CN104070115B - Stamping die for retaining rings for holes - Google Patents
Stamping die for retaining rings for holes Download PDFInfo
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- CN104070115B CN104070115B CN201410356725.4A CN201410356725A CN104070115B CN 104070115 B CN104070115 B CN 104070115B CN 201410356725 A CN201410356725 A CN 201410356725A CN 104070115 B CN104070115 B CN 104070115B
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- die
- arc
- annular groove
- insert
- stamping
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- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The invention discloses a stamping die for retaining rings for holes. The stamping die comprises a stamping female die and a stamping male die, wherein an abrasion-resistant insert is arranged in an easy-to-abrade position of the stamping female die, the stamping female die and the stamping male die are matched for use, and the abrasion-resistant insert is located in a position where the stress exerted on the die is largest during machining of the retaining rings for the holes, so that the abrasion resistance of the easy-to-abrade position of the die is improved, the maintenance cost of the die is saved, frequent replacement of the die due to local abrasion is not required, the service life of the whole die is prolonged, and the machining benefit is increased.
Description
Technical field
The present invention relates to back-up ring processing technique field, the back-up ring diel of more particularly, to a kind of hole.
Background technology
The Main Function of back-up ring is the cast parts being fastened on axle, can prevent the other parts play being contained on axle,
Belong to a kind of securing member, be conventional machine components.In actual production process, back-up ring generally adopts die stamping mode manufacture.?
In punching course, due to the special shape of back-up ring, easily produce wedge angle burr in the incision of mould, the abrasion to mould increases
Greatly, the mold use life-span is made to reduce, accordingly it is desirable to regularly replace to mould, so that processing cost increases.
Content of the invention
For solving technical problem present in background technology, the present invention proposes a kind of back-up ring diel of hole, need not be because
Concentrated wear and frequent more mold exchange, extend the mold use life-span, improve processing benefit.
A kind of hole proposed by the present invention back-up ring diel, including, stamping cavity die and punching press punch；
It is provided with the annular groove for punching hole back-up ring workpiece, annular groove has preset width w in stamping cavity die, and
And annular groove has two radial indent to center of circle direction depression near the side in its center of circle, between two radial indent
The central angle of circular arc is a, 15 °≤a≤45 °, and annular groove is provided with dismountable arc insert away from the side in the center of circle, and arc is inlayed
Arc position between block and two radial indent is relative, and the central angle of arc insert is b, b >=a, and arc insert is away from annular
Width on tangential for the groove side is l1, and near annular groove side, the width on tangential is l2, l1 to arc insert > l2；
Punching press punch is coordinated with stamping cavity die.
Preferably, radial indent rounding off.
Preferably, arc insert and annular groove rounding off.
Preferably, arc insert is arranged on stamping cavity die by interference fit.
Preferably, arc insert surface is provided with wear-resistant coating.
In the present invention, the hole back-up ring diel that proposed, due to the shape of workpiece, easily there is concentrated wear in mould,
By arranging wear-resisting insert in unitary mould, in hole with, in back-up ring process, wear-resisting insert is in mould stress maximum,
Thus improving the anti-wear performance of mould position easy to wear, save mold repair cost, it is therefore not necessary to frequent because of concentrated wear
More mold exchange, extends the service life of unitary mould, improves processing benefit.
Brief description
Fig. 1 is a kind of structural representation of the stamping cavity die of hole back-up ring diel proposed by the present invention.
Fig. 2 is a kind of structural representation of the punching press punch of hole back-up ring diel proposed by the present invention.
Specific embodiment
As depicted in figs. 1 and 2, Fig. 1 is a kind of structure of the stamping cavity die of hole back-up ring diel proposed by the present invention
Schematic diagram, Fig. 2 is a kind of structural representation of the punching press punch of hole back-up ring diel proposed by the present invention.
See figures.1.and.2, a kind of hole proposed by the present invention back-up ring diel, including stamping cavity die 1 and punching press punch
2；
It is provided with the annular groove 11 for punching hole back-up ring workpiece, annular groove 11 has pre- fixed width in stamping cavity die 1
Degree, and annular groove 11 has two radial indent 12 to center of circle direction depression, two radial directions near the side in its center of circle
The central angle of the circular arc between recess 12 is a, 15 °≤a≤45 °, radial indent 12 rounding off, and annular groove 11 is away from the center of circle
Side be provided with dismountable arc insert 13, arc insert 13 surface is provided with wear-resistant coating, and arc insert 13 is joined by interference
Conjunction be arranged on stamping cavity die 1 and with annular groove 11 rounding off, between arc insert 13 and two radial indent 12
Relatively, the central angle of arc insert 13 is b to arc position, b >=a, and arc insert 13 is away from annular groove 11 side on tangential
Width be l1, near annular groove 11 side, the width on tangential is l2, l1 to arc insert 13 > l2；
Punching press punch 2 is coordinated with stamping cavity die 1.
In specific implementation process, the center of circle of the circular arc between the central angle b of arc insert 13 and two radial indent 12
Angle a is equal, and is equal to 30 °.
Radial indent 12 rounding off, arc insert 13 is with annular groove 11 rounding off it is ensured that the hole back-up ring of processing
Machining accuracy.
Arc insert 13 is arranged on stamping cavity die 1 by interference fit, and arc insert 13 surface is provided with wear-resistant coating, protects
Card arc insert 13 and the cooperation accuracy of stamping cavity die 1, and improve the service life of arc insert 13.
