WO2010026754A1 - Dispositif d'enroulement en spirale de materiau en bande - Google Patents

Dispositif d'enroulement en spirale de materiau en bande Download PDF

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Publication number
WO2010026754A1
WO2010026754A1 PCT/JP2009/004332 JP2009004332W WO2010026754A1 WO 2010026754 A1 WO2010026754 A1 WO 2010026754A1 JP 2009004332 W JP2009004332 W JP 2009004332W WO 2010026754 A1 WO2010026754 A1 WO 2010026754A1
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WO
WIPO (PCT)
Prior art keywords
strip material
mandrel
drum
curl
spiral
Prior art date
Application number
PCT/JP2009/004332
Other languages
English (en)
Japanese (ja)
Inventor
浜地容佑
長瀬友吾
鳥海修一
小野寺彰
Original Assignee
横浜ゴム株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP2008227211A external-priority patent/JP4442707B2/ja
Priority claimed from JP2008226821A external-priority patent/JP4442706B2/ja
Application filed by 横浜ゴム株式会社 filed Critical 横浜ゴム株式会社
Publication of WO2010026754A1 publication Critical patent/WO2010026754A1/fr

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Classifications

    • 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
    • B29C53/56—Winding and joining, e.g. winding spirally
    • B29C53/58—Winding and joining, e.g. winding spirally helically
    • B29C53/581—Winding and joining, e.g. winding spirally helically using sheets or strips consisting principally of plastics material
    • B29C53/582—Winding and joining, e.g. winding spirally helically using sheets or strips consisting principally of plastics material comprising reinforcements, e.g. wires, threads
    • 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
    • B29C53/56—Winding and joining, e.g. winding spirally
    • B29C53/58—Winding and joining, e.g. winding spirally helically
    • B29C53/60—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels
    • B29C53/62—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels rotatable about the winding axis
    • B29C53/66—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels rotatable about the winding axis with axially movable winding feed member, e.g. lathe type winding
    • 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
    • B29D23/00—Producing tubular articles
    • B29D23/001—Pipes; Pipe joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
    • F16L11/081—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more layers of a helically wound cord or wire
    • F16L11/083—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more layers of a helically wound cord or wire three or more layers
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • 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
    • B29K2305/00—Use of metals, their alloys or their compounds, as reinforcement
    • B29K2305/08—Transition metals
    • B29K2305/12—Iron
    • 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
    • B29L2009/00—Layered products
    • B29L2009/003—Layered products comprising a metal layer
    • 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
    • B29L2023/00—Tubular articles
    • B29L2023/005—Hoses, i.e. flexible
    • B29L2023/006—Flexible liners

Definitions

  • the present invention relates to a strip material spiral winding device, which is suitable for manufacturing a rubber hose reinforced with a plurality of steel cords arranged in a spiral shape, for example. It can be used.
  • a rubber hose reinforced with a plurality of reinforcing cords (for example, steel cords) arranged in a spiral shape on the tube wall of the hose is used for distributing high-pressure hydraulic oil in a hydraulic system, for example.
  • Reinforcing cords arranged spirally on the tube wall of this type of rubber hose are flexible and have high tensile rigidity, thereby at least partially enhancing the flexibility of the rubber hose. While maintaining, the rubber hose functions as a reinforcing member that prevents the rubber hose from being excessively deformed by being expanded or stretched by high pressure inside.
  • a manufacturing apparatus for manufacturing this type of rubber hose is a manufacturing apparatus disclosed in Japanese Patent Laid-Open No. 10-44214.
  • a rubber hose manufactured by the manufacturing apparatus of the same publication is formed on an inner tube layer that defines a lumen of the rubber hose, a reinforcing layer formed on the outer periphery of the inner tube layer, and an outer periphery of the reinforcing layer.
  • the rubber hose has a laminated structure composed of an outer tube layer that defines an outer peripheral surface of the rubber hose, and the reinforcing layer includes a plurality of reinforcing cords arranged in a spiral shape.
