JP5372483B2 - Mold fall prevention device - Google Patents

Mold fall prevention device Download PDF

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JP5372483B2
JP5372483B2 JP2008318051A JP2008318051A JP5372483B2 JP 5372483 B2 JP5372483 B2 JP 5372483B2 JP 2008318051 A JP2008318051 A JP 2008318051A JP 2008318051 A JP2008318051 A JP 2008318051A JP 5372483 B2 JP5372483 B2 JP 5372483B2
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mold
fall prevention
prevention member
stopper
state
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JP2010137978A (en
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計二 ▲高▼畑
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Johnan Manufacturing Co Ltd
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Johnan Manufacturing Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a metal mold falling preventive device capable of preventing a metal mold stored in a metal mold rack from unexpectedly falling. <P>SOLUTION: This metal mold falling preventive device includes a falling preventive member 8 for rotatably journaling the lower end in a rising-up state of checking the falling of the metal mold 4 and a falling-down state of not checking the falling of the metal mold 4, and a stopper 9 for holding the rising-up state of the falling preventive member 8, in front of the metal mold 4 placed on the metal mold rack 1. The falling preventive member 8 can prevent the metal mold 4 stored in the metal mold rack 1 from unexpectedly falling for supporting a front part of the metal mold 4 by becoming the rising-up state in front of the metal mold 4. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

本発明は、金型ラックに保管されている金型が不測に落下してしまうことを防止する金型落下防止装置に関する。   The present invention relates to a mold drop prevention device for preventing a mold stored in a mold rack from dropping unexpectedly.

例えば、プラスチック製品の成形工場やプレス工場等においては、射出成形用金型、プレス用金型等の多数の金型を使用しない場合には、金型ラック（金型保管棚）に保管している。なお、金型ラックとしては、金型の保管棚からの出し入れを自動化したり、台車を用いて比較的弱い力で移動できるようにしたものが公知となっている（特許文献１〜３）。   For example, in plastic product molding factories and press factories, when many molds such as injection molds and press molds are not used, store them in a mold rack (mold storage shelf). Yes. In addition, as a mold rack, what made it possible to automate taking in / out of a mold from a storage shelf or move with a relatively weak force using a cart is known (Patent Documents 1 to 3).

特開平６−３４０３０９号公報JP-A-6-340309 特開２００６−２０５４８６号公報JP 2006-205486 A 特開２００６−２１９２１１号公報JP 2006-219211 A

しかし、従来の金型ラックでは、金型ラックの載置部に載置されている金型が、例えば、地震により金型ラックごと揺すられた場合、不測に落下してしまうことを防止できる機構が設けられていなかった。   However, in a conventional mold rack, a mechanism that can prevent the mold placed on the mold rack mounting portion from unexpectedly dropping when the mold rack is shaken together with, for example, an earthquake. Was not provided.

そこで、本発明の目的は、金型ラックに保管されている金型が不測に落下してしまうことを防止できる金型落下防止装置を提供することにある。   Therefore, an object of the present invention is to provide a mold fall prevention device that can prevent a mold stored in a mold rack from dropping unexpectedly.

請求項１に係る金型落下防止装置は、上記課題を解決するために、金型ラックに載置されている金型の落下を阻止する起立状態と前記金型の落下を阻止しない倒伏状態とに回動可能に下端を軸支された落下防止部材と、前記落下防止部材の前記起立状態を保持するストッパと、前記金型ラックに取り付けられる取付ベースと、を備え、前記ストッパは、前記落下防止部材の回動軌跡に干渉して前記落下防止部材の前記起立状態を保持するロック位置と、ロック解除位置とに回動可能に設けられ、前記取付ベースに前記ストッパをロック位置に保持する凹部が形成されていることを特徴とする。
In order to solve the above-described problem, the mold fall prevention device according to claim 1 is an upright state that prevents the mold placed on the mold rack from falling and a lying state that does not prevent the mold from dropping. comprising a rotatably fall preventing member which is pivotally supported to the lower end, and a stopper for holding the raised state of the fall preventing member, the mounting base that is attached to the mold rack, to said stopper, said drop A recess that is rotatably provided between a lock position that holds the standing state of the fall prevention member by interfering with a turning locus of the prevention member and a lock release position, and that holds the stopper at the lock position on the mounting base. Is formed .

請求項２に係る金型落下防止装置は、金型ラックに載置されている金型の落下を阻止する起立状態と前記金型の落下を阻止しない倒伏状態とに回動可能に下端を軸支された落下防止部材と、前記落下防止部材の前記起立状態を保持するストッパと、前記落下防止部材と一体に回動する操作杆と、を備え、前記ストッパは、前記操作杆の下端に形成されたフックと、前記金型ラックに形成された掛止部とからなり、前記フックと前記掛止部との係合により、前記落下防止部材の前記起立状態が保持されることを特徴とするものである。
According to a second aspect of the present invention, there is provided a mold fall prevention device, wherein the lower end is pivotable between an upright state that prevents the mold placed on the mold rack from falling and a fallen state that does not prevent the mold from falling. A fall-preventing member that is supported; a stopper that holds the standing-up state of the fall-preventing member; and an operating rod that rotates integrally with the falling-preventing member, wherein the stopper is formed at a lower end of the operating rod. And a hook portion formed on the mold rack, and the standing state of the fall prevention member is maintained by the engagement between the hook and the hook portion. Is.

