JP7099349B2 - Resin product manufacturing method and manufacturing equipment - Google Patents

Resin product manufacturing method and manufacturing equipment Download PDF

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JP7099349B2
JP7099349B2 JP2019021623A JP2019021623A JP7099349B2 JP 7099349 B2 JP7099349 B2 JP 7099349B2 JP 2019021623 A JP2019021623 A JP 2019021623A JP 2019021623 A JP2019021623 A JP 2019021623A JP 7099349 B2 JP7099349 B2 JP 7099349B2
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elastic member
resin product
jig
manufacturing
insertion hole
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JP2020128779A (en
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貴裕 垣本
繁鉱 藤田
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Toyota Boshoku Corp
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Toyota Boshoku Corp
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    • 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
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/748—Machines or parts thereof not otherwise provided for
    • B29L2031/749—Motors
    • B29L2031/7492—Intake manifold

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Connection Of Plates (AREA)
  • Vibration Prevention Devices (AREA)
  • Springs (AREA)

Description

本発明は、弾性部材が装着された樹脂製品を製造する方法及び装置に関する。 The present invention relates to a method and an apparatus for manufacturing a resin product to which an elastic member is attached.

図７に示すように、挿通孔５３を有する被着部５２が設けられた製品本体部５１と、ゴム等の弾性材料により筒状に形成され、かつ被着部５２に装着される弾性部材５５とを備える樹脂製品５０が知られている（例えば、特許文献１参照）。弾性部材５５は、外周に環状溝５６を有しており、被着部５２における挿通孔５３の周縁部５４が環状溝５６に嵌合されることにより、同被着部５２に装着される。 As shown in FIG. 7, a product main body 51 provided with an adhered portion 52 having an insertion hole 53, and an elastic member 55 formed in a tubular shape by an elastic material such as rubber and mounted on the adhered portion 52. A resin product 50 comprising the above is known (see, for example, Patent Document 1). The elastic member 55 has an annular groove 56 on the outer periphery thereof, and is attached to the adhered portion 52 by fitting the peripheral edge portion 54 of the insertion hole 53 in the adhered portion 52 into the annular groove 56.

このような製品本体部５１及び弾性部材５５を備える樹脂製品５０としては、例えば、車載エンジン用の樹脂製の吸気マニホールドが挙げられる。この吸気マニホールドでは、製品本体部が複数の樹脂製の構成部材によって構成され、そのうちの１つの構成部材に被着部が設けられ、弾性部材がこの被着部に装着される。 Examples of the resin product 50 including the product main body 51 and the elastic member 55 include a resin intake manifold for an in-vehicle engine. In this intake manifold, the product main body is composed of a plurality of resin components, one of which is provided with an adherend, and the elastic member is attached to the adhered portion.

特開２０１７－１３７７９２号公報Japanese Unexamined Patent Publication No. 2017-137792

上記弾性部材５５を被着部５２に装着する際には、同弾性部材５５が挿通孔５３に挿通される。しかし、弾性部材５５において環状溝５６とは異なる箇所が挿通孔５３よりも大径であることに加え、弾性部材５５が硬質の弾性材料によって形成されている。そのため、環状溝５６が挿通孔５３に対向する位置まで、弾性部材５５を同挿通孔５３に挿通することが難しい。特に、手作業で弾性部材５５を被着部５２に装着する場合には、専従の作業者が必要となる。また、作業者が大きな力で弾性部材５５を被着部５２側へ押す必要があり、装着作業に時間がかかる。この作業を繰り返し行うことは作業者にとって重労働である。 When the elastic member 55 is attached to the adherend portion 52, the elastic member 55 is inserted into the insertion hole 53. However, in the elastic member 55, the portion different from the annular groove 56 has a larger diameter than the insertion hole 53, and the elastic member 55 is formed of a hard elastic material. Therefore, it is difficult to insert the elastic member 55 into the insertion hole 53 until the annular groove 56 faces the insertion hole 53. In particular, when the elastic member 55 is manually attached to the adherend portion 52, a full-time worker is required. Further, it is necessary for the operator to push the elastic member 55 toward the adhered portion 52 with a large force, which takes time for the mounting work. Repeating this work is hard work for the worker.

本発明は、このような実情に鑑みてなされたものであって、その目的は、樹脂製品の製造に際し、手で弾性部材を押す作業を行うことなく、弾性部材を被着部に装着することのできる樹脂製品の製造方法及び製造装置を提供することにある。 The present invention has been made in view of such circumstances, and an object of the present invention is to attach an elastic member to an adherend without having to manually push the elastic member in manufacturing a resin product. It is an object of the present invention to provide a manufacturing method and a manufacturing apparatus for a resin product capable of producing the same.

上記課題を解決する樹脂製品の製造方法は、それぞれ樹脂材料により形成され、かつそれぞれに設けられた接合部において互いに接合される第１構成部材及び第２構成部材を少なくとも備え、前記第２構成部材には、挿通孔を有する被着部が設けられた製品本体部と、弾性材料により筒状に形成され、かつ外周に環状溝を有し、前記挿通孔の周縁部が前記環状溝に嵌合されることにより、前記被着部に装着される弾性部材とを備える樹脂製品を製造する樹脂製品の製造方法であって、前記樹脂製品の製造装置として振動溶着機を用い、同振動溶着機における固定治具及び可動治具の一方に前記弾性部材をセットする第１工程と、前記挿通孔を前記弾性部材に対向させた状態で前記第２構成部材を、前記固定治具及び前記可動治具のうち、前記弾性部材がセットされたものにセットする第２工程と、前記固定治具及び前記可動治具のうち、前記弾性部材がセットされていないものに前記第１構成部材を装着する第３工程と、前記固定治具及び前記可動治具を互いに接近させることで、前記接合部において互いに接近する側へ押し付けられた前記第１構成部材及び前記第２構成部材の一方を、押し付け方向に直交する方向へ前記可動治具で振動させることにより、前記弾性部材を前記挿通孔に挿通させ、同挿通孔の周縁部を前記環状溝に嵌合させるとともに、両接合部を溶着させる第４工程とを備える。 A method for manufacturing a resin product that solves the above problems includes at least a first component and a second component that are each formed of a resin material and are joined to each other at a joint provided in each of the second components. Has a product main body portion provided with an adhered portion having an insertion hole, a tubular shape made of an elastic material, and an annular groove on the outer periphery, and the peripheral edge portion of the insertion hole is fitted into the annular groove. This is a method for manufacturing a resin product including an elastic member mounted on the adherend portion, wherein a vibration welding machine is used as a manufacturing apparatus for the resin product, and the vibration welding machine is used. The first step of setting the elastic member on one of the fixing jig and the movable jig, and the second component with the insertion hole facing the elastic member, the fixing jig and the movable jig. Among the second steps, the second step of setting the elastic member is set, and the first component is attached to the fixing jig and the movable jig to which the elastic member is not set. By bringing the fixing jig and the movable jig closer to each other in the three steps, one of the first constituent member and the second constituent member pressed toward the side approaching each other in the joint portion is pressed in the pressing direction. A fourth step of inserting the elastic member into the insertion hole by vibrating it in a direction orthogonal to each other with the movable jig, fitting the peripheral edge portion of the insertion hole into the annular groove, and welding both joint portions. And prepare.

