WO2016121426A1 - 長尺部材の製造方法 - Google Patents
長尺部材の製造方法 Download PDFInfo
- Publication number
- WO2016121426A1 WO2016121426A1 PCT/JP2016/050201 JP2016050201W WO2016121426A1 WO 2016121426 A1 WO2016121426 A1 WO 2016121426A1 JP 2016050201 W JP2016050201 W JP 2016050201W WO 2016121426 A1 WO2016121426 A1 WO 2016121426A1
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- WIPO (PCT)
- Prior art keywords
- side wall
- bottom wall
- angle
- manufacturing
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/08—Bending or folding of tubes or other profiled members
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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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/154—Coating solid articles, i.e. non-hollow articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
- B29C48/2883—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules of preformed parts, e.g. inserts, retaining their shape during the extrusion process
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/91—Heating, e.g. for cross linking
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
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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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/08—Bending or folding of tubes or other profiled members
- B29C53/083—Bending or folding of tubes or other profiled members bending longitudinally, i.e. modifying the curvature of the tube axis
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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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/08—Bending or folding of tubes or other profiled members
- B29C53/086—Bending or folding of tubes or other profiled members bending radially, i.e. deformig the cross-section of the tube
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0053—Producing sealings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/06—Sealing strips
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2021/00—Use of unspecified rubbers as moulding material
- B29K2021/003—Thermoplastic elastomers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/16—EPM, i.e. ethylene-propylene copolymers; EPDM, i.e. ethylene-propylene-diene copolymers; EPT, i.e. ethylene-propylene terpolymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
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- 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
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- 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
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
- B29L2031/3014—Door linings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/15—Sealing arrangements characterised by the material
- B60J10/18—Sealing arrangements characterised by the material provided with reinforcements or inserts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/20—Sealing arrangements characterised by the shape
- B60J10/24—Sealing arrangements characterised by the shape having tubular parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/30—Sealing arrangements characterised by the fastening means
- B60J10/32—Sealing arrangements characterised by the fastening means using integral U-shaped retainers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/80—Sealing arrangements specially adapted for opening panels, e.g. doors
- B60J10/84—Sealing arrangements specially adapted for opening panels, e.g. doors arranged on the vehicle body
Definitions
- the present invention relates to a bottom wall, a first side wall and a second side wall standing upright from both ends of the bottom wall, and a metal made to be embedded in these from the bottom wall to the first side wall and the second side wall.
- the angle between the bottom wall and the first side wall is constant throughout the longitudinal direction, while the angle between the bottom wall and the second side wall is partially in the longitudinal direction.
- the present invention relates to a method of manufacturing a long member made of a polymer material that is different and manufactured by extrusion molding.
- Doors, lids, etc. for closing the openings are provided in vehicle body openings such as getting on / off parts of automobiles and trunk rooms, and weather strips are opened to seal gaps between the openings and doors, lids, etc. It is attached to the periphery of the part.
- a flange that reinforces the opening is provided at the periphery of the vehicle body opening.
- the weather strip is a long member made of a polymer material manufactured by extrusion molding, and includes a hollow cylindrical seal portion and a sandwiching portion.
- the clamping part is comprised by the 1st side wall and the 2nd side wall which stand from the both ends of the bottom wall and the bottom wall, and the cross section becomes a substantially U shape.
- the sealing portion is provided on the outer surface of the first side wall which is the vehicle outer side in a state where the weather strip is attached to the flange, and the clamping lip that clamps the flange on the periphery of the vehicle body opening on the inner surface of the first side wall and the second side wall Is provided.
- the weather strip is attached by holding the flange by the holding lip of the holding portion, and the seal portion comes into contact with the door, the lid, etc., and seals the gap between the vehicle body opening and the door, the lid, etc.
- a product having only a sandwiching portion without a seal portion may be attached to the flange.
- the thickness of the flange is different depending on the part of the opening, and it is composed of one metal plate in the thin part, but it is configured such that three or more metal plates are overlapped and spot-welded in the thick part.
- the sandwiching portion of the weather strip has a constant opening width according to the thickness of the thinnest portion of the flange. That is, the angle formed by the bottom wall, the first side wall, and the second side wall in the sandwiching portion was constant over the entire longitudinal direction. This makes it difficult to attach the weather strip to the flange due to the increased load for inserting the flange into the clamping portion at the portion where the flange is thick.
- Japanese Patent Application Laid-Open No. 2000-33840, Japanese Patent Application Laid-Open No. 2-175128, and Japanese Patent Application Laid-Open No. 5-147098 disclose an invention in which the angle formed between the two is partially different in the longitudinal direction.
