JPH02128818A - Fitting structure of heating cylinder head and its detaching method, in injection molding machine - Google Patents
Fitting structure of heating cylinder head and its detaching method, in injection molding machineInfo
- Publication number
- JPH02128818A JPH02128818A JP28308988A JP28308988A JPH02128818A JP H02128818 A JPH02128818 A JP H02128818A JP 28308988 A JP28308988 A JP 28308988A JP 28308988 A JP28308988 A JP 28308988A JP H02128818 A JPH02128818 A JP H02128818A
- Authority
- JP
- Japan
- Prior art keywords
- heating cylinder
- cylinder head
- nut
- molding machine
- injection molding
- 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
- 238000010438 heat treatment Methods 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 6
- 238000001746 injection moulding Methods 0.000 title claims description 12
- 238000000465 moulding Methods 0.000 claims abstract description 14
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000004904 shortening Methods 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/20—Injection nozzles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
この発明は、射出成形機における加熱筒に装着されるノ
ズルを保持する加熱筒ヘッドの取付構造並びにその着脱
方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a mounting structure for a heating cylinder head that holds a nozzle mounted on a heating cylinder in an injection molding machine, and a method for attaching and removing the same.
［従来の技術］
従来、この種の射出成形機においては、第６図及び第７
図に示すように、成形機本体ａの射出装置すを構成する
スクリューＣが内臓された加熱筒ｄの先端部に、ノズル
ｅが螺合状態で装着保持される加熱筒ヘッドｆを取付け
る場合、少なくとも１０本前後のボルトｇ・・・により
着脱可能に締着しているのが現状である。[Prior Art] Conventionally, in this type of injection molding machine, the
As shown in the figure, when attaching a heating cylinder head f to which a nozzle e is attached and held in a screwed state to the tip of a heating cylinder d that has a built-in screw C that constitutes an injection device of a molding machine main body a, At present, it is removably fastened with at least about 10 bolts g.
［発明が解決しようとする課題］
しかしながら、このような従来の射出成形機における加
熱筒ｔ、ラドの取付構造では、スクリューＣの交換また
は清掃作業や、材料替え、あるいは。[Problems to be Solved by the Invention] However, in such a conventional injection molding machine, the mounting structure of the heating tube T and the rad requires replacing or cleaning the screw C, changing the material, or the like.
色替えなどを行なう際、加熱筒ヘッドｆの着脱作業に多
大な時間を要し、特に、最近のように製品が多品種化し
、かつ小ロツト生産になると、１日に何回も材料替えや
色替えを行なう必要があることから、生産効率を図る上
で大きな支障になるといった開運があった。When changing colors, etc., it takes a lot of time to attach and detach the heating cylinder head f, and especially with the recent diversification of products and small lot production, it is necessary to change materials many times a day. The need to change colors was a major hindrance to increasing production efficiency.
［発明の目的］
この発明は、上記の事情のもとになされたもので、その
目的とするところは、加熱筒ヘッドの着脱作業が短時間
で容易に行なうことができるようにした射出成形機にお
ける加熱筒ヘッドの取付構造並びにその着脱方法を提供
することにある。[Object of the Invention] This invention was made under the above circumstances, and its object is to provide an injection molding machine in which the work of attaching and detaching the heating cylinder head can be easily carried out in a short time. An object of the present invention is to provide a mounting structure for a heating cylinder head and a method for attaching and detaching the same.
［課題を解決するための手段］
上記した課題を解決するために、この発明は、成形機本
体の加熱筒の先端部にナツトを締着し、このナツトにノ
ズル装着用の加熱筒ヘッドをバヨネット結合状態で嵌入
して着脱可能に取付けるとと、もに、この加熱筒ヘッド
と前記加熱筒との間に廻り止め手段を設けてなる構成と
したもので、この場合、前記成形機本体の加熱筒の先端
部とナツトとの互いの螺合部を砲尾錠ネジ状に形成する
ことが好ましい。[Means for Solving the Problems] In order to solve the above-mentioned problems, the present invention provides a method in which a nut is fastened to the tip of a heating cylinder of a molding machine main body, and a heating cylinder head for attaching a nozzle is attached to the nut by a bayonet. When the heating cylinder head and the heating cylinder are fitted in a connected state and removably attached, a rotation preventing means is provided between the heating cylinder head and the heating cylinder, and in this case, the heating of the molding machine body is prevented. It is preferable that the threaded portion between the tip of the cylinder and the nut be formed in the shape of a breech lock thread.