請求項１に係る金型落下防止装置によれば、倒伏状態にある落下防止部材を回動して起立状態とすると、落下防止部材が金型ラックに載置されている金型の落下を阻止する起立状態となり、ストッパによって落下防止部材の起立状態を保持することにより、落下防止部材によって金型が支えられるため、金型ラックに保管されている金型が不測に落下してしまうことを防止できる。   According to the mold fall prevention device according to claim 1, when the fall prevention member in the lying state is turned to the standing state, the fall prevention member prevents the mold placed on the mold rack from dropping. Since the mold is supported by the fall prevention member by holding the fall prevention member upright by the stopper, the mold stored in the mold rack is prevented from unexpectedly dropping. it can.

また、落下防止部材を回動して起立状態とした後、ストッパをロック位置に回動すると、ストッパが落下防止部材の回動を規制する位置に移動して落下防止部材の起立状態を保持できる一方、金型を出し入れする際には、ストッパをロック解除位置に回動した後、落下防止部材を回動して倒伏状態とすると、落下防止部材を金型の落下を阻止しない位置とすることができる。よって、金型の落下防止時と金型の出し入れ時との切替を、簡単な操作で実現することができる。
 In addition , after the fall prevention member is rotated to be in an upright state, when the stopper is rotated to the lock position, the stopper can be moved to a position for restricting the rotation of the fall prevention member to hold the fall prevention member in the upright state. On the other hand, when putting in and out the mold, after turning the stopper to the unlocking position, if the fall prevention member is turned into a fallen state, the fall prevention member should be in a position that does not prevent the mold from dropping. Can do. Therefore, switching between when the mold is prevented from dropping and when the mold is inserted and removed can be realized with a simple operation.

さらに、ストッパをロック位置に回動すると、金型ラックに取り付けられる取付ベースに形成された凹部にストッパが保持されることにより、ストッパが落下防止部材の回動を規制する位置に保持され、落下防止部材の起立状態を保持できる。取付ベースに凹部を形成するだけの簡単な構造で、落下防止部材の起立状態及びストッパのロック位置を確実に保持することができる。
 Furthermore, when the stopper is rotated to the lock position, the stopper is held in a recess formed in the mounting base that is attached to the mold rack, so that the stopper is held at a position that restricts the rotation of the fall prevention member. The standing state of the prevention member can be maintained. With a simple structure in which a recess is formed in the mounting base, the standing state of the fall prevention member and the locked position of the stopper can be reliably held.

請求項２に係る金型落下防止装置によれば、操作杆を操作すると、操作杆と一体に落下防止部材が回動して起立状態とすることができ、落下防止部材を起立状態とした後、操作杆の下端に形成されたフックを、金型ラックに形成された掛止部に係止することにより、落下防止部材の起立状態を保持することができる。金型の出し入れの際には、操作杆の下端のフックを掛止部から外し、操作杆を逆の方向に操作すると、操作杆と一体に落下防止部材が回動して倒伏状態とすることができる。よって、操作杆を介して軽く操作ができるので、操作時間がかからない。
According to the mold drop prevention device according to claim 2 , when the operation rod is operated, the fall prevention member can be rotated integrally with the operation rod to be in an upright state, and after the fall prevention member is in the upright state. By holding the hook formed on the lower end of the operating rod to the latching portion formed on the mold rack, the standing state of the fall prevention member can be maintained. When inserting / removing the mold, remove the hook at the lower end of the operating rod from the hook and operate the operating rod in the opposite direction. Can do. Therefore, since it can be operated lightly through the operation rod, it does not take operation time.

以下、本発明の実施の形態を図面を参照して説明する。図１は本発明の実施形態に係る金型落下防止装置を備えた金型ラックの正面図である。金型ラック１は、使用しない金型（例えば、射出成形用金型、プレス用金型等）４を整理保管するための保管棚である。金型ラック１は、前後左右に所定間隔を開けて上下方向に立設された複数の支柱２と、金型ラック１の長手方向に沿って各支柱２、２間において上下に金型収納スペースとしての間隔を開けて横架された複数の横桟３とを備えている。図１においては、金型ラック１は中段及び上段の２段の金型収納スペースが図示されている。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a front view of a mold rack provided with a mold drop prevention device according to an embodiment of the present invention. The mold rack 1 is a storage shelf for organizing and storing unused molds (for example, injection molds, press molds, etc.) 4. The mold rack 1 includes a plurality of support columns 2 erected in a vertical direction with predetermined intervals in the front, rear, left, and right, and a mold storage space vertically between the support columns 2 and 2 along the longitudinal direction of the mold rack 1. And a plurality of horizontal rails 3 which are horizontally installed with a gap therebetween. In FIG. 1, the mold rack 1 has a two-stage mold storage space of a middle stage and an upper stage.

