JP2002114402A - Centering device in rectangular cloth piece feeder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve problems in feeding a rectangular cloth piece cleaned and dried in a laundry factory to a folding device wherein the feeding work is troublesome and the working efficiency is poor since a worker correctly and manually aligns the rectangular cloth piece to a charging conveyor and places it thereon in a conventional practice. SOLUTION: This rectangular cloth piece feeder in which the rectangular cloth piece Y in the developed condition is placed and stretched on a roller 9, the placed and stretched rectangular cloth piece is held and hung by a hanging device 11, and the rectangular cloth piece Y is re-placed on a carrying conveyor 14 to the folding device side comprises detectors 131-134 for detecting right and left positions of the rectangular cloth piece Y placed and stretched on the roller 9 in a developed condition, and an adjuster 135 for adjusting the position of the hanging device 11 in the right-to-left direction, and the positional deviation of the rectangular cloth piece detected by the detectors is adjusted by the adjuster so that the rectangular cloth piece is constantly placed at the predetermined position of the carrying conveyor 14.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a supply device for supplying a rectangular cloth piece after washing and drying to a folding device side in a cleanly developed state in a laundry factory or the like. The present invention relates to a centering device for always supplying a piece of cloth to a fixed position on a conveyor. In the present application, a relatively small area such as a face towel or a bath towel is mainly used as a rectangular cloth piece.

[0002]

2. Description of the Related Art In a laundry factory, received face towels and bath towels (hereinafter referred to as rectangular cloth pieces) are folded into a predetermined small area by a folding device after washing and drying, and a large number of the folded cloth pieces are stacked. Shipped in.

In order to supply a rectangular cloth piece to a folding device, the rectangular cloth piece is placed on a transport conveyor (input conveyor) in an unfolded state.
The two short side edges are located and extended, and the extended short side edge is placed on the starting end of the conveyor. Then, the rectangular cloth placed on the transport conveyor is transported to the folding section based on the loaded position, where it is folded and sequentially laminated.

In the folding apparatus, the rectangular cloth is folded on the basis of the position of the rectangular cloth placed on the conveyor (the position in the width direction of the conveyor), and the folding cloth is folded. However, if the width direction position of the rectangular cloth piece placed on the conveyor is shifted, the position of the folded and stacked cloth piece is shifted, and it is not possible to stack the pieces in a neat and tidy state. Therefore, conventionally, when the rectangular cloth pieces are placed on the starting end of the conveyor, the short side edge of each rectangular cloth piece is supplied while being accurately aligned with the reference position of the conveyor.

[0005]

However, in a laundry factory, a large number of rectangular cloth pieces must be folded and processed in a day. In order to supply each sheet to an accurate position in the width direction, there is a problem that the positioning operation is troublesome and requires a considerable skill, and the processing speed is reduced due to the positioning operation, thereby lowering the work efficiency. Was.

The inventors of the present invention have developed a developing device for a rectangular cloth piece which is capable of automatically developing a rolled rectangular cloth piece after washing and drying, as shown in the embodiment of the present invention. However, in this case, when each of the automatically expanded rectangular cloth pieces is placed on the transport conveyor toward the folding device, the rectangular cloth pieces may be slightly displaced in the width direction of the transport conveyor. .

SUMMARY OF THE INVENTION In view of the above-mentioned conventional problems, the present invention provides a rectangular cloth piece that can be automatically positioned when a washed and dried rectangular cloth piece is supplied onto a transport conveyor to a folding process side. It is an object of the present invention to provide a centering device in a supply device.

[0008]

The present invention has the following structure as means for solving the above-mentioned problems.

[0009] The present invention is directed to a centering device in a rectangular cloth feeding apparatus which can automatically perform positioning when the rectangular cloth after washing and drying is supplied to the folding apparatus.

The supply device for a rectangular cloth piece used in the present application places a portion of a rectangular cloth piece in a developed state near one side on a roller installed in the left-right direction, and places the mounted rectangular cloth piece on the roller. After holding two places near each end of the side edge with each chuck provided in the hanging device, and suspending the rectangular cloth piece in the expanded state by the hanging device, the rectangular cloth piece is moved to the folding device side. What can be replaced on a conveyor is adopted. When a rectangular cloth piece is placed on the roller, a portion of the rectangular cloth piece near the short side edge is usually placed in an inverted U shape.

The centering device of the present invention includes a detector for detecting the left and right positions of the rectangular cloth placed on the rollers in an unfolded state, and an adjusting device for adjusting the position of the hanging device in the left and right direction. It has.

