CN102303071A - Forming method and dies using the same for backward flanging based on 90-degree web surface - Google Patents
Forming method and dies using the same for backward flanging based on 90-degree web surface Download PDFInfo
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- CN102303071A CN102303071A CN201110280388A CN201110280388A CN102303071A CN 102303071 A CN102303071 A CN 102303071A CN 201110280388 A CN201110280388 A CN 201110280388A CN 201110280388 A CN201110280388 A CN 201110280388A CN 102303071 A CN102303071 A CN 102303071A
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- cope match
- die
- plate pattern
- lower bolster
- mould
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Abstract
The invention belongs to technical field of cold stamping of plates, and provides a forming method and dies using the same for backward flanging based on a 90-degree web surface. The method comprises the following steps of: firstly, pressing an unfolded piece to be bent for 90 degrees through a special pressing wave forming die; pressing edges at two sides of the bent part into a waveform so as to store materials, and manufacturing a preformed unit; and flanging the preformed unit backwards to form a needed shape through the special flanging forming die. The material flanged by the method cannot be easily broken and has high reliability, the unfolded material is used for forming, and the utilization rate of the material is greatly improved, so that the method is an application technology with higher promotional value. The method further provides two flanging dies used in the process of flanging, and the two dies are simple in structure and convenient to operate, and can reduce cost.
Description
Technical field
The invention belongs to the cold punching technology field, specifically, a kind of manufacturing process that carries out reverse flange at 90 ° of web faces is provided; The present invention also provides used mould in this reverse flanging forming method, specifically finger pressure wave mould and flange mould.
Background technology
On 90 ° of web faces, carry out reverse flange, the same with protruding web flange spare in nature, all belong to tensile type of deformation; Its deformation extent receives the restriction of material percentage elongation; The flange outer rim is extended maximum, and when distortion surpassed material permission elongation, opening broke at first on the edge of.The usual solution has two; one corner flange height will be partially reduced, application design change; Second, it adds to the drawing forming flanging, first pull into
shape, and then trimming, flanging again.Method one can influence product intensity, needs product design to adjust approval; Method two, operation is many, waste of material is serious, also difficulty very during pull and stretch when web face curved radius radius is very little, quality is also poor.
Summary of the invention
The object of the invention is intended to overcome the shortcoming that exists in the above-mentioned prior art, provides based on the manufacturing process that carries out reverse flange on 90 ° of web faces, uses this method flange material to be difficult for breaking, and reliability is high.
The present invention realizes through following technical scheme:
An object of the present invention is to provide based on the manufacturing process that carries out reverse flange on 90 ° of web faces, at first bend into 90 ° of shapes, and 90 ° of bend both sides of the edge are pressed into waveform are used for storing, process prefabricated component through pressing the wave mould will launch part; Through the flange mould the reverse flange of prefabricated component is become required form again.
Another object of the present invention provides pressure wave mould used in the reverse flange forming method; Described pressure wave mould comprises cope match-plate pattern 1 and lower bolster 9; Said cope match-plate pattern below is equipped with punch retainer 2, and the punch retainer bottom is equipped with punch 3; Said lower bolster top is equipped with die holder 8; The die 7 that matches with the punch shape is installed on the die holder; In the middle of die, be provided with the profile 10 of coincideing with prefabricated component web face shape; Side is respectively equipped with and presses corrugated profile 11 before and after it; Two ends mills out the groove 12 of location; Between cope match-plate pattern and the lower bolster through being contained in guide pillar guide pin bushing 5 guiding on cope match-plate pattern and the lower bolster respectively, and be contained in being used on cope match-plate pattern and the lower bolster respectively and limit cope match-plate pattern to be incorporated into the limited post 6 of the degree of depth spacing.
Side is respectively equipped with and presses corrugated profile before and after the described die, and profile length is that cE+EF+FG+Gd is approximately equal to CA+AB+BD.
