JP2016137066A - Cloth piece folding device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cloth piece folding device comprising laundry facilities and reducing recovery working of nonconforming products with defect such as stain.SOLUTION: A cloth piece folding device comprises: a first folding unit folding a cloth piece in one direction; a second folding unit folding the cloth piece in a direction perpendicular to the one direction; a conforming products outlet; a nonconforming product outlet ejecting a nonconforming product with defect such as stain in the cloth pieces after folded by the first folding unit and before folded by the second folding unit; and nonconforming product transporting means transporting the nonconforming product ejected from the nonconforming product outlet.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a cloth folding device. More specifically, the present invention relates to a cloth piece folding apparatus in which the work of collecting non-conforming items having cloth such as dirt is reduced.

  A linen supply company, in a laundry factory or the like, folds sheets such as sheets and towels into small pieces after washing and ironing, and ships them to a hotel or hospital in a state where a predetermined number of sheets are stacked. In this laundry factory, for example, a washing machine, a dehydrator, a dryer, a charging machine, a roll ironer, and a cloth folding device are installed. Among these devices, the charging machine, the roll ironer, and the cloth folding device installed in the latter half of the line are connected as follows. That is, the entrance side of the roll ironer is connected to the exit side of the charging machine, and the entrance side of the cloth folding device is connected to the exit side of the roll ironer. When the dried fabric pieces are put into the dosing machine, they are stretched without sagging, ironed with a roll iron, and then folded and laminated to a predetermined size by a cloth folding device. While being discharged.

  Even if a piece of cloth is once washed by such equipment, there may be a case where wrinkles such as dirt or tear remain on the piece of cloth due to the state of the dirt or aging of the piece of cloth. It is indispensable to remove this wrinkled piece of cloth as a nonconforming product in order to improve the quality of the linen to be shipped.

  Patent Document 1 discloses a detector that detects wrinkles of the cloth piece. FIG. 9 shows a front view of a conventional cloth folding device F. The cloth folding device F includes a folding unit 102 and a non-defective product discharging unit 103. When the wrinkle of the cloth is detected by the detector described in Patent Document 1, the operator of the cloth folding device F operates a button or the like, and determines the nonconforming product Z according to the detection result. The non-conforming product discharge port 105 other than the discharge port 104 is discharged, or the control device in the cloth folding device F automatically discharges the non-conforming product Z from the non-conforming product discharge port 105 based on the detection result. Was. In this case, the discharged nonconforming product Z was piled up around the folding device F.

  When the non-conforming product Z of the cloth pieces is piled up around the cloth folding device F by a certain amount, the operator of the cloth folding device F puts the non-conforming product Z into the dedicated carrier 108. At this time, if the bag is dirty, it is carried to the washing machine and washed again. However, in this case, there is a problem that the operator needs to put the non-conforming product Z piled up around the cloth folding device F into the dedicated carrier 108, and the labor of the operator can be taken.

  Patent Document 2 discloses a folding device provided with a non-conforming product discharge port separately from a conformed product discharge port of a folded cloth piece. In addition, as a non-conforming product separation device, a structure is disclosed in which a separation shooter for separating non-conforming products according to the type of bag is provided at the discharge port of the folding device.

  If the non-conforming product outlet is provided at the end of the cloth folding process, the cloth has already been folded to the final stage. In this case, there is a problem that the operator needs to work to unfold the cloth again in order to identify the bag and the like.

JP 2014-190852 A JP 2006-150198 A

  In view of the above circumstances, the present invention reduces the labor required to collect non-conforming items of cloth pieces discharged from the folding device, and reduces the labor required to identify the wrinkles of non-conforming items collected during re-washing. An object is to provide a single folding device.

