WO2012117946A1 - Cutting and welding device, and fuel filter - Google Patents

Cutting and welding device, and fuel filter Download PDF

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Publication number
WO2012117946A1
WO2012117946A1 PCT/JP2012/054467 JP2012054467W WO2012117946A1 WO 2012117946 A1 WO2012117946 A1 WO 2012117946A1 JP 2012054467 W JP2012054467 W JP 2012054467W WO 2012117946 A1 WO2012117946 A1 WO 2012117946A1
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WO
WIPO (PCT)
Prior art keywords
blade
cut
fusing
fuel filter
fuel
Prior art date
Application number
PCT/JP2012/054467
Other languages
French (fr)
Japanese (ja)
Inventor
植木　康志
信之 及川
中島　敏
Original Assignee
株式会社ニフコ
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Filing date
Publication date
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Publication of WO2012117946A1 publication Critical patent/WO2012117946A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • B01D35/027—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks rigidly mounted in or on tanks or reservoirs
    • B01D35/0273—Filtering elements with a horizontal or inclined rotation or symmetry axis submerged in tanks or reservoirs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/111—Making filtering elements
    • 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
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • 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
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/743—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc
    • B29C65/7443—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc by means of ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/133—Fin-type joints, the parts to be joined being flexible
    • 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
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/433—Casing-in, i.e. enclosing an element between two sheets by an outlined seam
    • 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
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/433—Casing-in, i.e. enclosing an element between two sheets by an outlined seam
    • B29C66/4332—Casing-in, i.e. enclosing an element between two sheets by an outlined seam by folding a sheet over
    • 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
    • B29C66/72—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 structure of the material of the parts to be joined
    • B29C66/729—Textile or other fibrous material made from plastics
    • 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
    • B29C66/814—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 design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81425—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being stepped, e.g. comprising a shoulder
    • 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
    • B29C66/814—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 design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81427—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
    • 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
    • B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool 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
    • B29C66/80—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
    • B29C66/814—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 design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81415—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled
    • 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
    • B29L2031/14—Filters
    • 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
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7172—Fuel tanks, jerry cans

Definitions

  • the present invention is a method in which a fabric made of synthetic resin is laminated, and a fabric can be appropriately welded to each other at the cutting location while being cut, and the bag is produced by this method.
  • the present invention relates to a fuel filter.
  • the main problem to be solved by the fusing and welding method according to the present invention is that an object in which synthetic resin fabrics are laminated can be cut while firmly bonding each fabric at the cut end surface. It is in.
  • the main problem to be solved by the fuel filter according to the present invention is to provide a fuel filter having a bag shape that can be appropriately generated from the object by fusing the object.
  • the fusing and welding method is carried out using a horn body and a blade body or a blade-shaped horn as an object in which synthetic resin fabrics are laminated. After being sandwiched between the body and its receiving body, the horn body is caused to generate ultrasonic vibrations that cause melting of the object, so that the object is cut by the blade body at the clamping position and the cutting end face is The dough was welded together.
  • the fusing and welding method is performed by combining a synthetic resin fabric with an object in a laminated state with a blade-like electrode and the object.
  • the fuel filter is formed by a cutting portion applied by the fusing and welding method to an object in which a synthetic resin material that allows fuel to permeate is laminated.
  • the object is formed into a bag shape having an internal space communicating with the fuel pump by the cut portion and the portion where the object is folded in half.
  • each dough is cut at the cutting end surface by the blade body or the blade-shaped horn body, and according to the welding and fusing method according to the second aspect, by the blade-shaped electrode. It can cut
  • FIG. 1 is a configuration diagram showing an implementation state of the fusing and welding method, and shows a state immediately before the object is sandwiched between the horn body and the blade body.
  • FIG. 2 shows a state in which the object is sandwiched between the horn body and the blade body from the state of FIG. 1 and the object is cut at the sandwiched position, and the cut end surface is welded.