上記の製造方法によれば、第１工程では、振動溶着機における固定治具及び可動治具の一方に弾性部材がセットされる。
第２工程では、被着部の挿通孔が弾性部材に対向させられ、この状態で、第２構成部材が、固定治具及び可動治具のうち、弾性部材がセットされたものにセットされる。 According to the above manufacturing method, in the first step, the elastic member is set on one of the fixing jig and the movable jig in the vibration welding machine.
In the second step, the insertion hole of the adherend is made to face the elastic member, and in this state, the second constituent member is set in the fixing jig and the movable jig in which the elastic member is set. ..

第３工程では、第１構成部材が、固定治具及び可動治具のうち、弾性部材がセットされていないものに装着される。
第４工程では、固定治具及び可動治具が互いに接近させられる。この接近により、接合部において互いに接近する側へ押し付けられた第１構成部材及び第２構成部材の一方が、可動治具によって、押し付け方向に直交する方向へ振動させられる。この際、弾性部材及び被着部は互いに接近する側へ押し付けられる。また、この弾性部材に上記振動が伝わる。弾性部材は、振動方向における両側へ揺れを伴って撓みながら挿通孔にスムーズに入っていく。環状溝が挿通孔に対向する位置まで弾性部材が同挿通孔に入ると、挿通孔の周縁部が環状溝に嵌合される。この嵌合により、弾性部材が被着部に装着された状態になる。また、上述した押圧状態での振動により、両接合部が溶着させられる。すなわち、互いに接近する側へ押し付けられた両接合部が擦り合わされ、そのときに発生する摩擦熱によって、両接合部が接触部分において溶融して接合される。 In the third step, the first constituent member is attached to the fixing jig and the movable jig to which the elastic member is not set.
In the fourth step, the fixing jig and the movable jig are brought close to each other. Due to this approach, one of the first constituent member and the second constituent member pressed toward the side approaching each other in the joint portion is vibrated in the direction orthogonal to the pressing direction by the movable jig. At this time, the elastic member and the adherend are pressed toward the side close to each other. Further, the vibration is transmitted to this elastic member. The elastic member smoothly enters the insertion hole while bending to both sides in the vibration direction. When the elastic member enters the insertion hole to a position where the annular groove faces the insertion hole, the peripheral edge portion of the insertion hole is fitted into the annular groove. By this fitting, the elastic member is attached to the adherend. Further, both joints are welded by the vibration in the pressed state described above. That is, both joints pressed toward the sides approaching each other are rubbed against each other, and the frictional heat generated at that time melts and joins both joints at the contact portion.

このように、振動溶着の際の圧力と振動が利用されて、弾性部材が被着部に装着されるため、手で弾性部材を大きな力で押して被着部に装着する作業が不要となる。
上記課題を解決する樹脂製品の製造装置は、上記樹脂製品の製造方法に用いられるものであって、前記固定治具及び前記可動治具のうち、前記弾性部材がセットされるものには、前記弾性部材が載置される載置部と、前記載置部に載置された前記弾性部材をその載置された位置に保持する保持部とが設けられている。 As described above, since the elastic member is attached to the adhered portion by utilizing the pressure and vibration at the time of vibration welding, it is not necessary to manually push the elastic member with a large force to attach the elastic member to the adhered portion.
The resin product manufacturing apparatus that solves the above problems is used in the resin product manufacturing method, and the fixing jig and the movable jig to which the elastic member is set are described. A mounting portion on which the elastic member is mounted and a holding portion for holding the elastic member mounted on the previously described mounting portion at the mounting position are provided.

上記の製造装置によれば、弾性部材が振動溶着機にセットされる際には、固定治具及び可動治具のうち、セットの対象となるものに設けられた載置部に弾性部材が載置される。
ここで、振動溶着時の振動により弾性部材が載置部に対しずれると、同弾性部材が挿通孔に挿通されないおそれがある。この点、上記の構成によれば、載置部に載置された弾性部材は、保持部によって、その載置された位置に保持される。従って、互いに接近する側へ押し付けられた第１構成部材及び第２構成部材の一方が可動治具によって振動させられる際に、弾性部材が載置部に対し動く（ずれる）ことが規制される。そのため、弾性部材の挿通孔への挿通が的確に行われる。 According to the above manufacturing apparatus, when the elastic member is set in the vibration welder, the elastic member is placed on the mounting portion provided on the fixing jig and the movable jig to be set. Placed.
Here, if the elastic member is displaced with respect to the mounting portion due to vibration during vibration welding, the elastic member may not be inserted into the insertion hole. In this respect, according to the above configuration, the elastic member mounted on the mounting portion is held at the mounting position by the holding portion. Therefore, when one of the first constituent member and the second constituent member pressed against each other is vibrated by the movable jig, the elastic member is restricted from moving (shifting) with respect to the mounting portion. Therefore, the elastic member is accurately inserted into the insertion hole.

また、上記振動に伴い、仮に弾性部材が載置部に対し摺動すると摩擦熱が発生し、弾性部材の載置部との境界部分が熱の影響を受けるおそれがある。しかし、上記のように弾性部材の動きが保持部によって規制されるため、摩擦熱の発生が抑制され、弾性部材が熱の影響を受けにくい。 Further, if the elastic member slides with respect to the mounting portion due to the vibration, frictional heat is generated, and the boundary portion of the elastic member with the mounting portion may be affected by the heat. However, since the movement of the elastic member is regulated by the holding portion as described above, the generation of frictional heat is suppressed, and the elastic member is less susceptible to heat.

