JPH0569499A - Positioning and seaming device for front end of beltlike material - Google Patents

Abstract

PURPOSE:To seam the before and behind terminal sections of beltlike materials accurately at all times without a hand by movably installing a clamping device and a splicer in response to the pitches of the beltlike materials in the direction of array of the beltlike materials. CONSTITUTION:A plurality of beltlike materials W wound on a cell are disposed rotatably on a cassette truck 2 at specified pitches P, and a cover plate 5, against which the projected front ends of the materials W are abutted, is arranged movably to one side section on the truck 2 in parallel with the direction of array of the materials W. A clamping device 3 and a splicer 4 disposed on a side section at the supply-stoppage position X of the truck 2 are installed on a base plate 7 slid along a guide rail 6 arranged in parallel with the direction of array of the materials W, and the plate 7 is connected to a screw shaft 9 such as a ball screw rotatable through a motor 8 through a nut. Accordingly, when the screw shaft 9 is turned, the plate 7, to which the clamping device 3 and the splicer 4 is mounted, is moved at specified pitches P in parallel with the direction of array of the materials W.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a belt material tip positioning and joining device. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a front end positioning and joining device for a band-shaped material, which is precisely moved to the splice position of the splice device to join the front and rear end portions of the band-shaped material.

[0002]

2. Description of the Related Art Conventionally, when band-shaped materials used as tire constituent materials are spliced together by a splice device, for example, in the case of a cassette carriage system, a cassette-shaped belt-shaped material placed on a cassette carriage is changed to a belt-shaped material. Was manually unwound and guided to the splice portion of the splicing device to join the front and rear end portions of the band-shaped material.

[0003]

However, it takes a lot of labor and time to stop the cassette carriage at a predetermined position and unwind the strip-shaped material placed at an appropriate interval to guide it to the splice portion. In addition, if the positioning position is displaced due to deformation of the cassette carriage or the like, it is very difficult to accurately position the band-shaped material and join it with high accuracy.

The present invention has been devised in view of the above conventional problems. The positioning of the cassette carriage can be easily performed, and the positioning position of the band-shaped material is changed due to deformation of the cassette carriage. Even if the tip of the strip-shaped material is clamped and transferred to the splice position of the splicing device, the position of the tip is automatically corrected so that the front and rear end portions of the strip-shaped material are always accurately joined without any manual intervention. It is an object of the present invention to provide a device for joining and positioning the front ends of strip-shaped materials that can perform the matching.

[0005]

In order to achieve the above-mentioned object, the present invention arranges a plurality of cassette-shaped strip-shaped materials on a movable cassette carriage so as to be rotatable at a predetermined pitch. A movable backing plate that abuts the tip of the material is arranged parallel to the arrangement direction of the band-shaped material, and the tip end of the band-shaped material is gripped at the side of the supply stop position of the cassette carriage, and at the splice position. A movable clamp device for transferring in a state of being positioned with respect to it, and a splice device for joining end portions of the band-shaped material are arranged, and the clamp device and the splice device are arranged at a pitch of the band-shaped material in the arrangement direction of the band-shaped material. The gist is that it is installed so that it can be moved correspondingly.

Further, according to the present invention, a strip-shaped material is inserted between a cassette carriage on which a plurality of cassette-shaped strip-shaped materials are rotatably mounted at a predetermined pitch and a splice device for joining end portions of the strip-shaped material. A clamp device for gripping the tip portion and transferring it to the splice position in a positioned state is installed, and the clamp device is a slide block that is linearly movable between the cassette carriage and the splice device via a cylinder, The gist of the present invention is that a supporting member having a clamper for gripping the tip end of the band-shaped material is attached to the slide block via a cylinder and a spring so as to swing and move back and forth.

[0007]

The present invention is constructed as described above, and the band-shaped material used as the tire constituent material is unwound from the cell of the cassette carriage and positioned with the tip thereof clamped by the clamp device, and then the splice device. By automatically correcting the displacement of the cassette trolley during transfer to the splice position, and feeding it to the splice position in this state, the front and rear end parts of the strip-shaped material are always accurate without human intervention. It can be well spliced.

