JP2013086420A - Safety door device for molding machine - Google Patents

Safety door device for molding machine Download PDF

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JP2013086420A
JP2013086420A JP2011230736A JP2011230736A JP2013086420A JP 2013086420 A JP2013086420 A JP 2013086420A JP 2011230736 A JP2011230736 A JP 2011230736A JP 2011230736 A JP2011230736 A JP 2011230736A JP 2013086420 A JP2013086420 A JP 2013086420A
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rail member
door
molding machine
rail
door body
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JP5829096B2 (en
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Akinori Matsuo
明憲 松尾
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Toyo Machinery and Metal Co Ltd
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Toyo Machinery and Metal Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a safety door device for a molding machine, the device that can be implemented at low cost and facilitates replacement of an existing door body.SOLUTION: A safety door device 5 comprises a door body 21, rail members 25, 26 guiding the door body 21 in a prescribed opening and closing direction, and a connection member 23 connecting the door body 21 to the rail members 25, 26. As the rail members 25, 26, plated steel plates which have been worked into prescribed shapes are used. The rail members 25, 26 are fixed to prescribed rail fixation parts set on a molding machine using bolts 27, 29.

Description

本発明は、成形機の安全ドア装置に係り、特に、ドア本体を所定の開閉方向に案内するレール部材の構成に関する。   The present invention relates to a safety door device of a molding machine, and more particularly to a configuration of a rail member that guides a door body in a predetermined opening / closing direction.

射出成形機やダイカストマシン等の成形機には、オペレータの安全を確保するため、型開閉機構の外周を覆う安全カバーが備えられており、この安全カバーの一部には、金型交換や製品取り出し等の作業を可能にするための安全ドア装置が備えられている。安全ドア装置は、主としてドア本体と、ドア本体を所定の開閉方向に案内するレール部材と、ドア本体をレール部材に連結する連結部材とから構成される。   Molding machines such as injection molding machines and die-casting machines are equipped with a safety cover that covers the outer periphery of the mold opening / closing mechanism in order to ensure the safety of the operator. A safety door device is provided for enabling operations such as removal. The safety door device mainly includes a door main body, a rail member that guides the door main body in a predetermined opening / closing direction, and a connecting member that connects the door main body to the rail member.

従来、安全ドア装置のレール部材としては、厚板からなる帯状の金属板が用いられており、連結部材としては、レール部材を挿入可能な溝が形成された溝付きローラを軸体の先端部に回転可能に取り付けたものが用いられている。レール部材は、所定のレール固定部に溶接により取り付けられる。また、連結部材は、軸体の一端がドア本体の背面側にボルト・ナット等により取り付けられ、溝の両側に形成されたリブをレール部材の表裏面に係合するようにして、溝付きローラがレール部材に取り付けられる。これにより、ドア本体がレール部材の敷設方向に開閉可能となる(例えば、特許文献1参照。)。   Conventionally, a strip-shaped metal plate made of a thick plate has been used as a rail member of a safety door device, and a grooved roller formed with a groove into which a rail member can be inserted is used as a connecting member. The one attached to be rotatable is used. The rail member is attached to a predetermined rail fixing portion by welding. The connecting member has a grooved roller in which one end of the shaft body is attached to the back side of the door body by a bolt, a nut, etc., and the ribs formed on both sides of the groove are engaged with the front and back surfaces of the rail member. Is attached to the rail member. Thereby, a door main body can be opened and closed in the laying direction of a rail member (for example, refer patent document 1).

