KR20100026688A - Joint splicing apparatus for semi-finished material sheets of tire - Google Patents

Abstract

PURPOSE: A joint splicing apparatus of a sheet semi-product for tire is provided to prevent a joint overlap or a joint open by constantly locating a joint splicing by the thickness of an aligning steel plate. CONSTITUTION: A joint splicing apparatus of a sheet semi-product for tire comprises the following: a fabric supply unit including a fastener supplying a sheet fabric of a tire, an E.P.C guide aligning the sheet fabric supplied through the fastener, and a conveyor(13) to transfer the sheet fabric; a cutting unit to cut the sheet fabric into the sheet semi-product with a fixed standard; a joining unit(20) successively combining the sheet semi-product; a front conveyor supplying a cut sheet semi-product to the joining unit; a back conveyor(35) transferring the sheet semi-product completed with the combining process; and an aligning steel plate(25) included in the joining unit.

Description

Joint Splicing Apparatus for Semi-finished Material Sheets of Tire}

The present invention relates to a joint splicing apparatus for joining a sheet semi-finished product cut to a certain standard in the tire manufacturing process, in particular, by optimizing the joint standby position for the splicing operation of the sheet semi-finished product, the sheet semi-finished product is allowed The present invention relates to a joint splicing device for a tire seating product for preventing joints from being overlapped or opening during splicing operations, thereby improving joint splicing quality.

In general, the carcass ply of truck and bus tires (hereinafter referred to as 'TBR tires') is large in size, and thus, it is difficult to manufacture a single sheet-like product like the carcass ply of a passenger car tire. That is, in order to manufacture a carcass ply suitable for a TBR tire as a single sheet product, the size of the sheet product must be increased, and accordingly, the size of the apparatus for manufacturing the sheet product is also increased. In this case, the manufacturing cost of the sheet semi-finished manufacturing apparatus is increased, as well as a large installation space is required to cause a cost increase.

Therefore, in most cases, a carcass ply is manufactured by manufacturing a sheet fabric of a normal size, cutting it to a certain standard, and then forming a sheet semi-finished product, and then continuously joining them. At this time, the device used, that is, the device for continuously joining the sheet semi-finished products cut to a certain standard is called a joint splicing device.

Usually, the joint splicing device of the tire sheet semi-finished product is jointed to the rear end of the sheet semi-finished product first supplied and the front end of the sheet semi-finished product supplied later, and the sheet semi-finished product uses a shear conveyor driven by a servo motor. At this time, in order to determine the supply position of the sheet semi-finished product, the positioning value of the electric program through the belt of the shear conveyor is used.

However, the conventional splicing device for tire sheet semifinished products has a problem in that bonding between the semi-finished sheets is not completely made according to the supply state of the semi-finished sheets.

In other words, if there is a deformation according to the fabric tension or cutting state of the sheet semifinished product to be supplied later, it is difficult to move the sheet semifinished product to the correct splicing position, and thus the bonding with the sheet semifinished product supplied first is not completed. Will not.

In addition, if the parallel state between the front end of the sheet semifinished product to be supplied later and the rear end of the sheet semifinished product first supplied is slightly misaligned, the joint overlap between the sheet semifinished products or the joint opening that opens between the sheet semifinished products is opened. Such as a joint failure occurs.

Since such joint defects cause deterioration of the quality of the finished tires, most of the cases in which there is a risk of joint defects such as joint overlap or joint opening, the work is stopped and the operator directly rearranges the sheet semi-finished products at the joint position. The production speed is lowered.

The present invention has been made to solve the above-mentioned conventional problems, by optimizing the joint standby position of the sheet semi-finished product for the splicing operation between the sheet semi-finished product, so that the sheet semi-finished product is not twisted beyond the allowable range and also splicing Provides a joint splicing device for tire seated products to prevent the overlapping or opening of the seated products during operation to improve the quality of joint splicing and to prevent the decrease in production speed due to interruption of work. Its purpose is to.

