JPH06344388A - Heater pot of hot runner type synthetic resin mold - Google Patents
Heater pot of hot runner type synthetic resin moldInfo
- Publication number
- JPH06344388A JPH06344388A JP16639493A JP16639493A JPH06344388A JP H06344388 A JPH06344388 A JP H06344388A JP 16639493 A JP16639493 A JP 16639493A JP 16639493 A JP16639493 A JP 16639493A JP H06344388 A JPH06344388 A JP H06344388A
- Authority
- JP
- Japan
- Prior art keywords
- guide
- pot
- heater
- lid
- resin
- 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
- 229920003002 synthetic resin Polymers 0.000 title claims description 13
- 239000000057 synthetic resin Substances 0.000 title claims description 13
- 229920005989 resin Polymers 0.000 claims abstract description 31
- 239000011347 resin Substances 0.000 claims abstract description 31
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 abstract description 7
- 230000037431 insertion Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000006850 spacer group Chemical group 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
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
-
- 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
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
- B29C2045/2889—Sealing guide bushings therefor
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】この発明は、合成樹脂のホットラ
ンナー式射出成形金型に組込むヒーターポットに関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heater pot incorporated in a synthetic resin hot runner type injection molding die.
【0002】[0002]
【従来の技術】近年、合成樹脂製品の成形手段として、
ランナーの先に溶融樹脂の加熱供給用ヒーターポット
(ヒーターキヤストとも称される)を連続し、図5の如
くランナーRの先にヒーターポットAを設け、該ヒータ
ーポットAよりキャビティCに溶融樹脂を直接充填する
ホットランナー式金型(バルブゲート式とも称する)も
使用されるに至っている。このホットランナー式金型は
肉厚が非常に薄い合成樹脂製品の成形や、ゲート位置に
制限のある合成樹脂製品の成形に適している。(例えば
特開平2-24110 号公報)2. Description of the Related Art In recent years, as means for molding synthetic resin products,
A heater pot for heating and supplying molten resin (also referred to as a heater cast) is continuously provided at the tip of the runner, and a heater pot A is provided at the tip of the runner R as shown in FIG. Hot runner type molds (also called valve gate type) for direct filling have been used. This hot runner type mold is suitable for molding synthetic resin products with an extremely thin wall and for molding synthetic resin products with limited gate positions. (For example, Japanese Patent Laid-Open No. 2-24110)
【0003】ヒーターポットは図6の如く、中心部に樹
脂路Jを穿設するポット本体Bと、ポット本体Bの樹脂
路Jに挿入するバルブピンV、バルブピンVを樹脂路J
の下部に設けたノズルNに向けて上下動するピストン
P、及びポット本体Bを加熱するヒーターHより構成さ
れ、ポット本体Bが更に樹脂路Jを穿設した胴体Gと、
胴体Gの上部外側に嵌合する鍔体F、樹脂路Jの上部に
嵌挿するピン案内体Eより構成され、溶融樹脂を加熱し
てキャビティCに直接充填する。As shown in FIG. 6, the heater pot has a pot body B having a resin passage J formed in the center thereof, a valve pin V inserted into the resin passage J of the pot body B, and a valve pin V having a resin passage J.
A body G which is composed of a piston P which moves up and down toward a nozzle N provided in the lower part of the pot, and a heater H which heats the pot body B, and the pot body B further has a resin passage J formed therein,
It is composed of a collar body F that fits outside the upper part of the body G, and a pin guide body E that fits in the upper part of the resin path J. The molten resin is heated to directly fill the cavity C.
【0004】ポット本体Bを構成する胴体Gは、上部に
外部より樹脂路Jに連通する誘導路Kを僅かに傾斜穿設
し、胴体Gの上部外側に嵌合する鍔体Fは、外径D1 を
本体胴部bの外径dより略3倍大径に形成し、該鍔体F
の上面より内周にランナーRと胴体Gの誘導路Kに連通
する誘導孔Lを屈曲穿設している。ピン案内体Eは、下
部に先細となる円錘部eを設け、中心部にピン挿通孔Q
を穿設している。The body G which constitutes the pot body B has a guide passage K which is communicated with the resin passage J from the outside at a slight inclination, and a collar body F which fits on the outer side of the upper portion of the body G has an outer diameter. D1 is formed to have a diameter approximately three times larger than the outer diameter d of the main body b, and the collar body F
A guide hole L communicating with the guide path K of the runner R and the body G is formed by bending from the upper surface to the inner circumference. The pin guide body E is provided with a tapered conical portion e at the lower portion, and a pin insertion hole Q is provided at the center thereof.
