JPH0437524A - Mold clamping device of blow molder - Google Patents
Mold clamping device of blow molderInfo
- Publication number
- JPH0437524A JPH0437524A JP14151590A JP14151590A JPH0437524A JP H0437524 A JPH0437524 A JP H0437524A JP 14151590 A JP14151590 A JP 14151590A JP 14151590 A JP14151590 A JP 14151590A JP H0437524 A JPH0437524 A JP H0437524A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- wheels
- molds
- movable
- clamping device
- 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
- 238000000071 blow moulding Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 2
- 230000005484 gravity Effects 0.000 description 5
- 230000013011 mating Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は対向した両回動盤のガイドレールを有したブロ
ー成形機の型締装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a mold clamping device for a blow molding machine having guide rails for both rotating discs facing each other.
［従来の技術］
第５図ないし第７図は従来の型締装置を示し、第５図は
金型厚が薄い場合の型締装置の正面図、第６図は金型厚
が厚い場合の型締装置の正面図、第７図は第６図の■−
■矢視側面図を示す。[Prior Art] Figures 5 to 7 show conventional mold clamping devices, where Figure 5 is a front view of the mold clamping device when the mold thickness is thin, and Figure 6 is a front view of the mold clamping device when the mold thickness is thick. The front view of the mold clamping device, Figure 7 is the same as ■- in Figure 6.
■Shows a side view in the direction of arrows.
従来のタイパレス（雄金型１を装着した可動盤３と雌金
型２を装着した可動盤４の上下に並列するタイバに摺動
自在に装架されていない）方式の型締装置において、可
動盤３の反雄金型１側に油圧ラム６の先端を取付け、さ
らに、可動盤４の反動金型２側に油圧ラム７の先端が取
付けられている。両回動盤３，４の下部に４輪１組とな
った車輪９．１０がそれぞれ可動盤３，４の両側に回動
自在に配設され、これらの車輪９．１０は第７図に示す
ように型締装置２０の両側面下部の可動盤３．４の前進
・後退方向に配設された２条１組のガイドレール８を上
下から挟持している。上、下４輪１組となった車輪９．
１０のうち、それぞれ１輪は車輪の中心と車輪軸の中心
が同一軸上になるように固着しであるが、残り３輪は車
輪の中心と車軸軸中心が偏心している、いわゆる偏心軸
となっており、両回動盤３．４の平行度ある程度調整で
き、また、ガイドレール８．１５と車輪軸９．１０のク
リアランスがある程度調整できるようになっている。こ
うした構成を有しているため、油圧ラム６．７へ供給さ
れた圧油によって可動盤３．４を前進・後退させる場合
には、ガイドレール８，１５と車輪９，１０の間には少
しクリアランスが必要で、このクリアランスがない限り
車輪９．１０はガイドレール８．１５上をスムースに駆
動しない。すなわち、もし車輪９．１０の中心と車輪軸
の中心を同一軸上になるように全輪を固着してガイドレ
ール８，１５上を前後進させると、ガイドレール８．１
５と車輪９，１０間のクリアランスがほとんどないため
、このような状態で可動盤３，４にそれぞれ金型１，２
を装着すると、車輪９，１０の縦中心と金型１，２の重
心がずれ偏心しているため、可動盤３，４は金型１，２
の重量によって前進方向へ前傾しようとするモーメント
が作用することになる。In the mold clamping device of the conventional tie palace (the movable platen 3 on which the male die 1 is attached and the movable platen 4 on which the female die 2 is attached are not slidably mounted on the tie bars arranged in parallel above and below), the movable The tip of a hydraulic ram 6 is attached to the side of the plate 3 opposite to the male die 1, and furthermore, the tip of a hydraulic ram 7 is attached to the side of the reaction die 2 of the movable plate 4. A set of four wheels 9.10 is rotatably arranged on both sides of the movable plates 3, 4 at the bottom of both rotating plates 3, 4, and these wheels 9.10 are shown in FIG. As shown, a set of two guide rails 8 arranged in the forward and backward directions of the movable platen 3.4 at the lower part of both sides of the mold clamping device 20 are held between the upper and lower sides. 9. A set of four upper and lower wheels.