特開平8−252850号公報JP-A-8-252850

しかしながら、特許文献1に記載の安全ドア装置は、レール部材を所定のレール固定部に溶接する構成であるので、安全ドア装置の組立コストひいては成形機の製造コストが高価になる。また、レール部材にパーカー処理等の表面処理を施さなくてはならないので、この点からも成形機の製造コストが高価になる。さらに、従来の安全ドア装置は、帯状の金属板からなるレール部材を溝付きローラの溝内に挿入することによって、レール部材に対する溝付きローラの連結を行う構成であるので、レール部材に対するドア本体の取り付けは、レール部材の端部側からしか行うことができない。即ち、ドア本体をレール部材の側面側から行おうとしても、溝付きローラのリブがレール部材に干渉するので行うことができない。このため、既設の成形機に備えられたドア部材を交換する際には、安全カバーの取り外しと取り付けも行わなくてはならず、ドア部材の交換作業に多大の労力を要するという問題もある。   However, since the safety door device described in Patent Document 1 is configured to weld the rail member to a predetermined rail fixing portion, the assembly cost of the safety door device and the manufacturing cost of the molding machine become expensive. In addition, since the rail member must be subjected to a surface treatment such as a parker treatment, the manufacturing cost of the molding machine becomes expensive from this point. Further, the conventional safety door device is configured to connect the grooved roller to the rail member by inserting a rail member made of a strip-shaped metal plate into the groove of the grooved roller. Can be attached only from the end side of the rail member. That is, even if the door main body is to be moved from the side surface side of the rail member, it cannot be performed because the rib of the grooved roller interferes with the rail member. For this reason, when exchanging the door member provided in the existing molding machine, it is necessary to remove and attach the safety cover, and there is a problem that a great deal of labor is required for exchanging the door member.

本発明は、かかる従来技術の実情に鑑みてなされたものであり、その目的は、安価に実施できて、既設のドア本体の交換も容易に行い得る成形機の安全ドア装置を提供することにある。   The present invention has been made in view of the actual situation of the prior art, and an object of the present invention is to provide a safety door device for a molding machine that can be implemented at low cost and can easily replace an existing door body. is there.

本発明は、前記課題を解決するため、ドア本体と、該ドア本体を所定の開閉方向に案内するレール部材と、前記ドア本体を前記レール部材に連結する連結部材とからなる成形機の安全ドア装置において、前記レール部材として、めっき鋼板を加工することによって所定の形状に形成されたものを用い、該レール部材を、成形機に設定された所定のレール固定部にボルトを用いて固着したことを特徴とする。   In order to solve the above problems, the present invention provides a safety door for a molding machine comprising a door body, a rail member that guides the door body in a predetermined opening / closing direction, and a connecting member that connects the door body to the rail member. In the apparatus, as the rail member, a member formed into a predetermined shape by processing a plated steel plate is used, and the rail member is fixed to a predetermined rail fixing portion set in a molding machine using a bolt. It is characterized by.

レール部材として、めっき鋼板を加工することによって所定の形状に形成されたものを用いると、安価な汎用のめっき鋼板を用いてレール部材を形成できるので、厚板からなるレール部材にパーカー処理等の表面処理を事後的に施す場合に比べて、レール部材の製造コストを低減することができる。また、かかる構成のレール部材を用いると、連結部材として溝付きローラを用いる必要がないので、レール部材の側方からのドア本体の取り付けが可能になり、ドア本体の交換時に型開閉機構の周囲を覆う安全カバーの取り外し及び取り付けを行う必要がないので、ドア部材の交換作業を容易化することができる。さらに、レール部材を成形機に設定された所定のレール固定部にボルトを用いて固着すると、レール部材を溶接によりレール固定部に固着する場合に比べて、レール部材の固定に要する設備や労力を軽減できるので、成形機に対するレール部材の組立コストを低減することができる。   If the rail member is formed into a predetermined shape by processing a plated steel plate, the rail member can be formed using an inexpensive general-purpose plated steel plate. The manufacturing cost of the rail member can be reduced as compared with the case where the surface treatment is performed afterwards. Further, when the rail member having such a structure is used, it is not necessary to use a roller with a groove as a connecting member, so that the door body can be attached from the side of the rail member, and the mold opening / closing mechanism is surrounded when the door body is replaced. Since it is not necessary to remove and attach the safety cover that covers the door, the replacement work of the door member can be facilitated. Furthermore, when the rail member is fixed to a predetermined rail fixing portion set in the molding machine using a bolt, the equipment and labor required for fixing the rail member are reduced as compared with the case where the rail member is fixed to the rail fixing portion by welding. Since it can reduce, the assembly cost of the rail member with respect to a molding machine can be reduced.

