JPH0655380B2 - Synthetic resin molded body having a bent portion to which a skin material is attached, and a method for producing the synthetic resin molded body - Google Patents
Synthetic resin molded body having a bent portion to which a skin material is attached, and a method for producing the synthetic resin molded bodyInfo
- Publication number
- JPH0655380B2 JPH0655380B2 JP1176328A JP17632889A JPH0655380B2 JP H0655380 B2 JPH0655380 B2 JP H0655380B2 JP 1176328 A JP1176328 A JP 1176328A JP 17632889 A JP17632889 A JP 17632889A JP H0655380 B2 JPH0655380 B2 JP H0655380B2
- Authority
- JP
- Japan
- Prior art keywords
- synthetic resin
- skin material
- molded body
- resin molded
- bent portion
- 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 - Lifetime
Links
Description
【発明の詳細な説明】 （産業上の利用分野） この発明は表皮材を貼着した折曲部を持つ合成樹脂成形
体の製造方法に関し、表皮材を貼着した折曲部を持つ合
成樹脂成形体を製造する際に、表皮材のうち合成樹脂成
形体の角部に相当する部位に、熔融合成樹脂がしみだし
たり、前記合成樹脂成形体の角部上の表皮材に薄肉化や
破断が生じることがない、表皮材を貼着した折曲部を持
つ合成樹脂成形体およびこの合成樹脂成形体の製造方法
の提供にある。Description: TECHNICAL FIELD The present invention relates to a method for producing a synthetic resin molded body having a bent portion to which a skin material is attached, and a synthetic resin having a bent portion to which a skin material is attached. When manufacturing a molded body, the fused resin oozes into a portion of the skin material corresponding to the corner of the synthetic resin molding, or the skin material on the corner of the synthetic resin molding is thinned or broken. (EN) It is intended to provide a synthetic resin molded body having a bent portion to which a skin material is adhered, and a method for manufacturing the synthetic resin molded body, which does not cause the occurrence of the above phenomenon.
（従来の技術） 表皮材と合成樹脂とを一つの工程によって一体成形する
ことにより、表皮材を貼着した折曲部を持つ合成樹脂成
形体を製造する方法としては、例えば第３図(A)(B)に示
すような上下分離型とした金型を用いて行われる（特開
昭63-159022号公報）。(Prior Art) As a method for manufacturing a synthetic resin molded body having a bent portion to which a skin material is adhered by integrally molding a skin material and a synthetic resin in one step, for example, FIG. ) (B) is performed by using a vertically separated mold (Japanese Patent Laid-Open No. 63-159022).
上下分離型の金型を使用する場合、熔融合成樹脂(e)を
雄金型(a)、雌金型(b)のうちいずれか一方に配し、この
後上下両金型を噛合させるので、表皮材(d)と熔融合成
樹脂(e)を金型の型締めによってキャビティ(c)内で一体
とすることができる。When using the upper and lower separation molds, place the fused resin (e) on either the male mold (a) or the female mold (b), and then the upper and lower molds will be engaged. The skin material (d) and the fused resin (e) can be integrated in the cavity (c) by clamping the mold.
具体的な製造工程を説明すると表皮材(d)を予め前記両
金型(a)(b)間に配設し、この後、雄金型(a)上に熔融合
成樹脂(e)を供給する。Explaining the specific manufacturing process, the skin material (d) is previously disposed between the molds (a) and (b), and then the fusion resin (e) is supplied onto the male mold (a). To do.
次に前記両金型を噛合させ、そのキャビティ(c)内で表
皮材を貼着した折曲部を持つ合成樹脂成形体を製造す
る。Next, the two molds are engaged with each other, and a synthetic resin molded body having a bent portion to which a skin material is attached is manufactured in the cavity (c).
また、表皮材と合成樹脂とを一つの工程によって一体成
形することにより、表皮材を貼着した折曲部を持つ合成
樹脂成形体としては、実公昭53-19181号公報に開示され
たものがある。Further, as a synthetic resin molded body having a bent portion to which the skin material is adhered by integrally molding the skin material and the synthetic resin in one step, the one disclosed in Japanese Utility Model Publication No. Sho 53-19181 is available. is there.
この合成樹脂成形体は図４に示すように、基体部(g)と
この基体部(g)に角部(h)を介して連設された折曲部(i)
とから構成され、この基体部(g)の表面にのみ金属薄膜
(j)を貼着してなるものである。As shown in FIG. 4, this synthetic resin molded body has a base portion (g) and a bent portion (i) connected to the base portion (g) through corners (h).
And a metal thin film only on the surface of the base portion (g).
It is made by attaching (j).
更に、表皮材と合成樹脂とを一つの工程によって一体成
形することにより、表皮材を貼着した折曲部を持つ合成
樹脂成形体として、特公昭63-158239号公報に開示され
たものがある。Further, as a synthetic resin molded body having a bent portion to which a skin material is adhered by integrally molding a skin material and a synthetic resin in one step, there is one disclosed in Japanese Patent Publication No. Sho 63-158239. .
この合成樹脂成形体は図５に示すように、角部(k)を有
する基材(l)の上面にのみ接着剤(m)を介して織物(n)を
貼着してなるものである。As shown in FIG. 5, this synthetic resin molded body is formed by sticking a woven fabric (n) only on the upper surface of a base material (l) having corners (k) via an adhesive (m). .
（発明が解決しようとする課題） しかしながら、上記特開昭63-159022号の製造方法は両
金型(a)(b)の型締め時に表皮材(d)が成形品の深さと同
じかそれより深く絞られることにより成形されるので、
次に述べる課題があった。(Problems to be solved by the invention) However, in the manufacturing method of JP-A-63-159022, whether the skin material (d) is the same as the depth of the molded product when the molds (a) and (b) are clamped. Because it is molded by drawing more deeply,
There were the following issues.