[0008]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a front view of an apparatus 1 for positioning the front end of a band-shaped material W embodying the present invention, FIG. 2 is a plan view of FIG. 1, and FIG. 3 is an enlarged plan view of an essential part of the present invention. .

The above-mentioned tip positioning and joining device 1 is provided on the side of the supply stop position X of a movable cassette carriage 2 on which a plurality of cassette-shaped strip-shaped materials W are rotatably mounted at a predetermined pitch. A movable clamp device 3 for gripping the tip end portion Wa of the strip-shaped material W and transferring it while being positioned with respect to the splice position Z, and a splice device 4 for joining the end portions of the strip-shaped material W are provided. The clamp device 3 and the splicing device 4 are configured to be movable in the arrangement direction of the band-shaped material W corresponding to the pitch P of the band-shaped material W.

That is, a plurality of strip-shaped materials W wound around cells are rotatably arranged at a predetermined pitch P on the cassette carriage 2, and a strip-shaped material is formed on one side of the cassette carriage 2. A backing plate 5 that abuts the raised tip of the material W is disposed so as to be movable in parallel to the arrangement direction of the band-shaped material W. The clamping device 3 and the splicing device 4 arranged on the side of the supply stop position X of the cassette carriage 2 slide along a guide rail 6 arranged parallel to the arrangement direction of the strip-shaped materials W. The base plate 7, which is installed on the upper side, is connected to a screw shaft 9 such as a ball screw which is rotatable via a motor 8 via a nut (not shown). Therefore, when the screw shaft 9 rotates, the base plate 7 on which the clamp device 3 and the splice device 4 are installed via the nut moves at a predetermined pitch P parallel to the arrangement direction of the band-shaped material W.

In the clamp device 3, as shown in FIGS. 3 and 4, a clamper 10 for holding the tip end of the strip-shaped material W abutting against the contact plate 5 from above and below is provided on the side of the support member 11. The clamper 10 is attached, and the rear end side of the L-shaped arm 12 is connected to the opening / closing cylinder 14 via a link 13. The support member 11 to which the clamper 10 is attached is swingably and advancingly attached to the slide block 17 via the cylinder 15 and the spring 16, and the substantially central portion of the support member 11 swings forward and backward via the pin 18. In addition to being configured to be movable, when the band-shaped material W is clamped and positioned, the stopper 19 provided on the slide block 17 is brought into contact with the positioning.

Therefore, even if the cue position of the tip of the strip-shaped material W changes due to deformation of the cassette carriage 2, the swingable support member 11 is brought into contact with the end surface of the backing plate 5 via the cylinder 15. As a result, the clamp position of the clamper 10 is automatically corrected, and the tip of the band-shaped material W is clamped in this state so as to coincide with the splice position Z of the splice device 4.

The clamp device 3 is constructed so that it can reciprocate between a position for clamping and positioning the strip material W by the rodless cylinder 20 and a splice position Z of the splicing device 4, and the strip material is clamped and positioned. The front end of W is transferred to a splice position with the rear end of the band-shaped material W. Next, a festooner 21 for adjusting the tension and length of the strip-shaped material W is installed between the cassette carriage 2 and the splice device 4, and the tip of the strip-shaped material W clamped by the clamp device 3 is attached. It efficiently supplies up to the splice position Z. The splicing device 4 has a pair of upper and lower fixed rollers 22 for sandwiching and fixing the rear end of the strip-shaped material W.
A crimping device 24 for crimping the two end portions in a state where they are accurately aligned is provided, and the end portions of the strip-shaped material W positioned and supplied as described above are crimped with high precision.

Next, a method for clamping and positioning the band-shaped material W and a method for joining (splicing) the end portions of the band-shaped material W will be described. In advance, cassette cart 2
A plurality of strip-shaped materials W in the form of a plurality of cassettes are rotatably mounted on the top at a predetermined pitch, and the cassette carriage 2 thus configured is conveyed to a supply stop position X of the strip-shaped material W. The leading end portion Wa of each strip-shaped material W placed on the cassette carriage 2 is indexed until it contacts the contact plate 5, as shown in FIG.

