JP2013132782A - Seal joining method and sealing member - Google Patents

Seal joining method and sealing member Download PDF

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Publication number
JP2013132782A
JP2013132782A JP2011283268A JP2011283268A JP2013132782A JP 2013132782 A JP2013132782 A JP 2013132782A JP 2011283268 A JP2011283268 A JP 2011283268A JP 2011283268 A JP2011283268 A JP 2011283268A JP 2013132782 A JP2013132782 A JP 2013132782A
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Prior art keywords
seal
jig
lower jig
joining method
joining
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JP5850319B2 (en
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Nobuhiro Nishimura
宣宏 西村
Takahiro Takada
隆広 高田
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Nok Corp
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Nok Corp
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Priority to JP2011283268A priority Critical patent/JP5850319B2/en
Priority to PCT/JP2012/060304 priority patent/WO2013099310A1/en
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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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/30—Electrical means
    • B29C65/305—Electrical means involving the use of cartridge heaters
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
    • 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
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7841—Holding or clamping means for handling purposes
    • 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
    • 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
    • B29C66/324—Avoiding burr formation
    • 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
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/524—Joining profiled elements
    • B29C66/5241—Joining profiled elements for forming coaxial connections, i.e. the profiled elements to be joined forming a zero angle relative to each 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91211—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods
    • B29C66/91212—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods involving measurement means being part of the welding jaws, e.g. integrated in the welding jaws
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91231—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature of the joining tool
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91421—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the joining tools
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
    • 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
    • B29C66/004—Preventing sticking together, e.g. of some areas of the parts to be joined
    • B29C66/0042—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined
    • B29C66/0044—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined using a separating sheet, e.g. fixed on the joining tool
    • 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
    • B29C66/71—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 composition of the plastics material of the parts to be joined
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/816—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8167—Quick change joining tools or surfaces
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/94—Measuring or controlling the joining process by measuring or controlling the time
    • B29C66/949—Measuring or controlling the joining process by measuring or controlling the time characterised by specific time values or ranges
    • 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
    • B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints

Abstract

PROBLEM TO BE SOLVED: To provide a joining method suitable for joining of a seal member including a seal lip portion, the joining requiring joint accuracy.SOLUTION: The method includes steps of: applying an adhesive to an end of each of seal bodies and placing the seal bodies on a lower jig having a lip groove for receiving the seal lip portion; holding the seal bodies between the lower jig and a pressing jig; fixing the pressing jig to the seal bodies in such a manner as to be movable toward the lower jig; moving the pressing jig toward the other side surface of the lower jig together with the seal bodies until both end portions thereof abut on each other; fixing an upper jig to the lower jig in such a manner as to entirely cover the seal bodies in the vicinity including a joint portion where both the end portions mutually abut; heating the jigs to thermally adhere the joint portion; and taking out the joined seal bodies from the jigs.

Description

本発明は、シール接合方法及びシール部材に関する。
また、本発明は、紐状に成形したシール本体からシール部材を製作する為のシール接合方法及びシール部材に関する。
また、本発明は、風力発電等に使用される大型のシール部材を押し出し成形により紐状に成形した後、紐状に成形したシール本体の両端部を接合して製作するシール接合方法及びシール部材に関する。 The present invention relates to a seal joining method and a seal member.
The present invention also relates to a seal joining method and a seal member for producing a seal member from a seal body formed into a string shape.
Further, the present invention relates to a seal joining method and a seal member, which are manufactured by joining large ends of a large seal member used in wind power generation or the like into a string shape by extrusion molding and then joining both ends of the seal body molded into a string shape. About.

