JP4976245B2 - 樹脂成形体 - Google Patents
樹脂成形体 Download PDFInfo
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- JP4976245B2 JP4976245B2 JP2007235845A JP2007235845A JP4976245B2 JP 4976245 B2 JP4976245 B2 JP 4976245B2 JP 2007235845 A JP2007235845 A JP 2007235845A JP 2007235845 A JP2007235845 A JP 2007235845A JP 4976245 B2 JP4976245 B2 JP 4976245B2
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- resin
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- opening
- welding projection
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- 229920005989 resin Polymers 0.000 title claims description 182
- 239000011347 resin Substances 0.000 title claims description 182
- 238000003466 welding Methods 0.000 claims description 232
- 230000003014 reinforcing effect Effects 0.000 claims description 37
- 238000000465 moulding Methods 0.000 claims description 4
- 239000000470 constituent Substances 0.000 claims description 2
- 235000014121 butter Nutrition 0.000 claims 1
- 238000005452 bending Methods 0.000 description 12
- 238000005304 joining Methods 0.000 description 12
- 238000002485 combustion reaction Methods 0.000 description 8
- 230000009466 transformation Effects 0.000 description 8
- 230000002787 reinforcement Effects 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 5
- 241000135309 Processus Species 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011796 hollow space material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
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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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
- B29C66/543—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining more than two hollow-preforms to form said hollow articles
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/06—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
- B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
- B29C66/1312—Single flange to flange joints, the parts to be joined being rigid
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
- B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
- B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
- B29C66/2424—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being a closed polygonal chain
- B29C66/24243—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being a closed polygonal chain forming a quadrilateral
- B29C66/24244—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being a closed polygonal chain forming a quadrilateral forming a rectangle
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/301—Three-dimensional joints, i.e. the joined area being substantially non-flat
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/302—Particular design of joint configurations the area to be joined comprising melt initiators