金型ラック１の前後の横桟３間にはパレット５が載置され、パレット５上には金型４が載置されている。金型４は、パレット５上に載置された状態で、フォークリフト（図示せず、フォークをパレットの孔部に差し込んで持ち上げること）によりパレットと一緒に金型ラック１の収納スペースから出し入れされる。   A pallet 5 is placed between the horizontal rails 3 before and after the mold rack 1, and a mold 4 is placed on the pallet 5. The mold 4 is put in and out of the storage space of the mold rack 1 together with the pallet by a forklift (not shown, lifted by inserting the fork into a hole of the pallet) while being placed on the pallet 5. .

金型落下防止装置６は、金型ラック１に載置されている金型４が落下してしまうことを防止するものであって、金型ラック１の中段及び上段の各横桟３の正面（前面）に配設されている。   The mold fall prevention device 6 prevents the mold 4 placed on the mold rack 1 from dropping, and the front of each horizontal rail 3 in the middle and upper stages of the mold rack 1. (Front surface).

［第１実施形態］
次に、図１において、中段の横桟３の前面に配設されている第１実施形態の金型落下防止装置６について説明する。第１実施形態の金型落下防止装置６は、作業者が手で作業を行える程度の高さに配置されている。図２は第１実施形態の金型落下防止装置６の拡大正面図であり、図３は金型落下防止装置６の拡大側面図であり、図４は金型落下防止装置６の拡大平面図である。 [First Embodiment]
Next, in FIG. 1, the mold drop prevention device 6 according to the first embodiment disposed on the front surface of the middle horizontal rail 3 will be described. The mold fall prevention device 6 of the first embodiment is arranged at a height that allows an operator to perform work by hand. 2 is an enlarged front view of the mold drop prevention device 6 according to the first embodiment, FIG. 3 is an enlarged side view of the mold fall prevention device 6, and FIG. 4 is an enlarged plan view of the mold fall prevention device 6. It is.

金型落下防止装置６は、概略として、金型ラック１の横桟３の前面に対して取り付けられる取付ベース７と、金型ラック１に収納されている金型４の前方において、金型４の落下を阻止する起立状態と、金型４の落下を阻止しない倒伏状態との間で手動で回動可能に、取付ベース７に下端を前後方向の軸によって軸支された落下防止部材８と、手動操作により、落下防止部材８の起立状態を保持するロック位置と、落下防止部材８の起立状態から倒伏状態への回動を阻止しないロック解除位置とに移動可能に設けられたストッパ９とを備えている。   The mold drop prevention device 6 generally includes a mounting base 7 attached to the front surface of the horizontal rail 3 of the mold rack 1 and a mold 4 in front of the mold 4 housed in the mold rack 1. A fall-preventing member 8 whose lower end is pivotally supported on the mounting base 7 by a longitudinal axis so as to be manually rotatable between a standing state that prevents the metal mold 4 from falling and a lying state that does not prevent the mold 4 from falling. A stopper 9 provided so as to be movable to a lock position for holding the fall-preventing member 8 in a standing state and a lock-release position for preventing the fall-preventing member 8 from rotating from the standing state to the lying down state by manual operation; It has.

取付ベース７は、図３に示すように、横桟３の前面に対して取り付けられる背板１０と、背板１０の前方に対向する前板１１と、背板１０の下端と前板１１の下端とを連接する底板１２とを一体に備え、上方及び左右の側方が開放されている。背板１０の左右両側寄りには取付用孔１３、１３がぞれぞれ穿設され（図２〜図４参照）、取付ベース７は、取付用孔１３、１３に対してボルト（図示せず）ナット（図示せず）を用いて金型ラック１の横桟３の前面に対して取り付けられる。背板１０の一側寄りにはストッパ支持部１４が前方に向けて突設され、ストッパ支持部１４には左右方向に支軸孔１５が設けられている。   As shown in FIG. 3, the mounting base 7 includes a back plate 10 attached to the front surface of the horizontal rail 3, a front plate 11 facing the front of the back plate 10, a lower end of the back plate 10, and a front plate 11. A bottom plate 12 connecting the lower end is integrally provided, and the upper and left and right sides are open. Mounting holes 13 and 13 are formed near the left and right sides of the back plate 10 (see FIGS. 2 to 4), and the mounting base 7 is bolted to the mounting holes 13 and 13 (not shown). 1) It is attached to the front surface of the horizontal rail 3 of the mold rack 1 using a nut (not shown). A stopper support portion 14 projects forward from one side of the back plate 10, and a support shaft hole 15 is provided in the stopper support portion 14 in the left-right direction.

図２に示すように、取付ベース７の前板１１の上端縁には、前板１１の中央に向けてＵ字状に切り欠かれたストッパ挿入溝１６（請求項３に記載の凹部に相当する）が形成され、ストッパ挿入溝１６は上方に開放されている。また、図２〜図４に示すように、前板１１の他側寄りの中央部には支持孔１７が設けられ、前板１１の他側寄りの前面には、落下防止部材８が配設されている。 As shown in FIG. 2, the upper end edge of the front plate 11 of the mounting base 7 has a stopper insertion groove 16 cut out in a U-shape toward the center of the front plate 11 (corresponding to the concave portion according to claim 3). The stopper insertion groove 16 is opened upward. As shown in FIGS. 2 to 4, a support hole 17 is provided in the central portion near the other side of the front plate 11, and a fall prevention member 8 is disposed on the front surface near the other side of the front plate 11. Has been.

