JP5877454B1 - Mold cooling water flow block device - Google Patents
Mold cooling water flow block device Download PDFInfo
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- JP5877454B1 JP5877454B1 JP2014163361A JP2014163361A JP5877454B1 JP 5877454 B1 JP5877454 B1 JP 5877454B1 JP 2014163361 A JP2014163361 A JP 2014163361A JP 2014163361 A JP2014163361 A JP 2014163361A JP 5877454 B1 JP5877454 B1 JP 5877454B1
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- 239000000498 cooling water Substances 0.000 title claims abstract description 77
- 230000000903 blocking effect Effects 0.000 claims abstract description 39
- 230000002093 peripheral effect Effects 0.000 claims abstract description 30
- 229920002302 Nylon 6,6 Polymers 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 229920001973 fluoroelastomer Polymers 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 4
- 239000002184 metal Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 10
- 238000007789 sealing Methods 0.000 description 8
- 239000010949 copper Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ROAMHGQDEBUBQV-UHFFFAOYSA-N 2-chlorohexanedioic acid Chemical compound OC(=O)CCCC(Cl)C(O)=O ROAMHGQDEBUBQV-UHFFFAOYSA-N 0.000 description 1
- 229920002449 FKM Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012643 polycondensation polymerization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Forging (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
【課題】金型の冷却水流路方向を転換させようとするとき、緊密で堅固な金型冷却水流路遮断装置を提供する。【解決手段】ボルト部１１及びヘッド部１２からなる締結ボルト１０と、ボルト部１１が螺合するようにネジ孔が形成されたベース７０と、締結ボルト１０とベース７０との間に介設された弾性リング６０、弾性リング固定片５０、押圧リング４０、拡張スプリング３０及びシート部材２０とを含んでなる金型冷却水流路遮断装置であって、弾性リング固定片５０は、弾性リング６０の内周面を収容して固定する弾性リング固定部が外周縁に形成され、前記ネジ孔が形成されたベース７０は、ナイロン６６材からインサートモールディングされてベース７０を保護する胴体８０を含み、胴体８０は上側円筒部、その上側円筒部より外径の大きな下側円筒部及び前記上下側円筒部の間に形成された段差部を含んでなる金型冷却水流遮断装置。【選択図】図６Disclosed is a mold cooling water flow path shut-off device that is tight and firm when attempting to change the direction of a cooling water flow path of a mold. A fastening bolt 10 including a bolt part 11 and a head part 12, a base 70 in which a screw hole is formed so that the bolt part 11 is screwed, and the fastening bolt 10 and the base 70 are interposed. A mold cooling water passage blocking device including an elastic ring 60, an elastic ring fixing piece 50, a pressing ring 40, an extension spring 30, and a sheet member 20, and the elastic ring fixing piece 50 is an inner part of the elastic ring 60. An elastic ring fixing portion that accommodates and fixes a peripheral surface is formed on the outer peripheral edge, and the base 70 in which the screw hole is formed includes a body 80 that is insert-molded from a nylon 66 material to protect the base 70. Is a mold cooling water flow blocking device including an upper cylindrical portion, a lower cylindrical portion having an outer diameter larger than that of the upper cylindrical portion, and a stepped portion formed between the upper and lower cylindrical portions. [Selection] Figure 6
Description
本発明は金型の冷却水流路方向を転換させようとするとき、冷却水の進行を遮断しなければならない冷却水流路を気密に遮断するのはもちろんのこと、耐熱性及び耐久性を持つようにする金型冷却水流路遮断装置に関する。 In the present invention, when trying to change the direction of the cooling water flow path of the mold, not only the cooling water flow path that must block the progress of the cooling water is hermetically blocked but also has heat resistance and durability. The present invention relates to a mold cooling water flow path blocking device.
一般に、冷却水流路は金型によって生産される製品を冷却させるために冷却水を進行させるものである。このように、冷却水が進行する流路の方向転換は、図１に概略的に示したように、金型１００の冷却水進行を遮断しなければならない流路１１０は冷却水流路遮断装置２００で遮断し、冷却水を必要とする他の流路１１０への進行を誘導する。 In general, the cooling water flow path is used to advance the cooling water in order to cool the product produced by the mold. Thus, as shown in FIG. 1, the direction change of the flow path in which the cooling water travels is performed by using the cooling water flow path blocking device 200 for the flow path 110 that should block the progress of the cooling water in the mold 100. To guide the progress to another flow path 110 that requires cooling water.
