JPH11105122A - Method and apparatus for simultaneously entraining in vacuum molding - Google Patents
Method and apparatus for simultaneously entraining in vacuum moldingInfo
- Publication number
- JPH11105122A JPH11105122A JP28799897A JP28799897A JPH11105122A JP H11105122 A JPH11105122 A JP H11105122A JP 28799897 A JP28799897 A JP 28799897A JP 28799897 A JP28799897 A JP 28799897A JP H11105122 A JPH11105122 A JP H11105122A
- Authority
- JP
- Japan
- Prior art keywords
- edge
- base material
- skin material
- vacuum forming
- skin
- 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
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、自動車内装材等に
用いられる樹脂成形品の生産における基材と表皮材との
真空成形、表皮材の基材縁部への巻き込み、並びに表皮
材のトリミングの各作業を行う方法及びその装置に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to vacuum forming of a base material and a skin material in the production of a resin molded product used for an automobile interior material, etc., winding of the skin material around the base material edge, and trimming of the skin material. And a device for performing the above operations.
【０００２】[0002]
【従来の技術】自動車の内装部品のひとつであるドアト
リムのベース材料となる成形品は、樹脂や木質材等をド
アトリムの形状に成形した基材の表面に、発泡層を有す
る塩化ビニール製の表皮材を貼着したものが一般的であ
る。基材に表皮材を貼着する方法としては、表皮材をヒ
ータにより加熱軟化させて基材に被せ、該基材を載置し
た真空成形型からの真空吸引により表皮材を吸引して基
材に貼着する方法、いわゆる真空成形法がよく知られて
いる。2. Description of the Related Art A molded article serving as a base material of a door trim, which is one of the interior parts of an automobile, is made of a vinyl chloride skin having a foam layer on a surface of a base material formed of a resin or a wood material in a door trim shape. A material to which a material is adhered is generally used. As a method of adhering the skin material to the base material, the skin material is heated and softened by a heater, covered with the base material, and the skin material is sucked by vacuum suction from a vacuum forming die on which the base material is mounted. The so-called vacuum forming method is well known.
【０００３】[0003]
【発明が解決しようとする課題】上記のように基材の上
面に表皮材を真空成形により貼着するものにおいて基材
の下周縁部に水平方向に突出する縁部がある場合は、特
開平８ー３１８５７０号公報に示されているように刃物
状のトリミング刃により表皮材の巻き込みと、切断とを
行うようにしている。この表皮材の巻き込みの際に、刃
物状のトリミング刃により表皮材を傷つけたり、途中に
おいて切断させてしまう等の問題が発生していた。また
表皮材の切断（トリミング）も真空成形型に対してトリ
ミング刃の刃先が均一に当て切りされないため強い押圧
力を要し、トリミングのシリンダ機構が大型化する問題
もあった。本発明は上記の問題に鑑みて成されたもの
で、基材の下周縁部に水平方向に突出する縁部がある場
合において、表皮材の巻き込みの際に表皮材を傷つけた
り途中において切断させてしまうという不都合が起こら
ないと共に表皮材のトリミングを簡単確実にできる真空
成形同時巻き込み方法及びその装置を提供することを目
的とする。As described above, in the case where a skin material is adhered to the upper surface of a base material by vacuum forming, if the lower peripheral edge of the base material has an edge projecting in the horizontal direction, the method disclosed in As shown in Japanese Patent Application Laid-Open No. 8-318570, the cutting and winding of the skin material is performed by a blade-shaped trimming blade. At the time of the entrainment of the skin material, there has been a problem that the skin material is damaged by the blade-shaped trimming blade or cut off in the middle. Also, the cutting (trimming) of the skin material has a problem in that the cutting edge of the trimming blade is not evenly applied to the vacuum forming die, so a strong pressing force is required, and the size of the trimming cylinder mechanism is increased. The present invention has been made in view of the above problems, in the case where there is an edge protruding in the horizontal direction at the lower peripheral edge of the base material, when the skin material is wound, the skin material is damaged or cut in the middle. It is an object of the present invention to provide a vacuum forming simultaneous winding method and an apparatus therefor which can prevent the inconvenience of trimming and can easily and reliably trim the skin material.
