CN104475539A - Blanking die for reciprocating lever - Google Patents
Blanking die for reciprocating lever Download PDFInfo
- Publication number
- CN104475539A CN104475539A CN201410687032.3A CN201410687032A CN104475539A CN 104475539 A CN104475539 A CN 104475539A CN 201410687032 A CN201410687032 A CN 201410687032A CN 104475539 A CN104475539 A CN 104475539A
- Authority
- CN
- China
- Prior art keywords
- die
- holder
- punch
- plate
- reciprocating lever
- 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
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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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a blanking die for a reciprocating lever. The blanking die comprises a male die, a female die and a guide assembly. The female die comprises a lower die holder, a lower base plate, a female die body fixing base, a female die body, discharging plates, spring guide rods and discharging springs. The male die comprises an upper die holder, an upper base plate, a male die body fixing base, a male die body, a material ejection plate, a material ejection plate fixing base, a material knockout plate, ejection rods, springs and a material knockout rod. The upper die holder and the lower die holder are connected through the guide assembly; the lower end surface of the male die body and the lower end surface of the material ejection plate are 3mm lower than the lower end surface of the material ejection plate fixing base, the upper end surface of the female die body is 3mm lower than the upper end surface of each discharging plate, and therefore blanking force can act on the female die body in a sub-step mode through the design, working contact stress borne by the female die body can be low, and the service life of the female die body is effectively prolonged. The blanking die for the reciprocating lever has the advantages of being high in automation efficiency, high in product machining accuracy, good in discharging effect and long in service life.
Description
Technical field
The present invention relates to a kind of reciprocating lever part forming mould structure, refer in particular to a kind of blanking die mould of long working life.
Background technology
Reciprocating lever as the vital part of sawing class instrument, its accuracy of manufacture require very high, the maximum feature of reciprocating lever punch process is exactly that material is thick, and the strength of materials is high, shearing area and shear dimension precision requirement high.High-precision blanking processing scheme conventional at present has compound die punch press process, and belong to and once go out all sheared edges, the part defect therefore processed is few, and dimensional accuracy is high, and blanking pressure is relative also less.But the reciprocating lever of machining high-precision, can the key of compound die punch press process be adopted to be exactly the working life how ensureing concave-convex mold, be therefore necessary to research and develop a kind of blanking die for processing reciprocating lever, key will reduce concave-convex mold working stress exactly.
Summary of the invention
For the technical problem of above-mentioned existence, the object of the invention is: the blanking die proposing a kind of long working life for processing reciprocating lever.
Technical solution of the present invention is achieved in that a kind of reciprocating lever blanking die, comprises male model, master mold and guidance set; Described master mold comprises die shoe, lower bolster, die holder, die, stripper, spring guide, discharging spring; Described male model comprises upper bolster, upper padding plate, punch holder, punch, die pad, die pad holder, knockout plate, push rod, spring and knockout rod; Described upper bolster is connected by guidance set with between die shoe; Described die holder is fixedly connected on die shoe by securing member; Described die is fixed by die holder; Lower bolster is provided with between described die and die shoe; Described die periphery is arranged with stripper; Described lower end is fixedly connected with spring guide; Described spring guide is provided with discharging spring; Upper padding plate, punch holder, die pad holder are fixedly connected sequentially by securing member by described upper bolster from top to bottom; Described punch is fixedly connected on punch holder; Described die pad is set in die pad holder; Described knockout rod is connected with knockout plate through upper bolster; The upper end of described knockout plate is also provided with two springs; The lower end of described knockout plate is connected with several push rod; Described each push rod is connected to the upper end of die pad through upper padding plate and punch holder; The lower surface of described punch and die pad is lower than the lower surface 3mm of die pad holder; The upper surface of described die is lower than the upper surface 3mm of stripper.
Preferably, described guidance set is removable accurate slip guide pillar.
Preferably, described guidance set has four groups.
Preferably, the end of described discharging spring and spring is provided with plug screw.
