WO2005115731A1 - ビード成形方法および装置 - Google Patents
ビード成形方法および装置 Download PDFInfo
- Publication number
- WO2005115731A1 WO2005115731A1 PCT/JP2005/008977 JP2005008977W WO2005115731A1 WO 2005115731 A1 WO2005115731 A1 WO 2005115731A1 JP 2005008977 W JP2005008977 W JP 2005008977W WO 2005115731 A1 WO2005115731 A1 WO 2005115731A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bead
- shaped
- arc
- fan
- bead forming
- Prior art date
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)
- B29D30/48—Bead-rings or bead-cores; Treatment thereof prior to building the tyre
-
- 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)
- B29D30/48—Bead-rings or bead-cores; Treatment thereof prior to building the tyre
- B29D2030/487—Forming devices for manufacturing the beads
Definitions
- the present invention relates to a bead forming method and apparatus capable of forming beads having different widths.
- Patent Document 1 As a conventional bead forming method 'apparatus, for example, one described in Patent Document 1 is known.
- This ring has a ring shape as a whole and is divided into a plurality of pieces in the circumferential direction, and a plurality of forming rings each having different types of bead forming annular grooves formed on the outer circumference are connected to each other while maintaining a coaxial relationship with each other.
- a bead element of a predetermined type is formed by spirally winding a bead element a plurality of times in an annular groove of a shaping ring.
- the forming ring when a type of bead (a bead having a different diameter, width, or the like) that cannot be formed by the currently mounted forming ring is formed, the forming ring must be of a corresponding type. After that, the bead element is supplied to the annular groove while rotating the forming ring assembly, and the bead element is spirally wound in the annular groove a plurality of times to form a desired type of bead.
- Teta Teta
- Patent Document 1 JP-A-10-86241
- Such an object is firstly achieved by dividing each sector segment into a plurality of sector segments which are arranged around the main shaft in the circumferential direction and are provided with one side wall of a bead forming groove on the outer periphery.
- the fan-shaped segment and the arc-shaped body are synchronously moved inward in the radial direction by means, and a bead forming groove force can be obtained by a step of taking out the formed bead.
- a plurality of fan-shaped segments which are rotatable around the axis, are arranged around the main shaft in a circumferential direction, and are provided with one side wall of a bead forming groove on the outer periphery,
- Moving means for synchronously moving the fan-shaped segments in the radial direction, an arc-shaped body which is supported movably in the axial direction outside each of the fan-shaped segments, and is provided with another side wall of the bead forming groove on the outer periphery;
- the present invention can be achieved by a bead forming apparatus configured to form a bead by feeding the bead forming groove and spirally winding it a plurality of times.
- the arc-shaped body provided with the other side wall of the bead forming groove is supported outside the plurality of fan-shaped segments provided with one side wall of the bead forming groove, and the arc-shaped body is changed by the changing means to the shaft.
- the gap between one side of the bead forming groove and the distance between the other side walls was changed.
- the fan-shaped segment was replaced. It is easy to change the groove width of the bead forming groove without doing As a result, the work of switching to beads having different widths can be performed in a short time and easily, and the work efficiency can be improved.
- a plurality of types of beads having different diameters can be easily formed only by changing the stop positions of the fan-shaped segment and the arc-shaped body by the moving means.
- the arc-shaped body can be moved with high accuracy while having a simple structure.
- FIG. 1 is a schematic plan view showing an embodiment of the present invention.
- FIG. 2 is a front sectional view near a fan-shaped segment.
- FIG. 3 is an enlarged front sectional view near a bead forming groove.
- FIG. 4 is a cross-sectional view taken along the line II of FIG. 3.
- FIG. 5 is a cross-sectional development view taken along the line II-II of FIG.
- FIG. 6 is a front sectional view similar to FIG. 2, showing a state where the fan-shaped segment is located at a second radially outer position.
- reference numeral 11 denotes a horizontal main shaft having a hollow cylindrical shape, and the main shaft 11 is rotatable around its axis by a plurality of bearings 12 mounted on a fixed frame (not shown). Supported.
