JP3503801B2 - Vacuum forming mold and vacuum forming method - Google Patents
Vacuum forming mold and vacuum forming methodInfo
- Publication number
- JP3503801B2 JP3503801B2 JP28800097A JP28800097A JP3503801B2 JP 3503801 B2 JP3503801 B2 JP 3503801B2 JP 28800097 A JP28800097 A JP 28800097A JP 28800097 A JP28800097 A JP 28800097A JP 3503801 B2 JP3503801 B2 JP 3503801B2
- Authority
- JP
- Japan
- Prior art keywords
- groove
- wood
- blade
- vacuum forming
- wood grain
- 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.)
- Expired - Fee Related
Links
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は自動車のドアトリム
用の成形品を成形するための真空成形型に関するもので
あり、さらに詳しくは成形と同時にドアトリム用成形品
に木目込み溝を形成するための木目込み刃を備えた真空
成形型およびそれを用いた真空成形方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum molding die for molding a molded product for a vehicle door trim, and more particularly to a wood graining blade for forming a grained groove in the molded product for a door trim simultaneously with molding. And a vacuum forming method using the same.
【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 which is a base material of a door trim, which is one of automobile interior parts, is a vinyl chloride skin having a foam layer on the surface of a base material formed by molding resin or wood into a door trim shape. The material is generally attached. As a method of sticking the skin material to the base material, the skin material is heated and softened by a heater to cover the base material, and the skin material is sucked by vacuum suction from a vacuum forming mold on which the base material is placed. The method of sticking to, that is, the so-called vacuum forming method is well known.
【０００３】図５にドアトリム用成形品の一例を示す。
ところで、ドアトリムには部分的に装飾用の布を貼着す
ることがある。このとき、貼着された布の周縁端末部が
露出していると美観を損ねるので、あらかじめ成形品に
深さ５ミリ程度の溝を形成しておき、布の周縁端末部を
該溝に差し込んで外から見えないようにすることが多
い。一般にこの処理を木目込みと呼び、この木目込みに
使用する前記の溝を木目込み溝Ｍという。該木目込み溝
Ｍは、あらかじめ基材に設けた溝に沿わせて表皮材を成
形貼着することで形成する。FIG. 5 shows an example of a molded product for door trim.
By the way, a decorative cloth may be partially attached to the door trim. At this time, if the peripheral edge portion of the attached cloth is exposed, the appearance is impaired. Therefore, a groove having a depth of about 5 mm is formed in the molded product in advance, and the peripheral edge portion of the cloth is inserted into the groove. I often make it invisible from the outside. Generally, this process is called graining, and the groove used for graining is called graining groove M. The wood grain groove M is formed by molding and adhering a skin material along the groove provided in the base material in advance.
【０００４】該木目込み溝Ｍは真空吸引のみによる成形
で形成することは可能である。しかし、実際には真空吸
引のみの力では溝の底部まで表皮材が引っ張れず、浮き
が生じる場合がある。そのため、図４のような木目込み
刃を備えた真空成形型による成形が一般的になってい
る。以下、その工程を説明する。下型１２に基材Ｗを載
置し、これに加熱軟化させた表皮材Ｓを被せ、上下動可
能な木目込み刃１４を真空吸引と同時に基材Ｗの溝に差
し込み、表皮材Ｓを溝の底部に抑えつけて確実に貼着す
る方法であり、これにより溝の底部において表皮材Ｓの
浮きのない、状態のよい木目込み溝を形成する。The wood grain groove M can be formed only by vacuum suction. However, in actuality, the skin material may not be pulled to the bottom of the groove by the force of only vacuum suction, and floating may occur. Therefore, a vacuum forming die having a wood cutting blade as shown in FIG. 4 is generally used for forming. The process will be described below. The base material W is placed on the lower mold 12, and the heat-softened skin material S is covered therewith, and the vertically movable wood grain cutting blade 14 is vacuum-sucked into the groove of the base material W at the same time. This is a method of holding the bottom surface of the groove and firmly adhering it, thereby forming a well-grained wood-groove groove in which the skin material S does not float at the bottom of the groove.
