JPH0647778A - Automatic sheet attaching device of injection molding machine - Google Patents
Automatic sheet attaching device of injection molding machineInfo
- Publication number
- JPH0647778A JPH0647778A JP4223561A JP22356192A JPH0647778A JP H0647778 A JPH0647778 A JP H0647778A JP 4223561 A JP4223561 A JP 4223561A JP 22356192 A JP22356192 A JP 22356192A JP H0647778 A JPH0647778 A JP H0647778A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- injection molding
- molding machine
- mold
- attaching device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14008—Inserting articles into the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
- B29C2045/14106—Positioning or centering articles in the mould using electrostatic attraction or static electricity
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、射出成形機の金型へプ
ラスチックシート(厚さ0、2mm以下のフイルムも含
む)を自動的に貼り付けて固定する装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for automatically attaching and fixing a plastic sheet (including a film having a thickness of 0 or 2 mm or less) to a mold of an injection molding machine.
【0002】[0002]
【従来の技術】プラスチック製品には、その本体の表面
に絵模様等の入ったプラスチックシート(以下、単にシ
ートという)を貼着したものがある。2. Description of the Related Art Some plastic products have a plastic sheet (hereinafter simply referred to as a sheet) having a picture pattern or the like attached to the surface of the main body.
【0003】この場合、射出成形品では、成形時に同時
にシートの貼着が行われる。即ち、射出成形機における
金型の所定の位置に、予め、シートを固定しておくこと
で前記同時貼着が達成されるのである。In this case, in the injection-molded product, the sheets are attached at the same time as the molding. That is, the simultaneous attachment is achieved by fixing the sheet in advance at a predetermined position of the mold in the injection molding machine.
【0004】この際、金型にシートを安定して固定する
ために、前もってシートに帯電器により帯電させる作業
が行われる。At this time, in order to stably fix the sheet to the mold, the sheet is charged in advance by a charger.
【0005】そして、従来では、上述したシートの金型
への固定や帯電作業は全て作業者の手作業で行ってい
た。In the past, the fixing of the sheet to the mold and the charging operation were all manually performed by the operator.
【0006】[0006]
【発明が解決しようとする課題】そのため、人手不足の
折り、作業者の確保が困難であるとともに、シートを金
型に手で固定するのは非常に危険を伴いかつ非能率的で
あるという問題点があった。Therefore, there is a problem in that it is difficult to secure a worker due to a lack of manpower, and it is very dangerous and inefficient to fix the sheet to the mold by hand. There was a point.
【0007】そこで、本発明の目的は、金型にシートを
固定する一連の作業をロボットにより自動化すること
で、前記問題点を解決することにある。Therefore, an object of the present invention is to solve the above-mentioned problems by automating a series of operations for fixing a sheet to a mold by a robot.
【0008】[0008]
【課題を解決するための手段】前記目的を達成するため
の、本発明の構成は、シートを多数枚積み重ねて収容す
る上面開放の容器と、前記シートを帯電させる帯電器
と、この帯電したシートを固定可能な射出成形用金型
と、前記シートを一枚ずつ着脱自在に保持し得る治具を
アーム先端に備え前記容器から帯電器を経て金型へと前
記シートを受渡し得る多関節ロボットと、を有すること
を特徴とする。In order to achieve the above-mentioned object, the structure of the present invention is a container having an open upper surface for accommodating and accommodating a large number of sheets, a charger for charging the sheets, and the charged sheets. And a multi-joint robot capable of delivering the sheets from the container to the mold via the charger via the charger, the jig being capable of detachably holding the sheets one by one. , Are included.
【0009】[0009]
【作用】前記構成によれば、容器から取り出したシート
を帯電器にセットし、帯電後のシートを金型に固定する
という一連の作業が自動化される。According to the above construction, a series of operations of setting the sheet taken out from the container to the charger and fixing the charged sheet to the mold is automated.
【0010】[0010]
【実施例】以下、本発明の一実施例を添付図面に基づい
て説明する。図1は、本発明に係る自動シート貼り装置
の概略構成を示す平面図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a plan view showing a schematic configuration of an automatic sheet sticking apparatus according to the present invention.
【0011】図1において、1は約100枚のシートを
積み重ねて収容する上面開放の樹脂製容器、2はシート
を帯電させる帯電器、3は射出成形機で、4は前記容器
1から帯電器2を経て射出成形機3へと前記シートを受
渡し得る多関節ロボットである。In FIG. 1, 1 is a resin container with an open upper surface for accommodating and stacking about 100 sheets, 2 is a charger for charging the sheets, 3 is an injection molding machine, 4 is a charger from the container 1 It is an articulated robot capable of delivering the sheet to the injection molding machine 3 via 2.