また本発明は、前記構成の成形機の安全ドア装置において、前記レール部材は、前記ドア本体の上部と前記連結部材を介して連結される上部レール部材と、前記ドア本体の下部と前記連結部材を介して連結される下部レール部材とからなることを特徴とする。   According to the present invention, in the safety door device for a molding machine having the above-described configuration, the rail member includes an upper rail member connected to the upper portion of the door body via the connecting member, a lower portion of the door body, and the connecting member. It is characterized by comprising a lower rail member connected through a via.

このように、上部レール部材と下部レール部材とを備え、連結部材を介してドア本体の上部と下部を上部レール部材及び下部レール部材に連結すると、ドア本体を各レール部材に安定に保持できるので、ドア本体の開閉をスムースにかつ安定に行うことができる。   As described above, when the upper rail member and the lower rail member are provided and the upper and lower portions of the door body are connected to the upper rail member and the lower rail member via the connecting member, the door body can be stably held on each rail member. The door body can be opened and closed smoothly and stably.

また本発明は、前記構成の成形機の安全ドア装置において、前記連結部材は、ねじ部がナットを用いて前記ドア本体に締結される頭付ボルトと、当該頭付ボルトの軸部に回転可能に取り付けられ、前記レール部材に転動可能に連結されるベアリングと、前記軸部の外周に被着され、前記ベアリングを支承する筒状のスペーサとからなることを特徴とする。   Further, the present invention is the safety door device of the molding machine having the above-described configuration, wherein the connecting member is rotatable to a head bolt that has a screw portion fastened to the door body using a nut and a shaft portion of the head bolt. And a cylindrical spacer that is attached to the outer periphery of the shaft portion and supports the bearing.

頭付ボルトの軸部にベアリングを取り付け、このベアリングをレール部材に転動可能に連結すると、ドア本体の開閉時におけるレール部材の摩耗をほぼ防止できるので、レール部材の耐用命数を高めることができる。また、ベアリング保持用の軸体として頭付ボルトを用いると、ナットを用いてベアリング保持用の軸体をドア本体に締結できるので、溶接する場合に比べてその取付コストを低減することができる。さらに、頭付ボルトの軸部に被着されたスペーサを用いてベアリングを支承すると、頭付ボルトの軸部にベアリングを圧入する必要がないので、その部品コストを低減することができる。   By attaching a bearing to the shaft portion of the head bolt and connecting the bearing to the rail member so as to be able to roll, the wear of the rail member at the time of opening and closing the door body can be substantially prevented, so that the service life of the rail member can be increased. . Further, when a headed bolt is used as the bearing holding shaft, the bearing holding shaft can be fastened to the door body using a nut, so that the mounting cost can be reduced as compared with the case of welding. Furthermore, if the bearing is supported using the spacer attached to the shaft portion of the head bolt, it is not necessary to press-fit the bearing into the shaft portion of the head bolt, so that the cost of the parts can be reduced.

