KR101123507B1 - First case building machine which can use both as turn-up and turn-down - Google Patents

Abstract

The present invention relates to a primary case forming apparatus used in a tire forming process, which is configured to perform both a turn-up or a turn-down primary case forming operation, which is a turn-up / turn-down combination. It relates to a primary case forming apparatus.
The turn-up / turn-down combined primary case forming apparatus proposed by the present invention includes a carcass assembling drum which can be replaced according to the molding method of the primary case, and a carcass assembling drum according to the molding method of the primary case. A carcass servicer that can supply the inner liner, body ply and sidewall in order, or the inner liner-sidewall preassembly and body ply in turn, and the turn placed on the left rear and right of the carcass assembly drum Stitch-up devices , carcass bead transfer rings placed on the left side of the carcass assembly drum to move left and right over the beds arranged below the carcass assembly drum, and tire semi-finished products wound on the carcass assembly drum Under Teacher's carcass so that you can roll and turn-placed in the lower portion of the drum assembly - includes the Download Teacher's, of these, the carcass building drum The turn-up device disposed at the left rear end is capable of moving back and forth in a direction perpendicular to the axial direction of the carcass assembly drum on a bed disposed below the carcass assembly drum and not interfering with the carcass bead transfer ring. It is characterized by that.

Description

FIRST CASE BUILDING MACHINE WHICH CAN USE BOTH AS TURN-UP AND TURN-DOWN}

The present invention relates to a primary case forming apparatus used in a tire forming process, which is configured to perform both a turn-up or a turn-down primary case forming operation, which is a turn-up / turn-down combination. It relates to a primary case forming apparatus.

The green case forming process of the tire manufacturing process is a process of assembling the semi-finished products manufactured in the previous process to a tire building machine and assembling them into a green case. The first case forming process and the second case forming process Consists of

The primary case forming process, in which the inner liner, body ply, sidewall, and beads are assembled, is performed depending on the use of the inner liner-sidewall preassembly (PRE-ASSEMBLY, PA) and the structure of the carcass assembly drum. The assembly of semi-finished products is carried out in the primary case forming apparatus of the up or turn-down method.

Among them, the primary case molding operation is performed in the following order in the turn-up primary case molding apparatus .

1. In case of reducing the CARCASS BUILDING DRUM (C.X.D) driven by the servo motor, the inner liner-sidewall pre-assembly (PRE-ASSEMBLY) ) Is supplied onto the C.X.D, and the PHA is adhered to the C.X.D using an applicator, and then the joint portion is pressed with a pressing roll.

2. Subsequently, through the carcass servicer, two body plies are sequentially supplied onto the pa, using an applicator to attach the body ply onto the pa, and then pressing the joint site with a pressing roll.

3. Then, on the C.X.D image on which the body ply is wound, using a carcass bead transfer ring (hereinafter referred to as C.X.T.R) disposed on the left side of the C.X.D. Seating the beads in a fixed position.

4. Then, with the air inflated by injecting air into the rubber-made Bradder positioned outside the bead, with the turn-up ring of C.T.R, the bladder is moved from the outside to the inside. Pushing to wrap the bead so that the end of the body ply is turned up about the bead.

5. Finally, stitching the turn-up site with an under roll stitcher.

On the contrary, in the turn-down primary case forming apparatus , the primary case forming operation is performed in the following order.

1. Unlike turn-up type C.X.D, C.X.D center drum composed of center drum and bladder drum is inflated, and the inner liner and 1 to 1 through the carcass servicer. Feeding two body plies in turn onto the center drum and attaching them to the center drum using an applicator and a squeeze roll.

2. Then, the turn-up device disposed on the left rear end of the C.X.D is advanced to the pneumatic cylinder, and the inner liner and body ply attached on the center drum, using the finger of the turn-up device, are attached. Squeezing the ends of the to create a space for the beads to enter.

3. Then, mounting the beads to the ends of the innerliner and body ply using the BEAD SETTER of the turn-up device.

4. Subsequently, with the inflated bladder of the bladder drums disposed on both sides of the center drum, the bladder is pushed from the outside to the inward with the turn-up ring of the turn-up device, so as to end the body ply. Wrapping the bead so that it is turned up around the bead and stitching the turn-up site with an under roll stitcher.