- Reference numeral 13 denotes a toothed pulley fixed to the base end of the main shaft 11, and reference numeral 14 denotes a driving motor as driving means supported by the fixed frame.
- a toothed belt 17 is stretched between the toothed pulley 13 and the toothed pulley 16 fixed to the output shaft 15 of the drive motor 14, so that the drive motor 14 is required.
- a central holder 20 and a distal holder 21 are fixed to the outer periphery of the central portion and the distal end of the main shaft 11 in the axial direction, respectively, and the outer ends of the central and distal holders 20, 21 in the radial direction are fixed.
- a plurality of, here 16 slide bearings 22 and 23, which are equiangularly spaced apart in the circumferential direction, are mounted on the axially inner surfaces facing each other.
- Numeral 24 denotes a plurality of (same number as the slide bearings 22 and 23) sector segments. These sector segments 24 are arranged at equal angles in the circumferential direction around the main shaft 11 between the center side and the tip side holders 20 and 21 in the circumferential direction. Have been.
- the fan-shaped segments 24 are equidistant from the axis of the main shaft 11 in the radial direction, and as a result, the fan-shaped segments 24 have a cylindrical shape as a whole.
- Guide rails 26, 27 extending in the radial direction are respectively laid on the center side of each sector-shaped segment 24 and on both outer side surfaces in the axial direction facing the tip side holders 20, 21, and these guide rails 26, 27 are respectively provided.
- the slidable engagement with the slide bearings 22, 23 allows the sector segments 24 to move radially without the force guided by the slide bearings 22, 23 and the guide rails 26, 27.
- Reference numeral 28 denotes a substantially cylindrical slider which is axially movably fitted to the outer periphery of the main shaft 11 between the center side holder 20 and the distal end side holder 21.
- the slider 28 has a pair of axially separated sliders. Conical portions 28a and 28b having a truncated cone shape are provided.
- the conical portions 28a and 28b are tapered toward the distal end in accordance with the directional force, and a plurality of (the same number as the fan-shaped segments 24) guide rails 29a, 29b are each laid.
- these guide rails 29a and 29b extend linearly in a plane including the axis of the main shaft 11, and as a result, these guide rails 29a and 29b move in the radial Incline to approach the inside.
- Two slide bearings 31a and 31b are fixed to the inner periphery of each sector segment 24 apart in the axial direction, and these slide bearings 31a and 31b are slidable on the guide rails 29a and 29b, respectively. Engage.
- Reference numeral 34 denotes a ball screw shaft which is loosely fitted in the main shaft 11 and is coaxial with the main shaft 11.
- the ball screw shaft 34 is supported by a plurality of bearings 35 so as to be able to rotate relative to the main shaft 11.
- a male screw portion 33 is provided on the outer periphery of the central portion in the axial direction of the ball screw shaft 34, and a cylindrical screw block 36 housed in the main shaft 11 is screwed to the male screw portion 33.
- Reference numeral 37 denotes a plurality of connecting members for connecting the slider 28 and the screw block 36. These connecting members 37 pass through a plurality of elongated holes 38 formed in the main shaft 11 and extending in the axial direction.
- Reference numeral 40 denotes a toothed pulley fixed to the base end of the protruding ball screw shaft 34 of the main shaft 11.
- the toothed pulley 40 is fixed to the output shaft 42 of the differential reduction gear 41.
- a toothed belt 44 is stretched between the toothed bulge 43 and the toothed belt 43.
- the rotational drive force is transmitted from the drive motor 45 to the differential reducer 41, and the differential reducer 41 and the drive motor 45 are mounted on the fixed frame.
- the drive motor 45 operates and stops as necessary to rotate and stop the ball screw shaft 34 while the rotation of the main shaft 11 is stopped, and moves the fan-shaped segment 24 in the radial direction.
- there are two different radial outer positions here a first radial outer position A shown by a solid line in FIG. 2 and a second radial outer position B shown by a solid line in FIG. Stop at different radial outer positions and one radial inner position C indicated by phantom lines in FIG.
