CN204182791U - Hot stamping die - Google Patents
Hot stamping die Download PDFInfo
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- CN204182791U CN204182791U CN201420546875.7U CN201420546875U CN204182791U CN 204182791 U CN204182791 U CN 204182791U CN 201420546875 U CN201420546875 U CN 201420546875U CN 204182791 U CN204182791 U CN 204182791U
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Abstract
The utility model discloses a kind of hot stamping die, comprise cope match-plate pattern and lower bolster, the lower surface of described cope match-plate pattern is provided with die module, the upper surface of described lower bolster is provided with punch module, wherein, described die module comprises die heating insert, die transition insert and the die cooling insert that the length direction along described cope match-plate pattern connects successively, is provided with heater block, is provided with cooling water connector in described die cooling insert in described die heating insert; Described punch module comprises punch heating insert, punch transition insert and the punch cooling insert that the length direction along described lower bolster connects successively, be provided with described heater block in described punch heating insert, in described punch cooling insert, be provided with described cooling water connector.Adopt hot stamping die of the present utility model, the part processed can be made to have different mechanical properties.
Description
Technical field
The utility model relates to hot press-formed apparatus field, and specifically, the utility model relates to a kind of hot stamping die.
Background technology
Hot press-formed technology a kind ofly utilizes the metal feature that plasticity and ductility increase sharply at high operating temperatures, yield strength declines rapidly, and hot stamping die makes part forming, utilizes mold cools down to quench simultaneously and reach the new technology of superhigh intensity.Adopt drop stamping technology, not only can overcome traditional high strength steel plate forming difficulty, critical defect that parts size precision is low, and security, the comfortableness of automobile can be significantly improved, alleviate car weight, reduce gas emissions.Just because of these two advantages, hot press-formed technique is the study hotspot of current automobile, iron and steel and association area thereof.
In typical heat punching parts, B post (little assembly) affects the crucial sensible parts of automobile side crash performance, should prevent from excessive intrusion displacement occurring to injure occupant during side impact, some region (be connected with threshold stiffener region) is allowed conquassation distortion to occur to absorb energy (this part field strength can not be allowed excessively strong, or thickness being blocked up) when side impact again.Traditional design method be adopt drop stamping part and cold stamping part respectively punching press weld again, or unifiedly adopt relatively thin drop stamping part, then needing the region patch installing of strengthening.Traditional design method, manufacturing process is many, and manufacturing cost is high.And intensity adjustable drop stamping part is preferably solution, namely a part overall thermal is stamping, but part zones of different intensity is different.Generally speaking, require that the tensile strength of high intensity region is at about 1500MPa, and the tensile strength of hypo-intense region is at about 700MPa, the intensity of high intensity region and hypo-intense region is tried one's best uniform, smooth transition.
Existing research institution or enterprise have carried out the research of hot press-formed material, technique and mould abroad, as Arcelor just successfully developed commercial drop stamping steel plate USIBOR1500 as far back as 2002, and be the structural members such as automobile factory's production collision prevention girders, upright post reinforcing plate; The Benteler AG of Germany is global maximum drop stamping parts supplier.Nippon, Korea S's Pu item etc. are also carrying out the research of hot press-formed material, technique and mould in addition.
Utility model content
For solving the problem, the utility model provides a kind of hot stamping die, and it can make the part processed obtain different mechanical properties.
For achieving the above object, hot stamping die of the present utility model, comprises cope match-plate pattern and lower bolster, and the lower surface of described cope match-plate pattern is provided with die module, and the upper surface of described lower bolster is provided with punch module, wherein,
Described die module comprises die heating insert, die transition insert and the die cooling insert that the length direction along described cope match-plate pattern connects successively, be provided with heater block in described die heating insert, in described die cooling insert, be provided with cooling water connector;
Described punch module comprises punch heating insert, punch transition insert and the punch cooling insert that the length direction along described lower bolster connects successively, be provided with described heater block in described punch heating insert, in described punch cooling insert, be provided with described cooling water connector.