【０００４】[0004]
【課題を解決するための手段】上記の目的を達成するた
めに本発明における真空成形同時巻き込み方法は、周縁
部を立壁に構成した真空成形型の上部に、その下周縁部
に水平方向に突出する縁部を形成した基材を前記立壁の
下端に対し浮かせた状態にして載置する工程と、該基材
の上部に表皮材を被せて該表皮材を基材上面に真空成形
により貼着する工程と、前記基材の縁部上にある表皮材
を押さえ部材により基材に押さえつけた後、前記縁部か
らはずれた表皮材部分をトリミング板により該縁部の下
面に巻き込むと共に該表皮材の余り部分を該縁部の基端
において高周波誘導加熱により溶断する工程と、から成
ることを特徴とし、また本発明における真空成形同時巻
き込み装置は、周縁部を立壁に構成すると共に該立壁に
高周波電極を埋め込み、もって下周縁部に水平方向に突
出した縁部を形成した基材を該立壁の下端に対して浮か
せた状態にして載置すると共に該基材上部に被せた表皮
材を真空吸引により該基材上面に貼着させるようにした
真空成形型と、前記真空成形型における立壁外側上方
に、前記表皮材を基材の縁部上面に押さえつけ可能にし
た押さえ部材と、前記真空成形型の立壁外側においてそ
の上面が前記基材の縁部下面に沿って往復移動可能にさ
れると共に前記高周波電極に対応する電極を設けたトリ
ミング板と、を備えたことを特徴とするものである。SUMMARY OF THE INVENTION In order to achieve the above object, a simultaneous winding method for vacuum forming according to the present invention is characterized in that a peripheral part is formed on an upper part of a vacuum forming die formed on an upright wall, and a lower peripheral part is projected horizontally. Placing the base material having an edge formed thereon in a state of being floated with respect to the lower end of the standing wall, placing a skin material on the top of the base material, and attaching the skin material to the top surface of the base material by vacuum forming And pressing the skin material on the edge of the base material against the base material by a pressing member, and then winding the skin material part deviated from the edge onto the lower surface of the edge with a trimming plate and the skin material And fusing the remaining portion at the base end of the edge by high-frequency induction heating.The simultaneous forming apparatus for vacuum forming according to the present invention comprises Fill electrode In this case, a base material having an edge protruding in the horizontal direction on the lower peripheral part is placed in a state of being floated with respect to the lower end of the upright wall, and the skin material covered on the base material is vacuum-sucked. A vacuum forming die to be adhered to the upper surface of the base material, a pressing member capable of pressing the skin material on the upper surface of the edge of the base material above the outer wall of the vacuum forming die, and an erect wall of the vacuum forming die. And a trimming plate provided with an electrode corresponding to the high-frequency electrode, the upper surface of which is reciprocally movable along the lower surface of the edge of the base material on the outside.
【０００５】[0005]
【実施の形態】以下本発明の実施の形態を図面に基づい
て詳しく説明する。図１において真空ポンプ１に連通す
るテーブル２の上部には、全体を肉厚シェル殻状とし、
周縁部を立壁３Ａに形成すると共に多数の吸引孔３Ｂを
穿孔し、前記立壁３Ａ部に高周波電極４を埋め込んだ真
空成形型３が固定されている。なお高周波電極４は、銅
製で円筒状に構成してあって内部に冷却水路５を有して
いる。前記真空成形型３の上部には、下周縁部に水平方
向に突出する縁部Ｆを有する基材Ｗが載置され、前記立
壁３Ａの下端に対してその下端が浮き上がった状態に支
持される。さらに前記真空成形型３上に載置された基材
Ｗの縁部Ｆ上方には、表皮材Ｓを縁部Ｆ上面に押さえつ
けるための押さえ部材６が昇降可能にして設けられてい
る。また前記真空成形型３の立壁３Ａの外側には、前記
真空成形型３に載置された基材Ｗの縁部Ｆの下面の延長
線上外側においてシリンダ７を介して水平往復移動可能
にしてトリミング板８が配置されている。なお該トリミ
ング板８は、前記立壁３Ａに埋め込まれた高周波電極４
に対応する電極になっていて前記高周波電極４には電流
が流され前記立壁３Ａとトリミング板８とが特定の位置
関係になるまで接近するとトリミング板８の先端が所定
の温度に高周波誘導加熱されるように構成されている。
なお図中９はトリミング板を冷却するための冷却管であ
る。また図中１０は表皮材Ｓの周縁をクランプして図示
されないヒータにより表皮材Ｓを加熱軟化させ、加熱軟
化された表皮材Ｓを基材Ｗ上に被せるクランプバーであ
る。Embodiments of the present invention will be described below in detail with reference to the drawings. In the upper part of the table 2 communicating with the vacuum pump 1 in FIG.
