JPH089196Y2 - Positioning device for the handle of a piece of cloth in a spreading machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a device for aligning a handle of a cloth in a cloth spreading machine, in which the cloth is alternately turned upside down and spread.

<Prior Art> As shown in FIGS. 7 to 9, a conventional spreading machine is a spreading machine configured to travel on a spreading table 1 along an extension direction of the spreading table 1. On the upper part of the main body 2, a turntable 3 for horizontally supporting the rolled material A is pivotally mounted so as to be capable of turning 180 ° around the center position on the left and right, and on the feeding side of the material A, the ear part of the material a A photoelectric sensor S for monitoring the position of the ear to keep it constant, and when the position of the side edge a ₁ or a ₂ of the cloth a deviates from the normal position, a motor for driving the turntable is provided. 11 is operated to move the turntable 3 in the width direction of the extension base 1, that is, in the direction for correcting the deviation of the side edge position of the piece of cloth.

<Problems to be solved by the invention> However, in the case of a pattern-filled article, in many cases, the margin portion from one edge to the handle and the margin portion from the other edge to the handle are not the same size, Even if the margins up to the pattern on the edge are the same, the pattern is rarely symmetrical, and as a result, the cut fabric is symmetrical even if it is solid or there is no need for pattern matching. In the case of using two sheets as one set, even if the side edges of the upper and lower fabrics are aligned at the same position, the positions of the cut patterns of the left and right fabrics are asymmetrical.

Therefore, the present invention intends to improve the drawbacks of the above-mentioned conventional example, and to provide an apparatus in which the patterns are aligned and the patterns are extended and stacked.

<Means for Solving the Problem> The handle position aligning device in a spreading machine of the present invention includes a horizontally extending spreading table, and a spreading machine body reciprocating along the spreading table. While horizontally supporting the piece, the turntable is arranged to turn 180 degrees in the horizontal direction on the main body of the cloth spreading machine, and is arranged to be movable in the width direction of the piece with respect to the cloth spreader. The turntable is provided so that it can be moved in the width direction of the fabric that is pulled out, and the ear alignment sensor that detects one side edge of the fabric that is pulled out on the spreading table and this ear alignment sensor And a sensor moving means for moving the drawn cloth in the width direction.

<Operation> In the handle aligning device of the spreading machine of the present invention, when the main body of the spreading machine is scanned in the predetermined direction on the spreading table, the cloth is spread from the lower side of the piece supported on the turntable. It is pulled out on the table. Then, when the cloth pulled out on the stretch table is cut from the piece of cloth, the turntable is turned over 180 degrees, the main body of the spread machine is scanned in the same direction on the spread table, and the piece of cloth is spread. Pulled up. At this time, the dough is pulled out from the upper side of the cloth, and thus the pulled-out dough is stacked with the front and back reversed from the previously drawn dough. By repeating such an operation in sequence, the fabrics whose front and back are reversed are alternately stacked.

The side edge of the cloth pulled out from the cloth is detected by the edge alignment sensor, and the turntable is moved in the width direction of the cloth so that the side edge of the cloth is located at a predetermined position on the stretch table. When the fabrics whose front and back are reversed are stacked so that the positions of the patterns match each other, the widthwise position of the fabrics drawn onto the fabric spreading base with respect to the fabric spreading base is alternately changed. At this time, the edge aligning sensor is alternately moved to a predetermined position by the sensor moving means according to the widthwise position of each cloth on the spreading table. As a result, the fabrics whose front and back are turned upside down are stacked with the pattern positions aligned.

<Embodiment> Hereinafter, the present invention will be described in detail with reference to an embodiment shown in the drawings. As shown in FIGS. 1 and 2, it is configured to repeatedly run along a horizontally extending reciprocating table 1. A turntable 3 rotatably supporting the original A is pivotally mounted on the reversing machine 2 so as to be free to turn, and is supported in parallel with a front surface of the turntable 3, that is, a feed roller 4 provided laterally on the feeding side of the original A. The rod 5 is laid horizontally so as to feed out the piece of material a that is disentangled from the original fabric A through the space between the supporting rod 5 and the feed roller 4, and the piece of pieced material a that has been fed out is provided at one end on the support rod 5. Alignment sensor (photoelectric sensor) for constantly monitoring the position of the side edge of the
S is slidably supported on the support rod 5 by an arm 6, and a reversible reduction motor 8 (or a cylinder operated by a pressurized fluid such as compressed air or hydraulic pressure) is mounted on the support rod 5 by a mounting bracket 7. ) Is attached to the reduction motor 8
A threaded rod 9 continuously provided on the output shaft is threadedly engaged with the base portion 6'of the arm 6, and the arm 6 is moved on the support rod 5 by the rotation of the motor 8.

The photoelectric sensor S is composed of, for example, a light emitting element S ₁ and a light receiving element S ₂ as shown in FIG. 4, and a reflecting mirror is arranged on the back side of the piece of cloth a to detect the position of the edge of the piece of cloth. It becomes. It should be noted that it is not limited to the reflective type as described above, but may be a transmissive type or any other type. Reference numeral 10 in the figure indicates a cutter.

Next, the operation will be described. When the side edge a ₁ (a ₂ ) of the piece of cloth a is between the light emitting element S ₁ and the light receiving element S ₂ as shown in FIG. Fig. 4 (b)
When the side edge a ₁ (a ₂ ) of the piece of cloth a is out of the space between the light emitting element S ₁ and the light receiving element S ₂ , as shown in FIG. The motor 11 shown in FIG. 8 (conventional example) is driven to move the turntable 3 to correct the position of the piece a.