すなわち、型締め時に表皮材(d)の絞られる深さが成形
品の深さと同じか、それより深くされているので、この
表皮材(d)の角部(f)に必要以上の引張力を受け、このた
め前記角部(f)に問題を生じることがあった。That is, the depth at which the skin material (d) is squeezed at the time of mold clamping is the same as or deeper than the depth of the molded product, so that the tensile force applied to the corner (f) of this skin material (d) is greater than necessary. Therefore, a problem may occur at the corner (f).
例えばファブリック系の布製表皮材の場合、前記角部
(f)に強い引張力がかかるため、この角部(f)から熔融合
成樹脂(e)がしみだして不良品となってしまうことがあ
った。For example, in the case of a fabric-based skin material, the corner
Since a strong tensile force is applied to (f), the fused resin (e) may exude from the corners (f) and become a defective product.
表皮材(d)が例えばポリ塩化ビニル系等の薄手のフィル
ム材である場合は、両金型(a)(b)の型締め時に前記角部
(f)に強い引張力がかかると、この角部(f)が薄肉化した
り、或いは第４図(C)に示すように破断してしまうこと
があった。When the skin material (d) is, for example, a thin film material such as polyvinyl chloride, when the molds (a) and (b) are clamped, the corners
When a strong tensile force is applied to (f), the corner portion (f) may be thinned or may be broken as shown in FIG. 4 (C).
また、実公昭53-19181号公報に開示の合成樹脂成形体は
基体部の表面にのみ金属薄膜を貼着しているために、こ
の基体部が角部が取れた基体部である場合には基体部の
側面及び角部が取れた部分に金属薄膜の端部を後付で貼
着すると、この角部が取れた部分の貼着力が弱く剥離し
易い。Further, in the synthetic resin molding disclosed in Japanese Utility Model Publication No. 53-19181, the metal thin film is adhered only to the surface of the base portion. Therefore, when the base portion is a base portion with corners removed, If the ends of the metal thin film are attached to the side surface of the base portion and the portions where the corners are removed later, the attachment force of the portions where the corners are removed is weak and peeling is easy.
特公昭63-158239号公報に開示の合成樹脂成形体も基材
の上面にのみ織物を貼着しているために、この基体部が
角部が取れた基体部である場合には基体部の側面及び角
部が取れた部分に織物の端部を後付で貼着すると、この
角部が取れた部分の貼着力が弱く織物が基体部から剥離
し易い。In the synthetic resin molded body disclosed in Japanese Patent Publication No. 63-158239, the woven fabric is adhered only to the upper surface of the base material. Therefore, when the base material portion is a base material portion with corners removed, When the end portions of the fabric are attached to the side portions and the portions where the corners are removed later, the attachment force of the portions where the corners are removed is weak and the fabric is easily separated from the base portion.
（課題を解決するための手段） この発明は、表皮材を貼着した合成樹脂成形体であっ
て、この合成樹脂成形体は基体部とこの基体部に連設す
る折曲部とからなり、前記基体部と前記折曲部との間は
角取接合部とされ、表皮材はこの合成樹脂成形体の前記
基体部の表面及び折曲部の一部に貼着された貼着部とこ
の合成樹脂成形体に貼着されない非貼着部とからなり、
前記角取接合部であって前記折曲部の断面の最外線が直
線となる位置までを貼着部とすることを特徴とする表皮
材を貼着した折曲部を持つ合成樹脂成形体、及び雄金型
とこの雄金型に噛合する雄金型とからなる上下分離形の
合成樹脂成形用金型を用いて、前記雄金型と雌金型との
間に表皮材、熔融合成樹脂を供給して、前記両金型を型
締めさせて表皮材を貼着した基体部に角取接合部を介し
て連設された折曲部を持つ合成樹脂成形体を製造する方
法であって、前記雄金型は前記表皮材と前記熔融合成樹
脂を挟んで前記雌金型と噛合する凸部を有し、かつこの
雄金型にはクランプ部が設けられ、両金型の型締めの際
にこのクランプ部と前記凸部との間で合成樹脂成形体の
折曲部が成形され、かつこのクランプ部は型締めの際に
表皮材の周縁部を挟んで前記雌金型と噛合し、この噛合
位置はこの時に成形される折曲部の断面の最外線が直線
となる位置に設定されていることを特徴とする表皮材を
貼着した折曲部を持つ合成樹脂成形体の製造方法によっ
て上記従来の課題を解決する。(Means for Solving the Problem) The present invention is a synthetic resin molded body to which a skin material is adhered, the synthetic resin molded body including a base portion and a bent portion connected to the base portion. A chamfered joint is formed between the base portion and the bent portion, and the skin material is an adhesive portion that is attached to the surface of the synthetic resin molded body and a part of the bent portion. It consists of a non-adhesive part that is not adhered to the synthetic resin molding,
A synthetic resin molded body having a bent portion to which a skin material is stuck, which is the chamfered joint portion and is a stuck portion up to a position where the outermost line of the cross section of the bent portion is a straight line, And a synthetic resin molding die of upper and lower separation type consisting of a male die and a male die that meshes with the male die, using a skin material and a fused resin between the male die and the female die. And a method of manufacturing a synthetic resin molded body having a bent portion continuously connected to the base body portion to which the skin material is adhered through the chamfered joint portion by supplying the The male mold has a convex portion that engages with the female mold with the skin material and the fused resin sandwiched between the male mold and the male mold. At this time, a bent portion of the synthetic resin molded body is formed between the clamp portion and the convex portion, and the clamp portion forms a peripheral edge portion of the skin material during mold clamping. And the meshing position is set at a position where the outermost line of the cross section of the bent part formed at this time is a straight line. The conventional problems described above are solved by a method for producing a synthetic resin molded body having
（作用） 表皮材は合成樹脂成形体の基体部に、この基体部と折曲
部との角取接合部であって折曲部の断面の最外線が直線
となる位置まで貼着されていることにより、貼着部とこ
れ以外の非貼着部とに分けられている。(Function) The skin material is attached to the base portion of the synthetic resin molded body to a position where the outermost line of the cross section of the bent portion is a straight line, which is a chamfered joint between the base portion and the bent portion. Therefore, it is divided into a sticking part and a non-sticking part other than this.
