JPH1067055A - Method for bonding strip-like member and apparatus therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the damage and deformation of a strip-like member by winding the leading end part of the strip-like member around an intermediate drum so as not to generate slackening and sucking the cutting scheduled part at the position separated from the leading end part by predetermined length to hold the same to the suction part for a terminal of the outer peripheral position of the drum separate from the suction part for the leading end part. SOLUTION: A strip-like member (w) is supplied to an intermediate drum 4 capable of winding the strip-like member (w) having required length within one round or less and the leading end part of the strip-like member (w) is held by the suction part for a leading end provided to the outer peripheral part of the intermediate drum 4 and a clamp device and the strip-like member (w) is wound around the intermediate drum 4. The cutting scheduled part of the strip-like member (w) is sucked by the suction part for a terminal provided to the outer peripheral position of the drum separate from the suction part for the leading end to cut the strip-like member (w). Next, the strip-like member (w) wound around the intermediate drum 4 to be held thereto is transferred and supplied to a molding drum 7. By this constitution, a series of works up to the cutting of the strip-like member into predetermined length can be entirely automated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sticking method and a sticking apparatus used for assembling a belt-like member such as a tire member into a cylindrical shape.

[0002]

2. Description of the Related Art In a tire manufacturing process, tire components such as a carcass and a sidewall are successively attached to a rotatable forming drum to assemble a cylindrical green case serving as a tire prototype. To The tire constituent member is formed in a continuous band shape by rubber before vulcanization (hereinafter, referred to as a “band member”).
However, some of the belt-shaped members have wires or the like for reinforcement buried or not buried (that is, only rubber), or have a cross-sectional shape in the width direction that is asymmetrical (thickness is small). (Variable).

[0003]

Since the belt-shaped member is made of rubber before vulcanization, it has a property that it is easy to expand and contract in the longitudinal direction and bend easily. In particular, when the reinforcing wire or the like is not embedded, or when the cross-sectional shape in the width direction is asymmetric, the stretchability and the bendability are remarkable.

Accordingly, a series of steps of supplying these belt-like members toward the forming drum, winding the belt around the forming drum just once, and then cutting the belt-like member into predetermined dimensions are performed. It was extremely difficult to automate everything, in order to obtain a certain degree of accuracy. Therefore, conventionally, the forming drum is rotated once while being supplied to the forming drum and wound, and thereafter, the band is cut into a predetermined length in accordance with the leading end of the band which is already wound around the forming drum. The operation of performing the cutting operation and the operation of affixing the end portion generated by cutting to the above-mentioned front end portion have been left to human labor.

[0005] Therefore, it is not only inefficient, but also
There is a drawback that skill is required for the work and uniformity of work contents (accuracy) cannot be maintained. The present invention has been made in view of the above circumstances, and solves various conventional disadvantages by supplying a belt-shaped member to a forming drum and automatically performing a series of operations until cutting to a predetermined length. An object of the present invention is to provide a method and an apparatus for attaching a belt-shaped member that can be performed.

[0006]

According to the present invention, the following technical measures have been taken in order to achieve the above object. That is, in the method for attaching a band-shaped member according to the present invention, the band-shaped member of a required length can be wound within one round before supplying the band-shaped member to a forming drum used for assembling the band-shaped member. The belt-shaped member is supplied to a suitable intermediate drum and wound.

When the belt-shaped member is wound and held on the intermediate drum, first, the tip of the belt-shaped member is held by a tip suction section provided on the outer peripheral portion of the intermediate drum and a clamp device. Then, while preventing slack in the longitudinal direction of the belt-shaped member from occurring, the belt-shaped member is wound around the intermediate drum, and a position separated by a predetermined length from the tip end, that is,
The portion to be cut is sucked and held by an end suction unit provided at an outer peripheral position of the drum different from the front end suction unit. Then, in this state, the band-shaped member is cut.

[0008] Until this cutting, the belt-shaped member is not unnecessarily expanded or contracted or bent. Also, in winding and holding the belt-shaped member around the intermediate drum,
Since only the suction action is exerted on the band-shaped member, the band-shaped member is not damaged or deformed. As described above, the work of cutting out the band-shaped member to a predetermined length required in the forming drum is performed in advance (as preparation).
After the transfer, this is transferred to the forming drum through the intermediate drum.