また、前記加熱筒ヘッドの着脱にあたっては、ナツトの
加熱筒への緩め状態で着脱可能にし、かつ前記ナツトの
締付けで前記加熱筒の先端面との間に挾持固定するよう
にし、さらに、ハンドル部材をナツトの先端面に取外し
自在に係着させて、締付または緩めを行なうように構成
することが好ましい。Further, when attaching and detaching the heating cylinder head, it is possible to attach and detach it by loosening a nut on the heating cylinder, and by tightening the nut, it is clamped and fixed between the tip surface of the heating cylinder, and further, the handle member It is preferable that the nut be removably engaged with the distal end surface of the nut to be tightened or loosened.
［作 用］
すなわち、この発明は、成形機本体の加熱筒の先端部に
螺合状態で互いに着脱可能に締着されるノズル装着用の
加熱筒ヘッドをナツトを介して取付けるとともに、この
ナツトの締付または緩めで加熱筒ヘッドを着脱するよう
にしてなるために、加熱筒ヘッドの着脱作業が短時間で
容易に行なえる。[Function] That is, in the present invention, a heating cylinder head for mounting a nozzle, which is screwed and removably fastened to the tip of a heating cylinder of a molding machine main body, is attached via a nut, and the heating cylinder head is attached to the tip of a heating cylinder of a molding machine main body via a nut. Since the heating cylinder head can be attached and detached by tightening or loosening, the operation of attaching and detaching the heating cylinder head can be easily carried out in a short time.
［実 施 例］
以下、この発明を第１図から第５図に示す各実施例を参
照しながら詳細に説明する。[Example] Hereinafter, the present invention will be described in detail with reference to each example shown in FIGS. 1 to 5.
第１図及び第２図に示すように、図中１はこの発明に係
る射出成形機における成形機本体である。As shown in FIGS. 1 and 2, reference numeral 1 in the figures indicates a molding machine body in an injection molding machine according to the present invention.
この成形機本体１は、射出装Ｍ２を構成するスクリュー
３が内臓された加熱筒４を備え、この加熱筒４の先端部
には、雄ネジ部５が形成されているとともに、この雄ネ
ジ部５には、ナツト６が締着されている。This molding machine main body 1 is equipped with a heating cylinder 4 in which a screw 3 constituting an injection device M2 is built-in, and a male threaded part 5 is formed at the tip of this heating cylinder 4, and this male threaded part A nut 6 is fastened to 5.
このナツト６は、前記雄ネジ部５と螺合する内径部の雌
ネジ部７が、円周方向に間欠的に形成された砲尾錠ネジ
状になっているとともに、このナツト６を介してノズル
８を螺合状態で装着保持する加熱筒ヘッド９が前記加熱
筒４の先端面４ａに着脱可能に取付けられるようになっ
ている。This nut 6 has a female threaded part 7 on the inner diameter part which is screwed with the male threaded part 5, and has a shape of a breech lock screw formed intermittently in the circumferential direction. A heating cylinder head 9, which holds the heating cylinder 8 in a screwed state, is detachably attached to the distal end surface 4a of the heating cylinder 4.
すなわち、前記加熱筒ヘッド９は、第３図に示すように
、その外周に係止片９１．９１を有する一Ｊ、この加熱
筒ヘッド９が嵌め合い係合する前記ナツト６の内周には
、第４図に示すように、係止溝６１が形成され、この係
止溝６１に前記係止片９１．９１を挿入し回動させるこ
とにより重合係止させて、これらを互いにバヨネット結
合させ、かつ、前記加熱筒ヘッド９に廻り止めピン９２
を設け、この廻り止めピン９２を前記加熱筒４の先端面
４ａに設けたピン穴４１に係合させることよリ、互いの
回転を防止してなる取付構造を有するものである。That is, as shown in FIG. 3, the heating cylinder head 9 has locking pieces 91, 91 on its outer periphery, and the inner periphery of the nut 6 with which the heating cylinder head 9 is fitted and engaged. As shown in FIG. 4, a locking groove 61 is formed, and by inserting and rotating the locking pieces 91 and 91 into this locking groove 61, the locking pieces 91 and 91 are overlapped and locked, and they are bayonet connected to each other. , and a rotation stopper pin 92 is attached to the heating cylinder head 9.