The cloth folding device of the first invention includes a first folding part for folding the cloth piece in one direction, a second folding part for folding the cloth piece in a direction perpendicular to the folding direction, and a conforming product discharge port. The non-conforming product that has a flaw such as dirt on the cloth piece is discharged from the non-conforming product discharge port after being folded at the first folding unit and before being folded at the second folding unit. And a nonconforming product conveying means for conveying the nonconforming product.
The cloth folding device of the second invention is provided with a first folding part for folding the cloth piece in one direction, a second folding part for folding the cloth piece in a direction perpendicular to the folding direction, and a conforming product outlet. Non-conforming product with dirt, etc., out of the cloth piece is discharged before being folded at the first folding part after being discharged from the irona, and non-conforming product discharged from this non-conforming product discharge port. And a nonconforming product conveying means for conveying.
The cloth folding device according to a third aspect of the present invention is the first or second invention, wherein the folding device is provided with a control device and a detection unit for detecting wrinkles of the cloth. When the wrinkle of the cloth piece is detected by the section, the nonconforming product is discharged from the nonconforming product discharge port.
In the cloth folding device according to a fourth aspect of the present invention, in the third aspect of the invention, the control device operates the nonconforming product conveying means when the detection unit detects a wrinkle of the cloth.

According to the first invention, the cloth folding device includes the nonconforming product transport means for transporting the nonconforming product discharged from the nonconforming product discharge port, so that the nonconforming product accumulated around the cloth folding device can be obtained. The effort to clean up is reduced. In addition, since the non-conforming product discharge port for carrying out the non-conforming product in the stage before transporting to the second folding unit is provided, the non-conforming product is unnecessarily folded from the folding device without being folded up to the final stage. By carrying it out in this state, it becomes easy to develop the non-conforming product of the cloth piece, and the work for identifying the bag is reduced.
According to the second invention, the cloth folding device includes the nonconforming product transport means for transporting the nonconforming product discharged from the nonconforming product discharge port, so that the nonconforming product accumulated around the cloth folding device can be obtained. The effort to clean up is reduced. In addition, it is equipped with a non-conforming product discharge port for discharging non-conforming products after being discharged from the irona and before being transported to the first folding part, so that the non-conforming products can be folded without being unnecessarily folded to the final stage. Unloaded from the device. By carrying it out in this state, it becomes easy to develop the non-conforming product of the cloth piece, and the work for identifying the bag is reduced.
According to the third invention, when the control device detects the wrinkle of the cloth, it is not necessary for the operator of the cloth folding device to discharge the non-conforming product by discharging the non-conforming product. , The burden on the operator is reduced. In addition, since the detection of wrinkles is performed based on a predetermined threshold, oversight of nonconforming products is reduced.
According to the fourth invention, the control device operates the nonconforming product conveying means each time a nonconforming product is generated by operating the nonconforming product conveying means when a cloth wrinkle is detected. This reduces the burden on the operator.

It is a front view of the cloth piece folding device concerning a 1st embodiment of the present invention. It is a side view of the cloth piece folding apparatus of FIG. It is a front view of the nonconforming product conveyance means of the cloth folding device of FIG. It is a side view of the cloth folding apparatus which concerns on 2nd Embodiment of this invention. It is an arrangement plan of facilities of a laundry factory including a cloth folding device according to the present invention. It is a side view of the 1st folding part of the cloth piece folding apparatus which concerns on this invention. It is a front view of the 2nd folding part of the cloth folding device which concerns on this invention. It is explanatory drawing of how to fold the cloth piece by the cloth piece folding apparatus which concerns on this invention. It is a front view of the conventional cloth piece folding apparatus.

After describing the common structure of the cloth folding device F according to the present invention, the cloth folding device F according to each embodiment will be described with reference to the drawings.
FIG. 5 is a layout diagram of facilities in a laundry factory including the cloth folding device according to the present invention. The cloth folding device F is used as a part of equipment constituting a laundry line of a laundry factory as shown in FIG. In FIG. 5, the equipment in charge of the subsequent process from the dryer, that is, the charging machine C, the roll ironer R, and the cloth folding device F are shown. The entry side of the roll ironer R is connected to the exit side of the charging machine C, and the entry side of the cloth folding device F is connected to the exit side of the roll ironer R, and these devices form the latter half of the processing line. When the cloth pieces that have been washed are put into the feeding machine C, they are arranged in a stretched state without sagging, are ironed by the roll ironer R, and are folded by the cloth folding apparatus F.

