JPH01110919A - Manufacture of clip with cap - Google Patents
Manufacture of clip with capInfo
- Publication number
- JPH01110919A JPH01110919A JP62269050A JP26905087A JPH01110919A JP H01110919 A JPH01110919 A JP H01110919A JP 62269050 A JP62269050 A JP 62269050A JP 26905087 A JP26905087 A JP 26905087A JP H01110919 A JPH01110919 A JP H01110919A
- Authority
- JP
- Japan
- Prior art keywords
- cap
- clip
- clip body
- seal cap
- mold
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000004033 plastic Substances 0.000 claims abstract description 5
- 239000013013 elastic material Substances 0.000 claims abstract description 4
- 238000001746 injection moulding Methods 0.000 claims abstract description 3
- 239000002184 metal Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 210000000078 claw Anatomy 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 241000719149 Caranx crysos Species 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- -1 etc. Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
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
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1635—Making multilayered or multicoloured articles using displaceable mould parts, e.g. retractable partition between adjacent mould cavities
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
- Seal Device For Vehicle (AREA)
- Connection Of Plates (AREA)
- Insertion Pins And Rivets (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、シールキャップ付きクリップの製造方法に関
する。さらに詳しくは、ウェザストリップ等の取付は部
材を、車体板金等の被取付は部材に取り付ける場合等、
被取付は部材における被取付は孔のシールが要求される
ようなときに使用するシール付きキャップの製造に好適
な方法である〈従来の技術〉
第６〜８図に、上記タイプのクリップの一例を示す。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a method for manufacturing a clip with a seal cap. More specifically, when attaching weather strips etc. to a member, when attaching a vehicle body sheet metal etc. to a member, etc.
This is a suitable method for manufacturing a cap with a seal used when sealing a hole in a member is required. <Prior art> Figures 6 to 8 show an example of the above type of clip. shows.
ばね弾性を有するプラスチック材料で成形されるクリッ
プ本体１と、高分子弾性体で成形され、被取付は部材（
車体板金）２５の被取付は孔２６をシールするシールキ
ャップ１１とからなる。ここで、上記ばね弾性を有する
プラスチック材料としては、ＰＰ、ＰＡ、ＰＯＭ等を挙
げることができる。また、高分子弾性材料としては、Ｃ
Ｒ，ＥＰＤＭ等の合成ゴム材料、及び、ポリオレフィン
系等の熱可塑性エラストマー材料を挙げることができる
。The clip body 1 is made of a plastic material with spring elasticity, and the clip body 1 is made of an elastic polymer material, and the attached member (
The vehicle body sheet metal 25 is attached to a seal cap 11 that seals the hole 26. Here, examples of the plastic material having spring elasticity include PP, PA, POM, and the like. In addition, as a polymer elastic material, C
Synthetic rubber materials such as R, EPDM, etc., and thermoplastic elastomer materials such as polyolefin materials can be mentioned.
前記クリップ本体１は、基部２と、基部２の一側に形成
される係止頭部３と、他側に形成される逆止脚部６とか
らなる。The clip body 1 includes a base 2, a locking head 3 formed on one side of the base 2, and a check leg 6 formed on the other side.
前記基部２は、円板又は正多角形板上に形成されている
。また、係止頭部３は、取付は部材（ウェザストリップ
）２１の取付は孔２２に嵌合係止する係止膨出部３ａを
先端に有し、逆止脚部６は、前記基部２の下側座面２ａ
との間で被取付は部材（車体板金）２５を被取付は孔２
６を介して挟持する、逆止弾性爪部７．７を外周に有す
る。The base 2 is formed on a disk or a regular polygonal plate. Further, the locking head 3 has a locking bulge 3a at its tip that fits and locks the mounting member (weather strip) 21 into the hole 22, and the non-return leg 6 has the base 2 Lower seat surface 2a
The object to be installed is the member (vehicle body sheet metal) 25, and the object to be installed is the hole 2.
It has a non-return elastic claw part 7.7 on the outer periphery, which is clamped via the thread 6.