5. After completion of turn-up, feed one body ply onto the center drum through a carcass servicer and attach it onto the center drum using a squeeze roll.

6. Finally, feed the sidewall onto the center drum through the carcass servicer, attach the sidewall onto the body ply wound on the center drum using the applicator and the squeeze roll, then turn-down stitcher Lower stitching of the body ply and sidewall down to the bottom of the bead.

Currently, the turn-up type primary case forming apparatus and the turn-down type primary case forming apparatus are arranged and used in different manufacturing lines. Nobody can help you with that. In other words, the change in output caused by the change in demand is inelastic.

In addition, in order to have two different manufacturing lines, it is necessary to provide such a large space, and therefore, more cost is required to establish a manufacturing line.

For this reason, it is required to build a new manufacturing line that can operate more efficiently than the current.

The present invention has been made in view of this point, and it is possible to produce two kinds of primary cases having different molding methods, and to achieve space saving of the device, which is a turn-up / turn-down combined primary case. An object is to provide a molding apparatus.

In order to solve the above problems, the turn-up / turn-down combined primary case forming apparatus according to the present invention, the turn-up / turn-down combined use 1 to assemble semi-finished products of different types to form a primary case A car case forming apparatus, comprising: a carcass assembly drum which can be replaced according to a molding method of a primary case; According to the primary case forming method, a carcass servicer capable of supplying the inner liner, the body ply and the sidewall to the carcass assembly drum in order, or the inner liner-sidewall preassembly and the body ply in order; A turn-up device disposed respectively at the left rear end and the right side of the carcass assembly drum; A carcass bead transfer ring disposed on the left side of the carcass assembly drum to move from side to side on a bed (BED) disposed below the carcass assembly drum; An under roll stitcher and a turn-down stitcher placed below the carcass assembly drum for stitching the semi-finished products wound on the carcass assembly drum; Among them, the turn-up device disposed on the left rear end of the carcass assembly drum, can be retracted in a direction perpendicular to the axial direction of the carcass assembly drum on the bed disposed below the carcass assembly drum, Moreover, it is comprised so that it may not interfere with a carcass bead transfer ring.

Further, in one embodiment of the present invention, the carcass servicer includes an inner liner supply unit for supplying an inner liner to the carcass assembly drum, and a plurality of body plies for sequentially supplying at least two or more body plies to the carcass assembly drum. Body ply supply , sidewall supply for supplying the sidewall to the carcass assembly drum, preliminary assembly provided between the innerliner supply and the carcass assembly drum to form the innerliner-sidewall preassembly, and the inner a side wall which is assembled with the liner are connected to one pre-assembled parts so as to be supplied to the pre-assembly unit? the sidewall supply for the installation assembly, the carcass to approach or recede on the building drum a carcass is installed adjacent to the building drum It characterized in that it is composed of a locator application.

Each of the above-mentioned components is all known by the turn-down primary case forming apparatus and the turn-up primary case forming apparatus according to the prior art.

Therefore, the present invention, among the components of the turn-down primary case forming apparatus and the turn-up primary case forming apparatus according to the conventional configuration, the components that can be used in common regardless of the molding method Therefore, by arranging appropriately in the form that the components that can only be selected and used according to the molding method can be driven without causing interference with each other, one primary case molding apparatus, all of the two primary cases with different molding methods It is characterized by the ability to produce.

According to the turn-up / turn-down combined primary case forming apparatus according to the present invention, it is possible to produce both kinds of primary cases molded in different ways to cope with the diversification of tire standards.

In addition, the turn-up / turn-down combined primary case forming apparatus according to the present invention integrates two primary case forming apparatuses according to a conventional configuration into one, thereby achieving space saving of the apparatus.

1 is a plan view showing the arrangement of the main components of the turn-up / turn-down combined primary case forming apparatus according to the present invention.
Figure 2 is a left side view showing the arrangement of the main components of the turn-up / turn-down combined primary case forming apparatus according to the present invention, the turn-up device and the carcass bead transfer disposed on the left side of the carcass assembly drum Left side view with the ring omitted.
Figure 3 is a front view showing the arrangement of the main components of the turn-up / turn-down combined primary case forming apparatus according to the present invention, a front view showing the carcass service omitted.

Hereinafter, based on the drawings, the configuration and operation relationship of the turn-up / turn-down combined primary case forming apparatus according to an embodiment of the present invention.