従来、紐状に押し出したゴム体の両端部に未加硫ゴム層を残しておき、一方のゴム体を拘束しているクランプ部を他方のゴム体に向かって移動させ、両端部の未加硫ゴム層を当接させた後、モールド部で未加硫ゴム層を覆い、加圧及び加熱により未加硫ゴムを加硫して接合する方法が行われていた。（特許文献１）   Conventionally, an unvulcanized rubber layer is left at both ends of a rubber body extruded in a string shape, and a clamp portion that restrains one rubber body is moved toward the other rubber body, so After contacting the vulcanized rubber layer, a method of covering the unvulcanized rubber layer with a mold part and vulcanizing and bonding the unvulcanized rubber by pressurization and heating has been performed. (Patent Document 1)

しかし、ゴム体の両端部に未加硫ゴム層を残して紐状のシール本体を成形することは困難で有った。
更に、ゴム体の両端部は自由状態（何等のガイド部材が存在しない状態）で両端部の未加硫ゴム層を当接させている為、接合面を精度良く当接させる事が困難で有った。
この為、風力発電等に使用される大型のシール部材の様に、シールリップ部を備えたシール部材の接合には不向きで有った。 However, it has been difficult to form a string-like seal body while leaving an unvulcanized rubber layer at both ends of the rubber body.
Furthermore, since both ends of the rubber body are in a free state (no guide member is present) and the unvulcanized rubber layers on both ends are in contact, it is difficult to contact the joining surfaces with high accuracy. It was.
For this reason, it was unsuitable for joining of the sealing member provided with the seal lip part like the large-sized sealing member used for wind power generation etc.

更にまた、加圧機構を設けると共に、加熱板をモールド部とは別に設けたりしなければならず、装置全体が大型化せざるを得ない為、風力発電等に使用される大型のシール部材の様に、高所の現場で使用する用途には適していなかった。   Furthermore, a pressurizing mechanism and a heating plate must be provided separately from the mold part, and the entire apparatus must be enlarged. In the same way, it was not suitable for use in high places.

特開平８−７２１４６号公報JP-A-8-72146

本発明は、このような課題に鑑みてなされたものであり、接合精度が要求されるシールリップ部を備えたシール部材の接合に適した接合方法であると共に、高所の現場で使用する用途に適したシール接合方法及びシール部材を提供することである。   The present invention has been made in view of such a problem, and is a joining method suitable for joining a seal member having a seal lip portion that requires joining accuracy, and is also used in a high place. It is to provide a seal joining method and a seal member suitable for the above.

本発明に係るシール接合方法は、シールリップ部を備えたゴム状弾性材製紐状シール本体の端部に接着剤を塗布し、前記両端部を近接させた状態で、前記シールリップ部を受け入れるリップ溝を形成した下側冶具上に載置する工程と、前記下側冶具の一方の側面側であって、前記下側冶具との間で押え冶具により前記シール本体を挟持する工程と、前記下側冶具の他方の側面から一定の間隙を保って、前記下側冶具に向かって移動可能に、押し冶具を前記シール本体に固定する工程と、前記押し冶具を前記下側冶具の前記他方の側面に向かって、前記両端部が当接するまで前記シール本体と共に移動させる工程と、前記両端部が当接した接合箇所を含む近傍の前記シール本体全体を覆う様に上側冶具を前記下側冶具に固定する工程と、前記冶具を加熱して前記接合箇所を加熱接着する工程と、前記接合されたシール本体を前記冶具から取り出す工程とより成ることを特徴とする。   In the seal joining method according to the present invention, an adhesive is applied to an end portion of a rubber-like elastic string-like seal body provided with a seal lip portion, and the seal lip portion is received in a state where the both end portions are close to each other. A step of placing on a lower jig formed with a lip groove, a step of sandwiching the seal body with a holding jig between the lower jig and the one side of the lower jig, and A step of fixing the pushing jig to the seal body so as to be movable toward the lower jig while maintaining a certain gap from the other side surface of the lower jig; and the pushing jig is fixed to the other side of the lower jig. The upper jig is moved to the lower jig so as to cover the entire seal body in the vicinity including the joint where the both ends abut, and the step of moving together with the seal body until the both ends abut against the side surface. Fixing process, and A step of heat bonding the joint by heating, characterized by comprising more the step of removing the bonded seal body from said jig.