上記樹脂製品の製造方法及び製造装置によれば、樹脂製品の製造に際し、手で弾性部材を押す作業を行うことなく、弾性部材を被着部に装着することができる。 According to the above-mentioned manufacturing method and manufacturing apparatus for a resin product, the elastic member can be attached to the adherend portion without pushing the elastic member by hand when manufacturing the resin product.

一実施形態における樹脂製品の一部を破断して示す概略構成図。The schematic block diagram which shows by breaking a part of the resin product in one Embodiment. 一実施形態における樹脂製品の被着部と、同被着部に装着される弾性部材とを示す部分断面図。A partial cross-sectional view showing an adhered portion of a resin product in one embodiment and an elastic member attached to the adhered portion. 一実施形態における樹脂製品を振動溶着機とともに示す概略図。The schematic diagram which shows the resin product in one Embodiment together with a vibration welder. 一実施形態の固定治具に弾性部材がセットされる前の状態を示す部分断面図。A partial cross-sectional view showing a state before an elastic member is set on the fixing jig of one embodiment. 一実施形態の固定治具に弾性部材及び第２構成部材がともにセットされた状態を示す部分断面図。A partial cross-sectional view showing a state in which an elastic member and a second constituent member are both set in the fixing jig of one embodiment. 一実施形態の振動溶着機が用いられて、弾性部材が被着部に装着された状態を示す部分断面図。A partial cross-sectional view showing a state in which an elastic member is attached to an adherend portion by using the vibration welding machine of one embodiment. 従来技術を説明する図であり、樹脂製品の被着部に弾性部材が装着される前の状態を示す部分断面図。It is a figure explaining the prior art, and is the partial sectional view which shows the state before the elastic member is attached to the adhered part of a resin product.

以下、樹脂製品の製造方法及び製造装置を具体化した一実施形態について、図１～図６を参照して説明する。
最初に、本実施形態の製造方法及び製造装置によって製造される樹脂製品の概略構成について説明する。 Hereinafter, an embodiment in which a method for manufacturing a resin product and a manufacturing apparatus are embodied will be described with reference to FIGS. 1 to 6.
First, the manufacturing method of the present embodiment and the schematic configuration of the resin product manufactured by the manufacturing apparatus will be described.

図１に示すように、樹脂製品１０は、製品本体部１１及び弾性部材２０を備えている。製品本体部１１は、それぞれ熱可塑性の樹脂材料により形成された第１構成部材１２及び第２構成部材１３を備えている。第１構成部材１２の外周縁部にはフランジ状の接合部１２ａが形成され、第２構成部材１３の外周縁部にはフランジ状の接合部１３ａが形成されている。各接合部１２ａ，１３ａには、溶着用の突条部（図示略）が形成されている。これらの第１構成部材１２及び第２構成部材１３は、いずれも射出成形法等の樹脂成形法によって形成されている。第１構成部材１２及び第２構成部材１３は、接合部１２ａ，１３ａにおいて互いに接合されている。 As shown in FIG. 1, the resin product 10 includes a product main body portion 11 and an elastic member 20. The product main body 11 includes a first component 12 and a second component 13 formed of a thermoplastic resin material, respectively. A flange-shaped joint portion 12a is formed on the outer peripheral edge portion of the first component member 12, and a flange-shaped joint portion 13a is formed on the outer peripheral edge portion of the second component member 13. A ridge portion (not shown) for welding is formed in each of the joint portions 12a and 13a. Both the first constituent member 12 and the second constituent member 13 are formed by a resin molding method such as an injection molding method. The first constituent member 12 and the second constituent member 13 are joined to each other at the joining portions 12a and 13a.

第２構成部材１３には、第１構成部材１２から遠ざかる側（図１の下方）へ突出する被着部１４が形成されている。被着部１４は、先端（図１の下端）に円形の挿通孔１５を有している。 The second constituent member 13 is formed with an adhered portion 14 projecting toward the side away from the first constituent member 12 (lower side in FIG. 1). The adherend portion 14 has a circular insertion hole 15 at the tip end (lower end of FIG. 1).

図２に示すように、弾性部材２０は、硬質ゴム等の硬質の弾性材料により、中心軸線Ｌ１に沿う方向（図２の上下方向）の両端が開放された略円筒状をなしている。弾性部材２０の中心軸線Ｌ１に沿う方向の中間部分には、同中心軸線Ｌ１を中心とする円環状の環状溝２１が形成されている。環状溝２１の内底部は、上記挿通孔１５の孔径（内径）よりも僅かに小さな外径を有している。環状溝２１は、被着部１４における挿通孔１５の周縁部１６の厚みよりも僅かに大きな溝幅を有している。弾性部材２０では、中心軸線Ｌ１に沿う方向について、環状溝２１の両側で形状が異なっている。そこで、両部分を区別するために、一方（図２の下方）の部分を基端部２２といい、他方（図２の上方）部分を先端部２３というものとする。先端部２３は、環状溝２１から遠ざかるに従い縮径するテーパ状をなしている。先端部２３の外径は、最も小さい箇所でも、挿通孔１５の孔径（内径）よりも大きく設定されている。これに対し、基端部２２は、外径が中心軸線Ｌ１に沿う方向に均一の円環板状をなしている。基端部２２の外径は、上記先端部２３の外径よりも大きく設定されている。上記の構成を有する弾性部材２０としては、例えばグロメットが挙げられる。 As shown in FIG. 2, the elastic member 20 has a substantially cylindrical shape in which both ends in the direction along the central axis L1 (vertical direction in FIG. 2) are opened by a hard elastic material such as hard rubber. An annular groove 21 centered on the central axis L1 is formed in the middle portion of the elastic member 20 in the direction along the central axis L1. The inner bottom portion of the annular groove 21 has an outer diameter slightly smaller than the hole diameter (inner diameter) of the insertion hole 15. The annular groove 21 has a groove width slightly larger than the thickness of the peripheral edge portion 16 of the insertion hole 15 in the adherend portion 14. The elastic member 20 has a different shape on both sides of the annular groove 21 in the direction along the central axis L1. Therefore, in order to distinguish between the two parts, one part (lower part in FIG. 2) is referred to as a base end portion 22, and the other part (upper part in FIG. 2) is referred to as a tip end portion 23. The tip portion 23 has a tapered shape that shrinks in diameter as the distance from the annular groove 21 increases. The outer diameter of the tip portion 23 is set to be larger than the hole diameter (inner diameter) of the insertion hole 15 even at the smallest location. On the other hand, the base end portion 22 has an annular plate shape having an outer diameter uniform in the direction along the central axis L1. The outer diameter of the base end portion 22 is set to be larger than the outer diameter of the tip end portion 23. Examples of the elastic member 20 having the above configuration include grommets.