前記のような役目をする冷却水流路遮断装置２００は図２に示したようであり、その構成を詳細に説明すれば次のようである。 The cooling water passage blocking device 200 having the above-described role is as shown in FIG. 2, and the configuration thereof will be described in detail as follows.
金型１００に形成された流路１１０の選択位置に挿着されて冷却水の進行を遮断するために、中央部に中空部２１１が形成された第１金具２１０が備えられ、この第１金具２１０の中空部２１１に緊密に挿着されて冷却水の進行を遮断する閉塞具２２０が備えられる。 A first metal fitting 210 having a hollow portion 211 formed at the center is provided to be inserted at a selected position of the flow path 110 formed in the mold 100 to block the progress of the cooling water. An obturator 220 that is tightly inserted into the hollow portion 211 of 210 and blocks the progress of the cooling water is provided.
前記のような構成を持つ冷却水流路遮断装置２００は、第１金具２１０の外周面が流路１１０と緊密に接触し、閉塞具２２０が第１金具２１０の内周面に緊密に挿着されて冷却水の進行を遮断するものである。 In the cooling water passage blocking device 200 having the above-described configuration, the outer peripheral surface of the first metal fitting 210 is in close contact with the flow passage 110, and the obturator 220 is tightly inserted into the inner peripheral surface of the first metal fitting 210. This will block the progress of the cooling water.
しかし、前記のような構成を持つ冷却水流路遮断装置２００は、第１金具２１０の外周面と流路１１０の間のシーリング力及び第１金具２１０の内周面と閉塞具２２０の間にシーリング力が充分でないため、高圧によって流路を進行する冷却水を完全に遮断することができない問題点がある。 However, the cooling water flow path blocking device 200 having the above-described configuration has a sealing force between the outer peripheral surface of the first metal fitting 210 and the flow path 110 and a seal between the inner peripheral surface of the first metal fitting 210 and the obturator 220. Since the force is not sufficient, there is a problem that the cooling water traveling through the flow path cannot be completely blocked by high pressure.
したがって、前記の問題点を解決するために、図３に示したような冷却水流路遮断装置２００を設計して使っている。これを詳細に説明すれば次のようである。 Therefore, in order to solve the above-mentioned problems, the cooling water flow path blocking device 200 as shown in FIG. 3 is designed and used. This will be described in detail as follows.
金型１００に形成された流路１１０の選択位置に挿着されて冷却水の進行を遮断するために、一側から他側に行くほど次第に直径が減少する貫通孔２３１が中央部に形成された第１遮断具２３０が備えられ、この第１遮断具２３０の貫通孔２３１の大径側から小径側に挿合されて前記貫通孔２３１を塞ぐ第２遮断具２４０が備えられ、この第２遮断具２４０の後方には段差部２４１が形成され、前記第１遮断具２３０の端部と第２遮断具２４０の段差部２４１との間にシーリング部材２５０が介装されてなる。 In order to block the progress of the cooling water by being inserted at a selected position of the flow path 110 formed in the mold 100, a through hole 231 whose diameter gradually decreases from one side to the other side is formed in the central portion. The first blocking member 230 is provided, and the second blocking member 240 that is inserted from the large diameter side to the small diameter side of the through hole 231 of the first blocking member 230 to close the through hole 231 is provided. A stepped portion 241 is formed behind the blocking device 240, and a sealing member 250 is interposed between the end portion of the first blocking device 230 and the stepped portion 241 of the second blocking device 240.
前記構成の冷却水流路遮断装置２００は、冷却水の水圧によって第２遮断具２４０を第１遮断具２３０側に押しながら前記シーリング部材２５０を加圧し、その加圧されるシーリング部材２５０によって冷却水が漏水しないようにしているが、これもやはり気密性が充分でない問題点がある。 The cooling water passage blocking device 200 configured as described above pressurizes the sealing member 250 while pushing the second blocking member 240 toward the first blocking member 230 by the water pressure of the cooling water, and the cooling water is pressed by the pressurized sealing member 250. However, this also has a problem that the airtightness is not sufficient.
本発明は前記の問題点を解決するためになされたもので、その目的は、遮断すべき金型冷却水流路の遮断を緊密で堅固にする金型冷却水流路遮断装置を提供することである。 The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a mold cooling water flow path blocking device that tightly and firmly blocks the mold cooling water flow path to be blocked. .
本発明の他の目的は、金型の特性上加熱及び冷却が繰り返し行われても変形されるとか毀損されない耐久性を持つ金型冷却水流路遮断装置を提供することである。 Another object of the present invention is to provide a mold cooling water flow path shut-off device having durability that is not deformed or damaged even if heating and cooling are repeatedly performed due to the characteristics of the mold.
