CN106424343B - Automobile hot forming tool - Google Patents
Automobile hot forming tool Download PDFInfo
- Publication number
- CN106424343B CN106424343B CN201611059635.4A CN201611059635A CN106424343B CN 106424343 B CN106424343 B CN 106424343B CN 201611059635 A CN201611059635 A CN 201611059635A CN 106424343 B CN106424343 B CN 106424343B
- Authority
- CN
- China
- Prior art keywords
- die holder
- lower die
- forming unit
- upper mold
- negative angle
- 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.)
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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
- B21D37/08—Dies with different parts for several steps in a process
-
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
- B21D22/022—Stamping using rigid devices or tools by heating the blank or stamping associated with heat treatment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a kind of automobile hot forming tools, with a positive stamp face forming unit, there is the positive stamp face forming unit upper die holder, a lower die holder, a upper mold core being installed in the upper die holder and one to be installed in the lower mold core matched in the lower die holder and with the upper mold core, and the local negative angle forming unit of one Yu the positive stamp face forming unit interoperation are installed between the upper die holder and the lower die holder.The present invention overcomes existing hot forming tools can not achieve to auto parts in hot forming tool inner mold face and its local negative angle while stamping forming defect, production space, personnel, equipment, the occupancy of the energy are saved, part is reduced due to cracking and the bad risk for causing to scrap of quality, greatly reduce production cost, one-pass molding simultaneously is easy to operate, safe and reliable, substantially increases the precision and stability of part.
Description
Technical field
The present invention relates to automobile thermoforming technology field more particularly to a kind of automobile hot forming tools.
Background technique
Automobile hot forming tool is the shape and structure in kind according to certain manufactured mold in proportion, is made using drawing method
The material of metal material at certain shapes tool.For the production process of automobile thermoformed part, usually by 500~
The boron steel steel plate of 600Mpa is heated to 920 degree or so, be then transferred to it is one time punching molded in automobile hot forming tool, and
Final thermoformed part is obtained by quenching in mould.Existing automobile hot forming tool as if it is desired to auto parts disposably at
Type in place, then requires auto parts otherwise must can not arrive in the design process to auto parts disposal molding without negative angle
Position.As shown in Figure 1, be existing automobile hot forming tool 10, the lower die holder 12 with upper die holder 11 and the cooperation of upper die holder 11, on
It is installed with upper mold core 13 in die holder 11, lower mold core 14 is installed in lower die holder 12.There is the thermoformed part of negative angle for one kind,
It as shown in Figures 2 and 3, is automobile A column stiffening plate 20, automobile A column stiffening plate 20 has the side in section 21 and A column reinforcement plate 20
Face, which is equipped with a crotch 22 with nearly 90 degree of negative angles, can not achieve negative angle punching press using existing automobile hot forming tool 10.Vapour
Vehicle hot forming tool 10 is neither being able to achieve the punching press of negative angle in place to auto parts are one time punching molded in forming process,
It can not achieve the blanking of negative angle again, i.e., existing automobile hot forming tool 10 cannot form the thermoformed part with negative angle.It is existing
Automobile hot forming tool 10 mainly first carries out punching press thermoforming to it, then again to it for the thermoformed part with negative angle
Oil cylinder pushing bending and molding is cooperated using special fixture, to complete negative angle stamping procedure, this process requirement punching press thermoforming and
Negative angle forming two procedures are primarily present following defect: 1) occupying more production sites and producers, increase equipment investment
And the consumption of the energy；2) for the auto parts after thermoforming, intensity commonly reaches 1500Mpa or so, it is carried out negative angle at
Type processing, cold bending component crooked position frangibility easily cause the waste of part；3) part cold bending rebound is very big, when production
Part quality is difficult to control, and is easy to produce waste product.To cause being significantly increased for production cost.
Summary of the invention
The present invention can not achieve to part for automobile hot forming tool in the prior art in hot forming tool inner mold face
And its local negative angle punch forming simultaneously, it needs to form using positive stamp face and local negative angle punch forming two procedures is come complete
At easily causing auto parts waste, quality to be difficult to control and the defects of increase equipment investment and the energy, and it is an object of the present invention to provide one
Kind is able to achieve to part in hot forming tool inner mold face and its local negative angle while stamping forming automobile hot forming tool.
Realizing the technical solution of above-mentioned purpose is:
Automobile hot forming tool of the invention has a positive stamp face forming unit, the positive stamp face forming unit tool
The lower die holder that has a upper die holder, one to be set to immediately below the upper die holder, one are installed in upper mold core in the upper die holder and one solid
It is located at the lower mold core matched in the lower die holder and with the upper mold core, which is characterized in that the upper die holder and the lower die
The local negative angle forming unit of one Yu the positive stamp face forming unit interoperation are installed between seat.