具体的には、逆止脚部６は、基部２の下側座面の中央部
から突出するシャンク部８、シャンク部８の中間部から
両側斜め外方に基部２側に向って突出し、基部２の座面
の中央部両側に連結される弾性腕部９．９とからなり、
該弾性腕部９．９の中間部外側の適宜高さ位置に、逆止
弾性爪部７．７が形成されている。そして、シャンク部
８は先端側は、環状凸部８ａが形成されてキャップ保持
部８ｂとされている。Specifically, the check leg part 6 includes a shank part 8 that protrudes from the center of the lower seat surface of the base 2, a shank part 8 that protrudes diagonally outward on both sides toward the base 2 from the middle part of the shank part 8, and It consists of elastic arm parts 9.9 connected to both sides of the central part of the seat surface of No. 2,
A check elastic pawl portion 7.7 is formed at a suitable height position on the outside of the intermediate portion of the elastic arm portion 9.9. The shank portion 8 has an annular convex portion 8a formed on the distal end side to serve as a cap holding portion 8b.
シールキャップ１１は、キャップ保持シャンク部８ｂに
頂部嵌合孔１２を介して結合され、基部２の下側座面２
ａと被取付は部材２５の被取付は孔２６周縁との間に挟
着されるつば部１３を有する。The seal cap 11 is coupled to the cap holding shank portion 8b through the top fitting hole 12, and is connected to the lower seat surface 2 of the base portion 2.
The member 25 to which the member 25 is attached has a flange portion 13 that is sandwiched between the member 25 and the periphery of the hole 26 .
上記構成のキャップ付きクリップの使用態様は、下記の
如くである。The manner in which the capped clip having the above structure is used is as follows.
クリップ本体１とシールキャップ１１とを別体に成形し
ておいて、シールキャップ１１をクリップ本体１の逆止
脚部６に組み付ける。A clip body 1 and a seal cap 11 are molded separately, and the seal cap 11 is assembled to the non-return leg part 6 of the clip body 1.
そして、逆止脚部５を、被取付は部材２５の被取付は孔
２６に強制的に押込む。すると、各逆止弾性爪部７．７
は内側に撓んで被取付は孔２６を通過した後、ばね弾性
的に復元して、被取付は孔２６の周縁に係合して、基部
２の下側座面２ａとの間で被取付は部材２５を挟持する
形となる。また、キャップ１１は、そのつば部１３が、
被取付は孔２６の上側縁部に係止して、引き上げられ、
被取付は孔２６をシールする形となる。Then, the check leg portion 5 is forcibly pushed into the hole 26 of the member 25 to be attached. Then, each check elastic claw part 7.7
is deflected inward, and after passing through the hole 26, the object is elastically restored, and the object engages with the periphery of the hole 26, and the object is connected to the lower seat surface 2a of the base 2. is in the form of sandwiching the member 25. Further, the cap 11 has a brim portion 13 that is
The object to be attached is locked to the upper edge of the hole 26 and pulled up,
The attachment is in the form of sealing the hole 26.
〈発明が解決しようとする問題点〉
上記キャップのクリップ本体への組み付けに際し、シー
ルキャップ１１が小さいともに、キャップ保持シャンク
部８ｂには１、抜止の環状凸部８ａが形成されているこ
とも相まって組み付は作業性が良好でなく、全体として
製造工数が嵩んだ。<Problems to be Solved by the Invention> When assembling the cap to the clip body, the seal cap 11 is small and the cap retaining shank portion 8b is formed with an annular convex portion 8a that prevents it from coming off. The workability of assembly was not good, and the manufacturing man-hours increased overall.
く問題点を解決するための手段〉
上記問題点を解決するためには、クリップ本体とシール
キャップとを同一金型で成形する二色成形を行なうこと
が考えられるが、そのままの形状では型成形することは
無理である。そこで、本発明者は、鋭意開発に努力をし
た結果、下記構成のシールキャップ付きクリップの製造
方法に想到した。In order to solve the above problems, it is possible to perform two-color molding in which the clip body and the seal cap are molded in the same mold, but if the shape is used as it is, molding It is impossible to do so. Therefore, as a result of intensive development efforts, the present inventor came up with a method for manufacturing a clip with a seal cap having the following configuration.
