JP2017087625A - Injection molding machine provided with tie bar cover - Google Patents

Injection molding machine provided with tie bar cover Download PDF

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JP2017087625A
JP2017087625A JP2015222415A JP2015222415A JP2017087625A JP 2017087625 A JP2017087625 A JP 2017087625A JP 2015222415 A JP2015222415 A JP 2015222415A JP 2015222415 A JP2015222415 A JP 2015222415A JP 2017087625 A JP2017087625 A JP 2017087625A
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tie bar
waste lubricant
movable platen
bar cover
waste
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JP6407840B2 (en
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今村　博史
Hiroshi Imamura
博史 今村
新太郎 星川
Shintaro Hoshikawa
新太郎 星川
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Fanuc Corp
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Fanuc Corp
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Abstract

PROBLEM TO BE SOLVED: To reduce the inflow of a waste lubricant into a tie bar cover.SOLUTION: The lower part of the die fitting face of a movable platen 7 is fitted with: a waste lubricant induction member 12; and an oil pan 10. A tie bar cover 11 covering a tie bar 8 is fitted to the waste lubricant induction member 12. Waste grease generated from the tie bar sliding part of the movable platen 7 falls, is induced with the waste lubricant induction member 12 and is collected in the oil pan 10. Since the waste grease is induced with the waste lubricant induction member 12 and is collected in the oil pan 10, its inflow into the tie cover 11 is reduced. In this way, the cleaning at the inside of the tie bar cover 11 is reduced or is not needed. Further, deterioration in the tie bar cover 11 can be prevented.SELECTED DRAWING: Figure 6

Description

本発明は、射出成形機に係り、特に型締部における固定プラテンと可動プラテンの間のタイバーの外周を覆うタイバーカバーを備えた射出成形機に関する。   The present invention relates to an injection molding machine, and more particularly to an injection molding machine including a tie bar cover that covers an outer periphery of a tie bar between a fixed platen and a movable platen in a mold clamping portion.

射出成形機の型締機構においては、タイバーでガイドして可動プラテンを直線移動させて、該可動プラテン及び固定プラテンに取り付けられた金型の開閉型締を行う。そして、成形完了後、金型を開き、成形品を金型から突き出し、落下させて取り出す。可動プラテンはタイバーにガイドされて直線移動することから、可動プラテンとタイバーの摺動部にはグリス等の潤滑剤が供給される。タイバー表面には、該潤滑剤が付着している。一方、成形品は、金型から取り出される際、タイバー間を通って落下する。この落下する際に成形品が散乱してタイバーに接触して、成形品にタイバー表面の潤滑用グリスが付着する場合がある。これを防止するため、固定金型が取り付けられる固定プラテン金型取付面と、可動金型が取り付けられる可動プラテン金型取付面の間のタイバーの外周を、可動プラテンの動作に対応して伸縮するカバーで覆う技術が公知である（特許文献１参照）。   In the mold clamping mechanism of the injection molding machine, the movable platen is linearly moved while being guided by a tie bar, and the mold attached to the movable platen and the fixed platen is clamped for opening and closing. Then, after the molding is completed, the mold is opened, and the molded product is ejected from the mold and dropped to be taken out. Since the movable platen moves linearly while being guided by the tie bar, a lubricant such as grease is supplied to the sliding portion between the movable platen and the tie bar. The lubricant adheres to the tie bar surface. On the other hand, when the molded product is taken out from the mold, it falls through the tie bars. When falling, the molded product may scatter and come into contact with the tie bar, and the lubricating grease on the surface of the tie bar may adhere to the molded product. In order to prevent this, the outer periphery of the tie bar between the fixed platen mold mounting surface to which the fixed mold is mounted and the movable platen mold mounting surface to which the movable mold is mounted is expanded or contracted according to the operation of the movable platen. A technique of covering with a cover is known (see Patent Document 1).

実開昭５７−１２１５２３号公報Japanese Utility Model Publication No. 57-121523

従来技術における伸縮自在のタイバーカバーは、一端を固定プラテン金型取付面に他端を可動プラテン金型取付面に取り付けられ、可動プラテン金型取付面のタイバーの摺動部から垂れる廃グリス等の廃潤滑剤がタイバーカバーの内部に流入して溜まっていく構造であり、定期的にタイバーカバーの内部を清掃する必要がある。また、タイバーカバーが長い期間に渡り廃グリスを溜めたまま伸縮し続けることは、タイバーカバーが耐油性の材質であっても、タイバーカバーの早期劣化が懸念される。   The stretchable tie bar cover according to the prior art has one end attached to a fixed platen mold mounting surface and the other end mounted to a movable platen mold mounting surface, such as waste grease hanging from the sliding portion of the tie bar on the movable platen mold mounting surface. The structure is such that the waste lubricant flows into and accumulates inside the tie bar cover, and it is necessary to periodically clean the inside of the tie bar cover. In addition, if the tie bar cover continues to expand and contract while storing waste grease for a long period of time, even if the tie bar cover is made of an oil-resistant material, there is a concern about the early deterioration of the tie bar cover.

そこで、本発明の目的は、タイバーカバー内への廃潤滑剤の流入を減少させる射出成形機を提供することにある。   Therefore, an object of the present invention is to provide an injection molding machine that reduces the inflow of waste lubricant into the tie bar cover.

固定プラテンと可動プラテンに取り付けられた金型を、可動プラテンをタイバーに沿って摺動移動させることによって金型の開閉、型閉めを行う射出成形機において、請求項１に係る発明は、前記固定プラテンと前記可動プラテンとの間において前記タイバーを覆う伸縮自在のタイバーカバーと、前記可動プラテンの下方に配置された廃潤滑剤受け部材と、前記可動プラテンの金型取付面側のタイバー下方に配置され前記可動プラテンと共に移動し、可動プラテンのタイバー摺動部から生じ落下する廃潤滑剤を前記廃潤滑剤受け部材に導く廃潤滑剤誘導部材とを備え、前記タイバーカバーの可動プラテン側の端部は前記廃潤滑剤誘導部材に連結し、前記タイバーカバーの固定プラテン側の端部は前記固定プラテンまたは前記タイバーに連結して構成し、成形品に廃潤滑剤が付着することを防止すると共に、タイバーカバー内に廃潤滑剤が流入することを防止した。   An injection molding machine that opens and closes and closes a mold by sliding a movable platen along a tie bar between a fixed platen and a mold attached to the movable platen. A telescopic tie bar cover that covers the tie bar between the platen and the movable platen, a waste lubricant receiving member disposed below the movable platen, and a lower tie bar on the mold mounting surface side of the movable platen And a waste lubricant guide member that guides waste lubricant that moves together with the movable platen and falls from the tie bar sliding portion of the movable platen to the waste lubricant receiving member, and an end portion on the movable platen side of the tie bar cover Is connected to the waste lubricant guide member, and the end of the fixed platen side of the tie bar cover is connected to the fixed platen or the tie bar. Configured, thereby preventing the waste lubricant adheres to the molded article, and prevent the waste lubricant from flowing into the tie bar in the cover.

