JPH0780160B2 - Method and device for aligning cutting edges of steel carcass material - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a method for aligning cutting edges of a steel carcass material as a tire constituent material and a device therefor, and more specifically, for correcting and holding meandering of the steel carcass material. The present invention also relates to a method and apparatus for aligning the cutting edges of a steel carcass material that can align the front and rear ends of the steel carcass material with high accuracy.

[Prior art]

Conventionally, steel carcass materials as tire constituent materials are
After cutting, it was difficult to straightly attach the cut portion onto the winding drum due to the twisting or meandering of the steel embedded in the rubber material in the width direction. Further, even at the rear end of the steel carcass material, similar habit of steel occurs after cutting, so that it was difficult to accurately bond the steel carcass material to the beginning of bonding.

[Object of the Invention]

The present invention was devised by focusing on such conventional problems, and the purpose thereof is to straighten and hold the front end of the steel carcass material and the rear end after cutting so as to retain the steel. (EN) A method and an apparatus for aligning cutting edges of a steel carcass material, in which the alignment accuracy of the front end and the rear end of the carcass material is improved.

[Structure of Invention]

In order to achieve the above object, the present invention installs a roll mechanism in which a driving roll and a vertically movable pinch roll are arranged in the vertical direction in the middle of a horizontally arranged conveyer conveyor,
Detecting means for detecting the front and rear ends of the steel carcass material conveyed by the conveyor, and the front and rear cutting sides of the cut steel carcass material are abutted to the front and rear parts of the roll mechanism, and are vertically movable. A simple alignment mechanism,
The gist is that a holding mechanism for holding the cut side of the steel carcass material and transferring it in the horizontal direction is provided.

Further, according to the present invention, after detecting the front end of the steel carcass material conveyed by the conveyor, by a detecting means, the steel carcass material is held by a roll mechanism composed of a drive roll and a pinch roll, and the steel carcass material is held by the roll mechanism. The tip of the steel carcass material is moved toward the front aligning plate side where it can move up and down and abutted, while the cutting edge of the tip is straightened and straightened, and the straightened steel carcass tip is held by a holding mechanism that can move horizontally. After holding and holding the steel carcass material, transfer it to the center position of the winding drum and stop it, press it against the outer peripheral surface of the winding drum, and then rotate the winding drum by a certain angle and wind the steel carcass material by a certain angle. The rear end side of the steel carcass material is held by a driving roll and a pinch roll and conveyed, and the rear end of the steel carcass material is detected. After it is detected by the step, it is moved to the rear aligning plate side where it can move up and down and hits it, while the cutting edge of its rear end is linearly aligned and straightened, and the rear end of this straightened steel carcass material can be moved horizontally. While being held by the holding mechanism, it is transferred to the center position of the take-up drum and stopped, and the steel carcass material after the steel carcass material is wound on the outer peripheral surface of the take-up drum in a state of being aligned with the tip of the steel carcass material. The gist is that the ends are aligned and crimped together.

Example of Invention

 An embodiment of the present invention will be described below with reference to the accompanying drawings.

1 and 2 show a front view and a plan view of an automatic aligning and joining apparatus for a steel carcass material W according to the present invention, wherein 1 is a winding drum and 2 is an automatic aligning and joining apparatus for the steel carcass material W. The automatic aligning and joining device 2 is
It is installed above the unloading end of the transfer conveyor 3 which is installed horizontally in the tangential direction of the outer peripheral surface of the winding drum 1.

The transfer conveyor 3 has a frame 4 arranged in parallel.
A plurality of guide rollers 5 are rotatably installed at predetermined intervals, and the guide rollers 5 on the tip side are rotationally driven via a servo motor 6 and a speed reducer 7, and the plurality of guide rollers 5 are A conveyor belt 8 is looped around 5.

A cutting device for cutting a predetermined position in the longitudinal direction of the steel carcass material W on the transfer conveyor 3 along the width direction.
A roll mechanism 13 including a driving roll 11 and a pinch roll 12 is installed, and front and rear ends of the steel carcass material W conveyed by the conveyor 3 are provided in front and rear portions of the roll mechanism 13. Detecting means 14a, 14b for detecting
(Beam sensor) and cut steel carcass material W
Alignment mechanism 15 that linearly aligns the cutting edges of the steel carcass material W and the winding drum 1 that holds the cutting edges of the steel carcass material W
And a holding mechanism 16 for transferring to.