Example

1 to 3, the turn-up / turn-down combined primary case forming apparatus according to an embodiment of the present invention, carcass assembly drum that can be replaced according to the molding method of the primary case Inner liner, body ply and sidewall are supplied to C.D.20 and C.D.20 in order, or inner liner-sidewall preassembly (PA) Carcass service provider 10 which can supply body plies in order, turn-up device 30L (30R) which is arrange | positioned at the left rear end and the right side of C.D.D20, and C.V. Carcass bead transfer ring (hereinafter referred to as C.X.T.R) disposed on the left side of C.X.D 20 so as to be able to move from side to side on the bed 60 arranged below .D20. ) And an under roll stitcher 50A and turn-downs disposed below the C.D.D 20 so as to stitch the semi-finished product wound on the C.D.D 20. It consists of a hit (50B).

In addition, the carcass service provider 10 includes an inner liner supply unit 11 for supplying an inner liner to the C.X.D 20 and at least two body plies to the C.X.D 20. To form a plurality of body ply supply portions 13, 14, 15 for supplying the sequential portions, sidewall supply portions 16 for supplying sidewalls to the C.D.D 20, and pa Pre-assembly so that the pre-assembly unit 17 provided between the inner liner supply unit 11 and the C.X.D (20), and the side wall for assembling with the inner liner can be supplied to the pre-assembly unit 17 It is comprised by the sidewall supply part 12 for assembly connected and provided in one side of (17), and the applicator 18 provided adjacent to the C.D.D.20.

In addition, the applicator 18 is configured to be up / down by a pneumatic cylinder so that semi-finished products can be assembled on the C.X.D 20. For example, when the applicator is down by the pneumatic cylinder toward the C.D.20, the tire semifinished product supplied to the C.D.D20 is the surface of the C.D.D or other tire semifinished product that is attached first. It is attached on top. Subsequently, the servo motor 21 of C.V.D is operated to rotate the C.V.D 20 coupled to the drive shaft 22 by one rotation, and the semi-finished product of the tire is pressed by the applicator. It is wound up on the D20.

Working relationship

When the turn-up / turn-down combined primary case forming apparatus according to the present embodiment is operated in a turn-down manner, since no PA is required, the preliminary assembly unit 17 and the sidewall supply unit 12 for assembling are It is deprecated and the other components are operated in the following order.

First, while the center drum of the C.X.D 20 is inflated, the inner liner and one to two body plies are connected to the center drum through the inner liner supply part 11 and the body fly supply parts 13 and 14. Are sequentially fed, and these semi-finished products are assembled on the center drum using the applicator 18 and the pressing roll.

Next, the turn-up device 30L disposed at the left rear end of the C.D.D 20 is advanced on the bed 60 so that the turn-up device 30L is located at the left side of the C.D.D 20. ). In this state, both ends of the inner liner and the body ply assembled on the center drum are pressed using the fingers provided in the respective turn-up devices 30L and 30R, so that the beads can enter. Create a space

Then, the beads are mounted on both ends of the innerliner and the body ply by using bead setters provided in the respective turn-up devices 30L and 30R.

Next, in the state in which the bladder of the bladder drum of the C.X.D 20 is inflated, the bladder is pushed by the turn-up ring provided in the turn-up devices 30L and 30R, so that The end is turned up and the turn-up portion is stitched with an under roll stitcher 50A.

Thereafter, after supplying one body ply through the body ply supply unit 15 and attaching it to the center drum, the sidewall supply unit 16 supplies the sidewall to the center drum, and the applicator and the compression roll are applied. After use, the sidewall is attached onto the body ply wound on the center drum, and the body ply and sidewall are stitched to the bottom of the bead with an under roll stitcher 50A and a turn-down stitcher 50B.

Finally, the turn-up device 30L, which is on the left side of the C.V.D 20, is retracted to the original position on the bed 60, and then the C.V.T. The finished primary case is taken out from the C.X.D 20 by moving toward the .D20 side.

In contrast, when the turn-up / turn-down combined primary case forming apparatus of this embodiment is operated in a turn-up manner, pa is required, and thus the preliminary assembly portion 17 and the sidewall supply portion 12 for assembly are provided. Is used. However, the turn-up device 30L (30R), one of the body fly supply unit 15 and the sidewall supply unit 16 used when operating in the turn-down manner are suspended. The operation of each component is performed in the following order.