Preferably, the lower end of described upper bolster and the upper end of described die shoe are provided with corresponding limited post.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
Reciprocating lever blanking die of the present invention, automation efficiency is high, processing precision of products is high, discharging is effective, for reducing die working stress, design the lower surface 3mm of lower surface lower than die pad holder of punch and die pad, the upper surface of die is lower than the upper surface 3mm of stripper, and make blanking pressure stepping action on die, the functional contact stress that die is born is lower, the service life of effective raising die, thus reach unitary mould and increase the service life.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Accompanying drawing 1 is reciprocating lever blanking die structural representation of the present invention;
Wherein: 1, die shoe; 2, lower bolster; 3, die holder; 4, die; 5, stripper; 6, spring guide; 7, discharging spring; 8, guidance set; 9, upper bolster; 10, upper padding plate; 11, punch holder; 12, punch; 13, die pad; 14, liftout holder; 15, knockout plate; 16, liftout; 17, spring; 18, knockout rod; 19, plug screw; 20, limited post.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described.
Reciprocating lever blanking die structure of the present invention as shown in Figure 1, comprises male model, master mold and guidance set 8; Described master mold comprises die shoe 1, lower bolster 2, die holder 3, die 4, stripper 5, spring guide 6, discharging spring 7; Described male model comprises upper bolster 9, upper padding plate 10, punch holder 11, punch 12, die pad 13, die pad holder 14, knockout plate 15, push rod 16, spring 17 and knockout rod 18; Described upper bolster 9 is connected by guidance set 8 with between die shoe 1; Described die holder 3 is fixedly connected on die shoe 1 by securing member; Described die 4 is fixed by die holder 3; Lower bolster 2 is provided with between described die 4 and die shoe 1; Described die 4 periphery is arranged with stripper 5; The lower end of described stripper 5 is fixedly connected with spring guide 6; Described spring guide 6 is provided with discharging spring 7; Upper padding plate 10, punch holder 11, die pad holder 14 are fixedly connected sequentially by securing member by described upper bolster 9 from top to bottom; Described punch 12 is fixedly connected on punch holder 11; Described die pad 13 is set in die pad holder 14; Described knockout rod 18 is connected with knockout plate 15 through upper bolster 9; The upper end of described knockout plate 15 is also provided with two springs 17; The lower end of described knockout plate 15 is connected with several push rod 16; Described each push rod 16 is connected to the upper end of die pad 13 through upper padding plate 10 and punch holder 11; The lower surface of described punch 12 and die pad 13 is lower than the lower surface 3mm of die pad holder 14; The upper surface of described die 4 is lower than the upper surface 3mm of stripper 5.Such design, can make blanking pressure stepping action on die, effectively reduces the functional contact stress that die bears.
Further instruction, described guidance set 8 is removable accurate slip guide pillars, and has four groups, plays accurate guide effect, to guarantee the accuracy of workpiece.
Further instruction, the end of described discharging spring 7 and spring 17 is provided with plug screw 19.The impulse stroke that Dies ' Blanking adds stripper in man-hour is 6-7mm, and for guaranteeing service life and reliability, therefore adopt the discharging of heavy load Rectangular Spring, stripping force can regulate pre compressed magnitude by plug screw 19.
Further instruction, the lower end of described upper bolster 9 and the upper end of described die shoe 1 are provided with corresponding limited post 20.Described limited post 20 moves down extreme position for what limit punch, effectively reduces the wearing and tearing of punch and die, can extend punch and die service life.