In the cutting device 10, a disk-shaped cutter 17 is rotatably supported by a frame 18, and the frame 18 is a cylinder 19 for lifting and lowering.
The cylinder 19 for raising and lowering is also supported by a traveling cylinder 21 that moves in the left-right direction along the width direction of the steel carcass material W via a frame 20.

Further, in FIG. 2, reference numeral 22 denotes a pressing member provided on the frame 20 of the ascending / descending cylinder 19, and when the steel carcass material W is cut by the cutter 17, the vicinity of the cutting portion of the steel carcass material W is conveyed by a conveyor. It is a magnet or the like to be pressed down on 3.

A roll mechanism 13 composed of the drive roll 11 and the pinch roll 12 is arranged at the tip of the conveyer conveyor 3, and a plurality of drive rolls 11 are arranged at predetermined intervals on a drive shaft 23 mounted on the frame 4. A plurality of (nine in this embodiment) are mounted and are arranged so as to be substantially flush with the upper surface of the conveyer conveyor 3, and the drive shaft 23 is driven by a drive motor 24 installed on the side of the frame 4 so that the pulley 25a. , 25b and the belt 26 are rotatably driven.

A plurality of pinch rolls 12 are hung vertically on each of the drive rolls 11 via vertical cylinders 27, and when the steel carcass material W is conveyed, the steel roll carcass material W is pinched by the drive rolls 11 and the pinch rolls 12 to move the steel carcass material W. It is configured to be conveyed to the winding drum 1 side.

Next, the vertically movable aligning mechanism 15 that linearly aligns the cut sides of the cut steel carcass material W and the holding mechanism 16 that holds the cut sides of the steel carcass material W and transfers them to the winding drum 1. As shown in FIGS. 1 and 3, the roll mechanism 13 is symmetrically arranged at the front and rear portions of the roll mechanism 13.
The holding mechanism 16 and the holding mechanism 16 are mounted on a tip of a rod 29 of a front-rear power cylinder 28 which is horizontally provided on the conveyor 3 and a guide bracket 32 having a substantially L-shape is attached via a hinge 30 and a square pipe 31. A support plate 33 is provided on the 32 so as to be vertically movable along the linear guide 34.

The substantially L-shaped guide bracket 32 is supported by ball bushes 36a and 36b which are slidable along guide rods 35 arranged on both sides of the conveyor 3 so that the entire weight acts forward. Supporting.

The support plate 33 is supported by a lifting cylinder 37 installed above the guide bracket 32, and is configured to move up and down the aligning mechanism 15 and the holding mechanism 16 disposed on the support plate 33. Has been done.

Further, the support plate 33 is provided with the pinch rolls 12 supported by the vertical cylinders 27, and the aligning mechanism 15 and the holding mechanism 16 on both sides of the pinch rolls 12. The aligning mechanism 15 has a front aligning plate 38a having an L-shaped cross section. And the rear aligning plate 38b are disposed so as to face each other, and are supported by the vertical cylinders 39a and 39b so as to be vertically movable. Further, a front aligning claw 40a and a rear aligning claw 40b having an L-shaped cross section are provided below the front aligning plate 38a and the rear aligning plate 38b, and the front aligning claw 40a and the rear aligning claw 40b are the ball bush 41b. Then, it can be moved in the horizontal direction via the front and rear cylinders 41a and 41b.

Between the pair of left and right front aligning plates 38a and the rear aligning plates 38b, between the pinch rolls 12, a holding member 42 such as a magnet plate constituting the holding mechanism 16 is arranged.
Rod of multi-stage cylinder 43 installed on support plate 33
It is supported by 43a.

The holding member 42 is not limited to the magnet plate,
It may be configured by a vacuum suction board or the like.

The present invention is constructed as described above, and the meandering portion of the front end or the rear end of the steel carcass material W as shown in FIG. 6 is aligned by the roll mechanism 10 as shown in FIGS. 4 and 5. The 15 front aligning plates 38a and the rear aligning plates 38b are abutted against each other and aligned linearly, and are pressed and joined on the winding drum 1 in a superposed state as shown in FIG.

Next, referring to FIGS. 8 (a) to 8 (e), the operation of aligning the front end and the rear end of the steel carcass material W and the front end and the rear end of the steel carcass material W on the winding drum 1 are performed. The operation of matching the sides and crimping will be described.