【０００５】上記方法は、木目込み刃１４の進行方向に
対して垂直にある溝、つまり基材Ｗを真空成形型に載置
した状態の平面部（図中のＦ部）にある溝は底部に向か
ってまっすぐ押さえることができる。ところが、ドアト
リムのデザインによっては木目込み溝がドアトリムのア
ッパー部（図中のＵ部）に及ぶ場合があり、その場合基
材Ｗを真空成形型に載置すると、溝は木目込み刃１４の
進行方向に平行に近くなる。この状態で上方から木目込
み刃１４を下降させて溝に差し込むと、木目込み刃１４
は底部に向かってまっすぐ押さえるのではなく、底部を
摺るように下降して表皮材Ｓを引っ張ってしまい、表皮
材Ｓが切断されたりしわがよったりして良好な木目込み
溝が形成できなくなる。According to the above method, the groove perpendicular to the direction of movement of the grain cutting blade 14, that is, the groove on the flat surface portion (F portion in the figure) of the state where the substrate W is placed on the vacuum forming die is at the bottom. You can hold it straight down. However, depending on the design of the door trim, the wood grain groove may extend to the upper part (U portion in the figure) of the door trim. In that case, when the base material W is placed on the vacuum forming die, the groove is formed in the moving direction of the wood grain blade 14. Get closer to parallel. In this state, when the woodgrain blade 14 is lowered from above and inserted into the groove, the woodgrain blade 14
Does not press straight toward the bottom, but slides down the bottom to pull the skin material S, and the skin material S is cut or wrinkled, so that a good wood grain groove cannot be formed.
【０００６】[0006]
【発明が解決しようとする課題】本発明は前記の問題点
を解決するために成されたものであり、ドアトリムのア
ッパー部にも良好な木目込み溝を形成することの可能な
真空成形型およびそれを用いた真空成形方法を提供する
ことを目的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and a vacuum forming die capable of forming a good wood grain groove in the upper portion of a door trim and a vacuum forming die therefor. An object of the present invention is to provide a vacuum forming method using.
【０００７】[0007]
【課題を解決するための手段】本発明における木目込み
刃を備えた真空成形型は、該木目込み刃がドアトリムの
平面部の木目込み溝を形成するための第一の木目込み刃
と、ドアトリムのアッパー部の木目込み溝を形成するた
めの第二の木目込み刃から成り、前者の木目込み刃は上
下動可能な上定盤に固定してあり、後者の木目込み刃は
シリンダにより可動でアッパー部の溝方向に対し垂直に
近い進行方向で作動することを特徴としている。また、
前記した後者の木目込み刃は上定盤に軸支部材で軸支さ
れ、シリンダの駆動により軸支部材を中心に旋回してア
ッパー部の木目込み溝を形成することが望ましい。さら
に、前記した後者の木目込み刃は直動ガイドに連結さ
れ、シリンダの駆動により直動してアッパー部の木目込
み溝を形成することが望ましい。そして上記の真空成形
型を用いた真空成形方法は、表皮材を真空成形して基材
に貼着すると同時に上定盤を下降させて第一の木目込み
刃を平面部の溝に差し込み、次いで又は同時にシリンダ
を駆動して第二の木目込み刃をアッパー部の溝の方向に
対して垂直に近い角度で進行させて溝に差し込み、成形
品に木目込み溝を形成することを特徴としている。A vacuum forming die provided with a wood grain blade according to the present invention comprises a first wood grain blade for forming the wood grain groove of the flat portion of the door trim by the wood grain blade and an upper portion of the door trim. It consists of a second wood grain blade to form a wood grain groove, the former wood grain blade is fixed to an upper surface plate that can move up and down, and the latter wood grain blade is movable by a cylinder and is perpendicular to the groove direction of the upper part. It is characterized in that it operates in a traveling direction close to. Also,
It is preferable that the above-mentioned wood grain blade is pivotally supported on the upper surface plate by a pivot member, and is rotated about the pivot member by the driving of the cylinder to form the wood grain groove of the upper portion. Further, it is desirable that the latter wood graining blade described above is connected to a linear guide and linearly moves by driving a cylinder to form a wood graining groove of the upper portion. And the vacuum forming method using the above vacuum forming die, vacuum forming the skin material and adhering it to the base material, and at the same time lowering the upper surface plate to insert the first wood cutting blade into the groove of the flat surface portion, and then or At the same time, the cylinder is driven to advance the second wood grain blade at an angle close to the direction perpendicular to the direction of the groove of the upper part and insert it into the groove to form a wood grain groove in the molded product.