[0009] A belt-like member sticking apparatus according to the present invention includes a belt-like member supply means for performing the above-mentioned sticking method.
It has an intermediate drum that winds and holds it, a cutter device that cuts the belt-shaped member supplied to the intermediate drum to a predetermined length, and a forming drum. The intermediate drum is provided with a leading end suction unit and a clamp device at a winding start position of the belt-shaped member, and a terminal end suction unit at a winding end position. Further, the supply means is provided with a delivery section for pressing the band-shaped member delivered to the intermediate drum against the end suction section or the like so as to enable reliable suction.

Therefore, a series of operations of supplying a belt-shaped member having a predetermined length from the supply means to the forming drum via the intermediate drum can be automated with high accuracy and high efficiency. Material pressing means for moving the end of the band-shaped member sucked by the leading end suction unit and the end suction unit to the intermediate drum in a radially outward direction while holding the suction state, and pressing the forming drum. If it is provided, the strip-shaped member sucked and held by the intermediate drum can be peeled off and the band-shaped member can be securely and neatly fixed to the forming drum.

The cutter device may be built in an intermediate drum. In this case, if the cutter device is configured such that the cutter blade protrudes radially outward of the intermediate drum only when cutting the belt-shaped member, the outer peripheral surface of the intermediate drum can be effectively used as a winding holding surface of the belt-shaped member. In addition, there is an advantage that it is possible to prevent the cutter blade from being damaged by colliding with the belt-shaped member or the peripheral structure.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an attaching device 1 according to one embodiment of the present invention. The schematic configuration of the sticking device 1 includes a set portion 2 for holding a roll R of a band-shaped member W, a supply unit 3 capable of unwinding the band-shaped member W from the set unit 2, and a feeding unit 3 for feeding the band-shaped member W from the set unit 2. The intermediate drum 4 temporarily holds the belt-shaped member W to be wound in a wrapped state, and the forming drum 7 installed next to the intermediate drum 4 and having its rotation axis parallel to the intermediate drum 4.

The present embodiment corresponds to the start of the first stage in the tire manufacturing process, and the inner liner, plies, and the like are subsequently assembled on the forming drum 7. Therefore, the side wall corresponds to the band-shaped member W, and the cross-sectional shape in the width direction is different in thickness on the left and right. In addition, there are two strip-shaped members W in a symmetric arrangement for the front and back surfaces of the tire.

The intermediate drum 4 is rotatably held around a horizontal axis on a slide frame 9, and can be rotated by a motor 10 in the forward and reverse directions by about one rotation each. The slide frame 9 is
The device frame 11 can be moved forward and backward by a driving device 12 such as a rodless cylinder. Therefore, the intermediate drum 4 can approach and separate from the forming drum 7.

The forward / backward movement of the intermediate drum 4 by the slide frame 9 depends on the position where the intermediate drum 4 is close to the supply means 3, the position near the forming drum 7, and the intermediate position where neither the supply means 3 nor the forming drum 7 interferes. Stopping is possible at a total of three positions. Of these, each stop position except the intermediate position employs a stopper structure by a stopper bolt device 13, so that position adjustment is easy and high accuracy can be obtained in the adjustment.

Note that, as described above, the band-shaped member W is
Since there is a book, a pair of left and right intermediate drums 4 are also provided on the slide frame 9 (see FIG. 11). Similarly, a pair of left and right supply means 3 is provided (not shown). First, supply means 3
Will be described.

The supply means 3 is arranged such that a pull-out device 16 moves from a roll R rotatably held on a free roller 15 of the setting section 2 to a material passage 17 having a ball-embedded floor (see FIG. 4). The member W is unwound with a constant tension, and the delivery section 18 supplies the belt-shaped member W to the intermediate drum 4 as necessary. As shown in FIGS. 2 to 4, the delivery section 18 is
Plate 20 for supporting the plate from below, and this support plate 20
, A portal frame 21 provided so as to straddle the band-shaped member W, and a pressing member which is held on the front surface of the portal frame 21 via a guide bar 22 so as to be able to move back and forth, and is moved back and forth by a position changing cylinder 23. It has a cylinder 24 and a pressing member 25 that can be raised and lowered by the pressing cylinder 24.