Has been drilled.
【0005】[0005]
【発明が解決しようとする課題】従来のヒーターポット
は、ポット本体の上部に樹脂路と連通する傾斜誘導路を
設け、本体の上部外側に鍔体を嵌合し、該鍔体にランナ
ーと誘導路に連通する誘導孔を穿設するものであるか
ら、誘導孔の穿設に高度の熟練を要する問題点がある
し、誘導路と誘導孔の間に食違いを生じやすい問題点が
あると共に、鍔体の嵌合によりポット本体の外径が大き
くなり、ヒーターポットの配置間隔を広くしなければな
らない問題点もあった。A conventional heater pot is provided with an inclined guide passage communicating with a resin passage at an upper portion of a pot body, a collar body is fitted to an outer side of an upper portion of the body, and the collar body is guided with a runner. Since the guide hole that communicates with the road is formed, there is a problem that a high degree of skill is required for forming the guide hole, and there is a problem that a misalignment easily occurs between the guide path and the guide hole. There is also a problem that the outer diameter of the pot body is increased due to the fitting of the collar body, and the heater pot arrangement interval must be widened.
【0006】ピン案内体の下部が誘導路の傾斜に合わせ
て先細の円錘部に形成されているため、円錘部の基部ま
で溶融樹脂が侵入し、円錘部の基部まで残留固形層が着
設する。その結果、この残留固形層を取除く場合、取除
きが困難で高度の熟練を要する問題点もあった。本発明
は、従来技術の有するこのような問題点に鑑みてなされ
たものであり、その目的とする所は、残留固化層の取除
きが容易で、しかも小間隔に配置し得るようにしたヒー
ターポットを提供することにある。Since the lower portion of the pin guide body is formed in a tapered conical portion in accordance with the inclination of the guide path, the molten resin penetrates to the base portion of the conical portion, and the residual solid layer remains at the base portion of the conical portion. Install. As a result, when removing this residual solid layer, there is a problem that removal is difficult and requires a high degree of skill. The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to easily remove the residual solidified layer and to arrange the heater at a small interval. To serve the pot.
【0007】[0007]
【課題を解決するための手段】上記目的を達成するため
に、本発明のホットランナー式合成樹脂金型のヒーター
ポットは、キャビティに溶融樹脂を直接圧送するポット
本体を、中心部に樹脂路を設けた胴体と、胴体の上に取
付ける蓋体より構成し、胴体の上部に樹脂路と連続する
誘導路を設け、蓋体円板部の中心にバルブピンの案内部
を設け、該案内部の先部を胴体の誘導路に沿った傾斜面
に形成し、傾斜面に誘導路と連通する誘導溝を穿設する
一方、蓋体の外周部にランナーと誘導路に連続した誘導
孔を穿設するものである。In order to achieve the above object, the heater pot of the hot runner type synthetic resin mold of the present invention comprises a pot body for directly feeding a molten resin into a cavity, and a resin passage in the center. It is composed of the body provided and a lid mounted on the body, a guide path continuous with the resin path is provided at the upper part of the body, and a valve pin guide part is provided at the center of the cover disk part, and the tip of the guide part is provided. Part is formed on an inclined surface along the guideway of the body, and a guide groove communicating with the guideway is formed on the sloped surface, and a guide hole continuous with the runner and the guideway is formed on the outer periphery of the lid. It is a thing.