本発明のさらに他の目的は、構成の最小化によって製造コストを低めて軽量化することができる金型冷却水流路遮断装置を提供することである。 Still another object of the present invention is to provide a die cooling water flow path interrupting device that can be reduced in weight by reducing the manufacturing cost by minimizing the configuration.
前記目的を達成するための本発明の課題解決手段の構成は、ボルト部及びヘッド部からなる締結ボルトと、前記ボルト部が螺合するようにネジ孔が形成されたボルト締結体と、前記ボルト締結体７０を保護する胴体８０と、前記締結ボルトとボルト締結体との間に介設された弾性リング、弾性リング固定片、押圧リング、拡張スプリング及びシート部材とを含んでなる金型冷却水流路遮断装置であって、前記弾性リング固定片は、前記弾性リングの内周面を収容して固定する弾性リング固定部が外周縁に形成され、前記胴体８０は、ナイロン６６からインサート成型され、上側円筒部、その上側円筒部より外径の大きな下側円筒部及び前記上下側円筒部の間に形成された段差部を含んでなる。 In order to achieve the above object, the problem solving means of the present invention comprises a fastening bolt comprising a bolt portion and a head portion, a bolt fastening body in which a screw hole is formed so that the bolt portion is screwed , and the bolt. Mold cooling water flow comprising a body 80 for protecting the fastening body 70, and an elastic ring, an elastic ring fixing piece, a pressing ring, an extension spring, and a seat member interposed between the fastening bolt and the bolt fastening body. a road blocking device, said elastic ring fixing piece, the elastic ring fixing portion accommodating and fixing the inner peripheral surface of the elastic ring is formed on an outer peripheral edge, the body 80 is insert-molded from nylon 6 6 , An upper cylindrical portion, a lower cylindrical portion having an outer diameter larger than that of the upper cylindrical portion, and a step portion formed between the upper and lower cylindrical portions.
前記のような構成を持つ本発明の金型冷却水流路遮断装置は、前記目的のように、遮断すべき金型冷却水流路の遮断を緊密で堅固にすることができ、金型の特性上加熱及び冷却が繰り返し行われても変形されるとか毀損されない耐久性を持ち、構成の最小化によって製造コストを低めて軽量化することができる目的を達成することができる効果がある。 The mold cooling water flow path blocking device of the present invention having the above-described configuration can close and tightly block the mold cooling water flow path to be blocked as described above. There is an effect that it has durability that is not deformed or damaged even if heating and cooling are repeatedly performed, and that it is possible to achieve the purpose of reducing the manufacturing cost and weight by minimizing the configuration.
以下、本発明の実施例による金型冷却水流路遮断装置を添付図面に基づいて詳細に説明すれば次のようである。 Hereinafter, a mold cooling water passage blocking device according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
本発明の金型冷却水流路遮断装置は、図１に示したように、金型の冷却水流路の方向を転換させようとするとき、冷却水の進行を遮断しなければならない冷却水流路を気密に遮断するのはもちろんのこと、耐薬品性、耐熱性及び耐久性を持つようにし、軽量化及び構成品の単純化、そして製造コストの低減を図るようにしたものである。 As shown in FIG. 1, the mold cooling water flow path blocking device of the present invention has a cooling water flow path that must block the progress of cooling water when changing the direction of the cooling water flow path of the mold. Not only hermetically shuts off, but also has chemical resistance, heat resistance and durability, so as to reduce weight, simplify components, and reduce manufacturing costs.
前記のような金型冷却水流路遮断装置の基本構成は、図４〜図６に示したように、ボルト部１１及びヘッド部１２からなる締結ボルト１０と、前記ボルト締結体７０を保護する胴体８０と、前記ボルト部が螺合するようにネジ孔７１が形成されたボルト締結体７０と、前記締結ボルト１０とボルト締結体７０との間に介設された弾性リング６０、弾性リング固定片５０、押圧リング４０、拡張スプリング３０及びシート部材２０とを含んでなる金型冷却水流路遮断装置であって、前記弾性リング固定片５０は、前記弾性リング６０の内周面を収容して固定する弾性リング固定部５１が外周縁に形成され、前記胴体８０は、ナイロン６６からインサート成型され、上側円筒部８１、その上側円筒部より外径の大きな下側円筒部８２及び前記上下側円筒部の間に形成された段差部８３を含んでなるものでなる。 As shown in FIGS. 4 to 6, the basic structure of the mold cooling water flow path interrupting device as described above is the fastening bolt 10 composed of the bolt portion 11 and the head portion 12, and the body that protects the bolt fastening body 70. 80, a bolt fastening body 70 in which a screw hole 71 is formed so that the bolt portion is screwed together, an elastic ring 60 interposed between the fastening bolt 10 and the bolt fastening body 70, and an elastic ring fixing piece 50, a mold cooling water passage blocking device including a pressing ring 40, an extension spring 30, and a seat member 20, wherein the elastic ring fixing piece 50 accommodates and fixes the inner peripheral surface of the elastic ring 60. the elastic ring fixing portion 51 is formed on the outer periphery of the body 80 is insert-molded from nylon 6 6, the upper cylindrical portion 81, a large lower cylindrical portion 82 and the upper and lower outer diameter than the upper cylindrical portion The step portion 83 is formed between the side cylindrical portions.