The mounting structure is such that mutual rotation is prevented by engaging the rotation stopper pin 92 with the pin hole 41 provided in the distal end surface 4a of the heating cylinder 4.
しかして、上記した構成によれば、前記加熱筒ヘッド９
の着脱にあたっては、ナツト６の加熱筒４への緩め状態
で着脱を行ない、かつ前記ナツト６の締付けで前記加熱
筒４の先端面４ａとの間に加熱筒ヘッド９が挾持固定さ
れるようになっているもので、このとき、前記ナツト９
を締付または緩める場合、締付工具として、例えば第５
図に示すようなハンドル部材１０を用い、このハンドル
部材１０に形成した一対のピン１１．１１をナツト６の
先端面に形成したビン穴６２．６２に取外し自在に係着
させることにより、締付または緩めが行なわれるもので
ある。According to the above-described configuration, the heating cylinder head 9
When attaching and removing the nut 6 to the heating cylinder 4, loosen the nut 6, and tighten the nut 6 so that the heating cylinder head 9 is clamped and fixed between the distal end surface 4a of the heating cylinder 4. At this time, the nut 9
When tightening or loosening, use a fifth tightening tool, for example.
A handle member 10 as shown in the figure is used, and a pair of pins 11.11 formed on the handle member 10 are removably engaged with a pin hole 62.62 formed on the tip end surface of the nut 6, thereby tightening the nut. Or loosening is performed.
［発明の効果コ
以上の説明から明らかなように、この発明によれば、成
形機本体の加熱筒の先端部にナツトを締着し、このナツ
トにノズル装着用の加熱筒ヘッドをバヨネット結合状態
で嵌入して着脱可能に取付けるとともに、この加熱筒ヘ
ッドと前記加熱筒との間に廻り止め手段を設けてなる構
成とするとともにこのナツトの締付または緩めで加熱筒
ヘッドを着脱するようにしてなるために、加熱筒ヘッド
の着脱作業が短時間で容易に行なうことができ、これに
よって、生産効率の向上を図ることができるというすぐ
れた効果を奏するものである。[Effects of the Invention] As is clear from the above description, according to the present invention, a nut is fastened to the tip of the heating cylinder of the molding machine body, and the heating cylinder head for mounting the nozzle is bayonet connected to this nut. The heating cylinder head is fitted in and removably mounted, and a rotation preventing means is provided between the heating cylinder head and the heating cylinder, and the heating cylinder head is attached or detached by tightening or loosening this nut. Therefore, the work of attaching and detaching the heating cylinder head can be easily done in a short time, and this has the excellent effect of improving production efficiency.
第１図はこの発明に係る射出成形機における加熱筒ヘッ
ドの取付構造を示す概略的縦断側面図、第２図は同じく
成形機本体の加熱筒への加熱筒へ、ラドの取付状庵を示
す分解断面図、第３図は第２図Ａ−Ａ線における加熱筒
ヘッドの断面図、
第４図は同じく第２図Ｂ−Ｂ線におけるナツトの断面図
、
第５図は
第６図は従来の射出成形機における加熱筒ヘッドの取付
構造を示す概略的縦断側面図、第７図は同じく第６図Ｃ
−Ｃ線における断面図である。
第１図
１ ・ ・ ・
２ ・ ・ ・
４ ・ ・ ・
４１ ・ ・
５ ・ ・ ・
６ ・ ・ ・
６２、６
７ ・ ・ ・
８ ・ ・ ・
９ ・ ・ ・
９１、９
９２ ・ ・
１０ ・ ・
１１、１
成形機本体、
射出装置、
加熱筒、
・ピン穴、
雄ネジ部、
ナツト、
２・・・ピン穴、
雌ネジ部、
ノズル、
加熱筒ヘッド、
１・・・係止片、
・廻り止めピン、
・ハンドル部材、
１・・・ピン。
ａ
・先端面、
・係止溝、
第２図
第６図
第７図
らFig. 1 is a schematic longitudinal sectional side view showing the mounting structure of the heating cylinder head in the injection molding machine according to the present invention, and Fig. 2 similarly shows the mounting structure of the heating cylinder to the heating cylinder of the molding machine main body. 3 is a sectional view of the heating cylinder head taken along the line A-A in FIG. 2, FIG. 4 is a sectional view of the nut taken along the line B-B in FIG. A schematic vertical sectional side view showing the mounting structure of the heating cylinder head in the injection molding machine, FIG. 7 is also similar to FIG. 6C.