【0008】[0008]
【実施例】先ず射出成形における固定金型の構造を図1
に基づき説明すると、固定金型20は少なくとも第1プレ
ート21と第2プレート22、及び取付板23より構成され、
スプールSに連続してランナーRを穿設し、該ランナー
Rの先に本発明のヒーターポット1を取付け、第1プレ
ート21と可動金型(図示せず)の接合部にキャビティC
を形成し、ヒーターポット1よりキャビティCに溶融樹
脂を直接圧送するものである。EXAMPLE First, FIG. 1 shows the structure of a fixed mold in injection molding.
Based on the description, the fixed mold 20 is composed of at least a first plate 21, a second plate 22, and a mounting plate 23,
A runner R is continuously bored on the spool S, the heater pot 1 of the present invention is attached to the tip of the runner R, and a cavity C is provided at a joint between the first plate 21 and a movable mold (not shown).
And the molten resin is directly fed from the heater pot 1 to the cavity C.
【0009】次に本発明によるヒーターポットの構造を
図2乃至図4に基づき説明すれば、ヒーターポット1は
樹脂路4を中心部に穿設したポット本体2と、該本体2
に挿入するバルブピン9、バルブピン9を上下動するピ
ストンP、及びポット本体2を加熱するヒーターHより
構成され、ポット本体2を樹脂路4の下部にノズル14を
設けた胴体3と、胴体3の上に取付ける蓋体6より構成
するものである。Next, the structure of the heater pot according to the present invention will be described with reference to FIGS. 2 to 4. The heater pot 1 has a pot body 2 having a resin passage 4 at its center, and the body 2.
Body 3 having a valve pin 9 to be inserted into the valve body, a piston P for moving the valve pin 9 up and down, and a heater H for heating the pot body 2. It is composed of a lid 6 mounted on the top.
【0010】ポット本体2を構成する胴体3は、筒状胴
部3aの上部に、胴部外径dより略2倍程度大きい鍔部3b
を設け、胴体3の中心部に上部より下部に向けて順次小
径となる樹脂路4を穿設し、該樹脂路4の下端部にノズ
ル14を設け、鍔部3bに胴体3の上端より樹脂路4に向け
て下降傾斜する傾斜角θの誘導路5を穿設し、胴部3aの
外周部にヒーター挿入穴12を穿設するもので、誘導路5
の傾斜角θを小さくするほど小形化し得るが、70〜80度
が望ましい。The body 3 forming the pot body 2 has a collar portion 3b, which is approximately twice as large as the outer diameter d of the body portion, on the upper portion of the cylindrical body portion 3a.
A resin passage 4 is formed in the center of the body 3 from the top to the bottom, and the nozzle 14 is provided at the lower end of the resin passage 4, and the flange 3b is provided with resin from the upper end of the body 3. A guide path 5 having an inclination angle θ that is inclined downward toward the path 4 is provided, and a heater insertion hole 12 is provided in the outer peripheral portion of the body 3a.
The smaller the inclination angle θ is, the smaller the size becomes, but 70 to 80 degrees is desirable.
【0011】蓋体6は図3の如く、円板部6aの中心にバ
ルブピン9の案内部7を設け、該案内部7の先部を胴体
3の誘導路5に沿った傾斜面7aに形成し、該傾斜面7aに
誘導路5と連通し樹脂路4と交差する誘導溝17を設け、
円板部6aの外周にランナーRと胴体誘導路5に連続する
誘導孔8を穿設するもので、円板部6aを胴体3の鍔部外
径D2 と同等の大きさに形成し、誘導孔8の穿設位置と
反対側の円板部6a外周部に切欠16を形成するものであ
る。As shown in FIG. 3, the lid 6 is provided with a guide portion 7 for the valve pin 9 at the center of the disc portion 6a, and the tip of the guide portion 7 is formed on the inclined surface 7a along the guide path 5 of the body 3. Then, a guide groove 17 communicating with the guide path 5 and intersecting with the resin path 4 is provided on the inclined surface 7a,
A guide hole 8 continuous with the runner R and the body guiding path 5 is formed on the outer periphery of the disc portion 6a. The disc portion 6a is formed to have a size equal to the outer diameter D2 of the collar portion of the body 3 to guide the body. A notch 16 is formed in the outer peripheral portion of the disk portion 6a opposite to the position where the hole 8 is formed.