【0012】前記容器1は、図2にも示すように、シー
ト形状に対応した長方形の薄箱状に形成される。また、
図3にも示すように、シート5は自由状態ではアーチ状
に湾曲しているので、容器1の両短辺側の両部にはスプ
リング付きの押えバー6が配置され、その内の一方(図
中右側)がエアシリンダ7によって進退可能になってい
る。As shown in FIG. 2, the container 1 is formed in a rectangular thin box shape corresponding to the sheet shape. Also,
As shown in FIG. 3, since the seat 5 is curved in an arch shape in a free state, spring-equipped presser bars 6 are arranged on both short-side sides of the container 1, and one of them ( The right side in the figure) can be moved back and forth by the air cylinder 7.
【0013】前記帯電器2は、図4にも示すように、静
電気発生装置8と稼働台9とを有し、この稼働台9はエ
アシリンダ10によってシート帯電時に静電気発生装置
8の真下に移動可能になっている。As shown in FIG. 4, the charger 2 has a static electricity generating device 8 and an operating base 9. The operating base 9 is moved to a position right below the static electricity generating device 8 by the air cylinder 10 when the sheet is charged. It is possible.
【0014】また、稼働台9上にはシート固定板11が
配設される。このシート固定板11には、図示しないエ
アコンプレッサ等加圧空気源及びバキュウムポンプ等負
圧源に選択的につながるエア吹き出し及び吸着兼用の穴
12が複数(図中では6箇)開けられるとともに、シー
ト5を3辺において位置決めするための細長い樹脂板1
3が3箇付設される。A seat fixing plate 11 is arranged on the working table 9. The seat fixing plate 11 is provided with a plurality of holes 12 (six in the figure) for both air blowing and suction, which are selectively connected to a pressurized air source such as an air compressor and a negative pressure source such as a vacuum pump. Slender resin plate 1 for positioning the sheet 5 on three sides
Three 3 are attached.
【0015】前記射出成形機3は、射出機構部14と型
締め機構部15とが横置きに配置されて、加熱したシリ
ンダ中で熱可塑性樹脂を加熱流動化し、これを射出ラム
(図示せず)により金型16中にプランジャ(図示せ
ず)で押し込んで成形品を得る通常のものである。In the injection molding machine 3, the injection mechanism section 14 and the mold clamping mechanism section 15 are arranged side by side, and the thermoplastic resin is heated and fluidized in a heated cylinder, which is then injected into an injection ram (not shown). ) Is pressed into the mold 16 with a plunger (not shown) to obtain a molded product.
【0016】そして、型開きした際に、固定盤側の金型
16の内壁面に前述した帯電状態のシート5が立てかけ
た状態で貼り付け固定されるようになっている。なお、
図1中17はトグルで、18は油圧シリンダである。When the mold is opened, the above-described charged sheet 5 is attached and fixed to the inner wall surface of the mold 16 on the stationary platen side in a leaning state. In addition,
In FIG. 1, 17 is a toggle and 18 is a hydraulic cylinder.
【0017】前記多関節ロボットは、支柱19上を旋回
可能な旋回台20に第一アーム21が屈曲可能に枢着さ
れるとともに、この第一アーム21先端に第二アーム2
2が屈曲可能に枢着され、この第二アーム22先端に治
具23が屈曲可能に枢着されたテーチングプレイバック
方式のものである。In the multi-joint robot, the first arm 21 is pivotally attached to the swivel base 20 which can swivel on the support column 19, and the second arm 2 is attached to the tip of the first arm 21.
2 is pivotally mounted in a bendable manner, and a jig 23 is pivotably mounted in a tip end of the second arm 22 in a teaching playback system.
【0018】前記治具23は、枢着部24に対して本体
部25が回転可能に支持されてなるとともに、本体部2
5の前面には複数の第一吸着パッド26とシート固定用
の複数のエア吹き出し口27とが付設され、また本体部
25の側面には複数の第二吸着パッド28が付設され
る。The jig 23 has a main body 25 rotatably supported by a pivotally attached portion 24, and also has a main body 2
A plurality of first suction pads 26 and a plurality of sheet fixing air outlets 27 are attached to the front surface of the sheet 5, and a plurality of second suction pads 28 are attached to the side surface of the main body portion 25.
【0019】このように構成されるため、前述した容器
1からシート5を取り出す際は、先ず、図6に示すよう
に、第一吸着パッド26でシート5の一端側を吸着す
る。この後、第一吸着パッド26を上昇させながらシー
ト5の中間まで横方向へ移動させて一枚のシート5を剥
離する。Due to this structure, when the sheet 5 is taken out from the container 1 described above, first, one end side of the sheet 5 is sucked by the first suction pad 26 as shown in FIG. After that, the first suction pad 26 is raised and moved laterally to the middle of the sheet 5 to peel off one sheet 5.