  • FIG. 3 is a configuration diagram showing an implementation state of the fusing and welding method, and shows a state immediately before the object is sandwiched between the blade-shaped horn body and its receiving body.
  • FIG. 4 is a configuration diagram showing an implementation state of the fusing and welding method, and shows a state immediately before the object is sandwiched between the blade-shaped electrode and the electrode paired therewith.
  • FIG. 5 is a cross-sectional configuration diagram of the fuel filter.
  • FIG. 6 is a cross-sectional configuration diagram of another fuel filter in which a part of the configuration is different from that of the fuel filter of FIG.
  • the fabric M made of synthetic resin can be laminated, and the fabrics can be appropriately welded together at the cut location while cutting the object M.
  • the fuel filter 1 according to this embodiment is produced in a bag shape by such a welding fusing method.
  • the synthetic resin fabric is typically made of a thermoplastic synthetic resin or a sheet-like or mat-like material mainly composed of this thermoplastic synthetic resin.
  • an object M in which the dough is laminated is placed between the horn body H and the blade body E, and is sandwiched by both.
  • the blade body E is configured such that the blade edge serves as a receiving portion of the horn body H.
  • the blade body E is formed in a circular shape, for example, having a circular cross section in a direction perpendicular to the clamping direction, and thus the blade edge is provided in a circular shape.
  • H also has a corresponding ring shape.
  • ultrasonic vibration that causes melting of the object M is generated in the horn body H, and the cutting of the object M by the blade body E and welding of the doughs at the cut end faces are performed at the holding position P.
  • the horn body H is connected to a fixed vibrator constituting a known ultrasonic welding apparatus.
  • the object M is instantaneously melted at the clamping position P. Since the receiving portion of the horn body H is the blade body E, at the same time, the object M is cut by the blade body E, and at the same time, the fabrics constituting the object M are welded to each other at the cut end face. .
  • the laminated fabrics are welded to each other at the cut end face without deviation from the horn body H side to the blade body E side by ultrasonic vibration. Therefore, according to the welding fusing method, even if the object M is formed by laminating a large number of the doughs, the welded state of each dough on the cut end surface can be strengthened. In addition, when welding and cutting are performed separately in that order, a relatively large welding allowance must be secured so that cutting within the welding range can be performed appropriately. Since cutting and welding with respect to the object M can be performed at the same time, the width of the welding allowance of the cutting portion of the object M can be minimized.
  • the cutting and welding by the ultrasonic vibration can be performed by forming the horn body H into a blade shape and sandwiching the object M between the blade edge of the horn body H and the receiving body J of the horn body H. Is possible. ( Figure 3)
  • FIG. 5 shows an example of a fuel filter 1 having a bag shape generated from the object M by the welding fusing method described above.
  • the fuel filter 1 has a flat bag shape with wide upper and lower surfaces, typically the bottom surface 2a of the fuel tank 2 is in contact with the lower surface, and the bag internal space 1a is connected to the fuel pump. Used in the fuel tank 2 so as to communicate with the side 2b.
  • Such a fuel filter 1 is produced by using the above-mentioned welding fusing method for an object M in which a synthetic resin material that allows fuel to permeate is laminated.
  • Such fabrics are expected to have a mesh shape and a non-woven fabric shape.
  • the fuel filter 1 has an in-bag space 1a in which the object M is communicated with a fuel pump by a cutting portion 1b applied to the object M by the fusing and welding method. It has a bag shape.
  • the object M constituting the upper surface of the fuel filter 1 formed by laminating two or more of the fabrics, and the bottom of the fuel filter 1 formed by laminating two or more of the fabrics.
  • the upper and lower objects M are provided with a cutting portion 1b having a circular shape following the outer shape of the fuel filter 1 to be generated.
  • the upper and lower objects M are welded by the cutting portion 1b to form the fuel filter 1 having a flat bag shape.
