WO1999017920A1 - Procede et appareil pour former une couche de renfort d'un pneu - Google Patents
Procede et appareil pour former une couche de renfort d'un pneu Download PDFInfo
- Publication number
- WO1999017920A1 WO1999017920A1 PCT/JP1998/004464 JP9804464W WO9917920A1 WO 1999017920 A1 WO1999017920 A1 WO 1999017920A1 JP 9804464 W JP9804464 W JP 9804464W WO 9917920 A1 WO9917920 A1 WO 9917920A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ribbon
- rigid core
- peripheral surface
- outer peripheral
- ribbon piece
- 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
Links
Classifications
-
- 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
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/10—Building tyres on round cores, i.e. the shape of the core is approximately identical with the shape of the completed tyre
- B29D30/16—Applying the layers; Guiding or stretching the layers during application
- B29D30/1657—Applying the layers; Guiding or stretching the layers during application by feeding cut-to-length pieces in a direction inclined with respect to the core axis and placing the pieces side-by-side to form an annular element
-
- 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
- B29C2793/00—Shaping techniques involving a cutting or machining operation
- B29C2793/0081—Shaping techniques involving a cutting or machining operation before shaping
-
- 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
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/10—Building tyres on round cores, i.e. the shape of the core is approximately identical with the shape of the completed tyre
- B29D30/16—Applying the layers; Guiding or stretching the layers during application
- B29D2030/1664—Details, accessories or auxiliary operations not provided for in the other subgroups of B29D30/00
- B29D2030/1685—Details, accessories or auxiliary operations not provided for in the other subgroups of B29D30/00 the layers being applied being already cut to the appropriate length, before the application step
-
- 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
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/38—Textile inserts, e.g. cord or canvas layers, for tyres; Treatment of inserts prior to building the tyre
- B29D30/44—Stretching or treating the layers before application on the drum
- B29D2030/4468—Holding the layers
- B29D2030/4493—Holding the layers by using suction means, e.g. vacuum
-
- 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
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/70—Annular breakers
- B29D2030/705—Annular breakers the breakers being obtained by cutting a continuous reinforced strip into predefined lengths and placing the cut strips side by side on a suitable support, e.g. a toroidal core or a carcass
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1062—Prior to assembly
- Y10T156/1075—Prior to assembly of plural laminae from single stock and assembling to each other or to additional lamina
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
- Y10T156/13—Severing followed by associating with part from same source
Definitions
- the present invention relates to a method and an apparatus for directly or indirectly forming a tire reinforcing layer on an outer peripheral surface of a rigid core having a circular outer contour.
- the reinforcing material is attached to the crown surface of the support in a prone position inclined at a certain angle with respect to the equator line of the support, and the reinforcing material is cut by a cutter at a predetermined length from the start end of the support This is repeated, whereby the belt layer is formed by affixing one after another in a state where the reinforcing material is arranged side by side on the outer peripheral surface of the support.
- the reinforcement is attached by moving the installation head in the direction in which the reinforcement is attached, if the inclination of the reinforcement with respect to the equator of the support is small, the In other words, when the direction of extension of the reinforcing material is close to the equator line of the support, the installation head must be placed at a relatively long distance for attaching each reinforcing material, that is, the length of the reinforcing material to be attached. It had to be moved a short distance, which caused the problem that the work efficiency was further reduced.
- An object of the present invention is to provide a method and an apparatus for forming a tire reinforcing layer that can directly or indirectly form a tire reinforcing layer on the outer peripheral surface of a rigid core with high efficiency. .
- the method for forming a tire reinforcing layer includes the steps of: transporting a ribbon-like body formed by rubber-coating a plurality of cords extending in parallel to each other to a position near a rigid core having a circular outer contour; Cutting the ribbon piece into a ribbon piece, moving the ribbon piece onto the outer peripheral surface of the rigid core, and attaching the ribbon piece to the outer peripheral surface at a predetermined angle with respect to the equator line of the rigid core.
- the respective ribbon pieces are attached to the outer peripheral surface of the rigid core, and their side edges are Are attached one after the other in the circumferential direction while keeping them close together.