- the drive motor 45 When the main shaft 11 is rotated by the operation of the drive motor 14, the drive motor 45 operates in synchronization with the drive motor 14 to move the ball screw shaft 34 in the same direction as the main shaft 11. By rotating at the rotation speed, the relative rotation between the ball screw shaft 34 and the main shaft 11 is prevented, and the situation where the sector 24 moves in the radial direction is prevented.
- a moving means 46 for synchronously moving the arc-shaped members integrally in the radial direction is constituted.
- the fan-shaped segment 24 has a plurality of different diameters, here, a large diameter portion 48, an intermediate diameter portion 49, and a small diameter portion 50.
- the small-diameter portions 50 are sequentially arranged so as to face the proximal end of the sector segment 24 and the distal end.
- Reference numeral 51 denotes an arc-shaped body that is supported on the outside of each fan-shaped segment 24 so as to be movable in the axial direction and is formed of a plate bent in an arc shape.
- the circumferential length of the arc-shaped body 51 is the circumferential length of the outer circumference of the fan-shaped segment 24. And substantially the same.
- the arc-shaped body 51 also has a plurality of different diameters like the sector-shaped segment 24, here, three radial partial forces of a large-diameter portion 52, an intermediate-diameter portion 53, and a small-diameter portion 54.
- the inner circumferences of the large diameter portion 52, the intermediate diameter portion 53, and the small diameter portion 54 are formed in the large diameter portion 48, the intermediate diameter portion 49 of the sector segment 24. , Making surface contact with the outer periphery of the small diameter portion 50!
- a plurality of pairs, here four pairs of rectangular grooves 57 are provided at both ends in the circumferential direction of the large-diameter portion 52, the intermediate-diameter portion 53, and the small-diameter portion 54 of the arc-shaped body 51.
- 58, 59, 60 are formed, and these rectangular grooves 57, 58, 59, 60 are axially separated.
- Numerals 61, 62, 63, and 64 denote arc-shaped side walls that constitute one side wall of the bead forming groove.
- the inner circumference of each of the side wall bodies 61, 62, 63, and 64 has a radius at both ends in the circumferential direction.
- a pair of fixed legs 65 projecting inward in the direction are provided.
- the fixed legs 65 of the one-side wall members 61, 62, 63, 64 have rectangular grooves 57, 58, 59, formed in the large-diameter portion 52, the intermediate-diameter portion 53, and the small-diameter portion 54, respectively. It is attached to the fan-shaped segment 24 by being inserted into 60 and fixed to the outer periphery of the fan-shaped segment 24.
- the outer periphery of the sector segment 24, here, the outer periphery of the large-diameter portion 48, the intermediate-diameter portion 49, and the outer periphery of the small-diameter portion 50 having different diameters respectively have one side wall of the bead forming groove (one side wall member 61, 62, 63, 64 ) Is provided.
- the axial thickness of the fixed leg 65 is smaller than the axial width of the rectangular grooves 57, 58, 59, and 60 by the distance L.
- the arc-shaped body 51 is allowed to move axially by the distance L. .
- the side wall members 61, 63 are inclined inward in the radial direction as the side surfaces on the distal end side are directed toward the distal end side. As a result, the one side wall members 61, 63 have a hexagonal flat bead in cross section. Used for wire molding.
- the one side wall bodies 62 and 64 have their tip side surfaces extending substantially in the radial direction. As a result, these one side wall bodies 62 and 64 are used for forming a bead having a square cross section.
- arc-shaped other side wall members 68, 69, 70, 71 constituting other side walls of the bead forming groove are provided on the outer periphery of the large diameter portion 52, the intermediate diameter portion 53, and the small diameter portion 54, respectively.
- the other side walls 68, 69, 70, 71 are disposed on the tip side a little distance from the one side walls 61, 62, 63, 64.
- the other side wall bodies 68, 70 are inclined inward in the radial direction as the base side faces toward the base end side. As a result, the other side wall bodies 68, 70 are connected to the one side wall bodies 61, 63.
- a pair of bead forming grooves 72 for forming a flat bead having a hexagonal cross section is formed by the outer periphery of the arc-shaped body 51 and the arc-shaped body 51 therebetween.
- the other side wall bodies 69 and 71 have their base side surfaces extending substantially in the radial direction. As a result, the other side wall bodies 69 and 71 are connected to the one side wall bodies 62 and 64 and the space between them.