- an angle formed between the second side wall (side wall on the vehicle interior) and the bottom wall of the weather strip after extrusion molding is determined in the longitudinal direction using a dedicated molding device having a receiving groove in the center.
- the opening width of the clamping portion is changed corresponding to the thickness of the flange.
- the first side wall and the first side wall is expanded outward by driving a wedge-shaped jig between the two side walls.
- JP-A-2-1751208 first, the angle of the first side wall and the second side wall with respect to the bottom wall is extruded from the extruder at an angle larger than the maximum angle of the final finished product (preliminary molding).
- the weatherstrip preform is passed between a pair of rollers with a constant spacing. Accordingly, the first side wall and the second side wall are pressed from the outside by a roller at a predetermined angle, whereby a weather strip corresponding to the thickest portion of the flange in the opening width of the sandwiching portion is obtained.
- a weather strip is further passed between a pair of rollers composed of a movable roller whose rotational shaft can be displaced in and out in the width direction and a fixed roller whose rotational shaft does not displace at a predetermined position, thereby reducing the opening width of the clamping portion.
- a pair of rollers composed of a movable roller whose rotational shaft can be displaced in and out in the width direction and a fixed roller whose rotational shaft does not displace at a predetermined position, thereby reducing the opening width of the clamping portion.
- the thickness of the flange it is partially different in the longitudinal direction. Specifically, in a part corresponding to a part where the thickness of the flange is small, the movable roller is further displaced inward, and the second side wall is further pushed inward, whereby the second side wall of the bottom wall is pressed. The angle is sharp.
- a weatherstrip preform is passed between a pair of rollers including a movable roller whose rotational axis can be displaced inward and outward in the width direction and a fixed roller whose rotational shaft is not displaced at a predetermined position.
- the angle formed between the second side wall and the bottom wall is made partially different in the longitudinal direction by displacing the movable roller in and out according to the thickness of the flange. ing.
- Japanese Patent Laid-Open No. 2000-33840 a dedicated molding device and a wedge-shaped jig are required according to the number of portions having different flange thicknesses. This requires a plurality of molding devices and jigs with different widths of the housing grooves, which not only increases the production cost, but also requires changing the angle of the second side wall for each part. It becomes complicated. For this reason, when there are many parts with different flange thicknesses in the vehicle body opening, it is difficult to use the technique disclosed in Japanese Patent Laid-Open No. 2000-33840.
- the second side wall is pressed from the outside by a movable roller that can be displaced inward and outward in the width direction of the weatherstrip during the weatherstrip extrusion process.
- the angle formed by the bottom wall and the second side wall is partially changed in the longitudinal direction.
- the angle between the first side wall 102 and the bottom wall 101 is set by the fixed roller 112.
- the movable roller 113 is displaced inward and outward while being constant throughout the longitudinal direction, so that the angle of the second side wall 103 is partially varied in the longitudinal direction.
- reference numeral 100 denotes a weather strip clamping portion
- reference numeral 104 denotes a core
- reference numeral 105 denotes a clamping lip.
- an object of the present invention is to manufacture an elongated member such as a weather strip in which the opening width of the sandwiching portion is partially changed by extrusion molding, so that the angle formed by the bottom wall and the second side wall is the thickness of the flange.
- An object of the present invention is to provide a method for manufacturing a long member in which the angle formed between the bottom wall and the first side wall does not change when partially differing depending on the thickness.
- An angle formed between the bottom wall and the first side wall is constant throughout the longitudinal direction, and an angle formed between the bottom wall and the second side wall is partially in the longitudinal direction.
- the entire holding part including the boundary portion between the bottom wall and the second side wall is restricted from moving in the direction of the first side wall.
- the angle of the first side wall is prevented from being changed inadvertently.
- a regulating member can be brought into contact with the inner surface of the boundary portion between the bottom wall and the second side wall or the outer surface of the boundary portion between the bottom wall and the first side wall. . Accordingly, when the angle of the second side wall is partially changed, the holding portion is prevented from moving inadvertently toward the first side wall as a whole, and the first side wall and the second side wall are prevented. The position of the fulcrum for bending is also fixed. In particular, if a regulating member is brought into contact with the inner surface of the boundary portion between the bottom wall and the second side wall, when the angle of the second side wall is formed, the contacting portion with the regulating member is used as a fulcrum. Since the angle of the second side wall is deformed, the angle forming accuracy is improved.
- the first step there is also a fourth step of forming an angle formed by the bottom wall and the first side wall into a final angle.