本発明に係る成形機の安全ドア装置は、レール部材として安価なめっき鋼板を加工することによって所定の形状に形成されたものを用いるので、厚板からなるレール部材にパーカー処理等の表面処理を事後的に施す場合に比べてレール部材の製造コストを低減できると共に、レール部材の側方からのドア本体の取り付けが可能になり、ドア部材の交換作業を容易化することができる。さらに、連結部材として、ねじ部がナットを用いてドア本体に締結される頭付ボルトと、当該頭付ボルトの軸部に回転可能に取り付けられ、レール部材に転動可能に連結されるベアリングと、軸部の外周に被着され、ベアリングを支承する筒状のスペーサとからなるものを用いるので、レール部材の耐用命数が高められると共に、その部品コストを低減することができる。   Since the safety door device of the molding machine according to the present invention uses a material formed into a predetermined shape by processing an inexpensive plated steel plate as a rail member, the rail member made of a thick plate is subjected to a surface treatment such as a parker treatment. The manufacturing cost of the rail member can be reduced as compared with the case where it is applied afterwards, and the door main body can be attached from the side of the rail member, and the replacement work of the door member can be facilitated. Further, as a connecting member, a headed bolt whose screw part is fastened to the door body using a nut, a bearing that is rotatably attached to the shaft part of the headed bolt and is rotatably connected to the rail member Since a cylindrical spacer that is attached to the outer periphery of the shaft portion and that supports the bearing is used, the service life of the rail member can be increased and the component cost can be reduced.

実施形態に係る安全ドア装置が適用される射出成形機の正面図である。It is a front view of the injection molding machine to which the safety door device concerning an embodiment is applied. 図1に示す射出成形機の型締機構部の正面図である。It is a front view of the mold clamping mechanism part of the injection molding machine shown in FIG. 図1のA−A断面図である。It is AA sectional drawing of FIG. 実施形態に係る安全ドア装置の構成を示す要部拡大図である。It is a principal part enlarged view which shows the structure of the safety door apparatus which concerns on embodiment.

以下、本発明に係る安全ドア装置の実施形態を、横型の射出成形機に備えられる安全ドア装置を例にとって説明する。   Hereinafter, an embodiment of a safety door device according to the present invention will be described taking a safety door device provided in a horizontal injection molding machine as an example.

横型の射出成形機は、図1に示すように、横長に形成されたメインフレーム1上の長さ方向に、型締装置2と射出装置3とを対向に搭載してなる。型締装置2の外周は、安全カバー4にて覆われており、該安全カバー4の一部には、金型の交換や成形品の取り出しなどの所要の作業を可能にするための安全ドア装置5が、メインフレーム1の長さ方向にスライド可能に設けられる。その他、図1中の符号6,7,8は、それぞれ射出装置3に備えられた原料樹脂供給用のホッパ、スクリュが内蔵された加熱筒、成形機制御装置の表示・入力部を示している。   As shown in FIG. 1, a horizontal injection molding machine includes a mold clamping device 2 and an injection device 3 that are mounted opposite to each other in a longitudinal direction on a main frame 1 that is formed horizontally. The outer periphery of the mold clamping device 2 is covered with a safety cover 4, and a part of the safety cover 4 is a safety door for enabling necessary work such as replacement of a mold or removal of a molded product. The device 5 is provided so as to be slidable in the length direction of the main frame 1. In addition, reference numerals 6, 7, and 8 in FIG. 1 indicate a raw material resin supply hopper provided in the injection device 3, a heating cylinder incorporating a screw, and a display / input unit of the molding machine control device. .