請求項２に係る発明は、前記廃潤滑剤受け部材と前記廃潤滑剤誘導部材は連結され、廃潤滑剤受け部材もしくは前記廃潤滑剤誘導部材のいずれか一方が前記可動プラテンに取り付けられ、該可動プラテンの移動とともに前記廃潤滑剤受け部材及び前記廃潤滑剤誘導部材は移動するものとし、しかも、タイバーカバーは前記廃潤滑剤誘導部材に取り付けられているから、可動プラテンへの加工は少なくて済むものとした。   In the invention according to claim 2, the waste lubricant receiving member and the waste lubricant guiding member are connected, and either the waste lubricant receiving member or the waste lubricant guiding member is attached to the movable platen, The waste lubricant receiving member and the waste lubricant guiding member are moved with the movement of the movable platen, and the tie bar cover is attached to the waste lubricant guiding member. I finished it.

請求項３に係る発明は、可動プラテンの金型取り付け面に対して前記廃潤滑剤誘導部材の取り付け位置が調整できるように、前記廃潤滑剤受け部材もしくは前記廃潤滑剤誘導部材の前記可動プラテンの取り付けを長穴と固定用ボルトで取り付けるようにした。請求項４に係る発明は、前記廃潤滑剤誘導部材を、廃潤滑剤を前記廃潤滑剤受け部材に誘導する誘導部とタイバーカバーを取り付けるタイバーカバー取付部に分割し、該誘導部とタイバーカバー取付部の連結は長穴と固定用ボルトを用いて、位置関係が調整可能とした。   The invention according to claim 3 is the movable platen of the waste lubricant receiving member or the waste lubricant guide member so that the attachment position of the waste lubricant guide member can be adjusted with respect to the mold mounting surface of the movable platen. Was installed with a long hole and a fixing bolt. The invention according to claim 4 divides the waste lubricant guide member into a guide portion for guiding the waste lubricant to the waste lubricant receiving member and a tie bar cover mounting portion for mounting the tie bar cover, and the guide portion and the tie bar cover. The connection of the mounting parts can be adjusted by using a long hole and a fixing bolt.

本発明により、成形品が落下する際に散乱してタイバーに接触して、成形品にタイバー表面の潤滑用グリスが付着することを防止するタイバーカバーの内部への潤滑用グリスの流入量を減少させることが可能となるため定期清掃するインターバル期間を延ばすことができる。   According to the present invention, when the molded product falls, it scatters and contacts the tie bar to prevent the lubricating grease on the tie bar surface from adhering to the molded product. Therefore, the interval period for regular cleaning can be extended.

本発明の第１の実施形態の射出成形機の概要図である。1 is a schematic diagram of an injection molding machine according to a first embodiment of the present invention. 本発明の各実施形態で用いるタイバーカバーの外観図である。It is an external view of a tie bar cover used in each embodiment of the present invention. 本発明の第１の実施形態におけるオイルパンの取り付け状態を説明する説明図である。It is explanatory drawing explaining the attachment state of the oil pan in the 1st Embodiment of this invention. 同第１の実施形態における廃潤滑剤誘導部材の誘導部の取付状態を説明する説明図である。It is explanatory drawing explaining the attachment state of the induction | guidance | derivation part of the waste lubricant induction | guidance | derivation member in the 1st embodiment. 同第１の実施形態における廃潤滑剤誘導部材のタイバーカバー取付部の取付状態を説明する説明図である。It is explanatory drawing explaining the attachment state of the tie bar cover attaching part of the waste lubricant guidance member in the 1st embodiment. 同第１の実施形態におけるタイバーカバーを廃潤滑剤誘導部材に取り付けた状態を示す図である。It is a figure which shows the state which attached the tie bar cover in the said 1st Embodiment to the waste lubricant guidance member. 本発明の第２の実施形態の射出成形機の概要図である。It is a schematic diagram of the injection molding machine of the 2nd Embodiment of this invention. 同第２の実施形態における廃潤滑剤誘導部材の取付状態を説明する説明図である。It is explanatory drawing explaining the attachment state of the waste lubricant guide member in the said 2nd Embodiment. 本発明の第３の実施形態の射出成形機の概要図である。It is a schematic diagram of the injection molding machine of the 3rd Embodiment of this invention. 同第３の実施形態におけるオイルパンの配設位置を説明する説明図である。It is explanatory drawing explaining the arrangement | positioning position of the oil pan in the 3rd Embodiment. 同第３の実施形態における廃潤滑剤誘導部材の誘導部の取付状態を説明する説明図である。It is explanatory drawing explaining the attachment state of the induction | guidance | derivation part of the waste lubricant guidance member in the 3rd embodiment. 同第３の実施形態における廃潤滑剤誘導部材のタイバーカバー取付部の取付状態を説明する説明図である。It is explanatory drawing explaining the attachment state of the tie bar cover attaching part of the waste lubricant guidance member in the 3rd embodiment. 同第３の実施形態におけるタイバーカバーを廃潤滑剤誘導部材のタイバーカバー取付部に装着した状態の説明図である。It is explanatory drawing of the state which mounted | wore the tie bar cover attaching part of the waste lubricant guide member with the tie bar cover in the 3rd embodiment.