Preferably, described die heating insert and described punch heat in insert and are provided with temperature sensor.
Preferably, temperature sensor is provided with in described die transition insert and described punch transition insert.
Preferably, described heater block is electric heating tube, and all offer installing hole in described die heating insert and described punch heating insert, described electric heating tube is positioned at described installing hole.
Preferably, the quantity of described electric heating tube is multiple.
Preferably, described die module is threaded connection part and is fixed on described cope match-plate pattern.
Preferably, described punch module is threaded connection part and is fixed on described lower bolster.
Preferably, the upper surface of described lower bolster is fixed with guide plate, and described guide plate offers gathering sill; The lower surface of described cope match-plate pattern is fixed with guide pad, and described guide pad can insert described gathering sill.
Preferably, the quantity of described guide plate and described guide pad is two.
Hot stamping die of the present utility model, its die module and punch module are divided into and heat insert, transition insert and cool insert, and the part diverse location processed can be made to have different mechanical properties.Further, due to the existence of transition insert, the performance requirement in part transition district can be met well.
Accompanying drawing explanation
Fig. 1 is the structural representation of hot stamping die of the present utility model;
Fig. 2 is in the utility model, the structural representation of cope match-plate pattern and die module;
Fig. 3 is in the utility model, the structural representation of lower bolster and punch module.
Detailed description of the invention
Below, by reference to the accompanying drawings, structure of the present utility model and operation principle etc. are further described.
Hot stamping die of the present utility model, is provided with heating region, transitional region and cooled region, and for realizing the part processing intensity adjustable, namely the diverse location of part has different mechanical properties.
See Fig. 1, hot stamping die of the present utility model, comprise cope match-plate pattern 1 and lower bolster 6, the lower surface of cope match-plate pattern 1 is provided with die module 2, and die module 2 can be threaded connection part and be fixed on cope match-plate pattern 1, and this die module 2 is formed with cavity 21; The upper surface of lower bolster 6 is provided with punch module 5, and punch module 5 is threaded connection part and is fixed on lower bolster 6, and this punch module 5 is formed with the protuberance 51 that can be inserted in cavity 21.
See Fig. 2, die module 2 comprises die heating insert 201, die transition insert 202 and the die cooling insert 203 that the length direction (left and right directions in figure) along cope match-plate pattern 1 connects successively.Be provided with heater block in die heating insert 201, operationally can heat the region that part is positioned at this part, slow down its cooling velocity, make the austenite structure after heating change ferrite and cementite into.Be provided with cooling water connector 8 in die cooling insert 203, operationally can cooling water be accessed, thus accelerate the cooling velocity of this part, make the austenite structure after heating be quickly converted to martensite.
See Fig. 3, punch module 5 comprises punch heating insert 501, punch transition insert 502 and the punch cooling insert 503 that the length direction (left and right directions in figure) along lower bolster 6 connects successively, certainly, punch heating insert 501 corresponds to die heating insert 201 as shown in fig. 1, punch transition insert 502 corresponds to die transition insert 202, punch cooling insert 503 corresponds to die cooling insert 203.Similarly, be provided with heater block in punch heating insert 501, its effect is consistent with the effect that die heats insert 201; Be provided with cooling water connector 8 in punch cooling insert 503, its effect is consistent with the effect that die cools insert 203.
Continue as shown in Figure 1, aforesaid die heating insert 201 heat insert 501 with punch and constitutes heating region, and for knowing the temperature in this region, in the utility model, die heating insert 201 and punch heat in insert 501 and be provided with temperature sensor.Die heating insert 201 heats insert 501 with punch and adopts closed-loop automatic control, keep mold surface temperature at about 450 ~ 550 °, reduce the temperature difference of die surface and part, reduce the cooling rate of part, make this region of part obtain the tensile strength of about 700Mpa.