Joint splicing device for tire seat semi-finished products of the present invention for achieving the above object, the edge position controller (EPC) for aligning the fastener to supply the sheet fabric of the tire, and the sheet fabric supplied through the fastener. A fabric supply unit comprising a guide and a conveyor for transporting the sheet fabric; A cutting unit for cutting and cutting the sheet fabric supplied through the fabric supply unit into a sheet-finished product having a predetermined standard; A joint part installed at a 90 degree position with respect to the advancing direction of the sheet fabric to join sheet semi-finished products sequentially supplied; A shear conveyor for supplying the sheet semi-finished product cut by the cutting unit to the joining unit; And a rear end conveyor for conveying the finished sheet semi-finished product at the joint part, wherein the joint part includes an alignment iron plate for aligning the shear positions of the sheet semi-finished products placed on the shear conveyor when the front conveyor moves toward the joint part. It is characterized by.

Moreover, according to the joint splicing apparatus of the tire sheet semifinished product of this invention, the said joining part is the upper and lower zipper rolls joined together while moving left and right from the upper and lower sides of the said sheet semi finished product, and the upper and lower zipper rolls for driving. And an upper and lower zipper roll bundle comprising a cylinder, upper and lower supporters for supporting them, upper and lower ball screws for movement, and upper and lower motors for driving the upper and lower ball screws.

In addition, according to the joint splicing device of the tire seat semi-finished product of the present invention, the joint portion, the upper and lower zipper roll bundles are installed in the left and right symmetry, respectively, to operate in correspondence with each other up and down and independently from each other from side to side It is characterized by.

In addition, according to the joint splicing device of the tire sheet semi-finished product of the present invention, the alignment iron plate is installed on the left side of the lower left zipper roll and the right side of the lower right zipper roll, respectively, characterized in that moving together with the lower zipper roll bundle. .

And, the joint splicing device of the tire sheet semi-finished product of the present invention is installed on the side of the shear conveyor to limit the movement of the sheet semi-finished product in the conveying direction and straight line for guiding the shear conveyor to move in the direction of the joint Characterized in that it further comprises a movement guide.

According to the joint splicing device of the tire seat semi-finished product of the present invention described above, the joint splicing position interval is made constant by the thickness of the alignment steel sheet, so that the joint splicing does not occur, such as a joint failure or a joint opening. It has the effect of improving the quality.

In addition, according to the joint splicing device of the tire sheet semi-finished product of the present invention, even if the sheet semi-finished product is twisted beyond the loading range, the position is optimized by the alignment iron plate, so that no work interruption for the position adjustment of the sheet semi-finished product does not occur. The production speed is not reduced.

Hereinafter, with reference to the accompanying drawings, the present invention will be described a joint splicing device for a sheet-finished product for tires as follows.

1 is a conceptual view schematically showing a joint splicing apparatus for a tire seat semi finished product according to the present invention, FIG. 2 is a block diagram showing a junction part which is a main part configuration of the present invention, and FIG. 3 is a main part configuration of the present invention. It is a top view of a junction part.

The joint splicing apparatus for a tire seat semi finished product according to the present invention includes an EPC guide for aligning a fastener 11 for supplying a sheet fabric of a tire and the seat fabric supplied through the fastener 11 ( 12) and a fabric supply unit (10) consisting of a conveyor (13) for transporting the sheet fabric; A cutting unit 15 for cutting and cutting the sheet fabric supplied through the fabric supply unit 10 into a sheet semifinished product having a predetermined standard; A joining part 20 installed at a 90-degree position with respect to the advancing direction of the sheet fabric to bond sheet semi-finished products sequentially supplied; A shear conveyor (30) for supplying the sheet semi-finished product cut by the cutting unit (15) to the bonding unit (20); A rear end conveyor 35 for transferring the sheet half-finished product in which the bonding part 20 is bonded; Installed on the side of the shear conveyor 30 to limit the movement of the sheet semi-finished product in the conveying direction and the linear guide (31) for guiding the shear conveyor 30 to move in the direction of the junction 20 and the It comprises a winding device 36 for recovering the sheet semi-finished product conveyed by the rear conveyor (35).