- the angle of the first side wall is generally constant in the longitudinal direction, and the occurrence of a step is also prevented.
- a second pressing member and a first pressing member that are displaceable inward and outward in the width direction of the long member from the outside of the second side wall and the first side wall, respectively.
- the member presses the second side wall and the first side wall inward.
- the fourth step it is preferable to provide a positioning member for pressing at least a part of the inner surface and the upper end of the first side wall.
- the long member may be extruded while vibrating in the vertical direction or the horizontal direction due to the influence of processing. If this vibration is large, the first pressing member may be disengaged from the position pressing the first side wall, and in the worst case, the first pressing member may not be able to press the first side wall. Therefore, if a positioning member for pressing the inner surface and the upper surface of the first side wall is provided, such a problem can be avoided.
- the first pressing member is displaced inward and outward correspondingly.
- a regulating member is arranged to prevent the entire clamping part from inadvertently moving in and out, the regulating member does not always prevent inadvertent movement, and in the preliminary molding stage Depending on the angle of the second side wall and the like, there is a possibility that the holding part may inadvertently move (position shift) from a predetermined position. Therefore, in such a case, the displacement of the entire holding portion including the bottom wall is allowed by displacing the first pressing member inward and outward according to the displacement of the bottom wall from the predetermined position. be able to. Accordingly, the first side wall and the second side wall can be reliably formed at a predetermined angle.
- the second step and the third step are performed simultaneously, and it is also preferable that the second step to the fourth step are performed simultaneously. Thereby, the manufacturing time of a long member is shortened, and productivity improves.
- the angle formed by the bottom wall and the second side wall is set to the thickness of the flange.
- FIG. 5 is a cross-sectional view showing a state in which the opening width of the clamping portion is increased in the cross section taken along the line VV of FIG.
- FIG. 5 is a cross-sectional view showing a state where the opening width of the clamping portion is reduced in the cross section taken along the line VV of FIG.
- It is sectional drawing of a modification. It is sectional drawing which shows the angle formation which the prior art assumes. It is sectional drawing which shows the angle formation actually produced in a prior art.
- the long member which is the production target of the present invention includes a bottom wall, a first side wall and a second side wall erected from both ends of the bottom wall, and a bottom wall to the first side wall and the second side wall.
- the application is not particularly limited as long as it includes a sandwiching portion having a metal core material embedded in the interior of the housing, and is configured to sandwich and fix a plate-like member to be mounted in the sandwiching portion.
- a weather strip that is attached to the periphery of a vehicle body opening of a vehicle such as an automobile and seals a gap between the opening and a door, a lid, or the like. Therefore, an example in which a weather strip is manufactured as a long member will be described below.
- the basic structure of the weather strip 1 is a known one that has been conventionally used as a sealant for a vehicle body opening. As shown in FIGS. 1 to 3, the bottom wall 11 and both ends of the bottom wall 11 are used.
- a sandwiching portion 10 having a substantially U-shaped cross section constituted by a first side wall 12 and a second side wall 13 erected from above is provided.
- a metal core made of a single plate is provided inside the holding part 10.
- a material 14 is embedded from the first side wall 12 to the second side wall 13.
- a plurality of short clamping lips 15 are integrally formed on the inner surface of the first side wall 12 so as to protrude.
- a single long clamping lip 16 is integrally formed on the inner surface of the second side wall 13. Further, a hollow cylindrical seal portion 17 is provided on the outer surface of the first side wall 12, and a tongue-like decorative lip 18 is integrally formed on the outer surface of the bottom wall 11.
- the weather strip 1 is made of an elastically deformable polymer material such as rubber, thermoplastic resin, or thermoplastic elastomer, except for the core material 14, and is manufactured by extrusion molding.
- the weather strip 1 may be entirely formed of the same material except for the core material 14, or may be formed of partially different polymer materials.
- the sandwiching portion 10 can be made of a thermoplastic elastomer, and the seal portion 17 can be made of foamed rubber.
- a coating layer can also be provided partially.
- the weather strip 1 having the above configuration is attached to the vehicle body by inserting the clamping portion 10 into the flange at the periphery of the vehicle body opening. At this time, since the sandwiching lip 15 and the sandwiching lip 16 are in elastic pressure contact with the flange, the weather strip 1 is securely fixed without dropping off.
- the seal portion 17 is crushed by the door frame, and the vehicle body opening is sealed.
- the first side wall 12 is a side wall on the vehicle outer side
- the second side wall 13 is a side wall on the vehicle inner side.