  The cloth folding device F folds cloth pieces such as sheets and towels as shown in FIG. (A) First, the stretched cloth piece Y0 is folded at four folding positions a, b, and c parallel to the longitudinal direction to form four folds, and (B) the four-fold cloth piece Y1 is elongated. (C) The eight-fold cloth piece Y2 is folded in half at the middle folding position e in the longitudinal direction into 16 folds, and (D) The 16-fold cloth piece Y3 is folded in half at an intermediate folding position f in the longitudinal direction to obtain (E) a 32-fold cloth piece Y4. Note that folding the cloth piece so as to change the length only in the other direction without changing the length in one direction is referred to as “folding in one direction”.

  The cloth folding device F folds the stretched cloth piece Y0 in one direction, and folds the four folded cloth pieces Y1 and the four folded cloth pieces Y1 in a direction perpendicular to the folding direction of the first folding part. And a second folding part 2 that folds up to a 32-fold cloth piece Y4 (see FIG. 5). Here, folding in a perpendicular direction means changing the length of the cloth piece in the direction perpendicular to the one direction.

  FIG. 6 is a side sectional view of the first folding portion of the cloth folding device according to the present invention, and FIG. 7 is a front sectional view of the second folding portion of the cloth folding device. As shown in FIG. 6, the first folding unit 1 includes three conveyors 11 to 13 that convey the cloth pieces Y. Specifically, the first conveyor 11 that receives the stretched cloth piece Y0 from the roll ironer R and later feeds it, the second conveyor 12 provided in contact with the lower conveyance surface of the first conveyor 11, and the second conveyor 12 are provided. A third conveyor 13 provided in contact with the lower conveyance surface is provided. The third conveyor 13 is connected to the fourth conveyor 14 of the second folding unit 2.

  Moreover, the 1st folding part 1 is equipped with the folding apparatuses 31 and 32 which fold the cloth piece Y in the connection part of two conveyors of the said conveyors 11-13. Specifically, in the vicinity of the first folding device 31 provided in the vicinity of the connecting portion between the end of the first conveyor 11 and the starting end of the second conveyor 12, in the vicinity of the connecting portion between the end of the second conveyor 12 and the starting end of the third conveyor 13. A provided second folding device 32 is provided. The folding devices 31 and 32 include folding plates 31a and 32a and actuators that drive the folding plates 31a and 32a, respectively. In addition, a pressing member 36 that sandwiches the cloth piece Y0 in cooperation with the folding plate 32a of the second folding device 32 is provided at a position facing the connecting portion between the terminal end of the second conveyor 12 and the starting end of the third conveyor 13. ing.

  As shown in FIG. 7, the second folding unit 2 includes six conveyors 14 to 19 that transport the cloth pieces Y. Specifically, the 4th conveyor 14 connected to the 3rd conveyor 13 of the 1st folding part 1, the 5th conveyor 15 provided so that a mutual conveyance surface might face the center lower part of the 4th conveyor 14, and the 1st A sixth conveyor 16, a seventh conveyor 17 and an eighth conveyor 18 provided below the fifth and sixth conveyors 15 and 16, and a ninth conveyor connected to the seventh conveyor 17 and provided below the eighth conveyor 18. 19 is provided.

  Moreover, the 2nd folding part 2 is equipped with the folding apparatuses 33-35 which fold the cloth piece Y in the connection part of two conveyors of the said conveyors 14-19. Specifically, the third folding device 33 provided in the vicinity of the connecting portion between the starting end of the fifth conveyor 15 and the starting end of the sixth conveyor 16, and the first provided in the vicinity of the connecting portion between the seventh conveyor 17 and the eighth conveyor 18. A fourth folding device 34 and a fifth folding device 35 provided near the connecting portion between the starting end of the tenth conveyor 20 and the starting end of the eleventh conveyor 21 are provided. The folding devices 33, 34, and 35 include folded plates 33a, 34a, and 35a and actuators that drive the folded plates 33a, 34a, and 35a, respectively.