The delivery section 18 is provided with a support plate 20.
Further, the entire portal frame 21 is held by a guide bar 28 so as to be able to move back and forth with respect to a support frame 27 which is in a fixed relationship with the material passage 17. And, it can be moved back and forth by a back-and-forth moving cylinder 29 provided on the support frame 27 and having a rod end connected to the back of the portal frame 21.

Therefore, in the transfer section 18, the pressing cylinder 2 is kept while the position changing cylinder 23 is being moved backward.
4, the pressing member 25 presses the band-shaped member W onto the support plate 20 and clamps the band-shaped member W. By moving the forward-backward moving cylinder 29 forward, the band-shaped member W on the material passage 17 is intermediately moved. It can be pulled out to the drum 4.

The support plate 20 is preferably provided with a non-adhesive surface finish such as a hard adlon treatment or a laminate in order to prevent slippage due to the close contact of the belt-shaped member W. On the other hand, in the transfer section 18, if the position changing cylinder 23 is moved forward, the forward / backward moving cylinder 29 is also moved forward, and then the pressing cylinder 24 is moved downward, as shown in FIG. 7 or FIG. The pressing member 25 can be pressed against the belt-shaped member W after being sent to the outer peripheral surface of the intermediate drum 4.

As shown in FIGS. 7 and 9, the pressing member 25 is formed by a sponge 30 having an H-shaped cross section and a resin pad 31 made of a combination of disks having a thickness of about 1 mm.
Is backed up, and it is possible to cope with the laterally asymmetric cross-sectional shape of the band-shaped member W. That is, there is no variation in the degree of pressing due to the thickness difference, and the pressing can be performed reliably.

Next, the intermediate drum 4 will be described. As is clear from FIG. 1, the intermediate drum 4 is larger in diameter than the forming drum 7, and therefore has an outer peripheral dimension longer than the length of the belt-shaped member W to be supplied to the forming drum 7. Therefore, when the belt-shaped member W is wound around the intermediate drum 4, the belt-shaped member W having a required length can be wound within one round.

The outer peripheral surface of the intermediate drum 4 is mirror-finished, so that the degree of adhesion of the belt-like member W is increased to enhance the holding effect. This intermediate drum 4 has
As shown in FIG.
2. The end suction unit 33, the clamp device 34, and the cutter device 35 are provided. Each of the tip suction section 32 and the end suction section 33 also serves as a material pressing means 36.

In the intermediate drum 4, the tip suction section 32
The clamp device 34 is provided for the fan-shaped outer peripheral part 4A. And this outer part 4A
Can be attached to and detached from the drum main body 4B, and the position can be changed in the circumferential direction. That is, as shown in FIG. 6, spacer members 38 to 42 having various shapes and thicknesses are sandwiched between the outer peripheral part 4A and the outer peripheral component 4C of the drum main body 4B. And the thickness used can be changed. Changing the circumferential position of the outer peripheral part 4A, that is, changing the circumferential position of the distal end suction portion 32, requires changing the intermediate drum 4A.
To the position where the leading end of the band-shaped member W is stopped with respect to the outer peripheral portion of the end portion.
The length of the band-shaped member W reaching the scheduled cutting portion (end portion) to be fixed to the third member 3 is determined.

The tip suction section 32 has a pair of left and right suction blocks 45 provided with the tip facing the outer peripheral surface of the intermediate drum 4 as shown in FIGS. 7 and 8. The lower surface of the band-shaped member W is sucked by the suction concave portion 45a formed in the above. In addition, the suction block 45 is formed of a material having moderate or softness such as urethane or rubber in order to improve conformability or responsiveness in shape or surface roughness with the belt-shaped member W, and to prevent damage. It is preferable to use a hard material or to form a laminate by using another hard material. Further, it is also possible to adopt a structure in which a metal is made with emphasis on durability and a groove for improving the releasability is provided at the tip.