型締装置2は、図2に示すように、図示しない固定側金型が取り付けられる固定盤11と、図示しない可動側金型が取り付けられる可動盤12と、後述するトグル機構を支持するトグル支持盤13とを備えており、これらの各部材11,12,13は、互いに対向に配置されて、この順にメインフレーム1上に備えられている。固定盤11及びトグル支持盤13はメインフレーム1上に固定され、可動盤12はメインフレーム1上に移動可能に取り付けられる。可動盤12とトグル支持盤13には、トグル機構14の両端がそれぞれ回動可能にピン結合されており、トグル支持盤13には、型開閉用モータ15と、型開閉用モータ15の駆動力をトグル機構14に伝達する動力伝達装置16とが搭載されている。可動盤12は、型開閉用モータ15を回転駆動し、その駆動力を動力伝達装置16を介してトグル機構14に伝達し、トグル機構14を伸縮させることにより、固定盤11に接近する型締方向及び固定盤から離隔する型開方向に駆動される。なお、図2の符号17は、可動盤12に備えられた製品取り出し用のエジェクト装置を示している。また、動力伝達装置16は、図2及び図3に示すように、型開閉用モータ15の回転軸に備えられたプーリ15aと、トグル支持盤13に取り付けられ、型開閉用モータ15の回転運動を直線運動に変換してトグル機構14に伝達するボールねじ機構18と、ボールねじ機構18の回転軸に備えられたプーリ18aと、これらの各プーリ15a,18aに輪掛けされたベルト19とからなる。   As shown in FIG. 2, the mold clamping device 2 includes a stationary platen 11 to which a fixed die (not shown) is attached, a movable platen 12 to which a movable die (not shown) is attached, and a toggle support that supports a toggle mechanism described later. A board 13 is provided, and these members 11, 12, 13 are arranged opposite to each other and are provided on the main frame 1 in this order. The fixed platen 11 and the toggle support plate 13 are fixed on the main frame 1, and the movable platen 12 is movably mounted on the main frame 1. Both ends of the toggle mechanism 14 are rotatably coupled to the movable plate 12 and the toggle support plate 13. The mold support motor 15 and the driving force of the mold open / close motor 15 are connected to the toggle support plate 13. Is mounted to a toggle mechanism 14. The movable platen 12 rotationally drives the mold opening / closing motor 15, transmits the driving force to the toggle mechanism 14 via the power transmission device 16, and expands and contracts the toggle mechanism 14, thereby clamping the mold close to the fixed platen 11. It is driven in the mold opening direction away from the direction and the fixed platen. Note that reference numeral 17 in FIG. 2 denotes an ejecting device for product removal provided in the movable platen 12. 2 and 3, the power transmission device 16 is attached to the pulley 15a provided on the rotation shaft of the mold opening / closing motor 15 and the toggle support board 13, and the rotational movement of the mold opening / closing motor 15 is performed. Is converted into a linear motion and transmitted to the toggle mechanism 14, a pulley 18a provided on the rotation shaft of the ball screw mechanism 18, and a belt 19 looped around these pulleys 15a and 18a. Become.

安全ドア装置5は、図2乃至図4に示すように、ドア本体21と、ドア本体21を所定の開閉方向に案内するレール部材22と、ドア本体21とレール部材22とを連結する連結部材23とから構成される。   As shown in FIGS. 2 to 4, the safety door device 5 includes a door main body 21, a rail member 22 that guides the door main body 21 in a predetermined opening / closing direction, and a connecting member that connects the door main body 21 and the rail member 22. 23.

ドア本体21は、図3に示すように、鋼板をもって所定の大きさの角筒形に形成されており、フロント側(射出成形作業時におけるオペレータの立ち位置側)の前面には、オペレータがドア部材21の開閉を手動で行うための把手24が取り付けられている。   As shown in FIG. 3, the door body 21 is formed of a steel plate in a rectangular tube shape having a predetermined size, and an operator can place a door on the front side of the front side (the standing position side of the operator during the injection molding operation). A handle 24 for manually opening and closing the member 21 is attached.

レール部材22は、図3に示すように、ドア本体21の上部と連結部材23を介して連結される上部レール部材25と、ドア本体21の下部と連結部材23を介して連結される下部レール部材26とからなる。これら上部レール部材25及び下部レール部材26は、ドア本体21のフロント側及びリア側の内面に対向して配置される。   As shown in FIG. 3, the rail member 22 includes an upper rail member 25 connected to the upper portion of the door main body 21 via the connecting member 23, and a lower rail connected to the lower portion of the door main body 21 via the connecting member 23. Member 26. The upper rail member 25 and the lower rail member 26 are arranged to face the front and rear inner surfaces of the door main body 21.

