JP2011126252A - Conveying device for tire constituting member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a conveying device for a tire constituting member capable of enhancing tire performance by eliminating the opening of a joint of a constant size breaker on the shaping drum and by conveying and winding and sticking the breaker with high precision and capable of enhancing productivity by smoothly conveying the breaker. <P>SOLUTION: The conveying device for the tire constituting member has a plurality of conveying conveyers arranged along a conveying direction for conveying the breaker toward the shaping drum and a cutter unit arranged between the conveying conveyer at upstream side and the conveying conveyer at a downstream side. The cutter unit has a cutter for cutting the breaker, a travelling means for causing the cutter to travel from one side to the other side of the direction of the conveying width, and a cutter plate at the upper side of which a travelling groove of the cutter is formed and which is arranged so that the upper face is located in the same planar face as the upper face of the conveying conveyer. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a tire component transporting device used in a tire molding servicer that cuts a breaker (band-like rubber member), which is a tire component, into a predetermined dimension and supplies a fixed dimension breaker to a tire molding drum.

  The tire molding servicer includes a tire component conveying device for feeding a breaker to a tire molding drum, and a plurality of material feeders that supply the breaker to the tire component conveying device (Patent Literature). 1).

  A conventional tire component conveying device will be described with reference to FIGS. 4 and 5. FIG. 4 is a perspective view showing a conventional tire component conveying device, and FIG. 5 is a perspective view showing a cutter unit of the conventional tire component conveying device. The cutter unit cuts the breaker A into a predetermined size. A cutter 501, a cutter travel unit 503 that travels the cutter 501 from one side in the transport width direction of the transport conveyor 502 that transports the breaker A to the other side, and a travel groove 504 of the cutter And an anvil 505 disposed on the transfer conveyor 502.

  As shown in FIGS. 4 and 5, the conventional tire component transporting device feeds the breaker A fed from the material feeder onto the transporting conveyor 502 and rides on the anvil 505 and stops it to a predetermined size. Then, the fixed-size breaker A1 is sequentially supplied to the forming drum B, wound around the forming drum B, and the cut end portions A2 of the fixed-size breaker A1 are joined together to form an annular tread ring. Further, in order to increase the bonding strength at the joint portion A3, the sword-shaped cut end portion A2 of the fixed-size breaker A1 is formed in a sword tip shape with a cutting edge inclined in one direction.

  In such a conventional tire component transport apparatus, since the anvil 505 is disposed on the transport conveyor 502, the breaker A must pass over the anvil 502. For this reason, there is a problem that the breaker A is lifted from the upper surface of the transfer conveyor 502 and deviates from the centering position, and in the joint portion A3, a gap between the cutting end portions A2 of the sword-shaped breaker A1 is opened. It was.

  In addition, since a gap for avoiding contact is provided between the anvil 504 and the transfer conveyor 502, the breaker A does not get over the anvil 504, and the tip of the breaker A sinks under the anvil 504 so as to cut the area. Therefore, there is a problem that the breaker A is clogged, and the breaker A cannot be transported to reduce the productivity.

JP-A-6-226880

  In view of solving the above problems, the present invention can improve tire performance by eliminating the opening of the joint portion of the fixed-size breaker on the forming drum and transporting, winding and sticking the breaker with high accuracy. Another object of the present invention is to provide a tire component transporting device that can smoothly transport a breaker and improve productivity.

The transport device for a tire constituent member of the present invention,
A tire conveying device used in a tire molding servicer that cuts a breaker fed from a material feeder into a predetermined size and supplies a fixed size breaker to a molding drum,
A plurality of transport conveyors arranged along a transport direction to transport the breaker toward the forming drum;
A cutter unit installed between the upstream conveyor and the downstream conveyor;
The cutter unit is
A cutter for cutting the breaker;
Cutter traveling means for traveling the cutter from one side in the conveyance width direction to the other side;
The cutter groove is formed on the upper surface side, and the cutter plate is arranged so that the upper surface is located in the same plane as the upper surface of the conveyor.

In addition, the conveying device for the tire constituent member,
The cutter running means is configured to run the cutter in an oblique direction with respect to a conveying direction and cut the breaker into a sword tip shape,
The traveling groove of the cutter plate is formed in an oblique direction with respect to the conveying direction in accordance with the traveling track of the cutter.