前記のような構成を持つ本発明の金型冷却水流路遮断装置において、ボルト部１１とヘッド部１２からなる締結ボルト１０はボルト締結体７０のネジ孔７１と螺合されるもので、前記締結ボルト１０とボルト締結体７０との間には弾性リング６０が結合された弾性リング固定片５０、押圧リング４０、拡張スプリング３０及びシート部材２０が順次積層された状態で、前記締結ボルト１０をボルト締結体７０のネジ孔７１に締結して結合する方式で前記弾性リング６０が結合された弾性リング固定片５０、押圧リング４０、拡張スプリング３０及びシート部材２０を緊密に密着して固定させる。 In the mold cooling water passage blocking device of the present invention having the above-described configuration, the fastening bolt 10 including the bolt portion 11 and the head portion 12 is screwed into the screw hole 71 of the bolt fastening body 70, and In the state where the elastic ring fixing piece 50 to which the elastic ring 60 is coupled, the pressing ring 40, the extension spring 30 and the sheet member 20 are sequentially laminated between the bolt 10 and the bolt fastening body 70, the fastening bolt 10 is bolted. The elastic ring fixing piece 50, the pressing ring 40, the expansion spring 30 and the seat member 20 to which the elastic ring 60 is coupled are fixed in close contact with each other by fastening and coupling to the screw holes 71 of the fastening body 70.
一方、前記ヘッド部１２の上面には締結ボルト１０を作動させる工具結合孔１３を形成させることが好ましい。 Meanwhile, it is preferable that a tool coupling hole 13 for operating the fastening bolt 10 is formed on the upper surface of the head portion 12.
前記のように、それぞれの構成品が密着する本発明の金型冷却水流路遮断装置は、図４及び図６に示したように、金型冷却水流路に挿合された状態で前記金型冷却水流路を通じて冷却水が漏水しないようにするものであり、その冷却水が漏水しないようにする決定的な構成品は弾性リング固定片５０の外周面に結合された弾性リング６０である。 As described above, the mold cooling water passage blocking device of the present invention in which the respective components are in close contact with each other, as shown in FIGS. 4 and 6, the mold is inserted into the mold cooling water passage. The critical component for preventing the coolant from leaking through the coolant flow path and preventing the coolant from leaking is an elastic ring 60 coupled to the outer peripheral surface of the elastic ring fixing piece 50.
前記弾性リング６０による冷却水流路の冷却水漏水防止の原理は、前記締結ボルト１０をボルト締結体７０のネジ孔７１に堅固に螺合すれば、その結合力がシート部材２０と押圧リング４０に伝達されて弾性リング６０の上下部に圧力が加わり、それによって弾性リング６０が両側に圧搾されて金型冷却水流路の円周面と緊密に接触してシーリング力を向上させることにより、冷却水の漏水を防止することになるものである。 The principle of preventing the leakage of cooling water in the cooling water flow path by the elastic ring 60 is that when the fastening bolt 10 is firmly screwed into the screw hole 71 of the bolt fastening body 70, the coupling force is applied to the seat member 20 and the pressing ring 40. As a result, pressure is applied to the upper and lower portions of the elastic ring 60, whereby the elastic ring 60 is squeezed on both sides so as to come into close contact with the circumferential surface of the mold cooling water flow path to improve the sealing force. This will prevent water leakage.
前記のような役割をする弾性リング６０は円形リングの形態に形成され、その円形リングの形態の弾性リング６０は弾性リング固定片５０の外周縁に形成された弾性リング固定部５１に固定され、前記弾性リング固定部５１の形態は以降の実施例１〜３を参照して説明する。 The elastic ring 60 having the above-described role is formed in the shape of a circular ring, and the elastic ring 60 in the shape of the circular ring is fixed to an elastic ring fixing portion 51 formed on the outer peripheral edge of the elastic ring fixing piece 50, The form of the elastic ring fixing portion 51 will be described with reference to the following first to third embodiments.