  • This manufacturing apparatus includes a first extruder for extruding an inner tube, and a cord winding machine for winding a reinforcing cord in a spiral shape on the outer peripheral surface of the extruded inner tube (the same publication). Is called a "spiral machine") and a composite structure that is integrally combined with a second extruder that extrudes and forms an outer tube on the outer peripheral surface of the inner tube wound with a reinforcing cord. It is a device. Japanese Patent Laid-Open No. 10-44214
  • An object of the present invention is to provide a strip material spiral winding device that can be suitably used for manufacturing, for example, a rubber hose reinforced with a plurality of steel cords arranged in a spiral shape.
  • a spiral winding device for a strip material includes a base frame, a mandrel rotatably supported by the base frame and capable of winding the strip material around the base frame, and driving the mandrel.
  • a controller for controlling the mandrel drive mechanism and the feed movement mechanism, the controller being capable of feeding and moving the strip material supply mechanism along the mandrel in synchronization with the rotation of the mandrel.
  • the strip material supply mechanism includes a drum that has an axis and is rotatable around the axis, and the strip material is wound around the periphery of the drum, and the drum is wound around the mandrel and pulled.
  • a guide mechanism for guiding the strip material fed out from the drum and supplied toward the mandrel, a brake mechanism capable of applying a controllable braking torque to the rotation of the drum, and the strip material fed out from the drum A detection mechanism for detecting a radial distance from the shaft center of the drum at a delivery position of the drum, and a braking torque that the brake mechanism acts on the rotation of the drum based on a detection result of the detection mechanism
  • a braking torque control mechanism for controlling the tensile force acting on the strip material fed from the drum by controlling There.
  • the guide mechanism of the strip material supply mechanism has a curl direction curl when the strip material is wound around the mandrel on the strip material fed from the drum and supplied toward the mandrel. It may be provided with a curl giving mechanism for giving.
  • the curl imparting mechanism may include a cylindrical pin that is fed from the drum and supplied to the mandrel so that the strip material is wound around the circumferential surface and pressed against the circumferential surface. .
  • the winding radius in the free state of the strip material to which the curl has been imparted by the curl imparting mechanism may be equal to the radius of the mandrel.
  • a rubber hose reinforced by a plurality of steel cords arranged in a spiral shape can be manufactured by a relatively inexpensive manufacturing apparatus.
  • FIG. 1 shows a cross-section of a specific example of a rubber hose reinforced with a plurality of spirally arranged steel cords that can be manufactured using the spiral winding device of the strip material of the present invention. It is a schematic diagram and (B) is a partially broken view of this rubber hose.
  • (A), (B), and (C) are cross-sectional views showing three types of composite strip materials, and these composite strip materials use the strip material spiral winding device of the present invention.
  • the rubber hose shown in FIG. 1 can be used for manufacturing. It is the figure which showed the spiral winding apparatus of the strip material which concerns on suitable embodiment of this invention, and is the schematic diagram which showed arrangement
  • FIG. 3 It is the schematic diagram which showed arrangement
  • (A), (B), (C), and (D) are explanatory drawings showing the winding process of the composite strip material that can be performed using the spiral winding device of the strip material shown in FIG. It is.
  • the term “rubber” as used in connection with the present invention is not limited to natural rubber alone, and includes any elastomeric material referred to as synthetic rubber or other names, For example, in a uniform material composed of a single elastomer component, a uniform material obtained by mixing a plurality of types of elastomer components, a composite material composed of a plurality of elements composed of different elastomer components, and a base material composed of elastomer components. There are composite materials in which non-elastomeric components are dispersed or embedded, and various other forms of elastomer materials in various combinations thereof are also included. Also, the term “rubber hose” as used in connection with the present invention means a hose that uses rubber as the main material and, optionally, a non-rubber material.
  • the rubber hose 10 of a specific example has a concentric laminated structure.
  • the rubber hose 10 includes a flexible tube 11 (hereinafter referred to as “inner tube”) that forms the innermost layer of the laminated structure, and the inner tube 11 defines a lumen of the rubber hose 10. It is made.
  • inner tube 11 As a material for the inner tube 11, for example, oil resistant rubber or the like is used.
  • the inner tube 11 itself may be a laminated tube.
  • the rubber hose 10 further includes a laminated reinforcing layer 14 formed on the outer periphery of the inner tube 11, and this laminated reinforcing layer 14 is provided with a plurality of reinforcing steel cords (steel cord) in a base material made of rubber. ) 12 is embedded.
