JPH0532274Y2 - - Google Patents
Info
- Publication number
- JPH0532274Y2 JPH0532274Y2 JP7558887U JP7558887U JPH0532274Y2 JP H0532274 Y2 JPH0532274 Y2 JP H0532274Y2 JP 7558887 U JP7558887 U JP 7558887U JP 7558887 U JP7558887 U JP 7558887U JP H0532274 Y2 JPH0532274 Y2 JP H0532274Y2
- Authority
- JP
- Japan
- Prior art keywords
- heating cylinder
- heated
- molding machine
- injection molding
- mounting
- 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.)
- Expired - Lifetime
Links
- 238000010438 heat treatment Methods 0.000 claims description 53
- 239000011347 resin Substances 0.000 claims description 25
- 229920005989 resin Polymers 0.000 claims description 25
- 238000001746 injection moulding Methods 0.000 claims description 14
- 239000008188 pellet Substances 0.000 description 23
- 230000000694 effects Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Description
【考案の詳細な説明】
産業上の利用分野
本考案は、射出成形機にもちいられる加熱シリ
ンダーに関するものである。[Detailed Description of the Invention] Industrial Application Field The present invention relates to a heating cylinder used in an injection molding machine.
従来の技術
従来の射出成形機の加熱シリンダー（以下、加
熱シリンダーと呼ぶ）の一例を第２図に示す。第
２図は従来の射出成形機の加熱シリンダーの部分
断面図を示すものである。同図において、１は加
熱シリンダー、２は加熱シリンダー１の樹脂ペレ
ツト投入部、３は加熱シリンダー１の被加熱部、
４は加熱シリンダー１の射出部、５は取付板、６
は取付板５に加熱シリンダーを取付けるところの
加熱シリンダー１の取付部である。BACKGROUND ART FIG. 2 shows an example of a heating cylinder (hereinafter referred to as heating cylinder) of a conventional injection molding machine. FIG. 2 shows a partial sectional view of a heating cylinder of a conventional injection molding machine. In the figure, 1 is a heating cylinder, 2 is a resin pellet input part of the heating cylinder 1, 3 is a heated part of the heating cylinder 1,
4 is the injection part of the heating cylinder 1, 5 is the mounting plate, 6
is the mounting portion of the heating cylinder 1 where the heating cylinder is mounted on the mounting plate 5.
以上のように構成された射出成形機の加熱シリ
ンダーについて、以下その動作について説明す
る。まず、加熱シリンダー１の樹脂ペレツト投入
部２より、樹脂ペレツトを加熱シリンダー１内へ
投入する。この樹脂ペレツトは、加熱シリンダー
１の被加熱部３内を通して加熱され溶融し、加熱
シリンダー１内の摺動可能なプランジヤー（図示
せず）により加圧されて加熱シリンダー１の射出
部４より射出されることとなる。 The operation of the heating cylinder of the injection molding machine configured as described above will be explained below. First, resin pellets are charged into the heating cylinder 1 from the resin pellet charging section 2 of the heating cylinder 1. The resin pellets are heated and melted through the heated part 3 of the heating cylinder 1, pressurized by a slidable plunger (not shown) in the heating cylinder 1, and injected from the injection part 4 of the heating cylinder 1. The Rukoto.
考案が解決しようとする問題点
しかしながら、第２図のような構成では、加熱
シリンダー１の被加熱部３の熱が加熱シリンダー
１の取付部６及び取付板５に奪われるので、被加
熱部３に温度勾配が生じて温度降下がおこり、被
加熱部３内の温度分布が不均一となる。また、被
加熱部３内の温度降下を防ぎ温度分布を均一にす
るために、被加熱部３に加熱ヒータをより多く設
け、温度降下が生じる部分の温度が下がらないよ
うに加熱すれば、熱伝導により樹脂ペレツト投入
部２の温度が高くなり、樹脂ペレツト投入部に樹
脂ペレツトが付着するという問題点を有してい
た。Problems to be Solved by the Invention However, in the configuration as shown in FIG. A temperature gradient occurs and the temperature drops, and the temperature distribution within the heated portion 3 becomes non-uniform. In addition, in order to prevent the temperature drop in the heated part 3 and make the temperature distribution uniform, more heaters are installed in the heated part 3, and if the temperature is heated so that the temperature does not drop in the part where the temperature drop occurs, the heat can be increased. There was a problem in that the temperature of the resin pellet input section 2 increased due to conduction, and the resin pellets adhered to the resin pellet input section.
