JP5406788B2 - Cutting apparatus and cutting method - Google Patents

Description

  The present invention relates to a cutting apparatus capable of simultaneously cutting a plurality of sheet materials.

  There is a plotter-type cutting device as a cutting device for cutting a cloth fabric for clothing to produce a pattern piece. This type of cutting apparatus includes a cutting table having a support surface that supports the fabric, and a cutting unit that includes a cutting blade and is driven in a planar direction on the support surface of the cutting table. In this cutting apparatus, cutting data representing a cutting pattern of a pattern piece is input, and based on this cutting data, the cutting blade is operated while driving the cutting unit to cut the fabric to produce a pattern piece. ing.

  The plotter-type cutting device is arranged on a cutting table in a state where a plurality of fabrics are stacked in order to cope with mass production of clothing, and the plurality of fabrics are simultaneously cut by a cutting unit to have the same shape. There is a laminated cutting apparatus that simultaneously produces a plurality of pattern pieces. As a lamination type cutting device, there is one provided with an extending table adjacent to the cutting table and a traveling carriage that carries a fabric roll and reciprocates on the extending table. (For example, refer to Patent Document 1).

  As this traveling type cutting apparatus travels on the spreading table, the fabric is unwound from the roll mounted on the traveling carriage and extended onto the extending table, and the fabric is cut off at the end of the extending table. The end is cut and separated from the roll. Thereafter, the traveling carriage returns to the starting end of the extension table, and the fabric is extended again while traveling toward the end, and the fabric is cut at the end. By repeating the travel of the traveling carriage and repeating the extending and cutting of the fabric, a laminate of the fabric is formed on the spreading table. This laminate is formed on an underlay sheet placed in contact with the surface of the roll-up table. The laminated body formed on the extending table is supplemented by supplementary means provided on the traveling carriage, and the traveling carriage travels and is conveyed to the cutting table. In order to reduce the frictional resistance between the surface of the extending table and the back surface of the underlay sheet, the extending table is provided with a compressor device that blows out air from a plurality of blowing holes provided on the surface of the extending table. .

  By the way, recently, in the clothing market, the duration of the trend is becoming shorter and the trend is diversifying, so the production form of clothing is shifting from small-lot mass production to multi-variety small-volume production. is there. In order to cope with such a change in production form, there is a need for a cutting apparatus that can quickly cut a relatively small number of pattern pieces by a necessary number.

JP 7-215579 A

  However, the stack type cutting device described in Patent Document 1 stacks the fabric on the spread table, and then transports the stacked fabric from the spread table to the cutting unit, so it takes from extending the fabric to cutting. There is a disadvantage that the time is relatively long.

  In addition, since the above-described laminated cutting apparatus includes a traveling carriage and a compressor device for laminating the dough and conveying the laminated dough, the number of components is relatively large and the structure is complicated. Therefore, there is a disadvantage that the apparatus cost is relatively high.

  In addition, since the above-described laminated type cutting apparatus includes the extending table adjacent to the cutting table, there is a problem that a relatively wide installation place is required.

  Accordingly, an object of the present invention is to use a cutting device that can perform the process from extension of a sheet material to cutting in a relatively short time, has a simple structure, and can be installed in a relatively narrow place. It is to provide a cutting method.

In order to solve the above-mentioned problem, the cutting device of the present invention includes an unwinding portion that unwinds and unwinds the sheet material from the roll of sheet material,
The sheet material unwound from the unwinding part extends and extends from one end of the surface to the other end, and the surface is a belt conveyor that is a cutting region for cutting the extended sheet material,
A separation cutter for cutting the sheet material unwound at the unwinding part and separating it from the roll;
An accommodating portion that is disposed adjacent to at least one end of the belt conveyor, and that accommodates a portion of the sheet material that is placed on the surface of the belt conveyor that is detached from the belt conveyor;
A cutter head having a pattern cutter that moves the surface of the cutting area in a plane direction and cuts the sheet material along the cutting pattern is provided.