以下、本発明の実施形態を図面と共に説明する。
図１は、本発明の第１の実施形態の射出成形機の概要図である。図１（ａ）は正面図、図１（ｂ）は図１（ａ）におけるＡＡ断面図、図１（ｃ）は図１（ａ）におけるＢＢ断面図である。図１において符号１は、射出成形機のベース、符号２は射出ユニット、符号３はノズル、符号４は射出ユニット前進後退用ボールねじ、符号５は固定プラテン、符号６はリアプラテン、符号７は可動プラテン、符号８はタイバー、符号９はトグル式の型締装置である。型締装置９は、複数のタイバーに沿って可動プラテン７を前進移動させ、固定プラテン５及び可動プラテン７に取り付けられた金型（図示せず）を閉じ、型締を行い、その後射出ユニット２が樹脂を射出し、成形完了後、型締装置９は可動プラテン７を後退させて金型を開き、成形品を取り出す構成となっている。これらの構成は従来の射出成形機の構成と同じである。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a schematic view of an injection molding machine according to a first embodiment of the present invention. 1A is a front view, FIG. 1B is a sectional view taken along line AA in FIG. 1A, and FIG. 1C is a sectional view taken along line BB in FIG. 1, reference numeral 1 is a base of an injection molding machine, reference numeral 2 is an injection unit, reference numeral 3 is a nozzle, reference numeral 4 is a ball screw for advancing and retreating the injection unit, reference numeral 5 is a fixed platen, reference numeral 6 is a rear platen, and reference numeral 7 is movable. A platen, 8 is a tie bar, and 9 is a toggle type clamping device. The mold clamping device 9 moves the movable platen 7 forward along a plurality of tie bars, closes the fixed platen 5 and the mold (not shown) attached to the movable platen 7, performs mold clamping, and then the injection unit 2. After the resin is injected and the molding is completed, the mold clamping device 9 is configured to retract the movable platen 7 to open the mold and take out the molded product. These configurations are the same as those of a conventional injection molding machine.

本実施形態においては、さらに、タイバー８を覆うカバーと可動プラテン７とタイバー８の摺動部から垂れる廃潤滑剤を受ける機構を設けている点に特徴を有するものである。
可動プラテン７とタイバー８の摺動部にはグリス等の潤滑剤が供給されることから、タイバー８の表面には、該潤滑剤が付着する。成形品を金型から取り出す際、成形品が散乱してタイバー８に接触して、タイバー表面の潤滑用グリスが成形品に付着する場合がある。これを防止するため本実施形態では落下する成形品が接触する恐れのある下方のタイバー８に対して、該タイバー８を覆うタイバーカバー１１（図１では図示せず）を設けている。さらに、このタイバーカバー１１の内部に廃潤滑剤（廃グリス）が流入することを防止するための機構として、廃潤滑剤誘導部材１２及び該廃潤滑剤を受ける受け部材としてのオイルパン１０を備える。 The present embodiment is further characterized in that a cover for covering the tie bar 8, a movable platen 7, and a mechanism for receiving the waste lubricant hanging from the sliding portion of the tie bar 8 are provided.
Since a lubricant such as grease is supplied to the sliding portion of the movable platen 7 and the tie bar 8, the lubricant adheres to the surface of the tie bar 8. When the molded product is taken out from the mold, the molded product may scatter and come into contact with the tie bar 8, and the lubricating grease on the surface of the tie bar may adhere to the molded product. In order to prevent this, in the present embodiment, a tie bar cover 11 (not shown in FIG. 1) for covering the tie bar 8 is provided for the lower tie bar 8 which may come into contact with the falling molded product. Further, as a mechanism for preventing waste lubricant (waste grease) from flowing into the tie bar cover 11, a waste lubricant guide member 12 and an oil pan 10 as a receiving member for receiving the waste lubricant are provided. .

図２は、本実施形態で用いるタイバーカバー１１の外観図である。このタイバーカバー１１は、管状で本体１１ａは蛇腹構造で伸縮自在に形成され、両端には、該タイバーカバー１１をタイバー８で覆うように取り付けるための取付部１１ｂ、１１ｃを備えている。可動プラテン７側に取り付けるための取付部１１ｂはフランジ状に形成され、かつ、２つに分割されている。さらに、一部は屈曲した取付部１１ｂ’を備える。他方の取付部１１ｃは、タイバー８に取り付けるため円環状に形成されている。そして、ファスナー１１ｄが軸方向に配置され、該ファスナー１１ｄを開くことによって該タイバーカバー１１を開き、タイバー８に通して、タイバー８を覆うことができるように構成されている。なお、本実施形態で用いるタイバーカバー１１は固定プラテン側の取り付けは、取付部１１ｃによってタイバー８に取り付けるようにしたが、タイバー８ではなく固定プラテン５に取り付けるようにしてもよい。   FIG. 2 is an external view of the tie bar cover 11 used in the present embodiment. The tie bar cover 11 has a tubular shape, and the main body 11a is formed in a bellows structure so as to be extendable and contractable. At both ends, attachment portions 11b and 11c for attaching the tie bar cover 11 so as to cover the tie bar 8 are provided. A mounting portion 11b for mounting on the movable platen 7 side is formed in a flange shape and is divided into two. Furthermore, a part is provided with the bent attachment part 11b '. The other attachment portion 11 c is formed in an annular shape for attachment to the tie bar 8. A fastener 11d is arranged in the axial direction, and is configured to open the fastener 11d so that the tie bar cover 11 can be opened and passed through the tie bar 8 to cover the tie bar 8. The tie bar cover 11 used in the present embodiment is attached to the fixed platen side by the attachment portion 11c, but may be attached to the fixed platen 5 instead of the tie bar 8.

廃潤滑剤受け部材であるオイルパン１０は、図３に示すように、可動プラテン７の下部に配置され、該可動プラテン７の下面に固定用ボルト１５等で取り付けられ、該可動プラテン７と一緒に移動する構成とされている。可動プラテン７のタイバー摺動部から垂れる廃潤滑剤（以下廃グリスという）を、オイルパン１０にガイドするための廃潤滑剤誘導部材１２が可動プラテン７の下部に配置されている。   As shown in FIG. 3, the oil pan 10 which is a waste lubricant receiving member is disposed at the lower portion of the movable platen 7 and is attached to the lower surface of the movable platen 7 with fixing bolts 15 and the like. It is configured to move to. A waste lubricant guide member 12 for guiding waste lubricant (hereinafter referred to as waste grease) dripping from the tie bar sliding portion of the movable platen 7 to the oil pan 10 is disposed below the movable platen 7.