In the centering device according to the present invention, when the detector detects a positional shift of the rectangular cloth placed on the roller, the adjusting device temporarily controls the reference position of the hanging device based on the detection signal. Is adjusted to match the reference position of the rectangular cloth piece on the roller, and in this state, the holding side edge of the rectangular cloth piece on the roller is held by each chuck of the suspending apparatus. The position is adjusted so as to match the reference position of the conveyor, so that the rectangular cloth pieces suspended by the suspension device can be supplied onto the fixed position of the conveyor.

As described above, when the centering device of the present invention is used, when a portion of the developed rectangular cloth piece near one side is mounted on the roller, even if the mounting position is shifted from the reference position, the rectangular With a detector that detects the left and right position of the cloth piece and an adjustment device that adjusts the position of the hanging device in the left and right direction,
The rectangular piece of cloth can be automatically placed on a normal position of the conveyor.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS With reference to FIGS. 1 to 17, a centering device in a supply device for a rectangular cloth piece according to an embodiment of the present invention will be described. In this embodiment, the centering device 13 of the present application is
The rolled rectangular cloth piece Y is used by being incorporated in a developing device for automatically developing the cloth piece Y. FIG. 1 shows an overall view of a rectangular cloth developing device including the centering device 13, and FIGS. 2 to 17 show individual device portions of the rectangular cloth developing device of FIG. In the following description, the directions of front, rear, left, and right indicate the directions in the state of FIG.

First, the overall configuration of the rectangular cloth spreading device will be described. 1 is a supply conveyor 1 for supplying the rectangular cloth Y after washing and drying to a predetermined position to be sequentially processed (see FIG. 2). A lifting device 2 for lifting the supplied cloth Y to a predetermined height (FIG. 2), and a temporary holding device 3 for temporarily receiving and temporarily holding the cloth Y suspended by the lifting device 2 in a suspended state (FIG. 2). 2, FIG. 3), holding an arbitrary portion of the cloth piece Y suspended by the temporary holding device 3 and holding the cloth piece Y on the base plate 4
3 and 5 (FIGS. 3 to 5), which are dragged in a horizontal direction on the base plate 43 so as to expose a corner end Ya of the cloth piece which is the terminal end of the cloth piece Y. A corner trimming device 5 that can hold the vicinity of the cloth piece corner end Ya and hold the vicinity of the cloth piece corner end Ya to hang down and support the cloth piece Y (FIGS. 5 and 6); A horizontal pulling device 6 (FIGS. 6 and 7) that horizontally hangs the hanging piece of cloth Y (FIGS. 6 and 7), and separates the vicinity of the corner end Ya of the lying piece of cloth Y by an appropriate distance therefrom. Two-position holding device 7 for holding two positions at the same height
(FIGS. 6 to 9), and an edging conveyor 8 on which the cloth Y held by the two-position holding device 7 can be put to expose one side edge Yb on the long side of the cloth. ), A roller 9 located at the end side of the edging conveyor 8 and installed in the running direction of the edging conveyor 8 (FIGS. 8 to 17), and the length of the cloth piece edged on the edging conveyor 8 Two chucks 101, 1 holding two spaced positions on the side Yb
8 and a loading device 10 for placing the cloth piece Y on the roller 9 while dragging the cloth piece Y on the roller 9 (FIG. 8).
12), chucks 114 and 115 for holding two places near each end of one short side edge Yc of the cloth piece Y placed on the roller 9 and the chucks 114 and 115
And a hanging device 11 (FIGS. 11 to 17) capable of holding the cloth piece short side edge Yc and suspending the cloth piece Y in an expanded state (FIGS. 11 to 17). The forward position (FIG. 12) for receiving the short side edge Yc of the cloth piece Y and the conveying conveyor 14 for moving the cloth piece Y held by the suspending device 11 to the next process side.
An advancing / retracting device 12 (FIGS. 11 to 17) for moving back and forth between a retreating position (FIG. 14) to be transferred on the upper side, and the unfolded cloth piece Y suspended by the suspending device 11 Alignment device 13 for alignment with the center of the
(FIGS. 11 to 17). still,
These devices (devices 1 to 14) are installed in a frame (machine frame) not shown.

The supply conveyor 1 (FIGS. 1 and 2) runs continuously during operation, and a rectangular cloth piece Y which has been washed and dried is dropped onto the supply conveyor 1. At the end of the supply conveyor 1, there is a storage unit 1a, and each piece of cloth Y conveyed by the supply conveyor 1 is temporarily stored in the storage unit 1a sequentially.