  • a space forming member 1c sandwiched between the upper and lower objects M prior to the formation of the cutting portion 1b is housed.
  • a through hole 1d is formed in the object M constituting the upper surface of the fuel filter 1 in advance, and the fuel filter 1 is a fuel through a connecting pipe portion 1e attached to the fuel filter 1 through the through hole 1d.
  • the in-bag space 1a is communicated with the pump side 2b.
  • a constant interval is always formed between the upper and lower surfaces of the fuel filter 1 by the interval forming member 1c, so that the entire fuel filter 1 functions effectively for fuel filtration.
  • FIG. 6 shows that the fuel filter 1 is made up of a cut portion 1b applied to the object M by the fusing and welding method and a portion 1f obtained by folding the object M in half.
  • a bag shape having a bag inner space 1a communicated with a fuel pump is formed.
  • the cut portion 1b is applied to the object M folded in half so as to be a part of the outer shape of the filter 1 for fuel, following the outer shape of the filter 1 for fuel to be generated.
  • the object M folded in half becomes a fuel filter 1 having a flat bag shape by welding a portion other than the portion folded by the cutting portion 1b.
  • the fuel filter 1 can minimize the width of the welding allowance 1g of the cutting portion 1b, the fuel filter 1 has an advantage that the area effectively functioning for fuel filtration, that is, the effective filtration area can be maximized. Further, the cut portions 1b formed so as to surround the gap forming member 1c, that is, the respective fabrics laminated on the cut end face are firmly welded without being affected by the gap forming member 1c.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Textile Engineering (AREA)
  • Filtering Materials (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Filtration Of Liquid (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

After sandwiching an object, formed by laminating pieces of fabric made of synthetic resin, between a horn and a blade, ultrasonic vibrations that cause the object to melt on the horn are generated, and, in the sandwiched position, the object is cut by the blade and the pieces of fabric are welded at the edge that was cut.

Description

溶断溶着方法、及び燃料用フィルタFusing and welding method and fuel filter
　この発明は、合成樹脂製の生地を積層状態にしてなる対象物を、切断しながらその切断箇所において各生地同士を適切に溶着させ合わせ得る方法、及び、この方法によって袋状に生成されてなる燃料用フィルタに関する。 The present invention is a method in which a fabric made of synthetic resin is laminated, and a fabric can be appropriately welded to each other at the cutting location while being cut, and the bag is produced by this method. The present invention relates to a fuel filter.
　熱可塑性合成樹脂を主体とした生地を積層状態にした状態から、これに刃物を押しつけると共に、この刃物の周囲のコイルに高周波電流を流して、かかる積層された生地をこの刃物の押しつけ位置で切断すると共に溶着させ合わせる手法として、特許文献１に示されるものがある。（高周波誘導加熱） From the state in which the fabric mainly composed of thermoplastic synthetic resin is in a laminated state, the blade is pressed against it and a high-frequency current is passed through the coil around the blade to cut the laminated fabric at the position where the blade is pressed. A technique disclosed in Japanese Patent Application Laid-Open No. H10-228707 is known as a technique for performing welding together. (High frequency induction heating)
　しかしながら、かかる手法にあっては、刃物の受け治具側を高温にし難いため、前記生地の積層枚数が多くなるとこの受け治具側において各生地同士をその切断端面において適切に溶着させ難い。 However, in such a method, it is difficult to heat the receiving jig side of the cutter to a high temperature. Therefore, when the number of the stacked fabrics increases, it is difficult to appropriately weld the respective cloths on the cut end surface on the receiving jig side.