- the tire reinforcing layer forming apparatus of the present invention conveys a ribbon-shaped body formed by rubber coating a plurality of cords extending in parallel to each other to a vicinity of a rigid core having a circular outer contour, A transport cutting means for cutting the ribbon piece into a predetermined length to form a ribbon piece, and moving the ribbon piece from the transport cutting means onto the outer peripheral surface of the rigid core, and inclining the outer peripheral surface of the rigid core at a predetermined angle with respect to the equator line. And a rotating means for rotating the rigid core about the central axis by the circumferential length of the ribbon piece.
- the ribbon-shaped body is transported to the vicinity of the rigid core by the transport cutting means, and the ribbon-shaped body is cut into a predetermined length to form a ribbon piece.
- the rigid core is moved onto the outer peripheral surface of the rigid core, and is inclined at a predetermined angle with respect to the equator line of the rigid core and attached to the outer peripheral surface of the rigid core. It is rotated around the circumferential length of the ribbon piece on the rigid core.
- the ribbon pieces have a configuration in which a plurality of cords are rubber-coated, and the plurality of cords can be simultaneously set at the expected positions by attaching one piece of the ribbon pieces.
- the number of times of attaching the ribbon piece for forming the tire reinforcing layer can be advantageously reduced, and the working efficiency can be greatly increased.
- the ribbon piece here is cut out of the ribbon-like body in the vicinity of the rigid core, and the required transport distance for sticking it on the rigid core depends on the inclination angle of the cord with respect to the rigid core equator. Regardless of this point, the working efficiency of forming the tire strengthening layer can be improved.
- the transfer / pasting means includes a magnetic or negative pressure suction unit that suctions and holds at least both ends of the ribbon pieces, and a moving mechanism that moves the magnetic or negative pressure suction unit.
- the mobile mechanism is composed of the same number of manipures as the number of magnetic or negative pressure attracting parts, and each magnetic or negative pressure attracting part is connected to a hand of each manual puree.
- the former device it is possible to reliably carry and hold and attach the ribbon pieces with a simple structure, and according to the latter device, the outer peripheral surface shape and dimensions of the rigid core are changed. Can be easily and easily dealt with.
- the transfer / pasting means includes: a magnetic or negative pressure attraction portion for attracting and holding at least both ends of the ribbon piece; and an outer peripheral surface of the rigid core. And a moving mechanism for displacing the pressing mechanism.
- a magnetic or negative pressure attraction portion for attracting and holding at least both ends of the ribbon piece
- an outer peripheral surface of the rigid core for attracting and holding at least both ends of the ribbon piece
- a moving mechanism for displacing the pressing mechanism.
- the pressing mechanism section has one end of each pair of lever yokes of the same length hinged to each other end of a pair of levers of the same length hinged to each other, and the lever of each pair.
- the other end of the lever yoke is connected to each other by a leaf spring extending linearly in a horizontal plane at a predetermined opening of the lever and the yoke. It is preferable to attach a plurality of negative pressure suction parts.
- the pressing mechanism functions like a wiper blade of an automobile or the like, and can achieve uniform ribbon piece pressing pressure.
- the pair of lever yokes is arranged in a plurality of stages, the number of suction sections can be easily increased, and the moving mechanism for connecting the pressing mechanism sections is constituted by one manipulator. In this case, the equipment cost can be reduced, the operation control can be further simplified, and the working speed can be further increased.
- FIG. 1 is an overall perspective view showing an embodiment of the present invention.
- FIG. 2 is a plan view of the rigid core and the transport cutting means.
- FIG. 3 is a perspective view showing another embodiment of the present invention.
- FIG. 4 is a diagram illustrating a pressing mechanism and a magnetic attraction unit.
- FIG. 5 is a perspective view showing a state in which a ribbon piece is attached to the outer peripheral surface of the core.
- FIG. 6 is a schematic diagram showing a ribbon piece sticking process when the transport state of the ribbon piece is changed.
- FIG. 7 is a front view showing another example of the pressing mechanism.
- reference numeral 11 denotes a driving unit, and the driving unit 11 is horizontally moved in the front-rear direction. And a pivotable main shaft 12.