この廃潤滑剤誘導部材１２は、廃グリスをオイルパン１０にガイドする誘導部１２ａと、タイバーカバー１１を取り付けるタイバーカバー取付部１２ｂの２つの部材で構成されている。図４は廃潤滑剤誘導部材１２の誘導部１２ａの取付状態を説明する説明図であり、図４（ａ）は概要図で、図４（ｂ）は、誘導部１２ａの取付部（図４（ａ）において丸で囲んだ部分）を拡大した説明図である。また、図５は廃潤滑剤誘導部材１２のタイバーカバー取付部１２ｂの取付状態を説明する説明図であり、図５（ａ）は概要図で、図５（ｂ）は、タイバーカバー取付部１２ｂの装着部（図５（ａ）において丸で囲んだ部分）を拡大した説明図である。   The waste lubricant guide member 12 includes two members, a guide portion 12a for guiding waste grease to the oil pan 10 and a tie bar cover mounting portion 12b for mounting the tie bar cover 11. 4A and 4B are explanatory views for explaining a mounting state of the guide portion 12a of the waste lubricant guide member 12, FIG. 4A is a schematic view, and FIG. 4B is a mounting portion of the guide portion 12a (FIG. 4). It is explanatory drawing which expanded the part enclosed with the circle in (a). FIG. 5 is an explanatory view for explaining the mounting state of the tie bar cover mounting portion 12b of the waste lubricant guiding member 12, FIG. 5 (a) is a schematic view, and FIG. 5 (b) is a tie bar cover mounting portion 12b. It is explanatory drawing which expanded the mounting part (part enclosed with a circle in Fig.5 (a)).

誘導部１２ａは、図４に示すように、可動プラテン７の金型取付面側のタイバー下方で、かつ、可動プラテン７のタイバー摺動部の下方に配置され、該可動プラテン７のタイバー摺動部から垂れる廃グリスを受け取り、該廃グリスをオイルパン１０に導くように、底面には傾斜がついており、廃グリスが自重でオイルパンに流入するように樋で構成され、オイルパン１０に設けられた孔１０ｂ（図３参照）と固定用ボルト１５でオイルパン１０に固定されている。さらに、この誘導部１２ａには、タイバーカバー取付部取付用の孔が設けられ、該孔を介して固定用ボルト１５でタイバーカバー取付部１２ｂが固定されている。タイバーカバー取付部１２ｂは可動プラテン７の金型取付面に密着するように構成され、かつ、タイバーカバー１１を取り付けるためのスタッドボルト１２ｅを備えている。   As shown in FIG. 4, the guide portion 12 a is disposed below the tie bar on the mold mounting surface side of the movable platen 7 and below the tie bar sliding portion of the movable platen 7. The bottom surface is inclined so as to receive the waste grease dripping from the section and guide the waste grease to the oil pan 10. The waste grease is provided with the oil pan 10 so that the waste grease flows into the oil pan under its own weight. The hole 10 b (see FIG. 3) and the fixing bolt 15 are fixed to the oil pan 10. Further, the guide portion 12a is provided with a hole for attaching a tie bar cover attaching portion, and the tie bar cover attaching portion 12b is fixed by a fixing bolt 15 through the hole. The tie bar cover mounting portion 12 b is configured to be in close contact with the mold mounting surface of the movable platen 7 and includes a stud bolt 12 e for mounting the tie bar cover 11.

こうした、廃潤滑剤誘導部材１２は、４つのタイバー８の内下側の２つのタイバー８に対する可動プラテン７の摺動部の下方に配置されている。そして、この廃潤滑剤誘導部材１２のタイバーカバー取付部１２ｂにタイバーカバー１１が取り付けられる。図６は、タイバーカバー１１を廃潤滑剤誘導部材１２に取り付けた状態を示す図で、図６（ａ）は概要図、図６（ｂ）は、タイバーカバー取り付け部（図６において丸で囲んだ部分）を拡大した説明図である。
タイバーカバー１１のファスナー１１ｄを開き、タイバー８を覆い、該タイバーカバー１１の端部に設けられたフランジ状の取付部１１ｂに設けられた孔にスタッドボルト１２ｅを通し、固定用ナット１６でタイバーカバー１１の取付部１１ｂを廃潤滑剤誘導部材１２のタイバーカバー取付部１２ｂに取り付け固定する。固定プラテン側には、タイバー８に定期的に給脂する構造が無いので、タイバーカバー取付面に廃グリスが溜まり垂れることがほとんどない。よって、固定プラテン側のタイバーカバー１１の固定手段は、固定プラテンに固定するための固定部材とタイバーカバーを連結する手段でも良い。本実施形態では、タイバーカバー１１の他端（固定プラテン側）の取付部１１ｃを、固定プラテン５の位置のタイバー８に巻きつけて、結束バンド又はホースバンドで連結しタイバー８に固定している。 The waste lubricant guide member 12 is disposed below the sliding portion of the movable platen 7 with respect to the two tie bars 8 on the inner and lower sides of the four tie bars 8. The tie bar cover 11 is attached to the tie bar cover attaching portion 12b of the waste lubricant guiding member 12. 6A and 6B are diagrams showing a state in which the tie bar cover 11 is attached to the waste lubricant guiding member 12, FIG. 6A is a schematic view, and FIG. 6B is a tie bar cover attaching portion (circled in FIG. 6). It is explanatory drawing which expanded the part).
The fastener 11d of the tie bar cover 11 is opened, the tie bar 8 is covered, the stud bolt 12e is passed through the hole provided in the flange-like attachment portion 11b provided at the end of the tie bar cover 11, and the tie bar cover is secured with the fixing nut 16. 11 is attached and fixed to the tie bar cover attaching portion 12b of the waste lubricant guiding member 12. Since there is no structure for periodically supplying grease to the tie bar 8 on the fixed platen side, the waste grease hardly accumulates and hangs down on the tie bar cover mounting surface. Therefore, the fixing means of the fixed platen side tie bar cover 11 may be a means for connecting the fixing member for fixing to the fixed platen and the tie bar cover. In the present embodiment, the attachment portion 11c on the other end (fixed platen side) of the tie bar cover 11 is wound around the tie bar 8 at the position of the fixed platen 5, and is connected to the tie bar 8 by connecting with a binding band or a hose band. .

なお、この実施形態では、可動プラテン７のタイバー８が通るタイバー摺動部は、図３に示すように金型取付面より段差を持って低く形成されており、タイバーカバー１１のフランジ状取付部１１ｂの屈曲部分１１ｂ’が、この段差部分と系合し、タイバーカバー１１を可動プラテンにより強く固定する。また、この段差によって、可動プラテン７のタイバー摺動部の面とタイバーカバー取付部１２ｂとの間に間隙が形成され、廃グリスの通路を形成する。   In this embodiment, the tie bar sliding portion through which the tie bar 8 of the movable platen 7 passes is formed to be lower than the mold mounting surface with a step as shown in FIG. 3, and the flange-shaped mounting portion of the tie bar cover 11 is formed. A bent portion 11b ′ of 11b is combined with the step portion, and the tie bar cover 11 is firmly fixed by the movable platen. Further, due to this step, a gap is formed between the surface of the tie bar sliding portion of the movable platen 7 and the tie bar cover mounting portion 12b, thereby forming a passage for waste grease.

