CN203459536U - Modularization hot stamping die capable of conducting forming at different temperatures - Google Patents

Modularization hot stamping die capable of conducting forming at different temperatures Download PDF

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Publication number
CN203459536U
CN203459536U CN201320597097.XU CN201320597097U CN203459536U CN 203459536 U CN203459536 U CN 203459536U CN 201320597097 U CN201320597097 U CN 201320597097U CN 203459536 U CN203459536 U CN 203459536U
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China
Prior art keywords
die
heating
cooling
hot stamping
module
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Expired - Fee Related
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CN201320597097.XU
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Chinese (zh)
Inventor
刘洪伟
赵洪运
张鹏
王卫卫
于静泊
王刚
王国栋
高义新
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Harbin Institute of Technology
Harbin Institute of Technology Weihai
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Harbin Institute of Technology Weihai
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Priority to CN201320597097.XU priority Critical patent/CN203459536U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to a modularization hot stamping die capable of conducting forming at different temperatures. The modularization hot stamping die comprises die plates, heating die blocks and cooling die blocks, wherein the heating die blocks are fixed the two sides of the die plates respectively through bolts, the cooling die blocks are fixed between the die plates through bolts, heating bars are arranged in the heating die blocks and evenly conduct heating, the contact faces between the cooling die blocks and the die plates are provided with water inlet holes and water outlet holes, a plurality of surface cooling pipelines are arranged inside each cooling die block along the outline of the working surface of the cooling die block, accordingly, water inlets and water outlets are formed in each die plate, and the cooling die blocks are cooled through circulating water. According to the modularization hot stamping die, a part of die blocks are heated, the other die blocks are cooled, and therefore district cooling is achieved, and hot stamping parts with performance gradient are obtained. The modularization hot stamping die is reasonable in structure, and can produce temperature gradient for the same hot stamping part by controlling the cooling speeds in different positions so that the hot stamping part can have the good comprehensive mechanical property.