落下防止部材８は、起立状態で、その上端が金型４の厚み方向中央から上端面に達する程度の長さの長尺な角材であり、本実施形態では角パイプで構成されている。落下防止部材８の下端部中央には前後方向に軸孔１８が設けられ、落下防止部材８の下端縁の一側部には角がカットされた丸み部１９が形成されている。   The fall prevention member 8 is a long square member whose length is such that its upper end reaches the upper end surface from the center in the thickness direction of the mold 4 in a standing state, and is constituted by a square pipe in this embodiment. A shaft hole 18 is provided in the center of the lower end portion of the fall prevention member 8 in the front-rear direction, and a rounded portion 19 having a cut corner is formed on one side portion of the lower end edge of the fall prevention member 8.

前板１１の支持孔１７には前板１１の裏面から支軸としてのボルト２０が挿通され、さらにボルト２０が落下防止部材８の軸孔１８に挿通され、落下防止部材８の前方から、ボルト２０の先端に平座金２７とバネ座金２１が順に挿通され、ボルト２０の先端からナット２２が螺合されてナット２２がボルト２０へ締め込まれ、さらにボルト２０の先端からナット２８が螺合されてナット２８がボルト２０へ締め込まれる。これにより、落下防止部材８の下端部が取付ベース７の前板１１の前面に回動可能に軸支される。   A bolt 20 as a support shaft is inserted into the support hole 17 of the front plate 11 from the back surface of the front plate 11, and the bolt 20 is further inserted into the shaft hole 18 of the fall prevention member 8. A flat washer 27 and a spring washer 21 are inserted in order at the tip of the bolt 20, the nut 22 is screwed from the tip of the bolt 20, the nut 22 is fastened to the bolt 20, and the nut 28 is screwed from the tip of the bolt 20. Thus, the nut 28 is fastened to the bolt 20. Thereby, the lower end part of the fall prevention member 8 is pivotally supported by the front surface of the front plate 11 of the mounting base 7 so that rotation is possible.

なお、平座金２７は、バネ座金２１の角が直接に落下防止部材８に当接させないための受けである。また、ナット２８は、ナット２２が緩むのを規制する緩み止めである。また、バネ座金２１による付勢力により、落下防止部材８の裏面を前板１１の前面に向けて押圧し、この押圧力により落下防止部材８の起立状態にある場合に摩擦力によって状態保持を可能としている。また、落下防止部材８は、手動によりボルト２０の回りに回動可能である。   The flat washer 27 is a receiver for preventing the corners of the spring washer 21 from directly contacting the fall prevention member 8. The nut 28 is a loosening prevention that restricts the nut 22 from loosening. Further, the back surface of the fall prevention member 8 is pressed toward the front surface of the front plate 11 by the urging force of the spring washer 21, and the state can be maintained by the frictional force when the fall prevention member 8 is in an upright state by this pressing force. It is said. The fall prevention member 8 can be rotated around the bolt 20 manually.

ストッパ９は、丸棒よりなると共にその先端部分が前板１１のストッパ挿入溝１６に挿入されるロック部２３とされ、他端が略直角に折曲されて軸部２４とされ、手動により操作可能なレバーとされている。ストッパ９は、軸部２４が背板１０に形成されたストッパ支持部１４の支軸孔１５に他側方向から挿入されて回動自在に支持され、軸部２４の先端がカシメ止めされて抜け止めされている。なお、ストッパ９は、軸部２４を中心として手動でロック部２３を回動することができる。   The stopper 9 is formed of a round bar, and its tip is a lock portion 23 inserted into the stopper insertion groove 16 of the front plate 11, and the other end is bent at a substantially right angle to form a shaft portion 24, which is manually operated. It is considered a possible lever. The stopper 9 is inserted into the support shaft hole 15 of the stopper support portion 14 formed on the back plate 10 from the other side of the stopper 9 so as to be rotatably supported, and the tip end of the shaft portion 24 is swaged and removed. It has been stopped. The stopper 9 can manually rotate the lock portion 23 around the shaft portion 24.

取付ベース７の底板１２の裏面両端の前縁寄りには、前方に向けて落下防止部材８の回動軌道に延伸した規制板２５、２６がそれぞれ設けられている（図２〜図４参照）。   Regulating plates 25 and 26 extending toward the rotation path of the fall prevention member 8 toward the front are provided near the front edges of both ends of the back surface of the bottom plate 12 of the mounting base 7 (see FIGS. 2 to 4). .