  A gap is opened at the connecting portion between the seventh conveyor 17 and the eighth conveyor 18, and a connecting plate 37 that opens and closes the gap is provided. The connecting plate 37 is advanced and retracted by an actuator such as a servo actuator or an air cylinder so that the gap between the connecting portions of the seventh conveyor 17 and the eighth conveyor 18 can be opened and closed.

  As shown in FIG. 5, the cloth folding device F includes a control device 50. The control device 50 includes a CPU, a memory, and the like, and controls operations of the conveyors 11 to 19 and the folding devices 31 to 35. The control device 50 includes a known detection unit 51 that detects wrinkles of the cloth in the first half of the cloth folding device F. The input device C is provided with setting means 60. The setting means 60 is composed of a user interface such as a monitor and operation buttons in addition to a CPU and a memory, and allows an operator to specify the type of cloth Y to be loaded into the loading machine C. The setting means 60 is connected to the roll ironer R and the cloth folding device F in addition to the charging machine C, and is configured so that the operation of each device can be changed depending on the type of the cloth Y.

A method of folding the cloth piece Y by the cloth piece folding apparatus F will be described with reference to FIGS.
First, the stretched cloth pieces Y0 are supplied to the first conveyor 11 of the first folding unit 1 one by one. Then, the second folding device 32 is folded in one direction by a known method while being conveyed by the first to third conveyors 11 to 13 to form a quadruple cloth piece Y1, and then the second folding device 32. It is conveyed to the fourth conveyor 14 of the folding unit 2.

  Next, the four-fold cloth piece Y1 is transferred by the fourth to ninth conveyors 14 to 19 in the second folding unit 2 by the third, fourth, and fifth folding devices 33, 34, and 35. By a well-known method, it folds in the direction perpendicular | vertical to the one direction of a 1st folding part, and becomes 32 fold-shaped cloth piece Y4.

  Then, the cloth piece Y4 folded into a predetermined small area is transported from the ninth conveyor 19 to the conforming product discharger 3 to a predetermined position from the conforming product discharge port 4 provided in the conforming product discharger 3. A predetermined number of sheets are discharged and stacked.

  FIG. 1 is a front view of a cloth folding device according to the first embodiment of the present invention, and FIG. 2 is a side view thereof. FIG. 3 is a front sectional view of the nonconforming product conveying means provided in the cloth folding device. The cloth folding device F according to the present embodiment includes a non-conforming product discharge port 5 that discharges a non-conforming product Z with a fold after being folded by the first folding unit 1 and before being folded by the second folding unit 2; A nonconforming product transporting means for transporting the nonconforming product Z discharged from the nonconforming product discharge port 5 is provided.

  Here, the case where the cloth piece moves from the first folding part 1 to the second folding part 2 will be described in detail with reference to FIG. When there is no wrinkle on the cloth piece, the folded fourth conveyor 14 stops at a position where the third folding device 33 is operated with respect to the four-fold cloth piece Y1. Thereafter, the third folding device 33 operates. However, if there are wrinkles in the cloth pieces, the fourth conveyor 14 continues to operate, and as shown by the nonconforming product conveyance path H, the nonconforming product Z is discharged from the nonconforming product discharge port 5.

  Regarding the nonconforming product Z in which the wrinkles are detected by the detection unit 51, if the wrinkles are dirty, the nonconforming product Z is washed again, and if the wrinkles are broken, the nonconforming product Z is removed. In addition, when washing again, a detergent may be applied to the soiled part in order to easily remove the dirt. These operations need to be performed in a state where the nonconforming product Z is unfolded, and if it is folded only in one direction, the operator can easily unfold it. Therefore, by providing the non-conforming product discharge port 5 for discharging the non-conforming product Z having a wrinkle after being folded by the first folding unit 1 and before being folded by the second folding unit 2, the labor of the operator is reduced. Can be reduced.