  • the reinforcing steel cords 12 are arranged so as to form four groups of steel cords 16, 18, 20 and 22.
  • Each of the steel cord groups 16, 18, 20, and 22 includes a plurality of steel cords 12 arranged so as to extend spirally in parallel to each other on a single cylindrical surface, and the steel cord groups 16, 18, 20, and 22 are arranged concentrically. Further, as shown in FIG.
  • the steel cords 12 of the first steel cord group 16 and the third steel cord group 20 are wound in the first spiral direction, while the second steel cord group 18 is wound.
  • the steel cords 12 of the fourth steel cord group 22 are wound in a second spiral direction opposite to the first spiral direction.
  • the steel cord 12 is flexible and has a large tensile rigidity, so that the rubber hose 10 is expanded in diameter by a high pressure inside thereof while maintaining the flexibility of the rubber hose 10 at least partially. It functions as a reinforcing member that prevents it from being stretched and causing excessive deformation. How to form the laminated reinforcing layer 14 described above will be described in detail later.
  • the rubber hose 10 further includes a flexible tube 24 (hereinafter referred to as “outer tube”) formed around the laminated reinforcing layer 14.
  • the outer tube 24 forms the outermost layer of the laminated structure of the rubber hose 10, and as the material of the outer tube 24, for example, wear-resistant rubber or the like is used.
  • the outer tube 24 itself may be a laminated tube.
  • the rubber hose 10 having the above configuration is suitable for use as a so-called high pressure hydraulic hose for circulating high pressure hydraulic oil in a hydraulic system.
  • the rubber hose 10 described above can be preferably manufactured by using a strip material spiral winding device according to an embodiment of the present invention described below, and the manufacturing process thereof is shown in FIG. (A) to FIG. 2 (C) include a step of forming the laminated reinforcing layer 14 using the composite strip material shown in its concrete example, and this composite strip material will be described first.
  • the composite strip material 26 of the three specific examples shown in cross-sectional views in FIGS. 2 (A) to 2 (C) is composed of two sides (opposite side surfaces) 30, 32 and both sides. And edges 34, 36.
  • Each of the composite strip members 26 is arranged in parallel with each other and the unvulcanized rubber strip 38 and the unvulcanized rubber strip 38 are arranged in parallel to each other in the longitudinal direction of the unvulcanized rubber strip 38 (hence, the composite strip).
  • a plurality of reinforcing steel cords 12 extending in the longitudinal direction of the material 26, the plurality of steel cords 12 being coplanar extending parallel to the side surfaces 30, 32 of the composite strip material 26. are arranged in a line.
  • the steel cord 12 has flexibility and large tensile rigidity, and functions as a reinforcing material for the rubber hose 10 as described above.
  • each steel cord 12 is entirely embedded in the unvulcanized rubber strip 36.
  • each steel cord 12 is partly embedded in the unvulcanized rubber strip 36, and the remaining part of the peripheral surface is formed.
  • the unvulcanized rubber strip 36 is exposed to the outside from one side surface 32.
  • each steel cord 12 is more exposed than the composite strip material of FIG. 2B, that is, the peripheral surface of each steel cord 12 is exposed.
  • a half-circumferential portion is embedded in the unvulcanized rubber strip 36, and the remaining half-circular portion of the peripheral surface is exposed to the outside from one side surface 32 of the unvulcanized rubber strip 36.
  • the surface (circumferential surface) of the steel cord 12 is preferably plated with brass, and the reason will be described later.
  • FIG. 3 is a schematic view showing the arrangement of main components of the spiral winding device 28 for strip material according to a preferred embodiment of the present invention in a plan view.
  • the strip material spiral winding device 28 shown in the figure includes a base frame (schematically shown by reference numeral BF in the figure) and a strip material around the base frame BF that is rotatably supported.
  • a mandrel 42 on which SM (for example, the composite strip material 26) can be wound, and a mandrel driving mechanism for driving and rotating the mandrel 42 are provided.
  • the mandrel driving mechanism grips one end of the mandrel 42. It comprises a power rotary head 44 provided with a chuck 46.