In addition, the conveying device for the tire constituent member,
The cutter plate is composed of a plurality of dividing grooves with a running groove,
The plurality of divided cutter plates with running grooves are arranged at diagonal positions along the running track of the cutter,
A conveyance auxiliary conveyor for assisting conveyance of the breaker is disposed at a diagonal position between the traveling cutter-equipped divided cutter plate and the conveyance conveyor.

In addition, the conveying device for the tire constituent member,
The cutter plate includes at least two divided cutter plates with traveling grooves divided in the conveying direction and the conveying width direction, and at least two divided cutter plates without the traveling grooves, and the divided cutter plates with traveling grooves and the The divided cutter plates are respectively arranged at diagonal positions.

Furthermore, the conveying device for the tire constituent member,
The adjacent divided cutter plates with running grooves are located on both the left and right sides with respect to the transport direction, and are arranged so that the sides face each other.

  According to the present invention, it is possible to improve the tire performance by eliminating the opening of the joint portion of the fixed-size breaker on the molding drum, and transporting, winding and sticking the breaker with high accuracy. To improve productivity.

It is a perspective view which shows one Embodiment of the conveying apparatus of the tire structural member which concerns on this invention. It is a perspective view which shows an example of the cutter unit of the conveying apparatus of the tire structural member which concerns on this invention. It is a top view which shows an example of the cutter unit of the conveying apparatus of the tire structural member which concerns on this invention. It is a perspective view which shows the conveying apparatus of the conventional tire structural member. It is a perspective view which shows the cutter unit of the conveying apparatus of the conventional tire structural member.

  Hereinafter, the present invention will be described based on the embodiments. Note that the present invention is not limited to the following embodiments. Various modifications can be made to the following embodiments within the same and equivalent scope as the present invention.

<Embodiment 1>
1. 1 is a perspective view showing an embodiment of a tire component conveying device according to the present invention, and FIG. 2 is an example of a cutter unit of the tire component conveying device according to the present invention. FIG. 3 is a plan view showing an example of a cutter unit of a conveying device for tire constituent members according to the present invention.

  As shown in FIGS. 1 to 2, the tire component conveying device is a device that cuts a breaker A fed from a material supply machine (not shown) to a predetermined length and supplies a fixed-size breaker A1 to a forming drum B. The conveying means 1 for conveying the breaker A and the fixed-size breaker A1, the cutter unit 2 for cutting the breaker A into a predetermined size to form the fixed-size breaker A1, and the entire apparatus automatically by program control And a control means (not shown) for controlling. The breaker A is cut so that the cutting edge of the cutting end A2 has a sword tip shape having a predetermined inclination angle.

(1) Conveying means The conveying means 1 is an apparatus that conveys the breaker A and the fixed-size breaker A1 to the forming drum B, and a plurality of conveyers 1a arranged along the conveying direction of the breaker A and the fixed-size breaker A1. It has.

  Each conveyor 1a includes a drive pulley 1c and a driven pulley 1d connected to a servo motor 1b, and an endless belt 1e wound around these pulleys 1c and 1d.

  A gap (hereinafter referred to as a cut area) for disposing the cutter unit 2 is provided between the upstream conveyor 1a and the downstream conveyor 1a.

(2) Cutter unit The cutter unit 2 includes a cutter 3 (blade) for cutting the breaker A, a cutter traveling means 4, a cutter plate 5, and a conveyance auxiliary conveyor 6, and the cutter plate 5 and conveyance auxiliary. The conveyor 6 is disposed in a cut area between the two conveyors 1a.

(A) Cutter traveling means The cutter traveling means 4 is inclined obliquely from one side to the other side in the conveyance width direction at the same inclination angle θ as the inclination angle of the blade tip shape of the breaker A with respect to the conveyance direction. It is a device that runs.

  The cutter traveling means 4 includes a slider 4a to which the cutter 3 is attached and a stay 4b. A guide rail 4c is provided side by side on the stay 4b, and the slider 4a moves along the guide rail 4c and crosses the breaker A diagonally. In this way, it is reciprocated by the drive mechanism. Although not shown, the drive mechanism includes a drive pulley and a driven pulley of a servo motor, and a cutter 3 is attached to an endless belt wound around these pulleys via a slider 4a.