Of the 10 wheels, one wheel is fixed so that the center of the wheel and the center of the wheel axle are on the same axis, but the remaining three wheels have so-called eccentric shafts where the center of the wheel and the center of the axle are eccentric. The parallelism of both rotating discs 3.4 can be adjusted to a certain extent, and the clearance between the guide rail 8.15 and the wheel axle 9.10 can be adjusted to a certain extent. With this configuration, when moving the movable platen 3.4 forward or backward using the pressure oil supplied to the hydraulic ram 6.7, there is a slight gap between the guide rails 8, 15 and the wheels 9, 10. Clearance is required, and without this clearance the wheels 9.10 will not drive smoothly on the guide rail 8.15. That is, if all the wheels are fixed so that the center of the wheel 9.10 and the center of the wheel axle are on the same axis and are moved forward and backward on the guide rails 8 and 15, the guide rail 8.1
Since there is almost no clearance between the wheels 9 and 10, the molds 1 and 2 are placed on the movable plates 3 and 4, respectively, in this condition.
When the wheels 9 and 10 are installed, the vertical centers of the wheels 9 and 10 and the centers of gravity of the molds 1 and 2 are offset and eccentric, so the movable plates 3 and 4 are attached to the molds 1 and 2.
Due to the weight of the vehicle, a moment is applied that tends to tilt the vehicle forward in the forward direction.
このため、この可動盤３，４を前傾しようとするモーメ
ント作用によって、可動盤３．４の前進・後退時、車輪
９，１０はガイドレール８，１５に強く押し当てられた
まま回動することになり、車軸９，１０はガイドレール
８．１５上をスムースに回動しにく（、この状態を繰返
していると車輪９．１０とガイドレール８．１５は摺擦
し、最後には局部的な摩耗が生じることになる。Therefore, when the movable plates 3.4 move forward or backward, the wheels 9, 10 rotate while being strongly pressed against the guide rails 8, 15 due to the moment action that tends to tilt the movable plates 3, 4 forward. As a result, the axles 9 and 10 have difficulty rotating smoothly on the guide rails 8.15 (If this situation is repeated, the wheels 9.10 and the guide rails 8.15 will rub against each other, and eventually Localized wear will occur.
このような車輪９．１０とガイドレール８１５間の摺擦
を防止するために、前記した４輪のうち残り３輪を車軸
９，１０と車輪軸の両中心を偏心（４輪のうち１輪は車
輪９．１０と車輪軸の中心は同一軸となる）させた状態
に固着させ、油圧ラム６．７によって可動盤３，４を前
後進させると、車軸９，１０はガイドレール８．１５を
挟持しつつ、スムースに回動するものの、金型ｌ。In order to prevent such friction between the wheels 9 and 10 and the guide rails 815, the remaining three of the four wheels are mounted eccentrically (one of the four wheels is (the centers of the wheels 9.10 and the wheel axles are on the same axis), and when the movable plates 3, 4 are moved forward and backward by the hydraulic ram 6.7, the axles 9, 10 are aligned with the guide rails 8.15. Although it rotates smoothly while holding the mold l.
２を取付けた可動盤３．４は前傾しつつ型閉、型開が行
なわれることになる。特に両金型１，２の型閉時におい
て両全型１．２の平行度を出すのが難しく、型閉時は、
−度両金型が片当りした後、油圧ラム６．７の作動によ
って雄、雌両金型１゜２の平行嵌合が行なわれていた。The movable platen 3.4 to which 2 is attached is tilted forward to close and open the mold. In particular, when closing both molds 1 and 2, it is difficult to achieve parallelism between both molds 1 and 2, and when closing the molds,
- After the two molds came into partial contact, the male and female molds were fitted in parallel at a angle of 1°2 by the operation of the hydraulic ram 6.7.