- the outer periphery of the arc-shaped body 51 defines a pair of bead forming grooves 73 for forming a bead having a rectangular cross section.
- the sector segment 24 and the arc-shaped body 51 are divided into a plurality of diameter portions having different diameters, the large-diameter portion 48, the intermediate-diameter portion 49, and the small-diameter portion 50 in the sector-shaped segment 24, and the large-diameter portion 52 and the middle If the bead D is formed by forming bead forming grooves 72 and 73 in each diameter part and forming the bead D with a diameter 53 and a small diameter part 54, a fan-shaped The segment 24 can be easily formed without exchanging the arc-shaped body 51.
- the hexagonal bead is formed on the large-diameter portion 48, the intermediate-diameter portion 49, the small-diameter portion 50, and the large-diameter portion 52, the intermediate-diameter portion 53, and the small-diameter portion 54 of the arc-shaped body 51, respectively.
- At least one pair of the side walls 61 and 63 and the other side walls 68 and 70 for molding and the one side wall 62 and 64, the other side wall 69 and the other side wall 71 for square bead forming are separated in the axial direction, respectively. Since the hexagonal bead and the square bead forming a pair are formed at the same time, the pair of beads D required for manufacturing a pneumatic tire can be formed simultaneously and easily.
- the 20-inch bead D is formed by the bead forming grooves 72 and 73 of the large-diameter portions 48 and 52.
- reference numeral 76 denotes a support attached to the outer periphery of the base end of each sector segment 24.
- the support 76 can slide a central portion of a connecting rod 77 extending in the axial direction. Is inserted in the The distal ends of these connecting rods 77 are connected to the base end of each arc-shaped body 51, while a slide bearing 78 is fixed to the base end.
- Reference numeral 79 denotes a transmission plate which is provided near the base end side of the slide bearing 78 and has a flange shape coaxial with the main shaft 11.
- the slide plate 78 extends radially on the distal end surface of the transmission plate 79 so that the slide bearing 78 can slide.
- a plurality of (the same number as the slide bearings 78) laying guide rails 80 to be engaged are laid at equal angular intervals in the circumferential direction.
- a plurality of arc-shaped inclined members 83 are fixed to the inner periphery of the transmission plate 79 at equal angular intervals in the circumferential direction, and the inner periphery of the inclined members 83 is slidably engaged with the outer periphery of the central holder 20. are doing.
- the axial end surfaces of these inclined members 83 here, the axial base end surface, are slightly inclined with respect to the circumferential direction so as to approach the base end side toward one side in the circumferential direction (the direction of the arrow in FIG. 5). It is 81.
- the connecting rod 77, the slide bearing 78, the transmission plate 79, the guide rail 80, and the inclined member 83 described above are connected to the respective arc-shaped members 51 as a whole so as to be able to move integrally in the axial direction.
- the moving body 82 is slightly inclined with respect to the circumferential direction.
- [0032] 85 is loosely fitted to the outside of the main shaft 11 and rotatably supported on the main shaft 11 via a bearing 86.
- the rotating body 85 is provided on the base end side of the center side holder 20.
- An outer peripheral flange 87 is formed on the outer periphery of the tip of the rotating body 85, and a ring-shaped inclined ring 88 is fixed to the outer periphery of the outer peripheral flange 87.
- a plurality of inclined surfaces 89 inclined in parallel (in the same direction and at the same angle) to the inclined surface 81 are formed on the axial end surface of the inclined ring 88, here the axial end surface, and these inclined surfaces 89 are inclined members.
- the inclined surface 81 of the inclined member 83 is urged by a spring 91 interposed between the support body 76 and the slide bearing 78 and surrounding the connecting rod 77, and pressed against the corresponding inclined surface 89 of the inclined ring 88. And then come into surface contact.
- the rotating body 85 and the inclined ring 88 described above are rotatably supported by the main shaft 11 as a whole, and have an inclined surface 89 which is inclined parallel to the inclined surface 81 of the moving body 82.
- the inclined surface 89 is in surface contact with the inclined surface 81 to form a ring body 90.