First, the case of aligning the tip Wa of the steel carcass material W will be described. The driven conveyor 3 conveys the steel carcass material W until the tip Wa of the steel carcass material W shields the detection means 14a. ,
The front alignment claw 40a is moved to the abutting position by the vertical cylinder 39a and the front and rear cylinders 41a.

From this state, the tip Wa of the steel carcass material W is moved by the drive roll 11 and the pinch roll 12 of the roll mechanism 10.
8 is pinched, and the tip Wa of the steel carcass material W driven by the drive motor 24 is abutted against the front aligning plate 38a as shown in FIG. 8 (a) and meanders as shown in FIG. W
Align a in a straight line as shown by the alternate long and short dash line (see FIG. 4).

Next, the steel carcass material W with the front end Wa aligned is made to extend the rod 43a of the multi-stage cylinder 43 to adsorb the steel carcass material W by the holding member 42 provided at the front end, and held by the front alignment claw 40a. In this state, the multistage cylinder 43 and the vertical cylinder 39a are operated to lift a predetermined distance (about 5 mm in this embodiment) from the transfer surface (the upper surface of the transfer conveyor 3) as shown in FIG. 8 (b).

In such a state, the front and rear power cylinders 28 are operated to move the entire automatic aligning and joining device 2 to the take-up drum 1 side, and the tip Wa of the steel carcass material W is moved to the take-up drum 1.
Stop when it reaches the center position.

Then, as shown in FIG. 8 (c), front and rear cylinders 41
By operating a, the front aligning claw 40a is retracted until the tip thereof is positioned below the front aligning plate 38a.

Then, the elevating cylinder 37 is operated to press the tip Wa of the steel carcass material W against the outer peripheral surface of the winding drum 1 by the front aligning plate 38a and the front aligning claw 40a, and the second stage of the multistage cylinder 43. And the holding member 42 causes the front end Wa of the steel carcass material W to reach the winding drum center CL.
Paste.

Further, when the holding member 42 is a vacuum suction plate, the vacuum is changed to pressurization and the sticking is performed firmly.

After attaching the tip Wa of the steel carcass material W,
Next, the holding member 42, the front aligning plate 38a and the front aligning claw 40a,
The cylinder 41a and the multistage cylinder 43 are used to raise the original position, and the lifting cylinder 37 raises the entire apparatus to the original position.

Then, the front and rear power cylinders 28 are operated to move the entire automatic aligning and joining device 2 to the holding position shown in FIG. 8A (FIG. 8C).

At the same time, the winding drum 1 is started to rotate in the arrow direction.

Next, the winding drum 1 is rotated by a certain angle (a rotation angle that leaves a distance between the cutting position of the cutting device 10 and the winding drum center CL), and the pressing member 22 is lowered to cut the steel carcass material W at the cutting position. Is pressed and fixed onto the transport conveyor 3, and in this state, the traveling cylinder 21 is driven to cut the rear end Wb side of the steel carcass material W by the cutter 17 in the width direction.

When the steel carcass material W is cut, the upper and lower cylinders
27 operates and the pinch roll 12 descends, and the drive car 11 and the pinch roll 12 pinch the steel carcass material W.

Then, in the same manner as described above, the drive motor 24 conveys the steel carcass material W until the rear end Wb of the steel carcass material W shields the detection means 14b as shown in FIG. The upper and lower cylinders 39b and the front and rear cylinders 41b operate the 40b to the rear end abutting position.

Next, as shown in FIGS. 8 (e) and 5, the rear end Wb of the steel carcass material W pinched by the drive roll 11 and the pinch roll 12 of the roll mechanism 10 is moved to the drive motor 24.
Is driven in reverse to move backward, and the meandering rear end Wb is linearly aligned as shown by the alternate long and short dash line in FIG.
See figure).

Next, similarly to the above, the steel carcass material W having the rear end Wb aligned is stretched by the rod 43a of the multi-stage cylinder 43 to hold the steel carcass material W at the rear end Wb of the steel carcass material W by the holding member 42 provided at the tip. Is suctioned and held by the rearward aligning claw 40b, the multistage cylinder 43 and the vertical cylinder 39b are operated to lift a predetermined distance from the transport surface (the upper surface of the transport conveyor 3).