- a substantially doughnut-shaped rigid core 13 is detachably mounted on the front end of the main shaft 12 coaxially with the main shaft 12.
- reference numeral 16 denotes a horizontal transfer conveyor inclined at the same angle as the cord in the belt layer with respect to the equator line E in a plan view of the rigid core 13 having a preformed layer.
- the conveyor 16 conveys the ribbon 18 to the vicinity of the rigid core 13 based on its traveling. Note that this conveyor can be extended substantially parallel to the equator line E of the rigid core 13 or in a direction substantially orthogonal to the equator line E.
- the ribbon 18 is formed by rubber-coating a plurality of, for example, 2 to 8 cords 11 made of steel, textile, or the like, extending in parallel with each other. 8 may be either the one immediately after molding or the one once wound into a roll after molding.
- the transport conveyor 16 here comprises a first conveyor 19 installed at a position separated from the rigid core 13 and a second conveyor 20 installed at a position close to the rigid core 13.
- the two conveyors 20 extend above and cross the main shaft 12.
- These first and second conveyors 19 and 20 are rotatable around fixed frames 21 and 22 extending in the longitudinal direction of the conveyor 16 and both ends of each fixed frame 21 and 22.
- Each pair of supported rollers 23, 24, and belts 25, 26, which are respectively stretched between the rollers 23, 24, and one of the rollers 23, 24 is rotationally driven.
- a motor (not shown) is used.
- a guillotine-type cutting mechanism 27 for obliquely cutting the conveyed ribbon 18 in the width direction is provided between the first and second conveyors 19 and 20.
- the cutting mechanism 27 has a horizontal fixed lower blade 28 inclined at a predetermined angle with respect to the traveling direction of the first and second conveyors 19 and 20, and a vertically movable upper blade 28.
- the movable upper blade 2 9 that is installed and cuts the ribbon 18 in cooperation with the fixed lower blade 28 when it moves downward. Consists of
- Such a cutting mechanism 27 is a ring-type one that includes a fixed anvil and a ring cutter that moves while rotating along the fixed anvil, or a fixed anvil and a moving member that moves along the fixed anvil. It can also be replaced with a knife-type one that includes a movable knife.
- Reference numeral 32 denotes a detection sensor installed directly above the upstream end portion of the second conveyor 20.
- the detection sensor 32 detects the leading end of the ribbon 18 being conveyed, and controls the control means (not shown). Function to output a detection signal to the This control means causes the first and second conveyors 19 and 20 to travel a predetermined distance after the signal from the detection sensor 32 is input, and the leading end of the ribbon 18 is cut by the cutting mechanism 2. At a predetermined distance from 7, the traveling of both conveyors 19, 20 is stopped.
- the cutting mechanism 27 operates based on such a stop of the conveyors 19 and 20 to cut the ribbon 18 obliquely in the width direction thereof, and from the leading end of the ribbon 18 Cut out a predetermined length of ribbon piece 3 3.
- Reference numeral 34 denotes a pair of guide members provided at positions corresponding to the upstream end portion of the second conveyor 20. Both guide members 34 extend in the longitudinal direction of the second conveyor 20. The ribbon-shaped body 18 is located between them at a distance equal to the width of the ribbon 18. As a result, when the ribbon 18 conveyed by the second conveyor 20 passes between the guide members 34, the ribbon 18 is pushed from both sides by the guide members 34, and is pushed on the conveyor. Is specified in the width direction.
- the transfer and cutting means 35 is configured to transfer the ribbon-shaped body 18 into a predetermined length by cutting the ribbon 18 into a predetermined length.
- Reference numeral 38 denotes a horizontal base installed further in front of the rigid core 13. On this base 38, a plurality of, for example, three, manipulators as moving mechanisms are provided. Attaches a vertical articulated industrial robot 39 and positions these robots 39 on a straight line parallel to the equator line E of the rigid core 13.
- Each of the robots 39 includes a main body 40 that rotates around a vertical axis, a first arm 41 having a base end connected to the upper end of the main body 40 and swinging in a vertical plane, The base end is connected to the tip of the arm 4 1, and the second arm 42 swings in the vertical plane, and further connected to the tip of the second arm 42, and rotates around the center axis of the second arm 42.