［発明が解決しようとする課題］
こうした不都合な現象を防止するために、車輪とガイド
レール間のクリアランスを調整（車輪中心と車輪軸中心
の偏心量を調整）しようとすると、金型の重量によって
可動盤の前傾角度が異なるため、その都度車輪と車輪軸
の偏心量を調整しなければならず、そのための作業が煩
わしく、調整作業に多大な時間を費していた。[Problems to be Solved by the Invention] In order to prevent such inconvenient phenomena, when attempting to adjust the clearance between the wheel and the guide rail (adjusting the amount of eccentricity between the wheel center and the wheel axle center), the weight of the mold causes Since the forward inclination angle of the movable platen varies, the amount of eccentricity between the wheels and the wheel axle must be adjusted each time, which is cumbersome and requires a lot of time.
［課題を解決するための手段］
このような問題点を解決するために、本発明において、
型締装置の基板部上に対向して、雄金型と雌金型をそれ
ぞれ装置した可動盤を配するとともに、前記基板部に可
動盤の前後進方向に可動盤の走行用のガイドレールを配
し、可動盤下部に前記ガイドレール上を回動自在に車輪
を支軸して配したブロー成形機の型ｉｉＩ！装置におい
て、前記可動盤下部域の両側部に金型の取付方向に突設
した突部を設けるとともに、車輪を回転自在に配し、前
記基板上に平行に並べて配したガイドレール上で、雄金
型と雌金型の型閉時に前記突部が相互に衝合しない構成
とした。[Means for Solving the Problems] In order to solve these problems, in the present invention, a movable platen on which a male mold and a female mold are respectively installed is provided on the base plate of the mold clamping device, facing each other. At the same time, a guide rail for running the movable platen in the forward and backward movement direction of the movable platen is arranged on the base plate, and a wheel is disposed on the lower part of the movable platen so as to be rotatable on the guide rail. Machine type iii! In the device, protrusions protruding in the mold mounting direction are provided on both sides of the lower area of the movable plate, and wheels are rotatably arranged, and the male wheels are mounted on guide rails arranged parallel to each other on the substrate. The structure is such that the protrusions do not collide with each other when the mold and female mold are closed.
［作用コ
可動盤下部域の両側面部に、金型の取付方向に突設した
突部を設けているとともに、ここに車輪を配し、可動盤
の走行用ガイドレールを２条１組として配して、ここに
可動盤を型閉時に突部が衝合しないように載置した。こ
れによって、車輪間の縦中心軸と金型を装着した可動盤
の重心が近接し、型閉、型開時に可動盤に傾転モーメン
トが作用しないため、型閉時に雄、雌両金型の平行嵌合
がスムースに行なえる。[A protrusion is provided on both sides of the lower area of the movable platen that protrudes in the mounting direction of the mold, and wheels are arranged here, and guide rails for running the movable platen are arranged as a set of two rails. Then, the movable platen was placed here so that the protrusions would not collide when the mold was closed. As a result, the vertical center axis between the wheels and the center of gravity of the movable platen with the mold attached are close to each other, and no tilting moment is applied to the movable platen when the mold is closed or opened. Parallel fitting can be done smoothly.
［実施例］
第１図ないし第４図は本発明に係る型締装置の１実施例
を示し、第１図は金型厚みが薄い場合の型締装置の正面
図、第２図は金型厚が厚い場合の型締装置の正面図、第
３図は第２図の■−ｍ矢視平面図、第４図は第２図のＩ
Ｖ−ＩＶ矢視側面図をそれぞれ示す。[Example] Figures 1 to 4 show an example of the mold clamping device according to the present invention, where Figure 1 is a front view of the mold clamping device when the mold thickness is thin, and Figure 2 is a front view of the mold clamping device when the mold thickness is thin. A front view of the mold clamping device when the mold thickness is large, Fig. 3 is a plan view taken along the ■-m arrow in Fig. 2, and Fig. 4 is a plan view taken from I in Fig. 2.