The lifting device 2 (FIGS. 1 and 2) has a chuck 21 for holding an arbitrary portion of the cloth piece Y and an elevating device 22 for elevating the chuck 21. When the lifting device 22 moves the chuck 21 to the lowermost position (the position shown by the solid line in FIG. 2), the lifting device 22
1 contacts the cloth piece Y stored in the storage section 1a, and the chuck 21 holds the contact portion of the cloth piece Y. Note that the cloth piece holding portion by the chuck 21 may be an arbitrary portion. When the elevating device 22 moves upward, the chuck 21 moves upward to the height indicated by the dashed line in FIG. 2 (reference numeral 21 ') while holding the cloth piece Y with the chuck 21, and the single cloth piece Y is suspended. It has come to support. In addition, chuck 2
1 ascending position (height indicated by reference numeral 21 'shown by a chain line in FIG. 2)
Is set in advance to a fixed position.

The temporary holding device 3 (FIGS. 2 and 3) has a chuck 31 and an advance / retreat device (extendable cylinder) 32 for moving the chuck 31 forward and backward. Then, when the chuck 21 of the lifting device 2 moves to the uppermost position (or when the cloth piece Y at the uppermost position is detected by the detector), the telescopic cylinder 32 extends, and the temporary holding device 3 2, the cloth piece Y lifted by the lifting device 2 can be received by the chuck 31 of the temporary holding device 3 (at that time, the lifting device 2). Side chuck 21 'is opened),
Thereafter, the telescopic cylinder 32 contracts and retracts to a predetermined position while the cloth piece Y is suspended by the chuck 31, as shown in FIG. Note that the lowermost end (reference numeral Ya in FIG. 3) of the cloth piece Y suspended from the chuck 31 is one corner end of the cloth piece.

As shown in FIG. 3, the corner end device 4 (FIGS. 3 to 5) is a chuck 41 for receiving the cloth piece Y suspended and held at the retracted position by the chuck 31 of the temporary holding device 3.
A retractable device (extendable / retractable cylinder) 42 for moving the chuck 41 back and forth, a base plate 43 for receiving the cloth Y, and a base plate 4
3, detectors (photoelectric tubes) 44, 44 for detecting the end portions (corner ends Ya) of the cloth pieces Y dragged on the upper surface, and a presser plate for pressing the vicinity of the end portions (corner ends Ya) of the cloth pieces Y on the base plate 43. 48, a telescopic cylinder 49 for vertically moving the presser plate 48, a pair of upper and lower sandwiching rollers 45, 46, and a telescopic cylinder 47 for opening and closing the upper roller 45 with respect to the lower roller 46. Rear edge of base plate 43 and lower roller (fixed position roller) 4
Between 6, there is a space into which a chuck 51 of the corner trimming device 5 described later enters.

The corner end device 4 operates as follows. First, as shown in FIG. 3, when the chuck 31 of the temporary holding device 3 is operated to the retracted position in the cloth piece holding state, the telescopic cylinder 42 is extended and the chuck 41 advances, and the temporary holding device 3 is held by the chuck 41. Holding the cloth piece Y suspended from the chuck 31 (at this time, the temporary holding device 3
Side chuck 31 is released), and then the telescopic cylinder 4
2, the chuck 41 retracts while holding the cloth piece Y. At that time, the cloth piece Y is dragged on the base plate 43, and when the chuck 41 passes through the holding portions of the upper and lower sandwiching rollers 45, 46, the upper roller 45 is closed (reference numeral 45 'in FIG. 4). The chuck 41 is opened and the upper and lower rollers 4
When the end portions (corner ends Ya) of the cloth pieces Y dragged on the base plate 43 are detected by the detectors 44 and 44, the rollers 45 and 46 rotate. The rotation is stopped, the telescopic cylinder 47 is extended, and the vicinity of the end portion Ya of the cloth piece is pressed onto the base plate 43 by the pressing plate 48 (the state of reference numeral 48 'in FIG. 4), and thereafter, as shown in FIG. The upper roller 45 moves up to the original open position. In the state of FIG. 5, the vicinity of the end of the cloth piece Y lies between the holding plate 48 (and the rear edge of the base plate 43) and the lower roller 46.

In this embodiment, the cloth piece Y lifted by the lifting device 2 is temporarily held by the temporary holding device 3 and then held by the chuck 41 of the corner end device 4 for replacement. In this embodiment, the temporary holding device 3 may be omitted, and the cloth piece Y suspended by the lifting device 2 may be directly retained by the chuck 41 of the corner end device 4.

