JPH01116621U - - Google Patents
Info
- Publication number
- JPH01116621U JPH01116621U JP1336988U JP1336988U JPH01116621U JP H01116621 U JPH01116621 U JP H01116621U JP 1336988 U JP1336988 U JP 1336988U JP 1336988 U JP1336988 U JP 1336988U JP H01116621 U JPH01116621 U JP H01116621U
- Authority
- JP
- Japan
- Prior art keywords
- casting pin
- casting
- fitting part
- slit
- mold
- 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.)
- Granted
Links
- 238000005266 casting Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
第１図は本考案にかかる成形金型の鋳抜ピン構
造の概略構成を、金型への取付部分とともに拡大
して示す部分断面図、第２図は同じく、鋳抜ピン
の正面図、第３図は第２図の―線に沿つた断
面図、第４図は成形金型のシステム構成を概略的
に示す部分断面図、第５図は従来の発泡熱可塑性
樹脂成形用の成形金型の概略構成を示す断面図、
第６図は本考案にかかる鋳抜ピンを使用して製造
した成形品の表面粗さを測定した結果を示すグラ
フ、第７図は従来の鋳抜ピンを使用して製造した
成形品の表面粗さを測定した結果を示すグラフ、
第８図は鋳抜孔を有する成形品の概略構成を示す
斜視図、第９図は第８図のｉｘ―ｉｘ線に沿つた
断面図である。
１……成形金型の鋳抜ピン構造、３……嵌合部
、４……取付ネジ部、６……中空構造（中空部）
、８……連通孔、２２……底部（鋳抜ピン底部）
、２４……スリツト溝、３２……外周スリツト。
FIG. 1 is an enlarged partial sectional view showing the schematic configuration of the casting pin structure of the molding die according to the present invention together with the attachment part to the mold, and FIG. 2 is a front view of the casting pin, and FIG. Figure 3 is a cross-sectional view taken along the line - in Figure 2, Figure 4 is a partial cross-sectional view schematically showing the system configuration of the mold, and Figure 5 is a conventional mold for molding foamed thermoplastic resin. A cross-sectional view showing the schematic configuration of
Figure 6 is a graph showing the results of measuring the surface roughness of a molded product manufactured using the cast-out pin according to the present invention, and Figure 7 is a graph showing the surface roughness of a molded product manufactured using a conventional cast-out pin. A graph showing the results of measuring roughness,
FIG. 8 is a perspective view showing a schematic structure of a molded product having a casting hole, and FIG. 9 is a sectional view taken along the line ix--ix in FIG. 8. 1... Casting pin structure of the molding die, 3... Fitting part, 4... Mounting screw part, 6... Hollow structure (hollow part)
, 8...Communication hole, 22...Bottom (bottom of cast pin)
, 24... slit groove, 32... outer periphery slit.
Claims (1)
金型の鋳抜ピン構造であつて、 前記鋳抜ピンを、前記金型へ位置決めおよび取
り付けするための、該鋳抜ピンの嵌合部および取
付ネジ部を中空構造とするとともに、前記嵌合部
に、複数の外周スリツトおよび該嵌合部の中空部
と該外周スリツトを連通させる連通孔を形成し、
さらに、前記金型への取付部となる鋳抜ピン底部
の外周に、前記嵌合部の外周スリツトを通じて、
前記中空部と連通する複数のスリツト溝を放射状
に形成したことを特徴とする成形金型の鋳抜ピン
構造。[Claims for Utility Model Registration] A casting pin structure of a forming die used for manufacturing a molded product having a casting hole, comprising a casting pin structure for positioning and attaching the casting pin to the mold. The fitting part and the mounting screw part of the casting pin have a hollow structure, and the fitting part is formed with a plurality of outer circumferential slits and a communication hole that communicates the hollow part of the fitting part with the outer circumferential slit,
Furthermore, through the outer periphery slit of the fitting part, the outer periphery of the bottom of the casting pin that becomes the attachment part to the mold,
A casting pin structure for a forming die, characterized in that a plurality of slit grooves communicating with the hollow portion are formed radially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1336988U JPH0514820Y2 (en) | 1988-02-02 | 1988-02-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1336988U JPH0514820Y2 (en) | 1988-02-02 | 1988-02-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01116621U true JPH01116621U (en) | 1989-08-07 |
| JPH0514820Y2 JPH0514820Y2 (en) | 1993-04-20 |
Family
ID=31223617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1336988U Expired - Lifetime JPH0514820Y2 (en) | 1988-02-02 | 1988-02-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0514820Y2 (en) |
-
1988
- 1988-02-02 JP JP1336988U patent/JPH0514820Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0514820Y2 (en) | 1993-04-20 |