  The nonconforming product conveying means includes a horizontal conveyor 6 that horizontally conveys the nonconforming product Z in the direction of the dedicated carrier 8, a vertical conveyer 7 that receives the nonconforming product Z from the horizontal conveyor 6 and throws it into the carrier 8, It is composed of The horizontal conveyor 6 is provided adjacent to the cloth folding device F. The nonconforming product Z conveyed by the fourth conveyor 14 and discharged from the nonconforming product discharge port 5 is lowered onto the nonconforming product conveyance. It is conveyed toward the carrier 8 along the route H.

  The nonconforming product Z conveyed by the horizontal conveyor 6 is lifted upward by the vertical conveyor 7 and dropped into the carrier 8. The vertical transfer conveyor 7 is composed of two conveyors, a vertical first conveyor 7a and a vertical second conveyor 7b. Two conveyors are arranged so that the belt on the carrier 8 side of the vertical first conveyor 7a and the belt on the second folding portion side of the vertical second conveyor 7b are opposed to each other, and the belts of the opposed portions are arranged from the bottom to the top. It is driven. Then, when the nonconforming product Z is sandwiched between the opposed portions, the nonconforming product Z is lifted upward and dropped into the carrier 8 from the opening on the upper surface of the carrier 8. In addition, the lower end part of the vertical second conveyor 7b extends in the direction of the horizontal conveyor 6, and is configured to easily receive the nonconforming product Z from the horizontal conveyor 6. Further, the upper end portion of the vertical first conveyor 7a is configured to protrude toward the carrier 8 side from the upper end of the vertical second conveyor 7b. With such a configuration, the nonconforming product Z conveyed by the vertical conveyor 7 is reliably conveyed to the carrier 8.

  In addition, although the combination of the horizontal conveyor 6 and the upper conveyance conveyor 7 was demonstrated as a nonconforming product conveyance means, a nonconforming product conveyance means is not limited to this, It conveys a nonconforming product to the carrier 8 as one body. There is no problem even if it exists. Moreover, there is no problem even if the nonconforming product conveying means is coupled to the side surface of the second folding unit 2.

  The control device 50 of the cloth folding device F according to the present embodiment causes the nonconforming product Z to be discharged from the nonconforming product discharge port 5 when the detection unit 51 detects the wrinkle of the cloth. And after discharging | emitting from the nonconforming product discharge port 5, after a predetermined time passes, a nonconforming product carrying-out apparatus is operated. The discharge time of the nonconforming product Z from the nonconforming product discharge port 5 is determined according to the length of the nonconforming product Z in the operation direction. Since the nonconforming product Z is in a four-fold state, the discharge time from the nonconforming product discharge port 5 is short and constant.

  Since the cloth folding device F is provided with a non-conforming product transport means for transporting the non-conforming product Z discharged from the non-conforming product discharge port 5, the effort to clean up the non-conforming product Z accumulated around the cloth folding device F Is reduced.

  When the control device 50 detects the wrinkle of the cloth piece, the operator of the cloth folding device F needs to perform an operation of discharging the non-conforming product by operating a button or the like by discharging the non-conforming product Z. This reduces the burden on the operator. In addition, since the detection of wrinkles is performed based on a predetermined threshold value, oversight of the nonconforming product Z is reduced.

  When the control device 50 detects the wrinkle of the cloth piece, the non-conforming product transporting unit is activated, so that the operator does not need to operate the non-conforming product transporting unit every time the nonconforming product Z is generated. The burden on the operator is reduced. Further, since the non-conforming product Z is constant, the non-conforming product conveying means can be operated with simple control based on the time since the detection of the wrinkles.