- a first hand 43, and a second hand 44 having a proximal end connected to the distal end of the first hand 43 and swinging in a plane including the rotation axis of the first hand 43.
- a magnet body 45 made of, for example, an electromagnet, rotatable around the central axis of the second hand 44 is connected to the tip of the second hand 44.
- the magnet body 45 holds the ribbon piece 33 by adsorbing, for example, a steel cord 17 when the power is supplied thereto, and releases the ribbon piece 33 when the power is stopped. To work.
- three magnet bodies 45 and three robots 39 are provided as described above, and the ribbon pieces 33 are formed by these magnet bodies 45 and the robot 39.
- the robot is transported while adsorbing and holding both ends and the central part.However, one magnet is attached to each of the two robots, and the ribbon is transported while adsorbing and holding only both ends of the ribbon.
- each robot 39 shows the respective magnet bodies 45 sucking the ribbon pieces 33 on the second conveyor 20 to a desired position in accordance with the movement locus stored in advance, as shown in the figure.
- it is moved along the axis of the main shaft 12 in the forward direction to a position corresponding to the outer peripheral surface of the rigid core 13 in a substantially initial posture, and then the magnet bodies 45 are moved to the rigid core.
- 13 While sticking the ribbon piece 33 on the outer peripheral surface while making relative displacement according to the curved surface shape of the outer peripheral surface of 3, the relative posture of the ribbon piece 33 to the rigid core outer peripheral surface at the time of this attachment is The rigid core 1 of 3
- the posture is inclined at a predetermined angle with respect to the equator line E.
- the magnet bodies 45 adsorbing the one end and the other end in the longitudinal direction of the ribbon piece 33 are both slightly counterclockwise.
- the bell formed is formed by setting the cord inclination angle of both ends in the longitudinal direction of the ribbon piece 33 with respect to the equator line E to be smaller than the cord inclination angle of the central part in the longitudinal direction.
- the tightening effect, that is, the effect, at the both ends in the width direction of the flat layer can be improved.
- the ribbon piece 33 can be stuck in a linearly extended state without rotating any magnet body 45.
- the magnet pieces 45 may be slightly rotated and displaced clockwise to affix the ribbon pieces to the outer peripheral surface of the rigid core 13 with the ribbon pieces deformed in the opposite direction to the above case. it can.
- the robot 39 and the magnet body 45 transport the ribbon piece 33 from the transport cutting means 35 to the outer peripheral surface of the rigid core 13 in the width direction of the ribbon piece 33, Conveying and pasting means 46 is formed on the outer peripheral surface at a predetermined angle with respect to the core equatorial line E.
- the transfer / pasting means 46 is composed of two or more magnet bodies 45 and a moving mechanism that controls the movement of these magnet bodies 45, so that the ribbon piece can be formed under a simple structure. 3.
- the holding and transporting of 3 can be performed reliably.
- the robot 39 is used as the moving mechanism, there is a change in the type of the rigid core 13, and even if the shape, dimensions, etc. of the outer peripheral surface are changed, it can be easily and quickly performed. We can deal with it.
- Reference numeral 50 denotes a motor built in the drive unit 11, and a timing bell is provided between a bulge 51 fixed to an output shaft of the motor 50 and a bulge 52 fixed to the main shaft 12. Uto 5 3 is hung.
- 5 4 is an encoder mounted on the main shaft 12 to detect the rotation amount of the This encoder 54 outputs a signal to the motor 50 when the main shaft 12 rotates by a predetermined amount, that is, by the circumferential length L of the ribbon piece 33 attached to the outer peripheral surface of the rigid core 13. It acts to force it to stop working.
- the motor 50, the pulleys 51, 52, the timing belt 53, and the encoder 54 as a whole form a rigid core 13 around the central axis, a ribbon piece on the rigid core.
- the rotating means 55 is configured to rotate by an amount corresponding to the circumferential length L of 33.
- first and second conveyors 19 and 20 of the transport cutting means 35 are run synchronously with each other under the operation of their respective motors, so that the ribbon-like body 18 is formed into a rigid core. It is transported in the longitudinal direction towards 13.