前記弾性リング固定部５１の第１実施例の構成は、図７ａに示したように、弾性リング固定片５０の外周縁に沿って前記弾性リング６０の内周面に対応する弧形溝５１ａの形態に形成されるので、円形リングの形態の弾性リング６０の内周面が前記弧形溝５１ａに安定で堅固に固定される。 As shown in FIG. 7 a, the first embodiment of the elastic ring fixing portion 51 has an arc-shaped groove 51 a corresponding to the inner peripheral surface of the elastic ring 60 along the outer peripheral edge of the elastic ring fixing piece 50. Since it is formed in a shape, the inner peripheral surface of the elastic ring 60 in the form of a circular ring is stably and firmly fixed to the arc-shaped groove 51a.
このような弾性リング固定片５０と弾性リング６０は、一つの弾性リング固定片５０に一つの弾性リング６０が結合されることにより、金型の冷却水流路のシーリング力を高めることができるものであり、これは従来二つの弾性リングを使うものと同等ないしそれ以上のシーリング力を維持するのはもちろんのこと、構成品の簡素化によって本発明による金型冷却水流路遮断装置の軽量化及び製造コストの低減を達成することができるものである。 The elastic ring fixing piece 50 and the elastic ring 60 can increase the sealing force of the cooling water flow path of the mold by connecting one elastic ring 60 to one elastic ring fixing piece 50. This is not only to maintain a sealing force equal to or higher than that of the conventional one using two elastic rings, but also to reduce the weight and manufacture of the mold cooling water flow path blocking device according to the present invention by simplifying the components. Cost reduction can be achieved.
そして、前記弾性リング６０の一実施例の素材は、フッ素ゴム（Ｖｉｔｏｎ）であることが好ましい。その理由は、フッ素ゴムは耐熱性、耐油性及び耐薬品性が一般の合成ゴムに比べて著しく優れるので、使用寿命を延ばすことができる利点がある。 The material of one embodiment of the elastic ring 60 is preferably fluororubber (Viton). The reason for this is that fluororubber is significantly superior in heat resistance, oil resistance and chemical resistance compared to general synthetic rubber, and thus has an advantage of extending the service life.
一方、本発明の弾性リング６０の素材はフッ素ゴムに限定されるものではなく、耐熱性、耐油性及び耐薬品性に優れた素材の合成ゴムはいずれも使用可能である。 On the other hand, the material of the elastic ring 60 of the present invention is not limited to fluoro rubber, and any synthetic rubber having excellent heat resistance, oil resistance and chemical resistance can be used.
また、本発明の弾性リング固定部５１の第２実施例の構成は、図７ｂに示したように、弾性リング固定片５０の外周縁に沿って弾性リング６０の内周面の一部を収容して固定する弧形の延長部５１ｂが形成され、その延長部５１ｂに前記弾性リング６０の内周面の一部を収容する方式で結合される。前記のように、弧形の延長部５１ｂに結合される弾性リング６０の役目は前記実施例１と同様であるので、それについての重複説明は省略する、 Further, the configuration of the second embodiment of the elastic ring fixing portion 51 of the present invention accommodates a part of the inner peripheral surface of the elastic ring 60 along the outer peripheral edge of the elastic ring fixing piece 50 as shown in FIG. Then, an arc-shaped extension 51b to be fixed is formed, and is coupled to the extension 51b in such a manner that a part of the inner peripheral surface of the elastic ring 60 is received. As described above, the role of the elastic ring 60 coupled to the arc-shaped extension portion 51b is the same as that of the first embodiment, and therefore, a duplicate description thereof is omitted.
また、本発明の弾性リング固定部５１の第３実施例の構成は、図７ｃに示したように、弾性リング固定片５０の外周縁に沿って弾性リング６０の内周面の一部を収容して固定する断面漏斗形の延長部５１ｃが形成され、その延長部５１ｃに前記弾性リング６０の内周面の一部を収容する方式で結合される。前記のように、弧形の延長部５１ｃに結合される弾性リング６０の役目は前記実施例１と同様であるので、それについての重複説明は省略する。 Further, the configuration of the third embodiment of the elastic ring fixing portion 51 of the present invention accommodates a part of the inner peripheral surface of the elastic ring 60 along the outer peripheral edge of the elastic ring fixing piece 50 as shown in FIG. Then, a funnel-shaped extension 51c is formed to be fixed, and is coupled to the extension 51c in such a manner that a part of the inner peripheral surface of the elastic ring 60 is received. As described above, the role of the elastic ring 60 coupled to the arc-shaped extension 51c is the same as that of the first embodiment, and therefore, a duplicate description thereof is omitted.