(B) Cutter plate The cutter plate 5 is composed of two divided cutter plates 5a and 5b. On the upper surface side of each of the divided cutter plates 5a and 5b, the running grooves 51a and 51b of the cutter 3 are inclined with respect to the conveying direction. It is formed obliquely with θ.

  The division | segmentation cutter plates 5a and 5b are arrange | positioned so that the driving | running track | orbit of the cutter 3 may be followed on the diagonal of the cut area between the two conveyance conveyors 1a. The running grooves 51a and 51b of the divided cutter plates 5a and 5b are formed so as to coincide with the running track of the cutter 3, and the groove ends are arranged close to each other so as not to hinder the running of the cutter 3.

(C) Conveyance auxiliary conveyor The conveyance auxiliary conveyor 6 includes a driving pulley 6b and a driven pulley 6c connected to the servo motor 6a, and an endless belt 6d wound around the pulleys 6b and 6c. The conveyance auxiliary conveyor 6 is disposed at a diagonal position in the cut area between the two conveyance conveyors 1a of the conveyance means 1 and the divided cutter plates 5a and 5b.

  Further, the upper surfaces of the divided cutter plates 5a and 5b, the upper surface of the auxiliary conveying conveyor 6, and the upper surface of the conveying conveyor 1a of the conveying means 1 are positioned in the same plane.

  Further, the inclination angle of the cut end A2 of the breaker A is changed as appropriate, and the change area of the inclination angle θ corresponding to the change is indicated by the oblique lines in FIG. And according to the angle change, the cutter traveling means 2 adopts a configuration in which the traveling path of the cutter 3 can be changed, and the divided cutter plates 5a and 5b have a traveling groove 51a formed with the changed inclination angle θ. , 51b are replaced with divided cutter plates 5a and 5b.

2. Description of Operation of Conveying Device for Tire Constituent Member (1) Carrying in from Material Feeder First, the breaker A wound in a roll shape is unwound from the material feeding machine and carried into the conveyor 1.

(2) Cutting the breaker A After the breaker A transported by the transport conveyor 1a enters the cut area and reaches the upper surface of the cutter plate 5 and the transport auxiliary conveyor 6, the cutter plate receives the transport action of the transport auxiliary conveyor 6. The top 5 slides smoothly to move in the transport direction.

  And when the scheduled cutting location of the breaker A comes on the traveling groove 5a of the cutter plate 5, the conveyor 1a and the auxiliary conveyor 6 are temporarily stopped. Then, by causing the cutter 3 to run obliquely from one side to the other side in the conveyance width direction, the breaker A is cut into a predetermined size, and the cut end A2 is formed into a sword tip shape with the cutting edge inclined to one side. Is done.

(3) Winding around the forming drum After the breaker A is cut, the conveyance of the breaker A is resumed, and the fixed-size breaker A1 is wound around the forming drum B and formed.

3. Advantages of the present embodiment (1) According to the present embodiment, since the cutter plate 5 whose upper surface is located in the same plane as the upper surface of the transfer conveyor is disposed instead of the anvil, the breaker gets over the anvil to break the breaker. A does not shift from the centering position and the joint part A3 of the fixed-size breaker A on the forming drum is not opened (see FIG. 1).

(2) Moreover, since it can also prevent that the front-end | tip part of the breaker A sneaks under an anvil and becomes impossible to convey, productivity of a tire can be improved.

(3) Moreover, even if the cutter plate 5 is arranged in the cut area, the conveyance operation of the breaker A is not interrupted in the cut area by the conveyance auxiliary conveyor 6.

  That is, for the conveyance of the breaker A within the cut area, the conveying action to the breaker A by the upstream conveyance auxiliary conveyor 6 (indicated by the arrow C1 in FIG. 3) ends at the end of the conveyor 6, but ends. Immediately afterwards, the conveying action (indicated by an arrow C2 in FIG. 3) of the downstream conveying auxiliary conveyor 6 can be applied to the breaker A. Therefore, the conveying action of the breaker A may be interrupted in the cutting area due to the presence of the cutter plate 5. Absent.

(4) In addition, when changing the inclination angle θ that the cutter 3 travels, it is only necessary to leave the transport auxiliary conveyor 6 and replace only the divided cutter plates 5a and 5b with travel grooves. Cost can be reduced.

