JPS63127728U - - Google Patents
Info
- Publication number
- JPS63127728U JPS63127728U JP1799187U JP1799187U JPS63127728U JP S63127728 U JPS63127728 U JP S63127728U JP 1799187 U JP1799187 U JP 1799187U JP 1799187 U JP1799187 U JP 1799187U JP S63127728 U JPS63127728 U JP S63127728U
- Authority
- JP
- Japan
- Prior art keywords
- forging
- recess
- internal combustion
- mold
- piston
- 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
Links
- 238000005242 forging Methods 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 description 2
Description
第１図は本考案の第１実施例にかかる、内燃機
関用ピストンの鍛造用金型の概略構成を示す断面
図、第２図は本考案の第２実施例にかかる、入口
を縮径させた未貫通孔を示す断面図、第３図は本
考案の第３実施例にかかる、弾性部材が挿入され
た未貫通孔を示す断面図、第４図は本考案の第４
実施例にかかる、スプリングが挿入された未貫通
孔を示す断面図、第５図は本考案の第５実施例に
かかる、入口の縮径部材と弾性部材が挿入された
未貫通孔を示す断面図、第６図は本考案の第６実
施例にかかる、入口の縮径部材とスプリングが挿
入された未貫通孔を示す断面図、第７図は第６実
施例の未貫通孔に挿入されるスプリングの概略構
成を示す正面図である。
１……内燃機関用ピストンの鍛造用金型、２…
…ダイス、４……ポンチ、８，９，１２，１４…
…弾性体、４２……ピンボス部成形用凹部（凹部
）、４４……成形溝、４６……未貫通孔。
FIG. 1 is a sectional view showing the schematic structure of a forging mold for a piston for an internal combustion engine according to a first embodiment of the present invention, and FIG. FIG. 3 is a cross-sectional view showing a non-through hole into which an elastic member is inserted according to the third embodiment of the present invention, and FIG.
FIG. 5 is a cross-sectional view showing an unpierced hole into which a spring is inserted according to the embodiment, and FIG. Fig. 6 is a sectional view showing an unpierced hole into which an inlet diameter reducing member and a spring are inserted according to a sixth embodiment of the present invention, and Fig. 7 is a sectional view showing an unpierced hole inserted into the unpierced hole of the sixth embodiment. FIG. 2 is a front view showing a schematic configuration of a spring. 1...Mold for forging pistons for internal combustion engines, 2...
...Dice, 4...Punch, 8, 9, 12, 14...
. . . Elastic body, 42 . . . Pin boss molding recess (recess), 44 . . . Molding groove, 46 . . . Unpierced hole.
Claims (1)
鍛造するポンチとから構成され、前記ポンチに、
ピンボス部成形用凹部と、該凹部に開口する成形
溝を形成した内燃機関用ピストンの鍛造用金型に
おいて、前記ピンボス部成形用凹部に、前記成形
溝と連通する未貫通孔を穿設したことを特徴とす
る内燃機関用ピストンの鍛造用金型。 (2) 前記未貫通孔に弾性体を挿入したことを特
徴とする、実用新案登録請求の範囲第１項記載の
内燃機関用ピストンの鍛造用金型。[Claims for Utility Model Registration] (1) Consisting of a die and a punch for forging a piston in cooperation with the die, the punch includes:
In a forging mold for an internal combustion engine piston in which a recess for forming a pin boss part and a forming groove opening into the recess are formed, a non-through hole communicating with the forming groove is bored in the recess for forming the pin boss part. A mold for forging pistons for internal combustion engines. (2) A mold for forging a piston for an internal combustion engine according to claim 1, which is characterized in that an elastic body is inserted into the non-through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1799187U JPS63127728U (en) | 1987-02-10 | 1987-02-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1799187U JPS63127728U (en) | 1987-02-10 | 1987-02-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63127728U true JPS63127728U (en) | 1988-08-22 |
Family
ID=30811257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1799187U Pending JPS63127728U (en) | 1987-02-10 | 1987-02-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63127728U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102989965A (en) * | 2011-09-19 | 2013-03-27 | 上海交大中京锻压有限公司 | Automotive besides-star wheel forging die structure |
-
1987
- 1987-02-10 JP JP1799187U patent/JPS63127728U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102989965A (en) * | 2011-09-19 | 2013-03-27 | 上海交大中京锻压有限公司 | Automotive besides-star wheel forging die structure |
| CN102989965B (en) * | 2011-09-19 | 2015-09-09 | 上海交大中京锻压有限公司 | A kind of automobile besides-star wheel forging die structure |
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