なお、タイバーカバー１１の可動プラテン側の端部の取付部１１ｂを廃潤滑剤誘導部材１２に連結するにあたりタイバーカバー１１の可動プラテン側の取付部ｂと廃潤滑剤誘導部材１２との間に別の部材を介してもよい。さらに、タイバーカバー１１の固定プラテン側の端部を固定プラテン５またはタイバー８に連結するにあたり、タイバーカバー１１の固定プラテン側の端部と固定プラテン５との間に別の部材を介してもよく、タイバーカバー１１の固定プラテン側の端部とタイバー８との間に別の部材を介してもよい。   When connecting the mounting portion 11b at the end of the tie bar cover 11 on the movable platen side to the waste lubricant guiding member 12, a separate portion between the mounting portion b on the movable platen side of the tie bar cover 11 and the waste lubricant guiding member 12 is provided. These members may be interposed. Furthermore, when connecting the fixed platen side end of the tie bar cover 11 to the fixed platen 5 or the tie bar 8, another member may be interposed between the fixed platen side end of the tie bar cover 11 and the fixed platen 5. Another member may be interposed between the fixed platen side end of the tie bar cover 11 and the tie bar 8.

以上のようにして、オイルパン１０、廃潤滑剤誘導部材１２、及びタイバーカバー１１が取り付けられ、射出成形機が成形動作を開始すると、可動プラテン７は、型締装置９により駆動され、タイバー８でガイドされて摺動し、金型の開閉、及び型締がなされる。可動プラテン７の移動によって、可動プラテン７のタイバー摺動部から、廃グリスが垂れると、この廃グリスは可動プラテン７のタイバー摺動部の面とタイバーカバー取付部１２ｂとの間の間隙を通り、廃潤滑剤誘導部材１２の誘導部１２ａに落下し、該誘導部１２ａの傾斜によって廃グリスはオイルパン１０に集められることになるから、廃グリスがタイバーカバー１１の内部に侵入することを防止することができる。これによって、タイバーカバー１１の内部を清掃する必要がない、もしくは清掃する頻度を少なくすることができる。さらに、タイバーカバーの劣化も防止できる。また、可動プラテン７が金型開閉のため前進、後退移動をしても、伸縮するタイバーカバー１１で下方にある２つのタイバー８は覆われていることから、金型から取り出される成形品が落下する際、タイバー８に接触するめことはなく、廃グリスが成形品に付着することはない。
なお、この第１の実施形態では、オイルパン１０を可動プラテン７に取り付け固定し、該オイルパン１０に廃潤滑剤誘導部材１２を取り付け固定したが、オイルパン１０も廃潤滑剤誘導部材１２も可動プラテン７と共に移動するものであるから、逆に、廃潤滑剤誘導部材１２を可動プラテン７に取り付け固定し、廃潤滑剤誘導部材１２にオイルパン１０を取り付け固定するようにしてもよい。
また、廃潤滑剤誘導部材１２は、誘導部１２ａとタイバーカバー取付部１２ｂの２つの部材を固定用ボルト１５等で連結して構成したが、一体的に構成してもよいものである。 As described above, when the oil pan 10, the waste lubricant guiding member 12, and the tie bar cover 11 are attached and the injection molding machine starts the molding operation, the movable platen 7 is driven by the mold clamping device 9, and the tie bar 8 The mold is guided and slid, and the mold is opened and closed and the mold is clamped. When the waste grease hangs down from the tie bar sliding portion of the movable platen 7 due to the movement of the movable platen 7, the waste grease passes through the gap between the surface of the tie bar sliding portion of the movable platen 7 and the tie bar cover mounting portion 12b. The waste grease falls to the guide portion 12a of the waste lubricant guide member 12, and the waste grease is collected in the oil pan 10 by the inclination of the guide portion 12a, so that the waste grease is prevented from entering the tie bar cover 11. can do. Thereby, it is not necessary to clean the inside of the tie bar cover 11, or the frequency of cleaning can be reduced. Furthermore, deterioration of the tie bar cover can be prevented. Even if the movable platen 7 moves forward and backward to open and close the mold, the two tie bars 8 below are covered with the tie bar cover 11 that expands and contracts, so that the molded product taken out from the mold falls. When doing so, the tie bar 8 is not contacted, and the waste grease does not adhere to the molded product.
In the first embodiment, the oil pan 10 is attached and fixed to the movable platen 7, and the waste lubricant guide member 12 is attached and fixed to the oil pan 10. However, the oil pan 10 and the waste lubricant guide member 12 are both fixed. Since the movable platen 7 moves together, the waste lubricant guide member 12 may be attached and fixed to the movable platen 7 and the oil pan 10 may be attached and fixed to the waste lubricant guide member 12.
In addition, the waste lubricant guide member 12 is configured by connecting the two members of the guide portion 12a and the tie bar cover mounting portion 12b with the fixing bolt 15 or the like, but may be configured integrally.