  According to the above configuration, the sheet material is unwound and unwound at the unwinding portion, and the unrolled sheet material is extended from one end of the surface toward the other end by the belt conveyor. A sheet material is stretched over the surface of the belt conveyor. The sheet material stretched on the surface of the belt conveyor is cut by a separation cutter and separated from the roll. This sheet material is separated from the surface of the belt conveyor by driving the sheet material that is separated from the roll by being stretched on the surface of the belt conveyor in a direction from the other end to the one end. The portion separated from the surface of the belt conveyor is accommodated in the accommodating portion. Thereby, the part of the other end side of the said sheet | seat material can be made into the state brought near to the surface of the one end side of the said belt conveyor. In this state, a new sheet material is unwound from the roll by the unwinding portion, and the unwound sheet material is overlaid on the surface of the sheet material brought close to the one end side. Thereafter, the sheet material is unwound at the unwinding portion and the belt conveyor is driven in a direction from one end to the other end, whereby the sheet material housed in the housing portion is drawn out and extended on the surface of the belt conveyor. The sheet material unrolled at the unwinding portion overlaps and extends on the surface of the sheet material. The unwinding operation of the sheet material by the unwinding portion, the unfolding operation of the sheet material by the belt conveyor, the separating operation of the sheet material by the separation cutter, and the accommodation of a part of the sheet material in the receiving portion by the belt conveyor. By repeating the operation, a desired number of sheet materials can be stacked on the cutting region on the surface of the belt conveyor. In this way, by driving the cutter head in a state where a plurality of sheet materials are laminated on the cutting region of the surface of the belt conveyor, the plurality of sheet materials are simultaneously cut by the pattern cutter, and a pattern piece having substantially the same shape is formed. Produced.

  As described above, according to the cutting apparatus of the present invention, the sheet material to be unwound at the unwinding portion is directly laminated on the surface of the belt conveyor that is the cutting area. After stacking the dough with the traveling carriage, the sheet material can be laminated in the cutting region in a shorter time than transferring the laminated dough to the cutting table with the traveling carriage. Therefore, according to the present invention, the process from extending the sheet material to cutting can be performed in a relatively short time.

  Further, since the cutting apparatus of the present invention does not require a spread table, a traveling carriage, and a compressor apparatus as in the conventional cutting apparatus, the apparatus configuration can be simplified, and the apparatus cost can be reduced.

  Furthermore, since the cutting apparatus of the present invention does not require a stretch table like the conventional cutting apparatus, it can be installed in a narrower place than before.

  Note that the number of sheet materials to be laminated on the surface of the belt conveyor may be any number of two or more, but it is preferable to laminate two or more five sheet materials in order to cope with low-mix production. Further, a single-layer sheet material may be stretched and cut on the surface of the belt conveyor.

  In the cutting apparatus according to an embodiment, the pattern cutter of the cutter head also serves as the separation cutter.

  According to the above embodiment, fewer parts are obtained by cutting the sheet material unraveled at the unraveling section with the pattern cutter of the cutter head that moves in the plane direction on the surface of the belt conveyor that is the cutting area. The sheet material can be separated from the roll by the score and cut.

  The cutting apparatus of one Embodiment is provided with the 2nd accommodating part provided adjacent to the other end side of the said belt conveyor.

  According to the above embodiment, the surface of the belt conveyor in the longitudinal direction of the belt conveyor by feeding the sheet material in the direction from one end to the other end of the belt conveyor and storing a part of the sheet material in the second storage portion. Longer sheet materials can be laminated.