前記表皮材は基体部と折曲部との角取接合部において上
記の位置までしか貼着されていないので、貼着部の上記
角取接合部に貼着されている部分には、表皮材を合成樹
脂成形体に貼着する際に、前記折曲部方向へ強く絞り込
まれず、よってこの部分に不良が生じていない成形品と
されている。Since the skin material is adhered only to the above position at the chamfered joint portion between the base portion and the bent portion, the skin material is adhered to the portion adhered to the chamfered joint portion of the adhered portion. When it is attached to a synthetic resin molded body, the molded product is not strongly squeezed in the direction of the bent portion, and thus no defect is generated in this portion.
前記非貼着部は手動で前記折曲部に貼着する等の任意の
取扱いとする。The non-adhesive portion is arbitrarily handled such as manually adhering to the bent portion.
この合成樹脂成形体を成形するには、雄金型とこの雄金
型に噛合する雌金型とからなる上下分離形の合成樹脂成
形用金型を用いて、前記雄金型と雌金型との間に表皮
材、熔融合成樹脂を供給して、前記両金型を型締めさせ
ることにより製造する。In order to mold this synthetic resin molded body, an upper and lower separated synthetic resin molding mold comprising a male mold and a female mold meshed with the male mold is used. It is manufactured by supplying a skin material and a fused resin between them and clamping the two molds.
雄金型としては、前記表皮材と前記熔融合成樹脂とを挟
んで前記雌金型と噛合する凸部を有するものを用る。As the male mold, one having a convex portion that engages with the female mold with the skin material and the fused resin sandwiched is used.
この雄金型にはクランプ部が設けられ、両金型の型締め
の際にはこのクランプ部と前記凸部との間で合成樹脂成
形体の折曲部が成形される。The male die is provided with a clamp portion, and a bent portion of the synthetic resin molded body is formed between the clamp portion and the convex portion when the two die are clamped.
また、このクランプ部は型締めの際に表皮材を挟んで前
記雌金型と噛合するが、この噛合位置はこの時に成形さ
れる折曲部を持つ合成樹脂成形体の基体部表面と略同じ
高さ位置に設定されている。Further, the clamp portion engages with the female die with the skin material sandwiched during mold clamping, and the engagement position is substantially the same as the surface of the base portion of the synthetic resin molded body having the bent portion molded at this time. It is set to the height position.
よって、型締めの際に表皮材が合成樹脂成形体の折曲部
の方へ引っ張られることがなく、表皮材の貼着部のう
ち、合成樹脂成形体の基体部と折曲部との角取接合部に
貼着される部分が良好に貼着される。Therefore, when the mold is clamped, the skin material is not pulled toward the bent portion of the synthetic resin molded body, and the corner portion between the base body portion and the bent portion of the synthetic resin molded body in the sticking portion of the skin material. The portion to be attached to the joining portion is well attached.
（実施例） 以下、この発明の実施例を図面に基づいて説明する。Embodiment An embodiment of the present invention will be described below with reference to the drawings.
第１図にはこの発明に係る表皮材を貼着した折曲部を持
つ合成樹脂成形体を示している。FIG. 1 shows a synthetic resin molding having a bent portion to which a skin material according to the present invention is attached.
(1)は合成樹脂成形体(1)であって、基体部(2)とこの基
体部(2)の周縁から折曲成形された折曲部(3)とからな
る。(1) is a synthetic resin molded body (1) comprising a base portion (2) and a bent portion (3) bent from the peripheral edge of the base portion (2).
基体部(2)の表面(2a)は本実施例では略平面状とされて
いるが、凹凸状とされていてもよい。The surface (2a) of the base portion (2) is substantially flat in this embodiment, but may be uneven.
折曲部(3)は実施例では前記基体部(2)に対して約９０°
の角度で折曲されているが、これに限らず、９０°より
大きい角度あるいは逆に小さい角度で折曲されていても
よい。In the embodiment, the bent portion (3) is about 90 ° with respect to the base portion (2).
However, the present invention is not limited to this and may be bent at an angle larger than 90 ° or conversely a small angle.
前記基体部(2)と前記折曲部(3)との境界部分は接合部
(4)とされている。The boundary portion between the base portion (2) and the bent portion (3) is a joint portion.
It is said to be (4).
接合部(4)は第１図に示すように、その角が取れた角取
部(4b)とされている。As shown in FIG. 1, the joint portion (4) is a chamfered portion (4b) whose corners are removed.
このようになる合成樹脂成形体(1)には表皮材(5)が貼着
さている。The skin material (5) is attached to the synthetic resin molded body (1) thus formed.
この表皮材(5)は貼着部(5a)と非貼着部(5b)とからな
る。The skin material (5) is composed of a sticking part (5a) and a non-sticking part (5b).
貼着部(5a)は合成樹脂成形体(1)の前記基体部(2)の表面
(2a)に貼着された部分で、この貼着部(5a)は少なくとも
前記接合部(4)であって前記折曲部(3)の断面の最外線
（ｌ）が直線となる位置(P)まで被覆されている。The sticking part (5a) is the surface of the base part (2) of the synthetic resin molding (1).
In the part adhered to (2a), the adhered part (5a) is at least the joint part (4) and the outermost line (l) of the cross section of the bent part (3) is a straight line ( It is covered up to P).
すなわち、第１図に示すように、折曲部(3)の断面の最
外線（ｌ）が直線となる位置(P)とは、角取部(4b)の折
曲部(3)寄りの端部であり、前記貼着部(5a)はこの位置
(P)まで被覆する状態で、基体部(2)の表面(2a)に貼着さ
れている。That is, as shown in FIG. 1, the position (P) where the outermost line (l) of the cross section of the bent portion (3) is a straight line is a position near the bent portion (3) of the chamfered portion (4b). It is the end, and the attachment part (5a) is at this position.