上部レール部材25は、めっき鋼板を板金加工することによって下向きコの字形に形成されており、図2に示すように、一端がボルト27を用いて固定盤11に固定されている。この上部レール部材25の他端は、図2及び図4に示すように、ボルト27を用いてトグル支持盤13に固定されたレールステー36に支持される。レールステー36は、図4に示すように、トグル支持盤13にボルト27を用いて取り付けられる取付部36aと、取付部36aから垂直に起立された垂直部36bと、垂直部36bから水平に折り返された水平部36cと、水平部36cの先端から上向きに折り返された案内部36dとを有している。上部レール25の一端は、下向きコの字形の開口部を下向きにして、垂直部36bと案内部36dの間の隙間に挿入され、水平部36c上に載置される。   The upper rail member 25 is formed in a downward U shape by sheet metal processing of a plated steel plate, and one end thereof is fixed to the fixed platen 11 using a bolt 27 as shown in FIG. As shown in FIGS. 2 and 4, the other end of the upper rail member 25 is supported by a rail stay 36 fixed to the toggle support board 13 using a bolt 27. As shown in FIG. 4, the rail stay 36 is folded back horizontally from the mounting portion 36a attached to the toggle support board 13 using the bolts 27, the vertical portion 36b standing upright from the mounting portion 36a, and the vertical portion 36b. A horizontal portion 36c, and a guide portion 36d folded upward from the tip of the horizontal portion 36c. One end of the upper rail 25 is inserted into a gap between the vertical portion 36b and the guide portion 36d with the downward U-shaped opening facing downward, and is placed on the horizontal portion 36c.

下部レール部材26も、めっき鋼板を板金加工することによって形成される。本例の下部レール部材26は、図3及び図4に示すように、メインフレーム1に設けられたブラケット28にボルト29を用いて取り付けられるステー部26aと、図示しないリベットを介してステー部26aと一体化された案内部26bとから構成されている。案内部26bは、ステー部26aに固着される固着部26cと、固着部26の下辺より約30度の角度で折り下げられた傾斜部26dと、傾斜部26dから水平に折り曲げられた水平部26eと、水平部26eの先端部より約45°の角度で折り上げられた脱落防止部26fとからなる。この下部レール26は、水平部26eを水平にして、長さ方向の全体に形成されたステー部26aが、ボルト29を用いてブラケット28上に固着される。   The lower rail member 26 is also formed by subjecting a plated steel plate to sheet metal processing. As shown in FIGS. 3 and 4, the lower rail member 26 of the present example includes a stay portion 26a attached to a bracket 28 provided on the main frame 1 using a bolt 29, and a stay portion 26a via a rivet (not shown). And a guide portion 26b integrated with each other. The guide portion 26b includes a fixing portion 26c fixed to the stay portion 26a, an inclined portion 26d folded at an angle of about 30 degrees from the lower side of the fixing portion 26, and a horizontal portion 26e bent horizontally from the inclined portion 26d. And a drop-off preventing portion 26f folded at an angle of about 45 ° from the tip of the horizontal portion 26e. The lower rail 26 has a horizontal portion 26e leveled, and a stay portion 26a formed in the entire length direction is fixed onto the bracket 28 using a bolt 29.

連結部材23は、頭付ボルト31と、頭付ボルト31の軸部に回転可能に取り付けられたベアリング32と、頭付ボルト31の軸部の外周に被着され、ベアリング32を支承する筒状のスペーサ33とからなる。頭付ボルト31は、図4に示すように、ドア本体21の内面に設けられたブラケット34に、ナット35を用いて固着される。上部レール部材25に連結されるベアリング32については、下向きコの字形に形成された案内部25d内に転動可能に挿入される。一方、下部レール部材26に連結されるベアリング32については、水平部26e上に転動可能に載置される。これにより、ドア本体21のスムースな開閉が可能になる。   The connecting member 23 is attached to the outer periphery of the shaft portion of the head bolt 31, the bearing 32 rotatably attached to the shaft portion of the head bolt 31, and the cylindrical portion that supports the bearing 32. Spacer 33. As shown in FIG. 4, the head bolt 31 is fixed to a bracket 34 provided on the inner surface of the door body 21 using a nut 35. About the bearing 32 connected with the upper rail member 25, it inserts in the guide part 25d formed in the downward U-shape so that rolling is possible. On the other hand, the bearing 32 connected to the lower rail member 26 is mounted on the horizontal portion 26e so as to be able to roll. As a result, the door body 21 can be smoothly opened and closed.

