die cavity body (6) of a groove shape, die socket (9) is provided with water inlet (7) and delivery port (10), described die cavity body (6) is located in the groove (8) of die socket (9), be provided with the space between die cavity body (6) and the die socket (9), described space is connected with water inlet (7), delivery port (10).
3. ultra-high strength steel hot stamping forming die according to claim 1 and 2 is characterized in that: described punch also is provided with cooling-water duct in (2), and the cooling-water duct in the described punch also is connected with cooling water recirculation system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710039605 CN101288889B (en) | 2007-04-18 | 2007-04-18 | Ultra-high strength steel hot stamping forming die |
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| CN 200710039605 CN101288889B (en) | 2007-04-18 | 2007-04-18 | Ultra-high strength steel hot stamping forming die |
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| CN101288889A true CN101288889A (en) | 2008-10-22 |
| CN101288889B CN101288889B (en) | 2012-07-11 |
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| CN 200710039605 Active CN101288889B (en) | 2007-04-18 | 2007-04-18 | Ultra-high strength steel hot stamping forming die |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972814A (en) * | 2010-10-25 | 2011-02-16 | 机械科学研究总院先进制造技术研究中心 | Ultra-high strength steel hot-stamping die for car door anticollision beam |
| CN102151780A (en) * | 2011-03-02 | 2011-08-17 | 青岛益友锻压机械有限公司 | Complex part precision forging die with back pressure structure |
| CN102233385A (en) * | 2010-04-29 | 2011-11-09 | 昆山嘉华电子有限公司 | High speed stamping die with cooling structure |
| CN101716629B (en) * | 2009-11-24 | 2012-06-13 | 机械科学研究总院先进制造技术研究中心 | Hot stamping die of integrated cooling pipeline |
| CN101767195B (en) * | 2010-02-02 | 2012-07-04 | 合肥大道模具有限责任公司 | Aluminum alloy pattern ring low-pressure cast outer mold structure and low-pressure casting method |
| CN102641960A (en) * | 2012-05-03 | 2012-08-22 | 山东大王金泰集团有限公司 | Manufacture method of hot stamping mould cavity |
| CN102716979A (en) * | 2012-05-31 | 2012-10-10 | 芜湖博大机械制造有限责任公司 | Stamping die for installation plate of automobile shock absorber bearing |
| CN102989882A (en) * | 2012-11-09 | 2013-03-27 | 无锡市亚青机械厂 | Loader coaming profiling mold |
| CN103386444A (en) * | 2013-07-24 | 2013-11-13 | 陈扬 | Cooling liquid direct cooling process and device of thermal forming mold based on boron steel plates |
| CN103521625A (en) * | 2013-10-31 | 2014-01-22 | 无锡市金杨新型电源有限公司 | Drawing die |
| CN103658289A (en) * | 2013-12-23 | 2014-03-26 | 安徽江淮汽车股份有限公司 | Punching forming method and die |
| CN103658408B (en) * | 2013-12-21 | 2016-03-02 | 吉林大学 | A kind of gas assists quick matched moulds super-high strength steel hot mould |
| CN105880385A (en) * | 2016-05-09 | 2016-08-24 | 上海交通大学 | Hot-stamping die and hot-stamping machining method |
| CN108326151A (en) * | 2018-04-13 | 2018-07-27 | 吉林工程技术师范学院 | A kind of high-speed stamping die with cooling structure |
| CN108356150A (en) * | 2018-01-31 | 2018-08-03 | 温州鹏业机械有限公司 | The lower die of hot stamping die |
| CN108941315A (en) * | 2018-07-26 | 2018-12-07 | 黔西南州万宏机械制造有限责任公司 | It is a kind of can noise reduction stamping equipment |
| CN108971345A (en) * | 2018-09-13 | 2018-12-11 | 招商局铝业(重庆)有限公司 | High-strength aluminum alloy case thermoforming drawing die and method |
| CN106660097B (en) * | 2014-10-29 | 2019-07-16 | 宝马股份公司 | For manufacturing the mold of hot formed member |
| CN110090871A (en) * | 2018-01-31 | 2019-08-06 | 上海交通大学 | Control the sub- hot obliterated extrusion manufacturing process of phase transformation |
| US10537928B2 (en) | 2014-10-29 | 2020-01-21 | Bayerische Motoren Werke Aktiengesellschaft | Molding tool for producing hot-formed components |