［落下防止部材８の作用］
以上のように構成された落下防止部材８の作用について説明する。図１に示すように、落下防止部材８が起立状態であるときには、落下防止部材８が金型ラック１に載置されている金型４の前方において起立状態となって金型４の前部を支えるため、金型ラック１に保管されている金型４が不測に落下してしまうことを防止できる。 [Action of fall prevention member 8]
The operation of the fall prevention member 8 configured as described above will be described. As shown in FIG. 1, when the fall prevention member 8 is in a standing state, the fall prevention member 8 is in a standing state in front of the mold 4 placed on the mold rack 1 and the front part of the mold 4. Therefore, the mold 4 stored in the mold rack 1 can be prevented from unexpectedly dropping.

また、図２〜図４に示すように、ストッパ９のロック部２３が前板１１のストッパ挿入溝１６に挿入されているロック位置にある場合には、ロック部２３が前板１１の前面から前方に突出されて落下防止部材８の回動を規制する位置に配置される。ストッパ９のロック部２３が落下防止部材８の起立状態から倒伏状態への回動方向（図２の時計方向）に面する側面にストッパ９のロック部２３が近接して配置されるため、落下防止部材８がボルト２０の回りに起立状態から倒伏状態へ回動した場合にロック部２３に当接し、落下防止部材８の回動がロック部２３で規制されてそれ以上の時計方向の回動が不可能であるため、落下防止部材８の起立状態が保持される。   As shown in FIGS. 2 to 4, when the lock portion 23 of the stopper 9 is in the locked position where it is inserted into the stopper insertion groove 16 of the front plate 11, the lock portion 23 is removed from the front surface of the front plate 11. It is arranged at a position that protrudes forward and restricts the rotation of the fall prevention member 8. Since the lock portion 23 of the stopper 9 is disposed close to the side surface facing the rotation direction (clockwise direction in FIG. 2) of the fall prevention member 8 from the standing state to the lying down state (clockwise direction in FIG. 2), When the prevention member 8 rotates around the bolt 20 from the standing state to the lying state, it comes into contact with the lock portion 23, and the rotation of the fall prevention member 8 is restricted by the lock portion 23, and the clockwise rotation is further performed. Is impossible, the standing state of the fall prevention member 8 is maintained.

なお、落下防止部材８のボルト２０の回りの反時計方向への回動は、図２において左側の規制板２５に落下防止部材８の下端面が当接することにより回動位置が規制されるため、ほぼ起立状態に保持される。   The anti-clockwise rotation of the fall prevention member 8 around the bolt 20 is restricted because the lower end surface of the fall prevention member 8 abuts against the left regulation plate 25 in FIG. , Being held almost upright.

金型ラック１に対して金型４を出し入れする際には、まず、手動によりストッパ９のロック部２３を上方に持ち上げて回動させると（図３において時計方向に回動させると）、ロック部２３がストッパ挿入溝１６より離脱し、さらにロック部２３を回動させて起立状態とすると、落下防止部材８の起立状態から倒伏状態への回動を阻止しないロック解除位置とすることができる。次いで、手動により、起立状態にある落下防止部材８を図２の時計方向に回動させると、落下防止部材８が図２において右側の規制板２６に落下防止部材８の一側面が当接することにより回動位置が規制されて落下防止部材８が略水平となる倒伏状態とすることができる。   When the mold 4 is inserted into and removed from the mold rack 1, first, the lock portion 23 of the stopper 9 is manually lifted upward and rotated (clockwise in FIG. 3) to lock. When the portion 23 is detached from the stopper insertion groove 16 and the lock portion 23 is further rotated to be in the standing state, the lock preventing position can be set so as not to prevent the fall prevention member 8 from rotating from the standing state to the lying down state. . Next, when the fall prevention member 8 in the standing state is manually rotated in the clockwise direction in FIG. 2, the fall prevention member 8 comes into contact with one side surface of the fall prevention member 8 on the right regulation plate 26 in FIG. 2. Thus, the rotation position is restricted, and the fall prevention member 8 can be in a lying state where it is substantially horizontal.

落下防止部材８が倒伏状態にあるときには、落下防止部材８の長手方向が金型ラック１の横桟３の前方に横桟３の長手方向に沿う状態となるため、金型４の落下を阻止することはなく、落下防止部材８が保管されている金型４の前方から下方に退避し、金型４の出し入れの際に障害となることはない。このように、金型４の落下防止時と金型４の出し入れ時との切替を、手動による簡単な操作で実現することができる。   When the fall prevention member 8 is in a lying state, the longitudinal direction of the fall prevention member 8 is in a state along the longitudinal direction of the horizontal beam 3 in front of the horizontal beam 3 of the mold rack 1, so that the mold 4 is prevented from falling. The fall prevention member 8 is retracted from the front of the mold 4 in which the fall prevention member 8 is stored, and does not become an obstacle when the mold 4 is put in and out. In this way, switching between preventing the mold 4 from dropping and switching the mold 4 in and out can be realized by a simple manual operation.