The corner trimming device 5 (FIGS. 5 and 6) has a chuck 51 and an advancing / retracting device (extendable / retractable cylinder) 52 for moving the chuck 51 left and right. Then, as shown in FIG. 5, this corner trimming device 5 is used when the vicinity of the end portion (corner edge Ya) of the cloth piece Y is held between the base plate 43 and the lower roller 46 of the corner trimming device 4. Then, the telescopic cylinder 52 is extended, and the chuck 51 is advanced to the left as shown by a dashed line (reference numeral 51 '), and the chuck 51' holds the cloth piece near the corner end Ya. Thereafter, the presser plate 48 of the corner end setting device 4 is moved up (release of the presser), and the telescopic cylinder 52 is contracted, and as shown in FIG. It operates to retreat to the right while hanging down.

A base plate 53 is provided immediately below the chuck 51 in a state where the telescopic cylinder 52 of the corner trimming device 5 is reduced. This base plate 53 is for supporting the end side of the cloth piece Y when receiving near the upper end (corner end Ya) of the cloth piece and moving it to the rear side by the horizontal pulling device 6 described below. It is.

The horizontal pulling device 6 (FIGS. 6 and 7) has a chuck 61 and an advance / retreat device (extendable / retractable cylinder) 62 for moving the chuck 61 forward and backward. As shown in FIG. 6, when the chuck 51 of the corner trimming device 5 withdraws while holding the piece of cloth Y, the telescopic cylinder 62 of the horizontal pulling device 6 extends to Is moved forward as indicated by a chain line (reference numeral 61 '), and the chuck 61' holds the vicinity of the upper end portion (corner end Ya) of the cloth piece.
Thereafter, the chuck 51 of the corner trimming device 5 is opened, and the telescopic cylinder 62 is reduced, and as shown in FIG.
In step 1, the cloth piece Y is retracted rearward while dragging the cloth piece Y on the base plate 53 while holding the vicinity of the corner end Ya of the cloth piece. At this time, the cloth piece Y is
As shown in FIG. 7, it is lying in the front-rear horizontal direction between the chuck 61 at the retracted position and the base plate 53.

At a position near the right end of the base plate 53, an edge conveyor 8 driven by a motor 81 is provided. The edging conveyor 8 runs rightward.
The front edge (starting end) of the edging conveyor 8 is located slightly to the right of immediately below the piece of cloth Y laid down by the horizontal pulling device 6.

The two-position holding device 7 (FIGS. 6 to 9) includes two chucks (a corner-end holding chuck 71 and an intermediate-portion holding chuck 7) mounted on the connecting plate 73 at predetermined intervals in the front-rear direction.
2), an elevating cylinder 74 for raising and lowering the chucks 71 and 72, and an elevating cylinder 74 for moving the chucks 71 and 72.
And a forward / backward device (telescopic cylinder) 75 for forward / backward movement. Each of the chucks 71 and 72 is shown in FIGS.
As shown in FIG. 8, when the telescopic cylinder 75 is in the extended state, it is located directly above the cloth piece Y laid down by the horizontal pulling device 6, while as shown in FIG. 72 is located on the framing conveyor 8 described later. When the lifting cylinder 74 is in the contracted state (FIGS. 6 and 7), the chucks 71 and 72 are made to stand by at a position above the cloth piece Y on which the chucks 71 and 72 are lying.
Is extended, the chucks 71 and 72 are laid down as shown by dashed lines in FIG. 7 (reference numerals 71 'and 72').
Is lowered to a position where the upper edge can be held. When each of the chucks 71 and 72 is lowered to the position shown by the dashed line in FIG. 7, each of the chucks 71 'and 72' can hold the vicinity of the corner end Ya of the cloth piece Y laid down and an appropriate position in the middle. It has become. When the two positions of the piece of cloth Y are held by the chucks 71 and 72, one side edge Yb on the long side of the piece of cloth Y is located at a position near the starting end of the edging conveyor 8 as shown in FIG. Below the upper surface of the edging conveyor 8, it hangs in a triangular shape. When the telescopic cylinder 75 is reduced from this state, the chucks 71 and 72 are positioned above the edging conveyor 8 as shown in FIG. 8, and at this time, the hanging edge Yb of the cloth piece Y is edged. After contacting the start end of the conveyer 8, the hanging conveyer 8 is running, so that the hanging edge Yb is linearly formed by a predetermined length on the conveyer 8 as shown by reference numeral Yb 'in FIG. (Being bordered). Then, when the chucks 71 and 72 are released from the state shown in FIG. 8, the entire piece of cloth Y is placed on the edging conveyor 8, and the edging conveyor 8 is running. As shown in (1), the leading edge (right edge) Yb of the cloth piece is transported to the end of the edging conveyor 8 while keeping it straight.