  • the strip material spiral winding device 28 is further provided with a tailstock 48 that engages with the other end of the mandrel 42.
  • the rotation drive head 44 and the core presser base 48 are attached to the base frame BF, and the mandrel 42 can rotate about its longitudinal axis through the power rotary head 44 and the core presser base 48. Supported by BF.
  • the mandrel 42 can be removed from the base frame BF by operating the chuck 46 and the core presser 48.
  • the strip material spiral winding device 28 further includes a strip material supply mechanism 50 (strip material supplier) which is a mechanism for supplying the strip material SM to be wound around the mandrel 42 toward the mandrel 42, and A feeding movement mechanism 52 (feeding ⁇ ⁇ mechanism) for feeding and moving the strip material feeding mechanism 50 along the mandrel 42 is provided.
  • the feed moving mechanism 52 includes a pair of guide rails 54 fixed to the base frame BF.
  • the guide rails 54 include a mandrel 42 supported by a rotary drive head 44 and a core pusher 48 and the guide rails 54. It is arrange
  • the feed moving mechanism 52 further includes a carriage 56, and this carriage 56 includes a traveling mechanism and can travel on the guide rail 54.
  • a strip material supply mechanism 50 is mounted on the carriage 56.
  • the spiral winding device 28 of the strip material further includes a controller 58 that can control the power rotary head 44 that is a mandrel driving mechanism and the feed movement mechanism 52 individually and in association with each other. ing.
  • the controller 58 can move the strip material supply mechanism 50 along the mandrel 42 in synchronization with the rotation of the mandrel 42 by controlling both in association with each other.
  • the strip material supply mechanism 50 includes a drum 60 and a guide mechanism 62 (see FIG. 4).
  • the drum 60 has an axis AX and is supported by a carriage 56 so as to be rotatable around the axis AX.
  • the strip material SM is wound around the drum 60 and stored. Therefore, the drum 60 is a strip material storage mechanism that stores the strip material SM supplied toward the mandrel 42.
  • the guide mechanism 62 is also supported by the carriage 56, and the guide mechanism 62 guides the strip material SM fed out from the drum 60 and supplied toward the mandrel 42 by being wound around the mandrel 42 and being pulled.
  • the drum 60 and the guide mechanism 62 are connected to the carriage 54 through a swing mechanism (not shown), and thereby tilt relative to the carriage 54 to change the direction in which the strip material SM is fed out. It is made to be able to.
  • the guide mechanism 62 includes a guide roller 64, and the strip material SM fed out from the drum 60 and supplied toward the mandrel 42 passes through the guide roller 64 and is guided by the guide roller 64.
  • the guide mechanism 62 further includes a curl tacking mechanism 66.
  • the curl tacking mechanism 66 is fed to the strip material SM that is fed from the drum 60 and supplied to the mandrel 42, and the strip material SM is supplied to the mandrel 42. It is a mechanism for imparting curl in the curl direction when wound around the periphery of the.
  • the curl imparting mechanism 66 includes a cylindrical pin 67 that is fed from the drum 60 and supplied toward the mandrel 42 and is wound around the circumferential surface and pressed against the circumferential surface.
  • the strip material SM When the strip material SM is fed out from the drum 60, it passes through the cylindrical pin 67, further passes through the guide roller 64, and is supplied toward the mandrel 42.
  • the radius of the cylindrical pin 6 is appropriately determined so that the winding radius in the free state of the strip material SM to which the winding rod is applied in this way is equal to the radius of the mandrel 42. Giving the winding material to the strip material SM in this manner is advantageous in stably winding the strip material SM around the mandrel 42.
  • the strip material supply mechanism 58 includes a brake mechanism 68 capable of applying a controllable braking torque with respect to the rotation of the drum 60, and a feeding position of the strip material SM fed out from the drum 60.
  • a detection mechanism 70 that detects a radial distance RD (see FIG. 4) from the axis AX of the drum 60, and a braking torque that the brake mechanism 68 acts on the rotation of the drum 60 based on the detection result of the detection mechanism 70.
  • a braking torque control mechanism 74 for controlling the tensile force acting on the strip material SM fed out from the drum 60.
  • the braking torque control mechanism 74 a commercially available programmable logic controller (also called “sequencer”) is used.