Description

A kind of modularization temperature-differential forming hot stamping die
Technical field
The utility model belongs to field of hot stamping forming, is a kind of modularization temperature-differential forming hot stamping die specifically.
Background technology
Along with more and more higher to automobile environment-protection and light-weighted requirement, to guarantee security simultaneously, in order to tackle this development trend, the heat stamping and shaping technology of high-strength boron steel plate is a development trend of automobile industry.
After heat stamping and shaping, the intensity of stamping parts surpasses 1400MPa, and the part of the complicated shape that can be shaped, is conducive to eliminate the defects such as resilience, in the auto parts such as middle passage, B post, Crashworthy plate, is with a wide range of applications.
Because the lightweight of automobile and the requirement of security performance improve constantly, stamping parts not only will have higher intensity, and need to there is higher plastic deformation ability, therefore, the stamping parts with comprehensive mechanical property has a wide range of applications future, at present, for reaching the combination property of stamping parts, part after the punch forming of most employing different materials welds, also have a small amount of employing laser assembly solder plate to carry out punch forming auto parts, and adopt commaterial moulding and there is the application of good comprehensive mechanical property also rare.Up to now, on market, also there is no special-purpose modularization temperature-differential forming hot stamping die.
Summary of the invention
Technical problem to be solved in the utility model is in order to overcome above-mentioned the deficiencies in the prior art, provide a kind of structure reasonable, easy to operate, reliable, by controlling the cooling velocity of diverse location, can the cooling modularization temperature-differential forming hot stamping die that same drop stamping part generation thermograde is made it have to good comprehensive mechanical property of subregion.
The technical scheme in the invention for solving the above technical problem is: a kind of modularization temperature-differential forming hot stamping die, it is characterized in that: it comprises template, heating module, refrigerating module, and described heating module is bolted on respectively the both sides of template; Described refrigerating module is bolted on respectively in the middle of template; In described heating module, heating rod is installed, by heating rod, carries out homogeneous heating; The contact-making surface of described refrigerating module and template is longitudinally provided with paddle hole, refrigerating module along the shape of working surface within it portion be provided with some surface cool pipelines; In described template, be correspondingly provided with intake-outlet, by recirculated water, to refrigerating module, carry out cooling.
Between described heating module and template, be respectively equipped with thermal insulation board.
Between described refrigerating module, laterally by connecting bolt, connect, between refrigerating module end face, surface cool pipeline is provided with high-temperature resistant seal ring, and the surface cool pipeline between refrigerating module end face is directly communicated with.
The utility model adopts technique scheme, by a part of module is heated, and that another part module is carried out is cooling, realize same stamping parts different parts and there is different cooling velocities, reach the cooling object of subregion, thereby realize boron plate heat-punch member, there is comprehensive mechanics and structure property, obtain the drop stamping part with capability gradient.Heating module correspondence position has lower intensity and higher percentage elongation, and has the tensile strength up to 1500MPa for refrigerating module corresponding part, but less percentage elongation.Adopt ceramic heat-insulation board that heating module and template are kept apart, prevent that heat from passing in template.The gap between heating module and refrigerating module with 5mm, realizes mould zones of different and has different temperature, thereby realizes in drop stamping process, and different parts has different cooling velocities, can obtain the drop stamping part with capability gradient.Against existing technologies, the utility model structure rationally, easy to operate, reliable, by controlling the cooling velocity of diverse location, can produce thermograde to same drop stamping part and make it have good comprehensive mechanical property, be a kind of desirable modularization temperature-differential forming hot stamping die.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Fig. 1 is that the utility model forms structural representation.
Fig. 2 is the structural representation of the utility model heating module.
Fig. 3 is the structural representation of the utility model refrigerating module.
Fig. 4 is the structural representation of the utility model cope match-plate pattern.
Label in figure is: 1. heating module, 2. refrigerating module, 3. refrigerating module, 4. cope match-plate pattern, 5. heating module, 6. thermal insulation board, 7. lower bolster.1-1. heating rod installing hole, 1-2. bolt hole, 2-1. surface cool pipeline, 2-2. bolt connecting hole, 2-3. inlet opening, 2-4. bolt hole, 2-5. positioning key.4-1. water inlet, 4-2. delivery port, 4-3. bolt hole.
The specific embodiment
As can be seen from Figure 1, a kind of modularization temperature-differential forming hot stamping die, it comprises cope match-plate pattern 4, lower bolster 7, heating module and refrigerating module.Mould adopts fraction block structure, and four heating modules are bolted on respectively the both sides of cope match-plate pattern and lower bolster, and at least two refrigerating modules are bolted on respectively in the middle of cope match-plate pattern, lower bolster.Heating module 1, middle refrigerating module, heating module 5 form the patrix of diel together with cope match-plate pattern 4.Other heating module, refrigerating module form the counterdie of diel together with lower bolster.Because heating module, refrigerating module are identical with being combined to form of cope match-plate pattern or lower bolster, therefore the upper die structure only forming with heating module, refrigerating module and cope match-plate pattern below describes.
As shown in Figure 1, described heating module 1, heating module 5 are bolted on respectively the both sides of cope match-plate pattern 4; Described refrigerating module 2, refrigerating module 3 are bolted on respectively in the middle of cope match-plate pattern 4.Owing to wanting processing parts mid portion to need higher intensity, both sides need in collision process, by plastic deformation, to absorb collision energy again, therefore will have higher plasticity.Therefore, refrigerating module is installed in the middle of the mould, by recirculated water, is undertaken coolingly, and heating module is installed in mould both sides, by heating rod, carry out homogeneous heating.
As shown in Figure 2, in described heating module 1, horizontal direction is provided with some heating rod installing hole 1-1, and heating rod is wherein installed, and by heating rod, carries out homogeneous heating.Heating module 1 is longitudinally provided with some bolt hole 1-2, is used for by being fixedly connected with cope match-plate pattern 4 by bolt.Heating module 1 lower surface is working surface, and it has the shape identical with the part shaped upper part of product.
The structure of heating module 5 and being connected with cope match-plate pattern 4 is as above identical.
As shown in Figure 3, described refrigerating module 2 is longitudinally provided with inlet opening 2-3 with the contact-making surface of cope match-plate pattern 4, refrigerating module 2 along the shape of working surface within it portion be provided with some surface cool pipeline 2-1; Paddle hole and surface cool pipeline 2-1 are connected.Refrigerating module 2 is interior is longitudinally provided with some bolt hole 2-4, is used for being fixedly connected with cope match-plate pattern 4 by bolt.Refrigerating module 2 transverse horizontal are provided with bolt connecting hole 2-2, laterally by connecting bolt, are connected and fixed between between described refrigerating module 2 and refrigerating module 3.On the contact-making surface of refrigerating module 2 and cope match-plate pattern 4, be also provided with assembling and positioning key 2-5, so that and cope match-plate pattern 4 orientation assembles.Between described refrigerating module 2,3 end faces, surface cool pipeline is provided with high-temperature resistant seal ring, and the surface cool pipeline between refrigerating module end face is directly communicated with.Rely on the connection power of the connecting bolt between refrigerating module, the high-temperature seal ring between compression cooling pipe is realized sealing.
As shown in Figure 4, on described cope match-plate pattern 4, be correspondingly provided with cooling water intake 4-1 and delivery port 4-2, the corresponding connection of inlet opening 2-3 of the cooling water intake 4-1 on cope match-plate pattern 4 and refrigerating module 2.The corresponding connection of apopore of the cooling water outlet 4-2 on cope match-plate pattern 4 and refrigerating module 3, corresponding refrigerating module 3 is longitudinally provided with apopore with the contact-making surface of cope match-plate pattern 4.Like this, between cope match-plate pattern 4 and refrigerating module 2, refrigerating module 3, just formed water-flow circuit, water flows into from water inlet 4-1, distributes to each surface cool pipeline, then from delivery port, flows out.By the heat exchange between cooling water and mould, reach cooling object, to refrigerating module, carry out cooling.Refrigerating module 2, refrigerating module 3 lower surfaces are working surfaces, and it has the shape identical with the part shaped upper part of product.
The utility model heating module 1, middle refrigerating module 2, refrigerating module 3, heating module 5 form the patrix of diel together with cope match-plate pattern 4.
Between heating module described in the utility model and cope match-plate pattern, lower bolster, be respectively equipped with thermal insulation board 6.Adopt resistance heated rod to heat heating module, and keep heating module mold temperature 400 ℃ of left and right, for avoiding the heat of heating module to be transmitted on cope match-plate pattern and lower bolster, adopt ceramic heat-insulation board 6 that heating module and template are kept apart.Prevent that heat from passing in template.
The utility model is by heating a part of module, and that another part module is carried out is cooling, realize same stamping parts different parts and there is different cooling velocities, reach the cooling object of subregion, thereby realize boron plate heat-punch member, there is comprehensive mechanics and structure property, obtain the drop stamping part with capability gradient.Heating module correspondence position has lower intensity and higher percentage elongation, and has the tensile strength up to 1500MPa for refrigerating module corresponding part, but less percentage elongation.Adopt ceramic heat-insulation board that heating module and template are kept apart, prevent that heat from passing in template.The gap between heating module and refrigerating module with 5mm, realizes mould zones of different and has different temperature, thereby realizes in drop stamping process, and different parts has different cooling velocities, can obtain the drop stamping part with capability gradient.
The utility model structure is rationally, easy to operate, reliable, and by controlling the cooling velocity of diverse location, can produce thermograde to same drop stamping part and make it have good comprehensive mechanical property, be a kind of desirable modularization temperature-differential forming hot stamping die.