A peripheral portion is formed on the upright wall 3A, and a large number of suction holes 3B are formed. A vacuum forming die 3 in which the high-frequency electrode 4 is embedded in the upright wall 3A is fixed. The high-frequency electrode 4 is made of copper in a cylindrical shape, and has a cooling water passage 5 therein. On the upper part of the vacuum forming die 3, a base material W having an edge F projecting horizontally in a lower peripheral part is placed, and the lower end is supported in a state where the lower end is raised with respect to the lower end of the upright wall 3A. . Further, a pressing member 6 for pressing the skin material S against the upper surface of the edge F is provided above the edge F of the base material W placed on the vacuum forming die 3 so as to be able to move up and down. Outside the vertical wall 3A of the vacuum forming die 3, trimming is performed by horizontally reciprocating via a cylinder 7 on the extension of the lower surface of the edge F of the base material W placed on the vacuum forming die 3. A plate 8 is arranged. The trimming plate 8 is provided with a high-frequency electrode 4 embedded in the upright wall 3A.
When a current flows through the high-frequency electrode 4 and the vertical wall 3A and the trimming plate 8 approach each other until a specific positional relationship is established, the tip of the trimming plate 8 is induction-heated to a predetermined temperature by high-frequency induction. It is configured to:
In the drawing, reference numeral 9 denotes a cooling pipe for cooling the trimming plate. In the figure, reference numeral 10 denotes a clamp bar which clamps the periphery of the skin material S, heats and softens the skin material S with a heater (not shown), and covers the heat-softened skin material S on the base material W.
【０００６】このように構成されたものの作動について
説明する。真空成形型３の上部に、下周縁部に水平方向
に突出する縁部Ｆを形成した基材Ｗを、該縁部Ｆが真空
成形型３の立壁３Ａの下端から浮き上がった状態にして
載置する。次にクランプバー１０により周縁部を保持さ
れた表皮材Ｓを図示されないヒータにより加熱軟化させ
た状態で表皮材Ｓを基材Ｗの上部に被せ真空ポンプ１と
テーブル２と真空成形型３とで画成する空間とを連通す
る。これにより表皮材Ｓは基材Ｗの上面部に吸引密着さ
れ縁部Ｆの下面に対応する部分のみが密着されない図１
の状態にされる。次に押さえ部材６が下降されて表皮材
Ｓを基材Ｗの縁部Ｆに押さえつけて図２の状態にされ
る。この場合押さえ部材６は基材Ｗの縁部Ｆが変形しな
い程度の力で表皮材Ｓを押さえつける。[0006] The operation of the above-described structure will be described. On the upper part of the vacuum forming die 3, a base material W having an edge F projecting horizontally in a lower peripheral portion is placed with the edge F raised from the lower end of the standing wall 3A of the vacuum forming die 3. I do. Next, in a state where the skin material S whose peripheral portion is held by the clamp bar 10 is heated and softened by a heater (not shown), the skin material S is put on the base material W, and the vacuum pump 1, the table 2, and the vacuum forming mold 3 are used. Communicate with the space to be defined. As a result, the skin material S is attracted and adhered to the upper surface of the base material W, and only the portion corresponding to the lower surface of the edge F is not adhered.
It is in the state of. Next, the pressing member 6 is lowered to press the skin material S against the edge F of the base material W to be in the state shown in FIG. In this case, the pressing member 6 presses the skin material S with such a force that the edge F of the base material W is not deformed.