A further object of the invention provides flange mould used in the reverse flange forming method, and described flange mould comprises cope match-plate pattern 13 and lower bolster 20, and the cope match-plate pattern bottom is equipped with flanging die 14; The top of lower bolster is equipped with die socket 19; The bottom is equipped with press plate 22, and the top of die socket is equipped with die piece 18, in the die piece left and right sides location-plate 16 is installed; Be equipped with in the middle of the die piece by lathe push rod jack-up and the eccentric swage 17 that flushes with the die piece, mould pin 21 is installed on the press plate; Between cope match-plate pattern and the lower bolster through being contained in guide pillar guide pin bushing 23 guiding on cope match-plate pattern and the lower bolster respectively, and be contained in being used on cope match-plate pattern and the lower bolster respectively and limit cope match-plate pattern to be incorporated into the limited post 24 of the degree of depth spacing.
The present invention compared with prior art possesses following beneficial effect:
1, the pressure wave mould that uses in the reverse flanging forming method of the present invention; To launch part and bend into 90 ° of shapes; And 90 ° of bend both sides of the edge are pressed into the waveform storing; Being pressed into waveform is not pulled open at the edge can guarantee flange the time; And because the flange material requested is gone into by storage, cracking destruction can not take place; The fault of having broken easily when having solved flange, reliability is high.
2, the pressure wave mould that uses in the reverse flanging forming method of the present invention makes the expansion part of treating flange directly press ripple to be shaped, and stock utilization can improve 50%.
3, two molds that use in the reverse flanging forming method of the present invention are simple in structure, reduced production cost.
Description of drawings
Fig. 1 is the sketch map that pressure wave of the present invention is shaped.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is that the present invention enlarges the casted die mould structural representation that the district that is shaped presses the wave storing.
Fig. 4 is that the present invention enlarges the casted die mould graphics that the district that is shaped presses the wave storing.
Fig. 5 is that the present invention enlarges the punch-die part drawing that the district that is shaped presses the casted die mould of wave storing.
Fig. 6 is that the present invention enlarges the graphics that the prefabricated component of the casted die mould compression moulding of pressing the wave storing is distinguished in shaping.
Fig. 7 is the graphics of flange mould of the present invention.
Below be specific embodiment of the present invention and combine accompanying drawing, technical scheme of the present invention is further described, but the present invention is not limited to present embodiment.
The specific embodiment
Based on the manufacturing process that carries out reverse flange on 90 ° of web faces, at first, through a deformed area expansion of treating flange of pressing the wave mould will launch part, and the edge, deformed area after will enlarging is pressed into waveform and is used for storing, processes shown in the prefabricated component (like Fig. 6).As depicted in figs. 1 and 2, expand deformed area ab to cFd earlier, the wave edge length is cE+EF+FG+Gd, makes it be approximately equal to CA+AB+BD during design; Secondly, through a flange mould the reverse flange of prefabricated component is become required form again.
Like Fig. 3 and shown in Figure 4, press the wave mould to comprise cope match-plate pattern 1 and lower bolster 9, the cope match-plate pattern below is equipped with punch retainer 2, and the punch retainer bottom is equipped with punch 3; The lower bolster top is equipped with die holder 8; The die 7 that matches with the punch shape is installed on the die holder; In the middle of die, be provided with the profile of coincideing with product web face shape 10, side is respectively equipped with and presses corrugated profile 11 before and after it, and two ends mills out the groove 12 of location.On cope match-plate pattern and lower bolster, through jack fastener 4 guide pillar guide pin bushing 5 is installed, guide pillar guide pin bushing guiding realizes die sinking with closed, also is provided with accordingly on cope match-plate pattern and the lower bolster to be used to limit the limited post 6 that patrix is incorporated into the degree of depth, and shut height is leaned on stop 6 restrictions;
Like Fig. 1 and shown in Figure 5, side is respectively equipped with and presses corrugated profile before and after the die, and profile length is that cE+EF+FG+Gd is approximately equal to CA+AB+BD, and the profile length of this kind design can make 90 ° of bend ab expand cFd to, and flange is not easy to break so again.
As shown in Figure 7, the flange mould comprises cope match-plate pattern 13 and lower bolster 20, and the cope match-plate pattern bottom is equipped with flanging die 14; The top of lower bolster is equipped with die socket 19; The bottom is equipped with press plate 22, and the top of die socket is equipped with die piece 18, in the die piece left and right sides location-plate 16 is installed; Be equipped with in the middle of the die piece by lathe push rod jack-up and the eccentric swage 17 that flushes with the die piece, mould pin 21 is installed on the press plate; Leading through the guide pillar guide pin bushing 23 that is contained in respectively on cope match-plate pattern and the lower bolster between cope match-plate pattern and the lower bolster; And be contained in being used on cope match-plate pattern and the lower bolster respectively and limit cope match-plate pattern to be incorporated into the limited post 24 of the degree of depth spacing; Guide pillar guide pin bushing 23 guiding; Realize die sinking with closed, shut height is leaned on limited post 24 restrictions.