問題点を解決するための手段
上記問題を解決するために、本考案の射出成形
機の加熱シリンダーは、加熱シリンダーの被加熱
部と加熱シリンダーの取付部との間に溝を備えた
ことを特徴とするものである。Means for Solving the Problems In order to solve the above problems, the heating cylinder of the injection molding machine of the present invention is characterized in that a groove is provided between the heated part of the heating cylinder and the mounting part of the heating cylinder. That is.
作 用
本考案は、上記した構成によつて、加熱シリン
ダーの被加熱部と加熱シリンダーの取付部及び取
付板との間に溝を設けることにより、この溝が断
熱効果をもたらし、被加熱部の熱が加熱シリンダ
ーの取付部及び取付板に奪われるのをおさえ、被
加熱部の温度分布を均一に保つことが出来る。ま
た、被加熱部から樹脂ペレツト投入部への熱伝導
をおさえて樹脂ペレツト投入部が高温になるのを
防ぎ、樹脂ペレツト投入部に樹脂ペレツトが付着
することを防止することが出来る。Effects The present invention has the above-described configuration, and by providing a groove between the heated part of the heating cylinder and the mounting part and mounting plate of the heating cylinder, this groove brings about a heat insulating effect, and the heated part is heated. It is possible to prevent heat from being taken away by the mounting part of the heating cylinder and the mounting plate, and to maintain a uniform temperature distribution in the heated part. Furthermore, heat conduction from the heated section to the resin pellet input section can be suppressed to prevent the resin pellet input section from becoming high temperature, thereby preventing resin pellets from adhering to the resin pellet input section.
実施例
以下本考案の一実施例の射出成形機の加熱シリ
ンダーについて、図面を参照しながら説明する。Embodiment A heating cylinder of an injection molding machine according to an embodiment of the present invention will be described below with reference to the drawings.
第１図は射出成形機の加熱シリンダーの部分断
面図を示すものである。第１図において、６は加
熱シリンダー、７は加熱シリンダー６の樹脂ペレ
ツト投入部、８は加熱シリンダー６の被加熱部、
９は加熱シリンダー６の射出部、１０は取付板、
１１は取付板１０に、加熱シリンダーを取付ける
ところの加熱シリンダー６の取付部、１２は被加
熱部８と、取付部１１及び取付板１０との間にあ
つてリング形をした溝である。 FIG. 1 shows a partial sectional view of a heating cylinder of an injection molding machine. In FIG. 1, 6 is a heating cylinder, 7 is a resin pellet input part of the heating cylinder 6, 8 is a heated part of the heating cylinder 6,
9 is an injection part of the heating cylinder 6, 10 is a mounting plate,
Reference numeral 11 designates a mounting portion of the heating cylinder 6 where the heating cylinder is mounted on the mounting plate 10, and 12 a ring-shaped groove located between the heated portion 8, the mounting portion 11, and the mounting plate 10.
以上のように構成された射出成形機の加熱シリ
ンダーについて、以下第１図を用いてその動作を
説明する。まず、加熱シリンダー６内の樹脂ペレ
ツト投入部７より樹脂ペレツトを、加熱シリンダ
ー６内へ投入する。この樹脂ペレツトは加熱シリ
ンダー６の被加熱部８内を通して加熱され溶融
し、加熱シリンダー１内の摺動可能なプランジヤ
ー（図示せず）により加圧されて加熱シリンダー
６の射出部９より射出されることとなる。 The operation of the heating cylinder of the injection molding machine constructed as described above will be explained below with reference to FIG. First, resin pellets are charged into the heating cylinder 6 from the resin pellet charging section 7 inside the heating cylinder 6. The resin pellets are heated and melted through the heated part 8 of the heating cylinder 6, and are pressurized by a slidable plunger (not shown) in the heating cylinder 1 and injected from the injection part 9 of the heating cylinder 6. It happens.