In such a state, when the tip end W of the strip-shaped material W is clamped and positioned by the clamp device 3, as shown in FIG. 3, the support member 11 is attached to the end surface of the backing plate 5 via the cylinder 15. Abut. At this time, even if the cassette carriage 2 is deformed or the strip-shaped material W is placed in a bent state, the support member 11 swings against the elastic force of the spring 16 and swings against the end surface of the backing plate 5. , And in this state the positional deviation of the strip material W is corrected,
In this state, it is clamped by the clamper 10.

When the clamp device 3 is transferred to the splice portion, the cylinder 15 is contracted to move the support member 11 until it comes into contact with the stopper 19 provided on the slide block 17, and at this time, the clamper 10 is moved.
The tip of the strip-shaped material W clamped by is positioned with respect to the splice position Z of the splicing device 4. When the tip of the strip-shaped material W is transferred to the splice position Z of the splicing device 4 from such a state, as shown by the alternate long and short dash line in FIG. Drive back one pitch with a drive,
At this position, the rodless cylinder 20 is moved to a predetermined splice position, and the end portions of the strip-shaped material W fixed to the splice portion by the splicing device 4 are accurately joined together.

As described above, when the tip end portion Wa of the strip-shaped material W placed on the cassette carriage 2 is clamped by the clamp device 3, even if the cassette carriage 2 is displaced, the clamp device 3 is deformed. The position is automatically corrected and positioned, and the splicing device 4 is transferred in this state, so that the splicing can always be performed with high accuracy.

[0018]

As described above, according to the present invention, the band-shaped material used as the tire constituent material is unwound from the cell of the cassette trolley and positioned with the tip thereof clamped by the clamp device, and then the splice of the splice device is positioned. By automatically correcting the displacement of the cassette carriage during the transfer to the position and supplying it to the splice position in this state, the front and rear end parts of the strip-shaped material are always accurately joined without manual intervention. In addition, the cassette carriage can be easily positioned, and even if the position of the cassette carriage is slightly changed due to deformation of the cassette carriage, there is an effect that an accurate joining operation can be always performed.

[Brief description of drawings]

FIG. 1 is a front view of a tip positioning and joining device for a band-shaped material W embodying the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is an enlarged plan view of an essential part of the present invention.

FIG. 4 is an enlarged front view of the clamp device.

[Explanation of symbols]

1 Tip Positioning and Joining Device 2 Cassette Cart 3 Clamping Device 4 Splicing Device 5 Patch Plate 16 Spring 15 Cylinder 17 Slide Block 20 Rodless Cylinder W Band Material X Supply Stop Position Z Splice Position

Claims (2)

[Claims] 1. A plurality of cassette-shaped strip-shaped materials are rotatably arranged at a predetermined pitch on a movable cassette carriage, and a movable pad plate that abuts the tip of the strip-shaped material. And a movable clamp device which is arranged in parallel with the arrangement direction of the cassette carriage and which grips the leading end portion of the strip-shaped material at a side portion of the supply stop position of the cassette carriage and transfers it while being positioned with respect to the splice position. And a splicing device for joining the end portions of the strip-shaped material, and the clamp device and the splicing device are movably installed in the arrangement direction of the strip-shaped material in correspondence with the pitch of the strip-shaped material. Material tip positioning and joining device. 2. A tip end portion of the strip-shaped material is provided between a cassette trolley on which a plurality of cassette-shaped strip-shaped materials are rotatably mounted at a predetermined pitch and a splice device for joining end portions of the strip-shaped material. A clamp device is installed for gripping and positioning and transferring it to the splice position. The clamp device is provided with a slide block that is linearly movable between the cassette carriage and the splice device via a cylinder. A front end positioning and joining device for a band-shaped material, characterized in that a support member having a clamper for holding the front end of the band-shaped material via a cylinder and a spring is attached to the block so as to swing and move back and forth.