(5) Further, since the divided cutter plates 5a and 5b having the running grooves can be formed point-symmetrically, the divided cutter plate 5a (5b) is rotated by 180 degrees in the plane, thereby dividing the divided cutter plate. It can be used as 5b (5a), and the production cost of the cutter plate can be reduced.

<Embodiment 2>
The second embodiment is configured by arranging a divided cutter plate without a running groove in place of the conveyance auxiliary conveyor 6. In addition, since the structure of the conveyance apparatus of a tire structural member other than this is the same as that of Embodiment 1, description is abbreviate | omitted.

  According to the second embodiment, since the conveyance of the breaker A and the fixed-size breaker A1 is sufficient only by the conveyance force of the conveyance means 1, when the conveyance auxiliary conveyor 6 becomes unnecessary, the travel groove is formed at the position of the conveyance auxiliary conveyor 6. By arranging no divided cutter plate, the cut area can be constituted only by the cutter plate, the manufacturing cost is reduced, and the structure is also simplified.

<Third embodiment>
In the third embodiment, the divided cutter plates with running grooves that are adjacent to each other are arranged so that their upper surfaces are in the same plane, are located on the left and right sides with respect to the transport direction, and the sides face each other. It is composed. In addition, since the structure of the conveying apparatus of a tire structural member other than this is the same as that of Embodiment 1, description is abbreviate | omitted.

  According to the third embodiment, since the side portions of the divided cutter plates with running grooves can be brought into close contact with each other, the alignment of the divided cutter plates is facilitated, and the divided cutter plate assembling work is facilitated. Moreover, also when providing a conveyance auxiliary conveyor, the full length of a conveyance conveyor can be stopped to the minimum length required for conveyance assistance, and cost can be held down.

DESCRIPTION OF SYMBOLS 1 Conveyance means 1a, 502 Conveyor 1b, 6a Servo motor 1c, 6b Drive pulley 1d, 6c Driven pulley 1e, 6d Endless belt 2 Cutter unit 3, 501 Cutter 4, 503 Cutter travel means 4a Slider 4b Stay 4c Guide rail 5 Cutter plate 5a, 5b Divided cutter plate 6 Auxiliary conveyor 51a, 51b, 504 Traveling groove 505 Anvil A Breaker A1 Fixed dimension breaker A2 Cutting end A3 Joint part B Forming drum θ Inclination angle

Claims (5)

A tire conveying device used in a tire molding servicer that cuts a breaker fed from a material supply machine into a predetermined size and supplies a fixed size breaker to a molding drum,
A plurality of transport conveyors arranged along a transport direction to transport the breaker toward the forming drum;
A cutter unit installed between the upstream conveyor and the downstream conveyor;
The cutter unit is
A cutter for cutting the breaker;
Cutter traveling means for traveling the cutter from one side in the conveyance width direction to the other side;
A transport apparatus for a tire constituent member, comprising: a cutter plate which is formed so that a travel groove of the cutter is formed on an upper surface side and the upper surface is positioned in the same plane as the upper surface of the transport conveyor. The cutter running means is configured to run the cutter in an oblique direction with respect to a conveying direction and cut the breaker into a sword tip shape,
2. The tire component conveying device according to claim 1, wherein the traveling groove of the cutter plate is formed in an oblique direction with respect to the conveying direction in accordance with the traveling track of the cutter. The cutter plate is composed of a plurality of divided cutter plates with running grooves,
The plurality of divided cutter plates with running grooves are arranged at diagonal positions along the running track of the cutter,
The conveyance of a tire constituent member according to claim 2, wherein a conveyance auxiliary conveyer that assists conveyance of the breaker is arranged at a diagonal position between the divided cutter plate with the traveling groove and the conveyance conveyor. apparatus.   The cutter plate is composed of at least two divided cutter plates with traveling grooves divided in the conveying direction and the conveying width direction, and at least two divided cutter plates without the traveling grooves, the divided cutter plates with traveling grooves and the The conveying device for a tire constituent member according to claim 2, wherein the divided cutter plates are respectively arranged at diagonal positions.   5. The tire according to claim 3, wherein the adjacent divided cutter plates with running grooves are positioned on both left and right sides with respect to the conveying direction, and are arranged so that the sides face each other. Conveying device for components.

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