Heater block in heating region can be made many routines and select, it can realize the purpose of this utility model, as a kind of mode, heater block is electric heating tube (not indicating in figure), all offer installing hole 7 in die heating insert 201 and punch heating insert 501, electric heating tube is positioned at installing hole 7.The quantity of electric heating tube is preferably multiple, and it can be evenly arranged, and the distance of heating tube distance part profile is preferably 10-20mm.
Aforesaid die transition insert 202 constitutes transitional region with punch transition insert 502, certainly, also heater block can be set in this region, such as, electric heating tube and temp measuring system are set in die transition insert 202 with punch transition insert 502, realize the closed-loop automatic control of mold temperature, keep mold surface temperature at about 100 ~ 150 °, but can different width be set as required, to obtain good mechanical property.
Similarly, aforesaid die cooling insert 203 cools insert 503 with punch and constitutes cooled region.Cooled region can access cooling water by cooling water connector 8, to make the mold surface temperature in this region at about 10 ~ 20 °, part during pressurize is cooled fast, obtains the mechanical property of about 1500Mpa in this region.
In addition, for ease of matched moulds, in the utility model, the upper surface of lower bolster 6 is fixed with guide plate 4, and guide plate 4 offers gathering sill 401; The lower surface of cope match-plate pattern 1 is fixed with guide pad 3, and guide pad 3 can insert gathering sill 401.This mode, can be convenient to the precision ensureing matched moulds.As preferred embodiment, guide plate 4 is two with the quantity of guide pad 3.As shown in Fig. 2, Fig. 3, two guide pads 3 lay respectively at the position of cope match-plate pattern 1 near two ends, and two guide plates 4 lay respectively at the position of lower bolster 6 near two ends, its one_to_one corresponding.
This hot stamping die of the present utility model, goes for the bumper of automobile, collision prevention girders, B post and reinforcement thereof etc.
Above, be only schematic description of the present utility model, it will be recognized by those skilled in the art that on the basis of not departing from operation principle of the present utility model, can make multiple improvement to the utility model, this all belongs to protection domain of the present utility model.
Claims (9)
1. a hot stamping die, comprises cope match-plate pattern and lower bolster, and the lower surface of described cope match-plate pattern is provided with die module, and the upper surface of described lower bolster is provided with punch module, it is characterized in that,
Described die module comprises die heating insert, die transition insert and the die cooling insert that the length direction along described cope match-plate pattern connects successively, be provided with heater block in described die heating insert, in described die cooling insert, be provided with cooling water connector;
Described punch module comprises punch heating insert, punch transition insert and the punch cooling insert that the length direction along described lower bolster connects successively, be provided with described heater block in described punch heating insert, in described punch cooling insert, be provided with described cooling water connector.
2. hot stamping die as claimed in claim 1, is characterized in that, described die heating insert and described punch heat in insert and be provided with temperature sensor.
3. hot stamping die as claimed in claim 1, is characterized in that, be provided with temperature sensor in described die transition insert and described punch transition insert.
4. hot stamping die as claimed in claim 1, it is characterized in that, described heater block is electric heating tube, and all offer installing hole in described die heating insert and described punch heating insert, described electric heating tube is positioned at described installing hole.
5. hot stamping die as claimed in claim 4, it is characterized in that, the quantity of described electric heating tube is multiple.
6. the hot stamping die according to any one of Claims 1 to 5, is characterized in that, described die module is threaded connection part and is fixed on described cope match-plate pattern.
7. the hot stamping die according to any one of Claims 1 to 5, is characterized in that, described punch module is threaded connection part and is fixed on described lower bolster.
8. hot stamping die as claimed in claim 1, it is characterized in that, the upper surface of described lower bolster is fixed with guide plate, and described guide plate offers gathering sill; The lower surface of described cope match-plate pattern is fixed with guide pad, and described guide pad can insert described gathering sill.