A side view taken along the arrow V-IV is shown, respectively.
図において、１は雄金型、２は雌金型で、これら離動金
型の金型１，２は、椀状成型品に対応する型面を有する
。この離動両金型１，２を１組として、雄金型１を可動
盤３に、また雌金型２を可動盤４にそれぞれ取付けられ
、さらに、可動盤３の反雄金型ｌ側と、可動盤４０反雌
金型２側がそれぞれ油圧ラム６．７の先端に取付けられ
ている。In the figure, 1 is a male mold, 2 is a female mold, and these molds 1 and 2 of the removable molds have mold surfaces corresponding to a bowl-shaped molded product. The two removable molds 1 and 2 are set as a set, and the male mold 1 is installed on the movable platen 3 and the female mold 2 is installed on the movable platen 4, and furthermore, the opposite male mold l side of the movable platen 3 is attached. and the movable platen 40 opposite to the female mold 2 are respectively attached to the tip of the hydraulic ram 6.7.
第１図および第２図のように型閉時は、雄金型１と雌金
型２の両金型によってキャビティを形成する。ダイス１
２からチューブ状に溶融樹脂を垂下させる、いわゆるパ
リソンを形成し、雄金型１と雌金型２をそれぞれ装着し
た可動盤３，４を油圧ラム６．７によって進退し得るよ
うに装備し、油圧ラム６．７を操作することにより、両
金型１．２は型閉じされ、金型キャビティに対応するチ
ューブ状パリソンを順次所望する形状に成型するように
なっている。As shown in FIGS. 1 and 2, when the mold is closed, both the male mold 1 and the female mold 2 form a cavity. Dice 1
A so-called parison is formed in which molten resin is suspended in a tube shape from 2, and movable plates 3 and 4 are equipped with a male mold 1 and a female mold 2, respectively, so that they can be moved forward and backward by a hydraulic ram 6.7, By operating the hydraulic ram 6.7, both molds 1.2 are closed and the tubular parison corresponding to the mold cavity is successively molded into the desired shape.
また、可動盤３．４の側面部は金型１，２の取付方向に
突設した突部形状を有しており、この可動盤３，４の突
設部１７，１８にそれぞれ２輪１組として回動自在に車
輪９．１０が軸支され配設しである。Further, the side surface of the movable platen 3.4 has a protrusion shape that protrudes in the mounting direction of the molds 1 and 2, and two wheels 1 are formed on the protrusion portions 17 and 18 of the movable platens 3 and 4, respectively. Wheels 9 and 10 are rotatably supported as a set.
型締装置２ｏの基板１９上には油圧ラム６．７の操作に
よって左右に移動する可動錠走行用ガイドレール２１，
２２が２条１組で２組が平行に、可動盤３，４の前進・
後退方向に布設されている。On the board 19 of the mold clamping device 2o, there is a movable lock traveling guide rail 21 that moves left and right by the operation of the hydraulic ram 6.7.
22 is one set of two rows, and two sets are parallel, moving the movable plates 3 and 4 forward and
It is installed in the backward direction.
このため、第１図に示すように金型厚みが薄い場合でも
両金型１，２を型閉じさせる際に可動盤３゜４の下部突
部１７，１８が相互に衝合しないですれ違うように構成
されている。For this reason, even when the mold thickness is thin as shown in Fig. 1, when the molds 1 and 2 are closed, the lower protrusions 17 and 18 of the movable platen 3.4 do not collide with each other but pass each other. It is composed of
以上のように構成された型締装置の動作を説明する。The operation of the mold clamping device configured as above will be explained.
型開き状態にある離動金型１．２の対向間に、ダイス１
２よりチューブ状パリソン１３を垂下させ、次いで油圧
ラム６．７を操作して可動盤３゜４を前進して、離動両
金型１，２の型閉じにより、パリソン１３を両全型１．
２の型合せ面に挾んで溶着封鎖する。次に図示しない圧
縮空気源より圧縮空気路（図示せず）を通じてチューブ
状パリソン１３の内部に低圧の圧縮空気が供給される。The die 1 is placed between the opposing molds 1 and 2 in the open state.