- the design is improved because the decorative lip 18 is exposed.
- the flange of the opening of the vehicle body has a portion made of one metal plate and a portion where a plurality of metal plates are combined, and the thicknesses thereof are partially different. Therefore, the opening width of the clamping unit 10 (the distance between the upper end of the first side wall 12 and the upper end of the second side wall 13) is partially different in the longitudinal direction according to the thickness of the flange. Specifically, as shown in FIG. 1, a wide portion 2 (see FIG. 2) corresponding to a portion having a large thickness in the flange and a narrow portion 3 (see FIG. 3) corresponding to a portion having a small thickness in the flange. ) Are continuously mixed in the longitudinal direction.
- the opening width of the clamping portion 10 in the weather strip 1 is determined by the angle formed by the first side wall 12 and the second side wall 13 with respect to the bottom wall 11. Therefore, in the present embodiment, the angle of the final finished product formed by the bottom wall 11, the first side wall 12, and the second side wall 13 in the weather strip 1 is changed to a variable bender device (elongated member) shown in FIG. (Bending device) 20.
- the variable bender device 20 includes a base member 21 that supports the lower surface of the weather strip 1, a regulating member 22 that regulates the movement of the weather strip 1 in the width direction in the angle forming step, A positioning member 23 that supports one side wall 12, a pair of fine movement roller 24 and movable roller 25 that press the first side wall 12 and the second side wall 13 from the outside to form these angles, and the fine movement. And a control unit (not shown) for controlling the positions of the roller 24 and the movable roller 25.
- the fine movement roller 24 and the movable roller 25 correspond to the first pressing member and the second pressing member of the present invention, respectively.
- the terms “movable” and “fine movement” are terms that mean that the rotation shafts of the fine movement roller 24 and the movable roller 25 that are not shown can be displaced inward and outward in the width direction of the weather strip 1.
- the base member 21 is fixed to the central portion in the variable bender device 20 with bolts or the like. At the center of the upper surface of the base member 21 in the width direction of the weather strip 1 that is a progressive route, a shape that conforms to the shape of the bottom surface of the bottom wall 11 of the weather strip 1 (precisely the bottom surface of the base end of the decorative lip 18) is placed.
- the portion 21a is provided in a state of being raised from the inlet to the outlet of the variable bender device 20.
- the restricting member 22 is fixed to the side surface of the base member 21 in the vicinity of the entrance of the variable bender device 20, and the boundary portion between the bottom wall 11 and the second side wall 13 of the weather strip 1 wraps around the base member 21. It extends to a position in contact with or close to the inner surface.
- the regulating member 22 has a cross section extending from the vicinity of the entrance of the variable bender device 20 to between the fine movement roller 24 and the movable roller 25. It is a rectangular long member.
- the opposing surface of the restricting member 22 facing the second side wall 13 is recessed at the center in the vertical direction, and the second side wall 13 is not in contact with the entire opposing surface but is in partial contact. ing.
- the weather strip 1 and the regulating member 22 are configured to partially abut, the contact friction between the weather strip 1 and the regulating member 22 is reduced, and the weather strip 1 is smoothly fed forward. Can do.
- a relief step 22 a that avoids contact with the sandwiching lip 16 protruding from the inner surface of the second side wall 13 is formed at the upper edge of the regulating member 22 on the first side wall 12 side.
- the positioning member 23 is also fixed to the side surface of the base member 21 opposite to the regulating member 22 in the vicinity of the entrance of the variable bender device 20, and extends to a position where the first side wall 12 is pressed by the fine movement roller 24. Yes.
- the positioning member 23 is a long member having a cross-sectional saddle shape and is configured to press the upper surface and the upper surface of the inner surface of the first side wall 12. Further, the positioning member 23 is arranged such that when the first side wall 12 comes into contact with the positioning member 23, the angle formed by the first side wall 12 and the bottom wall 11 becomes the final angle in the finished weather strip 1. In the position.
- the base member 21, the regulating member 22, and the positioning member 23 are a single unit, and these members can be replaced as a unit in accordance with weather strips having different cross-sectional shapes. Yes.
- the unit in the variable bender device 20 it is only necessary to replace the unit in the variable bender device 20, so that preparation for production can be performed easily and quickly.
- the fine movement roller 24 is a disk-like member that rotates around a rotation axis that is not shown, and is provided at a height that is located below the positioning member 23 on the lateral side of the first side wall 12 of the base member 21. It has been.
