JPS62140832A - Wire insert sticking apparatus - Google Patents

Abstract

PURPOSE:To raise the productivity in accordance with sticking accuracy and to remove the physical load of worker, by sticking wire inserts wound up to the outer periphery of a revolving filler-attached bead core, and cutting it into a length equal to a sound length of the bead core. CONSTITUTION:At first the piston rod 27 of a cylinder 26 is indented, and the tips of wire inserts 35, 36 are respectively held under sticking to the magnets 31, 32 of carrying plates 29, 30. Then the piston rods 27 is projected and its tips are supplied to the outer periphery of a filler-attached bead core 8 just over a driving roller 1, and is contact bonded respectively with a contact bonding member 43. Then as the driving roller 1 is revolved under driving, wire inserts 35, 36 are wound respectively upon the outer periphery of fillers 11, 12 with a positioning means 76, and cut with a cutting means 98 into a length equal to a round length of the filler-attached bead core 8. Thereafter wire inserts 35, 36 are certainly stuck in a round of the outer periphery of the filler-attached bead core 8 with sticking rollers 87, 88.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a pasting device for pasting a wire insert onto the outer periphery of a filler-equipped bead core.

For example, in pneumatic tires for high-speed running, in order to maintain a large ground contact area during running, the outer periphery of the bead core with filler is reinforced with a wire insert to increase the rigidity around the bead. It is being done.

Conventionally, the work of attaching a wire insert to the outer periphery of such a filler-equipped bead core was manually performed by one worker.

Let's try. However, when pasting is done manually in this way, there are problems in that the pasting accuracy is low and productivity is poor because it relies on the intuition of the worker, and it also places a heavy physical burden on the worker. .

, 1 Tera These problems are caused by a holding and rotating means that holds the filler-equipped bead core and rotates it around the axis, and a supply crimping means that supplies and crimp the tip of the band-shaped wire insert to the outer periphery of the filler-equipped bead core. a pasting means for pasting the wire insert wound around the outer periphery of the filler bead core as it rotates; and a cutting means for cutting the wire insert into a length equal to one circumference of the filler bead core. This problem can be solved by a device equipped with the following.

First, the bead core with the filler is held by the holding rotation means.Next, the tip of the wire insert is supplied to the outer periphery of the bead core with the filler by the supply crimping means, and the tip is crimped onto the outer periphery of the bead core with the filler. Next, the bead core with the filler is rotated around the axis by the holding and rotating means, the wire insert is wound around the outer periphery of the bead core with the filler, and the wrapped wire insert is pasted on the outer periphery of the bead core with the filler by the pasting means. To,
The wire insert is cut into a length equal to one circumference of the filled bead core by the cutting means. As a result, one turn of the wire insert is attached to the outer periphery of the filled bead core.

1 pho 1 Hereinafter, one embodiment of the present invention will be described based on the drawings.

In FIG. 1.2, 1 is a drive roller, and this drive roller 1 is driven and rotated by a motor (not shown). This drive roller 1 has a small-diameter cylindrical bead receiver part 2 in the center, and on both sides of this bead receiver m2 there are filler receiver parts in the shape of a truncated cone that taper toward the bead receiver part 2. 3.4 is formed. There is a step 5 between the filler receiver parts 3 and 4 and the bead receiver part 2.
6 is formed. 8 is a bead core with a filler, and the sides of this bead core B with a filler are '!
EMI, a pair of bead cores 9, lO.