- the ribbon 18 passes between the guide members 34, and the edge positions of both sides are limited by them. Therefore, the width direction position of the ribbon flat 18 on the conveyor is always predetermined. Will be identified by location.
- the detection sensor 32 detects the passage of the leading end of the ribbon 18, and based on this, a detection signal is input to the control means, so that both conveyors 19, 20 detect the detection signal.
- the traveling is continued for a certain time from the input, and as a result, the ribbon 18 is conveyed to a position near the outer peripheral surface of the rigid core 13.
- the traveling of the conveyors 19 and 20 is continued for a certain period of time, so that the ribbon 18 travels for a predetermined distance.
- the leading end of the ribbon 18 is separated from the cutting mechanism 27 by a predetermined distance.
- the control means outputs a stop signal to the motors of both conveyors 19 and 20 after a lapse of a predetermined time, and stops their traveling. Thereafter, the movable upper blade 29 of the cutting mechanism 27 is lowered, and the ribbon 18 is cut obliquely in the width direction to form a ribbon piece 33.
- each of the magnet bodies 45 is pressed against the central part.
- each magnet body 45 adsorbs the steel cord 17 based on the power supply thereto, and holds both ends and the center of the ribbon piece 33.
- the respective robots 39 are operated in synchronization with each other, and the magnet body 45 for sucking and holding the ribbon pieces 33 is moved from the second conveyor 20 to the width direction of the ribbon pieces 33, as shown in FIG. Then, the ribbon piece 33 is conveyed to the outer peripheral surface of the rigid core 13 by moving the ribbon piece 33 forward in the axial direction of the main shaft 12. After that, the ribbon pieces 33 are placed on the outer peripheral surface of the rigid core 13 in a state where the relative position of each magnet body 45 is changed according to the curved surface shape of the outer peripheral surface of the rigid core 13. Then, it is attached in an extended posture where it is inclined at a predetermined angle with respect to the core equatorial line E.
- the respective magnet bodies 45 holding the respective ends thereof by suction can be slightly rotated counterclockwise.
- the ribbon piece 33 is cut out from the ribbon-like body 18 transported to a position near the outer peripheral surface of the rigid core 13, and the transport direction to the core outer peripheral surface is substantially the width of the ribbon piece 33.
- the ribbon piece itself includes a plurality of cords extending parallel to each other, so that even when the inclination angle of the ribbon piece 33 with respect to the core equator line E is small, The conveying distance is short, and as a result, the work efficiency of the sticking operation is improved under the small number of times of attaching the ribbon pieces 33.
- the main shaft 12 and the rigid core 13 are moved by a predetermined amount around their central axis by operating the motor 50 of the rotating means 55. For example, it is rotated by an amount corresponding to the circumferential length L of the ribbon piece 33 attached to the outer peripheral surface of the core.
- the encoder 54 outputs a signal to the motor 50 to stop its operation.
- the ribbon pieces 33 are adhered to the outer peripheral surface of the core one after another in the circumferential direction while keeping the side edges of the ribbon pieces in close contact with each other. Form a layer.
- the ribbon piece 33 here includes a plurality of cords 17 as described above, a plurality of cords 17 are simultaneously set by pasting the ribbon piece at one time. By doing so, the number of times of application for forming the belt layer can be reduced, and the work efficiency can be sufficiently improved.
- the ribbon pieces 33 are transported to the outer peripheral surface of the rigid core 13 and affixed. Thereafter, the rigid core 13 is rotated by a predetermined angle.
- the transport of the ribbon-like body and the formation of the ribbon piece are performed in conjunction with the transfer of the ribbon piece and the rotation of the rigid core. It can also be performed in an external setup, which can further improve work efficiency.
- the position of the ribbon 18 in the width direction is specified by passing the ribbon 18 between a pair of guide members 34. Is that the ribbon-shaped body is biased to one side in the width direction by a plurality of guide rollers that are obliquely inclined, and the ribbon-shaped body is constantly brought into contact with a guide member installed on one side, or A guide magnet can be placed on one side of the ribbon, and the steel cord in the ribbon can be drawn to identify the position in the width direction.