図７は、本発明の第２の実施形態の射出成形機の概要図である。図７（ａ）は正面図、図７（ｂ）は図７（ａ）におけるＡＡ断面図、図７（ｃ）は図７（ａ）におけるＢＢ断面図である。この第２の実施形態は、固定プラテン５、及び可動プラテン７の金型取り付け面に金型断熱板２０ｂ、２０ａが設けられている点と、廃潤滑剤誘導部材１２のタイバーカバー取付部１２ｂの可動プラテン７への取り付け調整機構が設けられている点で相違するのみで、他は第１の実施形態と同じである。
図７（ａ）、（ｂ）に示すように、固定プラテン５、及び可動プラテン７の金型取り付け面に金型断熱板２０ｂ、２０ａがそれぞれ取り付けられている。多くの場合、金型断熱板は、図７に示すようにタイバー以外の盤面の広い範囲を覆うことができるようにタイバーの部分を切り欠いた形状をしている。そのため、金型断熱板を避けてタイバーカバー取付部１２ｂを取り付けることは困難であり、金型断熱板の厚さによってタイバーカバー取付部１２ｂの取付位置を変化させることになる。図８はこの第２の実施形態における廃潤滑剤誘導部材１２の取付状態を説明する説明図であり、図８（ａ）は概要図で、図８（ｂ）は、廃潤滑剤誘導部材１２の取付部（図８（ａ）において丸で囲んだ部分）を拡大した説明図である。
廃潤滑剤誘導部材１２のタイバーカバー取付部１２ｂは、金型取り付け面に密着させて取りつけるものであるから、金型取り付け面に金型断熱板２０ａが設けられると、金型断熱板２０ａの厚さによってタイバーカバー取付部１２ｂの取付位置を変化する必要がある。そこで、この第２の実施形態では、廃潤滑剤誘導部材１２の誘導部１２ａとタイバーカバー取付部１２ｂとの結合部を、長穴のボルト孔１２ｆと固定用ボルト１５で構成し、金型断熱板２０ａの厚さによって固定位置を変えタイバーカバー取付部１２ｂが金型断熱板２０ａの上に密着するように取り付けられる。 FIG. 7 is a schematic diagram of an injection molding machine according to the second embodiment of the present invention. 7A is a front view, FIG. 7B is an AA sectional view in FIG. 7A, and FIG. 7C is a BB sectional view in FIG. 7A. In the second embodiment, the heat insulating plates 20b and 20a are provided on the mold mounting surfaces of the fixed platen 5 and the movable platen 7, and the tie bar cover mounting portion 12b of the waste lubricant guiding member 12 is provided. The only difference is that a mechanism for adjusting the attachment to the movable platen 7 is provided, and the rest is the same as in the first embodiment.
As shown in FIGS. 7A and 7B, mold heat insulating plates 20 b and 20 a are respectively attached to the mold attachment surfaces of the fixed platen 5 and the movable platen 7. In many cases, the mold heat insulating plate has a shape in which a portion of the tie bar is cut out so as to cover a wide range of the board surface other than the tie bar as shown in FIG. Therefore, it is difficult to attach the tie bar cover attaching portion 12b while avoiding the mold heat insulating plate, and the attaching position of the tie bar cover attaching portion 12b is changed depending on the thickness of the die heat insulating plate. FIGS. 8A and 8B are explanatory views for explaining a mounting state of the waste lubricant guiding member 12 in the second embodiment. FIG. 8A is a schematic view and FIG. 8B is a waste lubricant guiding member 12. It is explanatory drawing which expanded the attachment part (part enclosed with the circle in Fig.8 (a)).
Since the tie bar cover mounting portion 12b of the waste lubricant guiding member 12 is attached in close contact with the mold mounting surface, when the mold heat insulating plate 20a is provided on the mold mounting surface, the thickness of the mold heat insulating plate 20a is increased. Accordingly, it is necessary to change the mounting position of the tie bar cover mounting portion 12b. Therefore, in the second embodiment, the coupling portion between the guiding portion 12a of the waste lubricant guiding member 12 and the tie bar cover mounting portion 12b is constituted by the long bolt hole 12f and the fixing bolt 15, and the mold heat insulation. The fixing position is changed depending on the thickness of the plate 20a, and the tie bar cover attaching portion 12b is attached so as to be in close contact with the mold heat insulating plate 20a.

なお、この第２の実施形態では、廃潤滑剤誘導部材１２の誘導部１２ａとタイバーカバー取付部１２ｂとの結合部でタイバーカバー取付部１２ｂの取付位置を調整できるようにしたが、この結合部では調節せず、オイルパン１０と廃潤滑剤誘導部材１２の連結部で調整するようにしてもよい。すなわち、オイルパン１０と廃潤滑剤誘導部材１２の連結部を長穴のボルト孔と固定用ボルトで構成し、この長穴の範囲内で、廃潤滑剤誘導部材１２をオイルパン１０及び可動プラテン７に対してその位置を調整できるようにしてもよい。この場合、廃潤滑剤誘導部材１２は、誘導部１２ａとタイバーカバー取付部１２ｂに分割されることなく一体的に形成されているものでも調整可能である。   In the second embodiment, the mounting position of the tie bar cover mounting portion 12b can be adjusted by the connecting portion between the guiding portion 12a of the waste lubricant guiding member 12 and the tie bar cover mounting portion 12b. Then, the adjustment may be made at the connecting portion between the oil pan 10 and the waste lubricant guiding member 12 without adjustment. That is, the connecting portion between the oil pan 10 and the waste lubricant guide member 12 is constituted by a long hole bolt hole and a fixing bolt, and the waste lubricant guide member 12 is connected to the oil pan 10 and the movable platen within the range of the long hole. 7 may be adjusted in its position. In this case, the waste lubricant guiding member 12 can be adjusted even if it is integrally formed without being divided into the guiding portion 12a and the tie bar cover mounting portion 12b.

図９は、本発明の第３の実施形態の射出成形機の概要図である。図９（ａ）は正面図、図９（ｂ）は図９（ａ）におけるＡＡ断面図、図９（ｃ）は図９（ａ）におけるＢＢ断面図である。図１０は、この第３の実施形態におけるオイルパンの配設位置を説明する説明図である。図１１は廃潤滑剤誘導部材１２の誘導部１２ａの取付状態を説明する説明図であり、図１１（ａ）は概要図で、図１１（ｂ）は、誘導部１２ａの取付部（図１１（ａ）において丸で囲んだ部分）を拡大した説明図である。また、図１２は廃潤滑剤誘導部材１２のタイバーカバー取付部１２ｂの取付状態を説明する説明図であり、図１２（ａ）は概要図で、図１２（ｂ）は、タイバーカバー取付部１２ｂの装着部（図１２（ａ）において丸で囲んだ部分）を拡大した説明図である。図１３はタイバーカバーを廃潤滑剤誘導部材１２のタイバーカバー取付部１２ｂに取り付けた状態の説明図であり、図１３（ａ）は概要図で、図１３（ｂ）は、タイバーカバー取付部の（図１３（ａ）において丸で囲んだ部分）を拡大した説明図である。   FIG. 9 is a schematic view of an injection molding machine according to the third embodiment of the present invention. 9A is a front view, FIG. 9B is an AA sectional view in FIG. 9A, and FIG. 9C is a BB sectional view in FIG. 9A. FIG. 10 is an explanatory view for explaining an arrangement position of the oil pan in the third embodiment. 11A and 11B are explanatory views for explaining the attachment state of the guide portion 12a of the waste lubricant guide member 12, FIG. 11A is a schematic view, and FIG. 11B is the attachment portion of the guide portion 12a (FIG. 11). It is explanatory drawing which expanded the part enclosed with the circle in (a). FIG. 12 is an explanatory view for explaining the attachment state of the tie bar cover attaching portion 12b of the waste lubricant guiding member 12, FIG. 12 (a) is a schematic view, and FIG. 12 (b) is a tie bar cover attaching portion 12b. It is explanatory drawing which expanded the mounting part (part enclosed with a circle in Fig.12 (a)). FIG. 13 is an explanatory view showing a state in which the tie bar cover is attached to the tie bar cover attaching portion 12b of the waste lubricant guiding member 12, FIG. 13 (a) is a schematic view, and FIG. 13 (b) is an illustration of the tie bar cover attaching portion. It is explanatory drawing which expanded (the part enclosed with the circle in Fig.13 (a)).