Here, the joint portion 20 is the upper and lower zipper rolls (21a, 21b) and the driving upper and lower zipper roll cylinders (22a, 22b) to be joined while moving left and right respectively from the upper and lower sides of the sheet semi-finished product and Upper and lower zipper roll bundles A and B consisting of upper and lower support members 23a and 23b for supporting them, upper and lower ball screws 24a and 24b for movement, and the upper and lower ball screws 24a and 24b. Alignment to align the shear position of the sheet and semi-finished product positioned on the shear conveyor 30 when the shear conveyor 30 moves toward the junction 20, and the upper and lower motors 26a and 26b for The iron plate 25 is comprised.

On the other hand, the upper and lower zipper roll bundles (A, B) are installed in the left and right symmetry, respectively, so as to operate up and down corresponding to each other and to operate independently from each other in the left and right. That is, the upper and lower zipper rolls 21a and 21b, the upper and lower zipper roll cylinders 22a and 22b, the upper and lower support members 23a and 23b, and the upper and lower ball screws 24a and 24b are paired, respectively. It is installed on the left and right to achieve. In addition, the alignment iron plate 25 is installed on the left side of the lower left zipper roll 21b-L and the right side of the lower right zipper roll 21b-R, respectively, to move together with the lower zipper roll bundle B.

The joint splicing device of the tire sheet semifinished product of the present invention configured as described above prevents the occurrence of a joint failure such as a joint overlap or a joint overlap by allowing the sheet semi finished product to wait at an optimal position by the alignment steel sheet.

The sheet fabric supplied through the fastener 11 of the fabric supply unit 10 is continuously transferred by the conveyor 13 in a state aligned by the E.P.C guide 12. Thereafter, the sheet fabric is cut by the cutting unit 15 to be cut into a sheet-finished product of a predetermined standard, the cut sheet-finished product is supplied to the shear conveyor (30). The sheet semi-finished product supplied to the shear conveyor 30 is limited in its movement by the linear guide (31), and when the sheet semi-finished product is placed in the stop position, a separate cylinder device (not shown) installed in the shear conveyor 30 The shear conveyor 30 is moved in the direction of the junction portion 20 is installed at a 90 degree position in the conveyance direction of the fabric. Therefore, the front end portion (the side portion of the sheet fabric) of the sheet semi-finished product is aligned in contact with the alignment iron plate 25 provided in the joining portion 20. At this time, it is obvious that the supply of the sheet fabric by the fabric supply unit 10 is stopped.

Thereafter, the upper and lower motors 26a and 26b operate to move the upper and lower zipper roll bundles A and B, respectively, to perform the joining operation on the sheet semi-finished product. That is, the upper and lower support members 23a and 23b connected to the ball screw by bearing are moved from the middle position of the sheet semifinished product to the left direction by the ball screw positioned on the left side of the upper and lower ball screws 24a and 24b. In this case, the upper and lower zipper rolls 21a and 21b are operated by the upper and lower zipper roll cylinders 22a and 22b respectively connected to the upper and lower support members 23a and 23b, and are moved first accordingly to the rear conveyor. The rear end portion of the sheet semi-finished product positioned at 35 and later moved to join the front end of the sheet semi-finished product positioned at the front end conveyor 30 so that the sheet semi-finished products are connected to each other. Subsequently, the upper and lower support members 23a and 23b connected by bearings to the ball screws 24a and 24b located on the right side move to the right side from the middle position of the sheet semifinished product to the upper and lower zipper roll cylinders 22a and 22b. The upper and lower zipper rolls 21a and 21b are operated to bond the sheet semifinished product, thereby completing the bonding to the sheet semifinished product.

When the sheet semi-finished product is bonded through the above process, the upper and lower motors 26a and 26b are operated to return the upper and lower zipper roll bundles A and B to their initial positions, and at the same time, the shear conveyor 30 is also Return to the initial position and supply of the sheet fabric by the fabric supply unit 10 is resumed. Then, the rear stage conveyor 35 is operated to wind the bonded sheet semi-finished product to the winding device 36.