| CN112893655A (en) * | 2021-01-21 | 2021-06-04 | 李季峰 | Stamping deformation device for automobile sheet metal part |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2842753B1 (en) * | 2002-07-26 | 2005-03-11 | Financ D Etudes Et De Dev Ind | METHOD FOR PRODUCING A TOOL FOR FORMING A MATERIAL AND TOOL WHICH CAN BE CARRIED OUT BY THIS METHOD |
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2007
- 2007-04-18 CN CN 200710039605 patent/CN101288889B/en active Active
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101716629B (en) * | 2009-11-24 | 2012-06-13 | 机械科学研究总院先进制造技术研究中心 | Hot stamping die of integrated cooling pipeline |
| CN101767195B (en) * | 2010-02-02 | 2012-07-04 | 合肥大道模具有限责任公司 | Aluminum alloy pattern ring low-pressure cast outer mold structure and low-pressure casting method |
| CN102233385A (en) * | 2010-04-29 | 2011-11-09 | 昆山嘉华电子有限公司 | High speed stamping die with cooling structure |
| CN101972814A (en) * | 2010-10-25 | 2011-02-16 | 机械科学研究总院先进制造技术研究中心 | Ultra-high strength steel hot-stamping die for car door anticollision beam |
| CN102151780A (en) * | 2011-03-02 | 2011-08-17 | 青岛益友锻压机械有限公司 | Complex part precision forging die with back pressure structure |
| CN102641960A (en) * | 2012-05-03 | 2012-08-22 | 山东大王金泰集团有限公司 | Manufacture method of hot stamping mould cavity |
| CN102716979A (en) * | 2012-05-31 | 2012-10-10 | 芜湖博大机械制造有限责任公司 | Stamping die for installation plate of automobile shock absorber bearing |
| CN102989882A (en) * | 2012-11-09 | 2013-03-27 | 无锡市亚青机械厂 | Loader coaming profiling mold |
| CN102989882B (en) * | 2012-11-09 | 2015-06-24 | 无锡市亚青机械厂 | Loader coaming profiling mold |
| CN103386444A (en) * | 2013-07-24 | 2013-11-13 | 陈扬 | Cooling liquid direct cooling process and device of thermal forming mold based on boron steel plates |
| CN103386444B (en) * | 2013-07-24 | 2016-03-02 | 陈扬 | The direct-cooled technique of cooling fluid based on the hot-forming die of boron steel steel plate and device |
| CN103521625A (en) * | 2013-10-31 | 2014-01-22 | 无锡市金杨新型电源有限公司 | Drawing die |
| CN103521625B (en) * | 2013-10-31 | 2016-03-30 | 无锡市金杨新型电源有限公司 | A kind of drawing die |
| CN103658408B (en) * | 2013-12-21 | 2016-03-02 | 吉林大学 | A kind of gas assists quick matched moulds super-high strength steel hot mould |
| CN103658289B (en) * | 2013-12-23 | 2015-09-30 | 安徽江淮汽车股份有限公司 | A kind of impact forming method and mould |
| CN103658289A (en) * | 2013-12-23 | 2014-03-26 | 安徽江淮汽车股份有限公司 | Punching forming method and die |
| CN106660097B (en) * | 2014-10-29 | 2019-07-16 | 宝马股份公司 | For manufacturing the mold of hot formed member |
| US10537928B2 (en) | 2014-10-29 | 2020-01-21 | Bayerische Motoren Werke Aktiengesellschaft | Molding tool for producing hot-formed components |
| CN105880385A (en) * | 2016-05-09 | 2016-08-24 | 上海交通大学 | Hot-stamping die and hot-stamping machining method |
| CN108356150A (en) * | 2018-01-31 | 2018-08-03 | 温州鹏业机械有限公司 | The lower die of hot stamping die |
| CN110090871A (en) * | 2018-01-31 | 2019-08-06 | 上海交通大学 | Control the sub- hot obliterated extrusion manufacturing process of phase transformation |
| CN108326151A (en) * | 2018-04-13 | 2018-07-27 | 吉林工程技术师范学院 | A kind of high-speed stamping die with cooling structure |
| CN108326151B (en) * | 2018-04-13 | 2019-11-05 | 吉林工程技术师范学院 | A kind of high-speed stamping die with cooling structure |
| CN108941315A (en) * | 2018-07-26 | 2018-12-07 | 黔西南州万宏机械制造有限责任公司 | It is a kind of can noise reduction stamping equipment |
| CN108971345A (en) * | 2018-09-13 | 2018-12-11 | 招商局铝业(重庆)有限公司 | High-strength aluminum alloy case thermoforming drawing die and method |
| CN112893655A (en) * | 2021-01-21 | 2021-06-04 | 李季峰 | Stamping deformation device for automobile sheet metal part |
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| CN101288889B (en) | 2012-07-11 |
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