The technical process of the reverse flanging forming method of the present invention:
At first, the expansion part of treating flange is put into the detent 12 of the die 7 of the lower bolster 9 of pressing the wave mould, press slide drives that cope match-plate pattern 1 is descending, and the punch 3 that is contained on the cope match-plate pattern 1 is descending, will launch part and bend into 90 degree, the formation blank; Cope match-plate pattern continues descending, and punch 3 is pressed into wave-like with die 7 with the blank both sides, processes prefabricated component, and prefabricated component is taken out in die sinking then.
Secondly, above-mentioned prefabricated component is put on the die piece 18 of Fig. 6 lower bolster 20, cope match-plate pattern 13 is descending, and convex module 14 and eccentric swage 17 are pushed down prefabricated component; Cope match-plate pattern 13 continues descending, and prefabricated component is pressed in the die piece 18 in the die socket 19, accomplishes the flanging forming of prefabricated component.
The foregoing description is one of multifarious instance only, is not to limit protection scope of the present invention according to this.So: the equivalence variation of doing according to structure, shape and the principle of this instance all is being covered by within protection scope of the present invention.This method also can apply to all analogous shapes (such as; Protruding web flange) on the part forming.
Claims (4)
1. based on the manufacturing process that carries out reverse flange on 90 ° of web faces, it is characterized in that: at first bend into 90 ° of shapes, and 90 ° of bend both sides of the edge are pressed into waveform are used for storing, process prefabricated component through pressing the wave mould will launch part; Through the flange mould the reverse flange of prefabricated component is become required form again.
2. be used for the pressure wave mould of the said manufacturing process of claim 1, it is characterized in that:
Described pressure wave mould comprises cope match-plate pattern (1) and lower bolster (9), and said cope match-plate pattern below is equipped with punch retainer (2), and the punch retainer bottom is equipped with punch (3); Said lower bolster top is equipped with die holder (8); The die (7) that matches with the punch shape is installed on the die holder; In the middle of die, also be provided with a profile (10) of coincideing with prefabricated component web face shape; Side is respectively equipped with and presses corrugated profile (11) before and after it; Two ends mills out the groove (12) of location; Between cope match-plate pattern and the lower bolster through being contained in guide pillar guide pin bushing (5) guiding on cope match-plate pattern and the lower bolster respectively, and being contained in being used on cope match-plate pattern and the lower bolster respectively, to limit the limited post (6) that cope match-plate pattern is incorporated into the degree of depth spacing.
3. pressure wave mould according to claim 2 is characterized in that: side is respectively equipped with and presses corrugated profile before and after the described die (7), and profile length cE+EF+FG+Gd is approximately equal to CA+AB+BD.