At the end of the edging conveyor 8, a cloth piece Y transported by the edging conveyor 8 as shown in FIGS.
A mounting table 82 is provided for mounting the front edge portion Yb in a stopped state. Further, two notches 83, 83 are provided at a right end edge of the mounting table 82 at predetermined intervals in front and rear. Then, the cloth piece Y transferred to the end of the edging conveyor 8
As shown in FIGS. 9 and 10, the cloth piece rides on the mounting table 82 to a position where the leading edge Yb of the cloth piece reaches an intermediate depth between the cutouts 83, 83.

The roller 9 (FIGS. 8 to 17) is installed at a rear position in the running direction of the edging conveyor 8. The roller 9 is installed in a position corresponding to the central portion between the notches 83 of the mounting table 82 and at a position separated by an appropriate distance in the right direction and in a posture facing the left and right directions. The roller 9 is intermittently and variably rotated by a motor 91.

The loading device 10 (FIGS. 8 to 12) includes two chucks 101 and 102 spaced apart in the front-rear direction.
And an advance / retreat device 103 for moving the chucks 101 and 102 in the left-right direction. This moving device 103
In this embodiment, a cable (for example, a timing belt or a chain) 105 is reversibly driven by a motor 104. Each chuck 101, 1
Numeral 02 is connected to the cable 105 via a connecting table, and the two chucks 101 and 102 are placed on the roller 9 and the cloth receiving position above the table 82 by moving the cable 105 left and right. It can be moved between the hanging position and the hanging position. In addition, as the advance / retreat device 103 used in the placing device 10, a telescopic cylinder can be used in other embodiments.

Then, the placing device 10 advances the both chucks 101 and 102 onto the placing table 82 (moves to the left).
Then, as shown in FIG.
2 can penetrate into the notches 83, 83 of the mounting table 82, and can be held by the chucks 101, 102 at two places with an interval between the long sides Yb of the cloth piece on the mounting table 82. When the chucks 101 and 102 are retracted (moved to the right) while holding the long side portion Yb of the cloth piece, respectively, FIG.
As shown in FIG. 1, the two chucks move in a state of straddling the roller 9 back and forth, and at this time, a portion near one short side of the cloth piece Y is placed on the roller 9 while dragging the roller 9 on the roller 9. Operate. At this time, the cloth piece Y is dragged in the short side direction on the roller 9, so that the cloth piece Y is extended in the short side direction. When both chucks 101 and 102 are opened in the state of FIG. 11, one short side portion of the cloth piece Y is placed on the roller 9 in an inverted U shape as shown in FIG.

At the rear of the roller 9, a conveyor 14 is provided at a position spaced from the roller 9 at an appropriate distance (FIGS. 11 to 17). This conveyor 14 is
As described later, this is for transferring the cloth piece Y to the next step (folding step) in the unfolded state. The upper surface of the conveyor 14 is positioned considerably lower than the lower surface of the roller 9.

The hanging device 11 (FIGS. 11 to 17) is attached to a gutter-shaped pedestal 111 having a front wall 112 and a rear wall 113 by two right and left sides.
The two chucks 114 and 115 are attached. The left and right chucks 114 and 115 employ telescopic cylinders in this embodiment. The chucks 114 and 115 are attached to the rear surface of the rear wall 113 at predetermined intervals on the left and right sides (intervals slightly shorter than the short side length of the cloth piece Y to be treated).
14a and 115a move forward and backward from the front surface of the rear wall toward the rear surface of the front wall 112. Each of the chucks 114 and 115 can hold two portions of the short side edge Yc of the cloth piece between the tip of each of the rods 114a and 115a and the rear surface of the front wall 112.

On the front surface of the rear wall 113, each rod 114
a, a short side edge Yc of the cloth piece immediately above and directly above 115a.
Detectors (photoelectric tubes) 116 and 117 are attached to the detector. When the detectors 116 and 117 detect the short side edge Yc, the chucks 114 and 115 respectively correspond to the chuck rods (114).
a, 115a) individually protrude toward the front wall 112 side.