そして、前記弾性リング６０が結合される弾性リング固定片５０の素材は、ナイロン６６、銅（Ｃｕ）、及び銅（Ｃｕ）素材の弾性リング固定片５０をナイロン６６からインサート成型したもののいずれを使っても構わないが、好適にはナイロン６６から形成された弾性リング固定片５０を使うことである。 The material of the elastic ring fixing piece 50 to which the elastic ring 60 is coupled is nylon 66, copper (Cu), or an elastic ring fixing piece 50 of copper (Cu) material that is insert- molded from nylon 66. However, it is preferable to use an elastic ring fixing piece 50 formed of nylon 66.
前記弾性リング固定片５０をナイロン６６から形成する理由は、本発明の金型冷却水流路遮断装置を軽量化し、前記ナイロン６６の特性である耐熱性、弾性率、耐磨耗性、耐薬品性及び耐食性を向上させるためである。 The reason for forming the elastic ring fixed piece 50 of nylon 66, the mold cooling water flow path shut-off device of the present invention is light weight, heat resistance is a property of the nylon 6 6, modulus, abrasion resistance, chemical This is to improve the properties and corrosion resistance.
参照として、前記ナイロン６６は、ヘキサメチレンジアミンと塩化アジピン酸の脱水縮合重合反応によって製造されたものである。 As a reference, the nylon 66 is produced by a dehydration condensation polymerization reaction of hexamethylenediamine and chloroadipic acid.
本発明のシート部材２０は、図４に示したように、締結ボルト１０のボルト部１１が貫くボルト孔２２と、ヘッド部１２を収容するヘッド部収容凹部２１と、外部中間部から下端に外径が次第に減少するテーパー部２３とが形成されてなるものである。前記ヘッド部収容凹部２１は、締結ボルト１０がボルト締結体７０のネジ孔７１に全く螺合したとき、前記締結ボルト１０のヘッド部１２がヘッド部収容凹部２１に挿着されて前記ヘッド部１２の上面がシート部材２０の上面から突出しないようにするためのものである。 As shown in FIG. 4, the sheet member 20 of the present invention includes a bolt hole 22 through which the bolt part 11 of the fastening bolt 10 penetrates, a head part accommodating recess 21 that accommodates the head part 12, and an outer intermediate part to the lower end. A tapered portion 23 having a diameter that gradually decreases is formed. When the fastening bolt 10 is completely screwed into the screw hole 71 of the bolt fastening body 70, the head portion receiving recess 21 is inserted into the head portion receiving recess 21 and the head portion 12 is inserted into the head portion receiving recess 21. This prevents the upper surface of the sheet member 20 from protruding from the upper surface of the sheet member 20.
そして、前記押圧リング４０はシート部材２０の下側に位置し、締結ボルト１０がボルト締結体７０のネジ孔７１に結合されることによる押圧力を弾性リング６０に伝達してその弾性リング６０を圧搾する役目をするもので、その構成は上端から下端まで伸びる貫通孔４１が形成されたリング形に形成される。 The pressing ring 40 is located on the lower side of the sheet member 20, and the pressing force generated when the fastening bolt 10 is coupled to the screw hole 71 of the bolt fastening body 70 is transmitted to the elastic ring 60. It functions to squeeze, and its configuration is formed in a ring shape in which a through hole 41 extending from the upper end to the lower end is formed.
前記のような構成を持つ前記押圧リング４０は、上端がシート部材２０の下端と接触し、下端は前記弾性リング６０の上端と接触する。 The pressing ring 40 having the above-described configuration has an upper end in contact with the lower end of the sheet member 20 and a lower end in contact with the upper end of the elastic ring 60.
また、前記シート部材２０の外部に形成されたテーパー部２３には拡張スプリング３０が位置して前記締結ボルト１０の締結力でシート部材２０の外側面、つまりテーパー部２３と押圧リング４０の上側表面との間に密着するとき、シート部材２０の加圧力によって前記拡張スプリング３０の外径が拡張してシート部材２０の外部と押圧リング４０の上側表面の間に気密性を維持させる媒介体の役目をする。 Further, an extension spring 30 is positioned on the tapered portion 23 formed outside the seat member 20, and the outer surface of the sheet member 20, that is, the upper surface of the tapered portion 23 and the pressing ring 40 by the fastening force of the fastening bolt 10. The outer diameter of the expansion spring 30 is expanded by the pressing force of the sheet member 20 and maintains the airtightness between the outside of the sheet member 20 and the upper surface of the pressing ring 40. do.