- It is a sectional view taken along the C line. Figure 1 11, 1 Molding machine body, injection device, heating tube, ・Pin hole, male thread, nut, 2... Pin hole, female thread, nozzle, heating tube head, 1... Locking piece, ・Surroundings Retaining pin, ・Handle member, 1...pin. a ・Tip surface, ・Latching groove, Figure 2, Figure 6, Figure 7, etc.
Claims (4)
このナットにノズル装着用の加熱筒ヘッドをバヨネット
結合状態で嵌入して着脱可能に取付けるとともに、この
加熱筒ヘッドと前記加熱筒との間に廻り止め手段を設け
たことを特徴とする射出成形機における加熱筒ヘッドの
取付構造。(1) Tighten the nut on the tip of the heating cylinder of the molding machine body,
An injection molding machine characterized in that a heating cylinder head for mounting a nozzle is fitted into the nut in a bayonet-connected state and detachably attached, and a rotation preventing means is provided between the heating cylinder head and the heating cylinder. Mounting structure of heating cylinder head.
螺合部を砲尾錠ネジ状に形成したことを特徴とする請求
項１記載の射出成形機における加熱筒ヘッドの取付構造
。(2) A mounting structure for a heating cylinder head in an injection molding machine according to claim 1, wherein the threaded portion between the tip of the heating cylinder of the molding machine main body and the nut is formed in the shape of a breech lock screw.
このナットにノズル装着用の加熱筒ヘッドをバヨネット
結合状態で嵌入して着脱可能に取付けるとともに、この
加熱筒ヘッドと前記加熱筒との間に廻り止め手段を設け
てなる構成を有し、前記ナットの加熱筒への緩め状態で
前記加熱筒ヘッドの着脱可能にし、かつ前記ナットの締
付けで前記加熱筒ヘッドを加熱筒の先端面との間に挾持
固定することを特徴とする射出成形機における加熱筒ヘ
ッドの着脱方法。(3) Tighten the nut to the tip of the heating cylinder of the molding machine body,
A heating cylinder head for mounting a nozzle is fitted into this nut in a bayonet-coupled state and detachably attached, and a rotation preventing means is provided between this heating cylinder head and the heating cylinder, and the nut Heating in an injection molding machine, characterized in that the heating cylinder head can be attached to and removed from the heating cylinder in a loosened state, and the heating cylinder head is clamped and fixed between the front end surface of the heating cylinder by tightening the nut. How to attach and detach the cylinder head.
部材を取外し自在に係着可能にしたことを特徴とする請
求項３記載の射出成形機における加熱筒ヘッドの着脱方
法。(4) The method for attaching and detaching a heating cylinder head in an injection molding machine according to claim 3, wherein a handle member for tightening or loosening is removably attached to the tip end surface of the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28308988A JPH02128818A (en) | 1988-11-09 | 1988-11-09 | Fitting structure of heating cylinder head and its detaching method, in injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28308988A JPH02128818A (en) | 1988-11-09 | 1988-11-09 | Fitting structure of heating cylinder head and its detaching method, in injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02128818A true JPH02128818A (en) | 1990-05-17 |
Family
ID=17661074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28308988A Pending JPH02128818A (en) | 1988-11-09 | 1988-11-09 | Fitting structure of heating cylinder head and its detaching method, in injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02128818A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06155537A (en) * | 1992-07-09 | 1994-06-03 | Karl Hehl | Plasticizing cylinder of injection molding machine for plastic material, such as synthetic resin |
| JPH0740121U (en) * | 1993-12-28 | 1995-07-18 | 住友重機械プラスチックマシナリー株式会社 | Injection device |
| CN105397978A (en) * | 2015-12-09 | 2016-03-16 | 荣昌精密机械(苏州)有限公司 | Spraying head structure convenient to disassemble on injection molding machine |
-
1988
- 1988-11-09 JP JP28308988A patent/JPH02128818A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06155537A (en) * | 1992-07-09 | 1994-06-03 | Karl Hehl | Plasticizing cylinder of injection molding machine for plastic material, such as synthetic resin |
| JPH0740121U (en) * | 1993-12-28 | 1995-07-18 | 住友重機械プラスチックマシナリー株式会社 | Injection device |
| CN105397978A (en) * | 2015-12-09 | 2016-03-16 | 荣昌精密机械(苏州)有限公司 | Spraying head structure convenient to disassemble on injection molding machine |
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