The suspension device 11 is advanced and retracted back and forth behind the roller 9 by the advance and retreat device 12. The retractable device 12 for the suspension device 11 employs a telescopic cylinder. And the gutter-shaped receiving table 1 of the suspension device 11
Reference numeral 11 is attached to a cylinder rod 121 of a telescopic cylinder (advancing / retracting device) 12 via a stay, so that the suspension device 11 can be moved back and forth by the telescopic operation of the telescopic cylinder 12. The telescopic cylinder 12 is of a two-stage telescopic type. When the telescopic cylinder 12 is fully extended, the gutter-shaped pedestal 111 is located immediately below the roller 9 (FIG. 12). The tray 111 is positioned immediately before the start end of the conveyor 14 (FIG. 13), and when it is reduced to the minimum, the gutter-shaped tray 111 is retracted to a predetermined depth position on the conveyor 14 (FIG. 14). Then, as shown in FIG. 12, when the gutter-shaped receiving base 111 advances to immediately below the roller 9, the roller 9 slowly rotates in the feeding direction (clockwise rotation), and the cloth piece placed on the roller 9. The rear short side Yc side of Y is dropped into the gutter-shaped pedestal 111 (between the front wall 112 and the rear wall 113), and when each of the detectors 116 and 117 detects the short side edge Yc, each corresponding to the short side edge Yc is detected. The chucks 114 and 115 are closed (rods 114a and 115a
Of the cloth piece protrudes to the front wall 112) and holds the cloth piece short side edge Yc at two points. Incidentally, the suspension device 11 is retracted in two stages by the telescopic cylinder 12, but when the gutter-shaped pedestal 111 is retracted behind the roller 9 by the first stage as shown in FIG. At high speed to drop the cloth piece Y placed on the roller 9 to the rear side of the roller,
The suspending device 11 can suspend the cloth piece Y in an expanded state.

By the way, the position (the position in the left-right direction) of the rectangular cloth Y placed on the roller 9 by the placing device 10 is determined by each of the chucks 101, 10 of the placing device 10.
2 may slightly change depending on the holding depth of the cloth piece and the stop position at the retracted position of the chuck. In this manner, when the position where the cloth Y is placed on the roller 9 is displaced, as described later, the cloth Y is directly held by the hanging device 11.
When the cloth Y is placed on the conveyor 14 after being received, the reference position of the cloth Y (width center P, P ′, P ″ in FIGS. 16 and 17) is changed to the reference position of the conveyor 14. (Width center R) In this case, in the next folding step, the cloth piece Y is not folded at a regular position, and the folded cloth pieces are stacked in a displaced state. In the present application, such disadvantages are solved as follows.

The telescopic cylinder 12 for moving the suspension device forward and backward is
It is supported by a mounting base 122. Wheels 123, 123 are attached to the front and rear of the mounting base 122, respectively, and the front and rear wheels 123, 123 are supported by rails 124, 124 facing left and right, respectively.
The telescopic cylinder 12, the mounting base 122 and the rail 12
4, 124 can be moved left and right. still,
The reason for supporting the hanging device 11 and the like so as to be movable left and right is as follows.
This is for causing the centering device 13 described below to function.

The centering device 13 (FIGS. 11 to 17) is used to always place each piece of cloth Y, which is sequentially hung by the hanging device 11, on a fixed position (center) in the width direction on the conveyor 14. It is. That is, as shown in FIGS. 16 and 17,
With the reference position (width center) P, P ′, P ″ of the cloth piece Y matched with the reference position (width center) R of the conveyor 14,
This is for placing the cloth piece Y on the conveyor 14.

The centering device 13 is provided with a roller 9
The detectors 131 to 134 (two each for left and right) are disposed at the left and right with a slightly wider interval than the short side width of the cloth piece Y to be processed immediately below the sensor, and are attached by signals from the detectors 131 to 134. An adjustment cylinder 135 (FIGS. 15 to 15) for moving and adjusting the table 122 (including the suspension device 11) to the left and right.
FIG. 17). The adjusting cylinder 135 corresponds to an adjusting device in the claims.

The left and right detectors (outer right detector 131, inner right detector 132, inner left detector 133, outer left detector 13)
4), the interval between the right inner detector 132 and the left inner detector 133 is set to be slightly wider than the length of the short side of the cloth Y, and each of the outer detectors 131 and 134 is connected to each of the inner detectors. 132,
For example, each of them is positioned on the left and right sides by about 10 to 20 mm, respectively. The center between the inner detectors 132 and 133 is made to correspond to the center in the width direction of the conveyor 14 (the reference position R in FIGS. 16 and 17). On the other hand, the adjusting cylinder 135 is configured by connecting two cylinders 136 and 137 of two-stage telescopic type in opposite directions.