2, the tubular parison 13 is suspended from the mold 1, the hydraulic ram 6.7 is operated to move the movable plate 3. ．．
Sandwich it between the mating surfaces of 2 and seal by welding. Next, low-pressure compressed air is supplied from a compressed air source (not shown) to the inside of the tubular parison 13 through a compressed air path (not shown).
その後充分な冷却を行なわせ、型内で成型され、両金型
１，２を開放して成型品を取り出す。Thereafter, it is sufficiently cooled and molded in a mold, and both molds 1 and 2 are opened to take out the molded product.
本発明においては、各可動盤３，４下部にそれぞれ前後
に回動自在に配設された４輪１組とした車輪９，１０を
、可動錠走行用ガイドレール２１゜２２上で前後進可能
に回動させる際に、各可動盤３．４に雄金型１または雌
金型２をそれぞれ装置した場合の可動盤３，４の重心位
置と、車輪間の縦中心軸とがほぼ一致しているために傾
転モーメントが作用せず、可動盤３．４前後進の際に前
傾または後傾することがなく、雄、ｆｌ金型１．２の平
行嵌合が行なわれる。特に、第２図に示すように、金型
厚が厚くなっても、前記した可動盤３゜４の重心と各車
輪間の縦中心軸とが多少ずれるだけで可動盤を前傾する
ためのモーメントはほとんど作用しない。In the present invention, wheels 9 and 10, which are a set of four wheels, are arranged at the bottom of each movable platen 3 and 4 so as to be rotatable back and forth, respectively, and can be moved forward and backward on guide rails 21 and 22 for moving locks. When rotating the movable plates 3 and 4, the center of gravity of the movable plates 3 and 4 when the male mold 1 or the female mold 2 is installed on each movable plate 3 and 4 almost coincides with the vertical center axis between the wheels. Because of this, no tilting moment is applied, and the movable plate 3.4 does not tilt forward or backward when moving back and forth, and the male and fl molds 1.2 are fitted in parallel. In particular, as shown in Fig. 2, even if the mold thickness increases, the center of gravity of the movable platen 3.4 and the vertical center axis between each wheel are slightly shifted, and the movable platen can be tilted forward. Moment has little effect.
［発明の効果］
以上の説明から明らかなように本発明によれば、可動盤
下部の両側の金型側に突設部を有したＬ字状にし、かつ
、可動錠走行用ガイドレールを平面上でそれぞれが平行
になるように配したために、各車輪間の縦中心軸と金型
を装置したときの可動盤の重心位置とが近接し、可動盤
の前進・後退時に傾転モーメントが作用せず、雄、雌金
型の平行嵌合が容易である。[Effects of the Invention] As is clear from the above description, according to the present invention, the lower part of the movable plate is formed into an L-shape with protrusions on both sides of the mold, and the guide rail for moving the movable lock is made of a flat surface. Because the wheels are arranged parallel to each other, the vertical center axis between each wheel is close to the center of gravity of the movable platen when the mold is installed, and a tilting moment is applied when the movable platen moves forward or backward. This makes parallel fitting of male and female molds easy.