本実施形態に係る安全ドア装置は、安価なめっき鋼板を用いてレール部材22(上部レール部材25及び下部レール部材26)を形成したので、厚板からなるレール部材にパーカー処理等の表面処理を事後的に施す場合に比べて、レール部材の製造コストを低減することができる。また、めっき鋼板を板金加工してなるレール部材22を用いたので、連結部材23として溝付きローラを用いる必要がなく、レール部材22の側方からのドア本体21の取り付けが可能になって、ドア部材21の交換作業を容易化することができる。また、レール部材22を成形機に設定された所定のレール固定部にボルト27,29を用いて固着したので、レール部材を溶接によりレール固定部に固着する場合に比べて、レール部材21の固定に要する設備や労力を軽減できる。また、レール部材22として、上部レール部材25及び下部レール部材26を備えたので、ドア本体21の開閉をスムースかつ安定に行うことができる。また、連結部材23にベアリング32を備えたので、ドア本体21の開閉時におけるレール部材の摩耗をほぼ防止できる。また、ベアリング保持用の軸体として頭付ボルト31を用いたので、ナットを用いてベアリング保持用の軸体をドア本体21に締結することができ、溶接する場合に比べてその取付コストを低減することができる。さらに、頭付ボルト31の軸部に被着されたスペーサ33を用いてベアリング32を支承するので、頭付ボルトの軸部にベアリングを圧入する必要がなく、その部品コストを低減することができる。   In the safety door device according to the present embodiment, the rail member 22 (the upper rail member 25 and the lower rail member 26) is formed using an inexpensive plated steel plate, so that the rail member made of a thick plate is subjected to a surface treatment such as a parker treatment. The manufacturing cost of the rail member can be reduced compared with the case where it is applied afterwards. Moreover, since the rail member 22 formed by sheet metal processing of the plated steel plate is used, there is no need to use a grooved roller as the connecting member 23, and the door body 21 can be attached from the side of the rail member 22, The replacement work of the door member 21 can be facilitated. Further, since the rail member 22 is fixed to a predetermined rail fixing portion set in the molding machine using the bolts 27 and 29, the rail member 21 is fixed as compared with the case where the rail member is fixed to the rail fixing portion by welding. Can reduce the equipment and labor required. Moreover, since the upper rail member 25 and the lower rail member 26 are provided as the rail member 22, the door body 21 can be opened and closed smoothly and stably. Further, since the coupling member 23 includes the bearing 32, it is possible to substantially prevent the rail member from being worn when the door body 21 is opened and closed. Moreover, since the headed bolt 31 is used as the shaft for holding the bearing, the shaft for holding the bearing can be fastened to the door body 21 using a nut, and the mounting cost is reduced compared to the case of welding. can do. Further, since the bearing 32 is supported by using the spacer 33 attached to the shaft portion of the head bolt 31, it is not necessary to press-fit the bearing into the shaft portion of the head bolt, and the cost of parts can be reduced. .

なお、前記実施形態においては、下部レール部材26として、リベットを介してステー部26aと案内部26bとを一体化したものを用いたが、本発明の要旨はこれに限定されるものではなく、ステー部26aと案内部26bとは折り曲げ加工により一体に形成することもできる。   In the above-described embodiment, the lower rail member 26 is formed by integrating the stay portion 26a and the guide portion 26b via a rivet, but the gist of the present invention is not limited to this. The stay part 26a and the guide part 26b can be integrally formed by bending.

本発明は、射出成形機やダイカストマシンなどの成形機に利用できる。   The present invention can be used in molding machines such as injection molding machines and die casting machines.