- the case where the inner liner, the force, and the like are adhered in advance to the outer peripheral surface of the substantially donut-shaped rigid core 13 has been described.
- the initial formation layer can be omitted, and a cylindrical drum can be used instead of the substantially doughnut-shaped rigid core.
- FIG. 3 is a perspective view showing another embodiment of the present invention, which is different from the above-described embodiment, particularly in that the transport / pasting means is modified.
- the transport / pasting means 60 here is provided at the end of the manipulator 61 as a moving mechanism, which can be disposed in front of the rigid core 13 connected to the main shaft 12 or on the side thereof as shown in the figure.
- One pressing mechanism 63 which will be described in detail later, is connected to the wrist 62 as a movable step, and a plurality of magnets or magnets for attracting and holding at least both ends of the ribbon piece 33 are connected to the pressing mechanism 63.
- the vacuum suction unit for example, the magnetic suction unit 64 is attached.
- the manipulator 61 receives a lifting arm 66 that protrudes horizontally from a bost 65 that is pivotally displaced about a vertical axis, and horizontally moves the lifting arm 66 along its central axis.
- a transfer mechanism section 69 comprising a reciprocating arm 67, which is displaced in the vertical direction, and a carrier 68, which holds the wrist 62, and displaces horizontally in a direction perpendicular to the horizontal displacement direction of the reciprocating arm 67, is attached.
- the wrist 62 is rotatable around a vertical axis.
- the pressing mechanism 63 here has one end hingedly connected to each other and the other end of a pair of equal length levers 70, each having the same length.
- One end of each pair of lever yokes 71 is hinged, and the other end of the lever yoke 71 is linearly moved in a horizontal plane at a predetermined opening of each pair of levers 70 and lever yokes 71.
- It is interconnected by an extended leaf spring 72, and more preferably, the pair of levers 70 are moved in the direction of pulling each other, and each pair of lever yokes 71 are moved in the direction of expansion of each other.
- the springs are respectively biased.
- the leaf spring 72 after the leaf spring 72 is deformed along the outer peripheral surface of the rigid core 13 by operating the pressing mechanism 63, the leaf spring 72 returns to the original shape shown in the figure.
- the elastic return can be assisted by the respective biasing springs.
- the attachment of the magnetic attraction portion 64 to the pressing mechanism portion 63 having such a configuration is performed, for example, at a position corresponding to a hinge connection portion of the lever yoke 71 to the leaf spring 72.
- the bottom surface of the cylindrical housing 73 of the magnetic attraction part 64 is attached to the leaf spring 72 by the peripheral portion of the hole formed in the leaf spring 72.
- each pair must be screwed.
- the lever yoke 71 has a frame structure straddling the magnetic attraction portion 64 as shown in FIG. 3, for example.
- the magnetic attraction part 64 shown here has a magnet 74 that can be used as a permanent magnet at the tip of the screw rod 75 with the cylinder 74 disposed inside the cylindrical housing 73.
- the magnet 76 is substantially aligned with the lower surface of the leaf spring 72 in the advanced position as shown in the drawing of the piston rod 75, and the steel cord is formed.
- the main ribbon piece 33 is sucked and held.
- the magnet 76 separates from the ribbon piece 33 and releases the ribbon piece 33.
- the ribbon piece 3 3 is lifted together with the magnetic attraction portion 6 4 to be conveyed onto the outer peripheral surface of the rigid core 13, and the ribbon piece 3 3 and the leaf spring 7 2 are respectively moved to the wrist 6 2 of the manipulator 6 1 Based on the operation of, the inclination angle is set as expected with respect to the equator line of the rigid core 13 at the predetermined rotation position.
- the lifting arm 66 of the manipulator 61 is displaced downward, and the ribbon piece 33 comes into contact with the outer peripheral surface of the core, causing the pressing mechanism 63 to deform as shown in FIG.
- the ribbon piece 33 is pressed by a leaf spring 72 of the pressing mechanism 63, which functions like a wiper blade, etc., along a curved surface of the core outer peripheral surface with a sufficiently uniform downward force.