また、本発明に係るシール部材は、上記シール接合方法により得られることを特徴とする。   Moreover, the seal member according to the present invention is obtained by the above-described seal joining method.

本発明は、以下に記載されるような効果を奏する。
請求項１記載の発明のシール接合方法によれば、接合精度が要求されるシールリップ部を備えたシール部材の接合に適した接合方法であると共に、高所の現場で使用する用途に適している。
また、請求項２記載の発明のシール接合方法によれば、複数本のシールリップ部を備えたシール部材であっても、精度良く接合する事が出来る。 The present invention has the following effects.
According to the seal joining method of the invention described in claim 1, it is a joining method suitable for joining a seal member having a seal lip portion that requires joining accuracy, and is suitable for an application to be used at a high place. Yes.
According to the seal joining method of the invention described in claim 2, even a seal member having a plurality of seal lip portions can be joined with high accuracy.

更に、請求項３記載の発明のシール接合方法によれば、シールリップ部に変形応力を作用させない為、シールリップ部を精度良く接合する事が出来る。
更に、請求項４記載の発明のシール接合方法によれば、冶具への接着剤の付着が防げる為、接合面の仕上がりが良好で有るばかりでなく、シール部材を冶具から取り出すのが容易である。 Furthermore, according to the seal joining method of the invention described in claim 3, since the deformation stress is not applied to the seal lip portion, the seal lip portion can be joined with high accuracy.
Furthermore, according to the seal joining method of the invention described in claim 4, since adhesion of the adhesive to the jig can be prevented, not only the finish of the joining surface is good, but also the sealing member can be easily taken out from the jig. .

更に、請求項５記載の発明のシール接合方法によれば、紐状シール本体の両端部を確実に接合出来る。
更に、請求項６記載の発明のシール接合方法によれば、高所での作業を安全に行う事が出来る。 Furthermore, according to the seal joining method of the invention described in claim 5, both ends of the string-like seal body can be reliably joined.
Furthermore, according to the seal joining method of the invention described in claim 6, work at a high place can be performed safely.

更に、請求項７記載の発明のシール部材によれば、シールリップ部が精度良く接合された、シール性能が良好なシール部材が提供出来る。
更に、請求項８記載の発明のシール部材によれば、高所での作業を伴う風力発電用の大型シール部材に好適に用いる事が出来る。 Furthermore, according to the seal member of the invention described in claim 7, it is possible to provide a seal member having a good sealing performance in which the seal lip portions are joined with high accuracy.
Furthermore, according to the seal member of the invention described in claim 8, it can be suitably used for a large-scale seal member for wind power generation involving work at a high place.

下側冶具に押え冶具と上側冶具を組み付けた状態の平面図。The top view of the state which assembled the presser jig and the upper jig to the lower jig. 図１の右側側面図。The right side view of FIG. 図１の左側側面図。The left side view of FIG. 図１の背面図。The rear view of FIG. 図１の正面図。The front view of FIG. 押し冶具の平面図。The top view of a pushing jig. 図６の側面図。The side view of FIG. 図１に示した冶具に図６の押し冶具を押し込みボルトで取り付けた状態の図。The figure of the state which attached the pushing jig of FIG. 6 to the jig shown in FIG. 1 with the pushing bolt. 図８の冶具にシール本体が装着された状態の図。The figure of the state by which the seal | sticker main body was mounted | worn with the jig of FIG. 図９の上側冶具を取り外した状態の立体斜視図。The three-dimensional perspective view of the state which removed the upper jig of FIG. 紐状シール本体の両端部を近接させた部分平面図。The partial top view which made the both ends of a string-like seal main body adjoin. 本発明に係るシール接合方法により製作されたシール部材の断面図。Sectional drawing of the sealing member manufactured by the seal | sticker joining method which concerns on this invention.

以下、本発明を実施するための形態について説明する。
図１乃至図１０に基づき考案を実施するための形態について説明する。 Hereinafter, modes for carrying out the present invention will be described.
A mode for carrying out the invention will be described with reference to FIGS.