Since the front end portion of the sheet semi-finished product moved later is bonded to the rear end of the sheet semi-finished product first moved while being aligned in contact with the alignment iron plate 25, the gap between the sheet semi-finished products is kept constant so that the joint overlap or joint opening and The same joint failure will not occur. In addition, since the front end portion of the sheet semi-finished product at the stop position of the shear conveyor 30 is in contact with the alignment iron plate 25, even if the sheet semi-finished product is twisted to some extent during the cutting process by the cutting unit 15 is automatically aligned Thus, the work does not have to be stopped for the rearrangement of the sheet semifinished product. Therefore, the fall of a production speed is prevented and productivity improves.

Although the preferred embodiment of the present invention has been described above, the scope of the present invention is not limited only to such specific embodiments, and those skilled in the art may appropriately change within the scope described in the claims of the present invention. This will be possible.

1 is a conceptual view schematically showing a joint splicing device of a tire seat semi finished product according to the present invention.

Figure 2 is a block diagram showing a junction that is a main component of the present invention.

3 is a plan view of a joint that is a main component of the present invention.

<Explanation of symbols for the main parts of the drawings>

10: Fabric Supply Unit 11: Festoon

12: E.P.C Guide 13: Conveyors

15: cutting portion 20: bonding portion

21a, 21b: upper and lower zipper roll cylinders 22a, 22b: upper and lower zipper roll cylinders

23a, 23b: upper and lower supports 24a, 24b: upper and lower supports

25: alignment plate 26a, 26b: upper and lower motor

30: shear conveyor 31: linear movement guide

35: rear conveyor 36: winding device

Claims (5)

With a fastener 11 for supplying a sheet fabric of a tire, an EPC guide 12 for aligning the sheet fabric supplied through the fastener 11 and a conveyor 13 for transporting the sheet fabric. Made of fabric supply unit 10; A cutting unit 15 for cutting and cutting the sheet fabric supplied through the fabric supply unit 10 into a sheet semifinished product having a predetermined standard; A joining part 20 installed at a 90-degree position with respect to the advancing direction of the sheet fabric to bond sheet semi-finished products sequentially supplied; A shear conveyor (30) for supplying the sheet semi-finished product cut by the cutting unit (15) to the bonding unit (20); Including the rear end conveyor 35 for transporting the sheet half-finished product is completed in the bonding portion 20, The junction part 20 is provided with an alignment iron plate 25 for aligning the shear position of the sheet semi-finished product positioned on the shear conveyor 30 when the shear conveyor 30 moves toward the junction 20. Splicing device for tire seat semi finished products. The method of claim 1, The joining portion 20 supports the upper and lower zipper rolls 21a and 21b and the upper and lower zipper roll cylinders 22a and 22b for driving, which are joined while moving left and right, respectively, from the upper and lower sides of the sheet-finished product. Upper and lower zipper roll bundles A and B consisting of upper and lower support members 23a and 23b to be moved, upper and lower ball screws 24a and 24b for movement, and the upper and lower ball screws 24a and 24b. A splicing device for a tire sheet semi-finished product, comprising: upper and lower motors 26a and 26b for driving a tire. The method of claim 2, The joint portion 20, the upper and lower zipper roll bundles (A, B) are respectively installed in the left and right symmetrical tire seat semi-product, characterized in that to operate in response to each other up and down and to operate independently of each other from side to side Joint splicing device. The method of claim 3, The alignment iron plate 25 is installed on the left side of the lower left zipper roll 21b-L and the right side of the lower right zipper roll 21b-R, respectively, wherein the tire moves together with the lower zipper roll bundle B. Joint splicing device for sheet semi finished products. The method according to any one of claims 1 to 4, It is installed on the side of the shear conveyor 30 to limit the movement of the sheet semi-finished product in the conveying direction and further comprises a linear guide (31) for guiding the shear conveyor 30 to move in the direction of the junction 20 Joint splicing device for a tire sheet semi-finished product comprising a.

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