【0020】この際、前記吸着部側に位置する押えバー
6は、エアシリンダ7により予め後退させられている。
また、シート5が剥離し易いように、図7に示すよう
に、吸着確認後にシート5の両隅へ所定の手段でエアを
吹きかけるようにしてもよい。(図中矢印参照)。At this time, the holding bar 6 located on the side of the suction portion is retracted in advance by the air cylinder 7.
Further, in order to facilitate the peeling of the sheet 5, as shown in FIG. 7, air may be blown to both corners of the sheet 5 by a predetermined means after confirmation of suction. (Refer to the arrow in the figure).
【0021】この後、第一吸着パッド26を上昇させる
ことで、シート5が完全に剥離されて容器1外に取り出
されるが、同時に、前記押えバー6が前進されて残りの
シート5が固定される。After that, by raising the first suction pad 26, the sheet 5 is completely peeled and taken out of the container 1, but at the same time, the pressing bar 6 is advanced to fix the remaining sheet 5. It
【0022】次に、容器1外に取り出されたシート5
は、帯電するために、帯電器2のシート固定板11に固
定されるのであるが、この時シート5は湾曲しているの
で、そのままでは正確な位置に固定するのが困難であ
る。Next, the sheet 5 taken out of the container 1
Is fixed to the sheet fixing plate 11 of the charger 2 in order to be charged. However, since the sheet 5 is curved at this time, it is difficult to fix it in the correct position as it is.
【0023】そのため、図8に示すように、第一吸着パ
ッド26で固定しながらエア吹き出し口27からエアを
吹き出して固定位置に押し付け、次に、シート固定板1
1の穴12から真空状態を発生させ、シート5を樹脂板
13に取り囲まれた正確な位置に固定させる。Therefore, as shown in FIG. 8, while being fixed by the first suction pad 26, the air is blown from the air blowing port 27 and pressed against the fixed position, and then the sheet fixing plate 1 is pressed.
A vacuum state is generated from the hole 12 of No. 1 and the sheet 5 is fixed at an accurate position surrounded by the resin plate 13.
【0024】シート5が正確に固定されると、多関節ロ
ボット4は次の動作のため所定の位置に移動する。一
方、シート固定板11は、エアシリンダ10による稼働
台9の移動により静電気発生装置8の真下に位置され、
同時に静電気発生装置8のスイッチが入り、静電気がシ
ート5に発生する。そして、帯電が終了すると、シート
固定板11は元の位置に戻る。When the seat 5 is correctly fixed, the articulated robot 4 moves to a predetermined position for the next operation. On the other hand, the seat fixing plate 11 is positioned directly below the static electricity generating device 8 by the movement of the working table 9 by the air cylinder 10.
At the same time, the static electricity generator 8 is turned on, and static electricity is generated on the sheet 5. Then, when the charging is completed, the sheet fixing plate 11 returns to the original position.
【0025】次に、帯電したシート5を帯電器2から剥
離して多関節ロボット4の治具23に固定するのである
が、この場合、先ず、治具23の第二吸着パッド28を
シート固定板11に密着させて吸着を開始する。Next, the charged sheet 5 is peeled from the charger 2 and fixed to the jig 23 of the articulated robot 4. In this case, first, the second suction pad 28 of the jig 23 is fixed to the sheet. Adhesion is started by bringing the plate 11 into close contact.
【0026】この際、シート5とシート固定板11と
は、先ほどの帯電作業で強力に密着していて、このまま
では剥離が不可能なので、シート固定板11の穴12よ
り圧縮空気を吹き出して剥離を行う。At this time, the sheet 5 and the sheet fixing plate 11 are strongly adhered to each other by the charging operation described above and cannot be peeled off as they are. I do.
【0027】このようにして、治具23に固定された帯
電状態のシート5は、最後に、射出成形機の前述した所
定の金型16に、型開きのタイミングに合わせて、直
接、貼り付け固定される。なお、前記シート5を金型1
6に直接固定する代わりに、成形機用取出し機を利用し
て固定するようにしてもよい。In this way, the electrified sheet 5 fixed to the jig 23 is finally directly attached to the above-mentioned predetermined mold 16 of the injection molding machine at the timing of mold opening. Fixed. In addition, the sheet 5 is used for the mold 1
Instead of fixing it directly to 6, it may be fixed using a take-out machine for the molding machine.
【0028】また、本発明は、前記実施例に限定され
ず、本発明の要旨を逸脱しない範囲内で、各種の変更が
可能であることは言うまでもない。Further, it is needless to say that the present invention is not limited to the above-mentioned embodiment and various modifications can be made without departing from the gist of the present invention.
【0029】[0029]
【発明の効果】以上説明したように本発明によれば、金
型にシートを固定する一連の作業をロボットにより自動
化したので、人手不足の解消と安全及び生産性の向上が
図れるという効果が得られる。As described above, according to the present invention, since a series of operations for fixing a sheet to a mold are automated by a robot, it is possible to eliminate labor shortage and improve safety and productivity. To be
【図1】本発明の一実施例を示す全体平面図である。FIG. 1 is an overall plan view showing an embodiment of the present invention.