【０００８】[0008]
【実施の形態】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は、本発明の真空成形型を示す。下
定盤１上に下型２が固定されており、該下型２は外部に
備えた真空吸引装置３と下定盤１を介して連通してい
る。４ａは平面部Ｆの木目込み溝を形成するための木目
込み刃であり、スペーサー５を介して上定盤６に固定さ
れている。４ｂはアッパー部Ｕの木目込み溝を形成する
ための木目込み刃であり、アーム７に固定されている。
該アーム７は軸支部材８を介して上定盤６に取り付けら
れている。さらにアーム７はシリンダ９のピストンロッ
ド９Ａと接続されており、該シリンダ９は前記スペーサ
ー５に固定されている。なお、Ｗは基材、Ｓは表皮材で
ある。Embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 shows a vacuum forming mold of the present invention. A lower die 2 is fixed on the lower surface plate 1, and the lower die 2 communicates with a vacuum suction device 3 provided outside through the lower surface plate 1. Reference numeral 4a denotes a wood graining blade for forming a wood graining groove of the flat portion F, which is fixed to the upper surface plate 6 via a spacer 5. Reference numeral 4b denotes a wood graining blade for forming a wood graining groove of the upper portion U, which is fixed to the arm 7.
The arm 7 is attached to the upper surface plate 6 via a shaft support member 8. Further, the arm 7 is connected to the piston rod 9A of the cylinder 9, and the cylinder 9 is fixed to the spacer 5. In addition, W is a base material and S is a skin material.
【０００９】上記のような実施の形態を用いて成形する
工程を以下説明する。図１のように基材Ｗを下型１の上
面に載置し、図示しないヒータにより加熱した表皮材Ｓ
を基材Ｗに被せる。そして、真空吸引装置３により下型
２内の空気を吸引し、表皮材Ｓを真空成形して基材Ｗに
貼着する。同時に上定盤６を下降させ、木目込み刃４ａ
を平面部Ｆの溝に差し込み、該木目込み刃４ａ先端で表
皮材Ｓを溝の底に押しつける。それに次いで、あるいは
同時にシリンダ９を駆動してアーム７を引っ張って木目
込み刃４ｂを軸支部材８中心に旋回させ、該木目込み刃
４ｂをアッパー部Ｕの溝に差し込む。木目込み刃４ｂ先
端は溝の方向に対して垂直に近い角度で進行し、表皮材
Ｓを溝の底に押しつける。こうして図２に示すような状
態になり、成形品に木目込み溝Ｍが形成される。A molding process using the above embodiment will be described below. As shown in FIG. 1, the base material W is placed on the upper surface of the lower mold 1, and the skin material S is heated by a heater (not shown).
The base material W is covered. Then, the vacuum suction device 3 sucks air in the lower mold 2, vacuum-forms the skin material S, and adheres it to the base material W. At the same time, the upper surface plate 6 is lowered, and the wood grain blade 4a
Is inserted into the groove of the flat portion F, and the skin material S is pressed against the bottom of the groove with the tip of the wood grain cutting blade 4a. Then, or at the same time, the cylinder 9 is driven to pull the arm 7 to rotate the wood grain cutting blade 4b around the pivot member 8 and insert the wood grain cutting blade 4b into the groove of the upper portion U. The tip of the wood graining blade 4b advances at an angle nearly perpendicular to the direction of the groove and presses the skin material S against the bottom of the groove. In this way, the state shown in FIG. 2 is obtained, and the wood grain groove M is formed in the molded product.