In the tip suction section 32, a guide bar 47 is provided on a holder 46 supporting both suction blocks 45, and these guide bars 47 are inserted through brackets 48 fixed to the intermediate drum 4 side. ing. The holder 46 is supported by a plurality of pin cylinders 49. With such a configuration, the tip suction section 3
Numeral 2 protrudes and retreats in the radial direction of the intermediate drum 4, and this corresponds to the above-mentioned material pressing means 36.

That is, when the belt-like member W is supplied to the intermediate drum 4 and the material pressing means 36 is caused to protrude from the state in which the belt-like member W is sucked by the tip suction portion 32, the belt-like member W is Peeling from the outer peripheral surface can be performed reliably. At this time, if the intermediate drum 4 is circumscribed to the forming drum 7, the belt-shaped member W can be pressed against the forming drum 7 as it is.

The clamping device 34 is provided with
The belt-like member W is configured to be sandwiched between the two members in cooperation with the second member 2, and has a clamp member 53 that can be moved in the radial direction of the intermediate drum 4 by the clamp cylinder 52. The clamp cylinder 52 is capable of swinging about a pivot 54, and the intermediate drum 4 including the clamp member 53 as a whole except when necessary.
Are accommodated in a radially inward direction. The swing of the clamp cylinder 52 is performed by rotating the pivot shaft 54 by a sector drive unit 56 using a spur gear and an elevation starting cylinder 57 that drives the sector drive unit 56.

The clamp member 53 has a structure in which a resin pad 60 composed of a combination of disks having a thickness of about 1 mm is backed up by a sponge 59 having an H-shaped cross section. It is possible to deal with asymmetry. That is, there is no variation in the degree of clamping due to the thickness difference, and reliable clamping is possible.

The end suction section 33 (see FIG. 9) has substantially the same structure as the above-described front end suction section 32 (see FIGS. 7 and 8) except that the end suction section 33 is positioned differently with respect to the outer peripheral portion of the intermediate drum 4. Have. In addition, this end suction portion 33
The material pressurizing means 36 attached to the end is substantially the same as that of the tip suction portion 32. Therefore, a detailed description of these will be omitted.

The cutter device 35 is shown in FIGS.
As shown in FIG. 7, the traveling blade 63 using a rodless cylinder or the like has a structure in which the cutter blade 64 moves in the width direction of the band-shaped member W. The cutter blade 64 is supported by a blade holder 66 that is penetrated and held by a spline shaft 65 provided in parallel with the travel driving tool 63. The spline shaft 65 is rotatably held by a bracket plate 67 that supports both ends of the spline shaft 65. As the spline shaft 65 rotates, the blade holder 66 also rotates integrally. It has become.

The blade holder 66 is provided with an engaging piece 68 projecting toward the traveling portion 63a of the traveling driving tool 63. The engaging piece 68 is formed in an arc shape, and engages with the traveling portion 63a in the traveling direction. However, when the blade holder 66 rotates together with the spline shaft 65, this movement is allowed. It has become. A swing lever 70 that can swing by an angle setting cylinder 69 is inserted through the spline shaft 65 in a state where the swing lever 70 cannot rotate with respect to the spline shaft 65.

Therefore, when the angle setting cylinder 69 is oscillated, the angle of the cutter blade 64 is changed through the rotation of the spline shaft 65 and the blade holder 66.
Such an angle change in the cutter blade 64 is performed by storing the cutter blade 64 in the intermediate drum 4 and heating the standby angle X and the cutting travel angle Y with respect to the belt-shaped member W.
And the return travel angle Z after cutting.