Claims (3)

1. a modularization temperature-differential forming hot stamping die, is characterized in that: it comprises template, heating module, refrigerating module, and described heating module is bolted on respectively the both sides of template; Described refrigerating module is bolted on respectively in the middle of template; In described heating module, heating rod is installed, by heating rod, carries out homogeneous heating; The contact-making surface of described refrigerating module and template is longitudinally provided with paddle hole, refrigerating module along the shape of working surface within it portion be provided with some surface cool pipelines; In described template, be correspondingly provided with intake-outlet, by recirculated water, to refrigerating module, carry out cooling.
2. modularization temperature-differential forming hot stamping die according to claim 1, is characterized in that: between described heating module and template, be respectively equipped with thermal insulation board.
3. modularization temperature-differential forming hot stamping die according to claim 1, it is characterized in that: between described refrigerating module, laterally by connecting bolt, connect, between refrigerating module end face, surface cool pipeline is provided with high-temperature resistant seal ring, and the surface cool pipeline between refrigerating module end face is directly communicated with.
CN201320597097.XU 2013-09-26 2013-09-26 Modularization hot stamping die capable of conducting forming at different temperatures Expired - Fee Related CN203459536U (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103464607A (en) * 2013-09-26 2013-12-25 哈尔滨工业大学(威海) Modularized differential temperature forming hot punching mold
CN104907420A (en) * 2015-07-08 2015-09-16 武汉理工大学 Medium-thick plate differential thermal volume forming device and process
CN106457337A (en) * 2014-08-05 2017-02-22 宝马股份公司 Method for producing hot-formed components
CN111589920A (en) * 2020-05-11 2020-08-28 首钢集团有限公司 Hot stamping method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103464607A (en) * 2013-09-26 2013-12-25 哈尔滨工业大学(威海) Modularized differential temperature forming hot punching mold
CN106457337A (en) * 2014-08-05 2017-02-22 宝马股份公司 Method for producing hot-formed components
CN106457337B (en) * 2014-08-05 2019-12-17 宝马股份公司 Method for producing a thermoformed component
US10876179B2 (en) 2014-08-05 2020-12-29 Bayerische Motoren Werke Aktiengesellschaft Method for producing hot-formed components
CN104907420A (en) * 2015-07-08 2015-09-16 武汉理工大学 Medium-thick plate differential thermal volume forming device and process
CN111589920A (en) * 2020-05-11 2020-08-28 首钢集团有限公司 Hot stamping method

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Granted publication date: 20140305

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