【００１０】また、図３には本発明における真空成形型
の他の実施の形態を示す。本実施の形態は木目込み刃４
ｂを取り付けたアーム７を上定盤６にて軸支せず、シリ
ンダ９のピストンロッド９Ａと直動ガイド１０のガイド
ロッド１０Ａに接続してある。シリンダ９と直動ガイド
１０はスペーサー５に固定されている。シリンダ９を駆
動すると木目込み刃４ｂは水平に近い角度で直動して、
溝に差し込まれて表皮材Ｓを溝の底に押しつける。FIG. 3 shows another embodiment of the vacuum forming die according to the present invention. The present embodiment has a wood grain blade 4
The arm 7 to which b is attached is not pivotally supported by the upper surface plate 6, but is connected to the piston rod 9A of the cylinder 9 and the guide rod 10A of the linear guide 10. The cylinder 9 and the linear guide 10 are fixed to the spacer 5. When the cylinder 9 is driven, the wood grain blade 4b moves linearly at an angle close to horizontal,
It is inserted into the groove and the skin material S is pressed against the bottom of the groove.
【００１１】[0011]
【発明の効果】本発明は上記の説明から明らかなよう
に、ドアトリム用の成形品を成形する真空成形型および
真空成形方法において、成形品に木目込み溝を形成する
ための木目込み刃を平面用とアッパー用に分割し、アッ
パー用木目込み刃をシリンダにより駆動して溝に垂直に
近い進行方向で表皮材を押さえるようにしたので、ドア
トリムのアッパー部にも良好な木目込み溝を形成するこ
とが可能となる。As is apparent from the above description, the present invention provides a vacuum forming die and a vacuum forming method for forming a molded product for a door trim, wherein a wood graining blade for forming a wood grain groove is formed on the molded product. Since it is divided for the upper part and the upper wood grain blade is driven by the cylinder to press the skin material in a traveling direction that is close to the groove, it is possible to form a good wood grain groove in the upper part of the door trim. Become.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明の実施の形態における、要部断面図であ
る。FIG. 1 is a cross-sectional view of essential parts in an embodiment of the present invention.
【図２】本発明の実施の形態における、木目込み溝の成
形状態を示す要部断面図である。FIG. 2 is a cross-sectional view of essential parts showing a molded state of a wood grain groove in the embodiment of the present invention.
【図３】本発明の他の実施の形態における、要部断面図
である。FIG. 3 is a cross-sectional view of essential parts in another embodiment of the present invention.
【図４】従来技術における、真空成形型の要部断面図で
ある。FIG. 4 is a cross-sectional view of a main part of a vacuum forming die according to a conventional technique.
【図５】ドアトリム用成形品の概略図である。FIG. 5 is a schematic view of a door trim molded product.
Ｓ 表皮材 Ｗ 基材 Ｆ ドアトリム平面部 Ｕ ドアトリムアッパー部 ４ａ 平面部用木目込み刃 ４ｂ アッパー部用木目込み刃 ６ 上定盤 ８ 軸支部材 ９ シリンダ １０ 直動ガイド S skin material W base material F Door trim flat part U Door trim upper part 4a Plane wood grain blade 4b Upper part wood grain blade 6 Upper surface plate 8 Shaft support members 9 cylinders 10 Linear motion guide
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平９−234784（ＪＰ，Ａ) 特開 平９−183155（ＪＰ，Ａ) 実開 昭61−200221（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) B29C 51/00 - 51/46 B29C 33/00 - 33/76 B29C 39/26 - 39/36 B29C 41/38 - 41/44 B29C 43/36 - 43/42 B29C 43/50 B29C 45/26 - 45/44 B29C 45/64 - 45/68 B29C 45/73 B29C 49/48 - 49/56 B29C 49/70 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-9-234784 (JP, A) JP-A-9-183155 (JP, A) Actual development Sho 61-200221 (JP, U) (58) Survey Field (Int.Cl. 7 , DB name) B29C 51/00-51/46 B29C 33/00-33/76 B29C 39/26-39/36 B29C 41/38-41/44 B29C 43/36-43 / 42 B29C 43/50 B29C 45/26-45/44 B29C 45/64-45/68 B29C 45/73 B29C 49/48-49/56 B29C 49/70
Claims (4)
し、かつ該成形品に木目込み溝を形成する、木目込み刃
を備えた真空成形型であって、該木目込み刃はドアトリ
ムの平面部Ｆの木目込み溝を形成するための木目込み刃
４ａと、ドアトリムのアッパー部Ｕの木目込み溝を形成
するための木目込み刃４ｂから成り、前者の木目込み刃
４ａは上下動可能な上定盤６に固定してあり、後者の木
目込み刃４ｂはシリンダ９により可動でアッパー部Ｕの
溝方向に対し垂直に近い進行方向で作動することを特徴
とする真空成形型。1. A vacuum forming die having a wood graining blade for vacuum-molding a molded article for a door trim of an automobile and forming a wood grain groove in the molded article, wherein the wood grain blade has a wood grain surface of a flat portion F of the door trim. It comprises a wood grain blade 4a for forming a groove and a wood grain blade 4b for forming a wood grain groove of the upper portion U of the door trim. The former wood grain blade 4a is fixed to an upper surface plate 6 which is vertically movable, The latter wood graining blade 4b is movable by a cylinder 9 and operates in a traveling direction nearly perpendicular to the groove direction of the upper portion U, which is a vacuum forming die.