By the way, the intermediate drum 4 having the above-described structure has a slide frame 9 as shown in FIG.
A pair of right and left is provided on the upper side. The left and right intermediate drums 4 can be adjusted in mutual distance by a distance changing device 73. This interval changing device 73
Is provided with a hollow rotary shaft 74 provided through the center of both intermediate drums 4 and screw portions rotatably inserted into the rotary shaft 74 and having opposite screw relations at both ends thereof. And a screw drive motor 76 provided to one end of the rotary shaft 74 and half-submerged in one of the intermediate drums 4, and screwed to each screw portion of the feed screw shaft 75. And a nut member 77. Each nut member 7
7 has an elongated hole 7 provided through the peripheral wall of the rotating shaft 74.
8, an overhanging wing 80 is provided which can be engaged with the central cylindrical portion of each intermediate drum 4 (see FIG. 12).

Accordingly, when the feed screw shaft 75 is rotated by the screw drive motor 76, the nut members 77 come close to or move away from each other, whereby the left and right intermediate drums 4 move close to or move away from each other. is there. Such a change in the mutual interval between the left and right intermediate drums 4 is performed by the
And supply means 3 (refer to FIG. 1) and the like.
In the same manner as described above, the space dimension required for providing two sets of left and right members, and the left and right band members W
Is required to absorb the difference in dimension when the pitch dimension to be attached does not match.

The driving of the motors 10 (see FIG. 1) for rotating the respective intermediate drums 4 is transmitted to transmission wheels 82 provided at the central portions of the left and right intermediate drums 4, and from the transmission wheels 82, a rotating shaft 74 is provided. Is to be conveyed to.
Further, the mutual interval between the left and right intermediate drums 4 can be obtained by calculation from the number of rotations of the feed screw shaft 75 detected via the rotary encoder 83 provided on the other end of the rotating shaft 74. I have.

The forming drum 7 has a diameter changing mechanism 85 as shown in FIGS. 13 and 14, and the diameter of the drum is variable. The diameter changing mechanism 85 includes a rotating shaft 86 of the forming drum 7 having a hollow structure, a slide shaft 87 slidably inserted into the rotating shaft 86, and a peripheral wall of the rotating shaft 86 from the outer surface of the slide shaft 87. A long link 89 which passes through a long hole 88 formed in the hole and is held swingably, an outer peripheral plate 90 connected to a protruding end of the long link 89, and is held swingably on the outer surface of a rotating shaft 86. A short link 91 connected to the center of the long link 89
A driving unit (not shown) for slidingly driving the slide shaft 87, and a connecting outer peripheral plate 92 extending in one circumferential direction from the outer peripheral plate 90;
And

That is, when the slide shaft 87 is slid, the intersection angle between the long link 89 and the short link 91 changes.
That is, the diameter dimension up to 0 and the connecting outer peripheral plate 92 changes. The outer peripheral plate 90 includes an outer plate 94 as shown in FIG.
And an inner plate 95, and an intake passage 96 is formed between the two plates. A plurality of suction holes 97 communicating with the intake passage 96 are formed in the outer plate 94 and the inner plate 9
5 is connected to an intake pipe 98 communicating with the intake passage 96. Therefore, the belt-shaped member W and the like can be suction-held on the outer peripheral plate 90.

In order to increase the suction force, a structure in which an adhesive rubber is attached around the suction hole 97 can be adopted. Conversely, by attaching blind screws (not shown) to some of the suction holes 97 and plugging them, the suction force can be adjusted even if the suction pressure is kept constant. On the other hand, an intake passage 96 is provided in the outer peripheral plate 90, so that the band-shaped member W and the like (including those after assembly) in the sucked state can be easily removed from the forming drum 7.

The forming drum 7 is provided with a stitching device (not shown) in which a free roller can be brought into and out of contact with the outer peripheral surface thereof. I can do it. Next, based on the operation status of the attaching device 1 configured as described above,
The sticking method of the present invention will be described.

Initially, the intermediate drum 4 is positioned closest to the supply means 3 as shown in FIG. 1, and the tip suction portion 32 is angled upward as shown in FIG. Further, the cutter blade 64 of the clamp device 34 and the cutter device 35 is housed in the intermediate drum 4. In the feeding means 3, in the delivery portion 18 (see FIGS. 2 to 4), the pressing cylinder 24 lowers the pressing member 25 while the position changing cylinder 23 is in the retreating state, and the leading end of the band-shaped member W is supported by the support plate. Press onto 20. Then, the front-rear movement cylinder 29 advances the transfer portion 18, and pulls out the leading end of the belt-shaped member W to the upper portion of the intermediate drum 4.

