CN102430665A - Noncircular box-shaped part segmentation necking process and special die - Google Patents
Noncircular box-shaped part segmentation necking process and special die Download PDFInfo
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- CN102430665A CN102430665A CN2011103630979A CN201110363097A CN102430665A CN 102430665 A CN102430665 A CN 102430665A CN 2011103630979 A CN2011103630979 A CN 2011103630979A CN 201110363097 A CN201110363097 A CN 201110363097A CN 102430665 A CN102430665 A CN 102430665A
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Abstract
The invention provides a noncircular box-shaped part segmentation necking process and a special die. The process includes the steps: 1, angle necking and 2, straight edge necking. During angle necking, all angles of a deep-drawn and trimmed part are firstly necked down one by one through stamping by an angle necking die with a female die and a male die in concave-convex fit, and simultaneously, curves of matched portions of the female die and the male die are the same with those of the angles of the part. During straight edge necking, all straight edges of the part are necked down one by one through stamping by a straight edge necking die with a female die and a male die in concave-convex fit, and simultaneously, matched portions of the female die and the male die are adaptable to the straight edges of the part. By the aid of the segmentation necking process, consistency, dimensional accuracy and appearance attractiveness of openings of parts can be ensured effectively, and extremely high practical value is achieved.
Description
Technical field
The invention belongs to box part reducing technical field, be specifically related to a kind of non-round box shape spare segmentation necking down process and particular manufacturing craft.
Background technology
In daily life and the work, a lot of box-shaped part oral areas have the reducing requirement, and the reducing technology of round box shape part is comparative maturity; But to non-circular box-shaped part reducing; General machining or the inner chamber welding procedure of adopting, processing technology is complicated, and cost is high, size guarantees difficulty; And profile is attractive in appearance inadequately, therefore is necessary to improve.
Summary of the invention
The technical problem that the present invention solves: a kind of non-round box shape spare segmentation necking down process and particular manufacturing craft are provided; Earlier with the bight reducing die with part bight necking forming; Use the straight flange necking forming of straight flange reducing die again, can effectively guarantee the uniformity of part finish dimensional part.
The technical scheme that the present invention adopts: non-round box shape spare segmentation necking down process comprises the steps:
1) bight necking forming: get the part after pull and stretch, the deburring, earlier with the bight reducing die with each bight of part through punching press necking forming one by one; And the die that the bight reducing die has concavo-convex cooperation is identical with part bight curve with punch auxiliary section curve with said die of punch while;
2) straight flange necking forming: again with the straight flange reducing die with each straight flange of part through punching press necking forming one by one; And die and punch that the straight flange reducing die has a concavo-convex cooperation said die and punch auxiliary section and part straight flange simultaneously adapt.
To large-scale part, segmentation is carried out during the straight flange reducing, until all straight flange reducings of part are accomplished.
In the above-mentioned steps 1; Said bight reducing die is made up of fillet punch and fillet die; Earlier the shrinkage waiting open part is enclosed within on the fillet punch, makes bight of part aim at fillet die leading section, patrix is exercised inclined-plane, wedge lower end down and is contacted with inclined-plane, fillet die rear end; Promoting the fillet die moves to fillet punch direction; Binder rubber is tightly pushed down the part upper end with the fillet punch earlier, and the recessed rib of the fin of fillet die lower end and fillet punch lower end compresses the necking forming of promptly accomplishing a bight with part, and part is taken off from the fillet punch; Another angular alignment fillet die leading section of part also is enclosed within on the fillet punch again, repeats above-mentioned steps and promptly accomplish the reducing in each bight of part.