材８で軸支され、シリンダ９の駆動により軸支部材８を
中心に旋回してアッパー部Ｕの木目込み溝を形成するこ
とを特徴とする請求項１記載の真空成形型。2. The grain cutting blade 4b is rotatably supported on the upper surface plate 6 by a rotatably supporting member 8, and is rotated about the rotatably supporting member 8 by the driving of a cylinder 9 to form a grain grooving groove of the upper portion U. The vacuum forming mold according to claim 1, which is characterized in that.
連結され、シリンダ９の駆動により直動してアッパー部
Ｕの木目込み溝を形成することを特徴とする請求項１記
載の真空成形型。3. The vacuum forming die according to claim 1, wherein the wood graining blade 4b is connected to the linear motion guide 10 and linearly moves by driving the cylinder 9 to form a wood graining groove of the upper portion U.
いた真空成形方法であって、表皮材Ｓを真空成形して基
材Ｗに貼着すると同時に上定盤６を下降させて木目込み
刃４ａを平面部Ｆの溝に差し込み、次いで又は同時にシ
リンダ９を駆動して木目込み刃４ｂをアッパー部Ｕの溝
の方向に対して垂直に近い角度で進行させて溝に差し込
み、成形品に木目込み溝Ｍを形成することを特徴とする
真空成形方法。4. A vacuum forming method using the vacuum forming die according to claim 1, 2 or 3, wherein the skin material S is vacuum formed and adhered to the base material W, and at the same time, the upper surface plate 6 is lowered. The wood cutting blade 4a is inserted into the groove of the flat surface portion F, and then or simultaneously, the cylinder 9 is driven to advance the wood cutting blade 4b at an angle close to the direction perpendicular to the groove direction of the upper portion U, and is inserted into the groove to form a molded product. A vacuum forming method, characterized in that a wood grain groove M is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28800097A JP3503801B2 (en) | 1997-10-03 | 1997-10-03 | Vacuum forming mold and vacuum forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28800097A JP3503801B2 (en) | 1997-10-03 | 1997-10-03 | Vacuum forming mold and vacuum forming method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11105126A JPH11105126A (en) | 1999-04-20 |
| JP3503801B2 true JP3503801B2 (en) | 2004-03-08 |
Family
ID=17724516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28800097A Expired - Fee Related JP3503801B2 (en) | 1997-10-03 | 1997-10-03 | Vacuum forming mold and vacuum forming method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3503801B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001063483A (en) * | 1999-08-31 | 2001-03-13 | T S Tec Kk | Setting die for tucking skin material of vehicular interior trim member |
| KR100457313B1 (en) * | 2002-06-26 | 2004-11-16 | 현대자동차주식회사 | Pad adhering device |
| JP2014008801A (en) * | 2012-06-27 | 2014-01-20 | Ts Tech Co Ltd | Vehicle door lining |
| CN103009771B (en) * | 2012-12-27 | 2015-10-21 | 青岛双林汽车部件有限公司 | The coated cutter of door-plate |
-
1997
- 1997-10-03 JP JP28800097A patent/JP3503801B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11105126A (en) | 1999-04-20 |
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