ウェザストリップ等の取付は部材を、車体板金等の被取
付は部材に取り付ける場合等、被取付は部材における被
取付は孔のシールが要求されるようなときに使用するシ
ール付きキャップの製造方法であって、クリップ本体を
射出成形後、共通金型で、前記シールキャップを反転形
状で成形した後、該シールキャップを反転させることを
特徴とする。This is a manufacturing method for caps with seals, which is used when attaching weather strips, etc., to a component, and attaching the object, such as car body sheet metal, to a component. The present invention is characterized in that after the clip body is injection molded, the seal cap is molded in an inverted shape using a common mold, and then the seal cap is inverted.
〈実施例〉
以下本発明のシールキャップ付きクリップの製造方法を
口側に基づいて説明をする。なお、クリップにおいて、
従来例と同一作用部分については、同−図符号を付すと
ともに、その説明の一部を省略する。<Example> The method for manufacturing a clip with a seal cap of the present invention will be described below based on the mouth side. In addition, in the clip,
The same functional parts as in the conventional example are given the same reference numerals, and a part of the explanation will be omitted.
ここでは、クリップ本体における逆止脚部の形状が、第
６〜８図に示すものと若干異なる、即ち、弾性腕部の先
端が基部の下側座面と連結されていない第４〜５図に示
すものを製造する場合を例に採り説明するが、本発明の
製造方法は、第６〜８図に示すものには勿論、本発明の
技術的範囲内で一種々の形状のものに通用可能である。Here, the shape of the non-return leg in the clip body is slightly different from that shown in FIGS. 6 to 8, that is, the tip of the elastic arm is not connected to the lower seat surface of the base in FIGS. 4 to 5. The manufacturing method of the present invention is applicable not only to the products shown in FIGS. 6 to 8 but also to products of various shapes within the technical scope of the present invention. It is possible.
例えば、係止頭部は、先端に係止膨出部を有しないタイ
プ、即ち、リベット・ねじ係止等であっても勿論よい。For example, the locking head may of course be of a type that does not have a locking bulge at the tip, ie, a rivet or screw locking type.
第１〜３図に本実施例で使用する二色射出成形金型の要
部断面図を示す。1 to 3 show cross-sectional views of essential parts of the two-color injection mold used in this example.
この金型３１は、クリップ本体１の正面に平行で、側面
中央部を切る位置に成形品ＰＬが形成されるように金型
の第一分割面３２が形成されているとともに、反転形状
のシールキャップ１１のつば部１３端面を含む位置に第
二分割面３３が形成されている。そして、キャップキャ
ビティ４３が、クリップ本体成形時には存在せず、クリ
ップ本体成形後に形成されるように、スライドコア３５
が前記第一分割面３２上に軸線を有して組込まれている
。そして、第一分割面３２上に軸線を有して、クリップ
本体成形用の第一スプルーランナー２６が形成され、さ
らに、第一ゲート３７が、また、第二分割面３３上に軸
線を有して、シールキャップ成形用の第ニスブルーラン
ナー３８及び第二ゲート３９が形成されている。This mold 31 is parallel to the front side of the clip body 1 and has a first dividing surface 32 formed so that the molded product PL is formed at a position where the central part of the side surface is cut, and a seal having an inverted shape. A second dividing surface 33 is formed at a position including the end surface of the flange portion 13 of the cap 11. Then, the slide core 35 is arranged so that the cap cavity 43 does not exist when the clip body is molded and is formed after the clip body is molded.
is installed on the first dividing surface 32 with an axis. A first sprue runner 26 for forming the clip body is formed with an axis on the first dividing surface 32, and a first gate 37 also has an axis on the second dividing surface 33. A second varnish blue runner 38 and a second gate 39 for forming a seal cap are formed.
次に、上記成形用金型を用いて、本発明のキャップ付き
クリップの製造方法を説明する。Next, a method for manufacturing a clip with a cap according to the present invention will be explained using the above-mentioned molding die.