  • the detection mechanism 70 an ultrasonic range sensor that detects the distance to the object by detecting an echo of an ultrasonic pulse emitted toward the object is used, and the sensor 60 is wound around the drum 60. The distance to the surface of the strip material SM is detected, and the distance RD from the axis AX of the drum 60 to the surface is calculated in the sequencer 74 based on the detection result.
  • the brake mechanism 68 an air brake mechanism is used.
  • the braking torque control mechanism 74 further includes a control valve 76 for controlling the air brake mechanism and an actuator 78 for operating the control valve 76 in accordance with an output signal output from the sequencer 74.
  • the sequencer 74 sets the air brake so as to be proportional to the radial distance RD from the axis AX of the drum 60 of the feeding position of the strip material SM fed out from the drum 60, which is calculated from the detection result of the detection mechanism 70.
  • the braking torque generated by the mechanism By controlling the braking torque generated by the mechanism, the tensile force acting on the strip material SM fed out from the drum 60 is maintained at a good magnitude.
  • the strip material SM can be stably wound around the mandrel 42, and the winding material can be favorably imparted to the strip material SM.
  • the configuration for controlling the tensile force acting on the strip material SM fed from the drum 60 is not limited to that specifically described above, and various other configurations can be employed.
  • a rubber hose manufacturing method which is performed using the spiral winding device 28 of the strip material, includes the step of manufacturing the composite strip material 26, and the composite strip material 26 is previously As described with reference to FIGS. 2A to 2C, the unvulcanized rubber strip 38 and the unvulcanized rubber having both side surfaces 30 and 32 and both side edges 34 and 36, and the unvulcanized rubber.
  • the strip is provided with a plurality of reinforcing steel cords 12 arranged in parallel to each other and extending in the longitudinal direction of the unvulcanized rubber strip.
  • the composite strip material 26 for example, an unvulcanized rubber is formed into a strip shape, and at the same time, a plurality of steel cords are completely or partially embedded as inserts in the unvulcanized rubber strip. What should I do?
  • the manufactured composite strip material 26 is wound around the drum 60 of the strip material supply mechanism 56 and stored in the drum 60.
  • the rubber hose manufacturing method further includes a step of manufacturing a flexible inner tube 11 for forming the innermost layer of the rubber hose 10.
  • the inner tube 11 may be formed using a known rubber tube manufacturing method. In that case, the inner tube 11 is cut according to the length of the rubber hose to be manufactured, and the mandrel 42 is cut. Fit on the outer periphery. Alternatively, an unvulcanized rubber strip may be spirally wound around the outer periphery of the mandrel 42, and the wound unvulcanized rubber strip may be subsequently vulcanized to form the inner tube 11. .
  • an appropriate release agent or the like is applied to the inner surface of the inner tube 11 and / or the outer surface of the mandrel so that the inner tube 11 can be removed from the mandrel after the rubber hose is completed. It is good to leave.
  • the rubber hose manufacturing method further includes a step of forming a laminated reinforcing layer 14 having a plurality of steel cords 12 arranged in a spiral shape around the inner tube 11.
  • the composite strip material 26 is wound around the inner tube 11, and a wound structure having a laminated structure in which a plurality of unit layers 90 to 96 (see FIG. 1B) are laminated.
  • Form the body At that time, one unit layer is formed on (around) the inner tube 11, and another unit layer is formed successively on (on the periphery) of the formed unit layer.
  • the unvulcanized rubber strip 38 of the wound composite strip material 26 is vulcanized.
  • the front end portion of the composite strip material 26 fed from the drum 60 is fixed to one end (left end in FIG. 3) of the inner tube 11 on the mandrel 42, and then the strip
  • the material spiral winding device 28 is operated to rotate the mandrel 42, and the carriage 54 is fed along the guide rail 52 (in the illustrated example, from the left end to the right end in FIG. 3), whereby the composite strip.
  • the material 26 is wound around the outer circumference of the inner tube 11 in a spiral shape.
  • one side surface (for example, the side surface 30) of the composite strip material 26 is brought into contact with the outer peripheral surface of the inner tube 11, and the side edge of the composite strip material 26 forming one turn of the spiral and the turn adjacent thereto are arranged.
  • the composite strip material 26 is spirally wound around the outer peripheral surface of the inner tube 11 with the side edges of the composite strip material 26 to be formed, and the outer peripheral surface of the inner tube 11 is covered with the composite strip material 26. .
  • the first (innermost) unit layer 90 (see FIG. 1B) is formed on (around) the inner tube 11.
  • the single composite strip material 26 is made to have the spiral pitch P equal to the width dimension W of the composite strip material 26,
  • the single composite which forms the side edge of the single composite strip material 26 which forms one turn of the spiral and the turn adjacent to the spiral is wound on the outer peripheral surface of the inner tube 11 in a spiral shape.
  • the side edges of the strip material 26 may be brought into close contact with each other.
  • FIGS. 5 (B) to 5 (D) when forming each unit layer, a plurality of composite strip members 26 are arranged in parallel spiral on the outer peripheral surface of the inner tube 11.
  • the side edge of one composite strip member of the plurality of composite strip members may be brought into close contact with the side edge of the composite strip member adjacent thereto.
  • the spiral pitch P may be set to N times the width W of the composite strip material 26, where N is the number of composite strip materials wound on the outer peripheral surface of the inner tube 11. is there.
  • the second unit layer 92 is subsequently formed on (around) the formed first unit layer 90.
  • the tip of the composite strip material 26 fed from the drum 60 is fixed to one end (right end in FIG. 3) of the first unit layer 90, and then the spiral winding device 28 of the strip material is operated.
  • the carriage 54 is fed and moved along the guide rail 52 (in the illustrated example, from the right end to the left end in FIG. 3), whereby the composite strip material 26 is moved to the first unit layer 90. Wound spirally around the periphery.
  • one side surface (for example, the side surface 30) of the composite strip material 26 is brought into contact with the outer peripheral surface of the first unit layer 90, and the side edge of the composite strip material 26 forming one spiral is adjacent to the side edge.
  • the composite strip material 26 is spirally wound on the outer peripheral surface of the first unit layer 90 with the side edges of the composite strip material 26 forming the turn closely, and the outer peripheral surface of the first unit layer 90 is wound around the composite strip material. 26.
  • the second unit layer 92 is formed on (around) the first unit layer 90.
  • the rotation direction of the mandrel 42 is the same when the first unit layer 90 is formed and when the second unit layer 92 is formed. This rotation direction is indicated by an arrow 80 in FIG.
  • the relative winding direction of the strip material 26 with respect to the mandrel 42 is opposite to the rotation direction 80 of the mandrel 42 as indicated by an arrow 82. As is clear from FIG.
  • the spiral direction of the composite strip material 26 forming the first unit layer 90 and the spiral direction of the composite strip material 26 forming the second unit layer 92 are mutually The opposite direction is the same, and the relative winding direction 82 of the strip material 26 with respect to the mandrel 42 is the same between the two, whereas the winding direction of the composite strip material 26 ( In other words, the strip material supply mechanism 50 is moved in the opposite direction).
  • the composite strip material 26 is wound from the left end to the right end in FIG. 3 in the same manner as when the first unit layer 90 is formed around the second unit layer 92 thus formed.
  • a third unit layer 94 is formed on (around) the unit layer 92. Further, the third unit layer 94 is wound around the third unit layer 94 thus formed by winding the composite strip material 26 from the right end to the left end in FIG. 3 in the same manner as when the second unit layer 92 is formed.
  • a fourth unit layer 96 is formed on (around) 94.
  • the unit layers 90 to 96 formed by this unit layer forming method include a unit layer obtained by winding the composite strip material 26 in the first spiral direction, and the composite strip material 26 in the first spiral direction. It is formed by alternately laminating unit layers wound in two spiral directions.
  • the base outer peripheral surface on which the unit layer 90 is formed is the outer peripheral surface of the inner tube 11
  • the second unit layer 92, the third unit layer 94, In the four unit layer 96, the base outer peripheral surface on which the unit layer is formed is the outer peripheral surface of the unit layer formed prior to the unit layer.
  • this does not affect the procedure for forming the unit layer.
  • One side surface of the composite strip material 26 is brought into contact with each other, and the side edge of the composite strip material 26 forming one turn of the spiral is closely contacted with the side edge of the composite strip material 26 forming the adjacent turn.
  • the composite strip material 26 By winding the composite strip material 26 spirally around the foundation outer circumferential surface, the foundation outer circumferential surface is covered with the composite strip material 26.
  • the composite strip material 26 wound around the mandrel 42 may have its same side facing the mandrel 42.
  • the composite strip material 26 of any unit layer 90 to 96 has the side surface 30 on which the steel cord 12 is not exposed directed toward the mandrel 42.
  • the steel cord 12 appears to be exposed on the outer peripheral surface of each unit layer 90, 92, 94, 96.
  • the spiral angle of the composite strip material 26 wound in a spiral shape is the diameter of the unit layer to be formed, the spiral Further, the pitch P of the spiral is influenced by the width dimension W of the composite strip material 26. Therefore, the width dimension W of the composite strip material 26 is appropriately determined in advance according to the target spiral angle of the steel cord 12 of the rubber hose to be manufactured. Further, when the first to fourth unit layers 90 to 96 are formed using the same composite strip material 26, the diameters of the unit layers are different, so that the spiral angles of the steel cords in the unit layers are also different from each other.
  • the spiral angle in the first unit layer 90 is the largest, and the spiral angle in the fourth unit layer 96 is the smallest. Therefore, if the spiral angle of the steel cord 12 is desired to be the same in all unit layers, the unit layers may be formed using composite strip materials having different width dimensions, that is, The width dimension of each composite strip is appropriately determined by making the width dimension of the composite strip material forming one unit layer 90 the smallest and the width dimension of the composite strip material forming the fourth unit layer 96 being the largest. Just do it.
  • a powder for example, sulfur powder
  • a sulfur-containing substance is attached to the surface of the composite strip material 26.
  • the peripheral surface of the steel cord 12 is exposed to the outside from one side of the unvulcanized rubber strip 38. It is advantageous when using a composite strip material 26 in which the peripheral surface of the steel cord 12 is brass-plated, because when vulcanization is performed later by attaching such a powder. Further, the surface of the steel cord 12 plated with brass exposed from the composite strip material 26 of one unit layer and the unvulcanized rubber of the composite strip material 26 of the adjacent unit layer This is because bonding strength between the surface of the lip 38 is increased.
  • the composite strip material 26 is applied while applying an appropriate tension to the composite strip material 26.
  • the composite strip material can be wound on the outer peripheral surface of the inner tube 11 or the outer peripheral surface of the unit layer that has already been formed. 26 can be wound on the outer peripheral surface of the inner tube 11 or on the outer peripheral surface of the unit layer that has already been formed, the composite strip material 26 can be wound on the outer peripheral surface in a stable state.
  • the unvulcanized laminated reinforcing layer 14 is formed.
  • an outer tube 24 that covers the surface of the laminated reinforcing layer 14 is formed on the outer periphery of the unvulcanized laminated reinforcing layer 14.
  • This process can be carried out by using a strip material spiral forming apparatus 28, for example, a strip material made of unvulcanized rubber which becomes a wear-resistant rubber after vulcanization, which is a material of the outer tube 24.
  • the unvulcanized rubber strip material is wound around the drum 60 of the strip material supply mechanism 50 and stored in this drum 60, and the unvulcanized rubber strip material is spirally wound around the surface of the unvulcanized laminated reinforcing layer 14. do it.
  • the unvulcanized rubber strip material may be wound so that there is an overlap (over wrapping) between one side edge in one turn and the other side edge in the next turn. .
  • the mandrel 42 is removed from the spiral forming device 28 of the strip material, and is carried into the vulcanization processing device. Apply sulfur treatment. Subsequently, a rubber hose 10 as a final product is obtained by pulling out the vulcanized rubber hose 10 from the mandrel 42.