- Reference numeral 93 denotes a fixed block fixed to the outer periphery of the rotating body 85.
- a stop recess 94 is formed on the outer surface of the fixed block 93.
- Reference numeral 95 denotes a cylinder attached to the fixed frame. At the tip of a piston rod 96 of the cylinder 95, a lock piece 97 inserted into the stop recess 94 when the piston rod 96 projects is fixed.
- the above-described fixed block 93, cylinder 95, and lock piece 97 constitute a stop mechanism 98 that stops the rotation by applying a braking force to the ring body 90 as a whole.
- the drive motor 14 is operated to rotate the main shaft 11, the sector segment 24, the arc-shaped body 51, and the moving body 82 integrally.
- the moving body 82 and the arc-shaped body 51 move in the axial direction by the wedge action of the moving body 82 and the inclined surfaces 81 and 89 of the ring body 90, so that the other side wall bodies 68, 69, 70, and 71 become the-side wall body 61,
- the width of the bead forming grooves 72 and 73 is changed by approaching and separating from 62, 63 and 64.
- the above-described moving body 82, ring body 90, and stop mechanism 98 move the arc-shaped body 51 in the axial direction with respect to the sector segment 24 as a whole, and change and determine the groove width of the bead forming grooves 72, 73.
- the changing means 99 is configured. If the changing means 99 is composed of the moving body 82, the ring body 90, and the stop mechanism 98 in this manner, the arc-shaped body 51 can be formed with high precision, for example, with a simple structure.
- the beads D can be easily moved in the axial direction with an accuracy of 0.1 mm, so that beads D having different widths (different number of winding rows of the bead elements S) can be easily formed.
- Reference numeral 101 denotes a single pin block fixed to the base end surface of the outer peripheral flange 87.
- a lock pin 102 extending in the axial direction is inserted into the pin block 101 and the outer peripheral flange 87 so as to be movable in the axial direction.
- Reference numeral 103 denotes an arc-shaped lock block fixed to a radially outer end of the center-side holder 20.
- the lock block 103 has a plurality of circumferentially spaced pin holes 104 formed therein.
- the fan-shaped segment 24 is located at the first radially outer position A, the arc-shaped body 51 moves to the base end side, and the groove width of the bead forming grooves 72 and 73 is narrow, and the lock pin 102 is It is assumed that the ring body 90 is inserted into the pin hole 104 and locked by the moving body 82.
- the drive motor 14 is operated to transmit the rotation driving force to the main shaft 11 via the toothed pulley 16, the toothed belt 17, and the toothed pulley 13, the main shaft 11 is rotated by the fan-shaped segment 24, the arc-shaped body 51, It rotates around the axis together with the change means 99.
- the bead element S which also has a force such as a steel wire and a single filament, is supplied to the bead forming grooves 72 or 73, here, a pair of bead forming grooves 72 formed in the intermediate diameter portions 49 and 53, respectively. Then, the bead element S is spirally and densely wound a plurality of times in the bead forming groove 72, and a pair of beads D having a hexagonal cross section of 18 inches is simultaneously formed.
- the drive motor 45 also operates at the same time as the drive motor 14 described above, and the rotational driving force is transmitted via the differential reducer 41, the toothed pulley 43, the toothed belt 44, and the toothed pulley 40.
- the axial position of the slider 28 with respect to the main shaft 11 is constant, the sector segment 24 and the arc-shaped body 51 do not move in the radial direction, and the shape of the bead D is not disturbed. Absent.
- the bead D is shown in the drawing.
- the drive motor 45 is operated with the rotation of the main shaft 11 stopped. And rotate the ball screw shaft 34.
- the screw block 36 and the slider 28 are moved toward the proximal end by the screw action.
- the formed bead D is taken out of the bead forming groove 72 by the gripping and conveying means, and is conveyed to the next step.
- the drive motors 14 and 45 operate to return the fan-shaped segment 24 and the arc-shaped body 51 to the first radially outer position A
- the spindle 11 rotates again and the bead element S is supplied to the bead forming groove 72.
- the paired beads D are formed as described above. Thereafter, the same operation as described above is repeated, and beads D are formed one after another.