Then, as shown in FIG. 12, when the left and right side edges of the cloth piece Y placed on the roller 9 are between the inner detectors 132 and 133, as shown in FIG. , All the detectors 131 to 134 are not detected, and the adjustment cylinder 135 is maintained in a neutral state. At this time, as shown in FIG.
1), the center of width (reference position Q), the center of width of the cloth piece Y (reference position P), and the center of width of the conveyor 14 (reference position R) are aligned vertically in the front-rear direction. Further, as shown by reference numeral Y 'or Y "in FIG.
When it is displaced to the left or right, the detector (1
31 to 134) are in the detection state,
The adjustment cylinder 135 adjusts by the width (M 'or N') corresponding to the detector in the detected state, and adjusts the position of the suspension device 11 (gutter-shaped receiving base 111) to the left and right. That is, for example, as shown in FIG. 17, the cloth piece has a width M on the left side of the reference position R of the conveyor 14 as shown by a symbol Y ′.
When the roller is placed on the roller 9 at a position slightly shifted, the inner left detector 133 is turned ON, and any of the adjusting cylinders 135 (136, 137) is detected by the detection signal from the inner left detector 133. And the hanging device 11 (substantially the mounting table 122) is moved leftward by the width M '(at this time, the center of the width serving as the reference position of the hanging device 11 is located at the symbol Q'). When the piece of cloth is placed on the roller 9 at a position shifted to the right by a width N from the reference position R of the conveyor 14 as shown by the symbol Y ″, the right inner detector 132 and the right outer detector 131 When turned ON, the cylinders 136 and 137 of the adjusting cylinder 135 are extended by the detection signals from the detectors 132 and 131, respectively, and the suspension device 11 is moved rightward by the width N '(at this time, the suspension device 11 Width center as the reference position code Q "
Located). The widths M and M 'and the widths N and N' are not exactly the same, but are substantially equal.

As described above, the reference position (Q, Q ') of the suspension device 11 corresponds to the left and right position (reference position P, P', P ") of the cloth piece Y placed on the roller 9. , Q ″)
In a state in which the rollers are aligned, the roller 9 is slowly rotated to the feeding side, and as shown in FIG.
Is received by the gutter-shaped receiving base 111 (both chucks 114 and 115).
Subsequently, as shown in FIG. 13, the hanging device 11 is retracted to the intermediate position, and the cloth Y is hung from the gutter-shaped pedestal 111. In this state, as shown in Fig. 17, the reference position Q of the suspension device 11 may be shifted left and right from the reference position R of the conveyor 14 as indicated by the reference symbol Q 'or Q ". In the state, the adjusting cylinder 135 is operated first by the adjustment operation (for example, the widths M ′ and N ′), and the reference position (the center of the width) Q of the suspension device 11 is set to the transport conveyor 1.
4, the suspension device 11 is further retracted, and the suspension device 11
Immediately before reaching the rearmost position.
Is released, and the short side edge Yc held by the chucks 114 and 115 is dropped onto the conveyor 14. Therefore, even when the cloth piece Y is displaced to the left and right of the predetermined position when the cloth piece Y is placed on the roller 9, the cloth piece Y (the reference position P) is always conveyed by the centering device 13. It can be placed in a state where it matches the center of the conveyor 14 (reference position R). In this manner, when the developed cloth pieces Y are sequentially placed on the fixed position (center) of the conveyor 14, each of the cloth pieces can always be folded at the fixed position in the folding process, and each of the folded cloth pieces can be folded. The layers can be sequentially stacked in a neat and tidy state.

In the embodiment of the present invention, as the detectors of the centering device 13, a total of four detectors (1
31-134), but in other embodiments,
The detectors may be provided one by one on the left and right, or may be such that the mounting position of the rectangular cloth piece Y is detected steplessly on the left and right (for example, a large number of detectors are provided on the left and right at minute intervals). . Further, the adjusting device 135 may employ a device in which the movement is adjusted by a motor instead of the cylinder.

In this embodiment, the centering device 13 is used by being incorporated in a series of rectangular cloth spreading devices.
In another embodiment, the centering device 13 may be applied to an independent device after the roller 9. In this case, the rectangular cloth piece Y is placed directly on the roller 9 by hand.