第１図ないし第４図は本発明に係る型締装！の１実施例
を示し、第１図は金型厚みが薄い場合の型締装置の正面
図、第２図は金型厚が厚い場合の型締装置の正面図、第
３図は第２図の■−ｍ矢視平面図、第４図は第２図のＴ
ｈ’ −ＩＶ矢視側面図をそれぞれ示す。第５図ないし
第７図は従来の型締装置を示し、第５図は金型厚が薄い
場合の型締装置の正面図、第６図は金型厚が厚い場合の
型締装置の正面図、第７図は第６図の■−■矢視側面図
を示す。
１・・・雄金型、 ２・・・雌金型、３．４
・・・可動盤、 ６．７−・・油圧ラム、８゜
１５゜
２１゜
２２・・・ガイドレール、
９゜
１ｏ・・・車軸、
１２・・・ダイス、
１７゜
１８・・・突設部、
１９・・・基板、
２０・・・型締装置。Figures 1 to 4 show the mold clamping device according to the present invention! 1 is a front view of the mold clamping device when the mold thickness is thin, FIG. 2 is a front view of the mold clamping device when the mold thickness is thick, and FIG. 3 is a front view of the mold clamping device when the mold thickness is thick. ■-m arrow view plan view, Figure 4 is T in Figure 2
h'-IV arrow side view is shown, respectively. Figures 5 to 7 show conventional mold clamping devices, Figure 5 is a front view of the mold clamping device when the mold thickness is thin, and Figure 6 is the front view of the mold clamping device when the mold thickness is thick. FIG. 7 shows a side view taken along arrows ■--■ in FIG. 6. 1...Male mold, 2...Female mold, 3.4
...Movable plate, 6.7-...Hydraulic ram, 8゜15゜21゜22...Guide rail, 9゜1o...Axle, 12...Dice, 17゜18...Protrusion Part, 19... Board, 20... Mold clamping device.
Claims (1)
ぞれ装着した可動盤を配するとともに、前記基板部に可
動盤の前後進方向に可動盤の走行用のガイドレールを配
し、可動盤下部に前記ガイドレール上を回動自在に車輪
を支軸して配したブロー成形機の型締装置において、前
記可動盤下部域の両側部に金型の取付方向に突設した突
部を設けるとともに、車輪を回転自在に配し、前記基板
上に平行に並べて配したガイドレール上で、雄金型と雌
金型の型閉時に前記突部が相互に衝合しない構成とした
ことを特徴とするブロー成形機の型締装置。A movable platen on which a male mold and a female mold are mounted is disposed facing each other on the base plate of the mold clamping device, and a guide rail for running the movable platen in the forward and backward direction of the movable platen is provided on the base plate. In a mold clamping device for a blow molding machine, in which wheels are disposed at the bottom of the movable plate so as to be rotatable on the guide rail, protrusions are provided on both sides of the lower area of the movable plate in the mounting direction of the mold. A configuration in which a wheel is rotatably arranged, and the protrusions do not collide with each other when the male mold and the female mold are closed on guide rails arranged parallel to each other on the substrate. A mold clamping device for a blow molding machine, characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14151590A JPH0796260B2 (en) | 1990-06-01 | 1990-06-01 | Clamping device for blow molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14151590A JPH0796260B2 (en) | 1990-06-01 | 1990-06-01 | Clamping device for blow molding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0437524A true JPH0437524A (en) | 1992-02-07 |
| JPH0796260B2 JPH0796260B2 (en) | 1995-10-18 |
Family
ID=15293762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14151590A Expired - Lifetime JPH0796260B2 (en) | 1990-06-01 | 1990-06-01 | Clamping device for blow molding machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0796260B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19942600A1 (en) * | 1999-09-07 | 2001-03-15 | Fischer W Mueller Blasformtech | Blow molding machine for the production of hollow articles made of thermoplastic |
| US9671551B2 (en) | 2012-02-13 | 2017-06-06 | Corning Optical Communications LLC | Visual tracer system for fiber optic cable |
-
1990
- 1990-06-01 JP JP14151590A patent/JPH0796260B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19942600A1 (en) * | 1999-09-07 | 2001-03-15 | Fischer W Mueller Blasformtech | Blow molding machine for the production of hollow articles made of thermoplastic |
| DE19942600B4 (en) * | 1999-09-07 | 2008-03-06 | Sig Kautex Gmbh & Co. Kg | Use of a stationary and a movable platen in a Saugblasmaschine for producing hollow-body-shaped articles made of thermoplastic material |
| US9671551B2 (en) | 2012-02-13 | 2017-06-06 | Corning Optical Communications LLC | Visual tracer system for fiber optic cable |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0796260B2 (en) | 1995-10-18 |
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