【0012】図中、15は固定金型20の入口側に組込むス
プールブッシュ、18は第2プレート22とマニホルド19に
跨がって嵌挿するセンターピン、25は第1プレート21と
第2プレート22に跨がって嵌挿する補助ガイドピン、26
は位置決めブロック、27は冷却水孔、28はマニホルド19
を固定するセットボルト、29は第2プレート22と取付板
23の間に介在するスペーサーブロックである。In the figure, 15 is a spool bush assembled on the inlet side of the fixed mold 20, 18 is a center pin fitted across the second plate 22 and the manifold 19, and 25 is a first plate 21 and a second plate. Auxiliary guide pin that fits over 22 and 26
Is a positioning block, 27 is a cooling water hole, 28 is a manifold 19
Set bolts for fixing, 29 is second plate 22 and mounting plate
It is a spacer block interposed between 23.
【0013】本発明のヒーターポットは上記構造である
から、例えば胴体鍔部3bの上面より樹脂路4に向けて傾
斜穿設する誘導路5の傾斜角θと、蓋体案内部7の傾斜
面7aを樹脂路4に対し夫々75度に設け、傾斜面7aに誘導
路5と連通する誘導溝17を穿設し、且つ蓋体6の円板部
6aに設ける誘導孔8を垂直に穿設しておく。更に胴体胴
部3aに設けるヒーター挿入穴12を、胴部3aの外面より内
部に深く食込むように設けておく。Since the heater pot of the present invention has the above-mentioned structure, for example, the inclination angle θ of the guide path 5 inclined from the upper surface of the body flange portion 3b toward the resin path 4 and the inclined surface of the lid guide portion 7 are provided. 7a are provided at 75 degrees with respect to the resin path 4, guide grooves 17 communicating with the guide path 5 are bored in the inclined surface 7a, and the disc portion of the lid body 6 is formed.
The guide hole 8 provided in 6a is vertically formed. Further, the heater insertion hole 12 provided in the body portion 3a is provided so as to penetrate deeper inside the outer surface of the body portion 3a.
【0014】本発明のヒーターポット1を組立る場合、
例えば蓋体6の案内部7にバルブピン9を挿入し、該バ
ルブピン9の先部から胴体3の樹脂路4に挿入せしめ、
胴体3の上に蓋体6が重なるまで挿入した後、蓋体6を
回し、蓋体6の誘導孔8と胴体3の誘導路5を完全に一
致させ、蓋体6を胴体3に固定して組立構成すれば、鍔
部外径D2 とポット本体高さtを、従来ヒーターポット
Aの本体外径D1 と本体高さTの略2/3に夫々形成す
ることができる。When assembling the heater pot 1 of the present invention,
For example, the valve pin 9 is inserted into the guide portion 7 of the lid body 6, and the tip of the valve pin 9 is inserted into the resin passage 4 of the body 3,
After inserting the lid 6 onto the body 3 until it overlaps, the lid 6 is rotated, the guide hole 8 of the lid 6 and the guide path 5 of the body 3 are completely aligned, and the lid 6 is fixed to the body 3. By assembling and constructing, the flange outer diameter D2 and the pot body height t can be formed to approximately 2/3 of the body outer diameter D1 and the body height T of the conventional heater pot A, respectively.
【0015】本発明によるヒーターポットを固定金型20
に組込み、従来と同様に合成樹脂製品を成形すると、成
形量の増加に伴い図4(B)の如く蓋体案内部7の傾斜
面7aと樹脂路4の外周に沿って残留固化層mが付着す
る。ヒーターポット1の誘導路5に付着する残留固化層
mを取除く場合、先ずヒーターポット1よりバルブピン
9を抜取り、ポット本体2を胴体3と蓋体6に分離すれ
ば、案内部7の傾斜面7aと樹脂路4に付着していた残留
固化層mを簡単に取除くことができる。The heater pot according to the present invention has a fixed mold 20.