In the above-mentioned steps 2; Said straight flange reducing die is made up of straight flange punch and straight flange die; Part with bight reducing is enclosed within on the straight flange punch earlier, makes a straight flange collimation of part edge die leading section, and patrix is exercised inclined-plane, wedge lower end down and contacted with inclined-plane, straight flange die rear end; Promoting the straight flange die moves to straight flange punch direction; Binder rubber is tightly pushed down part top and straight flange punch 5 earlier, and the recessed rib of the fin of straight flange die lower end and straight flange punch lower end compresses the necking forming of promptly accomplishing a straight flange with part, and part is taken off from the straight flange punch; Another straight flange collimation edge die leading section of part also is enclosed within on the straight flange punch again, repeats the reducing that above-mentioned steps is promptly accomplished each straight flange of part.When part is bigger, when the shrinkage waiting open straight flange was longer, then part straight flange reducing segmentation was carried out, accomplish the necking forming of a part straight flange part after, the length with a straight flange die of the relative straight flange die of part displacement working face repeats above-mentioned steps then and gets final product.
A kind of particular manufacturing craft of realizing non-round box shape spare segmentation necking down process also is provided, has lower bolster, said lower bolster one end solid punch; The lower bolster other end is provided with holder, is shaped on notch on the said holder, also is shaped on the slotted eye that connects with notch; Die slidably places in the slotted eye and with punch and is oppositely arranged, and said die lower end is shaped on fin, and said punch lower end is shaped on and the corresponding recessed rib of fin; The inclined-plane that said die rear end is shaped on places in the notch; And suitable with the inclined-plane of patrix bottom, said punch is fillet punch or straight flange punch, said die is fillet die or straight flange die; Said fillet punch and the suitable composition of fillet die bight reducing die, said straight flange punch and the suitable composition straight flange of straight flange die reducing die.
Wherein, Said patrix is made up of upper bolster, die shank and wedge; Said die shank is fixed in the upper bolster upper surface and is connected with forcing press, and said oblique contract is fixed in the upper bolster lower surface through the wedge fixed head, and the inclined-plane of said wedge lower end and the inclined-plane of die rear end are suitable.
Further, said fillet die and straight flange die leading section upper end all is shaped on step, and said step is provided with the height that binder elastomer and binder elastomer protrude in outside the step and exceed fin.
Further, said binder elastomer is a binder rubber.
Further, the fin two ends on said fillet die or the straight flange die all are shaped on circular chamfering.
The present invention compared with prior art adopts the segmentation necking down process can effectively guarantee the aesthetic property of uniformity and the dimensional accuracy and the profile of part oral area, has very high practical value.
Description of drawings
Fig. 1 is a bight of the present invention reducing die structural representation;
Fig. 2 is a straight flange reducing die structural representation of the present invention;
Fig. 3 is a bight reducing die user mode sketch map;
Fig. 4 is a part front view after the reducing of bight of the present invention;
Fig. 5 is a part vertical view after the reducing of bight of the present invention;
Fig. 6 is a part three dimensional map after the reducing of bight of the present invention;
Fig. 7 is a part front view after the reducing of the present invention;
Fig. 8 is a part vertical view after the reducing of the present invention;
Fig. 9 is a part three dimensional map after the reducing of the present invention;
The specific embodiment
Below in conjunction with accompanying drawing 1,2,3,4,5,6,7,8,9 a kind of embodiment of the present invention is described.