[0044]

According to the centering device in the supply device of the rectangular cloth piece of the present invention, even if the rectangular cloth piece Y placed on the roller 9 is displaced in the left-right direction, as described above, it is determined. Detecting by the detectors (131 to 134), the adjusting device 135 is operated by the detection signal to adjust the left and right positions of the suspending device 11, so that the suspending device 11 transfers the rectangular cloth to the transport conveyor 14. There is an effect that Y can always be placed at the normal position. If the reference position P of each of the rectangular cloth pieces Y is always matched with the reference position R of the conveyor 14, all the rectangular cloth pieces Y are folded at the fixed positions in the next folding step. It is possible,
Each folded cloth piece can be laminated in a state where it is neatly arranged.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a rectangular cloth spreading device according to an embodiment of the present application.

2 shows a supply conveyor, a lifting device,
It is an expansion perspective view of a temporary holding device part.

FIG. 3 is a state change diagram from FIG. 2 including a corner exposing device.

FIG. 4 is a state change diagram from FIG.

FIG. 5 is a state change diagram from FIG. 4 including a corner trimming device and a edging conveyor;

6 is a state change diagram from FIG. 5 including a horizontal pulling device and a two-position holding device.

FIG. 7 is a state change diagram from FIG.

FIG. 8 is a state change diagram from FIG. 7 including a roller and a placing device.

FIG. 9 is a state change diagram from FIG.

FIG. 10 is an enlarged perspective view showing the operation of the placing device.

FIG. 11 is a state change diagram from FIG. 9 including a hanging device and a transport conveyor.

FIG. 12 is a state change diagram from FIG.

FIG. 13 is a state change diagram from FIG.

14 is a state change diagram from FIG.

FIG. 15 is a state change diagram from FIG. 14 including the centering device.

FIG. 16 is a view of FIG. 12 viewed from the front side.

17 is an explanatory view of the centering device of FIG.

[Description of Signs] 1 is a supply conveyor, 2 is a lifting device, 3 is a temporary holding device,
4 is a corner trimming device, 5 is a corner trimming device, 6 is a horizontal pulling device, 7 is a two-position holding device, 8 is a edging conveyor, 9 is a roller, 10 is a loading device, 11 is a hanging device, 12 Is a forward / backward device, 13 is a centering device, 14 is a conveyor, 2
1 is a chuck of a lifting device, 31 is a chuck of a temporary holding device, 41 is a chuck of a corner end device, 43 is a base plate, 51
Is a chuck of a corner trimming device, 61 is a chuck of a horizontal pulling device, 71 and 72 are chucks of a two-position holding device, 10
Reference numerals 1 and 102 denote respective chucks of the placing device, 111 denotes a gutter-shaped pedestal, 114 and 115 denote respective chucks of the suspension device, 11
6, 117 are detectors of the hanging device; 131 to 134 are detectors of the centering device; 135 is an adjusting cylinder (adjusting device) of the centering device; Y is a piece of cloth; Ya is a corner of a piece of cloth; Is a long side edge of the cloth piece, and Yc is a short side edge of the cloth piece.

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3B154 AB33 BA42 BB47 BB66 BB77 BC16 BC22 CA03 CA33 DA30 3F101 CA02 CB02 CC22 CD05 LA15 LB11

Claims (1)

[Claims] A roller (9) installed in a left-right direction.
On the one side of the unfolded rectangular cloth piece (Y), and suspends two places near each end of the mounting side edge (Yc) of the mounted rectangular cloth piece (Y). The rectangular cloth piece (Y) is held by the chucks (114, 115) provided in (11), and the rectangular cloth piece (Y) is suspended in an expanded state by the suspending device (11), and then the rectangular cloth piece (Y) is folded. In a supply device for a rectangular piece of cloth which can be replaced on the conveyor (14) to the side, a detection for detecting the left and right positions of the rectangular piece of cloth (Y) placed on the roller (9) in an unfolded state. Container (131-134)
And an adjusting device (135) for adjusting the position of the suspension device (11) in the left-right direction, and the detector (131-134) has a rectangular cloth piece (Y) mounted on a roller (9). Is detected, the adjusting device (135) temporarily sets the reference position (Q) of the suspension device (11) to the reference position of the rectangular cloth (Y) on the roller (9) based on the detection signal. The position is adjusted to match the position (P), and in that state, each chuck (1) of the suspension device (11) is adjusted.
14, 115) to hold the mounting side edge (Yc) of the rectangular cloth piece (Y) on the roller (9), and then to suspend the suspension device (1).
The position of the hanging device (1) is adjusted by adjusting the reference position (Q) of (1) to the reference position (R) of the conveyor (14).
The rectangular cloth (Y) suspended in 1) is transported by the conveyor (1).
4) The centering device in the supply device for a rectangular cloth piece, wherein the centering device can be supplied on a fixed position of 4).