図１０に示す様に、この種シール接合方法は、最初に、シールリップ部１１、１１を備えたゴム状弾性材製紐状シール本体１０、１０の端部１２、１２に接着剤を塗布し、ついで、この両端部１２、１２を近接させた状態で、図１乃至図５に示す、シールリップ部１１、１１を受け入れるリップ溝２１１、２１１を形成した下側冶具２１上に載置する。
この時の両端部１２、１２間の間隙は、２ｍｍ程度あり、接合工程前に両端部１２、１２に塗布した接着剤が互いに接触して、イレギュラーな接触をして接着力の低下を来さない為である。
またシール本体１０、１０を下側冶具２１上に載置する前に、接着剤を乾燥させておく事が好ましい。 As shown in FIG. 10, in this type of seal joining method, first, an adhesive is applied to the end portions 12 and 12 of the rubber-like elastic cord-like seal bodies 10 and 10 having the seal lip portions 11 and 11. Next, the two end portions 12 and 12 are placed close to each other on the lower jig 21 having the lip grooves 211 and 211 for receiving the seal lip portions 11 and 11 shown in FIGS.
At this time, the gap between the both end portions 12 and 12 is about 2 mm, and the adhesive applied to the both end portions 12 and 12 before the joining step comes into contact with each other, causing irregular contact and reducing the adhesive force. This is because it does not.
Further, it is preferable to dry the adhesive before placing the seal bodies 10 and 10 on the lower jig 21.

図１乃至図５は、上側冶具２３及び押え冶具２４を下側冶具２１に取り付けた状態で示しているが、シール本体１０、１０を下側冶具２１上に載置する段階では、上側冶具２３及び押え冶具２４が下側冶具２１から取り外された状態で行われる。   1 to 5 show a state in which the upper jig 23 and the holding jig 24 are attached to the lower jig 21, but in the stage where the seal bodies 10 and 10 are placed on the lower jig 21, the upper jig 23 is shown. And the presser jig 24 is removed from the lower jig 21.

下側冶具２１は、加熱ヒータが取り付けられる加熱ヒータ用挿入孔２１７と押し込みボルト３が螺合する押し込みボルト用ネジ穴２１８とが形成された第１の下側冶具２１４と、熱電対２が取り付けられる熱電対用挿入孔２１５を備え、第１の下側冶具２１４及び上側冶具２３とによりシールリップ部１１、１１を受け入れる為のリップ溝２１１、２１１を形成している第２の下側冶具２１６とより構成されている。そして、この第１の下側冶具２１４及び第２の下側冶具２１６は図示しないボルト手段により一体化されている。   The lower jig 21 is provided with a first lower jig 214 in which a heater insertion hole 217 to which a heater is attached and a push bolt screw hole 218 into which the push bolt 3 is screwed, and a thermocouple 2 is attached. A second lower jig 216 having a lip groove 211, 211 for receiving the seal lip portions 11, 11 with the first lower jig 214 and the upper jig 23. And is made up of. The first lower jig 214 and the second lower jig 216 are integrated by bolt means (not shown).

ついで、図１に示す様に、下側冶具２１の一方の側面２１２側（図上左側）であって、下側冶具２１との間で押え冶具２４によりシール本体１０を挟持する。
この押え冶具２４は、図３から判る様に、シール本体１０のシールリップ部１１、１１を受け入れる為のリップ溝２１１、２１１から外れた、ハウジング側に保持されるシール本体１０の保持部１３を受け入れる為の保持部溝２１９を区画する構成としている。
この押え冶具２４を下側冶具２１側に図示しないボルト手段により固定する事により、紐状シール本体１０、１０の一方のシール本体１０（図上左側）の下側冶具２１上での移動を阻止する。 Next, as shown in FIG. 1, the seal body 10 is sandwiched between the lower jig 21 and the lower jig 21 by the holding jig 24 on the one side 212 side of the lower jig 21.
As can be seen from FIG. 3, the holding jig 24 is provided with a holding portion 13 of the seal body 10 held on the housing side that is detached from the lip grooves 211 and 211 for receiving the seal lip portions 11 and 11 of the seal body 10. The holding portion groove 219 for receiving is configured to be partitioned.
By fixing the presser jig 24 to the lower jig 21 side by a bolt means (not shown), movement of the string-like seal bodies 10 and 10 on the lower jig 21 of one seal body 10 (left side in the figure) is prevented. To do.