Filler 11 attached to each bead core 9, 10,
It consists of 12. The reason why filler-equipped bead core 8 is composed of a pair of bead cores 8.10 and filler 11.12 is to manufacture a pair of beads at the same time to equalize their quality performance and improve the quality of the product tire. This is to make it happen. When this bead core 8 with filler is installed around the drive roller 1, the bead core θ, 10 is attached to the bead receiver part 2,
In addition, the fillers 11 and 12 are filler receivers s3 and 4.
can be accepted. On both sides of the drive roller 1, rotatable rollers 15.1B are installed, and as shown in FIG. IA duty roller
It has the same shape as 1, and rolls into contact with the inner periphery of the filler-equipped bead core 8 attached to the drive roller 1. A holder 20 is attached to the tip of the piston rod 19 of the vertical cylinder 18 installed directly below the S-movement roller 1, and chuck rollers 21 and 22 having the same shape as the drive roller 1 rotate on this holder 20. Possibly supported. These chuck rollers 21.
When the piston rod 18 is retracted, the piston rod 22 rolls into contact with the inner periphery of the filled bead core 8 directly under the drive roller l, thereby causing the drive roller 1. The receiver cooperates with the rollers 15 and 16 to hold the filled bead core B in an upright position, and when the drive roller 1 rotates, the filled bead core 8 is rotated about the axis while remaining upright. The aforementioned drive roller 1, the receiver is roller 1
5, IB, cylinder 18. Chuck roller 21.22
This constitutes a holding and rotating means 23 that holds the filled bead core 8 as a whole and rotates it around the axis. A cylinder 2B is installed upstream of the drive roller 1, and a support plate 28 is fixed to the tip of a piston rod 27 of this cylinder 26, as shown in FIG. 1.3. A pair of transport plates 29 and 30 separated in the axial direction of the drive roller l are fixed to the support plate 2, and a plurality of magnets 31 and 32 are attached to the upper surface of each transport plate 29 and 30, respectively. There is. 35.3
B is a band-shaped wire insert, and each wire insert 35.3 [i is a wire 37.38 which is inclined in the opposite direction with respect to the longitudinal direction, and the periphery thereof is coated with rubber. These wire inserts 35 and 36 are connected to two of the filler-equipped bead cores 8.
11 and 12, respectively. A vertical cylinder 41 is installed above the drive roller l,
At the tip of the piston rod 42 of this cylinder 41, the tip of the wire insert 35.3G, which has been supplied to the outer periphery of the filler-equipped bead core 8 directly above the drive roller 1 by the conveyance plate 29.30, is attached to the filler 11.
A crimping body 43 is fixed to each of the crimping bodies 12 .

The cylinder 2B, the conveyor plate 29.30, the magnet 31.32, the cylinder 41, and the crimping body 43 described above are used as a whole for supply crimping in which the tip of the band-shaped wire insert 35.3B is supplied and crimped to the outer periphery of the filler-equipped bead core 8. A means 44 is constituted. Piston rod 4 of a vertical cylinder 47 located directly below the conveyor plate 29.30
A horizontal anvil 49 is fixed to the tip of the shaft, and this anvil 49 moves up and down while being guided by a guide 50 by the operation of a cylinder 47. A cylinder 51 is attached to the anvil 49 as shown in Fig. 1.4.
A plate 54 is fixed to the tip of the piston rod 52 of I, which is housed in the anvil 48 and moves up and down while being guided by a guide 53. A plurality of magnets 55 having a stronger attraction force than the magnets 31 and 32 are attached to this plate 54. In Figure 1.5,
Reference numeral 58 denotes an anvil guide *i installed between the drive roller 1 and the anvil 49. 2 This anvil guide mechanism 58 includes cylinders 5θ and 6o installed on both sides of the wire insert 35 and 36, respectively, and these cylinders 59.
．． It consists of a guide plate 63, 64 fixed to the tip of the piston rod l (1, 82) of the GO, and these guide plates 63, 84 are connected to a wire insert 35.
The outer edge of 38 can be contacted. Drive roller l
A cylinder 68 is installed between and above the anvil guide mechanism 58, and a rear end guide 7o is fixed to the tip of a piston rod 69a of this cylinder.

This rear end guide 7o has a wire insert 35.
It has a separation piece 71 that contacts the inner end of 3G. Further, the rear end guide 7o has sliding contact plates 72.73 that contact the front surfaces of the wire inserts 35.36, respectively, and the wire 3 is provided on the upper surface of these sliding contact plates 72.73.
Magnets 74 and 75 that attract 7 and 38 are fixed respectively. Then, the guide plates 63 and 64 of the anvil guide mechanism 58 are connected to the wire insert 35.
By pushing the wire inserts 3B inward and slidingly contacting the separation piece 71, the distance S between these wire inserts 35 and 36 is reduced.
The above-mentioned anvil guide mechanism 58, cylinder 68, and rear end guide 70, which maintain the ? 80 is cylinder 4
This is a cylinder installed on the side of 1, and this cylinder 8
A presser roller 82 is rotatably supported at the tip of the piston rod 81 for pressing the filled bead core 8 against the drive roller 1 to prevent slippage between the two. 85 is a cylinder attached to the tip of the piston rod 19, and the tip of the piston rod 86 of this cylinder 85 is divided into two, and each tip is provided with fillers 11, 12, as shown in FIGS. Pasting rollers 87.8B, which can roll and come into contact with the inner peripheries of the tapes, are each rotatably supported. The application rollers 87 and 88 are inclined so as to push the filler 11, 12 outward in the radial direction at the tip thereof. The cylinder 85 mentioned above and the application rollers 87, 88 together constitute an application means 89 for adhering the wire insert 35, 36 wound around the filler 11, 12 to the filled bead core 8. 91 is a cylinder installed on the side of the cylinder 18 and swings around a pin 90;
An adjustment tube 93 that swings about a pin 94 is connected to the tip of a piston rod 92 of this cylinder 91 . This rA adjustment cylinder 93 has a rod 95 movable in the axial direction.
is inserted, and a sensor 9B for detecting the tips of the wire inserts 35 and 36 is attached to the tip of this rod 95. Then, by adjusting the axial position of the rod 95, the detection position of the sensor 9B is changed to correspond to a change in the diameter of the filler-equipped bead core 8. The cylinder 91 mentioned above. Adjustment cylinder 93. Rod 95, sensor 96
The wire inserter (35, 38) as a whole constitutes a detection means 97 for detecting the tip of the wire inserter (35, 38). Transport plate 29.3
A cutting means 9 is provided above the wire 37.38 for cutting the wire insert 35.3G along the wire 37.38. Also, 98.100 is wire insert 35.
This is a guide roller that rolls into contact with the side edge and back surface of 38 and guides it.