- the lock pin 102 is moved to the base end side and pulled out from the pin hole 104 to form a ring.
- the cylinder 95 of the changing means 99 is operated to project the piston rod 96, and the lock piece 97 is inserted into the stop recess 94.
- a braking force is applied from the cylinder 95 to the ring body 90, and the ring body 90 is locked.
- the drive motor 14 is operated to rotate the main shaft 11, the fan-shaped segment 24, the arc-shaped body 51, and the moving body 82 integrally, thereby moving the inclined member 83 in the other circumferential direction (the direction opposite to the arrow in FIG. 5).
- the moving body 82 and the arc-shaped body 51 move toward the distal end in the axial direction due to the wedge action of the inclined surfaces 81 and 89 of the moving body 82 and the ring body 90, and the other side wall bodies 68, 69, 70, 71
- the side walls 61, 62, 63, 64 are spaced apart, and the distance between the other side walls 68, 69, 70, 71 and one side wall 61, 62, 63, 64, i.e., the bead forming groove 72, The groove width of 73 becomes wider.
- the groove width of the bead forming grooves 72 and 73 can be easily changed only by moving the arc-shaped body 51 in the axial direction without replacing the sector segment 24, and as a result, the beads D having different widths can be obtained.
- the switching work can be performed in a short time and easily, and the work efficiency can be improved.
- the width of the bead forming grooves 72 and 73 can be adjusted in diameter units of the bead element S.
- the lock pin 102 is moved to the distal end side and inserted into the pin hole 104 to connect the ring body 90 to the main shaft 11 and the moving body 82, and to retract the piston rod 96 of the cylinder 95 to lock it. Stop the dent 97 and remove 94 force.
- the bead element S is supplied to the bead forming groove 72 of the intermediate diameter portions 49 and 53 while the main shaft 11, the sector segment 24, and the arc-shaped body 51 are integrally rotated, and the bead element S is placed in the bead forming groove 72.
- a bead D (square) having the same cross-sectional shape as the diameter of 8 inches but having a different cross-sectional shape from the above is formed by forming the bead element S while rotating the main shaft 11 into the bead forming grooves 73 of the intermediate diameter portions 49 and 53.
- the bead D having a diameter of 0 inch and a hexagonal cross section is supplied by supplying the bead element S to the bead forming groove 72 of the large diameter portions 48 and 52 while rotating the main shaft 11.
- a bead D having a diameter of 20 inches and a rectangular cross section can be formed by supplying the bead element S to the bead forming grooves 73 of the large diameter portions 48 and 52 while rotating the main shaft 11.
- a bead D having a diameter of 16 inches and a hexagonal cross-sectional shape is obtained by supplying the bead element S to the bead forming groove 72 of the small-diameter portions 50 and 54 while rotating the main shaft 11.
- a bead D having a diameter of 16 inches and a square cross section can be easily formed by supplying the bead element S to the bead forming grooves 73 of the small diameter portions 50 and 54 while rotating the main shaft 11.
- the drive motor 45 When the diameter of the bead D to be formed is changed to 15, 17, or 19 inches, the drive motor 45 is operated to rotate the ball screw shaft 34 while the rotation of the main shaft 11 is stopped. As a result, the screw block 36 and the slider 28 move to the proximal end side by the screw action. At this time, the slide bearings 31a and 31b of the sector segment 24 are engaged with the inclined guide rails 29a and 29b. Segment 24, arc 51 moves synchronously inward in the radial direction. Then, as shown in FIG. 6, when the fan-shaped segment 24 and the arc-shaped body 51 move radially inward to the second radially outer position B, the operation of the drive motor 45 is stopped.
- the bead element S is supplied to one of the bead forming grooves 72 and 73 and wound spirally while rotating the main shaft 11 in the same manner as described above.
- 72 and 73 have a 19-inch bead D force.
- Middle diameter 49 and 53 bead forming grooves 72 and 73 have a 17-inch bead D and small-diameter portions 50 and 54 have a bead forming groove 72 and 73.
- An inch bead D is formed.
- the fan-shaped segment 24 and the arc-shaped body 51 are moved in the radial direction using the inclined guide rails 29a and 29b and the slide bearings 31a and 31b.