It is attached to the surface (2a) of the base portion (2) in a state of covering (P).
貼着部(5a)の深さは上述のように折曲部(3)の断面の最
外線（ｌ）が直線となる位置(P)までに限らず、この位
置(P)により若干深い位置までであってもよい。The depth of the sticking part (5a) is not limited to the position (P) where the outermost line (l) of the cross section of the bent part (3) is a straight line as described above, but a slightly deeper position due to this position (P). May be up to.
貼着部(5a)の深さの限度は表皮材の種類によって異な
り、例えば塩化ビニール製のレザーであれば前記位置
(P)よりかなり深くすることができ、逆にトリコット等
の織物類では前記位置(P)よりも余り深くすることはで
きない。The limit of the depth of the sticking part (5a) depends on the type of skin material, and for example, if the leather is made of vinyl chloride, the position
It is possible to make it considerably deeper than (P), and conversely, for textiles such as tricot, it cannot be made too deeper than the position (P).
しかし一般的にいえば例えば合成樹脂成形体(1)の場
合、前記角取部(4b)の半径が５mmの場合には前記位置
(P)から１０mm乃至１５mmの深さまでを貼着部とするこ
とができる。However, generally speaking, in the case of a synthetic resin molded body (1), if the radius of the chamfered portion (4b) is 5 mm, the position
The adhesive portion can be formed from (P) to a depth of 10 mm to 15 mm.
表皮材(5)は上述の貼着状態であるので、表皮材(5)がフ
ァブリック系の布製合成樹脂である場合、角取部(4b)上
に被覆されている部分から熔融合成樹脂(10)がしみだす
ことはなく、表皮材(5)がポリ塩化ビニル系等の薄手の
フィルム材である場合に、角取部(4b)に被覆されている
部分が薄肉化したり破断したりというような問題が生じ
ていない、表皮材を貼着した折曲部を持つ合成樹脂成形
体とされている。Since the skin material (5) is in the above-mentioned adhered state, when the skin material (5) is a fabric synthetic resin, the fused resin (10) is applied from the portion coated on the chamfered portion (4b). ) Does not exude, and when the skin material (5) is a thin film material such as polyvinyl chloride, it seems that the part covered by the chamfered part (4b) becomes thin or breaks. It is a synthetic resin molded body having a bent portion to which a skin material is attached, which does not cause any problems.
表皮材(5)の貼着部(5a)以外の部分は非貼着部(5b)とさ
れ、この非貼着部(5b)は合成樹脂成形体(1)に貼着され
ていない。A portion other than the sticking part (5a) of the skin material (5) is a non-sticking part (5b), and the non-sticking part (5b) is not stuck to the synthetic resin molded body (1).
この非貼着部(5b)は、その周縁部の内面に別途糊付けす
ることにより前記折曲部(3)に接着される。The non-adhesive part (5b) is adhered to the bent part (3) by separately gluing the inner surface of the peripheral part thereof.
なお、表皮材(5)としては、織布、不織布、金属、繊
維、熱可塑性樹脂のネット、紙、金属フォイルや熱可塑
性樹脂、熱可塑性のエラストマーのシートまたはフィル
ムが挙げられ、またしぼ等の凹凸模様、印刷、染色で加
飾されたもの、あるいは発泡体を用いてもよい。Examples of the skin material (5) include woven fabrics, non-woven fabrics, metals, fibers, thermoplastic resin nets, papers, metal foils and thermoplastic resins, and thermoplastic elastomer sheets or films. You may use the thing which was decorated by the uneven | corrugated pattern, printing, dyeing, or a foam.
更にこれらの単独もしくは二種以上の接着剤を用いて積
層した積層品の形態にて使用することも可能である。Further, it is also possible to use these in the form of a laminated product in which these are used alone or two or more kinds of adhesives are laminated.
特に、この発明方法の効果を最も発揮するものとして
は、前記したファブリック系の布製合成樹脂やポリ塩化
ビニル系等の薄手のフィルム材が挙げられる。In particular, the most effective effects of the method of the present invention include the above-mentioned fabric synthetic resin made of cloth and thin film material made of polyvinyl chloride.
次にこの発明に係る表皮材を貼着した折曲部を持つ合成
樹脂成形体の製造方法につき説明する。Next, a method of manufacturing a synthetic resin molded body having a bent portion to which the skin material according to the present invention is attached will be described.
第２図(A)乃至(C)にはこの発明方法の一実施例を断面図
により示したものである。FIGS. 2A to 2C are sectional views showing one embodiment of the method of the present invention.
図中、(6)はこの発明に係る合成樹脂成形用金型であ
り、(7)は前記合成樹脂成形用金型(6)を構成する雄金型
であって、(8)はこの雄金型(7)と噛合する雌金型であ
る。In the figure, (6) is a synthetic resin molding die according to the present invention, (7) is a male die constituting the synthetic resin molding die (6) , and (8) is this male It is a female mold that meshes with the mold (7).
この雌金型(8)の噛合面(8a)には、前記角取部(4b)を形
成するための角取面(8b)が形成されている。A chamfered surface (8b) for forming the chamfered portion (4b) is formed on the meshing surface (8a) of the female die (8).
この実施例において、雄金型(7)は後述の熔融合成樹脂
(10)に直接接触し、雌金型(3)は表皮材(5)に直接接触す
る。In this embodiment, the male mold (7) is a fusion resin described later.
The female die (3) is in direct contact with the skin material (5).
前記雄金型(7)は、少なくとも凸部(7a)を有している。The male mold (7) has at least a convex portion (7a).
凸部(7a)は実施例の場合、略直角の角部(7b)を有してお
り、基体部に対して略直角の折曲部を持つ合成樹脂成形
体を製造するのに適した形状とされている。In the case of the embodiment, the convex portion (7a) has a corner portion (7b) at a substantially right angle, and has a shape suitable for producing a synthetic resin molded product having a bent portion at a substantially right angle to the base portion. It is said that.