この第３の実施形態では、オイルパン３０は、図９、図１０に示すように、射出成形機のベース１上に設けられている。そして、廃潤滑剤誘導部材１２の誘導部１２ａが図１１に示すように、固定用ボルト１５で可動プラテン７の側面に取り付けられている。この第３の実施形態では、オイルパン３０は、可動プラテン７に結合されていないから、可動プラテン７とともに移動しない。また、金型が開いて成形品が取り出され、落下するとき、この成形品がオイルパン３０に落ちることを防止するために、オイルパン３０は成形品が落下する領域を避けて後方（リアプラテン６側）に配置されている。そのため、廃潤滑剤誘導部材１２の誘導部１２ａは、第１、第２の実施形態とは異なり、後方へ延長する樋１２ａ’が追加されており、廃グリスをオイルパン３０に流し込む構成となっている。   In the third embodiment, the oil pan 30 is provided on the base 1 of the injection molding machine as shown in FIGS. Then, the guide portion 12a of the waste lubricant guide member 12 is attached to the side surface of the movable platen 7 with a fixing bolt 15 as shown in FIG. In the third embodiment, the oil pan 30 is not coupled to the movable platen 7 and therefore does not move with the movable platen 7. In addition, when the mold is opened and the molded product is taken out and dropped, the oil pan 30 avoids the region where the molded product falls to prevent the molded product from falling into the oil pan 30 (rear platen 6 Side). Therefore, unlike the first and second embodiments, the guide portion 12a of the waste lubricant guide member 12 is provided with a ridge 12a ′ extending backward, and the waste grease is poured into the oil pan 30. ing.

廃潤滑剤誘導部材１２のタイバーカバー取付部１２ｂは、図１２に示すように誘導部１２ａに長穴１２ｆと固定用ボルト１５によって、取り付け位置が調整されて取り付けられ、タイバーカバー取付部１２ｂが可動プラテン７の金型取り付け面（もしくは金型断熱板の面）に密着するよう取り付けられる。タイバーカバー取付部１２ｂのスタッドボルト１２ｅと固定用ナット１６を介してタイバーカバー１１が図１３に示すように取り付けられる点は第１、第２の実施形態と同じである。
なお、この第３の実施形態では、長穴１２ｆと固定用ボルト１５によって誘導部１２ａに対するタイバーカバー取付部１２ｂの取り付け位置を調整するようにしたが、誘導部１２ａに対するタイバーカバー取付部１２ｂは固定または一体的に構成し、タイバーカバー取付部１２ｂを可動プラテン７の金型取り付け面（または金型断熱板面）に密着するよう位置を調整する方法としては、廃潤滑剤誘導部材１２（誘導部１２ａ）と可動プラテン７の連結を長穴と固定用ボルトで構成し、廃潤滑剤誘導部材１２の可動プラテン７への取り付け位置を調整するようにしてもよい。 As shown in FIG. 12, the tie bar cover attaching portion 12b of the waste lubricant guiding member 12 is attached to the guiding portion 12a with its attachment position adjusted by a long hole 12f and a fixing bolt 15, and the tie bar cover attaching portion 12b is movable. The platen 7 is mounted so as to be in close contact with the mold mounting surface (or the surface of the mold heat insulating plate). The point that the tie bar cover 11 is attached as shown in FIG. 13 via the stud bolt 12e of the tie bar cover attaching portion 12b and the fixing nut 16 is the same as in the first and second embodiments.
In the third embodiment, the attachment position of the tie bar cover attachment portion 12b to the guide portion 12a is adjusted by the long hole 12f and the fixing bolt 15. However, the tie bar cover attachment portion 12b to the guide portion 12a is fixed. Alternatively, as a method of integrally configuring and adjusting the position so that the tie bar cover mounting portion 12b is in close contact with the mold mounting surface (or the mold heat insulating plate surface) of the movable platen 7, the waste lubricant guide member 12 (guide portion) 12a) and the movable platen 7 may be connected by a long hole and a fixing bolt, and the attachment position of the waste lubricant guide member 12 to the movable platen 7 may be adjusted.

また、上述した各実施形態では、可動プラテン７のタイバー８が通るタイバー摺動部は、金型取付面より段差を持って低く形成されており、この段差によって、可動プラテン７のタイバー摺動部の面と廃潤滑剤誘導部材１２（タイバーカバー取付部１２ｂ）との間に間隙が形成され、廃グリスがこの間隙を通り廃潤滑剤誘導部材１２に落下することになり、タイバーカバー１１の内部への侵入を防止できるようにしたが、可動プラテンの金型取り付け面に段差がなく、可動プラテン７のタイバー８が通るタイバー摺動部も金型取り付け面と同一の面であると、タイバーカバー取付部１２ｂは、金型取り付け面に密着して取り付けられていることから、上述した各実施形態のように間隙は発生せず、廃グリスはタイバーカバー取付部１２ｂを乗り越えて、タイバーカバー１１の内部に侵入する恐れがある。そのため、段差のない可動プラテンに適用する場合は、タイバーカバー取付部１２ｂの金型取り付け面と接する面に凹部溝を形成し、可動プラテン７のタイバー摺動部から垂れた廃グリスを、この溝を通して、廃潤滑剤誘導部材１２の誘導部１２ａに導くようにすればよい。   Further, in each of the above-described embodiments, the tie bar sliding portion through which the tie bar 8 of the movable platen 7 passes is formed to be lower than the mold mounting surface with a step, and the tie bar sliding portion of the movable platen 7 is formed by this step. And a waste lubricant guiding member 12 (tie bar cover mounting portion 12b), a gap is formed, and the waste grease passes through this gap and falls to the waste lubricant guiding member 12, so that the inside of the tie bar cover 11 The tie bar cover has no step on the mold mounting surface of the movable platen, and the tie bar sliding portion through which the tie bar 8 of the movable platen 7 passes is the same surface as the mold mounting surface. Since the mounting portion 12b is mounted in close contact with the mold mounting surface, no gap is generated as in the above-described embodiments, and the waste grease is placed on the tie bar cover mounting portion 12b. Beyond, there is a risk of entering the interior of the tie bar cover 11. Therefore, when applied to a movable platen without a step, a concave groove is formed on the surface of the tie bar cover mounting portion 12b that contacts the mold mounting surface, and the waste grease dripping from the tie bar sliding portion of the movable platen 7 is removed from the groove. It is only necessary to guide to the guide portion 12a of the waste lubricant guide member 12 through the guide.