- the movable roller 25 is also a disk-like member that rotates about a rotation axis that is not shown, and the second side wall 13 of the base member 21 faces the fine adjustment roller 24 at the same height on the lateral side. It is provided as follows. The movable roller 25 is positioned above the regulating member 22, and the movable roller 25 comes into contact with the upper outer surface of the second side wall 13 of the weather strip preform.
- the fine movement roller 24 and the movable roller 25 are freely movable in the width direction of the weather strip 1 under the control of a control unit provided in the variable bender device 20.
- the movable roller 25 is provided in order to positively change the angle of the second side wall 13 in the longitudinal direction, and the fine movement roller 24 is provided to make the angle of the first side wall 12 constant. It is thicker than the roller 24.
- a manufacturing method for forming the angles of the first side wall 12 and the second side wall 13 in the weather strip 1 to the final finished product angle using the variable bender device 20 will be described.
- the preform is sequentially supplied from the extrusion molding apparatus (first step). Specifically, a weather strip preform having a core material inside is extruded by supplying a polymer material to the extrusion mold while continuously supplying the core material to the extrusion molding apparatus.
- the weather strip preform formed from the extrusion molding apparatus is heated by a heating apparatus such as a high-frequency heater or a hot air heater to be cured (added).
- the weatherstrip preform is cooled by a cooling device such as a cooling water tank as necessary.
- a cooling device such as a cooling water tank and solidified.
- the weather strip preform is continuously supplied to the variable bender device 20 through an appropriate core material breaking device and roll forming device.
- the opening width of the sandwiching portion in the weather strip preform is set to be larger than the dimension of the thickest flange of the vehicle body opening where the weather strip 1 is mounted.
- the weatherstrip preform formed in the first step is supplied to the variable bender device 20, the weatherstrip preform is moved over the mounting portion 21a of the base member 21 as shown in FIGS. Slide. At this time, since the mounting portion 21a is formed in a shape along the bottom surface shape of the bottom wall 11 (precisely, the base end portion of the decorative lip 18), the slide of the weather strip preform or the weather strip 1 is stabilized. .
- the regulating member 22 faces the boundary portion between the bottom wall 11 and the second side wall 13 of the weather strip preform.
- the regulating member 22 extends from the vicinity of the entrance to the vicinity of the exit (at least between the fine movement roller 24 and the movable roller 25) in the variable bender device 20, and also has a function of stabilizing the slide of the weatherstrip preform.
- the surface of the restricting member 22 that faces the second side wall 13 partially abuts on the boundary between the bottom wall 11 and the second side wall 13, and the lower surface of the restricting member 22 and the bottom wall 11 are in contact with each other. Since they are not in contact with each other, the contact friction between the regulating member 22 and the weather strip preform is reduced, and the weather strip preform is smoothly slid to suppress vibration.
- the first side wall 12 is also slid along the positioning member 23. At this time, since the positioning member 23 faces the inner surface and the upper surface of the first side wall 12, vibrations of the weather strip preform in the vertical direction and the horizontal direction can be suppressed via the first side wall 12.
- the second side wall 13 is bent starting from the boundary portion with the bottom wall 11, but the regulating member 22 is in contact with the boundary portion between the second side wall 13 and the bottom wall 11 (second Process).
- the regulating member 22 prevents the bottom wall 11 of the weather strip preform from moving toward the first side wall 12 side. Is prevented by.
- the first side wall 12 can be prevented from inadvertently changing from a predetermined angle by the pressing force of the movable roller 25.
- part used as the bending start point of the 2nd side wall 13 is hold
- the second side wall 13 and the second side wall 13 are in accordance with the thickness of each part in the flange of the vehicle body opening.
- the angle formed by the bottom wall 11 can be freely set (third step). That is, the opening width of the clamping part 10 in the weather strip 1 can be partially varied in the longitudinal direction. Specifically, in the part corresponding to the part where the thickness of the flange is large, the distance between the fine movement roller 24 and the movable roller 25 is increased as shown in FIG.
- the movable roller 25 is moved inward (on the first side wall 12 side) as shown in FIG. Reduce the distance between. At this time, even if the angle formed between the second side wall 13 and the bottom wall 11 is small (acute angle), the clamping step lip 16 contacts the regulating member 22 because the relief step 22a is provided in the regulating member 22. There is no contact.
- the first side wall 12 is also bent starting from the boundary with the bottom wall 11 and pressed against the positioning member 23.
- the angle formed by the first side wall 12 and the bottom wall 11 becomes the final angle in the finished weather strip 1, and is then guided to the outlet while maintaining a constant angle without changing the angle (fourth). Process).