次に、上記樹脂製品１０を製造する際に用いられる製造装置３０について説明する。
製造装置３０は、図３において二点鎖線で示される振動溶着機３１を備えている。振動溶着機３１は、固定治具３２と、その固定治具３２の上方に配置されて固定治具３２に対して、二点鎖線の矢印で示す方向へ振動する可動治具３９とを備えている。 Next, the manufacturing apparatus 30 used when manufacturing the resin product 10 will be described.
The manufacturing apparatus 30 includes a vibration welder 31 shown by a two-dot chain line in FIG. The vibration welding machine 31 includes a fixing jig 32 and a movable jig 39 that is arranged above the fixing jig 32 and vibrates in the direction indicated by the arrow of the two-point chain line with respect to the fixing jig 32. There is.

固定治具３２は、略円筒状の受け部３５を備えている。受け部３５は、固定治具３２の底壁部３３上に配置され、ノックピン３４等によって同底壁部３３に固定されている。
図４に示すように、受け部３５の上部には、上記弾性部材２０の基端部２２が載置される載置部３６が形成されている。受け部３５において、載置部３６の周囲には、同載置部３６に載置された上記基端部２２を、その載置された位置に保持する保持部３７が設けられている。保持部３７は、載置部３６に載置された基端部２２を取り囲むように同載置部３６から上方へ突出する円環状の突部によって構成されている。保持部３７の内径は、基端部２２の外径よりも僅かに大きく設定されている。図５に示すように、保持部３７の載置部３６からの突出長さは、基端部２２の板厚よりも１ｍｍ程度短く設定されている。この設定により、保持部３７の先端（図５の上端）は、載置部３６に載置された弾性部材２０の環状溝２１よりも、載置部３６側（図５の下側）へ遠ざかった箇所に位置する。さらに、載置部３６の保持部３７との境界部分には、同載置部３６に載置された弾性部材２０から遠ざかる方向（下方）へ凹む円環状の凹部３８が設けられている。 The fixing jig 32 includes a substantially cylindrical receiving portion 35. The receiving portion 35 is arranged on the bottom wall portion 33 of the fixing jig 32, and is fixed to the bottom wall portion 33 by a knock pin 34 or the like.
As shown in FIG. 4, a mounting portion 36 on which the base end portion 22 of the elastic member 20 is mounted is formed on the upper portion of the receiving portion 35. In the receiving portion 35, a holding portion 37 for holding the base end portion 22 mounted on the mounting portion 36 at the mounting position is provided around the mounting portion 36. The holding portion 37 is composed of an annular protrusion that protrudes upward from the mounting portion 36 so as to surround the base end portion 22 mounted on the mounting portion 36. The inner diameter of the holding portion 37 is set to be slightly larger than the outer diameter of the base end portion 22. As shown in FIG. 5, the protruding length of the holding portion 37 from the mounting portion 36 is set to be about 1 mm shorter than the plate thickness of the base end portion 22. With this setting, the tip of the holding portion 37 (upper end in FIG. 5) is moved away from the annular groove 21 of the elastic member 20 mounted on the mounting portion 36 toward the mounting portion 36 (lower side in FIG. 5). It is located in the same place. Further, at the boundary portion of the mounting portion 36 with the holding portion 37, an annular recess 38 that is recessed in a direction (downward) away from the elastic member 20 mounted on the mounting portion 36 is provided.

次に、本実施形態の作用として、上記製造装置３０を用いて上記樹脂製品１０を製造する方法について図４～図６を参照して説明する。また、効果についても併せて説明する。
この製造方法は、第１～第４工程を備えている。次に、各工程について説明する。 Next, as the operation of the present embodiment, a method of manufacturing the resin product 10 using the manufacturing apparatus 30 will be described with reference to FIGS. 4 to 6. The effect will also be described.
This manufacturing method includes first to fourth steps. Next, each step will be described.

＜第１工程＞
第１工程では、図４及び図５に示すように、受け部３５の載置部３６上に、弾性部材２０の基端部２２が載置される。このとき、載置部３６の周囲に設けられた円環状の保持部３７は、基端部２２を載置部３６に導くガイド部として機能する。基端部２２が、保持部３７によって囲まれた領域に挿通されれば、弾性部材２０は基端部２２において載置部３６に対し、位置決めされた状態で載置される。そのため、弾性部材２０を位置決めした状態で載置部３６に載置する作業を簡単かつ適切に行うことができる。 <First step>
In the first step, as shown in FIGS. 4 and 5, the base end portion 22 of the elastic member 20 is mounted on the mounting portion 36 of the receiving portion 35. At this time, the annular holding portion 37 provided around the mounting portion 36 functions as a guide portion for guiding the base end portion 22 to the mounting portion 36. When the base end portion 22 is inserted into the region surrounded by the holding portion 37, the elastic member 20 is placed in the base end portion 22 in a positioned state with respect to the mounting portion 36. Therefore, the work of mounting the elastic member 20 on the mounting portion 36 in a positioned state can be easily and appropriately performed.

また、弾性部材２０が載置部３６に載置されると、その弾性部材２０の基端部２２は保持部３７によって取り囲まれる。この保持部３７は、載置部３６に載置された基端部２２が、その位置から動くのを規制する。このようにして弾性部材２０は固定治具３２に対し、動きを規制された状態でセットされる。 Further, when the elastic member 20 is placed on the mounting portion 36, the base end portion 22 of the elastic member 20 is surrounded by the holding portion 37. The holding portion 37 restricts the base end portion 22 mounted on the mounting portion 36 from moving from that position. In this way, the elastic member 20 is set on the fixing jig 32 in a state where the movement is restricted.

