CN106040866A - Automobile drawing die - Google Patents
Automobile drawing die Download PDFInfo
- Publication number
- CN106040866A CN106040866A CN201610590897.7A CN201610590897A CN106040866A CN 106040866 A CN106040866 A CN 106040866A CN 201610590897 A CN201610590897 A CN 201610590897A CN 106040866 A CN106040866 A CN 106040866A
- Authority
- CN
- China
- Prior art keywords
- shaft
- flexible
- lower mold
- flexible mould
- retractor device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
Abstract
The invention discloses an automobile drawing die. The die comprises a base, a lower die is arranged on the top of the base, a side pressing ring is arranged on the outer portion of the lower die, an upper die is arranged above the side pressing ring, a fixing plate is arranged inside the lower die, telescopic devices are arranged below the fixing plate, the tops of the telescopic devices extend to the position above the fixing plate, containing grooves are formed above the fixing plate, rod-shaped movable dies are arranged in the containing grooves, heating devices are arranged in the rod-shaped movable dies, the heating devices are located on the tops of the rod-shaped movable dies, the tops of the rod-shaped movable dies extend to the position above the lower die, and the length from the tops of the rod-shaped movable dies to the top of the lower die is the same with the distance from the bottoms of the rod-shaped movable dies to the top of the fixing plate; and happening of quality defect phenomena of wrinkling and the like in the raw material machining process is completely eradicated, the appearance is smooth and tidy, the structural strength of parts is improved, the cost is saved, and work efficiency is improved.
Description
Technical field
The present invention relates to automobile die technology field, particularly relate to a kind of automobile drawing die.
Background technology
Along with the reach of science and the progress of society, the equipment of modernization the most gradually comes into the life of people, modernization
Equipment not only make the life of people become convenient, the equipment of modernization has also promoted the progress of human society.
Common large-scale it is cladded with part, such as some part in the top cover of automobile, bonnet, gusset, back door etc., such as
Top cover, owing to its geometry is simple and curvature is little, when stretching just starts, blank large area is attached in the profile of die, increases
Add the enhanced stretch resistance of blank, cause stretching insufficient, and cause insufficient rigidity；And for other parts therein, such as after
Tailgate, then big due to the die die cavity of drawing die, blank is little at the supporting surface of blank holder, and makes the middle part of blank easy
Under the effect of deadweight recessed, and it is many to cause stretching the storage of front blank, and causes the insufficient and insufficient rigidity of stretching.At blank
During drawing and moulding, usually the mass defects such as wrinkling can occur due to reasons such as insufficient rigidity, insufficient rigidity not only can affect
Outward appearance, also can reduce the structural strength of part.
Summary of the invention
The invention aims to solve shortcoming present in prior art, and a kind of automobile drawing die proposed.
To achieve these goals, present invention employs following technical scheme:
Automobile drawing die, including base, the top of described base is provided with lower mold, and the outside of described lower mold is provided with blank holder, institute
Stating the upper mold that is arranged over of blank holder, the inside of described lower mold is provided with fixed plate, and the lower section of described fixed plate is provided with retractor device,
The top of described retractor device extends to the top of fixed plate, described fixed plate be arranged over article putting groove, in described article putting groove
Being provided with shaft-like flexible mould, the bottom of described shaft-like flexible mould is fixing with the top of retractor device to be connected, described shaft-like activity
The outer wall of mould is slidably connected with the inwall of article putting groove, and the inside of described shaft-like flexible mould is provided with heater, described heating
Device is positioned at the top of shaft-like flexible mould, and the top of described shaft-like flexible mould extends to the top of lower mold, and shaft-like activity
Die top is identical to the distance at fixed plate top with bottom shaft-like flexible mould to the length at lower mold top.
Preferably, the quantity of described shaft-like flexible mould is five to ten, and described shaft-like flexible mould is evenly distributed on down
On mould, described shaft-like flexible mould matches with retractor device.
Preferably, the top shape of described shaft-like flexible mould and the mating shapes at lower mold top, lower mold top is with many
The top of individual shaft-like flexible mould constitutes smooth surface.
Preferably, described heater is electric heater unit, the input of described electric heater unit and the output of controller
End connects.
Preferably, described retractor device includes flexible female bar and flexible sub bar, and described flexible female bar is hollow structure, described
Being provided with stage clip in flexible female bar, the top of described stage clip is connected with flexible sub bar, the outer wall of described flexible sub bar and flexible female bar
Inwall be slidably connected, the bottom of described retractor device and the top of base are fixing to be connected, and described retractor device is used for shaft-like
The supporting role of flexible mould.
Preferably, the lower section of described fixed plate is provided with support bar, and described support bar, fixed plate and lower mold are formed in one knot
Structure.
In the present invention, when draw forming, regulate retractor device, make the top of shaft-like flexible mould connect bottom raw material
Touching, raw material is preheated by heater, increases the tension force within raw material, and then punch or die motion realize plate
Stamping process, has stopped raw material generation of the mass defect phenomenon such as wrinkling in the course of processing, and smooth in appearance is clean and tidy, improves
The structural strength of part, provides cost savings, and improves work efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the automobile drawing die that the present invention proposes.