ついで、図８に示す様に、下側冶具２１の他方の側面２１３（図上右側）から一定の間隙を保って、下側冶具２１に向かって移動可能に、押し込みボルト３が、押し冶具２２を貫通して、下側冶具２１に形成した押し込みボルト用ネジ穴２１８に螺合している。
この押し込みボルト３を回転させる事により、押し冶具２２を下側冶具２１に向かって移動させる事が出来る為、図９に示す様に、押し冶具２２をシール本体１０に固定した後、
押し冶具２２を下側冶具２１の他方の側面２１３に向かって、紐状シール本体１０、１０の両端部１２、１２が当接するまでシール本体１と共に移動させる事が出来る。
この移動を円滑にする為に、ガイドピン４の一端が下側冶具２１に固定され、他端が押し冶具２２に設けたバカ孔に挿通されて、押し冶具２２の円滑な移動を補助している。
取付段階における、この押し冶具２２と下側冶具２１との間隙は１０ｍｍ程度あり、両端部１２、１２間を接合するのに十分な移動距離を確保している。 Next, as shown in FIG. 8, the push-in bolt 3 is moved from the other side surface 213 (the right side in the figure) of the lower jig 21 so as to be movable toward the lower jig 21 while maintaining a certain gap. And is screwed into a screw hole 218 for a push-in bolt formed in the lower jig 21.
By rotating the push-in bolt 3, the push jig 22 can be moved toward the lower jig 21. As shown in FIG. 9, after fixing the push jig 22 to the seal body 10,
The push jig 22 can be moved together with the seal body 1 toward the other side surface 213 of the lower jig 21 until both end portions 12 and 12 of the string-like seal bodies 10 and 10 come into contact with each other.
In order to make this movement smooth, one end of the guide pin 4 is fixed to the lower jig 21 and the other end is inserted into a flaw hole provided in the push jig 22 to assist the smooth movement of the push jig 22. Yes.
The gap between the pushing jig 22 and the lower jig 21 in the mounting stage is about 10 mm, and a sufficient moving distance is secured to join the end portions 12 and 12 together.

この押し冶具２２は、図６及び図７に示す様に、押し込みボルト３が貫通する押し込みボルト用貫通孔２２１を形成した第１の押し冶具２２２と、第１の押し冶具２２２と共にリップ溝２１１を形成している第２の押し冶具２２３と、押え冶具２４と同様に、シール本体１０のシールリップ部１１を受け入れる為のリップ溝２１１から外れた、ハウジング側に保持されるシール本体１０の保持部１３を受け入れる為の保持部溝２１９を区画する構成を備えた第３の押し冶具２２４とより構成されている。   As shown in FIGS. 6 and 7, the push jig 22 includes a first push jig 222 having a push bolt through hole 221 through which the push bolt 3 passes, and a lip groove 211 together with the first push jig 222. Similar to the formed second pressing jig 223 and the holding jig 24, the holding portion of the seal body 10 held on the housing side that is removed from the lip groove 211 for receiving the sealing lip portion 11 of the sealing body 10. 13 and a third pushing jig 224 having a structure for partitioning the holding portion groove 219 for receiving 13.