Next, the clamping device 34 for the intermediate drum 4
7 (see FIG. 7), the clamp cylinder 52 in the sideways position moves the clamp member 53 in the releasing direction, and then the cylinder 57 for starting up the drive drives the sector drive unit 56 to erect the clamp cylinder 52. Therefore, the clamp member 53 is positioned above the distal end of the belt-shaped member W protruded from the support plate 20 toward the intermediate drum 4.

Next, the clamp cylinder 52 moves the clamp member 53 in the clamp direction, and presses the distal end of the belt-shaped member W against the distal end suction portion 32. Alternatively, the pressing cylinder 24 of the delivery section 18 raises the pressing member 25 to release the pressing of the belt-shaped member W. Further, the tip suction section 32 starts suction of the belt-shaped member W.

Next, the intermediate drum 4 starts rotating and the belt-shaped member W is wound up while the clamp by the clamp device 34 and the suction by the suction unit 32 for the front end are continued. At this time, the delivery unit 18 (FIGS. 2 to 4)
), The front-rear movement cylinder 29 is kept in the advanced state. Therefore, the belt-shaped member W is connected to the material passage 1 of the supply means 3.
The drawer is guided by not only the support plate 7 but also the support plate 20 of the transfer section 18, and a stable state in which the drawer does not meander.

As shown in FIG. 9, the rotation of the intermediate drum 4 is stopped when the end suction portion 33 reaches an upward angle. Next, the displacement cylinder 23 is
To move forward. Then, the pressing cylinder 24 presses the pressing member 2
5 is lowered, and the portion to be cut of the band-shaped member W is
, And in this state, the end suction portion 33 starts suction of the belt-shaped member W.

Next, the pressing cylinder 24 raises the pressing member 25, and the position changing cylinder 23 moves the pressing cylinder 24 backward. Then, the pressing cylinder 24 lowers the pressing member 25 again, and presses and holds the band-shaped member W on the support plate 20. During this time, the end suction portion 33 remains suctioning the belt-shaped member W, and no displacement of the belt-shaped member W occurs. As is clear from the above-described series of movements, the belt-shaped member W extends from the suction portion 32 for the front end to the suction portion 33 for the end, and is wound and held on the outer peripheral surface of the intermediate drum 4 without expansion or contraction. Become. In this state, the belt-shaped member W
In this case, a predetermined tension can be maintained.

Next, in the cutter device 35, the angle setting cylinder 69 swings the swing lever 70 so as to set the cutter blade 64 to the cutting travel angle Y (see FIG. 9). The cutter blade 64 is moved. Therefore, the band-shaped member W is cut around the end-end suction portion 33, thereby forming a terminal portion on the band-shaped member W.

As described above, since the cutter device 35 cuts the band-shaped member W by moving the cutter blade 64 sideways, the end portion of the band-shaped member W does not have a rounded shape but is sharp. A cut surface is obtained. Therefore, there is an advantage that a beautiful joint portion can be obtained in joining the belt-shaped member W in a later step. After the cutting of the belt-shaped member W, the angle setting cylinder 69 swings the swing lever 70 to set the cutter blade 64 to the returning travel angle Z after the cutting (see FIG. 9). The blade 64 is returned to the original position and travels. And the angle setting cylinder 6
9 swings the swing lever 70 so as to set the cutter blade 64 to the standby angle X (see FIG. 9) in which the cutter blade 64 is housed in the intermediate drum 4 and heated.

Next, in the supply means 3 (see FIGS. 2 and 3), the forward / backward moving cylinder 29 causes the delivery portion 18 to move backward. Further, the slide frame 9 (see FIG. 1) that supports the intermediate drum 4 is advanced by the driving device 12 so that the intermediate drum 4 is positioned at an intermediate position where it does not interfere with the supply unit 3 or the forming drum 7. Next, in the clamp device 34 of the intermediate drum 4 (see FIG. 7), the clamp cylinder 52 in the clamped state of the belt-shaped member W moves the clamp member 53 in the release direction. Further, the supine actuation cylinder 57 drives the sector drive unit 56 to turn the clamp cylinder 52 sideways, and stores the entire apparatus in the intermediate drum 4. The clamp cylinder 52 moves the clamp member 53 again in the clamp direction after being turned down, and prepares for the next operation.