- B29C66/3022—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined
- B29C66/30223—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined said melt initiators being rib-like
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
- B29C66/322—Providing cavities in the joined article to collect the burr
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
- B29C66/545—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles one hollow-preform being placed inside the other
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
ところが、第1接合部および第2接合部の各突起の幅を大きくすると、それに伴ってバリの発生量も多くなるため、バリ溜まりの幅も大きくする必要がある。そして、バリ溜まりの幅を大きくすると、接合部(溶着部)が中空部から離れる(さらに外側方向に移動する)。そのため、内圧により溶着面を押し開く力(曲げモーメント)が大きくなってしまい、第1接合部および第2接合部の各突起の幅を単に大きくしても十分な溶着強度を確保することができないおそれがある。
そして、補強リブをバリ溜まりのうち突起部外側に位置するものよりもさらに外側の位置において外側に向かって設けているため、樹脂成形体の壁面外側にリブを設ける場合に比べ、補強リブの曲げ剛性を大きくすることができる。これにより、第一溶着突起部あるいは第二溶着突起部の変形をより確実に抑制することができる。
従って、この樹脂成形体では、溶着時に第一溶着突起部と第二溶着突起部との位置ずれが少なくなり、溶着ずれの発生を防止することができる。よって、大きな中空部を含む場合であっても、十分な溶着強度を確保することができる。
[第一実施形態]
本発明の第一実施形態に係る樹脂製インテークマニホールド(以下、「樹脂製インマニ」という。)について、図1〜図7を参照して説明する。
図1は、本発明の第一実施形態に係る樹脂製インマニを示す正面図である。図2は、同樹脂製インマニを示す側面図である。図3は、同樹脂製インマニを示す分解側面図である。図4は、同樹脂製インマニを示す分解断面図である。図5は、同樹脂製インマニの第一樹脂部品を示す正面図である。図6は、同樹脂製インマニの第二樹脂部品を示す斜視図である。図7は、同樹脂製インマニの接合部を示す部分断面図である。
サージタンク2は、図4に示すように、吸気を溜める中空部3aを備えており、この中空部3aに吸気を溜めることにより、吸気脈動や吸気干渉を防いだり、吸入効率を引き上げたりするものである。独立吸気通路4は、サージタンク2から内燃機関の各気筒まで独立して吸気を運べるように設けられた通路である。レゾネータ5は、サージタンク2と連通した中空部3bを有しており、吸気の脈流と共振して吸気音を軽減するものである。
内燃機関の運転時に機関内に吸入される空気は、エアクリーナで濾過された後、スロットルバルブ装置を通り、吸気導入口27aから樹脂製インマニ1内に導入され、サージタンク2内に入る。そして、サージタンク2の下流側に接続された独立吸気通路4を通り、吸気導出口28aから内燃機関の各気筒に分配して供給される。このとき、大量の空気がサージタンク2内に取り込まれるため、サージタンク2内の内圧が大きくなり、溶着面に作用する力(曲げモーメントと引っ張り応力との複合力)が大きくなる。特に、過給機付の内燃機関の場合には、空気を圧縮することにより、排気量以上の体積をもつ空気を吸入することができるため、サージタンク2内の内圧がさらに大きくなる。従って、サージタンク2等を含む大きな中空部を含む樹脂製インマニ1には、このような力に十分耐えうる溶着強度が要求される。
本発明の第二実施形態に係る樹脂製インマニについて、図1〜図6及び図8を参照して説明する。図8は、同樹脂製インマニの接合部を示す部分断面図である。第二実施形態の樹脂製インマニは、上記第一実施形態のものと基本的な構成が同じであるため、同一構成品については図面に同符号を付してその説明は適宜省略し、以下では相違点を中心に説明する。第二実施形態の樹脂製インマニでは、各樹脂部品10、20、30、40同士の接合部の構成が、第一実施形態のものと相違している。なお、第二実施形態においても、接合部の構成は、樹脂部品10、20、30、40ともに同様であるため、以下では第一樹脂部品10の左端と第二樹脂部品20の右端との接合部についてのみ説明する。
このようにして、第二実施形態の樹脂製インマニでは、溶着面に作用する力(曲げモーメントと引っ張り応力との複合力)を低減することができるため、大きな中空部を含む場合であっても、十分な溶着強度を確保することができる。
本発明の第三実施形態に係る樹脂製ボックスについて、図9〜図11を参照して説明する。図9は、本発明の第三実施形態に係る樹脂製ボックスを示す斜視図である。図10は、同樹脂製ボックスを示す分解斜視図である。図11は、同樹脂製ボックスの接合部を示す部分断面図である。
第一溶着部73は、図11に拡大して示されるように、第一開口部72の開口端72a外周に沿って外側に形成されている。この第一溶着部73は、第一開口部72の開口端72aからその外側に向けて張り出した第一張出部材74と、第一張出部材74に第一開口部72の開口方向へ起立するよう形成された第一溶着突起75と、第一溶着部73を補強する第一補強リブ78とを備えている。
第二溶着部83は、図11に拡大して示されるように、第二開口部82の開口端82a外周に沿って外側に形成されている。この第一溶着部83は、第一開口部82の開口端82aからその外側に向けて張り出した第一張出部材84と、第一張出部材84に第一開口部82の開口方向へ起立するよう形成された第一溶着突起85と、第一溶着部83を補強する補強リブ86とを備えている。
2 サージタンク
3a 中空部
3b 中空部
4 独立吸気通路