この押し冶具２２のシールリップ部１１を除くシール本体１と接する表面は、サンドブラスト等により荒らされた表面となっている。
この事により、押し冶具２２を下側冶具２１に向かって移動させる際、押し冶具２２とシール本体１０との間で滑りが起きない為、紐状シール本体１０、１０の両端部１２、１２を確実に当接させる事が出来る。押し冶具２２の表面を荒らす代わりに、サンドペーパ等の滑り防止手段を押し冶具２２と紐状シール本体１０、１０との間に介在させても有効である。 The surface in contact with the seal body 1 excluding the seal lip portion 11 of the push jig 22 is a surface roughened by sandblasting or the like.
As a result, when the push jig 22 is moved toward the lower jig 21, no slip occurs between the push jig 22 and the seal body 10, so that both ends 12, 12 of the string-like seal bodies 10, 10 are moved. It can be made to contact reliably. Instead of roughening the surface of the pushing jig 22, it is also effective to interpose slip prevention means such as sand paper between the pushing jig 22 and the string-like seal bodies 10, 10.

ついで、図１、図９及び図１０に示す様に、両端部１２、１２が当接した接合箇所１３を含む近傍のシール本体１０全体を覆う様に上側冶具２３を下側冶具２１に固定する。
ついで、下側冶具２１に挿入した加熱ヒータにより冶具２１、２３全体を１５０℃で３０分間加熱する。
また、加熱状態は、下側冶具２１に挿入した熱電対２により確認する。
この事により、接合箇所１３を加熱接着する事が出来る。 Next, as shown in FIGS. 1, 9, and 10, the upper jig 23 is fixed to the lower jig 21 so as to cover the entire seal body 10 in the vicinity including the joint portion 13 where both ends 12, 12 abut. .
Next, the jigs 21 and 23 are heated at 150 ° C. for 30 minutes by a heater inserted in the lower jig 21.
Further, the heating state is confirmed by the thermocouple 2 inserted in the lower jig 21.
By this, the joining location 13 can be heat-bonded.

最後に、接合されたシール本体１を冶具２１、２２、２３から取り出す事により、図１２に示すシール部材１が得られる。
この事により、接合精度が要求されるシールリップ部１１を備えたシール部材１の接合を精度よく達成出来ると共に、風力発電用の大型シール部材１の様に、高所の現場で使用する用途に適している。 Finally, by removing the joined seal body 1 from the jigs 21, 22, and 23, the seal member 1 shown in FIG. 12 is obtained.
As a result, it is possible to accurately achieve the joining of the seal member 1 having the seal lip portion 11 that requires joining accuracy, and to be used at a high place like the large-scale seal member 1 for wind power generation. Is suitable.

この為、各冶具２１、２２、２３の構成部品を一体化する為のボルトが落下しない様に、
各構成部品に設けたネジ穴に螺合させたボルトと相互にワイヤーで連結させておく事により、ボルトの落下を防いでいる。 For this reason, in order not to drop the bolts for integrating the components of each jig 21, 22, 23,
The bolts are prevented from falling by being connected to the bolts screwed into the screw holes provided in the respective components with a wire.

また、ゴム状弾性材製紐状シール本体１０、１０の端部１２、１２に塗布した接着剤は、ポリオレフィン系の接着剤で有るが、他の接着剤も適宜選択して用いられる。   Further, the adhesive applied to the end portions 12 and 12 of the rubber-like elastic material string-like seal bodies 10 and 10 is a polyolefin-based adhesive, but other adhesives are also appropriately selected and used.

本発明の実施態様のシール部材は、図１２に示す様に、シールリップ部１１、１１が、内周側に向かって伸びる２本の対象形状を呈している。
本発明のシール接合方法によれば、この様な複数本のシールリップ部１１、１１を備えたシール部材１であっても、精度良く接合する事が出来る。 As shown in FIG. 12, the seal member of the embodiment of the present invention has two target shapes in which the seal lip portions 11 and 11 extend toward the inner peripheral side.
According to the seal joining method of the present invention, even the seal member 1 having such a plurality of seal lip portions 11, 11 can be joined with high accuracy.