The reciprocating lever blanking die of the present invention program, automation efficiency is high, processing precision of products is high, discharging is effective, reduces the functional contact stress that die bears lower, effectively improves the service life of die, thus reaches unitary mould and increase the service life.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (5)
1. a reciprocating lever blanking die, is characterized in that: comprise male model, master mold and guidance set; Described master mold comprises die shoe, lower bolster, die holder, die, stripper, spring guide, discharging spring; Described male model comprises upper bolster, upper padding plate, punch holder, punch, die pad, die pad holder, knockout plate, push rod, spring and knockout rod; Described upper bolster is connected by guidance set with between die shoe; Described die holder is fixedly connected on die shoe by securing member; Described die is fixed by die holder; Lower bolster is provided with between described die and die shoe; Described die periphery is arranged with stripper; The lower end of described stripper is fixedly connected with spring guide; Described spring guide is provided with discharging spring; Upper padding plate, punch holder, die pad holder are fixedly connected sequentially by securing member by described upper bolster from top to bottom; Described punch is fixedly connected on punch holder; Described die pad is set in die pad holder; Described knockout rod is connected with knockout plate through upper bolster; The upper end of described knockout plate is also provided with two springs; The lower end of described knockout plate is connected with several push rod; Described each push rod is connected to the upper end of die pad through upper padding plate and punch holder; The lower surface of described punch and die pad is lower than the lower surface 3mm of die pad holder; The upper surface of described die is lower than the upper surface 3mm of stripper.
2. reciprocating lever blanking die according to claim 1, is characterized in that: described guidance set is removable accurate slip guide pillar.
3. reciprocating lever blanking die according to claim 2, is characterized in that: described guidance set has four groups.
4. reciprocating lever blanking die according to claim 1, is characterized in that: the end of described discharging spring and spring is provided with plug screw.
5. reciprocating lever blanking die according to claim 1, is characterized in that: the lower end of described upper bolster and the upper end of described die shoe are provided with corresponding limited post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410687032.3A CN104475539A (en) | 2014-11-25 | 2014-11-25 | Blanking die for reciprocating lever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410687032.3A CN104475539A (en) | 2014-11-25 | 2014-11-25 | Blanking die for reciprocating lever |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104475539A true CN104475539A (en) | 2015-04-01 |
Family
ID=52750216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410687032.3A Pending CN104475539A (en) | 2014-11-25 | 2014-11-25 | Blanking die for reciprocating lever |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104475539A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109500256A (en) * | 2019-01-08 | 2019-03-22 | 山东小鸭精工机械有限公司 | Molding die knock-out mechanism and stamping die |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110011734A (en) * | 2011-01-17 | 2011-02-08 | 주식회사 에스디에스 | Blanking mold and its method of die and pad simultaneously operating type |
| CN202934026U (en) * | 2012-10-22 | 2013-05-15 | 程灵 | Inverted type punching and blanking compound die |
| JP2013220467A (en) * | 2012-04-19 | 2013-10-28 | Aisin Aw Co Ltd | Punching device and punching method |
| CN203635765U (en) * | 2013-12-26 | 2014-06-11 | 福建宏贯路桥防腐科技股份有限公司 | Gasket punch die device |
| CN204262142U (en) * | 2014-11-25 | 2015-04-15 | 吴中区光福良盛机械厂 | A kind of reciprocating lever blanking die |
-
2014
- 2014-11-25 CN CN201410687032.3A patent/CN104475539A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110011734A (en) * | 2011-01-17 | 2011-02-08 | 주식회사 에스디에스 | Blanking mold and its method of die and pad simultaneously operating type |
| JP2013220467A (en) * | 2012-04-19 | 2013-10-28 | Aisin Aw Co Ltd | Punching device and punching method |
| CN202934026U (en) * | 2012-10-22 | 2013-05-15 | 程灵 | Inverted type punching and blanking compound die |
| CN203635765U (en) * | 2013-12-26 | 2014-06-11 | 福建宏贯路桥防腐科技股份有限公司 | Gasket punch die device |
| CN204262142U (en) * | 2014-11-25 | 2015-04-15 | 吴中区光福良盛机械厂 | A kind of reciprocating lever blanking die |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109500256A (en) * | 2019-01-08 | 2019-03-22 | 山东小鸭精工机械有限公司 | Molding die knock-out mechanism and stamping die |
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Application publication date: 20150401 |