登録実用新案第３０１８１３８号公報Registered Utility Model No. 3018138
　この発明にかかる溶断溶着方法が解決しようとする主たる問題点は、合成樹脂製の生地を積層状態にしてなる対象物を、切断端面で各生地同士を強固に溶着させながら切断できるようにする点にある。また、この発明にかかる燃料用フィルタが解決しようとする主たる問題点は、前記対象物に対する溶断によってこの対象物から適切に生成可能な袋状をなす燃料用フィルタを提供する点にある。 The main problem to be solved by the fusing and welding method according to the present invention is that an object in which synthetic resin fabrics are laminated can be cut while firmly bonding each fabric at the cut end surface. It is in. The main problem to be solved by the fuel filter according to the present invention is to provide a fuel filter having a bag shape that can be appropriately generated from the object by fusing the object.
　前記課題を達成するため、この発明にあっては、第一の観点から、溶断溶着方法を、合成樹脂製の生地を積層状態にしてなる対象物を、ホーン体と刃体又は刃状のホーン体とその受け体との間に挟持した後、このホーン体に前記対象物の溶融をもたらす超音波振動を生じさせて前記挟持位置において前記刃体による対象物の切断とこの切断端面での前記生地同士の溶着とをなすものとした。また、前記課題を達成するため、この発明にあっては、第二の観点から、溶断溶着方法を、合成樹脂製の生地を積層状態にしてなる対象物を、刃状の電極とこれと対をなす電極との間に挟持した後、この挟持位置において両電極間に対象物の溶融をもたらす電界を生じさせて対象物の切断とこの切断端面での前記生地同士の溶着とをなすものとした。また、この発明にあっては、燃料用フィルタを、燃料を透過させる合成樹脂製の生地を積層状態にしてなる対象物に対して、前記溶断溶着方法によって施される切断部によって、又は、この切断部とこの対象物を二つ折りにした箇所とによって、この対象物を燃料ポンプに連通される内部空間を持った袋状にしてなるものとした。 In order to achieve the above object, according to the present invention, from the first viewpoint, the fusing and welding method is carried out using a horn body and a blade body or a blade-shaped horn as an object in which synthetic resin fabrics are laminated. After being sandwiched between the body and its receiving body, the horn body is caused to generate ultrasonic vibrations that cause melting of the object, so that the object is cut by the blade body at the clamping position and the cutting end face is The dough was welded together. In order to achieve the above object, according to the present invention, from the second viewpoint, the fusing and welding method is performed by combining a synthetic resin fabric with an object in a laminated state with a blade-like electrode and the object. After being sandwiched between the two electrodes, an electric field that causes melting of the target object is generated between the two electrodes at the sandwiched position, thereby cutting the target object and welding the doughs on the cut end faces. did. Further, in the present invention, the fuel filter is formed by a cutting portion applied by the fusing and welding method to an object in which a synthetic resin material that allows fuel to permeate is laminated. The object is formed into a bag shape having an internal space communicating with the fuel pump by the cut portion and the portion where the object is folded in half.
　前記第一の観点にかかる溶断溶着方法によれば、刃体又は刃状のホーン体により、また、第二の観点にかかる溶着溶断方法によれば、刃状の電極により、切断端面で各生地同士を強固に溶着させながら切断することができる。したがって、前記対象物に対して生成すべき袋状の燃料用フィルタの外郭に倣った切断部を前記方法によって施すことにより、かかる燃料用フィルタを適切に構成することができる。 According to the fusing and welding method according to the first aspect, each dough is cut at the cutting end surface by the blade body or the blade-shaped horn body, and according to the welding and fusing method according to the second aspect, by the blade-shaped electrode. It can cut | disconnect, welding each other firmly. Therefore, the fuel filter can be appropriately configured by applying the cutting portion that follows the outline of the bag-shaped fuel filter to be generated to the object by the above method.