The part negative angle forming unit has a driven inclined wedge, and the driven inclined wedge has one oblique to be embedded under described
The movable part that fixation member and one on die holder are located at the fixation member upper surface and are slidably matched with the fixation member.
The part negative angle forming unit has one to be embedded driving wedge in the upper die holder vertical direction, the driving
The movable part of inclined wedge and the driven inclined wedge is slidably connected.
The part negative angle forming unit has the one end far from the driving wedge for being installed in the movable part
Flanging lower die, an oblique flange upper mold driver being embedded in the upper die holder lower surface, the flange upper mold driver leans on
Nearly described flanging lower die one end is installed with a flange upper mold, and the flange upper mold and the flanging lower die are slidably connected.
The driving wedge has a vertical plane and an inclined-plane.
The positive effect of the present invention is that:
Automobile hot forming tool of the invention, production process is by the original molding of positive stamp face and local negative angle punch forming
Two procedures improve as mould inner mold face and its local negative angle one procedure of punch forming simultaneously, solve heat stamping and shaping field
Mold not can be implemented simultaneously the problem of part square impact and negative angle punching press, save production space, personnel, equipment, the occupancy of the energy,
Reduce auto parts due to cracking and the bad risk for causing to scrap of quality, greatly reduce production cost, at the same once at
Type is easy to operate, safe and reliable, substantially increases the precision and stability of part, effectively improves automobile hot forming tool
Practicability.
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with
It is fully understood from the purpose of the present invention, feature and effect.
Detailed description of the invention
Fig. 1 is the automobile hot forming tool structural schematic diagram of the prior art；
Fig. 2 is the automobile A column stiffening plate structural schematic diagram with local negative angle crotch；
Fig. 3 is the automobile A column stiffening plate schematic cross-section with local negative angle crotch；
Fig. 4 is the automobile hot forming tool structural schematic diagram before negative angle forming of the invention；
Fig. 5 is the automobile hot forming tool structural schematic diagram after negative angle forming of the invention；
Fig. 6 is the schematic perspective view of automobile hot forming tool of the invention.
Specific embodiment
Below with reference to fig. 4 to fig. 6, automobile hot forming tool of the invention is described in detail.
As shown in Figures 4 to 6, the automobile hot forming tool 30 of the present embodiment, automobile hot forming tool 30 have positive stamp
Face forming unit 31 and local negative angle forming unit 32 with 31 interoperation of positive stamp face forming unit.Positive stamp face at
Type unit 31 has upper die holder 311, lower die holder 312, the upper mold core 313 being installed in upper die holder 311 and is installed in lower die holder 312
Lower mold core 314 that is interior and being matched with upper mold core 313.Local negative angle forming unit 32 is installed in upper die holder 311 and the lower die
Between seat 312.Local negative angle forming unit 32 has driven inclined wedge 321, and driven inclined wedge 321 has oblique be embedded in lower die holder
Fixation member 3211 on 312 and the activity for being installed in the upper surface of fixation member 3211 and being slidably matched with fixation member 3211
Component 3212.Local negative angle forming unit 32 also has the driving wedge 322 for being installed in 311 vertical direction of upper die holder, and driving is oblique
The movable part 3212 of wedge 322 and driven inclined wedge 321 is slidably connected.Driving wedge 322 has vertical plane 3221 and inclined-plane
3222.Local negative angle forming unit 32 has the flanging lower die for being installed in the one end of movable part 3212 far from driving wedge 322
323, the oblique flange upper mold driver 324 being embedded in 311 lower surface of upper die holder, flange upper mold driver 324 is under flange
One end of mould 323 is installed with flange upper mold 325, and flange upper mold 325 and flanging lower die 323 are slidably connected.