以上のように本実施例によれば、加熱シリンダ
ー６の被加熱部８と加熱シリンダー６の取付部１
１及び取付板１０との間に、リング形をした溝を
設けることにより、この溝が断熱効果をもたらす
ので、被加熱部８の熱が加熱シリンダーの取付部
１１及び取付板１０に奪われるのをおさえ、被加
熱部８の温度分布を均一に保つことが出来る。ま
た被加熱部８から樹脂ペレツト投入部７への熱伝
導をおさえて、樹脂ペレツト投入部７が高温にな
るのを防ぎ樹脂ペレツト投入部７に樹脂ペレツト
が付着するのを防止することが出来る。 As described above, according to this embodiment, the heated part 8 of the heating cylinder 6 and the mounting part 1 of the heating cylinder 6
By providing a ring-shaped groove between the heating cylinder 1 and the mounting plate 10, this groove provides a heat insulating effect, so that the heat of the heated part 8 is not transferred to the heating cylinder mounting part 11 and the mounting plate 10. This makes it possible to keep the temperature distribution of the heated portion 8 uniform. Furthermore, heat conduction from the heated section 8 to the resin pellet input section 7 can be suppressed to prevent the resin pellet input section 7 from becoming high temperature and to prevent resin pellets from adhering to the resin pellet input section 7.
考案の効果
以上のように本考案は、加熱シリンダーの被加
熱部と加熱シリンダーの取付部及び取付板との間
に溝を設けることにより、この溝が断熱効果をも
たらすので、被加熱部の熱が加熱シリンダーの取
付部及び取付板に奪われるのをおさえ、被加熱部
の温度分布を均一に保つことが出来る。また被加
熱部から樹脂ペレツト投入部への熱伝導をおさえ
て、樹脂ペレツト投入部が高温になるのを防ぎ、
樹脂ペレツト投入部に樹脂ペレツトが付着するの
を防止することが出来る。Effects of the invention As described above, the present invention provides a groove between the heated part of the heating cylinder and the mounting part and mounting plate of the heating cylinder, and this groove has a heat insulating effect. It is possible to prevent the heat from being taken away by the mounting part of the heating cylinder and the mounting plate, and to maintain a uniform temperature distribution in the heated part. It also suppresses heat conduction from the heated part to the resin pellet input part to prevent the resin pellet input part from becoming high temperature.
It is possible to prevent resin pellets from adhering to the resin pellet input section.
第１図は本考案の一実施例における射出成形機
の加熱シリンダーの一部断面の正面図、第２図は
従来の射出成形機の加熱シリンダーの一部断面の
正面図である。
６……加熱シリンダー、１１……取付部、１２
……溝。
FIG. 1 is a partially sectional front view of a heating cylinder of an injection molding machine according to an embodiment of the present invention, and FIG. 2 is a partially sectional front view of a heating cylinder of a conventional injection molding machine. 6...Heating cylinder, 11...Mounting part, 12
……groove.
Claims (1)
樹脂を射出する射出成形機の加熱シリンダーに
おいて、射出成形機本体の取付板に加熱シリン
ダーを取付ける加熱シリンダーの取付部と加熱
シリンダーの被加熱部との間に溝を設け、前記
加熱シリンダーの取付部の外径が前記加熱シリ
ンダーの外径より大きくなるよう構成されたこ
とを特徴とする射出成形機の加熱シリンダー。 (2) 溝の形状をリング形とした実用新案登録請求
の範囲第１項記載の射出成形機の加熱シリンダ
ー。[Scope of Claim for Utility Model Registration] (1) In the heating cylinder of an injection molding machine in which resin is charged from the rear and molten resin is injected from the front, the heating cylinder is attached to the mounting plate of the injection molding machine body. Heating of an injection molding machine, characterized in that a groove is provided between a mounting part and a heated part of a heating cylinder, and the outer diameter of the mounting part of the heating cylinder is larger than the outer diameter of the heating cylinder. cylinder. (2) A heating cylinder for an injection molding machine according to claim 1, wherein the groove has a ring shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7558887U JPH0532274Y2 (en) | 1987-05-20 | 1987-05-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7558887U JPH0532274Y2 (en) | 1987-05-20 | 1987-05-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63184715U JPS63184715U (en) | 1988-11-28 |
| JPH0532274Y2 true JPH0532274Y2 (en) | 1993-08-18 |
Family
ID=30921872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7558887U Expired - Lifetime JPH0532274Y2 (en) | 1987-05-20 | 1987-05-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0532274Y2 (en) |
-
1987
- 1987-05-20 JP JP7558887U patent/JPH0532274Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63184715U (en) | 1988-11-28 |
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