前記拡張スプリング３０は金属材の弾性リングであり、一側端部が相互に離隔するように形成されることが好ましい。その理由は、締結ボルト１０の締結力によってシート部材２０と押圧リング４０間の緊密な接触がなされる段階で、前記押圧リング４０が拡張スプリング３０をシート部材２０の外部テーパー部２３に押し上げるとき、拡張スプリング３０が容易に拡張されるようにするためである。 The extension spring 30 is an elastic ring made of a metal material, and is preferably formed such that one side end portions are separated from each other. The reason is that when the pressing ring 40 pushes the expansion spring 30 to the external taper portion 23 of the seat member 20 at the stage where the tight contact between the seat member 20 and the pressing ring 40 is made by the fastening force of the fastening bolt 10, This is because the expansion spring 30 is easily expanded.
本発明のボルト締結体７０にはナイロン６６からインサート成型してボルト締結体７０を保護する胴体８０が備えられる。前記胴体８０は上側円筒部８１とその上側円筒部より外径の大きな下側円筒部８２と前記上下側円筒部の間に形成された段差部８３とが形成されてなるものである。 The bolt fastener 70 of the present invention the body 80 to protect the bolt body 70 by insert molding from nylon 6 6 is provided. The body 80 includes an upper cylindrical portion 81, a lower cylindrical portion 82 having a larger outer diameter than the upper cylindrical portion, and a stepped portion 83 formed between the upper and lower cylindrical portions.
前記ボルト締結体７０をナイロン６６からインサート成型して胴体８０を形成する理由は、本発明の金型冷却水流路遮断装置を軽量化し、前記ナイロン６６の特性である耐熱性、弾性率、耐磨耗性、耐薬品性及び耐食性を向上させるためである。 The reason for forming the body 80 of the bolt fastener 70 by insert molding from nylon 6 6, the mold cooling water flow path shut-off device of the present invention is light weight, heat resistance is a property of the nylon 6 6, elastic modulus, This is to improve wear resistance, chemical resistance and corrosion resistance.
従来のボルト締結体７０は銅（Ｃｕ）材からなるから、高価であるばかでなく重い欠点及びシーリング力が劣る欠点があるが、本発明はこれを解消するとともに前記ナイロン６６の特性によって使用寿命を延ばすためである。 Since the conventional bolt fastening body 70 is made of a copper (Cu) material, there are disadvantages that are expensive and heavy, and that the sealing power is inferior. This is to extend the length.
前記のような役目をするナイロン６６からの胴体８０の構成は、上側円筒部８１とその上側円筒部８１より外径が大きな下側円筒部８２と前記上下側円筒部の間に形成された段差部８３とからなる。 Structure of the fuselage 80 from nylon 6 6, which serves as above, which is formed between the upper cylindrical portion 81 outside diameter than the upper cylindrical portion 81 and the larger lower cylindrical portion 82 of the upper and lower side cylindrical portion The step portion 83 is formed.
前記上側円筒部８１は、弾性リング固定片５０、押圧リング４０、拡張スプリング３０及びシート部材２０が嵌合され、段差部８３は前記上側円筒部８１に嵌合された弾性リング固定片５０、押圧リング４０、拡張スプリング３０及びシート部材２０を支持する役目をし、下側円筒部８２は前記段差部によって支持される前記上側円筒部８１に嵌合された弾性リング固定片５０、押圧リング４０、拡張スプリング３０及びシート部材２０を支持する役目をする。 The upper cylindrical portion 81 is fitted with the elastic ring fixing piece 50, the pressing ring 40, the expansion spring 30 and the seat member 20, and the stepped portion 83 is the elastic ring fixing piece 50 fitted with the upper cylindrical portion 81, the pressing portion The lower cylindrical portion 82 serves to support the ring 40, the expansion spring 30 and the seat member 20, and the lower cylindrical portion 82 is fitted to the upper cylindrical portion 81 supported by the stepped portion, the pressing ring 40, It serves to support the expansion spring 30 and the seat member 20.
また、前記ボルト締結体７０の外周面に微細凹凸が形成される。この凹凸を形成する理由は、ナイロン６６からインサート成型した後、そのモールディング力を高めるためである。 Further, fine irregularities are formed on the outer peripheral surface of the bolt fastening body 70. The reason for forming the irregularities, after insert molding of nylon 6 6, in order to increase the molding force.