- the slider 28 and the fan-shaped segment 24 are connected by a parallel link, and the slider 28 is moved in the axial direction to tilt the parallel link so that the fan-shaped segment 24 and the arc-shaped body 51 are moved in the radial direction. You may make it move.
- the large-diameter portion 48, the intermediate-diameter portion 49, and the small-diameter portion 50 of the fan-shaped segment 24 are formed, and the large-diameter portion 52 and the intermediate-diameter portion 53 of the arc-shaped body 51 are formed.
- the small diameter portion 54 is formed as a body, in the present invention, it may be divided into these three diameter portions and fastened to each other by fastening means such as a bolt. In this case, by exchanging one of the diameter portions as necessary, it is possible to cope with the formation of more types of beads D.
- the present invention is applicable to the industrial field of molding beads for pneumatic tires.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05741147A EP1754593B1 (en) | 2004-05-28 | 2005-05-17 | Method and device for forming bead |
US11/597,405 US7976661B2 (en) | 2004-05-28 | 2005-05-17 | Bead member forming method and apparatus |
DE602005020277T DE602005020277D1 (de) | 2004-05-28 | 2005-05-17 | Verfahren und vorrichtung zum formen einer wulst |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-158723 | 2004-05-28 | ||
JP2004158723A JP4278565B2 (ja) | 2004-05-28 | 2004-05-28 | ビード成形方法および装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005115731A1 true WO2005115731A1 (ja) | 2005-12-08 |
Family
ID=35450730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/008977 WO2005115731A1 (ja) | 2004-05-28 | 2005-05-17 | ビード成形方法および装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7976661B2 (ja) |
EP (1) | EP1754593B1 (ja) |
JP (1) | JP4278565B2 (ja) |
DE (1) | DE602005020277D1 (ja) |
WO (1) | WO2005115731A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101058341B1 (ko) * | 2009-06-09 | 2011-08-22 | (주)지이씨 | 용접 비드성형부를 구비한 대형 파이프 양단 정렬장치 |
NL2008028C2 (nl) * | 2011-12-23 | 2013-06-26 | Vmi Holland Bv | Samenstel van een hieldraadbundel vervaardigingsinrichting en een gereedschap. |
KR101425538B1 (ko) | 2012-09-27 | 2014-07-31 | 한국타이어 주식회사 | 타이어용 비드 성형장치 |
US10457007B2 (en) | 2015-10-14 | 2019-10-29 | Bartell Machinery Systems, L.L.C. | Multi-step bead former |
WO2017066391A1 (en) * | 2015-10-14 | 2017-04-20 | Bartell Machinery Systems, L.L.C. | Tire bead former |
JP6855694B2 (ja) * | 2016-07-08 | 2021-04-07 | 住友ゴム工業株式会社 | ビードコア形成用フォーマ |
JP6801285B2 (ja) * | 2016-08-08 | 2020-12-16 | 住友ゴム工業株式会社 | ビードコア製造装置 |
JP6993872B2 (ja) * | 2017-12-28 | 2022-01-14 | Toyo Tire株式会社 | タイヤ用ベルトの製造方法 |
EP4263197A1 (de) * | 2020-12-15 | 2023-10-25 | Continental Reifen Deutschland GmbH | Drahtkern einer wulstringanordnung in einem fahrzeugluftreifen und vorrichtung zur herstellung desselben |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09267410A (ja) * | 1996-04-02 | 1997-10-14 | Tokyo Seiko Co Ltd | ビード成形機および線状体巻回装置 |
JPH1086241A (ja) * | 1996-09-13 | 1998-04-07 | Bridgestone Corp | ビードリング成形装置 |
JP2000334858A (ja) * | 1999-05-26 | 2000-12-05 | Bridgestone Corp | 巻取りフォーマ |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1821161A (en) * | 1930-03-18 | 1931-09-01 | Mason Tire & Rubber Corp | Bead forming machine |