さらに、載置部３６に凹部３８が設けられていることから、基端部２２の載置部３６との接触面積は、凹部３８が設けられない場合よりも小さい。
＜第２工程＞
第２工程では、接合部１３ａが上側に位置し、かつ被着部１４が下側に位置するように第２構成部材１３の姿勢が合わせられる（図３参照）。図５に示すように、挿通孔１５の中心軸線Ｌ２が弾性部材２０の中心軸線Ｌ１と合致するように、又はそれに近い状態となるように、挿通孔１５が弾性部材２０に対向させられる。この状態で、第２構成部材１３が固定治具３２にセットされることで、被着部１４のうち挿通孔１５の周縁部１６が、弾性部材２０における先端部２３の先端面（上面）に接触した状態又それに近い状態となる。 Further, since the recess 38 is provided in the mounting portion 36, the contact area of the base end portion 22 with the mounting portion 36 is smaller than that in the case where the recess 38 is not provided.
<Second step>
In the second step, the posture of the second constituent member 13 is adjusted so that the joint portion 13a is located on the upper side and the adhered portion 14 is located on the lower side (see FIG. 3). As shown in FIG. 5, the insertion hole 15 is opposed to the elastic member 20 so that the central axis L2 of the insertion hole 15 coincides with or is close to the central axis L1 of the elastic member 20. In this state, by setting the second component 13 on the fixing jig 32, the peripheral edge portion 16 of the insertion hole 15 in the adhered portion 14 is placed on the tip surface (upper surface) of the tip portion 23 of the elastic member 20. It will be in contact with or close to it.

上記のように、第２構成部材１３が固定治具３２にセットされる際には、載置部３６に載置された弾性部材２０の基端部２２が保持部３７によって動きを規制される。
＜第３工程＞
第３工程では、接合部１２ａが下端に位置するように第１構成部材１２の姿勢が合わせられる。この状態で第１構成部材１２が可動治具３９にセットされる（図３参照）。 As described above, when the second component 13 is set on the fixing jig 32, the movement of the base end portion 22 of the elastic member 20 mounted on the mounting portion 36 is restricted by the holding portion 37. ..
<Third step>
In the third step, the posture of the first component member 12 is adjusted so that the joint portion 12a is located at the lower end. In this state, the first component 12 is set on the movable jig 39 (see FIG. 3).

＜第４工程＞
第４工程では、第２構成部材１３の接合部１３ａに対し、第１構成部材１２の接合部１２ａが重なるように、固定治具３２の上側に可動治具３９が配置される（図３参照）。この状態で、固定治具３２及び可動治具３９が互いに接近させられる。この接近により、第１構成部材１２及び第２構成部材１３が接合部１２ａ，１３ａにおいて互いに接近する側へ押し付けられる。上記接近は、本実施形態では、固定治具３２が可動治具３９側へ移動されることによりなされる。第２構成部材１３の接合部１３ａが第１構成部材１２の接合部１２ａに押し付けられる。 <4th step>
In the fourth step, the movable jig 39 is arranged on the upper side of the fixing jig 32 so that the joint portion 12a of the first constituent member 12 overlaps with the joint portion 13a of the second constituent member 13 (see FIG. 3). ). In this state, the fixing jig 32 and the movable jig 39 are brought close to each other. Due to this approach, the first constituent member 12 and the second constituent member 13 are pressed to the sides approaching each other at the joint portions 12a and 13a. In the present embodiment, the approach is made by moving the fixing jig 32 toward the movable jig 39. The joint portion 13a of the second constituent member 13 is pressed against the joint portion 12a of the first constituent member 12.

この際、図５に示すように、弾性部材２０の先端部２３が被着部１４の周縁部１６に押し付けられる。この状態で、図３において二点鎖線の矢印で示すように、第１構成部材１２が可動治具３９によって、押し付け方向に直交する方向（図３では左右方向）へ、１．７ｍｍ程度の振幅で振動させられる。 At this time, as shown in FIG. 5, the tip portion 23 of the elastic member 20 is pressed against the peripheral edge portion 16 of the adherend portion 14. In this state, as shown by the arrow of the two-dot chain line in FIG. 3, the first component member 12 has an amplitude of about 1.7 mm in the direction orthogonal to the pressing direction (left-right direction in FIG. 3) by the movable jig 39. It is vibrated by.

上記のように、弾性部材２０の先端部２３が被着部１４の被着部１４に押し付けられた状態で、上記振動が第２構成部材１３及び被着部１４を介して弾性部材２０に伝わる。弾性部材２０は、振動方向における両側へ揺れを伴って撓みながら挿通孔１５にスムーズに入っていく。環状溝２１が挿通孔１５に対向する位置まで弾性部材２０の先端部２３が入ると、図６に示すように、被着部１４における挿通孔１５の周縁部１６が環状溝２１に嵌合される。この嵌合により、弾性部材２０が被着部１４に装着された状態になる。また、図３に示すように、上記押圧状態での第１構成部材１２の振動により、両接合部１２ａ，１３ａが溶着される。すなわち、接合部１２ａの突条部が接合部１３ａの突条部に押圧された状態で振動する。このときに発生する摩擦熱によって、両接合部１２ａ，１３ａが突条部において溶融して接合される。 As described above, the vibration is transmitted to the elastic member 20 via the second constituent member 13 and the adhered portion 14 in a state where the tip portion 23 of the elastic member 20 is pressed against the adhered portion 14 of the adhered portion 14. .. The elastic member 20 smoothly enters the insertion hole 15 while bending to both sides in the vibration direction. When the tip portion 23 of the elastic member 20 enters the position where the annular groove 21 faces the insertion hole 15, the peripheral edge portion 16 of the insertion hole 15 in the adherend portion 14 is fitted into the annular groove 21 as shown in FIG. To. By this fitting, the elastic member 20 is attached to the adherend portion 14. Further, as shown in FIG. 3, both joint portions 12a and 13a are welded by the vibration of the first component member 12 in the pressed state. That is, the ridge portion of the joint portion 12a vibrates in a state of being pressed against the ridge portion of the joint portion 13a. Due to the frictional heat generated at this time, both the joint portions 12a and 13a are melted and joined at the ridges.