Further, as shown in FIG. 3 (c), the side edge of the piece a is a light emitting element S ₁
And the light receiving element S ₂ are both blocked, the motor 11
Is rotated in the opposite direction to that in (b) above, and the position is corrected so that the position of the side edge of the piece of cloth is in the same state as in FIG. 4 (a), and the same state is always maintained. Works like.

In many cases, the cut material is required to be cut symmetrically with respect to the front and back sides or the handle. Therefore, the removal direction of the piece of cloth from the defibrating device is shown in FIG. It is often the case that they are reversed as shown in a) and (b), and as shown in FIG. 6, the surfaces a'of the piece a are overlapped and extended so as to be adjacent to each other.

In such a case, it is no problem to make the front and back surfaces of the fabric face each other, but in the case of the patterned fabric, the margins between the both side edges of the fabric and the edges of the pattern do not match.

Therefore, one sensor S fixed as before is used.
In the method of catching the side edge of the piece of fabric with only one side and extending the layers one after another, simply aligning the side edges (edge alignment) requires the pattern matching as described above, even if it can sufficiently serve the purpose. In this case, since the margin size is different, the intended purpose cannot be achieved only by aligning the positions of the side edges of the piece of cloth.

Therefore, in the present invention, as shown in FIG. 3, one photoelectric sensor S consisting of a light emitting element S ₁ and a light receiving element S ₂ is attached so as to move in parallel with the feed roller of the piece a, and the piece is inverted. Each time, the positions L ₁ and L ₂ of the photoelectric sensor S are automatically changed electrically.

That is, one side edge portion a ₁ of the piece of cloth is captured by the photoelectric sensor S at the position L ₁ , and the position of the side edge portion between the light emitting element S ₁ and the light receiving element S _{2 of the} sensor S is determined. It is detected, and when it is in the state of FIG. 4 (b) or of FIG. 4 (c), it is corrected so as to return to the state of FIG. 4 (a), and the side edge a ₁ of the piece of cloth a is set to the end edge of the stretch table 1. On the other hand, it should always be in the L ₁ position.

The position of the handle on the piece of cloth a at this time is set to L' _1.
Then, the position L ₀ of the handle with respect to the edge of the stretch table 1 is L ₁ +
Determined as L' ₁ .

Further, when the edge position of the handle at the other side edge portion a ₂ is L ′ ₂ when the fabric is turned over, that is, turned over, in order to align the handle position from this, from the edge of the stretcher base 1 By matching the position of the handle of the side edge a ₂ of the piece of cloth with the position L ₀ , the side edge
The position of a ₂ is determined, and when viewed from the edge of the stretcher stand 1, it is L ₂
At this position, the photoelectric sensor S may be installed so that it can be moved from L ₁ to L ₂ , so that the pattern positions on both side edges can be exactly aligned and the layers can be laminated facing each other. And the side edges of the fabric in that case go in and out alternately,
It is due to the idea of the design, which does not violate the original purpose.

In the above description, the side edge of the cloth spreader 1 is set to be the standard for determining the side edge of the cloth, but the invention is not limited to this, and other specific position on the main body of the machine is set. May be

<Effect of the Invention> Since the present invention is configured as described above, when the side edges of the piece of cloth are simply aligned, the position of the photoelectric sensor can be fixed at a fixed position to achieve the purpose. Further, in order to match the pattern positions when the front and back are alternately inverted, the photoelectric sensor can be electrically moved to a predetermined position to easily match the upper and lower pattern positions accurately.

Moreover, by first setting the positions of the margins on both side edges at the beginning, the patterns can be automatically and continuously aligned, which is excellent in workability.

[Brief description of drawings]

1 to 6 show an embodiment of the present invention. FIG. 1 is a perspective view of a retraction machine, FIG. 2 is an enlarged perspective view of an essential part, FIG. 3 is a schematic plan view of FIG. 1, and FIGS. 4 (a), (b) and (c) are FIG. 5 (a) and FIG. 5 (b) are explanatory views of the pattern matching of the piece of fabric, and FIG. 6 is an enlarged side view of a cutout of a part showing a laminated state of the piece of fabric, and FIGS. FIG. 9 shows a conventional example. FIG. 7 is a perspective view of the retraction machine, FIG. 8 is a partial side schematic view of the same, and FIG. 9 is a plan view of the same. 1 ... Enlargement base, 2 ... Enlargement machine main body, 3 ... Turntable, 5 ... Support rod, 6 ... Arm, 8 ... Decelerating motor, 9 ... Screw rod, A ... Original fabric, a …… Fabric, a ′ …… Surface, S …… Photoelectric sensor

Claims (1)

[Scope of utility model registration request] Claim: What is claimed is: 1. A horizontal spreading table, a main body of a reciprocating machine that is reciprocally operated along the reciprocating table, and a horizontal support on the main body of the reciprocating machine while horizontally supporting the object. The turntable is arranged 180 degrees in the direction of rotation, and is arranged so that it can move in the width direction of the piece of cloth with respect to the spreading table, and the turntable that can move the material drawn from the piece of cloth in the width direction. And an edge alignment sensor adapted to detect one side edge portion of the cloth pulled out on the stretch table, and a sensor moving means for moving the edge alignment sensor in the width direction of the cloth pulled out. A handle position aligning device for a fabric spreading machine.