In figure: 1 base, 2 lower molds, 3 blank holders, 4 upper molds, 5 fixed plates, 6 retractor devices, 7 article putting grooves, 8 shaft-like movable mold
Tool, 9 heaters.
Detailed description of the invention
With reference to Fig. 1, automobile drawing die, including base 1, the top of base 1 is provided with lower mold 2, and the outside of lower mold 2 is provided with pressure
Flange 3, blank holder 3 be arranged over upper mold 4, the inside of lower mold 2 is provided with fixed plate 5, and the lower section of fixed plate 5 is provided with retractor device
6, the top of retractor device 6 extends to the top of fixed plate 5, fixed plate 5 be arranged over article putting groove 7, be provided with bar in article putting groove 7
Shape flexible mould 8, the bottom of shaft-like flexible mould 8 is fixing with the top of retractor device 6 to be connected, the outer wall of shaft-like flexible mould 8
Being slidably connected with the inwall of article putting groove 7, the inside of shaft-like flexible mould 8 is provided with heater 9, and heater 9 is positioned at shaft-like work
The top of moving mold 8, the top of shaft-like flexible mould 8 extends to the top of lower mold 2, and shaft-like flexible mould 8 top is to lower mold 2
The length at top is identical to the distance at fixed plate 5 top with bottom shaft-like flexible mould 8, and the quantity of shaft-like flexible mould 8 is five
To ten, shaft-like flexible mould 8 is evenly distributed in lower mold 2, and shaft-like flexible mould 8 matches with retractor device 6, shaft-like activity
The top shape of mould 8 and the mating shapes at lower mold 2 top, lower mold 2 top is constituted with the top of multiple shaft-like flexible moulds 8
Smooth surface, heater 9 is electric heater unit, and the input of electric heater unit is connected with the outfan of controller, flexible dress
Putting 6 and include flexible female bar and flexible sub bar, flexible female bar is hollow structure, is provided with stage clip in flexible female bar, the top of stage clip with
Flexible sub bar connects, and the outer wall of flexible sub bar is slidably connected with the inwall of flexible female bar, the bottom of retractor device 6 and base 1
Top is fixing to be connected, and retractor device 6 is for the supporting role to shaft-like flexible mould 8, and the lower section of fixed plate 5 is provided with support bar,
Support bar, fixed plate 5 and lower mold 2 are formed in one structure, when draw forming, regulate retractor device 6, make shaft-like movable mold
The top of tool 8 contacts with bottom raw material, and raw material is preheated by heater 9, increases the tension force within raw material, then punch
Or die motion realizes stamping process to plate, stop raw material mass defect phenomenon such as wrinkling in the course of processing
Occurring, smooth in appearance is clean and tidy, improves the structural strength of part, shortens mould processing, debugging, bedding-in time, shortens drawing die
The tool manufacturing cycle, improve drawing die and manufacture efficiency, reduce enterprise's production cost, improve work efficiency.
The present invention to be embodied as flow process as follows；
S1: regulation retractor device 6, makes the top of shaft-like flexible mould 8 contact with bottom raw material；
Raw material is preheated by S2: heater 9, increases the tension force within raw material；
S3: punch or die motion realize the stamping process to plate.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (6)
1. automobile drawing die, including base (1), the top of described base (1) is provided with lower mold (2), the outside of described lower mold (2)
Be provided with blank holder (3), described blank holder (3) be arranged over upper mold (4), it is characterised in that the inside of described lower mold (2) is provided with
Fixed plate (5), the lower section of described fixed plate (5) is provided with retractor device (6), and the top of described retractor device (6) extends to fix
The top of plate (5), described fixed plate (5) be arranged over article putting groove (7), described article putting groove is provided with shaft-like flexible mould in (7)
(8), the bottom of described shaft-like flexible mould (8) is fixing with the top of retractor device (6) to be connected, described shaft-like flexible mould (8)
The inwall of outer wall and article putting groove (7) be slidably connected, the inside of described shaft-like flexible mould (8) is provided with heater (9), described
Heater (9) is positioned at the top of shaft-like flexible mould (8), and the top of described shaft-like flexible mould (8) extends to lower mold (2)
Top, and the length at shaft-like flexible mould (8) top to lower mold (2) top and shaft-like flexible mould (8) bottom to fixed plate (5)
The distance at top is identical.
Automobile drawing die the most according to claim 1, it is characterised in that the quantity of described shaft-like flexible mould (8) is
Five to ten, described shaft-like flexible mould (8) is evenly distributed in lower mold (2), described shaft-like flexible mould (8) and retractor device
(6) match.
Automobile drawing die the most according to claim 1, it is characterised in that the top shape of described shaft-like flexible mould (8)
Shape and the mating shapes at lower mold (2) top, lower mold (2) top constitutes smooth song with the top of multiple shaft-like flexible moulds (8)
Face.