Next, the intermediate drum 4 is rotated, and the tip suction portion 32 that is sucking the tip of the belt-shaped member W is brought into a state of directly facing the forming drum 7 (see a two-dot chain line in FIG. 1). . Further, in an interval changing device 73 (see FIG. 11) that makes the interval between the left and right intermediate drums 4 variable, a screw drive motor 76 is driven to set the mutual interval between the intermediate drums 4 and the left and right belt-shaped The pitch dimension for attaching the member W is matched.

Then, the slide frame 9 is further advanced toward the forming drum 7 by the driving device 12, whereby the intermediate drum 4 is brought into the closest state to the forming drum 7. Next, the material W is pressed against the forming drum 7, and after the suction of the forming drum 7 works, the intermediate drum 4 performs an air blow (reverse injection), whereby the tip end portion of the band-shaped member W is peeled off from the intermediate drum 4. At the same time, the belt-shaped member W is delivered to the forming drum 7.

Further, in the forming drum 7, suction is started through a suction hole 97 provided in the outer peripheral plate 90 (see FIG. 15). Therefore, the belt-shaped member W is transferred to the forming drum 7. Next, the intermediate drum 4 and the forming drum 7 are tuned to rotate so that their peripheral speeds are equal and opposite to each other. Therefore, the transfer of the belt-shaped member W from the intermediate drum 4 to the forming drum 7 is continued.

When the end suction portion 33 (see FIG. 9) to which the end of the belt-shaped member W is fixed faces the forming drum 7, the rotation of the intermediate drum 4 is stopped. Then, the end suction unit 33 stops suction and causes air to be jetted back. At the same time, the end suction portion 33
In the material compaction means 36 attached to the
Causes the terminal suction portion 33 to protrude radially outward. Accordingly, at the same time that the leading end of the band-shaped member W is peeled off from the intermediate drum 4, the band-shaped member W is pressed against the forming drum 7.

As a result, the belt-shaped member W is attached so as to make just one round around the entire circumference of the forming drum 7. Next, the intermediate drum 4 has the slide frame 9
Along with being retracted toward the supply means 3 side by the drive device 12, it moves to an intermediate position where it does not interfere with the supply means 3 or the forming drum 7 and stops. Then, at this intermediate position, after reversely rotating toward the angle of the initial state, that is, the angle for turning the tip suction section 32 upward, the slide frame 9 is again moved to the initial position closest to the supply unit 3 by retreating. I do. The interval changing device 73 (see FIG. 11) also drives the screw drive motor 76 to return the left and right intermediate drums 4 to the original interval.

Further, in the forming drum 7, the belt-shaped member W is pressed down by a stitching device (not shown) as necessary, and the joint portion between the front end portion and the terminal end portion of the band-shaped member W is performed. Are leveled and molded. In addition, each part including the intermediate drum 4 performs a return operation to the initial state, so that the next cycle can be avoided.

The present invention is not limited to the above embodiment. For example, the band-shaped member W is used for
The sectional shape, material, and the like are not limited. Therefore,
It can be used for assembling inner liners, treads, and the like, and can be used for purposes other than tire manufacturing.
The cylinders and the like used in each part can be replaced with a screw drive mechanism driven by a motor, a wrapping transmission mechanism, a gear mechanism, or the like.

[0057]

As is apparent from the above description, in the method for attaching a belt-like member according to the present invention and the apparatus for attaching a belt-like member according to the present invention, a belt-like member is supplied to a forming drum before the belt-like member is supplied. A predetermined length of the member is temporarily held on the intermediate drum, and then the belt-shaped member is transferred from the intermediate drum to the forming drum. For this reason, the strip-shaped member can be cut out by a predetermined length without being subjected to unnecessary expansion and contraction or being damaged or deformed, while being given a predetermined tension in the longitudinal direction. Become. Therefore, if this cut-out band-shaped member is transferred to a forming drum, a highly accurate band-shaped member assembling operation can be performed. In addition, it becomes possible to automate such a series of operations.