1 メインフレーム
2 型締装置
3 射出装置
4 安全カバー
5 安全ドア
6 ホッパ
7 加熱筒
8 表示・入力部
11 固定盤
12 可動盤
13 トグル支持盤
14 トグル機構
15 型開閉用モータ
15a プーリ
16 動力伝達装置
17 エジェクト装置
18 ボールねじ機構
18a プーリ
19 ベルト
21 ドア本体
22 レール部材
23 連結部材
24 把手
25 上部レール部材
26 下部レール部材
26a ステー部
26b 案内部
26c 固着部
26d 傾斜部
26e 水平部
26f 脱落防止部
27,29 ボルト
28 ブラケット
31 頭付ボルト
32 ベアリング
33 スペーサ
36 レールステー
36a 取付部
36b 垂直部
36c 水平部
36d 案内部
DESCRIPTION OF SYMBOLS 1 Main frame 2 Mold clamping device 3 Injection device 4 Safety cover 5 Safety door 6 Hopper 7 Heating cylinder 8 Display / input part 11 Fixed board 12 Movable board 13 Toggle support board 14 Toggle mechanism 15 Mold opening / closing motor 15a Pulley 16 Power transmission device DESCRIPTION OF SYMBOLS 17 Ejecting device 18 Ball screw mechanism 18a Pulley 19 Belt 21 Door main body 22 Rail member 23 Connecting member 24 Handle 25 Upper rail member 26 Lower rail member 26a Stay part 26b Guide part 26c Adhering part 26d Inclining part 26e Horizontal part 26f Falling prevention part 27 29 bolt 28 bracket 31 head bolt 32 bearing 33 spacer 36 rail stay 36a mounting portion 36b vertical portion 36c horizontal portion 36d guide portion

Claims (3)

ドア本体と、該ドア本体を所定の開閉方向に案内するレール部材と、前記ドア本体を前記レール部材に連結する連結部材とからなる成形機の安全ドア装置において、
前記レール部材として、めっき鋼板を加工することによって所定の形状に形成されたものを用い、該レール部材を、成形機に設定された所定のレール固定部にボルトを用いて固着したことを特徴とする成形機の安全ドア装置。
In a safety door device of a molding machine comprising a door main body, a rail member that guides the door main body in a predetermined opening and closing direction, and a connecting member that connects the door main body to the rail member,
As the rail member, a member formed into a predetermined shape by processing a plated steel sheet is used, and the rail member is fixed to a predetermined rail fixing portion set in a molding machine using a bolt. Safety door device for molding machine.
前記レール部材は、前記ドア本体の上部と前記連結部材を介して連結される上部レール部材と、前記ドア本体の下部と前記連結部材を介して連結される下部レール部材とからなることを特徴とする請求項1に記載の成形機の安全ドア装置。   The rail member comprises an upper rail member connected to the upper portion of the door body via the connecting member, and a lower rail member connected to the lower portion of the door body via the connecting member. The safety door device for a molding machine according to claim 1. 前記連結部材は、ねじ部がナットを用いて前記ドア本体に締結される頭付ボルトと、当該頭付ボルトの軸部に回転可能に取り付けられ、前記レール部材に転動可能に連結されるベアリングと、前記軸部の外周に被着され、前記ベアリングを支承する筒状のスペーサとからなることを特徴とする請求項1及び請求項2のいずれか1項に記載の成形機の安全ドア装置。   The connecting member includes a headed bolt whose screw part is fastened to the door body using a nut, and a bearing rotatably attached to a shaft part of the headed bolt and connected to the rail member in a rollable manner. And a cylindrical spacer that is attached to the outer periphery of the shaft portion and supports the bearing. .
JP2011230736A 2011-10-20 2011-10-20 Safety door device for molding machine Expired - Fee Related JP5829096B2 (en)

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KR102593386B1 (en) 2019-01-08 2023-10-25 엘에스엠트론 주식회사 Door Apparatus of Injection Molding Machine

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