  FIG. 4 shows a side view of the cloth folding device F according to the second embodiment of the present invention. The difference from the first embodiment is that a non-conforming product Z having a wrinkle is discharged from the non-conforming product discharge port 5 after being discharged from the irona R and before being folded by the first folding unit 1. In the present embodiment, the unfolded cloth piece Y0 is discharged by operating the first conveyor 11 or the like without operating the second folding device 32 of the first folding unit 1 (see FIG. 6).

  As in the first embodiment, the cloth folding device F is provided around the cloth folding device F by including the nonconforming product transport means for transporting the nonconforming product Z discharged from the nonconforming product discharge port 5. The labor of cleaning up the non-conforming product Z is reduced. In addition, the non-conforming product Z is unnecessarily folded up to the final stage by being provided with the non-conforming product discharge port 5 for discharging the non-conforming product Z after being discharged from the irona R and before being transported to the first folding unit 1. Without being folded out of the folding device F. By carrying it out in this state, it becomes easy to develop the non-conforming product Z of the cloth piece, and the work for specifying the bag is reduced. Furthermore, a nonconforming product conveyance means can be installed between the 1st folding part 1 and the irona R, and the footprint of the cloth folding apparatus F can be made small.

  In this specification, regardless of the type of soot, that is, when the soot is dirty or when the soot is torn, the nonconforming product Z is discharged from the nonconforming product discharge port 5. However, the present invention includes a case where only one of the bottles discharged from the nonconforming product discharge port 5 is included. That is, the detection unit 51 is configured to be able to distinguish between dirt and tear of the cloth piece, and at this time, a plurality of discharge ports for the nonconforming product Z are provided. For example, if the flaw is dirty, the non-conforming product Z is discharged from the non-conforming product discharge port 5 in this specification. If the flaw is torn, the non-conforming product Z is folded to the same size as the conforming product. The product is discharged from a discharge port different from the regular product discharge port 4.

DESCRIPTION OF SYMBOLS 1 1st folding part 2 2nd folding part 3 Conformity product discharge part 4 Conformity product discharge port 5 Nonconformity product discharge port 6 Horizontal conveyor 7 Vertical conveyance conveyor 50 Control device 51 Detection part F Cloth piece folding device H Nonconformity product conveyance path R Irona Z nonconforming product

Claims (4)

After receiving the cloth piece discharged from the irona, the cloth piece is folded to a predetermined size, and the folded cloth piece is discharged to a predetermined position.
In this folding device,
A first folding part that folds the cloth piece in one direction, a second folding part that folds the cloth piece folded in the first folding part in a direction perpendicular to the one direction, and a second folding part. And a conforming product outlet for discharging the folded piece of cloth,
A nonconforming product discharge port that discharges a nonconforming product that has wrinkles such as dirt out of the cloth pieces before being folded by the second folding unit after being folded by the first folding unit,
Nonconforming product transport means for transporting nonconforming product discharged from the nonconforming product discharge port;
The cloth piece folding apparatus characterized by the above-mentioned. After receiving the cloth piece discharged from the irona, the cloth piece is folded to a predetermined size, and the folded cloth piece is discharged to a predetermined position.
In this folding device,
A first folding part that folds the cloth piece in one direction, a second folding part that folds the cloth piece folded in the first folding part in a direction perpendicular to the one direction, and a second folding part. And a conforming product outlet for discharging the folded piece of cloth,
A nonconforming product discharge port that discharges the nonconforming product with wrinkles such as dirt out of the cloth piece before being folded by the first folding unit after being discharged from the irona;
Nonconforming product transport means for transporting nonconforming product discharged from the nonconforming product discharge port;
The cloth piece folding apparatus characterized by the above-mentioned. In the cloth folding device,
A control device, and a detection unit for detecting wrinkles of the cloth piece,
When the wrinkle of the cloth piece is detected by the detection unit, the control device,
The cloth folding device according to claim 1 or 2, wherein the nonconforming product is discharged from the nonconforming product discharge port. When the wrinkle of the cloth piece is detected by the detection unit, the control device,
The cloth folding apparatus according to claim 3, wherein the nonconforming product conveying means is operated.

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