このように、振動溶着の際の圧力と振動とが利用されて、弾性部材２０が被着部１４に装着されるため、手で弾性部材２０を大きな力で被着部１４側へ押す作業が不要となり、作業者にかかる負担が軽減される。また、弾性部材２０の被着部１４への装着が繰り返されても、作業者にかかる負担が増えるのを抑制することができる。 In this way, since the elastic member 20 is attached to the adhered portion 14 by utilizing the pressure and vibration at the time of vibration welding, the work of manually pushing the elastic member 20 toward the adhered portion 14 with a large force is performed. It becomes unnecessary and the burden on the worker is reduced. Further, even if the elastic member 20 is repeatedly attached to the adherend portion 14, it is possible to suppress an increase in the burden on the operator.

また、手作業で弾性部材２０を被着部１４に装着する専従の作業者が不要となる。そのため、それまで弾性部材２０を被着部１４に装着する作業をしていた作業者を、別の作業に振り分けることができる。 Further, a full-time worker who manually attaches the elastic member 20 to the adherend portion 14 becomes unnecessary. Therefore, the operator who had previously attached the elastic member 20 to the adherend portion 14 can be assigned to another operation.

本実施形態によると、上記以外にも、次の効果が得られる。
・一般に、第１構成部材１２及び第２構成部材１３の振動溶着と、弾性部材２０の被着部１４への装着とは、別々の工程で行われるが、本実施形態では同一の工程で行われる。そのため、樹脂製品１０の製造工数を削減することができる。また、１つの樹脂製品１０を製造する時間を短縮することもできる。 According to this embodiment, the following effects can be obtained in addition to the above.
-Generally, vibration welding of the first constituent member 12 and the second constituent member 13 and attachment of the elastic member 20 to the adhered portion 14 are performed in separate steps, but in the present embodiment, the same step is performed. Will be. Therefore, the man-hours for manufacturing the resin product 10 can be reduced. In addition, the time for manufacturing one resin product 10 can be shortened.

・一般的な振動溶着機を用い、固定治具３２に受け部３５を追加するのみで、製造装置３０を構成することができる。また、振動溶着の条件を変更しなくてすむ。
・ここで、振動溶着機３１の振動により弾性部材２０が載置部３６に対し動く（ずれる）と、同弾性部材２０が挿通孔１５に挿通されないおそれがある。この点、本実施形態によれば、載置部３６に載置された弾性部材２０は、保持部３７によって、その載置された位置に保持される。従って、振動溶着時に、弾性部材２０が載置部３６に対し動く（ずれる）ことが規制される。そのため、弾性部材２０の挿通孔１５への挿通を的確に行うことができる。 -The manufacturing apparatus 30 can be configured only by adding the receiving portion 35 to the fixing jig 32 by using a general vibration welding machine. Moreover, it is not necessary to change the conditions of vibration welding.
Here, if the elastic member 20 moves (shifts) with respect to the mounting portion 36 due to the vibration of the vibration welding machine 31, the elastic member 20 may not be inserted into the insertion hole 15. In this respect, according to the present embodiment, the elastic member 20 mounted on the mounting portion 36 is held at the mounting position by the holding portion 37. Therefore, the elastic member 20 is restricted from moving (shifting) with respect to the mounting portion 36 during vibration welding. Therefore, the elastic member 20 can be accurately inserted into the insertion hole 15.

・上記振動に伴い、仮に、弾性部材２０が載置部３６に対し摺動すると、摩擦熱が発生し、弾性部材２０の載置部３６との境界部分が熱の影響を受けるおそれがある。しかし、上記のように弾性部材２０の動きが保持部３７によって規制されるため、摩擦熱の発生が抑制され、弾性部材２０が熱の影響を受けにくい。 If the elastic member 20 slides with respect to the mounting portion 36 due to the vibration, frictional heat is generated, and the boundary portion of the elastic member 20 with the mounting portion 36 may be affected by the heat. However, since the movement of the elastic member 20 is regulated by the holding portion 37 as described above, the generation of frictional heat is suppressed, and the elastic member 20 is less susceptible to heat.

・仮に、受け部３５が固定治具３２に代えて可動治具３９に取り付けられ、弾性部材２０が可動治具３９にセットされると、その可動治具３９が振動する際に、弾性部材２０が同可動治具３９に対し摺動するおそれがある。この場合には、上記と同様に摩擦熱が発生し、弾性部材２０が熱の影響を受ける懸念がある。しかし、本実施形態では、弾性部材２０が固定治具３２に対し、動きを規制された状態でセットされる。弾性部材２０は、可動治具３９が振動しても、固定治具３２に対し動きにくい。そのため、この場合にも上記と同様に摩擦熱の発生が抑制され、弾性部材２０が熱の影響を受けにくい。 If the receiving portion 35 is attached to the movable jig 39 instead of the fixing jig 32 and the elastic member 20 is set in the movable jig 39, when the movable jig 39 vibrates, the elastic member 20 May slide against the movable jig 39. In this case, frictional heat is generated in the same manner as described above, and there is a concern that the elastic member 20 is affected by the heat. However, in the present embodiment, the elastic member 20 is set in a state where the movement is restricted with respect to the fixing jig 32. The elastic member 20 is difficult to move with respect to the fixing jig 32 even if the movable jig 39 vibrates. Therefore, in this case as well, the generation of frictional heat is suppressed as described above, and the elastic member 20 is less susceptible to heat.

・載置部３６に凹部３８が設けられていて、同弾性部材２０の載置部３６との接触面積が、凹部３８が設けられない場合よりも少なくなっている。従って、振動が伝わった弾性部材２０が載置部３６に対し摺動したとしても、同弾性部材２０と載置部３６との間で発生する摩擦熱が少なくなる。そのため、弾性部材２０は、凹部３８が設けられない場合に比べ、摩擦熱による影響を受けにくい。 A recess 38 is provided in the mounting portion 36, and the contact area of the elastic member 20 with the mounting portion 36 is smaller than in the case where the recess 38 is not provided. Therefore, even if the elastic member 20 to which the vibration is transmitted slides with respect to the mounting portion 36, the frictional heat generated between the elastic member 20 and the mounting portion 36 is reduced. Therefore, the elastic member 20 is less susceptible to frictional heat than when the recess 38 is not provided.