本発明は、上述した各実施形態に示すように、可動プラテン７に取り付けるものはオイルパン１０か廃潤滑剤誘導部材１２かのいずれか１つを可動プラテンの側面に取り付けるだけでよく、しかも、タイバーカバー１１は可動プラテン７ではなく廃潤滑剤誘導部材１２に取り付けるものであるから、可動プラテン７を加工する箇所が少なく、従来の射出成形機に容易に取り付けることが可能であり、加工が少ないから、可動プラテンの機能を損なわせることもない。   In the present invention, as shown in each of the embodiments described above, what is attached to the movable platen 7 is only to attach either one of the oil pan 10 or the waste lubricant guiding member 12 to the side surface of the movable platen, Since the tie bar cover 11 is attached not to the movable platen 7 but to the waste lubricant guiding member 12, there are few places where the movable platen 7 is processed, it can be easily attached to a conventional injection molding machine, and processing is less. Therefore, the function of the movable platen is not impaired.

１ 射出成形機のベース
２ 射出ユニット
３ ノズル
４ 射出ユニット前進後退用ボールねじ
５ 固定プラテン
６ リアプラテン
７ 可動プラテン
８ タイバー
９ 型締装置
１０ オイルパン
１１ タイバーカバー
１２ 廃潤滑剤誘導部材
１２ａ 誘導部
１２ｂ タイバーカバー取付部
２０ａ、２０ｂ 金型断熱板
３０ オイルパン DESCRIPTION OF SYMBOLS 1 Base of injection molding machine 2 Injection unit 3 Nozzle 4 Ball screw for injection unit forward / backward movement 5 Fixed platen 6 Rear platen 7 Movable platen 8 Tie bar 9 Clamping device 10 Oil pan 11 Tie bar cover 12 Waste lubricant guide member 12a Guide part 12b Tie bar Cover mounting part 20a, 20b Mold insulation plate 30 Oil pan

Claims (4)

固定プラテンと可動プラテンに取り付けられた金型を、可動プラテンをタイバーに沿って摺動移動させることによって金型の開閉、型閉めを行う射出成形機において、
前記固定プラテンと前記可動プラテンとの間において前記タイバーを覆う伸縮自在のタイバーカバーと、
前記可動プラテンの下方に配置された廃潤滑剤受け部材と、
前記可動プラテンの金型取付面側のタイバー下方に配置され前記可動プラテンとともに移動し、可動プラテンのタイバー摺動部から生じ落下する廃潤滑剤を前記廃潤滑剤受け部材に導く廃潤滑剤誘導部材とを備え、
前記タイバーカバーの可動プラテン側の端部は前記廃潤滑剤誘導部材に連結され、前記タイバーカバーの固定プラテン側の端部は前記固定プラテンまたは前記タイバーに連結されることを特徴とするタイバーカバーを備えた射出成形機。 In an injection molding machine that opens and closes and closes a mold by sliding a movable platen along a tie bar with a mold attached to a fixed platen and a movable platen,
A telescopic tie bar cover covering the tie bar between the fixed platen and the movable platen;
A waste lubricant receiving member disposed below the movable platen;
A waste lubricant guiding member that is disposed below the tie bar on the mold mounting surface side of the movable platen and moves together with the movable platen and guides the waste lubricant that drops from the tie bar sliding portion of the movable platen to the waste lubricant receiving member. And
An end portion on the movable platen side of the tie bar cover is connected to the waste lubricant guiding member, and an end portion on the fixed platen side of the tie bar cover is connected to the fixed platen or the tie bar. Equipped with an injection molding machine. 前記廃潤滑剤受け部材と前記廃潤滑剤誘導部材は連結され、前記廃潤滑剤受け部材もしくは前記廃潤滑剤誘導部材のいずれか一方が前記可動プラテンに取り付けられ、該可動プラテンの移動と共に前記廃潤滑剤受け部材及び前記廃潤滑剤誘導部材は移動する請求項１に記載のタイバーカバーを備えた射出成形機。   The waste lubricant receiving member and the waste lubricant guiding member are connected, and either the waste lubricant receiving member or the waste lubricant guiding member is attached to the movable platen, and the waste platen is moved along with the movement of the movable platen. The injection molding machine having a tie bar cover according to claim 1, wherein the lubricant receiving member and the waste lubricant guiding member move. 可動プラテンの金型取り付け面に対して前記廃潤滑剤誘導部材の取り付け位置が調整できるように
前記廃潤滑剤受け部材もしくは前記廃潤滑剤誘導部材の前記可動プラテンの取り付けは長穴と固定用ボルトを用いて取り付けられている請求項２に記載のタイバーカバーを備えた射出成形機。 In order to be able to adjust the mounting position of the waste lubricant guide member with respect to the mold mounting surface of the movable platen, the movable platen is mounted on the waste lubricant receiving member or the waste lubricant guide member by installing a long hole and a fixing bolt. An injection molding machine comprising the tie bar cover according to claim 2, which is attached using 前記廃潤滑剤誘導部材は、廃潤滑剤を前記廃潤滑剤受け部材に誘導する誘導部と、タイバーカバーを取り付けるタイバーカバー取付部に分割され、該誘導部とタイバーカバー取付部は長穴と固定用ボルトを用いて、位置関係が調整可能に連結されている請求項１または請求項２に記載のタイバーカバーを備えた射出成形機。   The waste lubricant guide member is divided into a guide portion for guiding the waste lubricant to the waste lubricant receiving member and a tie bar cover mounting portion for attaching a tie bar cover, and the guide portion and the tie bar cover mounting portion are fixed to a long hole. The injection molding machine provided with the tie bar cover according to claim 1 or 2, wherein the positional relationship is connected so as to be adjustable using a bolt.
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