Next, the operation of one embodiment of the present invention will be explained.

First, in the first step, as shown in FIG. 7(a),
The bead core 8 with filler is carried in and attached to the drive roller 1. At this time, the bead cores 8 and 10 are received in the bead receiver part 2, and the fillers 11 and 12 are received in the filler receiver parts 3 and 4, respectively. Moreover, at this time, the piston rod 27 of the cylinder 2B is retracted, and the conveyance plate 2
The tips of the wire inserts 35.3B are held by suction on the 9.30 magnets 31.32, respectively.

Further, the piston rod 19 of the cylinder 18 is protruded, while the piston rod 8B of the cylinder 85 is retracted, and the chuck rollers 21, 22 and the pasting roller 87.
88 is spaced apart from the inner periphery of the bead core 8 with filler.

Next, in the second stage, as shown in FIG. 7(b),
The piston rod 19 of the cylinder 18 is retracted to bring the chuck roller 21.22 into contact with the inner periphery of the filler-equipped bead core 8, and the filler-equipped bead core 8 is held upright by the chuck roller 21.22, drive roller 1, and roller 15.1G. Hold the cylinder 28 in this position, then extend the piston rod 27 of the cylinder 28 and attach it to the male net 31.
．． The tips of the wire inserts 35 and 36 adsorbed by the wire inserts 32 are supplied to the outer periphery of the filled bead core 8 directly above the drive roller 1. At this time, magnet) 31.32
Wire insert 35 on the upstream side of the part adsorbed to
．． 3B is R1 on anvil 48! Next, the piston rod 42 of the cylinder 41 is made to protrude, and the wire inserter protrudes from the conveying plate 28.30) 35.
38 are crimped to the fillers 11 and 12 of the filler-attached bead core 8 by a crimping body 43, respectively. At this time, the piston rod 52 of the cylinder 51 protrudes, the magnet 55 rises, and the wire inserts 35 and 36 are attracted by the magnet 55.

Next, in the third step, as shown in FIG. 7(C),
The piston rod 27 retracts and the conveyor plates 29, 30
returns to its initial position. At this time, the tip of the wire insert 35.38 is held between the crimp body 43 and the bead core 8 with filler, and the wire insert 35.
Since its tip end is attracted by the magnet 55 which has a stronger attraction force, the magnet 2 can be easily separated from the wire insert 35, 36. 42 retracts and the crimping body 43 returns to its initial position, and the piston rod 5
2 retracts and magnet 55 connects to wire insert 3
5.3B, the piston rod 81 of the cylinder 80 protrudes and presses the press roller 82 against the outer periphery of the filler-equipped bead core 8, and the filler-equipped bead core 8 is held between the press roller 82 and the drive roller 1.

This prevents the drive roller 1 and filler-equipped bead core 8 from slipping. Also, the piston rod 8B of the cylinder 85 is pushed out to press the pasting rollers 87, 88 onto the inner peripheries of the fillers 11, 12, and these fillers 1
1. Push the distal end of 1.12 outward in the radial direction.

Also, at this time, the piston loft 88 of the cylinder 68 is projected and the separation piece 71 of the rear end guide 70 is inserted between the wire inserts 35, 38, and the sliding contact plates 72, 73 are attached to the surfaces of the wire inserts 35, 38. bring into contact. Further, the piston rods θ1.82 of the cylinders 59, 80 are projected to press the guide plate 83.84 against the outer end of the wire insert 35.36. As a result, the loading position of the wire insert 35.3B relative to the filled bead core 8 is corrected. Also, at this time, the piston rod 92 of the cylinder 91 is protruded to bring the sensor 96 close to the filler-equipped bead core 8 to prepare for detecting the tip of the wire insert 35, 36.
Next, when the drive roller 1 is driven and rotated by the motor, the wire inserts 35 and 36 whose tips are crimped onto the outer periphery of the filler-equipped bead core 8 are aligned with the positioning means 7.
6 while being aligned and wound around the outer periphery of the fillers 11 and 12, respectively. At this time, since a predetermined tension is applied to the wire inserts 35.36 by a tension applying means (not shown), the wire inserts 35.36 do not loosen. , the filler 11.12 and the wire insert 35.36 are forced together radially outwardly by the application rollers 87.88 and are applied to each other.