9. hot stamping die as claimed in claim 8, it is characterized in that, the quantity of described guide plate and described guide pad is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420546875.7U CN204182791U (en) | 2014-09-23 | 2014-09-23 | Hot stamping die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420546875.7U CN204182791U (en) | 2014-09-23 | 2014-09-23 | Hot stamping die |
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| CN204182791U true CN204182791U (en) | 2015-03-04 |
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| CN201420546875.7U Active CN204182791U (en) | 2014-09-23 | 2014-09-23 | Hot stamping die |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106584823A (en) * | 2015-10-20 | 2017-04-26 | 上海凌云汽车模具有限公司 | Mechanism and method for producing hot pressing product negative angle bending edge |
| CN106984694A (en) * | 2017-05-25 | 2017-07-28 | 东莞市京品精密模具有限公司 | A kind of pole piece punching mold |
| CN107030175A (en) * | 2017-04-12 | 2017-08-11 | 苏州汇程精密模具有限公司 | A kind of die cutting die with hot blast function of temperature control |
| CN107225181A (en) * | 2016-03-25 | 2017-10-03 | 宝山钢铁股份有限公司 | A kind of automobile B-column class part hot stamping die without blank holder |
| CN109590393A (en) * | 2017-10-03 | 2019-04-09 | 福特汽车公司 | For producing the cooling duct of the 3-D printing of the PHS part with tailored properties |
| WO2019187742A1 (en) * | 2018-03-30 | 2019-10-03 | マツダ株式会社 | Hot press processing method and processing device |
| CN112238646A (en) * | 2019-07-19 | 2021-01-19 | 苏州汉扬精密电子有限公司 | Hot pressing and cold pressing combined integrated mechanism |
| CN114101444A (en) * | 2021-11-25 | 2022-03-01 | 重庆百能达普什汽车零部件有限责任公司 | Automobile rear longitudinal beam variable-strength hot stamping device and production process |
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2014
- 2014-09-23 CN CN201420546875.7U patent/CN204182791U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106584823B (en) * | 2015-10-20 | 2019-01-15 | 上海凌云汽车模具有限公司 | The method for making hot pressing product negative angle crimp |
| CN106584823A (en) * | 2015-10-20 | 2017-04-26 | 上海凌云汽车模具有限公司 | Mechanism and method for producing hot pressing product negative angle bending edge |
| CN107225181B (en) * | 2016-03-25 | 2019-08-27 | 宝山钢铁股份有限公司 | A kind of automobile B-column class part hot stamping die of no blank holder |
| CN107225181A (en) * | 2016-03-25 | 2017-10-03 | 宝山钢铁股份有限公司 | A kind of automobile B-column class part hot stamping die without blank holder |
| CN107030175A (en) * | 2017-04-12 | 2017-08-11 | 苏州汇程精密模具有限公司 | A kind of die cutting die with hot blast function of temperature control |
| CN106984694A (en) * | 2017-05-25 | 2017-07-28 | 东莞市京品精密模具有限公司 | A kind of pole piece punching mold |
| CN109590393A (en) * | 2017-10-03 | 2019-04-09 | 福特汽车公司 | For producing the cooling duct of the 3-D printing of the PHS part with tailored properties |
| WO2019187742A1 (en) * | 2018-03-30 | 2019-10-03 | マツダ株式会社 | Hot press processing method and processing device |
| JP2019177390A (en) * | 2018-03-30 | 2019-10-17 | マツダ株式会社 | Hot press processing method and processing apparatus |
| JP7214973B2 (en) | 2018-03-30 | 2023-01-31 | マツダ株式会社 | HOT PRESSING METHOD AND PROCESSING APPARATUS |
| CN112238646A (en) * | 2019-07-19 | 2021-01-19 | 苏州汉扬精密电子有限公司 | Hot pressing and cold pressing combined integrated mechanism |
| CN112238646B (en) * | 2019-07-19 | 2024-03-19 | 苏州汉扬精密电子有限公司 | Hot-pressing and cold-pressing combined integrated mechanism |
| CN114101444A (en) * | 2021-11-25 | 2022-03-01 | 重庆百能达普什汽车零部件有限责任公司 | Automobile rear longitudinal beam variable-strength hot stamping device and production process |
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