As shown in FIG. 4 (B), when a synthetic resin product is molded in the same manner as in the prior art and a synthetic resin product is molded, a residual solidified layer m is formed along the inclined surface 7a of the lid guide portion 7 and the outer periphery of the resin passage 4 as shown in FIG. 4 (B). Adhere to. When removing the residual solidified layer m adhering to the guide path 5 of the heater pot 1, first, the valve pin 9 is pulled out from the heater pot 1, and the pot body 2 is separated into the body 3 and the lid body 6. The residual solidified layer m adhered to 7a and the resin passage 4 can be easily removed.
【0016】尚、本発明によるヒーターポットは上記実
施例に限定されるものではなく、例えばバルブピン9の
先部に先細の弁部9aを設け、蓋体円板部6aの外周部に設
ける切欠16を、誘導孔8の穿設側に設けることも可能で
ある。またポット本体2を構成する胴体3と蓋体6の形
状構造、及び組立て手段等は、本発明の要旨に反しない
限り適宜変更可能である。The heater pot according to the present invention is not limited to the above-mentioned embodiment. For example, the tapered valve portion 9a is provided at the tip of the valve pin 9 and the notch 16 is provided at the outer peripheral portion of the lid disc portion 6a. Can be provided on the drilling side of the guide hole 8. Further, the shape and structure of the body 3 and the lid 6 forming the pot body 2, the assembling means, and the like can be appropriately changed without departing from the spirit of the present invention.
【0017】[0017]
【発明の効果】本発明のヒーターポットは、上記構造で
あるから以下に記載されるような効果を奏する。ポット
本体を胴体と、胴体の上に取付ける蓋体より構成し、蓋
体にピン案内部を一体に設けることにより、誘導路や誘
導孔等の穿設が著しく簡単容易になると共に、誘導路と
誘導孔の食違いも生じなくなる。しかもポット本体の外
径と本体高さを略30%程度小型化し得るため、ヒーター
ポットを小間隔に配置し、精密な合成樹脂製品を形成し
得る。Since the heater pot of the present invention has the above structure, it has the following effects. By constructing the pot main body from the body and the lid mounted on the body, and by integrally providing the pin guide portion on the lid, it is possible to remarkably easily facilitate the formation of the guideway, the guide hole, etc. Misalignment of the guide holes does not occur. Moreover, since the outer diameter of the pot body and the height of the pot body can be reduced by about 30%, the heater pots can be arranged at small intervals to form a precise synthetic resin product.
【0018】蓋体案内部の先部を胴体の誘導路に沿った
傾斜面に形成し、該傾斜面に誘導路と連通する誘導溝を
穿設するものであるから、例えポット本体内に残留固化
層が付着しても、ポット本体よりバルブピンを先に抜き
取り、ポット本体を胴体と蓋体に分離すれば、残留固化
層の取除きが著しく簡略になる。特に本発明のヒーター
ポットは、同一合成樹脂製品の多色生産に顕著な効果を
奏するものである。Since the tip of the lid guide portion is formed on the inclined surface along the guide path of the body, and the guide groove communicating with the guide path is bored on the inclined surface, it remains in the pot body, for example. Even if the solidified layer adheres, removing the valve pin from the pot body first and separating the pot body into the body and the lid makes the removal of the residual solidified layer extremely simple. In particular, the heater pot of the present invention exerts a remarkable effect in multicolor production of the same synthetic resin product.
【図1】本発明によるヒーターポットの取付例を示す固
定金型の断面図である。FIG. 1 is a sectional view of a fixed mold showing an example of mounting a heater pot according to the present invention.
【図2】ヒーターポット取付部の要部構造例を示す断面
図である。FIG. 2 is a cross-sectional view showing a structural example of a main part of a heater pot mounting portion.
【図3】の(A)(B)蓋体の平面図とそのX−Y断面
図である。3A and 3B are a plan view and a sectional view taken along line XY of the lid body of FIGS.
【図4】の(A)(B)胴体の断面図と残留固化層の着
設例を示す要部断面図である。4A and 4B are a cross-sectional view of the body of FIGS. 4A and 4B and a cross-sectional view of an essential part showing an example of attaching a residual solidified layer.
【図5】従来ホットランナー式合成樹脂金型の要部断面
図である。FIG. 5 is a sectional view of a main part of a conventional hot runner type synthetic resin mold.