また、押え冶具２４及び押し冶具２２は、シールリップ部１１、１１以外のシール本体１の保持部１３を挟持する構成としている為、シールリップ部１１、１１に変形応力を作用させない為、シールリップ部１１、１１を精度良く接合する事が出来る。   Further, since the holding jig 24 and the pressing jig 22 are configured to sandwich the holding portion 13 of the seal body 1 other than the seal lip portions 11 and 11, the seal lip portions 11 and 11 are not subjected to deformation stress, The parts 11 and 11 can be joined with high accuracy.

更に、下側冶具２１及び上側冶具２３の接合箇所１３近傍のシール本体１と接する表面にフッ素樹脂皮膜を設けている。
この為、冶具への接着剤の付着が防げる為、接合箇所１３の仕上がりが良好で有るばかりでなく、シール部材１を冶具から取り出すのが容易である。 Further, a fluororesin film is provided on the surface of the lower jig 21 and the upper jig 23 in contact with the seal body 1 in the vicinity of the joint portion 13.
For this reason, since the adhesion of the adhesive to the jig can be prevented, not only the finish of the joining portion 13 is good, but also the sealing member 1 can be easily taken out from the jig.

上記接合方法によって得られたシール部材１は接合箇所１３の仕上がりが良好である為、良好なシール性能が長期に渡って維持出来る。
また、高所での作業が余儀なくされる風力発電用の大型シール部材１として特に有用である。 Since the sealing member 1 obtained by the above joining method has a good finish at the joining portion 13, good sealing performance can be maintained over a long period of time.
In addition, it is particularly useful as a large-scale seal member 1 for wind power generation in which work at high places is unavoidable.

また、本発明は、上述の発明を実施するための形態に限らず本発明の要旨を逸脱することなくその他種々の構成を採り得ることはもちろんである。   Further, the present invention is not limited to the embodiment for carrying out the invention described above, and it is needless to say that various other configurations can be adopted without departing from the gist of the present invention.

風力発電等に使用される大型のシール部材の接合部のシール接合方法及びシール部材に好適に用いられる。   It is suitably used for a seal joining method and a seal member of a joint portion of a large seal member used for wind power generation or the like.

１ シール部材
２ 熱電対
３ 押し込みボルト
４ ガイドピン
１０ シール本体
１１ シールリップ部
１２ 端部
１３ 保持部
２１ 下側冶具
２２ 押し冶具
２３ 上側冶具
２４ 押え冶具
２１１リップ溝
２１２一方の側面
２１３他方の側面
２１４第１の下側冶具
２１５熱電対用挿入孔
２１６第２の下側冶具
２１７加熱ヒータ用挿入孔
２１８押し込みボルト用ネジ穴
２１９保持部溝
２２１押し込みボルト用貫通孔
２２２第１の押し冶具
２２３第２の押し冶具
２２４第３の押し冶具
３３ 保持用突起
３４ 傾斜面 DESCRIPTION OF SYMBOLS 1 Seal member 2 Thermocouple 3 Push bolt 4 Guide pin 10 Seal main body 11 Seal lip part 12 End part 13 Holding part 21 Lower jig 22 Push jig 23 Upper jig 24 Press jig 211 Lip side 212 One side 213 The other side 214 First lower jig 215 Thermocouple insertion hole 216 Second lower jig 217 Heater insertion hole 218 Push bolt screw hole 219 Holding portion groove 221 Push bolt through hole 222 First push jig 223 second Pushing jig 224 Third pushing jig 33 Holding projection 34 Inclined surface

Claims (8)