When the sensor 96 detects the tip of the wire insert 35.3B, the rotation of the drive roller 1 is stopped.
Next, the piston rod 48 of the cylinder 47 is projected and the anvil 49 is raised. As a result, the wire inserts 35, 36 are lifted and the piston rod 52, which is held between the anvil 49 and the transport plates 29, 30, protrudes and the magnet 55 rises. At this time, the magnet 55 is placed on the downstream side, while the magnets 31 and 32 are placed on the downstream side.
is located on the upstream side.

Next, in the fourth step, as shown in FIG. 7(d),
The wire insert 35, 36 is cut along the wire 37, 38 to a length equal to one circumference of the filled bead core 8 using a ring canter (not shown) of the v11 means 98. At this time, the terminal ends of the cut wire inserts 35 and 36 are separated and attracted by the magnets 55, and the cut ends are separated and attracted by the magnets 31 and 32.The piston rod 48 is retracted and attached to the anvil. 49 descends while adsorbing the cut end portion.

Next, in the fifth step, as shown in FIG. 7(e),
The drive roller 1 is driven and rotated again, and the cut end portion of the wire insert 35.3[1 is wound around the outer periphery of the filled bead core 8. At this time, since the end portion is attracted by the magnet 2 55 and the magnet 74, 75, it is wound while being applied with the necessary tension. As a result, bead core with filler 8
The wire insert 35.3B is wound around the outer periphery of the wire insert 35.3B with its leading end and end end facing each other, and is then securely pasted by pasting rollers 87.88. When the wire inserts 35, 36 are securely attached to the outer periphery of the filler-equipped bead core 8 in this way, the rotation of the drive roller 1 is stopped E, and the piston rods 52, 61, θ2, 89, 81. Retract 92,
The magnet 55, guide plate θ3.64, rear end guide 70, presser roller 82, and sensor 98 are returned to their initial positions. Further, the piston rod 19 is projected to separate the chuck rollers 21.22 from the filled bead core 8, and the piston rod 86 is retracted to separate the pasting rollers 87.88 from the filled bead core 8. Zero or more steps of carrying out the completed filled bead core 8 and sending it to the next process is one cycle of the operation of one embodiment of the present invention, and this cycle is repeated thereafter.

In the above-mentioned embodiment, the winding tip of the wire inserts 35 and 36 was detected by the sensor 9B and the cutting position was determined, but in this invention,
The number of rotations of the drive roller 1 may be set in advance, and cutting may be performed when the rotation of the drive roller 1 stops.Furthermore, in the present invention, a plurality of the above-mentioned devices are lined up, and a plurality of devices can be cut at the same time. You may also attach a wire insert.

As described above, according to the present invention, it is possible to increase the accuracy of pasting, improve productivity, and also eliminate the physical burden on the worker.

[Brief explanation of drawings]

Fig. 1 is a schematic front view showing one embodiment of the present invention, Fig. 2 is a sectional view taken along arrow 1-1 in Fig. 1, Fig. 3 is a plan view of the vicinity of the drive roller, and Fig. 4 is a diagram of the vicinity of the anvil. 5 is a side view of the vicinity of the anvil guide mechanism, FIG. 6 is a plane sectional view of the vicinity of the application roller, and FIGS. 7(a) to (e) explain the operation of an embodiment of the present invention. It is an explanatory diagram. 8... Bead core with filler 23... Holding rotation means 35. 36... Wire insert 44... Supply pressure bonding means 89... Pasting means 98.
... Cutting means patent applicant Brideston Co., Ltd. Agent Patent attorney Ta 1) Toshio 89 ... Pasting means 98 ... Cutting means Fig. 2 Fig. 3 Figure 4

Claims (1)

[Claims] This is a pasting device for pasting a wire insert on the outer periphery of a bead core with filler, which includes a holding and rotating means for holding the bead core with filler and rotating it around an axis, and supplying the tip of a band-shaped wire insert to the outer periphery of the bead core with filler. a supply crimping means for crimping the bead core with the filler, a pasting means for pasting the wire insert wound around the outer periphery of the bead core with the filler as it rotates, and cutting the wire insert into a length equal to one circumference of the bead core with the filler. A wire insert pasting device characterized by comprising: a cutting means for cutting.