- the ribbon piece 33 is attached to the outer peripheral surface of the core. In this case, it should be considered that the bending deformation of the leaf spring 72 along the outer peripheral surface of the core is performed based on the relative rotation of the lever yoke 71 around the hinge connection portion to the leaf spring 72.
- the other end of the lever yoke 71 is hingedly connected to the cylindrical housing 73 of the magnetic attraction part 64, whereby the leaf spring 72 is It is also possible to adopt a configuration in which it is indirectly connected to the lever yoke 71 via the magnetic attraction portion 64, and also with this configuration, the entire pressing mechanism including the magnetic attraction portion 64 is like a wiper blade. Under the smooth deformation along the outer surface of the core of the leaf spring 72, the ribbon piece 33 held there is applied to the outer surface of the core with a sufficiently uniform downward force at each part in the length direction of the ribbon. Can be pressed.
- FIG. 6 is a schematic diagram showing the operation of the transfer / pasting means 60 when the transfer mode of the ribbon piece is changed, and the ribbon piece 33 is substantially orthogonal to the center axis of the rigid core 13. This is for the case of transporting in the direction.
- the ribbon pieces 33 must be stuck on the outer peripheral surface of the core in a required posture by first attaching the ribbon pieces 33 conveyed to the vicinity of the rigid core 13 by the magnetic adsorption part 6. Then, the ribbon piece 33 is moved horizontally by the manipulator 61 almost in parallel to the outer peripheral surface of the rigid core 13, and the operation of the wrist 62 of the manipulator 61 is performed. The extension direction of the ribbon piece 33 held by suction is set to the required inclination direction with respect to the equator line of the rigid core 13, and then the lifting arm 66 is displaced downward.
- the ribbon piece 33 is deformed along the outer peripheral surface of the core under the action of the pressing mechanism 63, and is pressed evenly on the outer peripheral surface of the core over its entire length. Attach the ribbon piece 3 3 as intended. Carried out by. Thereafter, a predetermined amount of rotational displacement of the rigid core 13 is brought about, so that the same attaching operation as described above is repeated.
- the mounting position and the number of the magnetic attraction portions 64 to the pressing mechanism portion 63 are within a range where the magnetic attraction portions 64 do not cause unnecessary large bending deformation of the leaf springs 72 as required.
- the magnetic attraction portions 64 do not cause unnecessary large bending deformation of the leaf springs 72 as required.
- five or more magnetic attraction portions 64 are arranged at equal intervals on a leaf spring 72 as shown in FIG.
- FIG. 7 shows, as an example, a case in which a lever yoke is provided in two stages, in which a pair of levers 70 is hingedly connected to a pair of levers 70.
- each lever yoke 71 is further hinged to each pair of lever yokes 77 of the second stage, and the other end of each of these lever yokes 77 is connected to a leaf spring 72. They are interconnected. According to this, the entire length of the pressing mechanism 63 can be increased by an amount corresponding to the addition of the lever yoke 77 of the second stage, and the magnetic attraction is made in accordance with the increase in the length.
- the number of parts 64 can be increased.
- each of the ribbon pieces 33 is placed on the outer peripheral surface of the core under the action of the pressing mechanism 63 so as to be sufficiently uniformly downward over the entire length thereof.
- the ribbon pieces 33 can be more appropriately affixed, and in particular, by performing the affixing with only the operation control of one manipulator 61, the working speed can be further improved. Speed can be realized.