【０００７】次に高周波電極４に電流を流した状態でシ
リンダ７が押出し作動してトリミング板８を前進させて
トリミング板８により表皮材Ｓを縁部Ｆの下面に沿って
押しつけながら水平移動して図３のように縁部Ｆの下面
に表皮材Ｓを貼着させて巻き込んでゆく。さらにトリミ
ング板８を真空成形型３の立壁３Ａに接近させてゆき両
者が所定の位置関係に達するとトリミング板８に高周波
電流が流れトリミング板８の先端が所定の温度に高周波
誘導加熱されて表皮材Ｓがトリミング板８により溶断
（焼き切り）される。（図４）次にシリンダ７及び押さ
え部材６が逆作動してトリミング板８が表皮材Ｓ部分か
ら離されると共に押さえ部材６も離されて図５の状態に
された後真空吸引を停止し、クランプバー１０に保持さ
れている表皮材Ｓの余り部分が取り除かれると共に成形
された成形品（基材Ｗに表皮材Ｓを貼着すると共に縁部
Ｆに巻き込んで溶断したもの）を真空成形型３から取り
出す。以下真空成形型３上に次の基材Ｗを載置し、加熱
軟化させた表皮材Ｓを基材Ｗ上に被せ真空成形型３側か
らの吸引作用により表皮材Ｓを吸引密着させて図１の状
態にされて上記の作動を繰り返し行う。Next, the cylinder 7 is pushed out and the trimming plate 8 is advanced with the current flowing through the high-frequency electrode 4 to move the trimming plate 8 horizontally while pressing the skin material S along the lower surface of the edge F by the trimming plate 8. Then, as shown in FIG. 3, the skin material S is adhered to the lower surface of the edge portion F and rolled up. Further, when the trimming plate 8 is moved closer to the vertical wall 3A of the vacuum forming die 3 and both reach a predetermined positional relationship, a high-frequency current flows through the trimming plate 8 and the tip of the trimming plate 8 is induction-heated to a predetermined temperature by high-frequency induction, so that the skin is covered. The material S is melted (burned) by the trimming plate 8. (FIG. 4) Next, the cylinder 7 and the pressing member 6 are operated in reverse, so that the trimming plate 8 is separated from the skin material S portion and the pressing member 6 is also separated to the state shown in FIG. The remaining part of the skin material S held by the clamp bar 10 is removed, and the formed product (the skin material S is stuck on the base material W and is wound around the edge F and blown) is vacuum-molded. Remove from 3. Hereinafter, the next substrate W is placed on the vacuum forming die 3, and the heat-softened skin material S is placed on the substrate W, and the skin material S is brought into close contact with the vacuum forming die 3 by suction from the vacuum forming die 3. In the state of 1, the above operation is repeated.
【０００８】[0008]
【発明の効果】本発明は上記の説明から明らかなよう
に、その下周縁部に水平方向に突出する縁部を有する基
材に対して表皮材を真空吸引貼着させた後トリミング板
により表皮材を基材の縁部下面に対して巻き込み貼着す
ると同時に余った部分を高周波誘導加熱により溶断トリ
ミングするようにしたから、縁部を有する基材に対して
表皮材の巻き込みの際に、表皮材を傷つけたり途中にお
いて切断することなく表皮材を真空吸引貼着すると同時
に縁部への巻き込み及びトリミングを簡単かつ確実に実
施できるようになる。According to the present invention, as apparent from the above description, a skin material is vacuum-adhered to a base material having a horizontally projecting edge at its lower peripheral edge, and then the skin is trimmed by a trimming plate. Since the material is wound around the lower surface of the base material and adhered, and the surplus part is cut off by high-frequency induction heating, the skin material is wound on the base material with the edge. At the same time, the skin material can be vacuum-adhered and adhered without being damaged or cut in the middle, and at the same time, winding and trimming on the edge can be easily and reliably performed.
【図１】表皮材を基材上面に真空吸引貼着させた状態の
要部を示す断面図である。FIG. 1 is a cross-sectional view showing a main part in a state where a skin material is adhered to a top surface of a base material by vacuum suction.
【図２】基材の縁部に表皮材を押さえつけた状態の要部
を示す断面図である。FIG. 2 is a cross-sectional view showing a main part in a state where a skin material is pressed against an edge of a base material.
【図３】基材の縁部下面に表皮材を巻き込んだ状態の要
部を示す断面図である。FIG. 3 is a cross-sectional view showing a main part in a state where a skin material is wound around a lower surface of an edge of a base material.
【図４】表皮材を基材の縁部基端でトリミングした状態
の要部を示す断面図である。FIG. 4 is a cross-sectional view showing a main part in a state where the skin material is trimmed at the base end of the edge of the base material.
【図５】押さえ部材及びトリミング板を復帰させた状態
の要部を示す断面図である。FIG. 5 is a cross-sectional view showing a main part in a state where a pressing member and a trimming plate are returned.