- the timing, moving direction, and moving distance of the movable roller 25 in the width direction are automatically controlled by the control unit in which the thickness of each part in the flange is stored in advance based on the thickness of each part in the flange.
- the moving speed of the weather strip 1 is detected by the control unit, and the movable roller 25 is controlled to move at a timing that appropriately changes the opening width of the clamping portion 10 corresponding to the thickness of each part of the flange of the vehicle body opening.
- the movement of the movable roller 25 is controlled by sending a signal to hydraulic pressure, an air cylinder, a motor or the like as a moving mechanism.
- the angle formed between the second side wall 13 and the bottom wall 11 is arbitrarily changed according to the thickness of each part in the flange of the vehicle body opening, but the first side wall 12 and the bottom wall 11 form.
- the angle is constant. Therefore, the fine movement roller 24 basically does not move in the width direction.
- the regulating member 22 is provided, for example, if the angle formed between the bottom wall 11 and the second side wall 13 in the weatherstrip preform is large, in some cases, the boundary portion between the second side wall 13 and the bottom wall 11
- the bottom wall 11 may be displaced from the predetermined position to the first side wall 12 side, for example, slipping below the regulating member 22.
- the fine movement roller 24 is moved from the predetermined position to the positioning member 23 side in synchronization with the movable roller 25 when a certain limit position is exceeded or slightly delayed from the movement of the movable roller 25. Move. Thereby, since the 1st side wall 12 and the bottom wall 11 are returned to a predetermined position, the said problem is eliminated.
- the movement distance, movement timing, and the like of fine movement roller 24 are also appropriately controlled by the control unit according to the movement state of bottom wall 11. However, the movement distance of the fine movement roller 24 is set to such an extent that the bottom wall 11 and the first side wall 12 can be returned to their original predetermined positions by the spring back phenomenon of the core member 14.
- the weather strip 1 that has passed through the variable bender device 20 is then cut into a predetermined length by a cutting machine. This completes the production of weather strips with various cross-sectional shapes corresponding to various flange thicknesses.
- the typical embodiment of this invention was described, it is not restricted to this, A various change is possible in the range which does not deviate from the summary of this invention.
- the clamping part 10 comprised by the bottom wall 11, the 1st side wall 12, the 2nd side wall 13, and the core material 14 embed
- What is necessary is just applicable to manufacture of the weather strip which does not have the seal part 17 and the decoration lip
- the regulating member 22 can be provided on the outer surface of the boundary portion between the first side wall 12 and the bottom wall 11 as shown in FIG. 7.
- the restriction member 22 can restrict the boundary portion between the bottom wall 11 and the second side wall 13 from moving in the direction of the first side wall 12.
- the restricting member 22 is provided on the outer surface of the boundary portion between the first side wall 12 and the bottom wall 11 as described above, it is not necessary to provide the relief step portion 22 a in the restricting member 22.
- the restricting member 22 can be formed so as to contact not only the inner surface of the boundary portion between the second side wall 13 and the bottom wall 11 but also the inner surface of the boundary portion of the first side wall 12 and the bottom wall 11. According to this, the angle of the first side wall 12 can also be accurately formed by the regulating member 22.
- the pressing member is not limited to a roller as long as it has low friction that does not damage the surface of the wall when the outer surfaces of the first side wall 12 and the second side wall 13 are pressed.
- Teflon (registered trademark) processing A circular non-rotating metal plate or a bar-like member can be used.
- the roller that presses the first side wall 12 does not necessarily need to move inward and outward in the width direction, and can be a stationary roller.
- the opening width of the clamping part 10 in the weather strip preform does not need to be set larger than the maximum opening width of the clamping part 10 in the weather strip 1 that is a finished product, and can be set to the same opening width. That is, in the first step, the angle formed between the bottom wall 11 and the first side wall 12 and the second side wall 13 in the weatherstrip preform is constant in the longitudinal direction at the same angle as these final maximum angles. It can also be preformed. In this case, the positioning member 23 and the fine movement roller 24 are not necessarily required. However, even in this case, it is preferable to provide the fine movement roller 24 in that the positional deviation of the bottom wall 11 can be corrected.
- the positioning member 23 is provided, there is an advantage that vibration of the weatherstrip preform can be suppressed.
- the angle formed between the bottom wall 11, the first side wall 12 and the second side wall 13 cannot be made smaller than these final maximum angles. In this case, it becomes impossible to form the clamping part 10 corresponding to the thickest part of the flange of the vehicle body opening in the third step.