［第２実施形態］
次に、図１において、上段の横桟３の前面に配設されている第２実施形態の金型落下防止装置３０について説明する。第２実施形態の金型落下防止装置３０は、作業者が手で直接作業を行うことができない高さに配置されている。図５は第２実施形態の金型落下防止装置３０の拡大正面図である（落下防止部材８が起立状態）。また、図６は第２実施形態の金型落下防止装置３０の拡大正面図である（落下防止部材８が倒伏状態）。 [Second Embodiment]
Next, referring to FIG. 1, a die fall prevention device 30 according to a second embodiment that is disposed on the front surface of the upper horizontal rail 3 will be described. The mold fall prevention device 30 of the second embodiment is arranged at a height at which an operator cannot directly perform work by hand. FIG. 5 is an enlarged front view of the mold fall prevention device 30 of the second embodiment (the fall prevention member 8 is in an upright state). FIG. 6 is an enlarged front view of the mold drop prevention device 30 of the second embodiment (the fall prevention member 8 is in a lying state).

第２実施形態の金型落下防止装置３０は、第１実施形態の金型落下防止装置６が備えているストッパ９、ストッパ支持部１４、前板１１に形成されたストッパ挿入溝１６を備えておらず、落下防止部材８の前面に該落下防止部材８と一体に回動する手動操作用の操作杆３１が設けられ、操作杆３１の下端に形成されたフック３９と、金型ラック１の支柱２に形成された掛止部４０とによりストッパ３８が構成され、フック３９を掛止部４０に係止させることにより、落下防止部材８の起立状態が保持される点が異なる。また、第１実施形態と同じ構成要素には同一の符号を付してあり、詳細な説明は省略する。   The mold fall prevention device 30 of the second embodiment includes a stopper 9 provided in the mold fall prevention device 6 of the first embodiment, a stopper support portion 14, and a stopper insertion groove 16 formed in the front plate 11. In addition, an operation rod 31 for manual operation that rotates integrally with the fall prevention member 8 is provided on the front surface of the fall prevention member 8, and a hook 39 formed at the lower end of the operation rod 31 and the mold rack 1 A stopper 38 is configured by the latching portion 40 formed on the support column 2, and the hook 39 is locked to the latching portion 40, and the standing state of the fall prevention member 8 is maintained. Moreover, the same code | symbol is attached | subjected to the same component as 1st Embodiment, and detailed description is abbreviate | omitted.

図５において、操作杆３１は、金型ラック１の支柱２の長手方向に沿って配置された上下方向に長尺の縦棒３２と、縦棒３２の上端から水平方向に向けて直角に折曲されて落下防止部材８まで延伸された横棒３３と、横棒３３の先端から上方に向けて直角に折曲されて落下防止部材８の長手方向に沿って配置された取付棒３４とを有し、補強のために、取付棒３４の上端と横棒３３の中間部とに亘って斜め棒３５が、例えば、溶接により固着されると共に、縦棒３２の上端寄りと横棒３３の中間部に亘って斜め棒３６が、例えば、溶接により固着され、トラス構造となっている。なお、横棒３３、取付棒３４、斜め棒３５及び斜め棒３６は、金属製の丸棒で構成されている。また、縦棒３２は、強度を持たすため、中間部分がパイプ３７で形成され、パイプ３７の上端及び下端にそれぞれ金属製の丸棒が連結された構造となっている。   In FIG. 5, the operating rod 31 is vertically folded from the upper end of the vertical bar 32, which is arranged along the longitudinal direction of the column 2 of the mold rack 1, and is folded at right angles from the upper end of the vertical bar 32 toward the horizontal direction. A horizontal bar 33 that is bent and extended to the fall prevention member 8, and a mounting bar 34 that is bent at a right angle upward from the tip of the horizontal bar 33 and arranged along the longitudinal direction of the fall prevention member 8. For the purpose of reinforcement, the slanted bar 35 is fixed by welding, for example, between the upper end of the mounting bar 34 and the middle part of the horizontal bar 33, and between the upper end side of the vertical bar 32 and the middle of the horizontal bar 33. The diagonal bar 36 is fixed by welding, for example, to form a truss structure. In addition, the horizontal bar 33, the mounting bar 34, the diagonal bar 35, and the diagonal bar 36 are comprised with the metal round bar. Further, the vertical bar 32 has a structure in which an intermediate portion is formed by a pipe 37 in order to have strength, and a metal round bar is connected to an upper end and a lower end of the pipe 37.

操作杆３１は、落下防止部材８の前面に当接する取付棒３４と、横棒３３の先端部分とが、落下防止部材８の前面に、例えば、溶接等により一体に固着されている。このため、落下防止部材８がボルト２０の回りに回動すると、操作杆３１は落下防止部材８と一体に回動する。   In the operation rod 31, the mounting rod 34 that contacts the front surface of the fall prevention member 8 and the tip portion of the horizontal bar 33 are integrally fixed to the front surface of the fall prevention member 8 by, for example, welding. For this reason, when the fall prevention member 8 rotates around the bolt 20, the operation rod 31 rotates integrally with the fall prevention member 8.