クランプ部(9)は上記雄金型(7)に設けられている。The clamp part (9) is provided on the male mold (7).
このクランプ部(9)は前記両金型(7)(8)の型締め時に表
皮材(5)を挟んで前記雌金型(8)の金型下面に噛合するよ
うに設けられている。The clamp part (9) is provided so as to engage with the lower surface of the female die (8) with the skin material (5) sandwiched between them when the die (7) (8) is clamped.
このクランプ部(9)は実施例では金型とは別体とされ、
後述する伸縮装置(11)によって上下動しうる構造とされ
ているが、金型と一体成形されて上下動しない構造とさ
れていてもよい。This clamp part (9) is separated from the mold in the embodiment,
Although it has a structure that can be moved up and down by a telescopic device (11) described later, it may be a structure that is integrally formed with the mold and does not move up and down.
前記両金型(7)(8)の型締め時には、このクランプ部(9)
は、表皮材(5)が合成樹脂成形体の基体部(2)の表面(2a)
よりも若干折曲部(3)の方へ絞り込まれる高さ、すなわ
ち折曲部(3)の断面の最外線（ｌ）が直線となる位置(P)
にくるように設定されている。When clamping both molds (7) (8), the clamp part (9)
Is the surface (2a) of the base member (2) of the synthetic resin molded body, the skin material (5)
Height that is slightly narrowed toward the bent portion (3), that is, the position where the outermost line (l) of the cross section of the bent portion (3) is a straight line (P)
Is set to come.
尚、この時の位置は、例えば角取部(4b)の半径が５mmの
場合には、基体部(2)の表面(2a)から１０乃至１５mm
（前記折曲部(3)の断面の最外線（ｌ）が直線となる位
置(P)より５乃至１５mm）の深さ程度までを含むもので
ある。The position at this time is 10 to 15 mm from the surface (2a) of the base part (2) when the radius of the chamfered part (4b) is 5 mm.
It includes up to a depth of about 5 to 15 mm from the position (P) where the outermost line (l) of the cross section of the bent portion (3) is a straight line.
型締め時のクランプ部(9)の位置を前記位置に設定する
理由は、型締め時にクランプ部(9)と雌金型(8)との噛合
によって表皮材(5)の周縁部が過剰に引張られるのを防
ぐためである。The reason for setting the position of the clamp part (9) at the time of mold clamping is that the peripheral part of the skin material (5) is excessive due to the engagement of the clamp part (9) and the female mold (8) during mold clamping. This is to prevent being pulled.
この実施例ではクランプ部(9)に伸縮装置(11)が具備さ
れることにより、両型(7)(8)の型締め時に図中下方に移
動されると同時に表皮材(5)を挟持する。In this embodiment, the expansion / contraction device (11) is provided in the clamp part (9) so that when the molds (7) and (8) are clamped, they are moved downward in the figure and the skin material (5) is clamped. To do.
前記伸縮装置(11)としては公知の油圧プレスのクッショ
ンの鋼製ばね、ウレタンスプリング、油圧シリンダ、エ
アシリンダ等が採用でき、表皮材の種類により挟持力を
調節してもよい。As the expansion / contraction device (11), a steel spring, a urethane spring, a hydraulic cylinder, an air cylinder or the like of a well-known cushion of a hydraulic press can be adopted, and the clamping force may be adjusted depending on the type of skin material.
以上述べた実施例において、両金型(7)(8)の型締めと同
時に表皮材(5)の不要部分を切断する機構を設けてもよ
い。In the embodiments described above, a mechanism may be provided for cutting unnecessary portions of the skin material (5) at the same time when the molds (7), (8) are clamped.
この切断機構としては、図示しないが、例えば雌金型
(8)とクランプ部(9)に切断エッジを形成すると共にクラ
ンプ部(9)または雌金型(8)の内面に押え部材を設け、両
金型(7)(8)の型締めの際にまず前記押え部材で表皮材を
押さえ、この直後に前記切断エッジによって表皮材のう
ち不要部分を切断する機構が挙げられる。The cutting mechanism is not shown in the drawing, but is, for example, a female die.
When forming a cutting edge on (8) and the clamp part (9) and providing a holding member on the inner surface of the clamp part (9) or the female mold (8), when clamping both molds (7) and (8) First, there is a mechanism in which the pressing member presses the skin material, and immediately thereafter, the unnecessary portion of the skin material is cut by the cutting edge.
この発明方法で用いられる熔融合成樹脂(10)としては圧
縮成形、射出成形及び押出成形において通常使用されて
いるものをいずれも用いることができ、例えばポリプロ
ピレン、ポリエチレン、ポリスチレン、アクリロニトリ
ル−スチレン−ブタジエンブロック共重合体、ナイロン
等の熱可塑性樹脂、エチレン−プロピレンブロック共重
合体、スチレン−ブタジエンブロック共重合体等の熱可
塑性エラストマー等の非発泡性又は発泡性樹脂、および
これらに無機質充填剤、ガラス繊維等の充填剤、顔料、
滑剤、帯電防止剤等の添加物を含有したものを用いるこ
とができる。As the fused resin (10) used in the method of the present invention, any of those usually used in compression molding, injection molding and extrusion molding can be used, for example, polypropylene, polyethylene, polystyrene, acrylonitrile-styrene-butadiene block. Copolymers, thermoplastic resins such as nylon, non-foaming or foaming resins such as thermoplastic elastomers such as ethylene-propylene block copolymers, styrene-butadiene block copolymers, and inorganic fillers, glass fibers Such as fillers, pigments,
A material containing additives such as a lubricant and an antistatic agent can be used.
また、前記表皮材(5)の使用にあたっては表皮材(5)の引
張応力、伸びを調整するため供給に先立って予備加熱を
行ってもよい。In addition, when the skin material (5) is used, preheating may be performed before the supply in order to adjust the tensile stress and elongation of the skin material (5).