The working principle of automobile hot forming tool of the invention are as follows:
Automobile hot forming tool 30 of the invention, when the 314 type face of lower mold core that auto parts are placed on to lower mould seat 312
After upper, upper die holder 311 starts downlink in the drive of lathe, drives the upper mold core 313 and driving wedge for being fixed on upper die holder 311
322 downlink movements simultaneously, the upper mold core 313 of upper die holder 311 and 314 mating reaction of lower mold core for being fixed on lower die holder 312, are completed
To the square impact mould surface portion of auto parts.The movable part 3212 of driven inclined wedge 321 passes through the inclined-plane 3222 with driving wedge 322
The effect of being slidably matched drives flanging lower die 323 to move to the direction far from driving wedge 322.In positive stamp face, forming action is complete
At before, after flanging lower die 323 reaches designated position, the movable part 3212 of driven inclined wedge 321 slides into driving wedge 322
Face directly on 3221, to guarantee that the position of flanging lower die 323 is fixed, participate in the molding in positive stamp face.As shown in figure 4,
Position, the closed state that mold is in are fully moved to for upper mold core 313 and lower mold core 314.The promotion of flange upper mold driver 324 is turned over
Side upper mold 325 moves, and the molding type face of flange upper mold 325 pushes the unformed hook portion in place of auto parts to continue to complete vapour
The forming process of vehicle parts locally negative angle reaches closed state, such as Fig. 5 with flanging lower die 323 until flange upper mold 325 is moved to
It is shown.So far, 30 forming action of automobile hot forming tool is completed.To the end of press pressure maintaining, flange upper mold 325 is driven in flange upper mold
Original position is retracted under the drive of dynamic device 324, then press uplink, drives 311 uplink of upper die holder, and then drive in driving wedge 322
Row, so that driven inclined wedge 321 drives flanging lower die 323 to retract, so that auto parts can be jacked up, under realizing further
Material processing.So far, the present invention completes the type face to auto parts in hot forming tool and its punch forming of local negative angle
Journey.
Each preferred embodiment of the invention is described in detail above.It should be appreciated that those skilled in the art
It according to the present invention can conceive without creative work and make many modifications and variations.Therefore, all skills in the art
Art personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (3)
1. a kind of automobile hot forming tool, has a positive stamp face forming unit, the positive stamp face forming unit has on one
Die holder, a lower die holder, a upper mold core being installed in the upper die holder and one be installed in the lower die holder and with the upper mold
The lower mold core that core matches, which is characterized in that one and the positive stamp face are installed between the upper die holder and the lower die holder
The local negative angle forming unit of forming unit interoperation, the part negative angle forming unit have a driven inclined wedge, a driving
Inclined wedge, a flanging lower die and a flange upper mold；The driven inclined wedge is oblique to be embedded on the lower die holder, and the driving wedge is embedding
Be located in the upper die holder vertical direction, the driven inclined wedge have an oblique fixation member being embedded on the lower die holder and
One movable part for being located at the fixation member upper surface and being slidably matched with the fixation member, the driving wedge with it is described
The movable part of driven inclined wedge is slidably matched；The flanging lower die is installed in one of the driven inclined wedge far from the driving wedge
On end, the flange upper mold oblique can be actively embedded on the upper die holder lower surface, and the flange upper mold is turned over described
Side lower die is slidably matched.
2. automobile hot forming tool as described in claim 1, which is characterized in that the flanging lower die is installed in the movable part
One end far from the driving wedge of part；The part negative angle forming unit also has one oblique to be embedded under the upper die holder
The flange upper mold driver on surface, the flange upper mold driver are installed on the flange close to described flanging lower die one end
Mould.
3. automobile hot forming tool as claimed in claim 2, which is characterized in that the driving wedge has a vertical plane and one
Inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611059635.4A CN106424343B (en) | 2016-11-28 | 2016-11-28 | Automobile hot forming tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611059635.4A CN106424343B (en) | 2016-11-28 | 2016-11-28 | Automobile hot forming tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106424343A CN106424343A (en) | 2017-02-22 |
| CN106424343B true CN106424343B (en) | 2018-12-18 |
Family
ID=58218939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611059635.4A Active CN106424343B (en) | 2016-11-28 | 2016-11-28 | Automobile hot forming tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106424343B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127039A (en) * | 2018-01-04 | 2018-06-08 | 上海凌云汽车模具有限公司 | For the thermoforming mould lamps structure of thin part |
| CN111558643A (en) * | 2018-04-25 | 2020-08-21 | 安徽省精正电器有限公司 | Use method of device for completing stamping, curling and sucking of metal sheet in single station |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949547A (en) * | 2014-05-07 | 2014-07-30 | 芜湖福祥模具科技有限公司 | Automobile fender stamping die |
| CN204657270U (en) * | 2015-04-24 | 2015-09-23 | 凌云工业股份有限公司 | A kind of combined type heat mould |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3816319B2 (en) * | 2000-08-30 | 2006-08-30 | 関東自動車工業株式会社 | Press mold structure |
| JP2013078777A (en) * | 2011-10-03 | 2013-05-02 | Hirotec Corp | Press die |
-
2016
- 2016-11-28 CN CN201611059635.4A patent/CN106424343B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949547A (en) * | 2014-05-07 | 2014-07-30 | 芜湖福祥模具科技有限公司 | Automobile fender stamping die |
| CN204657270U (en) * | 2015-04-24 | 2015-09-23 | 凌云工业股份有限公司 | A kind of combined type heat mould |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106424343A (en) | 2017-02-22 |
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