- the tire reinforcing layer can be formed on the outer peripheral surface of the rigid core with high work efficiency.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE69812900T DE69812900T2 (de) | 1997-10-03 | 1998-10-02 | Gerät zum formen einer reifenverstärkungslage. |
| US09/308,996 US6355126B1 (en) | 1997-10-03 | 1998-10-02 | Method and apparatus for forming tire reinforcing layer |
| JP51537299A JP4315476B2 (ja) | 1997-10-03 | 1998-10-02 | タイヤ補強層の形成方法および装置 |
| EP98945592A EP0956940B1 (en) | 1997-10-03 | 1998-10-02 | Apparatus for forming a tire reinforcing layer. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9/287772 | 1997-10-03 | ||
| JP28777297 | 1997-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1999017920A1 true WO1999017920A1 (fr) | 1999-04-15 |
Family
ID=17721558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1998/004464 Ceased WO1999017920A1 (fr) | 1997-10-03 | 1998-10-02 | Procede et appareil pour former une couche de renfort d'un pneu |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6355126B1 (ja) |
| EP (1) | EP0956940B1 (ja) |
| JP (1) | JP4315476B2 (ja) |
| DE (1) | DE69812900T2 (ja) |
| ES (1) | ES2195390T3 (ja) |
| WO (1) | WO1999017920A1 (ja) |
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| JP2005528258A (ja) * | 2002-06-03 | 2005-09-22 | ソシエテ ドゥ テクノロジー ミシュラン | 容積制御でタイヤ補強構造物を製造する方法 |
| JP2004009311A (ja) * | 2002-06-03 | 2004-01-15 | Yokohama Rubber Co Ltd:The | 帯状ゴム部材の製造方法 |
| JP2004017498A (ja) * | 2002-06-17 | 2004-01-22 | Sumitomo Rubber Ind Ltd | ストリップ片接合体製造方法、及びそれに用いるストリップ片接合体製造装置 |
| JP2005186325A (ja) * | 2003-12-24 | 2005-07-14 | Sumitomo Rubber Ind Ltd | タイヤ用のコードプライ及びタイヤの製造方法 |
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| JP2012511451A (ja) * | 2008-12-11 | 2012-05-24 | ピレリ・タイヤ・ソチエタ・ペル・アツィオーニ | 車両車輪用タイヤの製造方法及び装置 |
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| JP2014500165A (ja) * | 2010-11-18 | 2014-01-09 | ピレリ・タイヤ・ソチエタ・ペル・アツィオーニ | 車両用車輪のタイヤを成形するための方法および装置 |
| KR20140024246A (ko) * | 2010-11-18 | 2014-02-28 | 피렐리 타이어 소시에떼 퍼 아찌오니 | 차륜용 타이어들을 제조하는 공정 및 장치 |
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| JP2012171183A (ja) * | 2011-02-21 | 2012-09-10 | Sumitomo Rubber Ind Ltd | 空気入りタイヤの製造方法 |
| JP2013000959A (ja) * | 2011-06-15 | 2013-01-07 | Sumitomo Rubber Ind Ltd | タイヤ用プライ材料の製造装置 |
| JP2018505082A (ja) * | 2015-02-06 | 2018-02-22 | ザ スティーラスティック カンパニー リミテッド ライアビリティ カンパニー | ベルト形成装置及びベルトの少なくとも一部分を製造する方法 |
| US10773409B2 (en) | 2016-12-23 | 2020-09-15 | Vmi Holland B.V. | Cutting device and method for cutting-off a length of a continuous strip to form a tire component |
| JP2019506310A (ja) * | 2016-12-23 | 2019-03-07 | ヴェーエムイー ホーランド ベー. ヴェー.Vmi Holland B. V. | 連続ストリップの長さを切断してタイヤ構成部材を形成する切断装置および方法 |
| WO2019159491A1 (ja) * | 2018-02-16 | 2019-08-22 | 横浜ゴム株式会社 | タイヤの製造方法 |
| JP2019142040A (ja) * | 2018-02-16 | 2019-08-29 | 横浜ゴム株式会社 | タイヤの製造方法 |
| US11794431B2 (en) | 2018-02-16 | 2023-10-24 | The Yokohama Rubber Co., Ltd. | Method for manufacturing tire |
| WO2022185622A1 (ja) * | 2021-03-04 | 2022-09-09 | 横浜ゴム株式会社 | タイヤの製造方法および成形装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0956940A4 (en) | 2000-12-06 |
| ES2195390T3 (es) | 2003-12-01 |
| EP0956940A1 (en) | 1999-11-17 |
| JP4315476B2 (ja) | 2009-08-19 |
| DE69812900T2 (de) | 2004-02-26 |
| DE69812900D1 (de) | 2003-05-08 |
| US6355126B1 (en) | 2002-03-12 |
| EP0956940B1 (en) | 2003-04-02 |
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