次に、この発明方法の一実施例に係る、表皮材を貼着し
た合成樹脂成形体の製造工程を説明する。Next, a manufacturing process of a synthetic resin molded body having a skin material adhered thereto according to an embodiment of the method of the present invention will be described.
表皮材(5)と熔融合成樹脂(10)とを雄金型(7)と雌金型
(8)との間に供給する。The skin material (5) and fused resin (10) are combined into a male mold (7) and a female mold.
Supply between (8).
熔融合成樹脂(10)の供給は押出機等、周知の熔融可塑手
段（図示せず）により、雄金型(7)に設けられた熔融合
成樹脂経路（図示せず）を通じて供給される。The fusion resin (10) is supplied by a well-known fusion plasticizing means (not shown) such as an extruder through a fusion resin path (not shown) provided in the male mold (7).
昇降機構を作動させて第２図(B)の如く前記雌金型(8)を
下降させ、前記雄金型(7)と型締めすると熔融合成樹脂
(10)が流動し、同時に表皮材(5)を雌金型(8)の噛合面(8
a)に押圧する。When the elevating mechanism is operated to lower the female die (8) as shown in FIG. 2 (B), and the male die (7) is clamped, a fused resin is formed.
(10) flows, and at the same time, the skin material (5) is moved to the mating surface (8) of the female mold (8).
Press a).
この型締め時には前記雄金型(7)に設けられているクラ
ンプ部(9)と前記雌金型(8)の金型下面とが表皮材(5)を
挟んで噛合される。During this mold clamping, the clamp part (9) provided in the male mold (7) and the lower surface of the mold of the female mold (8) are engaged with each other with the skin material (5) interposed therebetween.
型締め時には前記凸部(7a)と前記クランプ部(9)との間
で折曲部(3)が成形される。At the time of mold clamping, a bent portion (3) is formed between the convex portion (7a) and the clamp portion (9).
型締めが完了すると、熔融合成樹脂(10)が賦形されて表
皮材を貼着した合成樹脂成形体が成形されるが、このと
き第２図(C)に示すように、前記クランプ部(9)の上面
は、合成樹脂成形体の基体部(2)と折曲部(3)との間の接
合部(4)表面の角取部(4b)の折曲部(3)寄りの端縁と同じ
高さ位置にくる。When the mold clamping is completed, the fused resin (10) is shaped to form a synthetic resin molded body to which a skin material is adhered. At this time, as shown in FIG. 2 (C), the clamp portion ( The upper surface of 9) is the end of the joint portion (4) between the base portion (2) and the bent portion (3) of the synthetic resin molded body, which is close to the bent portion (3) of the chamfered portion (4b). Comes at the same height as the edge.
これにより、折曲部(3)を持つ合成樹脂成形体の接合部
(4)が角取部(4b)である場合に、前記表皮材(5)の貼着部
(5a)がこの角取部(4b)までしか被覆されない。As a result, the joint part of the synthetic resin molding with the bent part (3)
When (4) is a chamfered portion (4b), the adhered portion of the skin material (5)
(5a) is covered only up to the chamfered portion (4b).
従って表皮材(5)は折曲部(3)方向へ必要以上の引張力を
受けることなく、表皮材(5)に前述の問題を生じさせる
ことなく、表皮材を貼着した折曲部を持つ合成樹脂成形
体を製造できる。Therefore, the skin material (5) does not receive an excessive pulling force in the direction of the bent portion (3), and does not cause the above-mentioned problems on the skin material (5). It is possible to manufacture a synthetic resin molding having the above.
成形体の離型後は、表皮材(5)のうちクランプ部(9)と雌
金型(8)とによって挟持されていた非貼着部(5b)は合成
樹脂成形体(1)の折曲部(3)に貼着されていない状態であ
るが（第１図）、この非貼着部(5b)は離型後に成形体
(9)の内側に巻き込むようにして貼着させるなどすれば
よい。After releasing the molded product, the non-adhesive part (5b), which was sandwiched between the clamp part (9) and the female mold (8) of the skin material (5), was folded into the synthetic resin molded product (1). Although it is not attached to the curved portion (3) (Fig. 1), the non-attached portion (5b) is a molded body after releasing from the mold.
It may be attached so as to be rolled up inside (9).
（発明の効果） この発明は、表皮材を貼着した合成樹脂成形体であっ
て、この合成樹脂成形体は基体部とこの基体部に連設す
る折曲部とからなり、前記基体部と前記折曲部との間は
角取接合部とされ、表皮材はこの合成樹脂成形体の前記
基体部の表面及び折曲部の一部に貼着された貼着部とこ
の合成樹脂成形体に貼着されない非貼着部とからなり、
前記角取接合部であって前記折曲部の断面の最外線が直
線となる位置までを貼着部とすることを特徴とする表皮
材を貼着した折曲部を持つ合成樹脂成形体であるので、
次の効果を奏する。(Effects of the Invention) The present invention relates to a synthetic resin molded body to which a skin material is adhered, the synthetic resin molded body including a base portion and a bent portion continuous with the base portion, and the base portion. A chamfered joint is formed between the bent portion, and the skin material is a sticking portion stuck to the surface of the base portion and a part of the bent portion of the synthetic resin molded body and the synthetic resin molded body. It consists of a non-adhesive part that is not attached to
A synthetic resin molded body having a bent portion to which a skin material is stuck, wherein the chamfered joint portion is a stuck portion up to a position where the outermost line of the cross section of the bent portion is a straight line. Because there is
It has the following effects.
表皮材がファブリック系の布製合成樹脂の場合、前記角
部から熔融合成樹脂がしみださず、また表皮材がポリ塩
化ビニル系等の薄手のフィルム材である場合、前記角部
が伸ばされることによる薄肉化や破断が生じない状態で
合成樹脂成形体に貼着された、表皮材を貼着した折曲部
を持つ合成樹脂成形体の提供ができた。When the skin material is a fabric synthetic resin, the fused resin does not exude from the corners, and when the skin material is a thin film material such as polyvinyl chloride, the corners should be stretched. It was possible to provide a synthetic resin molded body having a bent portion to which a skin material was adhered, which was adhered to the synthetic resin molded body in a state in which the thinning and breakage due to the above did not occur.