- the regulating member 22 and the movable roller 25 do not have to be configured to simultaneously contact the weather strip preform, and the regulating member 22 does not contact the weather strip preform at a portion pressed by the movable roller 25. It can also be configured. That is, the second step and the third step in the present invention may not be performed simultaneously. Further, the fine movement roller 24 does not need to be brought into contact with the weather strip preform simultaneously with the regulating member 22 and the movable roller 25. That is, the fourth step in the present invention may not be performed simultaneously with the second step or the third step.
- the cross-sectional shape of the regulating member 22 does not have to be a rectangle, and may be a circle, an ellipse, a triangle, or the like.
- the contact area between the weather strip preform and the weather strip preform can be reduced without providing a recess in the regulating member 22, so that the contact friction between the regulating member 22 and the weather strip preform can be reduced and the second side wall 13 can be reduced.
- the effect of accurately bending can be obtained.
- the base member 21, the regulating member 22, and the positioning member 23 are not necessarily unitized, and each member can be provided independently. Conversely, the regulating member 22 and the positioning member 23 can be integrally formed as one member.
- the opening width of the clamping portion 10 in the finished weather strip 1 has two types of dimensions
- the present invention is not limited to this, and the flange width of the vehicle body opening portion is disclosed.
- the opening width of the sandwiching portion 10 can be set to be different from three or more types corresponding to different portions.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Seal Device For Vehicle (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Claims (8)
- 底壁と、該底壁の両端から立設する第1の側壁及び第2の側壁と、前記底壁から前記第1の側壁及び第2の側壁にかけてこれらの内部に埋設される金属製の芯材とを有する挟持部を備え、前記底壁と前記第1の側壁とがなす角度は長手方向全体で一定であり、前記底壁と前記第2の側壁とがなす角度は長手方向において部分的に異なっており、押出成形により製造されるポリマー材料製の長尺部材の製造方法であって、
前記底壁と前記第1の側壁及び第2の側壁とがなす角度を、これらの最終的な最大角度以上の角度で長手方向において一定に予備形成する第1の工程と、
前記第1の工程後に、前記底壁と前記第2の側壁との境界部分が、前記第1の側壁の方向へ移動することを規制する第2の工程と、
前記底壁と前記第2の側壁とがなす角度を、長手方向において部分的に異ならせながら最終的な角度に形成する第3の工程と、
を有する、長尺部材の製造方法。 - 請求項1に記載の長尺部材の製造方法であって、
前記第2の工程では、前記底壁と前記第2の側壁との境界部分の内面、又は前記底壁と前記第1の側壁との境界部分の外面に規制部材を当接させる、長尺部材の製造方法。 - 請求項1又は請求項2に記載の長尺部材の製造方法であって、
前記第1の工程後に、前記底壁と前記第1の側壁とがなす角度を最終的な角度に形成する第4の工程を有する、長尺部材の製造方法。 - 請求項3に記載の長尺部材の製造方法であって、
前記第3及び前記第4の工程では、前記第2の側壁及び前記第1の側壁の外方から、それぞれ長尺部材の幅方向内外方向へ変位可能な第2の押圧部材及び第1の押圧部材によって前記第2の側壁及び前記第1の側壁を内方へ向けて押圧する、長尺部材の製造方法。 - 請求項3又は請求項4に記載の長尺部材の製造方法であって、
前記第4の工程では、前記第1の側壁の内面及び上端の少なくとも一部を押さえる位置決め部材が配されている、長尺部材の製造方法。 - 請求項4又は請求項5に記載の長尺部材の製造方法であって、
前記第4の工程では、前記底壁が幅方向に位置ズレした場合、これに対応して前記第1の押圧部材が内外方向に変位する、長尺部材の製造方法。 - 請求項1ないし請求項6のいずれか一項に記載の長尺部材の製造方法であって、
前記第2の工程と前記第3の工程が同時に実施される、長尺部材の製造方法。 - 請求項3ないし請求項6のいずれか一項に記載の長尺部材の製造方法であって、
前記第2の工程~前記第4の工程が同時に実施される、長尺部材の製造方法。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201680007493.9A CN107206654B (zh) | 2015-01-27 | 2016-01-06 | 长部件的制造方法 |
| US15/546,587 US10232539B2 (en) | 2015-01-27 | 2016-01-06 | Method for manufacturing long member |
| KR1020177020677A KR101814358B1 (ko) | 2015-01-27 | 2016-01-06 | 긴 부재의 제조 방법 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015013345A JP5932071B1 (ja) | 2015-01-27 | 2015-01-27 | 長尺部材の製造方法 |