In the present embodiment, the hole being proposed back-up ring diel, due to the shape of workpiece, mould easily occurs local to grind
Damage, by arranging wear-resisting insert in unitary mould, in hole with, in back-up ring process, it is maximum that wear-resisting insert is in mould stress
Place, thus improving the anti-wear performance of mould position easy to wear, saves mold repair cost, it is therefore not necessary to because of concentrated wear
Frequently more mold exchange, extends the service life of unitary mould, improves processing benefit.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (2)
1. a kind of hole with back-up ring diel it is characterised in that including, stamping cavity die (1) and punching press punch (2)；
It is provided with the annular groove (11) for punching hole back-up ring workpiece, annular groove (11) has predetermined in stamping cavity die (1)
Width w, and annular groove (11) near its center of circle side have two to the center of circle direction depression radial indent (12), two
The central angle of the circular arc between individual radial indent (12) is a, and 15 °≤a≤45 °, annular groove (11) sets away from the side in the center of circle
There is dismountable arc insert (13), the arc position between arc insert (13) and two radial indent (12) is relative, arc
The central angle of insert (13) is b, b >=a, and away from annular groove (11) side, the width on tangential is l1 to arc insert (13),
Near annular groove (11) side, the width on tangential is l2, l1 to arc insert (13) > l2；Arc insert (13) is recessed with annular
Groove (11) rounding off；Arc insert (13) is arranged on stamping cavity die (1) by interference fit；
Punching press punch (2) is coordinated with stamping cavity die (1)；
Radial indent (12) rounding off.
2. hole according to claim 1 back-up ring diel it is characterised in that arc insert (13) surface be provided with wear-resisting
Coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410356725.4A CN104070115B (en) | 2014-07-24 | 2014-07-24 | Stamping die for retaining rings for holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410356725.4A CN104070115B (en) | 2014-07-24 | 2014-07-24 | Stamping die for retaining rings for holes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104070115A CN104070115A (en) | 2014-10-01 |
| CN104070115B true CN104070115B (en) | 2017-01-25 |
Family
ID=51591948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410356725.4A Active CN104070115B (en) | 2014-07-24 | 2014-07-24 | Stamping die for retaining rings for holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104070115B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880942B (en) * | 2016-04-29 | 2017-11-28 | 安徽省宁国市东波紧固件有限公司 | A kind of punching molding method of elastic spring |
| CN112207181B (en) * | 2020-10-14 | 2023-03-28 | 东风汽车零部件(集团)有限公司通用铸锻分公司 | Inner hole punching die with lug check ring processing line |
| CN112355135B (en) * | 2020-10-14 | 2023-05-26 | 东风汽车零部件(集团)有限公司通用铸锻分公司 | Automatic processing line equipment with lug retainer ring |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86107871A (en) * | 1986-11-12 | 1988-03-30 | 黄岩县微型电机厂 | Scrapless shaping die making multipiece used in holes |
| US4886408A (en) * | 1984-09-14 | 1989-12-12 | Waldes Truarc, Inc. | Bowed external spring retaining ring of the E-shaped type |
| PL166408B1 (en) * | 1991-07-09 | 1995-05-31 | Huta Stalowa Wola Sa | Method of making circlips |
| CN101176899A (en) * | 2007-11-28 | 2008-05-14 | 陈福星 | Preparing technique of back-up ring |
| JP4361523B2 (en) * | 2005-10-19 | 2009-11-11 | サンレックス工業株式会社 | Punching machine |
| KR101219824B1 (en) * | 2012-02-27 | 2013-01-09 | 홍성표 | C type stop ring manufacturing device |
| CN103008495A (en) * | 2012-12-24 | 2013-04-03 | 江麓机电集团有限公司 | Elastic retainer ring processing method |
| CN103121061A (en) * | 2011-11-18 | 2013-05-29 | 北汽福田汽车股份有限公司 | Die of stamping die and stamping die |
| CN203541227U (en) * | 2013-09-28 | 2014-04-16 | 安徽省宁国市东波紧固件有限公司 | Internal circlip sleeved row continuous mould |
-
2014
- 2014-07-24 CN CN201410356725.4A patent/CN104070115B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4886408A (en) * | 1984-09-14 | 1989-12-12 | Waldes Truarc, Inc. | Bowed external spring retaining ring of the E-shaped type |
| CN86107871A (en) * | 1986-11-12 | 1988-03-30 | 黄岩县微型电机厂 | Scrapless shaping die making multipiece used in holes |
| PL166408B1 (en) * | 1991-07-09 | 1995-05-31 | Huta Stalowa Wola Sa | Method of making circlips |
| JP4361523B2 (en) * | 2005-10-19 | 2009-11-11 | サンレックス工業株式会社 | Punching machine |
| CN101176899A (en) * | 2007-11-28 | 2008-05-14 | 陈福星 | Preparing technique of back-up ring |
| CN103121061A (en) * | 2011-11-18 | 2013-05-29 | 北汽福田汽车股份有限公司 | Die of stamping die and stamping die |
| KR101219824B1 (en) * | 2012-02-27 | 2013-01-09 | 홍성표 | C type stop ring manufacturing device |
| CN103008495A (en) * | 2012-12-24 | 2013-04-03 | 江麓机电集团有限公司 | Elastic retainer ring processing method |
| CN203541227U (en) * | 2013-09-28 | 2014-04-16 | 安徽省宁国市东波紧固件有限公司 | Internal circlip sleeved row continuous mould |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104070115A (en) | 2014-10-01 |
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