表皮材の非貼着部と後の工程で所望により、折曲部の内
側に巻き込むようにして糊付けをすれば、予め折曲部の
下端まで表皮材が貼着されている場合に比べ、表皮材の
貼着作業が容易である。If the glue is applied to the non-sticking part of the skin material and the inner part of the bent part as desired in the subsequent process, the skin material is compared to the case where the skin material is pasted up to the lower end of the bent part in advance. Easy to attach materials.
更に、角取接合部であって前記折曲部の断面の最外線が
直線となる位置までを貼着部とすることによって、角取
接合部に表皮材を確実に貼着することができる。Further, the skin material can be surely adhered to the chamfered joint by using the pasted joint up to the position where the outermost line of the cross section of the bent portion is a straight line.
また、雄金型とこの雄金型に噛合する雌金型とからなる
上下分離形の合成樹脂成形用金型を用いて、前記雄金型
と雌金型との間に表皮材、熔融合成樹脂を供給して、前
記両金型の型締めさせて表皮材を貼着した基体部に角取
接合部を介して連設された折曲部を持つ合成樹脂成形体
を製造する方法であって、前記雄金型は前記表皮材と前
記熔融合成樹脂を挟んで前記雌金型と噛合する凸部を有
し、かつこの雄金型にはクランプ部が設けられ、両金型
の型締めの際にこのクランプ部と前記凸部との間で合成
樹脂成形体の折曲部が成形され、かつこのクランプ部は
型締めの際に表皮材の周縁部を挟んで前記雌金型と噛合
し、この噛合位置はこの時に成形される折曲部の断面の
最外線が直線となる位置に設定されていることを特徴と
する表皮材を貼着した折曲部を持つ合成樹脂成形体の製
造方法とされているので、次の効果を奏する。Further, a synthetic resin molding die of upper and lower separation type consisting of a male die and a female die that meshes with the male die is used, and a skin material and a fusion material are formed between the male die and the female die. It is a method for producing a synthetic resin molded body having a bent portion that is continuously provided to a base portion on which a resin is supplied, the molds are clamped, and a skin material is adhered to the base material via a chamfered joint. The male die has a convex portion that engages with the female die with the skin material and the fused resin sandwiched between the male die and the male die, and the male die is provided with a clamp portion. At this time, a bent portion of the synthetic resin molded body is formed between the clamp portion and the convex portion, and the clamp portion engages with the female mold while sandwiching the peripheral edge portion of the skin material during mold clamping. However, the meshing position is set such that the outermost line of the cross section of the bent portion formed at this time is set to be a straight line. Since there is a method for producing a synthetic resin molded body having a bent portion, the following effects.
雄金型に設けられているクランプ部は型締めの際に表皮
材を挟んで前記雌金型の製品外の部分と噛合するが、こ
の噛合位置はこの時に成形される折曲部を持つ合成樹脂
成形体の角取接合部の折曲部寄りの端部と略同じ高さ位
置に設定されているので、表皮材の角部が必要以上に引
張力を受けることがない。The clamp part provided in the male mold engages with a portion of the female mold outside the product when the mold is clamped, with the skin material sandwiched between the male mold and the female mold. Since the height of the chamfered joint of the resin molded body is set at substantially the same height as that of the end of the chamfered joint, the corner of the skin material is not subjected to excessive pulling force.
従って、前述した如く、表皮材がファブリック系の布製
合成樹脂や、ポリ塩化ビニル系等の薄手のフィルム材で
ある場合でもその角部が保護された状態で製造できる。Therefore, as described above, even when the skin material is a cloth-based synthetic resin made of a fabric or a thin film material such as a polyvinyl chloride-based material, it can be manufactured with its corners protected.
このことによって、表皮材を貼着した折曲部を持つ合成
樹脂成形体の製造における歩留りがよい。As a result, the yield in manufacturing a synthetic resin molded body having a bent portion to which a skin material is attached is good.