By the way, suction portions are provided at two places on the outer peripheral surface of the intermediate drum, and the leading end of the band member and the portion to be cut are suctioned to each of the suction portions, so that the temporary holding length of the band member is held. By doing so, it is possible to easily and reliably fix the front end portion of the belt-shaped member and the portion to be cut to the intermediate drum. Of course, it is possible to reliably prevent expansion and contraction and bending of the belt-shaped member.

[Brief description of the drawings]

FIG. 1 is a side view showing a sticking device as one embodiment of the present invention.

FIG. 2 is a plan view showing a delivery section of a supply unit.

FIG. 3 is a side view of FIG. 2;

FIG. 4 is a perspective view of a delivery unit.

FIG. 5 is a side view showing the intermediate drum.

FIG. 6 is an exploded side view showing a spacer member used in the intermediate drum.

FIG. 7 is a side view showing a leading end suction unit, a material rolling unit, and a clamp device provided on the intermediate drum.

FIG. 8 is a perspective view of a tip suction section and a material pressing means.

FIG. 9 is a side view showing an end suction unit, a material compaction unit, and a cutter device provided on the intermediate drum.

FIG. 10 is a plan view showing the cutter device partially broken.

FIG. 11 is a front sectional view showing an interval changing device provided for left and right intermediate drums.

FIG. 12 is an enlarged sectional view taken along line AA of FIG. 11;

FIG. 13 is a front sectional view showing a forming drum.

FIG. 14 is a side view showing a part of a forming drum.

FIG. 15 is a front sectional view showing an outer peripheral portion of a forming drum.

DESCRIPTION OF SYMBOLS 1 Pasting device 2 Set part 3 Supply means 4 Intermediate drum 7 Molding drum 18 Delivery part 32 Suction part for front end 33 Suction part for terminal end 34 Clamp device 35 Cutter device 36 Material pressing means 64 Cutter blade W band Material R Roll

Claims (4)

[Claims] 1. Prior to supplying a belt-like member (W) to a forming drum (7) for winding assembly of the belt-like member (W),
The belt-shaped member (W) is supplied to the intermediate drum (4) capable of winding the belt-shaped member (W) for a required length within one turn, and the tip suction provided on the outer peripheral portion of the intermediate drum (4). The front end of the band-shaped member (W) is held by the portion (32) and the clamp device (34), and the band-shaped member (W) is wound around the intermediate drum (4). Is to cut the band member (W) after adsorbing the portion to be cut of the band member (W) by the end suction unit (33) provided at another drum outer peripheral position, and then cut the band member (W). A band-shaped member (W) wound around and held on the forming drum (7). 2. A supply means (3) for a band member (W), an intermediate drum (4) for temporarily winding and holding the band member (W) from the supply means (3), and an intermediate drum (4). The cutter device (35) for cutting the band member (W) supplied to 4) to a predetermined length and the band member (W) wound and held on the intermediate drum (4) are received and assembled into a cylindrical shape. The intermediate drum (4) is provided with a tip suction section (32) and a clamping device (3) at the winding start position of the belt-shaped member (W).
4) is provided, and at the end position of the winding, an end suction portion (33) is provided, and the supply means (3) is provided.
Is provided with a delivery portion (18) that can press the belt-shaped member (W) delivered to the intermediate drum (4) to an appropriate position on the intermediate drum (4) as needed. Device for attaching members. 3. The intermediate drum (4) holds the end of the band-shaped member (W) adsorbed by the front-end suction section (32) and the end-end suction section (33) while maintaining the suction state. 3. A device according to claim 2, further comprising material pressing means (36) for moving radially outward and pressing against the forming drum (7). 4. The cutter device (35) is built in the intermediate drum (4), and the cutter blade (64) can protrude radially outward of the intermediate drum (4) when cutting the belt-shaped member (W). The apparatus for attaching a belt-shaped member according to claim 2 or 3, wherein: