JP2017185784A - Work tool for exchanging die of blow molding machine and a work method using the same - Google Patents

Work tool for exchanging die of blow molding machine and a work method using the same Download PDF

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JP2017185784A
JP2017185784A JP2017015142A JP2017015142A JP2017185784A JP 2017185784 A JP2017185784 A JP 2017185784A JP 2017015142 A JP2017015142 A JP 2017015142A JP 2017015142 A JP2017015142 A JP 2017015142A JP 2017185784 A JP2017185784 A JP 2017185784A
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繁生 松倉
Shigeo Matsukura
繁生 松倉
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Suntory Beverage and Food Ltd
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Abstract

PROBLEM TO BE SOLVED: To lighten the load of operators.SOLUTION: A work tool (1) used for exchanging dies of a blow molding machine having a plurality of dies (40, 50) and blow-molding a resin into a bottle shape in accordance with the dies (40, 50) includes rotary tables (10, 20) that are rotatable. On the rotary tables (10, 20), mount parts (13) in the number equal to or greater than the number of sets of a pair of body die (40) and bottom die (50) installed to the target blow molding machine, to which each of the body die (40) and the bottom die (50) in pair can be mounted, are juxtaposed in a circumferential direction around a rotational axis (21) of the rotary tables (10, 20).SELECTED DRAWING: Figure 2

Description

本発明は、金型に合わせて樹脂をボトル形状にブロー成形するブロー成形機に対する金型交換作業用の作業器具、及び、その作業器具を用いて、ブロー成形機に対する金型交換作業を行う作業方法に関する。   The present invention relates to a work tool for mold replacement work for a blow molding machine that blow-molds a resin into a bottle shape in accordance with a mold, and work for performing mold replacement work for a blow molding machine using the work tool. Regarding the method.

従来から、飲料用の容器として、樹脂からなるいわゆるペットボトルが用いられている。市場に流通しているペットボトルは、商品銘柄等、商品の種別ごとにサイズや形状の異なるものが用いられており、そのために様々なサイズや形状のペットボトルが製造されている。具体的には、ペットボトルはブロー成形機を用いて金型に合わせて樹脂をボトル形状にブロー成形して製造されるのであるが、ブロー成形機に用いる金型を所望の金型に交換されることで、様々なサイズや形状のペットボトルが製造されている。   Conventionally, so-called PET bottles made of resin have been used as beverage containers. The plastic bottles distributed in the market are different in size and shape for each type of product, such as product brands, and for that reason, various sizes and shapes of PET bottles are manufactured. Specifically, PET bottles are manufactured by blow molding resin into a bottle shape according to the mold using a blow molding machine, but the mold used for the blow molding machine is replaced with a desired mold. As a result, PET bottles of various sizes and shapes are manufactured.

樹脂をボトル形状にブロー成形するために胴部用金型と底部用金型との２つの金型が用いられており、また、ブロー成形機では、一般に、胴部用金型と底部用金型とを一組として、１０組以上の金型の組でブロー成形が行われている。また、各金型はそれぞれ相当の重さがある（胴部用金型で約１０ｋｇ、底部用金型で約６ｋｇ）。そのため、金型の交換作業では、この重い金型をブロー成形機に用いられている金型の数の分だけ持ち運びしなければならず（胴部用金型は左右で２つに分かれるものであるため、一組の金型の交換作業ごとに３回の持ち運び作業を要することになる）、さらに、ブロー成形機から取り外した金型も同様に持ち運ばなければならず、作業者にとって大きな負担になっていた。   Two molds, a barrel mold and a bottom mold, are used to blow-mold the resin into a bottle shape. In a blow molding machine, generally, a barrel mold and a bottom mold are used. Blow molding is performed with a set of molds of 10 or more sets. Each mold has a considerable weight (about 10 kg for the body mold and about 6 kg for the bottom mold). Therefore, in the mold replacement work, this heavy mold must be carried by the number of molds used in the blow molding machine (the body mold is divided into two on the left and right). Therefore, each time a set of molds is exchanged, it must be carried three times.) In addition, the mold removed from the blow molding machine must be carried in the same way, which is a heavy burden on the operator. It was.

そこで、作業者の負担を軽減できるブロー成形機に対する金型交換作業用の作業器具、及び、その作業器具を用いた作業方法が望まれる。   Therefore, a working tool for exchanging dies for a blow molding machine that can reduce the burden on the operator, and a working method using the working tool are desired.

本発明に係るブロー成形機に対する金型交換作業用の作業器具は、
金型に合わせて樹脂をボトル形状にブロー成形するブロー成形機に対する金型交換作業用の作業器具であって、
回転可能な回転台を備え、
前記回転台には、一対の胴部用金型及び底部用金型をそれぞれ設置可能な、対象のブロー成形機に取付けられている前記一対の胴部用金型及び底部用金型の組の数以上の数の設置部が、前記回転台の回転軸まわりに周方向に並設されている。 The working tool for mold replacement work for the blow molding machine according to the present invention is:
A working tool for mold replacement work for a blow molding machine that blow-molds resin into a bottle shape according to the mold,
Equipped with a rotatable turntable,
A pair of body molds and bottom molds attached to the target blow molding machine, each of which can be installed with a pair of body molds and bottom molds, are provided on the turntable. More than a few installation parts are arranged in the circumferential direction around the rotation axis of the turntable.

この構成によれば、ブロー成形機の金型交換作業の作業場から作業者の手が届く位置に作業器具を置けば、適宜回転台を回して所望の位置まで金型を移動させながら金型交換作業の作業場に金型を持ち運ぶことができ、交換用の金型を持ち運ぶ手間が省ける。また、ブロー成形機から取り外した金型については、交換用の金型を取り出した設置部に設置することができ、ブロー成形機から取り外した金型についても逐一搬送する手間を省くことができる。そして、設置部は胴部用金型と底部用金型とをワンセットで設置可能なものとなっており、胴部用金型と底部用金型とが必要なブロー成形機に適したものとなっている。このように、この構成によれば、作業者の負担を効果的に軽減できる。   According to this configuration, if the work implement is placed at a position that can be reached by the operator from the work place of the mold exchange work of the blow molding machine, the mold exchange is performed while the mold is moved to a desired position by appropriately rotating the turntable. The mold can be carried to the work place, and the trouble of carrying the replacement mold can be saved. Moreover, about the metal mold | die removed from the blow molding machine, it can install in the installation part which took out the metal mold | die for replacement | exchange, and the effort which conveys the metal mold | die removed from the blow molding machine one by one can be saved. The installation part can be installed in one set of the body mold and the bottom mold, and is suitable for blow molding machines that require a body mold and a bottom mold. It has become. Thus, according to this structure, an operator's burden can be reduced effectively.

一つの態様として、前記設置部のそれぞれには前記底部用金型を収容する収容部が設けられていると好適である。   As one aspect, it is preferable that each of the installation portions is provided with an accommodating portion for accommodating the bottom mold.

この構成によれば、一般に自立することができない底部用金型を収容部により安定的に設置部に設置できる。   According to this configuration, it is possible to stably install the bottom mold, which cannot generally stand on its own, in the installation section by the accommodating section.

一つの態様として、前記回転台は、前記設置部が設けられた作業台と前記作業台を回転させる回転部材とからなり、前記作業台と前記回転部材とが分離可能になっていると好適である。   As one aspect, it is preferable that the turntable includes a worktable provided with the installation portion and a rotating member that rotates the worktable, and the worktable and the rotating member are separable. is there.

この構成によれば、作業台のみを搬送可能になる方、作業台のみを交換用金型の保管場所まで運び、作業台に交換用金型を設置した後で、あらかじめブロー成形機近くの作業場所に置いてある回転部材まで作業台をフォークリフト等の機械などを用いて搬送するといったことが可能になり、金型交換作業のための準備作業を容易に行える。   According to this configuration, only the work table can be transported, only the work table is transported to the storage area for the replacement mold, and after the replacement mold is installed on the work table, the work near the blow molding machine is performed in advance. It becomes possible to transport the work table to a rotating member placed at a place by using a machine such as a forklift, and preparation work for mold replacement work can be easily performed.

一つの態様として、前記設置部の数は、対象のブロー成形機に取付けられている前記一対の胴部用金型及び底部用金型の組の数より少なくとも一つ多いと好適である。   As one aspect, it is preferable that the number of the installation parts is at least one more than the number of the pair of body part molds and bottom part molds attached to the target blow molding machine.

通常、金型交換作業では、まずブロー成形機から金型を取外し、その取り外したところに交換用の金型を取り付けていくが、回転台の設置部に空きがない場合、最初にブロー成形機から取り外した金型は回転台には置き場がなくなる。これに対し、この構成では、設置部の数は、対象のブロー成形機に取付けられている金型の組の数より少なくとも一つ多いため、回転台に金型が設置されていない空き状態の設置部を設けることができる。これにより、交換作業の最初にブロー成形機から取り外した金型についても回転台に設置することができる。   Normally, in mold replacement work, the mold is first removed from the blow molding machine, and a replacement mold is attached to the removed mold. The mold removed from the rotary table has no place for storage. On the other hand, in this configuration, the number of installation parts is at least one more than the number of mold sets attached to the target blow molding machine, so that the mold is not installed on the turntable. An installation part can be provided. Thereby, the mold removed from the blow molding machine at the beginning of the replacement work can also be installed on the turntable.

本発明に係る作業方法は、
上記作業器具を用いて、ブロー成形機に対する金型交換作業を行う作業方法であって、
前記設置部のうち少なくとも一つの前記設置部を除いて、他の前記設置部のそれぞれに、交換用の前記一対の胴部用金型及び底部用金型を設置する準備工程と、
対象のブロー成形機に取付けられている前記一対の胴部用金型及び底部用金型を、交換用の前記一対の胴部用金型及び底部用金型が設置されていない空き状態の前記設置部に設置する取外し工程と、
前記ブロー成形機から取り外された前記一対の胴部用金型及び底部用金型が取り付けられていた部分に、交換用の前記一対の胴部用金型及び底部用金型を取り付けるとともに、取り付けた前記一対の胴部用金型及び底部用金型を設置していた前記設置部を新たな前記空き状態の設置部とする取付け工程と、を有し、
前記金型交換作業が終わるまで、前記取外し工程と前記取付け工程とを繰り返して行う。 The working method according to the present invention includes:
Using the work implement, a work method for performing a mold replacement work for a blow molding machine,
A preparatory step of installing the pair of body molds and bottom molds for replacement in each of the other installation sections, excluding at least one of the installation sections,
The pair of body molds and bottom molds attached to the target blow molding machine is replaced with the pair of body molds and bottom molds for replacement in an empty state. A removal process to be installed in the installation section;
Attach and replace the pair of body molds and bottom molds for replacement to the part where the pair of body molds and bottom molds removed from the blow molding machine were attached. A mounting step in which the installation portion where the pair of body molds and the bottom mold are installed is set as a new installation portion in the empty state, and
The removal step and the attachment step are repeated until the mold replacement operation is completed.

この構成によれば、準備工程において予め空き状態の設置部を設けておくことで、最初の取外し工程から、取り外した金型を回転台に設置させることができる。そして、取付け工程において交換のため金型を取り出した設置部を新たな空き状態の設置部とするので、その設置部に新たにブロー成形機から取り外した金型を設置させることができ、これを繰り返していくことで、効率よく金型交換作業が行える。   According to this configuration, by providing an empty installation portion in advance in the preparation process, it is possible to install the removed mold on the turntable from the first removal process. And since the installation part which took out the mold for replacement in the attachment process is set as a new empty installation part, the mold newly removed from the blow molding machine can be installed in the installation part. By repeating the process, the mold can be exchanged efficiently.

作業器具の側面断面図Side cross-sectional view of work implement 作業器具の平面図Top view of work implement 別実施形態に係る作業器具の平面図The top view of the work implement concerning another embodiment 別実施形態に係る作業器具の側面断面図Side surface sectional drawing of the work implement which concerns on another embodiment 別実施形態に係る設置部の拡大図Enlarged view of the installation section according to another embodiment 別実施形態に係る作業器具の側面図Side view of work implement according to another embodiment 別実施形態に係る作業器具の平面図The top view of the work implement concerning another embodiment

本発明に係るブロー成形機に対する金型交換作業用の作業器具、及び、その作業器具を用いた作業方法の実施形態について、図面を参照して説明する。図１，２は、本実施形態に係る金型交換作業用の作業器具１を示し、金型に合わせて樹脂をボトル形状にブロー成形するブロー成形機に対する金型交換作業に用いられる。図１，２に示すように、作業器具１は、作業台１０と、作業台１０を回転させる回転部材２０と、作業台１０と回転部材２０とを支える土台３０と、を備える。   DESCRIPTION OF EMBODIMENTS Embodiments of a working tool for exchanging dies for a blow molding machine according to the present invention and a working method using the working tool will be described with reference to the drawings. 1 and 2 show a working tool 1 for mold exchanging work according to the present embodiment, which is used for mold exchanging work for a blow molding machine that blow-molds resin into a bottle shape according to the mold. As shown in FIGS. 1 and 2, the work implement 1 includes a work table 10, a rotating member 20 that rotates the work table 10, and a base 30 that supports the work table 10 and the rotating member 20.

作業台１０は円盤状に形成されており、この上に胴部用金型４０及び底部用金型５０が設置される。具体的には、底部用金型５０を収容する収容部１１とその径方向外側の胴部用金型４０設置用の領域１２とからなる、一対の胴部用金型４０及び底部用金型５０を設置する設置部１３が、作業台１０の外周側の領域に周方向に等間隔で複数並設されており（本実施形態では１６個）、各設置部１３に、一対の胴部用金型４０及び底部用金型５０がそれぞれ設置される。この設置部１３の数は、金型交換作業対象のブロー成形機に取付けられている一対の胴部用金型４０及び底部用金型５０の組の数より一つ多いものとしてある。   The work table 10 is formed in a disc shape, on which a body mold 40 and a bottom mold 50 are installed. Specifically, a pair of body molds 40 and a bottom mold, each of which includes a housing part 11 for housing a bottom mold 50 and a region 12 for installing a body mold 40 on the radially outer side thereof. A plurality of installation sections 13 for installing 50 are arranged in the circumferential area of the work table 10 at equal intervals in the circumferential direction (16 in the present embodiment), and each installation section 13 has a pair of body parts. A mold 40 and a bottom mold 50 are respectively installed. The number of the installation parts 13 is one more than the number of the pair of the body part mold 40 and the bottom part mold 50 attached to the blow molding machine to be replaced with a mold.

また、本実施形態では、収容部１１は、底部用金型５０の形状に合わせた管状の部材となっている。この収容部１１により、一般に自立することができない底部用金型５０を収容部１１により安定的に設置部１３に設置できる。また、胴部用金型４０は、一般に自立可能な形状となっているため、本実施形態では、単に胴部用金型４０設置用の領域１２を設けるのみとし、別途胴部用金型４０を支持するための部材を用いていない。なお、本実施形態において、胴部用金型４０を適切な位置に設置するための目印を設けておくと好適である。   In the present embodiment, the accommodating portion 11 is a tubular member that matches the shape of the bottom die 50. By this accommodating portion 11, the bottom mold 50 that cannot generally stand independently can be stably installed in the installing portion 13 by the accommodating portion 11. In addition, since the barrel die 40 has a shape that can generally stand on its own, in this embodiment, the region 12 for installing the barrel die 40 is simply provided, and the barrel die 40 is separately provided. The member for supporting is not used. In the present embodiment, it is preferable to provide a mark for installing the body mold 40 at an appropriate position.

回転部材２０はそれ自体が回転軸２１まわりで回転する部材であり、その回転によって、その上に設置された作業台１０を回転させる（このとき、作業台１０を、その中心が回転軸２１と重なるように設置する）。作業台１０と回転部材２０とは分離可能になっており、作業台１０を作業部材１から取り外して、それのみを搬送することができる。   The rotating member 20 itself is a member that rotates around the rotating shaft 21, and the work table 10 installed on the rotating member 20 is rotated by the rotation (the work table 10 is centered on the rotating shaft 21 at this time). Install so that they overlap.) The work table 10 and the rotating member 20 can be separated, and the work table 10 can be detached from the work member 1 and only it can be conveyed.

このように、作業台１０と回転部材２０とで回転可能な回転台が形成され、そして、この回転台は、一対の胴部用金型４０及び底部用金型５０をそれぞれ設置可能な、対象のブロー成形機に取付けられている一対の胴部用金型４０及び底部用金型５０の組の数以上の数の設置部１３が、回転台の回転軸２１まわりに周方向に並設された状態となっている。   In this way, a turntable that can be rotated by the work table 10 and the rotary member 20 is formed, and this turntable can be installed with a pair of body mold 40 and bottom mold 50, respectively. More than the number of sets 13 of the pair of body molds 40 and bottom molds 50 attached to the blow molding machine are installed in the circumferential direction around the rotary shaft 21 of the turntable. It is in the state.

次に、この作業器具１を用いて、ブロー成形機に対する金型交換作業を行う作業方法について説明する。まず、作業器具１は、ブロー成形機の金型交換作業の作業場から作業者の手が届く位置に置いておく。そして、作業器具１から作業台１０を取外し、フォークリフト等により、交換用の金型（胴部用金型４０及び底部用金型５０）を保管している保管場所まで作業台１０を運ぶ。さらに、準備工程として、計１６個の設置部１３のうち一つの設置部１３を除いて、他の設置部１３のそれぞれに、交換用の一対の胴部用金型４０及び底部用金型５０を設置する。つまり、作業台１０では、交換用の一対の胴部用金型４０及び底部用金型５０が設置されていない空き状態の設置部１３が一つ設けられた状態となっている。その後、再びフォークリフト等により、金型設置後の作業台１０を作業器具１まで運び、作業台１０を回転部材２０の上に設置する。   Next, an operation method for performing a die replacement operation on the blow molding machine using the work implement 1 will be described. First, the work implement 1 is placed at a position that can be reached by an operator from the work place for mold replacement work of the blow molding machine. Then, the work table 10 is detached from the work implement 1, and the work table 10 is transported to a storage location where replacement dies (body mold 40 and bottom mold 50) are stored by a forklift or the like. Further, as a preparation process, a pair of body molds 40 and a bottom mold 50 for replacement are provided on each of the other installation sections 13 except for one installation section 13 among the total of 16 installation sections 13. Is installed. In other words, the work table 10 is in a state in which a single installation section 13 in an empty state in which the pair of replacement body molds 40 and the bottom mold 50 are not installed is provided. Thereafter, the work table 10 after the mold is installed is again carried to the work tool 1 by a forklift or the like, and the work table 10 is installed on the rotating member 20.

そして、後続の取外し工程のため、空き状態の設置部１３が所定の作業位置（金型交換作業の作業場にいる作業者から最も近い位置）に位置するように作業台１０を回転させる。   Then, for the subsequent removal process, the work table 10 is rotated so that the empty installation unit 13 is positioned at a predetermined work position (a position closest to the worker in the work place of the mold exchanging work).

その後、取外し工程として、対象のブロー成形機に取付けられている一対の胴部用金型４０及び底部用金型５０を、作業台１０における空き状態の設置部１３に設置する。   Thereafter, as a removal step, the pair of body molds 40 and the bottom mold 50 attached to the target blow molding machine are installed in the installation unit 13 in the empty state on the work table 10.

そして、位置合わせ工程として、交換用の一対の胴部用金型４０及び底部用金型５０が設置された設置部１３が所定の作業位置に位置するように、設置部１３一つ分だけ作業台１０を回転させる。   Then, as an alignment step, the work for one installation portion 13 is performed so that the installation portion 13 in which the pair of replacement body molds 40 and the bottom mold 50 are installed is located at a predetermined work position. The base 10 is rotated.

その後、取付け工程として、ブロー成形機から取り外された一対の胴部用金型４０及び底部用金型５０が取り付けられていた部分に、交換用の一対の胴部用金型４０及び底部用金型５０を取り付ける。詳しくは、位置合わせ工程により所定の作業位置に配置された設置部１３から交換用の一対の胴部用金型４０及び底部用金型５０を取出し、取外し工程において金型４０，５０が取り外された部分にその交換用の金型４０，５０を取り付ける。なお、これに伴い、新たに取り付けた一対の胴部用金型４０及び底部用金型５０を設置していた設置部１３が新たな空き状態の設置部１３となる。   Thereafter, as a mounting step, a pair of body molds 40 and a bottom mold for replacement are attached to a portion where the pair of body molds 40 and the bottom mold 50 removed from the blow molding machine are attached. Install the mold 50. Specifically, a pair of body molds 40 and a bottom mold 50 for replacement are taken out from the installation portion 13 arranged at a predetermined work position in the alignment process, and the molds 40 and 50 are removed in the removal process. The replacement molds 40 and 50 are attached to the parts. Along with this, the installation unit 13 in which the newly installed pair of body molds 40 and the bottom mold 50 is installed becomes a new installation unit 13 in an empty state.

この取付け工程後は、空き状態の設置部１３が所定の作業位置に位置しているので、そのまま取外し工程→位置合わせ工程→取付け工程→取外し工程→位置合わせ工程→…の順に、金型交換作業が終わるまで、取外し工程と位置合わせ工程と取付け工程とを繰り返して行う。   After this attachment process, the empty installation portion 13 is located at a predetermined work position, so that the mold replacement work is performed in the order of removal process → positioning process → attachment process → removal process → positioning process →. Until the process is completed, the removal process, the alignment process, and the mounting process are repeated.

このように、この作業器具１を用いることで、適宜作業台１０を回して所望の位置まで金型４０，５０を移動させて金型交換作業の作業場に交換用の金型４０，５０を持ち運ぶことができ、交換用の金型４０，５０を作業場外から逐一持ち運ぶ手間が省ける。また、ブロー成形機から取り外した金型４０，５０については、空き状態の設置部１３に設置することができ、ブロー成形機から取り外した金型４０，５０についても逐一作業場の外に搬送する手間を省くことができる。そして、設置部１３は胴部用金型４０と底部用金型５０とをワンセットで設置可能なものとなっており、胴部用金型４０と底部用金型５０とが必要なブロー成形機に適したものとなっている。このように、この構成によれば、作業者の負担を効果的に軽減できる。そして、上記の方法のように、準備工程において予め空き状態の設置部１３を設けておくことで、最初の取外し工程から、取り外した金型４０，５０を作業台１０に設置させることができる。そして、取付け工程において交換用の金型４０，５０を取り出した設置部１３を新たな空き状態の設置部１３とするので、その設置部１３に新たにブロー成形機から取り外した金型４０，５０を設置させることができ、これを繰り返していくことで、効率よく金型交換作業が行える。   Thus, by using this work implement 1, the work table 10 is appropriately rotated to move the molds 40, 50 to a desired position, and the replacement molds 40, 50 are carried to the work place for the mold exchange work. It is possible to save the trouble of carrying the replacement dies 40 and 50 from the outside of the work place. In addition, the molds 40 and 50 removed from the blow molding machine can be installed in the empty installation section 13, and the molds 40 and 50 removed from the blow molding machine are transported to the outside of the work place one by one. Can be omitted. And the installation part 13 can be installed in one set of the body part mold 40 and the bottom part mold 50, and blow molding that requires the body part mold 40 and the bottom part mold 50 is required. It is suitable for the machine. Thus, according to this structure, an operator's burden can be reduced effectively. And by providing the installation part 13 of the vacant state beforehand in a preparation process like said method, the metal mold | die 40,50 removed from the first removal process can be installed in the worktable 10. FIG. And since the installation part 13 which took out the metal mold | dies 40 and 50 for replacement | exchange in the attachment process is set as the new empty installation part 13, the metal mold | die 40,50 newly removed from the blow molding machine in the installation part 13 By repeating this, the mold replacement work can be performed efficiently.

〔その他の実施形態〕
最後に、本発明に係るブロー成形機に対する金型交換作業用の作業器具、及び、その作業器具を用いた作業方法のその他の実施形態について説明する。なお、以下のそれぞれの実施形態で開示される構成は、矛盾が生じない限り、他の実施形態で開示される構成と組み合わせて適用することも可能である。 [Other Embodiments]
Finally, another embodiment of a working tool for mold replacement work for the blow molding machine according to the present invention and a working method using the working tool will be described. Note that the configurations disclosed in the following embodiments can be applied in combination with the configurations disclosed in other embodiments as long as no contradiction arises.

（１）上記の実施形態では、設置部１３の数が、金型交換作業対象のブロー成形機に取付けられている一対の胴部用金型４０及び底部用金型５０の組の数より一つ多い構成を例に説明した。しかし、本発明の実施形態はこれに限定されず、設置部１３の数は、対象のブロー成形機に取付けられている一対の胴部用金型４０及び底部用金型５０の組の数と同じでもいいし、それより二つ以上多く設けてもよい。また、上記の実施形態では、一つの設置部１３を除く他の設置部１３に金型を設置し、空き状態の設置部１３を一つ設けた構成を例に説明したが、本発明の実施形態はこれに限定されず、空き状態の設置部１３を二つ以上設けてもいいし、空き状態の設置部１３を設けなくてもよい。 (1) In the above embodiment, the number of the installation parts 13 is one more than the number of pairs of the body part mold 40 and the bottom part mold 50 attached to the blow molding machine that is the object of the mold replacement work. A number of configurations have been described as examples. However, the embodiment of the present invention is not limited to this, and the number of installation portions 13 is equal to the number of sets of a pair of body molds 40 and bottom molds 50 attached to a target blow molding machine. It may be the same or more than two. In the above-described embodiment, a configuration in which a mold is installed in another installation unit 13 other than one installation unit 13 and one installation unit 13 in an empty state is provided is described as an example. The form is not limited to this, and two or more empty installation parts 13 may be provided, or the empty installation parts 13 may not be provided.

（２）上記の実施形態では、作業台１０と回転部材２０とが分離可能な構成を例に説明した。しかし、本発明の実施形態はこれに限定されず、作業台１０と回転部材２０とが一体に形成されていてもよい。 (2) In the above embodiment, the configuration in which the work table 10 and the rotating member 20 are separable has been described as an example. However, the embodiment of the present invention is not limited to this, and the work table 10 and the rotating member 20 may be integrally formed.

（３）本発明に係る作業器具では、図３に示すように、作業台１０の上にカバー６０を設けてもよい。ここで、カバー６０は作業台１０とは独立に備えられ、作業台１０、回転部材２０とともに回転しないようになっている。カバー６０は平面視で円盤状の部材に扇状の切欠き部６１が設けられた形状となっており、その切欠き部６１の範囲は特に限定されないが、例えば図３では、切欠き部６１は胴部用金型４０及び底部用金型５０が３つ分露出される範囲で設けられている。そして、作業者は、作業台１０、回転部材２０を適宜回転させながら、この切欠き部６１から露出されている胴部用金型４０及び底部用金型５０を用いて交換作業を行う。 (3) In the work implement according to the present invention, a cover 60 may be provided on the work table 10 as shown in FIG. Here, the cover 60 is provided independently of the work table 10 and does not rotate together with the work table 10 and the rotating member 20. The cover 60 has a shape in which a fan-shaped notch 61 is provided on a disk-like member in plan view, and the range of the notch 61 is not particularly limited. For example, in FIG. The body part mold 40 and the bottom part mold 50 are provided in a range exposed by three. Then, the operator performs replacement work using the body mold 40 and the bottom mold 50 exposed from the notch 61 while appropriately rotating the work table 10 and the rotating member 20.

（４）上記の実施形態では、収容部１１を管状の部材で形成した構成を例に説明した。しかし、本発明の実施形態はこれに限定されない。図４に示すように、収容部１１を底部用金型５０が収容可能な棚として形成してもよく、また、図５に示すように、底部用金型の収容及び取出しが容易に行えるように、管状の部材を傾斜した状態で設けてもよい。また、胴部用金型４０は、一般に自立可能な形状となっているため、上述の実施形態では、別途、胴部用金型４０を支持するための部材を用いることなく単に胴部用金型４０設置用の領域１２を設けたが、これに限定されず、胴部用金型４０を支持するための部材を用いてもよい。 (4) In the above embodiment, the configuration in which the accommodating portion 11 is formed of a tubular member has been described as an example. However, the embodiment of the present invention is not limited to this. As shown in FIG. 4, the accommodating portion 11 may be formed as a shelf that can accommodate the bottom mold 50, and as shown in FIG. 5, the bottom mold can be easily accommodated and taken out. In addition, the tubular member may be provided in an inclined state. In addition, since the barrel die 40 has a shape that can generally stand on its own, in the above-described embodiment, a barrel die is simply used without using a separate member for supporting the barrel die 40. Although the area | region 12 for type | mold 40 installation was provided, it is not limited to this, You may use the member for supporting the metal mold | die 40 for trunk | drums.

（５）上記の実施形態では、金型交換作業を行う作業方法において、取外し工程と取付け工程との間に位置合わせ工程を行う構成を例に説明した。しかし、本発明の実施形態はこれに限定されない。位置合わせ工程は、必ずしも取外し工程と取付け工程との間に行う必要はなく、適宜のタイミングで行えばよい。 (5) In the above embodiment, the configuration in which the alignment step is performed between the removal step and the attachment step in the working method for performing the die replacement work has been described as an example. However, the embodiment of the present invention is not limited to this. The alignment step is not necessarily performed between the removal step and the attachment step, and may be performed at an appropriate timing.

（６）上記の実施形態では、作業器具１が、作業台１０と、作業台１０を回転させる回転部材２０と、作業台１０と回転部材２０とを支える土台３０と、を備え、一対の胴部用金型４０及び底部用金型５０を設置する設置部１３が、作業台１０において周方向に等間隔で複数並設された構成を例に説明した。しかし、本発明の実施形態はこれに限定されない。例えば、図６に示すように、作業器具１において、回転部材２０（即ち回転台）と土台３０との間に電動又は手動のリフター７０を設けてもよい。準備作業として交換用の金型４０，５０を作業台１０に設置するには作業台１０が低い位置にあることが好ましく、交換作業を行うときには作業台１０が高い位置にあることが好ましいところ、リフター７０により作業台１０を上げ下げすることで準備作業と交換作業とで夫々を行うのに好適な高さに作業台１０を位置させることができる。また、図７に示すように、設置部１３（又は収容部１１）を作業台１０上に周方向に沿って千鳥配置で複数並設して、一対の胴部用金型４０及び底部用金型５０（又は底部用金型５０）が作業台１０（即ち回転台）上に周方向に沿って千鳥配置で配置されるようにしてもよい。これにより、設置部１３（又は収容部１１）を同一円周上に等間隔で並設するのに比べ、作業台１０上に一対の胴部用金型４０及び底部用金型５０（又は底部用金型５０）をより密に配置することができ、同じ数の金型４０，５０を配置するのに必要な作業台１０のサイズを小さくできて省スペースが図れる。 (6) In the above embodiment, the work implement 1 includes the work table 10, the rotating member 20 that rotates the work table 10, and the base 30 that supports the work table 10 and the rotating member 20. The configuration in which a plurality of installation parts 13 for installing the part mold 40 and the bottom mold 50 are arranged in parallel in the circumferential direction on the work table 10 has been described as an example. However, the embodiment of the present invention is not limited to this. For example, as shown in FIG. 6, an electric or manual lifter 70 may be provided between the rotary member 20 (that is, the rotary base) and the base 30 in the work implement 1. In order to install the replacement molds 40 and 50 on the work table 10 as a preparatory work, the work table 10 is preferably in a low position, and when performing a replacement work, the work table 10 is preferably in a high position. By raising and lowering the work table 10 by the lifter 70, the work table 10 can be positioned at a height suitable for performing the preparation work and the replacement work. Further, as shown in FIG. 7, a plurality of installation portions 13 (or storage portions 11) are arranged in a staggered arrangement along the circumferential direction on the work table 10, and a pair of body molds 40 and bottom molds are arranged. The mold 50 (or the bottom mold 50) may be arranged on the work table 10 (that is, the turntable) in a staggered arrangement along the circumferential direction. As a result, the pair of body molds 40 and the bottom mold 50 (or the bottom part) are arranged on the work table 10 as compared with the installation parts 13 (or the accommodating parts 11) arranged at equal intervals on the same circumference. The metal molds 50) can be arranged more densely, and the size of the work table 10 required for arranging the same number of molds 40, 50 can be reduced, thereby saving space.

（７）その他の構成に関しても、本明細書において開示された実施形態は全ての点で例示であって、本発明の範囲はそれらによって限定されることはないと理解されるべきである。当業者であれば、本発明の趣旨を逸脱しない範囲で、適宜改変が可能であることを容易に理解できるであろう。従って、本発明の趣旨を逸脱しない範囲で改変された別の実施形態も、当然、本発明の範囲に含まれる。 (7) Regarding other configurations, it should be understood that the embodiments disclosed herein are illustrative in all respects and that the scope of the present invention is not limited thereby. Those skilled in the art will readily understand that modifications can be made as appropriate without departing from the spirit of the present invention. Accordingly, other embodiments modified without departing from the spirit of the present invention are naturally included in the scope of the present invention.

本発明は、例えばブロー成形機に対する金型交換作業に利用することができる。   The present invention can be used, for example, for mold replacement work for a blow molding machine.

１ 作業器具
１０ 作業台
１１ 収容部
１３ 設置部
２０ 回転部材
４０ 胴部用金型
５０ 底部用金型 DESCRIPTION OF SYMBOLS 1 Work implement 10 Worktable 11 Storage part 13 Installation part 20 Rotating member 40 Body mold 50 Bottom mold

Claims (5)

複数の金型が取り付けられており、前記金型に合わせて樹脂をボトル形状にブロー成形するブロー成形機に対する金型交換作業用の作業器具であって、
回転可能な回転台を備え、
前記回転台には、一対の胴部用金型及び底部用金型をそれぞれ設置可能な、対象のブロー成形機に取付けられている前記一対の胴部用金型及び底部用金型の組の数以上の数の設置部が、前記回転台の回転軸まわりに周方向に並設されている作業器具。 A plurality of molds are attached, a working tool for mold replacement work for a blow molding machine for blow molding resin into a bottle shape according to the mold,
Equipped with a rotatable turntable,
A pair of body molds and bottom molds attached to the target blow molding machine, each of which can be installed with a pair of body molds and bottom molds, are provided on the turntable. A work implement in which more than a few installation parts are arranged in the circumferential direction around the rotation axis of the turntable. 前記設置部のそれぞれには前記底部用金型を収容する収容部が設けられている請求項１に記載の作業器具。   The work implement according to claim 1, wherein each of the installation portions is provided with a storage portion that stores the bottom mold. 前記回転台は、前記設置部が設けられた作業台と前記作業台を回転させる回転部材とからなり、前記作業台と前記回転部材とが分離可能になっている請求項１又は２に記載の作業器具。   The said turntable consists of the worktable provided with the said installation part, and the rotation member which rotates the said worktable, The said worktable and the said rotation member are separable. Work implement. 前記設置部の数は、対象のブロー成形機に取付けられている前記一対の胴部用金型及び底部用金型の組の数より少なくとも一つ多い請求項１〜３のいずれか一項に記載の作業器具。   The number of the installation parts is at least one more than the number of the pair of the pair of body molds and bottom molds attached to the target blow molding machine. The work implement described. 請求項４に記載の作業器具を用いて、ブロー成形機に対する金型交換作業を行う作業方法であって、
前記設置部のうち少なくとも一つの前記設置部を除いて、他の前記設置部のそれぞれに、交換用の前記一対の胴部用金型及び底部用金型を設置する準備工程と、
対象のブロー成形機に取付けられている前記一対の胴部用金型及び底部用金型を、交換用の前記一対の胴部用金型及び底部用金型が設置されていない空き状態の前記設置部に設置する取外し工程と、
前記ブロー成形機から取り外された前記一対の胴部用金型及び底部用金型が取り付けられていた部分に、交換用の前記一対の胴部用金型及び底部用金型を取り付けるとともに、取り付けた前記一対の胴部用金型及び底部用金型を設置していた前記設置部を新たな前記空き状態の設置部とする取付け工程と、を有し、
前記金型交換作業が終わるまで、前記取外し工程と前記取付け工程とを繰り返して行う作業方法。 Using the work implement according to claim 4, a work method for performing a mold exchanging work for a blow molding machine,
A preparatory step of installing the pair of body molds and bottom molds for replacement in each of the other installation sections, excluding at least one of the installation sections,
The pair of body molds and bottom molds attached to the target blow molding machine is replaced with the pair of body molds and bottom molds for replacement in an empty state. A removal process to be installed in the installation section;
Attach and replace the pair of body molds and bottom molds for replacement to the part where the pair of body molds and bottom molds removed from the blow molding machine were attached. A mounting step in which the installation portion where the pair of body molds and the bottom mold are installed is set as a new installation portion in the empty state, and
An operation method in which the removal step and the attachment step are repeated until the mold replacement operation is completed.
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