Non-round box shape spare segmentation necking down process comprises the steps:
The first step, the bight necking forming: get the part 15 after pull and stretch, the deburring, earlier with the bight reducing die with each bight of part 15 through punching press necking forming one by one; And the die that the bight reducing die has concavo-convex cooperation is identical with part 15 bight curves with punch auxiliary section curve with said die of punch while; Concrete steps do; The bight reducing die is made up of fillet punch (2) and fillet die (11); Earlier shrinkage waiting open part 15 is enclosed within on the fillet punch 2, makes 15 1 bights of part aim at fillet die 11 leading sections, patrix is exercised inclined-plane, wedge 10 lower end for 7 times and is contacted with inclined-plane, fillet die 11 rear end; Promoting fillet die 11 moves to fillet punch 2 directions; Binder rubber 13 is tightly pushed down part 15 upper ends and fillet punch 2 earlier, and the recessed rib of the fin of fillet die 11 lower ends and fillet punch 2 lower ends compresses the necking forming of promptly accomplishing a bight with part 15, and part 15 is taken off from fillet punch 2; Part 15 another angular alignment fillet die 11 leading sections also are enclosed within on the fillet punch 2 again, repeat above-mentioned steps and promptly accomplish the reducing in part 15 each bight.Binder rubber 13 is tightly pushed down part 15 and fillet punch 2 earlier, and fillet die 11 back contact parts 15 can prevent that like this part 15 from producing warpage in fillet die 11 contact backs, cause part 15 to be scrapped,
Second step, the straight flange necking forming: again with the straight flange reducing die with each straight flange of part 15 through punching press necking forming one by one; And die and punch that the straight flange reducing die has a concavo-convex cooperation said die and punch auxiliary section and part 15 straight flanges simultaneously adapt; Concrete steps do; The straight flange reducing die is made up of straight flange punch 5 and straight flange die 12; Part 15 with bight reducing is enclosed within on the straight flange punch 5 earlier, makes 15 1 straight flange collimation of part edge die, 12 leading sections, and patrix is exercised inclined-plane, wedge 10 lower end for 7 times and contacted with inclined-plane, straight flange die 12 rear end; Promoting straight flange die 12 moves to straight flange punch 5 directions; Binder rubber 13 is tightly pushed down part 15 tops and straight flange punch 5 earlier, and the recessed rib of the fin of straight flange die 12 lower ends and straight flange punch 5 lower ends compresses the necking forming of promptly accomplishing a straight flange with part 15, and part 15 is taken off from straight flange punch 5; Part 15 another straight flange collimation edge die 12 leading sections also are enclosed within on the straight flange punch 5 again, repeat the reducing that above-mentioned steps is promptly accomplished part 15 each straight flange.When part 15 bigger; When the shrinkage waiting open straight flange was longer, then part 15 straight flange reducing segmentations were carried out, behind the necking forming of completion part 15 a straight flanges part; Length with straight flange die 12 working faces of part 15 relative straight flange die 12 displacements repeats above-mentioned steps then and gets final product.Binder rubber 13 is tightly pushed down part 15 and straight flange punch 5 earlier, and straight flange die 12 back contact parts 15 can prevent that like this part 15 from producing warpage in straight flange die 12 contact backs, causes part 15 to be scrapped.
A kind of particular manufacturing craft of realizing non-round box shape spare segmentation necking down process also is provided, has lower bolster 1, said lower bolster 1 one end solid punch; Lower bolster 1 other end is provided with holder 3; Be shaped on notch 4 on the said holder 3, also be shaped on the slotted eye 6 that connects with notch 4, die slidably places in the slotted eye 6 and with punch and is oppositely arranged; Said die lower end is shaped on fin; Said punch lower end is shaped on and the corresponding recessed rib of fin, and the inclined-plane that said die rear end is shaped on places in the notch 4, and suitable with the inclined-plane of patrix 7 bottoms.Said patrix 7 is made up of upper bolster 8, die shank 9 and wedge 10; Said die shank 9 is fixed in upper bolster 8 upper surfaces and is connected with forcing press; Said oblique contract 10 is fixed in upper bolster 8 lower surfaces through wedge fixed head 9, and the inclined-plane of said wedge 10 lower ends and the inclined-plane of die 5 rear ends are suitable.Said punch is fillet punch 2 or straight flange punch 5, and said die is fillet die 11 or straight flange die 12, said fillet punch 2 and fillet die 11 suitable composition bight reducing dies, said straight flange punch 5 and straight flange die 12 suitable composition straight flange reducing dies.Said fillet die 11 all is shaped on step with straight flange die 12 leading sections upper end, and said step is provided with the height that binder elastomer and binder elastomer protrude in outside the step and exceed fin.Said binder elastomer is a binder rubber 13.Fin two ends on said fillet die 11 or the straight flange die 12 all are shaped on circular chamfering, and when workpiece 15 sizes are bigger, when straight flange needed repeatedly reducing, overlapping smooth when circular chamfering can make twice reducing did not have unnecessary impression.