【図2】同じく容器の斜視図である。FIG. 2 is a perspective view of the container.
【図3】同じく押えバーの説明図である。FIG. 3 is also an explanatory view of a presser bar.
【図4】同じく帯電器の全体斜視図である。FIG. 4 is an overall perspective view of the charging device.
【図5】同じくシート固定板の平面図である。FIG. 5 is a plan view of the seat fixing plate.
【図6】同じくシート取り出し作業の説明図である。FIG. 6 is an explanatory view of a sheet taking-out work.
【図7】同じくシート取り出し作業の変形例の説明図で
ある。FIG. 7 is an explanatory diagram of a modified example of the sheet taking-out work.
【図8】同じくシート固定作業の説明図である。FIG. 8 is an explanatory view of a seat fixing operation of the same.
1 樹脂製容器 2 帯電器 3 射出成形機 4 多関節ロボット 5 シート 6 押えバー 8 静電気発生装置 11 シート固定板 16 金型 23 治具 1 Resin Container 2 Charger 3 Injection Molding Machine 4 Articulated Robot 5 Sheet 6 Presser Bar 8 Static Electricity Generator 11 Sheet Fixing Plate 16 Mold 23 Jig
Claims (1)
収容する上面開放の容器と、前記プラスチックシートを
帯電させる帯電器と、この帯電したプラスチックシート
を固定可能な射出成形用金型と、前記プラスチックシー
トを一枚ずつ着脱自在に保持し得る治具をアーム先端に
備え前記容器から帯電器を経て金型へと前記プラスチッ
クシートを受渡し得る多関節ロボットと、を有すること
を特徴とする射出成形機の自動シート貼り装置。1. A container having an open upper surface for accommodating a number of stacked plastic sheets, a charger for charging the plastic sheets, an injection molding die capable of fixing the charged plastic sheets, and the plastic sheet. An automatic injection molding machine, comprising: a multi-joint robot that has a jig that can be detachably held one by one at the tip of an arm, and that can transfer the plastic sheet from the container to a mold through a charger. Sheet pasting device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4223561A JPH0647778A (en) | 1992-07-31 | 1992-07-31 | Automatic sheet attaching device of injection molding machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4223561A JPH0647778A (en) | 1992-07-31 | 1992-07-31 | Automatic sheet attaching device of injection molding machine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0647778A true JPH0647778A (en) | 1994-02-22 |
Family
ID=16800093
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4223561A Pending JPH0647778A (en) | 1992-07-31 | 1992-07-31 | Automatic sheet attaching device of injection molding machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0647778A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001060579A1 (en) * | 2000-02-15 | 2001-08-23 | Sas Automation Ltd. | Molding apparatus and method using a robot to introduce an insert into a mold |
JP2007076177A (en) * | 2005-09-14 | 2007-03-29 | Star Seiki Co Ltd | Method for electrostatically charging label in in-mold-label molding |
WO2011117562A1 (en) * | 2010-03-22 | 2011-09-29 | Van Leusden, Everardus Johannes Maria | A tile and a method and an apparatus for making a tile |
US8132743B2 (en) | 2004-06-03 | 2012-03-13 | Nordson Corporation | Color change for powder coating material application system |
KR20190006708A (en) * | 2017-07-11 | 2019-01-21 | 장석훈 | A Automatic injection molding method for name plate used cosmetic container |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02289317A (en) * | 1989-04-28 | 1990-11-29 | Pentel Kk | In-mold molding device |
-
1992
- 1992-07-31 JP JP4223561A patent/JPH0647778A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02289317A (en) * | 1989-04-28 | 1990-11-29 | Pentel Kk | In-mold molding device |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001060579A1 (en) * | 2000-02-15 | 2001-08-23 | Sas Automation Ltd. | Molding apparatus and method using a robot to introduce an insert into a mold |
US8132743B2 (en) | 2004-06-03 | 2012-03-13 | Nordson Corporation | Color change for powder coating material application system |
US10058884B2 (en) | 2004-06-03 | 2018-08-28 | Nordson Corporation | Color change for powder coating material application system |
JP2007076177A (en) * | 2005-09-14 | 2007-03-29 | Star Seiki Co Ltd | Method for electrostatically charging label in in-mold-label molding |
WO2011117562A1 (en) * | 2010-03-22 | 2011-09-29 | Van Leusden, Everardus Johannes Maria | A tile and a method and an apparatus for making a tile |
KR20190006708A (en) * | 2017-07-11 | 2019-01-21 | 장석훈 | A Automatic injection molding method for name plate used cosmetic container |
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