・図６に示すように、保持部３７の先端（上端）が、載置部３６に載置された弾性部材２０の環状溝２１よりも、載置部３６側へ遠ざかった箇所、表現を変えると、環状溝２１よりも低い箇所に位置している。そのため、弾性部材２０の挿通孔１５への挿通に伴い、被着部１４における挿通孔１５の周縁部１６が環状溝２１に嵌合される際に、保持部３７が被着部１４と干渉するのを抑制することができる。 As shown in FIG. 6, the place where the tip end (upper end) of the holding portion 37 is farther toward the mounting portion 36 than the annular groove 21 of the elastic member 20 mounted on the mounting portion 36, changes the expression. It is located at a position lower than the annular groove 21. Therefore, as the elastic member 20 is inserted into the insertion hole 15, the holding portion 37 interferes with the attachment portion 14 when the peripheral edge portion 16 of the insertion hole 15 in the attachment portion 14 is fitted into the annular groove 21. Can be suppressed.

なお、上記実施形態は、これを以下のように変更した変形例として実施することもできる。
・上記製造方法及び製造装置によって製造される樹脂製品１０は、振動溶着によって接合される樹脂製の複数の構成部材を備え、その構成部材の１つに設けられた被着部に弾性部材が装着されるものであれば特に限定されない。 It should be noted that the above embodiment can also be implemented as a modified example in which this is modified as follows.
The resin product 10 manufactured by the above manufacturing method and manufacturing apparatus includes a plurality of resin constituent members joined by vibration welding, and an elastic member is attached to an adherend portion provided on one of the constituent members. It is not particularly limited as long as it is used.

該当する樹脂製品としては、例えば、車載エンジン用の樹脂製の吸気マニホールドが挙げられる。この吸気マニホールドでは、製品本体部を構成する複数の樹脂製構成部材の１つに被着部が設けられ、弾性部材がこの被着部に装着される。この場合、弾性部材は、エンジンの振動が吸気マニホールドに伝わるのを抑制する防振材として用いられる。 Examples of the applicable resin product include a resin intake manifold for an in-vehicle engine. In this intake manifold, an adherend portion is provided on one of a plurality of resin constituent members constituting the product main body portion, and an elastic member is attached to the adherent portion. In this case, the elastic member is used as a vibration isolator that suppresses the vibration of the engine from being transmitted to the intake manifold.

・上記製造方法及び製造装置は、接合部１２ａ，１３ａが第１構成部材１２及び第２構成部材１３の外周縁部とは異なる箇所に設けられた樹脂製品を製造する場合にも適用可能である。 -The above manufacturing method and manufacturing apparatus can also be applied to the case of manufacturing a resin product in which the joint portions 12a and 13a are provided at locations different from the outer peripheral edges of the first constituent member 12 and the second constituent member 13. ..

・製品本体部１１は、第１構成部材１２及び第２構成部材１３を必須とし、これらに対し、１又は複数の新たな構成部材が加えられて構成されるものであってもよい。
・保持部３７は、載置部３６を取り囲む円周上において、互いに周方向に離間した状態で配置された複数の突部によって構成されてもよい。 The product main body portion 11 requires the first constituent member 12 and the second constituent member 13, and may be configured by adding one or a plurality of new constituent members to these.
The holding portion 37 may be composed of a plurality of protrusions arranged in a state of being separated from each other in the circumferential direction on the circumference surrounding the mounting portion 36.

・受け部３５における凹部３８は、載置部３６の保持部３７との境界部分において周方向に互いに離間した複数箇所に設けられてもよい。
・受け部３５における凹部３８は、載置部３６において保持部３７との境界部分とは異なる箇所に設けられてもよい。 The recesses 38 in the receiving portion 35 may be provided at a plurality of locations separated from each other in the circumferential direction at the boundary portion of the mounting portion 36 with the holding portion 37.
The recess 38 in the receiving portion 35 may be provided at a position different from the boundary portion with the holding portion 37 in the mounting portion 36.

・摩擦熱によって受ける影響が許容できるほど小さければ、受け部３５が固定治具３２に代えて可動治具３９に取り付けられてもよい。この場合には、樹脂製品１０の製造に際し、第１工程において弾性部材２０が可動治具３９にセットされ、第２工程において、挿通孔１５が弾性部材２０に対向させられた状態で第２構成部材１３が可動治具３９にセットされる。第３工程では、第１構成部材１２が固定治具３２にセットされる。第４工程では、固定治具３２及び可動治具３９が互いに接近させられることで、接合部１２ａ，１３ａにおいて互いに接近する側へ押し付けられた第１構成部材１２及び第２構成部材１３のうちの第２構成部材１３が、可動治具３９によって、押し付け方向に直交する方向へ振動させられる。 If the influence of frictional heat is small enough to be tolerated, the receiving portion 35 may be attached to the movable jig 39 instead of the fixing jig 32. In this case, in the production of the resin product 10, the elastic member 20 is set in the movable jig 39 in the first step, and the second configuration is in a state where the insertion hole 15 faces the elastic member 20 in the second step. The member 13 is set on the movable jig 39. In the third step, the first constituent member 12 is set on the fixing jig 32. In the fourth step, the fixing jig 32 and the movable jig 39 are brought close to each other, so that the first constituent member 12 and the second constituent member 13 pressed toward the side approaching each other in the joint portions 12a and 13a. The second component 13 is vibrated by the movable jig 39 in a direction orthogonal to the pressing direction.

このようにしても、弾性部材２０の先端部２３を被着部１４の挿通孔１５に挿通させ、同挿通孔１５の周縁部１６を環状溝２１に嵌合させて弾性部材２０を被着部１４に装着するとともに、両接合部１２ａ，１３ａを溶着させることができる。 Even in this way, the tip portion 23 of the elastic member 20 is inserted into the insertion hole 15 of the welded portion 14, and the peripheral edge portion 16 of the insertion hole 15 is fitted into the annular groove 21 to fit the elastic member 20 into the welded portion. Both joints 12a and 13a can be welded together with being attached to 14.