以上説明した弾性リング固定片５０に結合された弾性リング６０、押圧リング４０、シート部材２０及び胴体８０の形状は金型冷却水流路形状に対応する形状で、金型冷却水流路に緊密に結合することができる大きさであればよく、前記弾性リング固定片５０の内径及び押圧リング４０の貫通孔４１は胴体８０の上側円筒部８１に嵌合することができる大きさであればよい。 The shape of the elastic ring 60, the pressing ring 40, the sheet member 20, and the body 80 coupled to the elastic ring fixing piece 50 described above corresponds to the shape of the mold cooling water flow path and is tightly coupled to the mold cooling water flow path. The inner diameter of the elastic ring fixing piece 50 and the through hole 41 of the pressing ring 40 may be of a size that can be fitted into the upper cylindrical portion 81 of the body 80.
前述したような本発明の金型冷却水流路遮断装置は、金型の冷却水流路方向を転換させようとするとき、冷却水の進行を遮断しなければならない冷却水流路を気密に遮断するのはもちろんのこと、耐薬品性、耐熱性及び耐久性を持つようにし、さらに軽量化、構成品の単純化及び製造コストの低減を図る利点がある。 The mold cooling water flow path blocking device of the present invention as described above shuts off the cooling water flow path that must block the progress of the cooling water when trying to change the direction of the cooling water flow path of the mold. Needless to say, there are advantages in that it has chemical resistance, heat resistance and durability, and further, it is possible to reduce the weight, simplify the components, and reduce the manufacturing cost.
本発明は、冷却水の進行を遮断しなければならない冷却水流路を気密に遮断する金型冷却水流路遮断装置に適用可能である。 INDUSTRIAL APPLICABILITY The present invention is applicable to a mold cooling water flow path blocking device that hermetically blocks a cooling water flow path that must block the progress of cooling water.
１０ 締結ボルト
１１ ボルト部
１２ ヘッド部
１３ 工具結合孔
２０ シート部材
２１ ヘッド部収容凹部
２２ ボルト孔
２３ テーパー部
３０ 拡張スプリング
４０ 押圧リング
４１ 貫通孔
５０ 弾性リング固定片
５１ 弾性リング固定部
５１ａ 弧形溝
５１ｂ、５１ｃ 延長部
６０ 弾性リング
７０ ボルト締結体
７１ ネジ孔
８０ 胴体
８１ 上側円筒部
８２ 下側円筒部
８３ 段差部
DESCRIPTION OF SYMBOLS 10 Fastening bolt 11 Bolt part 12 Head part 13 Tool coupling hole 20 Sheet member 21 Head part accommodation recessed part 22 Bolt hole 23 Tapered part 30 Expansion spring 40 Press ring 41 Through-hole 50 Elastic ring fixed piece 51 Elastic ring fixed part 51a Arc-shaped groove 51b, 51c Extension part 60 Elastic ring 70 Bolt fastening body 71 Screw hole 80 Body 81 Upper cylindrical part 82 Lower cylindrical part 83 Step part
Claims (10)
前記弾性リング固定片（５０）は、前記弾性リング（６０）の内周面を収容して固定する弾性リング固定部（５１）が外周縁に形成され、前記胴体（８０）は、ナイロン６６からインサート成型され、上側円筒部（８１）、その上側円筒部より外径の大きな下側円筒部（８２）及び前記上下側円筒部の間に形成された段差部（８３）を含んでなることを特徴とする、金型冷却水流路遮断装置。 A fastening bolt ( 10 ) composed of a bolt part ( 11 ) and a head part ( 12 ), a bolt fastening body ( 70 ) in which a screw hole ( 71 ) is formed so that the bolt part is screwed, and the bolt fastening body A body (80) for protecting (70), an elastic ring ( 60 ) interposed between the fastening bolt ( 10 ) and the bolt fastening body ( 70 ) , an elastic ring fixing piece ( 50 ) , A mold cooling water passage blocking device comprising a pressing ring ( 40 ), an expansion spring ( 30 ), and a seat member ( 20 ) ,
The elastic ring fixing piece ( 50 ) has an elastic ring fixing portion ( 51 ) formed on the outer peripheral edge for receiving and fixing the inner peripheral surface of the elastic ring ( 60 ) , and the body (80) is made of nylon 6 6. from the insert molding, the upper cylindrical portion (81), that comprise a larger lower cylindrical portion (82) and the stepped portion formed between the upper and lower cylindrical portion of the outer diameter than its upper cylindrical portion (83) A mold cooling water flow path shut-off device.
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