First, after installing the C.D.20 having a structure different from the C.D.D of the turn-down system, the sidewall supply unit for assembly (in the state where the C.D.D.20 is reduced) 12) and the inner liner supply unit 11, supply the inner liner and the side wall for assembly into the preliminary assembly unit 17 to produce a pa, and through the preliminary assembly unit 17, the PA. It supplies to D20. The PA supplied to the C.D.D 20 is attached onto the C.D.D 20 using an applicator, and then the joint portion is crimped with a pressing roll.

Subsequently, two body plies are sequentially supplied onto the pa through the body ply supply units 13 and 14, and the body ply is attached onto the pa using the applicator 18, and then the joint site is pressed with a pressing roll. Squeeze.

Then, the beads are seated at the predetermined positions on the C.D.D.20 on which the body plies are wound using the C.V.T.R 40 arranged on the left side of the C.D.D.20. Let's do it.

Thereafter, while inflating by inflation with a rubber-made Bradder located on the outside of the bead, push the Brader from the outside to the inside with a turn-up ring of C.T.R.40, the body ply The end of the wrap around the bead so that it is turned up about the bead.

Finally, the turn-up part is stitched with an under roll stitcher, the primary case is taken out by the C.T.R 40, and the primary case is transferred to the forming drum for making the green case.

In the above, the first case forming apparatus for a turn-up / turn-down combined use according to an embodiment of the present invention has been described, but the scope of the present invention is not limited only to this embodiment. Therefore, within the scope of the claims of the present invention or from the description of the above-described embodiments, matters which can be easily inferred and changed by design should be interpreted as being included in the present invention. something to do.

10.CARCASS SERVICER
11.INNER LINER SUPPLIER
12.SIDEWALL SUPPLIER FOR ASSEMBLY
13,14,15 ... BODY PLY SUPPLIER
16.SIDEWALL SUPPLIER
17.PRE-ASSEMBLING PART
18.APPLICATOR
20 ... CARCASS BUILDING DRUM (C.V.D)
21.SERVO MOTOR
22.DRIVING SHAFT
30L, 30R ... TURN-UP DEVICE
40.CARCASS BEAD TRANSFER RING (C.Ｂ.Ｔ.Ｒ)
50 A ... UNDER ROLL STITCHER
50B ... TURN-DOWN STITCHER
60 ... BED

Claims (2)

It is a turn-up / turn-down primary case forming apparatus that assembles semi-finished products of different types and forms them into a primary case.
Carcass assembly drum which can be replaced by the shaping | molding method of a primary case;
A carcass servicer capable of supplying an inner liner, a body ply and a sidewall in order on the carcass assembly drum, or an inner liner-sidewall preassembly and a body ply in order according to a molding method of a primary case;
A turn-up device disposed at the left rear end and the right side of the carcass assembly drum, respectively;
A carcass bead transfer ring disposed on the left side of the carcass assembly drum to move from side to side on a bed disposed below the carcass assembly drum;
An under roll stitcher and a turn-down stitcher disposed below the carcass assembly drum to stitch the semi-finished products wound on the carcass assembly drum; Including;
Turn-up device disposed on the left rear end of the carcass assembly drum,
It is possible to advance and retreat in the direction perpendicular to the axial direction of the carcass assembly drum on the bed arrange | positioned under the said carcass assembly drum, Comprising: It is comprised so that it may not interfere with each other with the said carcass bead transfer ring. Primary case forming device for both turn-up and turn-down. The method of claim 1,
The carcass servicer,
An inner liner supply unit for supplying an inner liner to the carcass assembly drum;
A plurality of body ply supply parts for sequentially supplying at least two or more body plies to the carcass assembly drum;
A sidewall supply unit for supplying a sidewall to the carcass assembly drum;
A preassembly installed between the innerliner supply unit and the carcass assembly drum to form an innerliner-sidewall preassembly;
An assembly sidewall supply unit connected to one side of the preliminary assembly so that a sidewall assembled with an inner liner can be supplied to the preassembled unit;
Turn-up / turn-down combined primary case forming apparatus comprising an applicator installed adjacent to the carcass assembly drum to approach or withdraw the carcass assembly drum.

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