Abstract

L'invention concerne un dispositif d'enroulement en spirale (28) de matériau en bande, adapté à la fabrication d'un tuyau souple en caoutchouc (10). Le dispositif (28) selon l'invention comprend un mandrin rotatif (42) et un mécanisme d'acheminement de matériau en bande (50) destiné à acheminer vers le mandrin le matériau en bande (SM) à enrouler autour du mandrin. Le mécanisme d'acheminement comprend un tambour (60) autour duquel le matériau en bande est enroulé et stocké, un mécanisme de freinage (68) destiné à appliquer un couple de freinage régulable sur la rotation du tambour, un mécanisme de détection(70) destiné à détecter la distance radiale (RD) d'une position dans laquelle le matériau en bande est déroulé du tambour, cette distance radiale (RD) étant mesurée à partir de l'axe (AX) du tambour, ainsi qu'un mécanisme de régulation de couple de freinage (74) destiné à réguler le couple de freinage appliqué par le mécanisme de freinage sur la rotation du tambour, en fonction du résultat de la détection effectuée par le mécanisme de détection (70), ce qui permet de réguler la force de traction s'exerçant sur le matériau en bande déroulé du tambour.
PCT/JP2009/004332 2008-09-04 2009-09-02 Dispositif d'enroulement en spirale de materiau en bande WO2010026754A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2008227211A JP4442707B2 (ja) 2008-09-04 2008-09-04 油圧ホースの製造方法および油圧ホースならびにスパイラル補強層形成用帯状部材
JP2008-226821 2008-09-04
JP2008-227211 2008-09-04
JP2008226821A JP4442706B2 (ja) 2008-09-04 2008-09-04 油圧ホースの製造方法

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WO2010026754A1 true WO2010026754A1 (fr) 2010-03-11

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PCT/JP2009/004327 WO2010026749A1 (fr) 2008-09-04 2009-09-02 Procédé de fabrication d'un tuyau en caoutchouc renforcé par des câbles d'acier, tuyau en caoutchouc renforcé par des câbles d'acier, et matériau en bande composite
PCT/JP2009/004332 WO2010026754A1 (fr) 2008-09-04 2009-09-02 Dispositif d'enroulement en spirale de materiau en bande

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PCT/JP2009/004327 WO2010026749A1 (fr) 2008-09-04 2009-09-02 Procédé de fabrication d'un tuyau en caoutchouc renforcé par des câbles d'acier, tuyau en caoutchouc renforcé par des câbles d'acier, et matériau en bande composite

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DE102010003916A1 (de) 2010-04-13 2011-10-13 Evonik Degussa Gmbh Flexibles Rohr und Verfahren zu dessen Herstellung
CN105065802B (zh) * 2015-08-20 2017-10-31 山东悦龙橡塑科技有限公司 一种用于海上钻井平台加注站补给系统的粉料输送软管总成及其制备方法
NL2015434B1 (en) * 2015-09-14 2017-03-29 Pipelife Nederland Bv High pressure pipe and method for producing such pipe.
CN106313591B (zh) * 2016-08-25 2019-03-15 焦作恒荣科技有限公司 一种新型内置钢丝的橡胶套管的制造方法
GB2560298A (en) * 2016-11-19 2018-09-12 Polimer Kaucuk Sanayi Ve Pazarlama A S Method for producing a high-pressure hose and high pressure hose
CN106989219B (zh) * 2017-04-23 2023-09-19 张东晓 一种膨胀胶管及其生产工艺
CN110370674A (zh) * 2019-06-28 2019-10-25 哈尔滨理工大学 一种橡胶桶状制品的缠绕成型制备方法及桶状制品
CN112268145B (zh) * 2020-10-28 2022-06-10 河北泽邦塑胶科技有限公司 一种隔震橡胶软管及其制备方法
CN113211836A (zh) * 2021-05-12 2021-08-06 江西耐普矿机股份有限公司 一种高耐磨橡胶钢丝软管的制造方法及模具成型装置
EP4261012A1 (fr) * 2022-04-12 2023-10-18 Fibron Pipe GesmbH Procédé de fabrication d'un tube composite thermoplastique souple, ainsi que tube composite thermoplastique
CN117128371A (zh) * 2022-09-23 2023-11-28 漯河利通液压科技股份有限公司 软管、软管总成及制备方法

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JPS5236172A (en) * 1975-09-15 1977-03-19 Midwestern Mfg Co Machine for covering pipes with tape * having improved means of controlling tension of tape
JPS6242833A (ja) * 1985-08-20 1987-02-24 Kuraray Plast Kk 線材埋入可撓管の製造装置
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