From such a state, the front and rear power cylinders 28 are operated to move the entire automatic aligning and joining device 2 to the winding drum 1 side, and the rear end Wb of the steel carcass material W is wound on the winding drum 1.
Move to the center position of and stop.

Then, as shown in FIG. 8 (f), front and rear cylinders 41
By operating a, the rear aligning claw 40b is retracted until the tip of the rear aligning claw 40b is positioned below the rear aligning plate 38b.

Then, the cylinder 37 for raising and lowering is operated to press the rear end Wb of the steel carcass material W against the outer peripheral surface of the winding drum 1 by the rear aligning plate 38b and the rear aligning claw 40b, and further the two stages of the multistage cylinder 43. When the eye is operated and the holding member 42 is used, the tip Wa of the steel carcass material W is placed on the winding drum center CL by the holding member 42.
It is attached by crimping in the state of being matched with.

By repeating the operations of FIGS. 8 (a) to 8 (f) as described above, it is possible to efficiently bond the steel carcass material W with the front end Wa and the rear end Wb thereof aligned. Of.

〔The invention's effect〕

Since the present invention straightens the front end of the steel carcass material and the rear end after cutting as described above, when splicing on a winding drum, for example, the splice amount is accurate and the splicing amount is uniform in the width direction. There is an effect that can be obtained,
In addition, since all the steps are automatically performed, there is an effect that it is safe, moreover, the joining can be performed with high accuracy, and the working efficiency can be remarkably improved.

[Brief description of drawings]

FIG. 1 is a front view of an automatic aligning and joining apparatus for steel carcass material according to the present invention, FIG. 2 is a plan view thereof, FIG. 3 is an enlarged front view of essential parts, and FIG. 4 is a tip aligning operation of steel carcass material. Fig. 5 is an explanatory view showing the rear end aligning operation of the steel carcass material, Fig. 6 is an enlarged plan view of a cut portion of the steel carcass material, and Fig. 7 is a front end portion and a rear end of the steel carcass material. FIGS. 8A to 8F are explanatory views showing an automatic joining method of a steel carcass material. 1 ... Winding drum, 3 ... Conveyor, 11 ... Drive roll, 12 ... Pinch roll, 13 ... Roll mechanism, 14
a, 14b ... Detecting means, 15 ... alignment device, 16 ... holding mechanism, 38a ... front alignment plate, 38b ... rear alignment plate, W ... steel carcass material, Wa ... tip of steel carcass material,
Wb …… Rear end of steel carcass material.

Claims (2)

[Claims] 1. A steel carcass material conveyed by a conveyor is detected by a detecting means and then held by a roll mechanism composed of a driving roll and a pinch roll, and this roll mechanism is used to hold the steel carcass material. While moving the tip to the forward aligning plate side that can be raised and lowered and abutting it, the cutting edge of the tip is aligned linearly and corrected,
While holding the straightened steel carcass material tip by a holding mechanism that can move in the horizontal direction, it is moved to the center position of the winding drum and stopped, and it is crimped to the outer peripheral surface of the winding drum. After rotating the drum by a certain angle to wind the steel carcass material at a certain angle, the rear end side of the steel carcass material is sandwiched and conveyed by the drive roll and the pinch roll, and the rear end of the steel carcass material is detected by the detection means. After it is detected, it is moved to the rear aligning plate side where it can move up and down and abutted, while the cutting edge of the rear end is linearly aligned and straightened, and the straightened rear end of the steel carcass material is held by a holding mechanism. The steel car car is wound around the outer peripheral surface of the take-up drum while being transferred to the center position of the take-up drum and stopped while being held by Cutting edges aligned method of steel carcass member, characterized in that in a state of being matched with product tip takes affixed by crimping by matching the steel carcass member rear end. 2. A roll mechanism in which a drive roll and a vertically movable pinch roll are vertically arranged is installed in the middle of a horizontally arranged conveyer conveyor, and the conveyer conveyor is provided at the front and rear portions of the roll mechanism. Detecting means for detecting the front and rear end parts of the steel carcass material conveyed by, the vertically movable aligning mechanism for aligning the front and rear cutting edges of the cut steel carcass material in a straight line, and the cutting edge of the steel carcass material A cutting edge aligning device for steel carcass material, which is provided with a holding mechanism for holding and transferring in a horizontal direction.