【図6】従来ヒーターポットにおける残留固化層の着設
例を示す要部断面図である。FIG. 6 is a sectional view of an essential part showing an example of applying a residual solidified layer in a conventional heater pot.
1,A ヒーターポット 2,B ポット本体 3,G 胴体、3a 胴体胴部、3b 胴体鍔部 4,J 樹脂路 5,K 誘導路 6 蓋体、6a 円板部 7 案内部、7a 案内部傾斜面 8,L 誘導孔 9,V バルブピン 12 ヒーター挿入穴、14,N ノズル、16 切欠、17
誘導溝 20 固定金型、21 第1プレート、22 第2プレート F 鍔体、E 案内体、H ヒーター、P ピストン C キャビティ、R ランナー、S スプール D1 ポット本体の外径、D2 胴体鍔部の外径、d
胴体胴部外径 T,t ポット本体高さ、m 残留固化層 θ 誘導路の傾斜角1, A heater pot 2, B pot body 3, G body, 3a body body part, 3b body flange part 4, J resin path 5, K guide path 6 lid body, 6a disk part 7 guide part, 7a guide part inclination Surface 8, L guide hole 9, V valve pin 12 Heater insertion hole, 14, N nozzle, 16 notch, 17
Guide groove 20 Fixed mold, 21 1st plate, 22 2nd plate F collar body, E guide body, H heater, P piston C cavity, R runner, S spool D1 pot body outer diameter, D2 body collar outside Diameter, d
Body outer diameter T, t Pot body height, m Residual solidified layer θ Inclination angle of guideway
Claims (2)
ト本体(2)を、中心部に樹脂路(4)を設けた胴体
(3)と、胴体の上に取付ける蓋体(6)より構成し、
胴体に樹脂路と連続する誘導路(5)を設け、蓋体にラ
ンナー(R)と誘導路に連続する誘導孔(8)を設けた
ことを特徴とするホットランナー式合成樹脂金型のヒー
ターポット。1. A pot body (2) for feeding a molten resin to a cavity (C), which comprises a body (3) having a resin passage (4) in the center and a lid (6) mounted on the body. Then
Heater of hot runner type synthetic resin mold characterized in that the body is provided with a guide path (5) continuous with the resin path, and the lid is provided with a runner (R) and a guide hole (8) continuous with the guide path. pot.
の中心部に、バルブピン(9)の案内部(7)を設け、
該案内部の先部を胴体(3)の誘導路(5)に沿った傾
斜面(7a)に形成し、傾斜面に誘導路と連通する誘導溝(1
7)を穿設したことを特徴とするホットランナー式合成樹
脂金型のヒーターポット。2. A lid (6) constituting the pot body (2)
In the central part of the, the guide part (7) of the valve pin (9) is provided,
A guide groove (1) is formed on the inclined surface (7a) of the body (3) along the guideway (5) of the body, and the guideway communicates with the guideway.
Heater pot of hot runner type synthetic resin mold characterized by having 7) drilled.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16639493A JP3383362B2 (en) | 1993-06-10 | 1993-06-10 | Hot runner type synthetic resin mold heater pot |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16639493A JP3383362B2 (en) | 1993-06-10 | 1993-06-10 | Hot runner type synthetic resin mold heater pot |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH06344388A true JPH06344388A (en) | 1994-12-20 |
JP3383362B2 JP3383362B2 (en) | 2003-03-04 |
Family
ID=15830609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16639493A Expired - Fee Related JP3383362B2 (en) | 1993-06-10 | 1993-06-10 | Hot runner type synthetic resin mold heater pot |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3383362B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7753676B2 (en) | 2007-06-08 | 2010-07-13 | Mold-Masters (2007) Limited | Multi-piece valve pin bushing |
-
1993
- 1993-06-10 JP JP16639493A patent/JP3383362B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7753676B2 (en) | 2007-06-08 | 2010-07-13 | Mold-Masters (2007) Limited | Multi-piece valve pin bushing |
Also Published As
Publication number | Publication date |
---|---|
JP3383362B2 (en) | 2003-03-04 |
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