The foregoing description is preferred embodiment of the present invention, is not to be used for limiting practical range of the present invention, so all equivalences of being done with the said content of claim of the present invention change, all should be included within the claim scope of the present invention.
Claims (10)
1. non-round box shape spare segmentation necking down process is characterized in that comprising the steps:
1) bight necking forming: get the part (15) after pull and stretch, the deburring, earlier with the bight reducing die with each bight of part (15) through punching press necking forming one by one; And the die that the bight reducing die has concavo-convex cooperation is identical with part (15) bight curve with punch auxiliary section curve with said die of punch while;
2) straight flange necking forming: use again the straight flange reducing die with each straight flange of part (15) through punching press necking forming one by one; And die and punch that the straight flange reducing die has a concavo-convex cooperation said die and punch auxiliary section and part (15) straight flange simultaneously adapt.
2. non-round box shape spare segmentation necking down process according to claim 1 is characterized in that to large-scale part (15), segmentation is carried out during the straight flange reducing, until all straight flange reducings of part (15) are accomplished.
3. non-round box shape spare segmentation necking down process according to claim 1; It is characterized in that: in the above-mentioned steps 1; Said bight reducing die is made up of fillet punch (2) and fillet die (11); Earlier shrinkage waiting open part (15) is enclosed within on the fillet punch (2), makes (15) bights of part aim at fillet die (11) leading section, patrix (7) is exercised wedge (10) inclined-plane, lower end down and is contacted with fillet die (11) inclined-plane, rear end; Promoting fillet die (11) moves to fillet punch (2) direction; Binder rubber (13) is tightly pushed down part (15) upper end with fillet punch (2) earlier, and the recessed rib of the fin of fillet die (11) lower end and fillet punch (2) lower end compresses the necking forming of promptly accomplishing a bight with part (15), and part (15) is taken off from fillet punch (2); Another angular alignment fillet die (11) leading section of part (15) also is enclosed within on the fillet punch (2) again, repeats above-mentioned steps and promptly accomplish the reducing in each bight of part (15).
4. non-round box shape spare segmentation necking down process according to claim 1; It is characterized in that: in the above-mentioned steps 2; Said straight flange reducing die is made up of straight flange punch (5) and straight flange die (12); Part (15) with bight reducing is enclosed within on the straight flange punch (5) earlier, makes (15) straight flange collimation edge dies of part (12) leading section, and patrix (7) is exercised wedge (10) inclined-plane, lower end down and contacted with straight flange die (12) inclined-plane, rear end; Promoting straight flange die (12) moves to straight flange punch (5) direction; Binder rubber (13) is tightly pushed down part (15) top and straight flange punch (5) earlier, and the recessed rib of the fin of straight flange die (12) lower end and straight flange punch (5) lower end compresses the necking forming of promptly accomplishing a straight flange with part (15), and part (15) is taken off from straight flange punch (5); Another straight flange collimation edge die (12) leading section of part (15) also is enclosed within on the straight flange punch (5) again, repeats the reducing that above-mentioned steps is promptly accomplished each straight flange of part (15).
5. according to claim 1,2,3 or 4 described non-round box shape spare segmentation necking down process; It is characterized in that: when part (15) bigger; When the shrinkage waiting open straight flange was longer, then part (15) straight flange reducing segmentation was carried out, behind the necking forming of completion part (a 15) straight flange part; Length with relative straight flange die (a 12) straight flange die of displacement (12) working face of part (15) repeats above-mentioned steps then and gets final product.