5 レゾネータ
10 第一樹脂部品
11 第一開口部
11a 開口端
12 第一溶着部(第一溶着突起部)
13 第一張出部材
14 第一溶着突起
15 外側バリ溜まり
16 内側バリ溜まり
17 第一補強リブ
20 第二樹脂部品
21 第二開口部
21a 開口端
22 第二溶着部(第二溶着突起部)
23 第二張出部材
24 第二溶着突起
25 第二補強リブ
30 第三樹脂部品
40 第四樹脂部品
Claims (4)
- 中空部を含む樹脂成形体であって、
前記中空部の一部をなす第一開口部と、前記第一開口部の外側に形成された第一溶着突起部とが形成された第一樹脂部品と、
前記中空部の一部をなす第二開口部と、前記第二開口部の外側に設けられて前記第一溶着突起部に接合する第二溶着突起部とが形成された第二樹脂部品と、
前記第一溶着突起部あるいは第二溶着突起部の少なくとも一方の両側に形成されたバリ溜まりと、
前記バリ溜まりのうち突起部外側に位置するものよりもさらに外側であって、前記第一樹脂部品あるいは第二樹脂部品の少なくとも一方に外側に向かって形成された1つ以上の補強リブと、
を有することを特徴とする樹脂成形体。 - 請求項1に記載する樹脂成形体において、
前記バリ溜まりは、突起部外側に位置するものの幅が突起部内側に位置するものの幅よりも大きいことを特徴とする樹脂成形体。 - 請求項1又は請求項2に記載する樹脂成形体において、
前記第一樹脂部品および第二樹脂部品は、サージタンクと独立吸気通路とを備える樹脂製インテークマニホールドの構成部品である
ことを特徴とする樹脂成形体。 - 請求項3に記載する樹脂成形体において、
前記第一樹脂部品および第二樹脂部品は、前記樹脂製インテークマニホールドの構成部品のうち、前記サージタンクを構成するものである
ことを特徴とする樹脂成形体。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007235845A JP4976245B2 (ja) | 2007-09-11 | 2007-09-11 | 樹脂成形体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007235845A JP4976245B2 (ja) | 2007-09-11 | 2007-09-11 | 樹脂成形体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2009066819A JP2009066819A (ja) | 2009-04-02 |
| JP4976245B2 true JP4976245B2 (ja) | 2012-07-18 |
Family
ID=40603608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007235845A Expired - Fee Related JP4976245B2 (ja) | 2007-09-11 | 2007-09-11 | 樹脂成形体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4976245B2 (ja) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012162362A2 (en) | 2011-05-23 | 2012-11-29 | Basf Se | Frictional weld joint for an article comprising a thermoplastic material |
| CN102359424A (zh) * | 2011-09-06 | 2012-02-22 | 重庆长安汽车股份有限公司 | 一种塑料进气歧管的焊接结构 |
| MX366518B (es) | 2012-05-23 | 2019-07-11 | Basf Se | Junta de soldadura por friccion para un articulo que contiene un material termoplastico. |
| JP2014088854A (ja) * | 2012-10-31 | 2014-05-15 | Toyota Motor Corp | 吸気マニホールド |
| JP6408377B2 (ja) * | 2014-12-26 | 2018-10-17 | 株式会社マーレ フィルターシステムズ | 過給機関のインタークーラ内蔵型吸気マニホルド |
| JP6729354B2 (ja) * | 2016-12-27 | 2020-07-22 | トヨタ自動車株式会社 | 樹脂部品の溶着方法 |
| WO2021010436A1 (ja) * | 2019-07-17 | 2021-01-21 | 住友化学株式会社 | 溶着成形体の製造方法、溶着成形体及びパイプ |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58219019A (ja) * | 1982-06-15 | 1983-12-20 | Kojima Press Co Ltd | エアクリ−ナ用樹脂インレツトの製作方法 |
| JPS6390063U (ja) * | 1986-12-01 | 1988-06-11 | ||
| JPH06285994A (ja) * | 1993-03-31 | 1994-10-11 | Tsuchiya Mfg Co Ltd | 合成樹脂部材の溶着方法 |
| JPH08132529A (ja) * | 1994-11-04 | 1996-05-28 | Toyota Motor Corp | 樹脂製品、樹脂製品の製造方法及び樹脂部材 |
| JP3218985B2 (ja) * | 1996-08-30 | 2001-10-15 | トヨタ自動車株式会社 | 樹脂製中空体 |
| JPH11311157A (ja) * | 1998-04-27 | 1999-11-09 | Toyota Motor Corp | サージタンク |
| JP2006125227A (ja) * | 2004-10-27 | 2006-05-18 | Toyota Motor Corp | 合成樹脂製吸気マニホールドの溶着構造 |
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