図１は溶断溶着方法の実施状態を示した構成図であり、対象物をホーン体と刃体とで挟持する直前の状態を示している。FIG. 1 is a configuration diagram showing an implementation state of the fusing and welding method, and shows a state immediately before the object is sandwiched between the horn body and the blade body. 図２は図１の状態から対象物をホーン体と刃体で挟持して挟持位置において対象物を切断すると共に、切断端面に溶着を施した状態を示している。FIG. 2 shows a state in which the object is sandwiched between the horn body and the blade body from the state of FIG. 1 and the object is cut at the sandwiched position, and the cut end surface is welded. 図３は溶断溶着方法の実施状態を示した構成図であり、対象物を刃状のホーン体とその受け体とで挟持する直前の状態を示している。FIG. 3 is a configuration diagram showing an implementation state of the fusing and welding method, and shows a state immediately before the object is sandwiched between the blade-shaped horn body and its receiving body. 図４は溶断溶着方法の実施状態を示した構成図であり、対象物を刃状の電極とこれと対をなす電極とで挟持する直前の状態を示している。FIG. 4 is a configuration diagram showing an implementation state of the fusing and welding method, and shows a state immediately before the object is sandwiched between the blade-shaped electrode and the electrode paired therewith. 図５は燃料用フィルタの断面構成図である。FIG. 5 is a cross-sectional configuration diagram of the fuel filter. 図６は図５の燃料用フィルタと構成の一部を異ならせる他の燃料用フィルタの断面構成図である。FIG. 6 is a cross-sectional configuration diagram of another fuel filter in which a part of the configuration is different from that of the fuel filter of FIG.
　以下、図１～図６に基づいて、この発明の典型的な実施の形態について、説明する。この実施の形態にかかる溶断溶着方法は、合成樹脂製の生地を積層状態にしてなる対象物Ｍを、切断しながらその切断箇所において各生地同士を適切に溶着させ合わせ得るものである。また、この実施の形態にかかる燃料用フィルタ１はかかる溶着溶断方法によって袋状に生成されてなるものである。 Hereinafter, a typical embodiment of the present invention will be described with reference to FIGS. In the fusing and welding method according to this embodiment, the fabric M made of synthetic resin can be laminated, and the fabrics can be appropriately welded together at the cut location while cutting the object M. Further, the fuel filter 1 according to this embodiment is produced in a bag shape by such a welding fusing method.
　合成樹脂製の生地としては、典型的には、熱可塑性合成樹脂よりなるか、この熱可塑性合成樹脂を主体として、シート状ないしはマット状をなすものが予定される。 The synthetic resin fabric is typically made of a thermoplastic synthetic resin or a sheet-like or mat-like material mainly composed of this thermoplastic synthetic resin.
　先ず、かかる生地を積層状態にしてなる対象物Ｍを、ホーン体Ｈと刃体Ｅとの間に配置し、両者によって挟持する。（図１及び図２）刃体Ｅは、刃先をホーン体Ｈの受け部とするように構成される。対象物Ｍに周回状をなす切断を施す場合には、刃体Ｅは前記挟持方向に直交する向きの断面を周回状にして従って前記刃先を周回状に備えた例えばリング状をなし、ホーン体Ｈもこれに対応したリング状をなす。 First, an object M in which the dough is laminated is placed between the horn body H and the blade body E, and is sandwiched by both. (FIGS. 1 and 2) The blade body E is configured such that the blade edge serves as a receiving portion of the horn body H. When cutting the object M in a circular shape, the blade body E is formed in a circular shape, for example, having a circular cross section in a direction perpendicular to the clamping direction, and thus the blade edge is provided in a circular shape. H also has a corresponding ring shape.
　次いで、ホーン体Ｈに前記対象物Ｍの溶融をもたらす超音波振動を生じさせて前記挟持位置Ｐにおいて前記刃体Ｅによる対象物Ｍの切断とこの切断端面での前記生地同士の溶着とをなす。ホーン体Ｈは公知の超音波溶着装置を構成する固定振動子に接続される。ホーン体Ｈに前記超音波振動が生じると前記挟持位置Ｐにおいて対象物Ｍは瞬間的に溶融する。かかるホーン体Ｈの受け部は刃体Ｅであるので、これと同時に、かかる刃体Ｅにより対象物Ｍは切断され、それと共に、切断端面において対象物Ｍを構成する生地同士の溶着がなされる。積層された生地同士は、超音波振動により、ホーン体Ｈの側から刃体Ｅの側に亘って偏頗なく切断端面において溶着され合う。したがって、かかる溶着溶断方法によれば、前記対象物Ｍが多数枚の前記生地を積層させてなるものであっても、その切断端面における各生地の溶着状態を強固なものとすることができる。また、溶着と切断とを別個にその順で行う場合には溶着範囲内での切断を適切に行えるように溶着代を比較的大きく確保せざるを得ないところ、かかる溶着溶断方法によれば対象物Ｍに対する切断と溶着とを同時になすことができることから、対象物Ｍの切断部の溶着代の幅を最小化することができる。 Next, ultrasonic vibration that causes melting of the object M is generated in the horn body H, and the cutting of the object M by the blade body E and welding of the doughs at the cut end faces are performed at the holding position P. . The horn body H is connected to a fixed vibrator constituting a known ultrasonic welding apparatus. When the ultrasonic vibration is generated in the horn body H, the object M is instantaneously melted at the clamping position P. Since the receiving portion of the horn body H is the blade body E, at the same time, the object M is cut by the blade body E, and at the same time, the fabrics constituting the object M are welded to each other at the cut end face. . The laminated fabrics are welded to each other at the cut end face without deviation from the horn body H side to the blade body E side by ultrasonic vibration. Therefore, according to the welding fusing method, even if the object M is formed by laminating a large number of the doughs, the welded state of each dough on the cut end surface can be strengthened. In addition, when welding and cutting are performed separately in that order, a relatively large welding allowance must be secured so that cutting within the welding range can be performed appropriately. Since cutting and welding with respect to the object M can be performed at the same time, the width of the welding allowance of the cutting portion of the object M can be minimized.
　前記超音波振動による切断と溶着は、ホーン体Ｈを刃状に構成し、このホーン体Ｈの刃先とこのホーン体Ｈの受け体Ｊとの間に前記対象物Ｍを挟持することによっても、可能である。（図３） The cutting and welding by the ultrasonic vibration can be performed by forming the horn body H into a blade shape and sandwiching the object M between the blade edge of the horn body H and the receiving body J of the horn body H. Is possible. (Figure 3)
　また、前記のような切断と溶着は、対象物を刃状の電極Ａとこれと対をなす電極Ａ’との間に挟持した後、この挟持位置において両電極Ａ、Ａ’間に対象物Ｍの溶融をもたらす電界を生じさせることによっても、可能である。（高周波誘電加熱／図４） Further, in the cutting and welding as described above, after the object is sandwiched between the blade-shaped electrode A and the electrode A ′ paired therewith, the object is sandwiched between the electrodes A and A ′ at the sandwiching position. It is also possible to generate an electric field that leads to melting of M. (High-frequency dielectric heating / Fig. 4)
　図５は、以上に説明した溶着溶断方法によって、前記対象物Ｍから生成される袋状をなす燃料用フィルタ１の一例を示している。かかる燃料用フィルタ１は、幅広の上下両面を備えた扁平の袋状を呈し、典型的には燃料タンク２の底部２ａにその下側の面を接しさせると共に、その袋内空間１ａを燃料ポンプ側２ｂに連通させるように燃料タンク２内に配されて用いられる。かかる燃料用フィルタ１は燃料を透過させる合成樹脂製の生地を積層状態にしてなる対象物Ｍに対し、前記溶着溶断方法を用いて生成される。かかる生地としては、メッシュ状をなすもの及び不織布状をなすものが予定される。 FIG. 5 shows an example of a fuel filter 1 having a bag shape generated from the object M by the welding fusing method described above. The fuel filter 1 has a flat bag shape with wide upper and lower surfaces, typically the bottom surface 2a of the fuel tank 2 is in contact with the lower surface, and the bag internal space 1a is connected to the fuel pump. Used in the fuel tank 2 so as to communicate with the side 2b. Such a fuel filter 1 is produced by using the above-mentioned welding fusing method for an object M in which a synthetic resin material that allows fuel to permeate is laminated. Such fabrics are expected to have a mesh shape and a non-woven fabric shape.
　より具体的には、かかる燃料用フィルタ１は、前記対象物Ｍに対して、前記溶断溶着方法によって施される切断部１ｂによって、この対象物Ｍを燃料ポンプに連通される袋内空間１ａを持った袋状にしてなる。典型的には、前記生地の二枚以上を積層させてなる燃料用フィルタ１の上側の面を構成する対象物Ｍと、同じく前記生地の二枚以上を積層させてなる燃料用フィルタ１の下側の面を構成する対象物Ｍとを、上下に重ね合わせた状態で、生成すべき燃料用フィルタ１の外郭形状に倣った周回状をなす切断部１ｂをかかる上下の対象物Ｍに施す。上下の対象物Ｍは切断部１ｂによって溶着され扁平な袋状をなす燃料用フィルタ１となる。燃料用フィルタ１内には、かかる切断部１ｂの形成に先立って上下の対象物Ｍ間に挟み入れた間隔形成部材１ｃが収められる。燃料用フィルタ１の上側の面を構成する対象物Ｍには貫通孔１ｄが予め形成され、この貫通孔１ｄを通じて燃料用フィルタ１に取り付けられた接続管部１ｅを介して燃料用フィルタ１は燃料ポンプ側２ｂにその袋内空間１ａを連通させる。燃料用フィルタ１の上下両面間には、前記間隔形成部材１ｃにより、常時一定の間隔が形成され、燃料用フィルタ１の全体が燃料の濾過に有効に機能するようになっている。 More specifically, the fuel filter 1 has an in-bag space 1a in which the object M is communicated with a fuel pump by a cutting portion 1b applied to the object M by the fusing and welding method. It has a bag shape. Typically, the object M constituting the upper surface of the fuel filter 1 formed by laminating two or more of the fabrics, and the bottom of the fuel filter 1 formed by laminating two or more of the fabrics. In a state where the object M constituting the side surface is superposed vertically, the upper and lower objects M are provided with a cutting portion 1b having a circular shape following the outer shape of the fuel filter 1 to be generated. The upper and lower objects M are welded by the cutting portion 1b to form the fuel filter 1 having a flat bag shape. In the fuel filter 1, a space forming member 1c sandwiched between the upper and lower objects M prior to the formation of the cutting portion 1b is housed. A through hole 1d is formed in the object M constituting the upper surface of the fuel filter 1 in advance, and the fuel filter 1 is a fuel through a connecting pipe portion 1e attached to the fuel filter 1 through the through hole 1d. The in-bag space 1a is communicated with the pump side 2b. A constant interval is always formed between the upper and lower surfaces of the fuel filter 1 by the interval forming member 1c, so that the entire fuel filter 1 functions effectively for fuel filtration.
　図６は、かかる燃料用フィルタ１を、前記対象物Ｍに対して、前記溶断溶着方法によって施される切断部１ｂとこの対象物Ｍを二つ折りにした箇所１ｆとによって、この対象物Ｍを燃料ポンプに連通される袋内空間１ａを持った袋状にして構成させた例を示している。典型的には、前記生地の二枚以上を積層させてなる対象物Ｍを燃料用フィルタ１の内側となる面が向き合うように二つ折りにした状態で、この折った箇所１ｆが生成される燃料用フィルタ１の外郭の一部となるようにかかる二つ折りにした対象物Ｍに生成すべき燃料用フィルタ１の外郭形状に倣った切断部１ｂを施す。二つ折りにした対象物Ｍは切断部１ｂによって折った箇所以外の箇所を溶着され扁平な袋状をなす燃料用フィルタ１となる。 FIG. 6 shows that the fuel filter 1 is made up of a cut portion 1b applied to the object M by the fusing and welding method and a portion 1f obtained by folding the object M in half. An example is shown in which a bag shape having a bag inner space 1a communicated with a fuel pump is formed. Typically, the fuel M in which the folded portion 1f is generated in a state where the object M formed by stacking two or more pieces of the dough is folded in two so that the inner surface of the fuel filter 1 faces. The cut portion 1b is applied to the object M folded in half so as to be a part of the outer shape of the filter 1 for fuel, following the outer shape of the filter 1 for fuel to be generated. The object M folded in half becomes a fuel filter 1 having a flat bag shape by welding a portion other than the portion folded by the cutting portion 1b.
　かかる燃料用フィルタ１は、前記切断部１ｂの溶着代１ｇの幅を最小化し得ることから、燃料の濾過に有効に機能する面積、つまり、有効濾過面積を最大化し得る特長を有している。また、前記間隔形成部材１ｃを囲むようにして形成された切断部１ｂ、つまり、前記切断端面において積層された各生地は、間隔形成部材１ｃに影響されることなく強固に溶着される。
　２０１１年３月１日に出願された日本特許出願第２０１１－０４３６７７号の明細書、特許請求の範囲、図面及び要約書の全内容をここに引用し、本発明の明細書の開示として、取り入れるものである。 Since the fuel filter 1 can minimize the width of the welding allowance 1g of the cutting portion 1b, the fuel filter 1 has an advantage that the area effectively functioning for fuel filtration, that is, the effective filtration area can be maximized. Further, the cut portions 1b formed so as to surround the gap forming member 1c, that is, the respective fabrics laminated on the cut end face are firmly welded without being affected by the gap forming member 1c.
The entire contents of the specification, claims, drawings, and abstract of Japanese Patent Application No. 2011-043677 filed on March 1, 2011 are incorporated herein as the disclosure of the specification of the present invention. Is.

Claims (3)

  1. 　合成樹脂製の生地を積層状態にしてなる対象物を、ホーン体と刃体又は刃状のホーン体とその受け体との間に挟持した後、このホーン体に前記対象物の溶融をもたらす超音波振動を生じさせて前記挟持位置において前記刃体による対象物の切断とこの切断端面での前記生地同士の溶着とをなすようにしたことを特徴とする溶断溶着方法。 After sandwiching an object made of a synthetic resin fabric in a laminated state between a horn body and a blade body or a blade-shaped horn body and its receiving body, the super object that causes the object to melt into the horn body A fusing and welding method characterized in that sound wave vibration is generated so that the object is cut by the blade body and the dough is welded to each other at the cut end face at the clamping position.
  2. 　合成樹脂製の生地を積層状態にしてなる対象物を、刃状の電極とこれと対をなす電極との間に挟持した後、この挟持位置において両電極間に対象物の溶融をもたらす電界を生じさせて対象物の切断とこの切断端面での前記生地同士の溶着とをなすようにしたことを特徴とする溶断溶着方法。 After sandwiching an object made of synthetic resin fabric in a laminated state between a blade-like electrode and a pair of electrodes, an electric field that causes melting of the object between the two electrodes is held at this sandwiching position. A fusing and welding method characterized in that the fusing is performed to cut the object and weld the doughs at the cut end faces.
  3. 　燃料を透過させる合成樹脂製の生地を積層状態にしてなる対象物に対して、請求項１又は請求項２に記載の溶断溶着方法によって施される切断部によって、又は、この切断部とこの対象物を二つ折りにした箇所とによって、この対象物を燃料ポンプに連通される内部空間を持った袋状にしてなる燃料用フィルタ。 A cut portion applied by the fusing and welding method according to claim 1, or the cut portion and the target, with respect to an object in which a synthetic resin material that allows fuel to permeate is laminated. A fuel filter having a bag-like shape having an internal space where the object communicates with the fuel pump, depending on the location where the object is folded in half.
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