| JP2015-013345 | 2015-01-27 |
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| Publication Number | Publication Date |
|---|---|
| WO2016121426A1 true WO2016121426A1 (ja) | 2016-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2016/050201 Ceased WO2016121426A1 (ja) | 2015-01-27 | 2016-01-06 | 長尺部材の製造方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10232539B2 (ja) |
| JP (1) | JP5932071B1 (ja) |
| KR (1) | KR101814358B1 (ja) |
| CN (1) | CN107206654B (ja) |
| WO (1) | WO2016121426A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3299199B1 (de) * | 2016-09-26 | 2019-11-06 | CQLT SaarGummi Technologies S.à.r.l. | Dichtungsstrang zur bildung einer dichtung an einer fahrzeugkarosserie |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6910182B2 (ja) * | 2017-04-11 | 2021-07-28 | 西川ゴム工業株式会社 | 自動車ドア用グラスラン |
| DE102018127519A1 (de) * | 2018-11-05 | 2020-05-07 | Illinois Tool Works Inc. | Befestigungsclip zur Befestigung eines Anbauteils an einer Trägerkante |
| CN110481032B (zh) * | 2019-09-27 | 2024-06-11 | 常州思骁自动化科技有限公司 | 软塑料长条排料焊接机 |
| KR102278678B1 (ko) | 2021-05-31 | 2021-07-15 | 이모란 | 고추장 제조 방법 |
| KR200499481Y1 (ko) * | 2023-12-21 | 2025-08-12 | 이원재 | 자동차 도어용 웨더스트립의 단부커팅기 |
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|---|---|---|---|---|
| JPS5795434A (en) * | 1980-12-04 | 1982-06-14 | Toyoda Gosei Co Ltd | Bending of extrusions with core bar and its device |
| JPS59179222A (ja) * | 1983-03-30 | 1984-10-11 | Toyoda Gosei Co Ltd | トリム用心金 |
| JPH02175128A (ja) * | 1988-08-09 | 1990-07-06 | Draftex Ind Ltd | シール又は装飾用ストリップの製造方法及び装置 |
| JPH05147098A (ja) * | 1991-11-29 | 1993-06-15 | Nishikawa Rubber Co Ltd | 芯金埋込ゴム製品開口幅調整装置 |
| JPH1053076A (ja) * | 1996-08-09 | 1998-02-24 | Toyo Tire & Rubber Co Ltd | 自動車用ウエザストリップの製造方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000033840A (ja) | 1998-07-16 | 2000-02-02 | Toyoda Gosei Co Ltd | 自動車用ウェザストリップ |
-
2015
- 2015-01-27 JP JP2015013345A patent/JP5932071B1/ja active Active
-
2016
- 2016-01-06 CN CN201680007493.9A patent/CN107206654B/zh active Active
- 2016-01-06 KR KR1020177020677A patent/KR101814358B1/ko not_active Expired - Fee Related
- 2016-01-06 WO PCT/JP2016/050201 patent/WO2016121426A1/ja not_active Ceased
- 2016-01-06 US US15/546,587 patent/US10232539B2/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5795434A (en) * | 1980-12-04 | 1982-06-14 | Toyoda Gosei Co Ltd | Bending of extrusions with core bar and its device |
| JPS59179222A (ja) * | 1983-03-30 | 1984-10-11 | Toyoda Gosei Co Ltd | トリム用心金 |
| JPH02175128A (ja) * | 1988-08-09 | 1990-07-06 | Draftex Ind Ltd | シール又は装飾用ストリップの製造方法及び装置 |
| JPH05147098A (ja) * | 1991-11-29 | 1993-06-15 | Nishikawa Rubber Co Ltd | 芯金埋込ゴム製品開口幅調整装置 |
| JPH1053076A (ja) * | 1996-08-09 | 1998-02-24 | Toyo Tire & Rubber Co Ltd | 自動車用ウエザストリップの製造方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3299199B1 (de) * | 2016-09-26 | 2019-11-06 | CQLT SaarGummi Technologies S.à.r.l. | Dichtungsstrang zur bildung einer dichtung an einer fahrzeugkarosserie |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107206654A (zh) | 2017-09-26 |
| US10232539B2 (en) | 2019-03-19 |
| KR101814358B1 (ko) | 2018-01-02 |
| JP2016137618A (ja) | 2016-08-04 |
| KR20170089947A (ko) | 2017-08-04 |
| US20180009149A1 (en) | 2018-01-11 |
| JP5932071B1 (ja) | 2016-06-08 |
| CN107206654B (zh) | 2019-07-05 |
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