Automobile drawing die the most according to claim 1, it is characterised in that described heater (9) is electric heater unit,
The input of described electric heater unit is connected with the outfan of controller.
Automobile drawing die the most according to claim 1, it is characterised in that described retractor device (6) includes flexible female bar
With flexible sub bar, described flexible female bar is hollow structure, is provided with stage clip in described flexible female bar, and the top of described stage clip is with flexible
Sub bar connects, and the outer wall of described flexible sub bar is slidably connected with the inwall of flexible female bar, the bottom of described retractor device (6) and the end
The top of seat (1) is fixing to be connected, and described retractor device (6) is for the supporting role to shaft-like flexible mould (8).
Automobile drawing die the most according to claim 1, it is characterised in that the lower section of described fixed plate (5) is provided with support
Bar, described support bar, fixed plate (5) and lower mold (2) are formed in one structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610590897.7A CN106040866A (en) | 2016-07-26 | 2016-07-26 | Automobile drawing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610590897.7A CN106040866A (en) | 2016-07-26 | 2016-07-26 | Automobile drawing die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106040866A true CN106040866A (en) | 2016-10-26 |
Family
ID=57417541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610590897.7A Pending CN106040866A (en) | 2016-07-26 | 2016-07-26 | Automobile drawing die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106040866A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413954A (en) * | 2017-08-30 | 2017-12-01 | 安徽江淮汽车集团股份有限公司 | A kind of drawing die |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01133622A (en) * | 1987-11-18 | 1989-05-25 | Hitachi Ltd | Method for pressing three dimensional curved surface of extra thick plate |
| RU2021055C1 (en) * | 1992-04-14 | 1994-10-15 | Комсомольский-на-Амуре авиационный завод им.Ю.А.Гагарина | Method of stamping parts from sheet blanks with hydraulic press |
| US6089061A (en) * | 1999-05-12 | 2000-07-18 | Northrop Grumman Corporation | Modularized reconfigurable heated forming tool |
| EP1318002A1 (en) * | 2001-12-06 | 2003-06-11 | The Boeing Company | Forming apparatus using inductive heating, comprising ceramic die with a durable coating |
| CN103480713A (en) * | 2013-08-14 | 2014-01-01 | 西北工业大学 | Flexible stretch-forming device and method for carrying out stretch-forming on plate by utilizing same |
| CN103586342A (en) * | 2013-10-15 | 2014-02-19 | 浙江吉利控股集团有限公司 | Drawing die |
| CN104525746A (en) * | 2015-01-06 | 2015-04-22 | 哈尔滨工业大学（威海） | Rapid heating and forming integrated device and method |
| CN105107939A (en) * | 2015-09-18 | 2015-12-02 | 武汉理工大学 | Continuous hot stamping device and technology |
| CN105195588A (en) * | 2015-09-16 | 2015-12-30 | 北京航空航天大学 | Radiation heating forming tool for large-sized titanium alloy skin part and processing method of radiation heating forming tool |
| CN105215164A (en) * | 2014-06-18 | 2016-01-06 | 现代自动车株式会社 | For hot press-formed apparatus and method |
-
2016
- 2016-07-26 CN CN201610590897.7A patent/CN106040866A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01133622A (en) * | 1987-11-18 | 1989-05-25 | Hitachi Ltd | Method for pressing three dimensional curved surface of extra thick plate |
| RU2021055C1 (en) * | 1992-04-14 | 1994-10-15 | Комсомольский-на-Амуре авиационный завод им.Ю.А.Гагарина | Method of stamping parts from sheet blanks with hydraulic press |
| US6089061A (en) * | 1999-05-12 | 2000-07-18 | Northrop Grumman Corporation | Modularized reconfigurable heated forming tool |
| EP1318002A1 (en) * | 2001-12-06 | 2003-06-11 | The Boeing Company | Forming apparatus using inductive heating, comprising ceramic die with a durable coating |
| CN103480713A (en) * | 2013-08-14 | 2014-01-01 | 西北工业大学 | Flexible stretch-forming device and method for carrying out stretch-forming on plate by utilizing same |
| CN103586342A (en) * | 2013-10-15 | 2014-02-19 | 浙江吉利控股集团有限公司 | Drawing die |
| CN105215164A (en) * | 2014-06-18 | 2016-01-06 | 现代自动车株式会社 | For hot press-formed apparatus and method |
| CN104525746A (en) * | 2015-01-06 | 2015-04-22 | 哈尔滨工业大学（威海） | Rapid heating and forming integrated device and method |
| CN105195588A (en) * | 2015-09-16 | 2015-12-30 | 北京航空航天大学 | Radiation heating forming tool for large-sized titanium alloy skin part and processing method of radiation heating forming tool |
| CN105107939A (en) * | 2015-09-18 | 2015-12-02 | 武汉理工大学 | Continuous hot stamping device and technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413954A (en) * | 2017-08-30 | 2017-12-01 | 安徽江淮汽车集团股份有限公司 | A kind of drawing die |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161026 |
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| WD01 | Invention patent application deemed withdrawn after publication |