・第４工程では、第１構成部材１２及び第２構成部材１３を、接合部１２ａ，１３ａにおいて互いに接近する側へ押し付けるために、可動治具３９が固定治具３２側へ移動されてもよいし、可動治具３９及び固定治具３２の双方が互いに接近する側へ移動されてもよい。 In the fourth step, the movable jig 39 may be moved to the fixing jig 32 side in order to press the first constituent member 12 and the second constituent member 13 toward the side approaching each other in the joint portions 12a and 13a. However, both the movable jig 39 and the fixing jig 32 may be moved to the side close to each other.

１０…樹脂製品、１１…製品本体部、１２…第１構成部材、１２ａ，１３ａ…接合部、１３…第２構成部材、１４…被着部、１５…挿通孔、１６…周縁部、２０…弾性部材、２１…環状溝、３０…製造装置、３１…振動溶着機、３２…固定治具、３６…載置部、３７…保持部、３８…凹部、３９…可動治具。 10 ... Resin product, 11 ... Product body, 12 ... First component, 12a, 13a ... Join, 13 ... Second component, 14 ... Adhesive, 15 ... Insertion hole, 16 ... Peripheral, 20 ... Elastic member, 21 ... annular groove, 30 ... manufacturing device, 31 ... vibration welder, 32 ... fixing jig, 36 ... mounting part, 37 ... holding part, 38 ... recess, 39 ... movable jig.

Claims (6)

それぞれ樹脂材料により形成され、かつそれぞれに設けられた接合部において互いに接合される第１構成部材及び第２構成部材を少なくとも備え、前記第２構成部材には、挿通孔を有する被着部が設けられた製品本体部と、弾性材料により筒状に形成され、かつ外周に環状溝を有し、前記挿通孔の周縁部が前記環状溝に嵌合されることにより、前記被着部に装着される弾性部材とを備える樹脂製品を製造する樹脂製品の製造方法であって、
前記樹脂製品の製造装置として振動溶着機を用い、同振動溶着機における固定治具及び可動治具の一方に前記弾性部材をセットする第１工程と、
前記挿通孔を前記弾性部材に対向させた状態で前記第２構成部材を、前記固定治具及び前記可動治具のうち、前記弾性部材がセットされたものにセットする第２工程と、
前記固定治具及び前記可動治具のうち、前記弾性部材がセットされていないものに前記第１構成部材をセットする第３工程と、
前記固定治具及び前記可動治具を互いに接近させることで、前記接合部において互いに接近する側へ押し付けられた前記第１構成部材及び前記第２構成部材の一方を、押し付け方向に直交する方向へ前記可動治具で振動させることにより、前記弾性部材を前記挿通孔に挿通させ、同挿通孔の周縁部を前記環状溝に嵌合させるとともに、両接合部を溶着させる第４工程と
を備える樹脂製品の製造方法。 Each of the first component members and the second component members, which are formed of a resin material and are joined to each other at the joint portions provided in each, are provided, and the second component member is provided with an adherend portion having an insertion hole. It is attached to the adherend portion by being formed into a tubular shape by an elastic material and having an annular groove on the outer periphery thereof, and the peripheral edge portion of the insertion hole is fitted into the annular groove. It is a manufacturing method of a resin product for manufacturing a resin product provided with an elastic member.
The first step of using a vibration welding machine as a manufacturing apparatus for the resin product and setting the elastic member on one of the fixing jig and the movable jig in the vibration welding machine.
The second step of setting the second component member in the fixing jig and the movable jig in which the elastic member is set with the insertion hole facing the elastic member.
The third step of setting the first constituent member in the fixing jig and the movable jig in which the elastic member is not set, and the third step.
By bringing the fixing jig and the movable jig close to each other, one of the first constituent member and the second constituent member pressed toward the side approaching each other at the joint portion is in a direction orthogonal to the pressing direction. A resin including a fourth step of inserting the elastic member into the insertion hole by vibrating with the movable jig, fitting the peripheral edge portion of the insertion hole into the annular groove, and welding both joint portions. How to make the product. 前記第１工程では、前記弾性部材を前記固定治具に対し、動きを規制した状態でセットし、
前記第２工程では、前記第２構成部材を前記固定治具にセットし、
前記第３工程では、前記第１構成部材を前記可動治具にセットし、
前記第４工程では、前記可動治具により前記第１構成部材を振動させる請求項１に記載の樹脂製品の製造方法。 In the first step, the elastic member is set on the fixing jig in a state where movement is restricted.
In the second step, the second component is set on the fixing jig, and the second component is set on the fixing jig.
In the third step, the first component is set on the movable jig, and the first component is set on the movable jig.
The method for manufacturing a resin product according to claim 1, wherein in the fourth step, the first component member is vibrated by the movable jig. 請求項１又は２に記載の樹脂製品の製造方法に用いられる樹脂製品の製造装置であって、
前記固定治具及び前記可動治具のうち、前記弾性部材がセットされるものには、前記弾性部材が載置される載置部と、前記載置部に載置された前記弾性部材をその載置された位置に保持する保持部とが設けられている樹脂製品の製造装置。 A resin product manufacturing apparatus used in the resin product manufacturing method according to claim 1 or 2.
Among the fixing jig and the movable jig, in the one in which the elastic member is set, the mounting portion on which the elastic member is placed and the elastic member mounted on the above-mentioned resting portion are included. A resin product manufacturing device provided with a holding unit that holds the device in the placed position. 前記保持部は、前記載置部に載置された前記弾性部材を取り囲むように同載置部から突出する突部により構成されている請求項３に記載の樹脂製品の製造装置。 The resin product manufacturing apparatus according to claim 3, wherein the holding portion is composed of a protrusion protruding from the mounting portion so as to surround the elastic member mounted on the mounting portion described above. 前記保持部の先端は、前記載置部に載置された前記弾性部材の前記環状溝よりも、前記載置部側へ遠ざかった箇所に位置している請求項４に記載の樹脂製品の製造装置。 The production of the resin product according to claim 4, wherein the tip of the holding portion is located at a position farther from the annular groove of the elastic member mounted on the previously described resting portion toward the previously described resting portion. Device. 前記載置部には、同載置部に載置された前記弾性部材から遠ざかる方向へ凹む凹部が設けられている請求項３～５のいずれか１項に記載の樹脂製品の製造装置。 The apparatus for manufacturing a resin product according to any one of claims 3 to 5, wherein the above-mentioned mounting portion is provided with a recess recessed in a direction away from the elastic member mounted on the mounting portion.
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