３ 真空成形型 ３Ａ 立壁 ４ 高周波電極 ６ 押さえ部材 ８ トリミング板 Ｆ 縁部 Ｓ 表皮材 Ｗ 基材 Reference Signs List 3 vacuum forming die 3A standing wall 4 high-frequency electrode 6 holding member 8 trimming plate F edge S skin material W base material
Claims (2)
部に、その下周縁部に水平方向に突出する縁部を形成し
た基材を前記立壁の下端に対し浮かせた状態にして載置
する工程と、該基材の上部に表皮材を被せて該表皮材を
基材上面に真空成形により貼着する工程と、前記基材の
縁部上にある表皮材を押さえ部材により基材に押さえつ
けた後、前記縁部からはずれた表皮材部分をトリミング
板により該縁部の下面に巻き込むと共に該表皮材の余り
部分を該縁部の基端において高周波誘導加熱により溶断
する工程と、から成ることを特徴とする真空成形同時巻
き込み方法。1. A base material having an edge protruding horizontally in a lower peripheral portion is mounted on an upper portion of a vacuum forming die having a peripheral portion formed as an upright wall in a state of being floated with respect to a lower end of the upright wall. Performing a step of: covering a skin material on the upper part of the base material and attaching the skin material to the upper surface of the base material by vacuum forming; and pressing the skin material on the edge of the base material to the base material by a pressing member. After the pressing, winding the skin portion off the edge portion on the lower surface of the edge portion by a trimming plate, and fusing the remaining portion of the skin material at the base end of the edge portion by high-frequency induction heating. A simultaneous winding method for vacuum forming.
壁３Ａに高周波電極４を埋め込み、もって下周縁部に水
平方向に突出した縁部Ｆを形成した基材Ｗを該立壁３Ａ
の下端に対して浮かせた状態にして載置すると共に該基
材Ｗ上部に被せた表皮材Ｓを真空吸引により該基材Ｗ上
面に貼着させるようにした真空成形型３と、前記真空成
形型３における立壁３Ａ外側上方に、前記表皮材Ｓを基
材Ｗの縁部Ｆ上面に押さえつけ可能にした押さえ部材６
と、前記真空成形型３の立壁３Ａ外側においてその上面
が前記基材Ｗの縁部Ｆ下面に沿って往復移動可能にされ
ると共に前記高周波電極４に対応する電極９を設けたト
リミング板８と、を備えたことを特徴とする真空成形同
時巻き込み装置。2. A base material W having a peripheral portion formed on an upright wall 3A and a high-frequency electrode 4 embedded in the upright wall 3A, thereby forming an edge F projecting horizontally in a lower peripheral portion.
A vacuum forming die 3 which is placed in a state of being floated with respect to the lower end of the base material W, and the skin material S covered on the base material W is attached to the upper surface of the base material W by vacuum suction; A pressing member 6 that enables the skin material S to be pressed against the upper surface of the edge F of the base material W above the outside of the standing wall 3A of the mold 3.
And a trimming plate 8 provided with an electrode 9 corresponding to the high-frequency electrode 4, the upper surface of which can be reciprocated along the lower surface of the edge F of the base material W outside the vertical wall 3 </ b> A of the vacuum forming die 3. , A vacuum forming simultaneous winding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28799897A JPH11105122A (en) | 1997-10-03 | 1997-10-03 | Method and apparatus for simultaneously entraining in vacuum molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28799897A JPH11105122A (en) | 1997-10-03 | 1997-10-03 | Method and apparatus for simultaneously entraining in vacuum molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11105122A true JPH11105122A (en) | 1999-04-20 |
Family
ID=17724489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28799897A Pending JPH11105122A (en) | 1997-10-03 | 1997-10-03 | Method and apparatus for simultaneously entraining in vacuum molding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11105122A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101817233A (en) * | 2010-04-07 | 2010-09-01 | 洪志强 | Manufacturing process of airbag type vibration isolating pad |
| JP2013071271A (en) * | 2011-09-27 | 2013-04-22 | Toyoda Gosei Co Ltd | Excessive film trimming method for film decorative molding, and apparatus for the same |
| EP2614950A4 (en) * | 2011-10-04 | 2013-09-18 | Asano Lab Co Ltd | Molding device and molding method |
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1997
- 1997-10-03 JP JP28799897A patent/JPH11105122A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101817233A (en) * | 2010-04-07 | 2010-09-01 | 洪志强 | Manufacturing process of airbag type vibration isolating pad |
| JP2013071271A (en) * | 2011-09-27 | 2013-04-22 | Toyoda Gosei Co Ltd | Excessive film trimming method for film decorative molding, and apparatus for the same |
| EP2614950A4 (en) * | 2011-10-04 | 2013-09-18 | Asano Lab Co Ltd | Molding device and molding method |
| EP2647487A1 (en) * | 2011-10-04 | 2013-10-09 | Asano Laboratories Co., Ltd. | Forming apparatus and forming method |
| US9505170B2 (en) | 2011-10-04 | 2016-11-29 | Asano Laboratories Co., Ltd. | Forming apparatus and forming method |
| US9511541B2 (en) | 2011-10-04 | 2016-12-06 | Asano Laboratories Co., Ltd. | Forming apparatus and forming method |
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