4. be used for the flange mould of the said manufacturing process of claim 1, it is characterized in that: described flange mould comprises cope match-plate pattern (13) and lower bolster (20), and the cope match-plate pattern bottom is equipped with flanging die (14); The top of lower bolster is equipped with die socket (19); The bottom is equipped with press plate (22); The top of die socket is equipped with die piece (18); In the die piece left and right sides location-plate (16) is installed; Be equipped with in the middle of the die piece by lathe push rod jack-up and the eccentric swage (17) that flushes with the die piece, mould pin (21) is installed on the press plate; Between cope match-plate pattern and the lower bolster through being contained in guide pillar guide pin bushing (23) guiding on cope match-plate pattern and the lower bolster respectively, and being contained in being used on cope match-plate pattern and the lower bolster respectively, to limit the limited post (24) that cope match-plate pattern is incorporated into the degree of depth spacing.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110280388A CN102303071A (en) | 2011-09-20 | 2011-09-20 | Forming method and dies using the same for backward flanging based on 90-degree web surface |
| CN2011204656971U CN202479341U (en) | 2011-09-20 | 2011-11-22 | Wave compacting forming die for reverse flanging based on 90-degree web surface |
| CN2011204656454U CN202336540U (en) | 2011-09-20 | 2011-11-22 | Turnup shaping mould used for reverse turnup based on 90-degree web surface |
| CN201110373157.5A CN102423778B (en) | 2011-09-20 | 2011-11-22 | Manufacturing process and the mould therefor thereof of backward flanging is carried out based on 90 ° of web surfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110280388A CN102303071A (en) | 2011-09-20 | 2011-09-20 | Forming method and dies using the same for backward flanging based on 90-degree web surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102303071A true CN102303071A (en) | 2012-01-04 |
Family
ID=45377039
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110280388A Pending CN102303071A (en) | 2011-09-20 | 2011-09-20 | Forming method and dies using the same for backward flanging based on 90-degree web surface |
| CN201110373157.5A Active CN102423778B (en) | 2011-09-20 | 2011-11-22 | Manufacturing process and the mould therefor thereof of backward flanging is carried out based on 90 ° of web surfaces |
| CN2011204656454U Expired - Fee Related CN202336540U (en) | 2011-09-20 | 2011-11-22 | Turnup shaping mould used for reverse turnup based on 90-degree web surface |
| CN2011204656971U Expired - Fee Related CN202479341U (en) | 2011-09-20 | 2011-11-22 | Wave compacting forming die for reverse flanging based on 90-degree web surface |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110373157.5A Active CN102423778B (en) | 2011-09-20 | 2011-11-22 | Manufacturing process and the mould therefor thereof of backward flanging is carried out based on 90 ° of web surfaces |
| CN2011204656454U Expired - Fee Related CN202336540U (en) | 2011-09-20 | 2011-11-22 | Turnup shaping mould used for reverse turnup based on 90-degree web surface |
| CN2011204656971U Expired - Fee Related CN202479341U (en) | 2011-09-20 | 2011-11-22 | Wave compacting forming die for reverse flanging based on 90-degree web surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN102303071A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102847793A (en) * | 2012-08-24 | 2013-01-02 | 昆山荣腾模具部品制造有限公司 | Trimming, flanging and side punching compound die |
| CN110344558A (en) * | 2019-06-14 | 2019-10-18 | 卢金朋 | It is a kind of without damaged dog-ear method and box-like decorative insulation board |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103418684B (en) * | 2013-07-31 | 2015-08-26 | 哈尔滨汽轮机厂有限责任公司 | A kind of gas-turbine combustion chamber blender punch forming mould |
| CN112139327B (en) * | 2020-09-18 | 2022-08-19 | 中国航发贵州黎阳航空动力有限公司 | Machining method and machining device for reverse structure hole |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5388330A (en) * | 1993-10-12 | 1995-02-14 | Motor Wheel Corporation | Method for making disc wheels |
| US7575133B2 (en) * | 2003-10-06 | 2009-08-18 | Crown Cork & Seal Technologies Corporation | Bi-can having internal bag |
| CN101209475A (en) * | 2006-12-29 | 2008-07-02 | 比亚迪股份有限公司 | Method for forming part with hole |
| CN101767133B (en) * | 2010-01-20 | 2013-02-13 | 浙江中隧桥波形钢腹板有限公司 | Mould pressing corrugated steel web molding method and special mould pressing device |
-
2011
- 2011-09-20 CN CN201110280388A patent/CN102303071A/en active Pending
- 2011-11-22 CN CN201110373157.5A patent/CN102423778B/en active Active
- 2011-11-22 CN CN2011204656454U patent/CN202336540U/en not_active Expired - Fee Related
- 2011-11-22 CN CN2011204656971U patent/CN202479341U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102847793A (en) * | 2012-08-24 | 2013-01-02 | 昆山荣腾模具部品制造有限公司 | Trimming, flanging and side punching compound die |
| CN110344558A (en) * | 2019-06-14 | 2019-10-18 | 卢金朋 | It is a kind of without damaged dog-ear method and box-like decorative insulation board |
| CN110344558B (en) * | 2019-06-14 | 2020-12-15 | 达州市拓普节能建材有限公司 | Damage-free corner folding method and box-shaped metal decorative heat-insulation board |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102423778A (en) | 2012-04-25 |
| CN102423778B (en) | 2015-09-02 |
| CN202479341U (en) | 2012-10-10 |
| CN202336540U (en) | 2012-07-18 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20120104 |