第１図はこの発明における表皮材を貼着した角取接合部
を介して連設された基体部と折曲部とを持つ合成樹脂成
形体、第２図(A)乃至(C)は同上合成樹脂成形体の製造方
法の本発明による製造状態を示す断面図、第３図(A)(B)
は合成樹脂成形体の従来の製造方法による製造状態を示
す断面図、第３図(C)は従来の製造方法によって製造さ
れた合成樹脂成形体の断面図、第４図は従来の他の合成
樹脂成形体の構成図、第５図は従来の他の合成樹脂成形
体の構成図である。 (1)……合成樹脂成形体 (2)……基体部、(2a)……基体部表面 (3)……折曲部、(4)……接合部 (5)……表皮材、(5a)……貼着部 (5b)……非貼着部(6) ……合成樹脂成形用金型 (7)……雄金型、(7a)……凸部 (8)……雌金型、(8a)……噛合面 (8b)……角取面、(9)……クランプ部 (10)……熔融合成樹脂 （ｌ）……折曲部の断面の最外線 (P)……折曲部の最外線が直線となる位置FIG. 1 is a synthetic resin molded body having a base portion and a bent portion which are continuously provided via a chamfered joint portion to which a skin material is adhered, and FIGS. 2 (A) to 2 (C) are the same. Sectional drawing which shows the manufacturing state by this invention of the manufacturing method of a synthetic resin molding, FIG.3 (A) (B)
Is a cross-sectional view showing a state of manufacturing a synthetic resin molded body by a conventional manufacturing method, FIG. 3 (C) is a sectional view of a synthetic resin molded body manufactured by the conventional manufacturing method, and FIG. 4 is another conventional synthetic method. FIG. 5 is a block diagram of a resin molded body, and FIG. 5 is a block diagram of another conventional synthetic resin molded body. (1) …… Synthetic resin molding (2) …… Base part, (2a) …… Base part surface (3) …… Bent part, (4) …… Joined part (5) …… Skin material, ( 5a) …… Adhesive part (5b) …… Non-adhesive part (6) …… Synthetic resin molding die (7) …… Male mold, (7a) …… Convex part (8) …… Female metal Mold, (8a) …… Mating surface (8b) …… Square chamfer, (9) …… Clamping part (10) …… Fused resin (l) …… Outermost line (P) of the bent section (P)… The position where the outermost line of the bent part is a straight line
フロントページの続き (72)発明者 臼井 信裕 大阪府高槻市塚原２丁目10番１号 住友化 学工業株式会社内 (72)発明者 細川 敏宏 大阪府和泉市池田下町2840番地 株式会社 細川製作所内 (72)発明者 石坪 隆一 大阪府和泉市池田下町2840番地 株式会社 細川製作所内 (56)参考文献 特開 昭63−158239（ＪＰ，Ａ) 特開 昭63−159022（ＪＰ，Ａ) 実公 昭53−19181（ＪＰ，Ｙ２)Front page continuation (72) Inventor Nobuhiro Usui 2-10-1 Tsukahara, Takatsuki City, Osaka Prefecture Sumitomo Kagaku Kogyo Co., Ltd. 72) Inventor Ryuichi Ishitsubo 2840 Ikedashitamachi, Izumi City, Osaka Prefecture Hosokawa Seisakusho Co., Ltd. (56) References JP-A-63-158239 (JP, A) JP-A-63-159022 (JP, A) 53-19181 (JP, Y2)
Claims (2)
て、この合成樹脂成形体は基体部とこの基体部に連設す
る折曲部とからなり、前記基体部と前記折曲部との間は
角取接合部とされ、表皮材はこの合成樹脂成形体の前記
基体部の表面及び折曲部の一部に貼着された貼着部とこ
の合成樹脂成形体に貼着されない非貼着部とからなり、
前記角取接合部であって前記折曲部の断面の最外線が直
線となる位置までを貼着部とすることを特徴とする表皮
材を貼着した折曲部を持つ合成樹脂成形体。1. A synthetic resin molded body to which a skin material is adhered, the synthetic resin molded body comprising a base portion and a bent portion connected to the base portion, the base portion and the bent portion. Is formed into a chamfered joint, and the skin material is not adhered to the synthetic resin molded body and the adhered portion adhered to the surface of the base portion and part of the bent portion of the synthetic resin molded body. It consists of a non-stick part,
A synthetic resin molded product having a bent portion to which a skin material is stuck, wherein the sticking portion is the chamfered joint portion up to a position where the outermost line of the cross section of the bent portion is a straight line.
らなる上下分離形の合成樹脂成形用金型を用いて、前記
雄金型と雌金型との間に表皮材、熔融合成樹脂を供給し
て、前記両金型を型締めさせて表皮材を貼着した基体部
に角取接合部を介して連設された折曲部を持つ合成樹脂
成形体を製造する方法であって、前記雄金型は前記表皮
材と前記熔融合成樹脂を挟んで前記雌金型と噛合する凸
部を有し、かつこの雄金型にはクランプ部が設けられ、
両金型の型締めの際にこのクランプ部と前記凸部との間
で合成樹脂成形体の折曲部が成形され、かつこのクラン
プ部は型締めの際に表皮材の周縁部を挟んで前記雌金型
と噛合し、この噛合位置はこの時に成形される折曲部の
断面の最外線が直線となる位置に設定されていることを
特徴とする表皮材を貼着した折曲部を持つ合成樹脂成形
体の製造方法。2. A skin material between a male mold and a female mold, which is composed of a male mold and a female mold meshing with the male mold and which is a vertically separable synthetic resin molding mold. , Supplying a molten resin to clamp both molds to manufacture a synthetic resin molded body having a bent portion continuously connected to a base body portion to which a skin material is adhered via a chamfered joint portion In the method, the male die has a convex portion that engages with the female die with the skin material and the fused resin sandwiched therebetween, and the male die is provided with a clamp portion,
A bent portion of the synthetic resin molded body is formed between the clamp portion and the convex portion when the molds are clamped, and the clamp portion sandwiches the peripheral edge portion of the skin material during the mold clamping. The bent portion, which is engaged with the female mold, is set such that the outermost line of the cross section of the bent portion formed at this time is a straight line. A method of manufacturing a synthetic resin molded body having the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1176328A JPH0655380B2 (en) | 1989-07-06 | 1989-07-06 | Synthetic resin molded body having a bent portion to which a skin material is attached, and a method for producing the synthetic resin molded body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1176328A JPH0655380B2 (en) | 1989-07-06 | 1989-07-06 | Synthetic resin molded body having a bent portion to which a skin material is attached, and a method for producing the synthetic resin molded body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0339214A JPH0339214A (en) | 1991-02-20 |
| JPH0655380B2 true JPH0655380B2 (en) | 1994-07-27 |
Family
ID=16011669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1176328A Expired - Lifetime JPH0655380B2 (en) | 1989-07-06 | 1989-07-06 | Synthetic resin molded body having a bent portion to which a skin material is attached, and a method for producing the synthetic resin molded body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0655380B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101998200A (en) | 2009-08-25 | 2011-03-30 | 鸿富锦精密工业（深圳）有限公司 | Earphone line and earphone with same |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5319181U (en) * | 1976-07-28 | 1978-02-18 | ||
| JPS63158239A (en) * | 1986-12-22 | 1988-07-01 | 大建工業株式会社 | Manufacture of fabric decorative material |
| JPS63159022A (en) * | 1986-12-23 | 1988-07-01 | Sumitomo Chem Co Ltd | Manufacture of multi-layer molded product |
-
1989
- 1989-07-06 JP JP1176328A patent/JPH0655380B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0339214A (en) | 1991-02-20 |
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