6. realize particular manufacturing craft, it is characterized in that: have lower bolster (1), said lower bolster (1) one end solid punch like claim 1,2,3 or 4 said non-round box shape spare segmentation necking down process; Lower bolster (1) other end is provided with holder (3); Be shaped on notch (4) on the said holder (3), also be shaped on the slotted eye (6) that connects with notch (4), die slidably places in the slotted eye (6) and with punch and is oppositely arranged; Said die lower end is shaped on fin; Said punch lower end is shaped on and the corresponding recessed rib of fin, and the inclined-plane that said die rear end is shaped on places in the notch (4), and suitable with the inclined-plane of patrix (7) bottom; Said punch is fillet punch (2) or straight flange punch (5); Said die is fillet die (11) or straight flange die (12), said fillet punch (2) and the suitable composition of fillet die (11) bight reducing die, said straight flange punch (5) and the suitable composition straight flange of straight flange die (12) reducing die.
7. the particular manufacturing craft of the non-round box shape spare segmentation of realization according to claim 6 necking down process; It is characterized in that: said patrix (7) is made up of upper bolster (8), die shank (9) and wedge (10); Said die shank (9) is fixed in upper bolster (8) upper surface and is connected with forcing press; Said oblique contract (10) is fixed in upper bolster (8) lower surface through wedge fixed head (9), and the inclined-plane of the inclined-plane of said wedge (10) lower end and die (5) rear end is suitable.
8. the particular manufacturing craft of the non-round box shape spare segmentation of realization according to claim 7 necking down process; It is characterized in that: said fillet die (11) and straight flange die (12) leading section upper end all is shaped on step, and said step is provided with the height that binder elastomer and binder elastomer protrude in outside the step and exceed fin.
9. the particular manufacturing craft of the non-round box shape spare segmentation of realization according to claim 8 necking down process is characterized in that: said binder elastomer is binder rubber (13).
10. the particular manufacturing craft of the non-round box shape spare segmentation of realization according to claim 9 necking down process is characterized in that: the fin two ends on said fillet die (11) or the straight flange die (12) all are shaped on circular chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103630979A CN102430665A (en) | 2011-11-16 | 2011-11-16 | Noncircular box-shaped part segmentation necking process and special die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103630979A CN102430665A (en) | 2011-11-16 | 2011-11-16 | Noncircular box-shaped part segmentation necking process and special die |
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| CN102430665A true CN102430665A (en) | 2012-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011103630979A Pending CN102430665A (en) | 2011-11-16 | 2011-11-16 | Noncircular box-shaped part segmentation necking process and special die |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004025214A (en) * | 2002-06-24 | 2004-01-29 | Daido Kogyo Co Ltd | Pipe with both tapers, method for swaging pipe and mandrel |
| TWM303067U (en) * | 2006-06-16 | 2006-12-21 | Yu-Yi Tsai | Structure of flanger die for square can |
| KR100882739B1 (en) * | 2007-12-14 | 2009-02-09 | 주식회사 대륙제관 | Manufacturing device for square shape type necked in can vessel and manufacturing method thereof |
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2011
- 2011-11-16 CN CN2011103630979A patent/CN102430665A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004025214A (en) * | 2002-06-24 | 2004-01-29 | Daido Kogyo Co Ltd | Pipe with both tapers, method for swaging pipe and mandrel |
| TWM303067U (en) * | 2006-06-16 | 2006-12-21 | Yu-Yi Tsai | Structure of flanger die for square can |
| KR100882739B1 (en) * | 2007-12-14 | 2009-02-09 | 주식회사 대륙제관 | Manufacturing device for square shape type necked in can vessel and manufacturing method thereof |
| TW200932394A (en) * | 2007-12-14 | 2009-08-01 | Dae Ryuk Can Co Ltd | Apparatus and method for manufacturing square necked-in cans |
Non-Patent Citations (2)
| Title |
|---|
| 周斌兴: "《冲压模具设计与制造实训教程》", 30 April 2006, 国防工业出版社 * |
| 桑永刚: "正方形盒体缩口工艺分析及模具设计", 《模具制造》 * |
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Application publication date: 20120502 |