まず、スライドコア３５をクリップ本体キャビティ４１
側に前進させて、キャップキャビティ４３が存在しない
状態で（第３図）、第一スプルーランナー２６、第一ゲ
ート３７を介してプラスチック材料を、クリップ本体キ
ャビティ４１に射出注入して、クリップ本体１を成形し
、続いて、スライドコア３５を後退させて形成されたキ
ャップキャビティ４３に（第１〜２図の状態）、高分子
弾性材料を射出注入して、キャップ１１を成形する。こ
のとき、高分子弾性材料が合成ゴムの場合、金型を加熱
する必要があり、クリップ本体の成形時、金型を冷却す
るのとは逆になり金型構造が複雑となる。このため、高
分子材料としては、冷却成形可能な熱可塑性エラストマ
ーが望ましい。First, clip the slide core 35 into the main body cavity 41.
When the cap cavity 43 is not present (FIG. 3), plastic material is injected into the clip body cavity 41 through the first sprue runner 26 and the first gate 37 to form the clip body 1. Then, the cap 11 is molded by injecting an elastic polymer material into the cap cavity 43 formed by retracting the slide core 35 (the state shown in FIGS. 1 and 2). At this time, when the polymeric elastic material is synthetic rubber, it is necessary to heat the mold, which is the opposite of cooling the mold when molding the clip body, and the mold structure becomes complicated. For this reason, a thermoplastic elastomer that can be cooled and molded is desirable as the polymer material.
キャップ材料の硬化が完了したなら、脱型し、反転形状
のキャップを正規形状に反転させる。After the cap material has completely cured, it is removed from the mold and the inverted cap is inverted to its regular shape.
こうして製造したキャップ付きクリップは、従゛来例と
同様にして、使用する。The capped clip manufactured in this manner is used in the same manner as in the conventional example.
〈発明の作用・効果〉
本発明のキャップ付きクリップの製造方法は、上記のよ
うに、ウェザストリップ等の取付は部材を、車体板金等
の被取付は部材に取り付ける場合等、被取付は部材にお
ける被取付は孔のシールが要求されるようなときに使用
するシール付きキャップの製造方法であって、クリップ
本体を射出成形後、共通金型で、前記シールキャップを
反転形状で成形した後、該シールキャップを反転させる
ことを特徴とすることにより、下記のような作用効果を
奏する。<Operations and Effects of the Invention> As described above, the method for producing a clip with a cap of the present invention is applicable to the case where a weather strip or the like is attached to a member, and a vehicle body sheet metal or the like is attached to a member. Attachment is a method of manufacturing a cap with a seal used when sealing of a hole is required, and after the clip body is injection molded, the seal cap is molded in an inverted shape using a common mold, and then the seal cap is manufactured by injection molding. By inverting the seal cap, the following effects can be achieved.
従来の如く、別体に成形された小さな形状のキャップを
クリップ本体に組み付ける必要がなく、製造工数が全体
として削減できる。There is no need to assemble a separately molded small-shaped cap to the clip body as in the past, and the number of manufacturing steps can be reduced overall.
第１図は本発明の製造方法に使用する金型の要部断面図
、第２図は第１図における第１分割面における平面図、
第３図は第１図においてスライドコアを前進させた状態
を示す要部断面図、第４図は第１図の金型で成形した後
キャップを正規状態に反転させたキャップ付きクリップ
の部分断面図、第５図は第４図のキャップ付きクリップ
の使用態様図、第６図は従来例の説明のためのキャップ
付きクリップの正面図、第７図は同じく側面図、第８図
は同じく使用態様断面図である。
１・・・クリップ本体、
２・・・基部、
２ａ・・・下側座面、
３・・・係止頭部、
６・・・逆止脚部、
７・・・係止弾性爪部、
８・・・シャンク部、
８ｂ・・・キャップ保持部、
１１・・・シールキャップ、
１２・・・嵌合孔、
１３・・・つば部、
２１・・・取付は部材、
２２・・・取付は孔、
２５・・・被取付は部材、
２６・・・被取付は孔、
３１・・・成形用金型、
３５・・・スライドコア、
４１・・・クリップ本体キャビティ、
４３・・・キャップキャビティ。
特 許 出 願 人
第 １ 図
第３２
第 ５ 図
第６図 第７図FIG. 1 is a sectional view of a main part of a mold used in the manufacturing method of the present invention, FIG. 2 is a plan view on the first dividing plane in FIG. 1,