操作杆３１の下端に形成されたフック３９は、操作杆３１の下端を手前方向から上方に向けて屈曲されて形成されている。また、図７は掛止部４０を拡大して示す平面図である。掛止部４０は、支柱２の前面から前方に延び出した互いに向き合う２本の支脚部４１、４１と、支柱２の幅方向に沿って支脚部４１、４１間に亘るベース４２と、ベース４２の左右両端から前方に向けてそれぞれ延び出した基部４３と、基部４３の先端から支柱２の幅方向中央に向けてそれぞれ折曲された互いに向き合う２つの引掛け部４４、４４とを有し、引掛け部４４、４４間にフック３９を挿脱するための間隔４５が形成されている。   The hook 39 formed at the lower end of the operation rod 31 is formed by bending the lower end of the operation rod 31 from the front direction upward. FIG. 7 is an enlarged plan view showing the latching portion 40. The latching portion 40 includes two support leg portions 41 and 41 extending forward from the front surface of the support column 2 and facing each other, a base 42 extending between the support leg portions 41 and 41 along the width direction of the support column 2, and a base 42 A base portion 43 extending forward from the left and right ends of the base portion, and two hook portions 44, 44 facing each other and bent from the tip of the base portion 43 toward the center in the width direction of the support column 2, An interval 45 for inserting and removing the hook 39 is formed between the hook portions 44 and 44.

［金型落下防止装置３０の作用］
図５に示すように、落下防止部材８が起立状態であるときには、落下防止部材８が金型ラック１に載置されている金型４の前方において起立状態となって金型４の前部を支えるため、金型ラック１に保管されている金型４が不測に落下してしまうことを防止できる。 [Operation of die fall prevention device 30]
As shown in FIG. 5, when the fall prevention member 8 is in the standing state, the fall prevention member 8 is in a standing state in front of the mold 4 placed on the mold rack 1, and the front part of the mold 4. Therefore, the mold 4 stored in the mold rack 1 can be prevented from unexpectedly dropping.

操作杆３１の下端に形成されたフック３９と、金型ラック１の支柱２に形成された掛止部４０とによりストッパ３８が構成され、フック３９を掛止部４０の一方の（左側の）引掛け部４４に係止させることにより、落下防止部材８を起立状態から倒伏状態へ（図２の時計方向へ）回動しようとすると、フック３９が掛止部４０の基部４３に当接するため、回動動作が阻止され、落下防止部材８の起立状態が保持される。   A stopper 38 is formed by the hook 39 formed at the lower end of the operation rod 31 and the hooking portion 40 formed on the support column 2 of the mold rack 1, and the hook 39 is connected to one (left side) of the hooking portion 40. When the fall prevention member 8 is rotated from the standing state to the lying down state (clockwise in FIG. 2) by being engaged with the hook portion 44, the hook 39 comes into contact with the base portion 43 of the hook portion 40. The rotation operation is blocked, and the standing state of the fall prevention member 8 is maintained.

金型を出し入れする際には、操作杆３１の下端のフック３９を間隔４５を介して掛止部４０の引掛け部４４から外し、手動により操作杆３１を左方に移動させて持ち上げると、操作杆３１と一体に落下防止部材８がボルト２０の回りに図５の時計方向に回動し、落下防止部材８が図２において右側の規制板２６に落下防止部材８の一側面が当接することにより回動位置が規制され、落下防止部材８を倒伏状態とすることができる（図６参照）。   When inserting and removing the mold, the hook 39 at the lower end of the operating rod 31 is removed from the hooking portion 44 of the hooking portion 40 via the interval 45, and the operating rod 31 is manually moved to the left and lifted. The fall prevention member 8 integrally rotates with the operation rod 31 around the bolt 20 in the clockwise direction in FIG. 5, and the fall prevention member 8 contacts one side surface of the fall prevention member 8 with the right regulation plate 26 in FIG. 2. Thus, the rotational position is restricted, and the fall prevention member 8 can be brought into a fallen state (see FIG. 6).

金型４の落下防止を行う時には、金型４を出し入れする際の操作と逆の操作となり、図６において、手動により操作杆３１を下方に押し下げると、操作杆３１と一体に落下防止部材８がボルト２０の回りに図６の反時計方向に回動して起立状態とすることができ、落下防止部材８を起立状態とした後、操作杆３１の下端のフック３９を、支柱２に形成された掛止部４０の間隔４５を介して引掛け部４４に係止することにより、落下防止部材８の起立状態を保持することができる。これらの手動による操作杆３１の操作は、作業者が片手で軽く行うことができ、操作時間がかからない。   When the mold 4 is prevented from dropping, the operation is the reverse of the operation performed when the mold 4 is taken in and out. In FIG. 6, when the operation rod 31 is manually pushed down, the fall prevention member 8 is integrated with the operation rod 31. 6 can be rotated counterclockwise in FIG. 6 around the bolt 20 to be in an upright state. After the fall prevention member 8 is in an upright state, a hook 39 at the lower end of the operation rod 31 is formed on the support column 2. The fall prevention member 8 can be kept in an upright state by being locked to the hooking portion 44 through the interval 45 of the hooking portion 40 thus made. The manual operation of the operation rod 31 can be performed lightly by an operator with one hand, and does not take operation time.

本発明の実施形態に係る金型落下防止装置を備えた金型ラックの正面図である。It is a front view of a mold rack provided with a mold fall prevention device according to an embodiment of the present invention. 第１実施形態の金型落下防止装置の拡大正面図である。It is an expansion front view of the metallic mold fall prevention device of a 1st embodiment. 同上の金型落下防止装置の拡大側面図である。It is an enlarged side view of a die fall prevention device same as the above. 同上の金型落下防止装置の拡大平面図である。It is an enlarged plan view of a die fall prevention device same as the above. 第２実施形態の金型落下防止装置の拡大正面図である（起立状態）。It is an enlarged front view of the metallic mold fall prevention device of a 2nd embodiment (standing state). 第２実施形態の金型落下防止装置の拡大正面図である（倒伏状態）。It is an enlarged front view of the metallic mold fall prevention device of a 2nd embodiment (a lying state). 掛止部を拡大して示す平面図である。It is a top view which expands and shows a latching | locking part.

符号の説明Explanation of symbols

１ 金型ラック
２ 支柱
３ 横桟
４ 金型
５ パレット
６ 金型落下防止装置（第１実施形態）
７ 取付ベース
８ 落下防止部材
９ ストッパ
１０ 背板
１１ 前板
１２ 底板
１３ 取付用孔
１４ ストッパ支持部
１５ 支軸孔
１６ ストッパ挿入溝
１７ 支持孔
１８ 軸孔
１９ 丸み部
２０ ボルト
２１ バネ座金
２２ ナット
２３ ロック部
２４ 軸部
２５ 規制板
２６ 規制板
２７ 平座金
２８ ナット
３０ 金型落下防止装置（第２実施形態）
３１ 操作杆
３２ 縦棒
３３ 横棒
３４ 取付棒
３５ 斜め棒
３６ 斜め棒
３７ パイプ
３８ ストッパ
３９ フック
４０ 掛止部
４１ 支脚部
４２ ベース
４３ 基部
４４ 引掛け部
４５ 間隔 DESCRIPTION OF SYMBOLS 1 Mold rack 2 Support | pillar 3 Horizontal rail 4 Mold 5 Pallet 6 Mold fall prevention apparatus (1st Embodiment)
7 Mounting base 8 Fall prevention member 9 Stopper 10 Back plate 11 Front plate 12 Bottom plate 13 Mounting hole 14 Stopper support portion 15 Support shaft hole 16 Stopper insertion groove 17 Support hole 18 Shaft hole 19 Round portion 20 Bolt 21 Spring washer 22 Nut 23 Lock portion 24 Shaft portion 25 Restriction plate 26 Restriction plate 27 Plain washer 28 Nut 30 Mold fall prevention device (second embodiment)
31 Operation rod 32 Vertical bar 33 Horizontal bar 34 Mounting bar 35 Diagonal bar 36 Diagonal bar 37 Pipe 38 Stopper 39 Hook 40 Latching part 41 Support leg part 42 Base 43 Base 44 Hooking part 45 Interval

Claims (2)

金型ラックに載置されている金型の落下を阻止する起立状態と前記金型の落下を阻止しない倒伏状態とに回動可能に下端を軸支された落下防止部材と、
前記落下防止部材の前記起立状態を保持するストッパと、
前記金型ラックに取り付けられる取付ベースと、を備え、
前記ストッパは、前記落下防止部材の回動軌跡に干渉して前記落下防止部材の前記起立状態を保持するロック位置と、ロック解除位置とに回動可能に設けられ、
前記取付ベースに前記ストッパをロック位置に保持する凹部が形成されている、
ことを特徴とする金型落下防止装置。 A fall-preventing member pivotally supported at the lower end so as to be able to rotate between an upright state that prevents the mold placed on the mold rack from dropping and a lying state that does not prevent the mold from dropping;
A stopper for holding the standing state of the fall prevention member;
A mounting base attached to the mold rack ,
The stopper is provided to be able to rotate between a lock position that interferes with a rotation locus of the fall prevention member and holds the standing state of the fall prevention member, and a lock release position,
A recess is formed in the mounting base to hold the stopper in the locked position.
A mold drop prevention device characterized by that. 金型ラックに載置されている金型の落下を阻止する起立状態と前記金型の落下を阻止しない倒伏状態とに回動可能に下端を軸支された落下防止部材と、
前記落下防止部材の前記起立状態を保持するストッパと、
前記落下防止部材と一体に回動する操作杆と、を備え、
前記ストッパは、前記操作杆の下端に形成されたフックと、前記金型ラックに形成された掛止部とからなり、
前記フックと前記掛止部との係合により、前記落下防止部材の前記起立状態が保持される、ことを特徴とする金型落下防止装置。 A fall-preventing member pivotally supported at the lower end so as to be able to rotate between an upright state that prevents the mold placed on the mold rack from dropping and a lying state that does not prevent the mold from dropping;
A stopper for holding the standing state of the fall prevention member;
An operating rod that rotates integrally with the fall prevention member,
The stopper consists of a hook formed at the lower end of the operating rod and a hooking portion formed on the mold rack,
By the engagement between the hook and the hook portion, wherein the upright position of the fall preventing member is retained, features and be Rukin type anti-fall device that.
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