US3051221A (en) * | 1958-11-24 | 1962-08-28 | Nat Standard Co | Former for bead building machines or the like |
ZA711486B (en) * | 1970-03-12 | 1972-03-29 | Nat Standard Co | Improvements in the manufacture of bead wires for tyres |
ZA713346B (en) * | 1970-06-01 | 1972-01-26 | Nat Standard Co | Apparatus for manufacturing annular beads |
US4496411A (en) * | 1982-09-27 | 1985-01-29 | The Goodyear Tire & Rubber Company | Bead jamming or crimping method |
US5141033A (en) * | 1987-12-08 | 1992-08-25 | National-Standard Company | Rubberless tire bead assemblies and methods of making same |
US5603799A (en) * | 1993-08-13 | 1997-02-18 | Bartell Machinery Systems Corp. | Insert for use with a tire bead forming apparatus |
GB2325200A (en) * | 1997-05-12 | 1998-11-18 | A R T | A method of and apparatus for producing at least two single wire tyre beads |
-
2004
- 2004-05-28 JP JP2004158723A patent/JP4278565B2/ja not_active Expired - Fee Related
-
2005
- 2005-05-17 DE DE602005020277T patent/DE602005020277D1/de active Active
- 2005-05-17 WO PCT/JP2005/008977 patent/WO2005115731A1/ja active Application Filing
- 2005-05-17 US US11/597,405 patent/US7976661B2/en not_active Expired - Fee Related
- 2005-05-17 EP EP05741147A patent/EP1754593B1/en not_active Ceased
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09267410A (ja) * | 1996-04-02 | 1997-10-14 | Tokyo Seiko Co Ltd | ビード成形機および線状体巻回装置 |
JPH1086241A (ja) * | 1996-09-13 | 1998-04-07 | Bridgestone Corp | ビードリング成形装置 |
JP2000334858A (ja) * | 1999-05-26 | 2000-12-05 | Bridgestone Corp | 巻取りフォーマ |
Non-Patent Citations (1)
Title |
---|
See also references of EP1754593A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP1754593A4 (en) | 2008-01-02 |
US20080066851A1 (en) | 2008-03-20 |
DE602005020277D1 (de) | 2010-05-12 |
JP4278565B2 (ja) | 2009-06-17 |
EP1754593B1 (en) | 2010-03-31 |
JP2005335263A (ja) | 2005-12-08 |
US7976661B2 (en) | 2011-07-12 |
EP1754593A1 (en) | 2007-02-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7304387B2 (ja) | パイプ溝切デバイス | |
US2335169A (en) | Tire-making drum | |
CA2408153C (en) | Expandable mandrel having adjustable width | |
WO2005115731A1 (ja) | ビード成形方法および装置 | |
US5320701A (en) | Tire building drum | |
US4547251A (en) | Adjustable tire building drum | |
KR102205188B1 (ko) | 이동 범위가 증가된 타이어 구축 드럼 | |
WO2013153642A1 (ja) | ビードリング巻取機 | |
KR100819163B1 (ko) | 권취설비용 기계식 척 | |
JPH1086241A (ja) | ビードリング成形装置 | |
JP2009196191A (ja) | ビードコアのロック方法およびロック機構 | |
US4597728A (en) | Apparatus for the manufacture of pneumatic tires | |
JP2603913Y2 (ja) | タイヤ成形ドラム | |
JP6801285B2 (ja) | ビードコア製造装置 | |
JP2519069B2 (ja) | タイヤ成形装置 | |
JP6587524B2 (ja) | タイヤ成形装置 | |
JP4822928B2 (ja) | 成形方法及び成形装置 | |
JP4570320B2 (ja) | 環状部材の保持方法および装置 | |
JPH0318410A (ja) | 圧延成形機 | |
JP6130832B2 (ja) | 圧延機のためのロールホールダカートリッジ | |
US2413445A (en) | Tire building form | |
JP4763940B2 (ja) | タイヤのベルト層成形装置 | |
CN219338682U (zh) | 反包鼓 | |
CN116278098A (zh) | 反包鼓 | |
JP2007125579A (ja) | 成形方法及び成形装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2005741147 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: DE |
|
WWP | Wipo information: published in national office |
Ref document number: 2005741147 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 11597405 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 11597405 Country of ref document: US |