Figure 3 is a cross-sectional view of the main part of Figure 1 showing the state in which the slide core is advanced, and Figure 4 is a partial cross-section of a clip with a cap that has been molded with the mold shown in Figure 1 and then reversed to its normal state. Figure 5 is a usage diagram of the capped clip in Figure 4, Figure 6 is a front view of the capped clip for explaining the conventional example, Figure 7 is a side view, and Figure 8 is used in the same manner. It is an aspect sectional view. DESCRIPTION OF SYMBOLS 1... Clip body, 2... Base, 2a... Lower seat surface, 3... Locking head, 6... Non-return leg part, 7... Locking elastic claw part, 8...Shank portion, 8b...Cap holding portion, 11...Seal cap, 12...Fitting hole, 13...Brim portion, 21...Mounting member, 22...Mounting 25... Mounted member is a member, 26... Mounted is a hole, 31... Molding mold, 35... Slide core, 41... Clip body cavity, 43... Cap cavity. Patent applicant Figure 1 Figure 32 Figure 5 Figure 6 Figure 7
Claims (1)
プ本体と、高分子弾性体で成形される被取付け孔をシー
ルするキャップとからなり、前記クリップ本体は、基部
と、該基部の一側に形成される係止頭部と、他側に形成
される逆止脚部とからなり、 前記逆止脚部は、前記基部座面との間で被取付け部材を
被取付け孔を介して挟持する、逆止弾性爪部を外周に有
するとともに、先端にキャップ保持シャンク部を有し、 前記シールキャップは、キャップ保持シャンク部に頂部
嵌合孔を介して結合され、前記逆止脚部の前記基部座面
と前記被取付け部材の被取付け孔周面との間に挟着され
るつば部を有する、 構成のシールキャップ付きクリップの製造方法において
、 前記クリップ本体を射出成形後、共通金型で、前記シー
ルキャップを、反転形状で成形した後、該シールキャッ
プを反転させること、 を特徴とするキャップ付きクリップの製造方法。[Claims] The clip body consists of a clip body molded from a plastic material having spring elasticity, and a cap molded from a polymeric elastic material for sealing the attachment hole, and the clip body includes a base and a cap that seals the mounting hole. It consists of a locking head formed on one side and a non-return leg formed on the other side, and the non-return leg allows the member to be mounted to be connected to the base seat through the mounting hole. The seal cap has a non-return elastic claw part on the outer periphery and a cap holding shank part at the tip, and the seal cap is coupled to the cap holding shank part through a top fitting hole, and the non-return leg part In the method for manufacturing a clip with a seal cap, the clip has a flange sandwiched between the base seat surface and the circumferential surface of the attachment hole of the attachment member, wherein after injection molding the clip body, a common metal A method for manufacturing a clip with a cap, comprising: molding the seal cap in an inverted shape using a mold, and then inverting the seal cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62269050A JPH01110919A (en) | 1987-10-24 | 1987-10-24 | Manufacture of clip with cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62269050A JPH01110919A (en) | 1987-10-24 | 1987-10-24 | Manufacture of clip with cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01110919A true JPH01110919A (en) | 1989-04-27 |
| JPH0482087B2 JPH0482087B2 (en) | 1992-12-25 |
Family
ID=17466976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62269050A Granted JPH01110919A (en) | 1987-10-24 | 1987-10-24 | Manufacture of clip with cap |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01110919A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0532150U (en) * | 1991-10-11 | 1993-04-27 | 株式会社東海理化電機製作所 | Ornament mounting structure |
| WO2002006682A3 (en) * | 2000-07-17 | 2002-04-11 | Decoma Exterior Trim Inc | Method and apparatus for molding a dual durometer clip |
-
1987
- 1987-10-24 JP JP62269050A patent/JPH01110919A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0532150U (en) * | 1991-10-11 | 1993-04-27 | 株式会社東海理化電機製作所 | Ornament mounting structure |
| WO2002006682A3 (en) * | 2000-07-17 | 2002-04-11 | Decoma Exterior Trim Inc | Method and apparatus for molding a dual durometer clip |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0482087B2 (en) | 1992-12-25 |
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