シールリップ部（１１）、（１１）を備えたゴム状弾性材製紐状シール本体（１０）の端部（１２）、（１２）に接着剤を塗布し、前記両端部（１２）、（１２）を近接させた状態で、前記シールリップ部（１１）、（１１）を受け入れるリップ溝（２１１）を形成した下側冶具（２１）上に載置する工程と、前記下側冶具（２１）の一方の側面（２１２）側であって、前記下側冶具（２１）との間で押え冶具（２４）により前記シール本体（１０）を挟持する工程と、前記下側冶具（２１）の他方の側面（２１３）から一定の間隙を保って、前記下側冶具（２１）に向かって移動可能に、押し冶具（２２）を前記シール本体（１０）に固定する工程と、前記押し冶具（２２）を前記下側冶具（２１）の前記他方の側面（２１３）に向かって、前記両端部（１２）、（１２）が当接するまで前記シール本体（１）と共に移動させる工程と、前記両端部（１２）、（１２）が当接した接合箇所（１３）を含む近傍の前記シール本体（１０）全体を覆う様に上側冶具（２３）を前記下側冶具（２１）に固定する工程と、前記冶具（２１）、（２３）を加熱して前記接合箇所（１３）を加熱接着する工程と、前記接合されたシール本体（１）を前記冶具（２１）、（２２）、（２３）から取り出す工程とより成ることを特徴とするシール接合方法。   An adhesive is applied to the end portions (12) and (12) of the rubber-like elastic string-like seal body (10) provided with the seal lip portions (11) and (11), and the both end portions (12) and (12) 12) in a state where the seal lip portions (11) and (11) are close to each other, the step of placing on the lower jig (21) having the lip groove (211) for receiving the seal lip portions (11) and (11), and the lower jig (21 ) One side surface (212) side of the seal body (10) with the presser jig (24) between the lower jig (21) and the lower jig (21) A step of fixing the push jig (22) to the seal body (10) so as to be movable toward the lower jig (21) while maintaining a certain gap from the other side surface (213), and the push jig ( 22) toward the other side surface (213) of the lower jig (21) The step of moving together with the seal main body (1) until the both end portions (12) and (12) abut, and the vicinity including the joint portion (13) where the both end portions (12) and (12) abut. A step of fixing the upper jig (23) to the lower jig (21) so as to cover the entire seal body (10), and heating the jigs (21) and (23) to heat the joining portion (13). A seal joining method comprising a step of adhering and a step of taking out the joined seal body (1) from the jigs (21), (22), and (23). 前記シールリップ部（１１）、（１１）が、内周側に向かって伸びる２本の対象形状を呈していることを特徴とする請求項１記載のシール接合方法。   The seal joining method according to claim 1, wherein the seal lip portions (11) and (11) have two target shapes extending toward the inner peripheral side. 前記押え冶具（２４）は、前記シールリップ部（１１）、（１１）以外の前記シール本体（１）の一部を挟持していることを特徴とする請求項１または２記載のシール接合方法。   The seal joining method according to claim 1 or 2, wherein the holding jig (24) sandwiches a part of the seal body (1) other than the seal lip portions (11), (11). . 前記下側冶具（２１）及び前記上側冶具（２３）の前記接合箇所（１３）近傍の前記シール本体（１）と接する表面にフッ素樹脂皮膜を設けたことを特徴とする請求項１〜３いずれか一項記載のシール接合方法。   A fluororesin film is provided on the surface of the lower jig (21) and the upper jig (23) in contact with the seal main body (1) in the vicinity of the joining location (13). The seal joining method according to claim 1. 前記押し冶具（２２）の前記シール本体（１０）と接する表面に滑り止め手段が施されていることを特徴とする請求項１〜４いずれか一項記載のシール接合方法。   The seal joining method according to any one of claims 1 to 4, wherein an anti-slip means is applied to a surface of the push jig (22) in contact with the seal body (10). 前記下側冶具（２１）、前記上側冶具（２３）及び前記押し冶具（２２）の固定に使用される各々のボルトに落下防止手段が施されていることを特徴とする請求項１〜５いずれか一項記載のシール接合方法。   Any one of Claims 1-5 characterized by the fall prevention means being given to each volt | bolt used for fixation of the said lower jig (21), the said upper jig (23), and the said pushing jig (22). The seal joining method according to claim 1. 請求項１〜６の何れか一項記載の接合方法によって得られた事を特徴とするシール部材。   A sealing member obtained by the joining method according to claim 1. 前記シール部材が風力発電用の大型シール部材（１）であることを特徴とする請求項７記載のシール。   The seal according to claim 7, wherein the seal member is a large-scale seal member (1) for wind power generation.
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