The cutting method of the present invention includes a belt conveyor, an unwinding portion that is disposed on one end side of the belt conveyor, unwinds a sheet material from a roll, and is disposed adjacent to at least one end side of the belt conveyor. A cutting method using a cutting device including a storage portion,
An unwinding step of unwinding the sheet material at the unwinding portion and extending the unrolled sheet material in a direction from one end to the other end by the belt conveyor to extend the sheet material on the surface of the belt conveyor;
A separation step of cutting the sheet material, separating the portion of the sheet material that has been stretched by the belt conveyor from the roll, and forming a sheet piece;
The sheet piece is fed in the direction from the other end to the one end by the belt conveyor, the other end side portion of the sheet piece is positioned at one end side portion of the surface of the belt conveyor, and the one end side portion of the sheet piece is placed in the accommodating portion. An accommodating process for accommodating in,
The sheet material is unwound from the roll at the unwinding portion, and the leading end portion of the sheet material is placed on the other end portion of the sheet piece located at one end portion of the surface of the belt conveyor for alignment. An alignment process;
The sheet material is unwound from the roll at the unwinding portion, and the sheet material is laminated on the sheet piece by sending the unwound sheet material in the direction from one end to the other end with the belt conveyor. Laminating and extending process extending in
And a cutting step of simultaneously cutting the sheet piece and the sheet material laminated and extended on the surface of the belt conveyor.

  According to the above configuration, in the unwinding step, the sheet material is unwound at the unwinding portion, and the unwound sheet material is extended in the direction from one end to the other end by the belt conveyor, and the sheet material is formed on the surface of the belt conveyor. Prolong. Here, an accommodation portion may be provided on the other end side of the belt conveyor, and the accommodation portion may accommodate the leading end portion in the extending direction of the sheet material. In the separation step, the sheet material is cut, and a portion of the sheet material that has been stretched by the belt conveyor is separated from the roll to form a sheet piece. In the accommodating step, the sheet piece is fed in the direction from the other end to the one end by the belt conveyor, the other end side portion of the sheet piece is positioned at one end side portion of the surface of the belt conveyor, and the one end side portion of the sheet piece Is accommodated in the accommodating portion. Thereafter, in the positioning step, the unwinding portion unwinds the leading end portion of the sheet material from the roll, and the leading end portion of the sheet is positioned on the one end side portion of the surface of the belt conveyor. Place it on the part and align it. Subsequently, in the stacking and unfolding step, the sheet material is unwound from the roll at the unwinding portion, and the unwound sheet material is sent in the direction from one end to the other end by the belt conveyor. It extends in the state laminated | stacked on the said sheet piece. Thereafter, in the cutting step, the sheet piece and the sheet material stacked and extended on the surface of the belt conveyor are simultaneously cut. By the cutting process, a pattern piece having substantially the same shape is produced from the sheet piece and the sheet material.

  As described above, according to the cutting method of the present invention, since the sheet pieces and the sheet material are directly laminated on the surface of the belt conveyor to be cut, the cloth is laminated with the traveling carriage on the extending table as in the past. After that, it is possible to stack the sheet pieces and the sheet material in the cutting area in a shorter time than transferring the stacked fabric to the cutting table with the traveling carriage. Therefore, according to the present invention, the process from extending the sheet material to cutting can be performed in a relatively short time.

  Moreover, since the cutting method of the present invention does not use a stretch table, a traveling carriage, and a compressor device as in the conventional cutting device, the device configuration for executing the cutting method can be simplified, and thus the device cost can be reduced. Can do.

  Furthermore, since the cutting method of the present invention does not use a spread table as in a conventional cutting apparatus, it is possible to stack and cut sheet pieces and sheet materials in a narrower place than before.

  In the cutting method according to an embodiment, after the stacking and extending step, the separation step, the containing step, the positioning step, and the stacking and extending step are repeated a plurality of times to stack a plurality of sheet pieces. Then, the plurality of laminated sheet pieces and sheet materials are simultaneously cut in the cutting step.

  According to the embodiment, a desired number of sheet pieces can be stacked to produce a plurality of pattern pieces having substantially the same shape.

  In the cutting method according to an embodiment, the sheet material is arranged on the other end side portion of the sheet piece in the alignment step, and the sheet material stacked and extended on the sheet piece in the lamination extending step is the sheet piece. Are in contact with each other on the same side.

  According to the above-described embodiment, the sheet material and the sheet piece are laminated in a state where the surfaces on the same side are in contact with each other, and the pattern piece having a line symmetry shape can be produced by cutting.

It is a figure which shows the cutting device of embodiment of this invention. It is a longitudinal cross-sectional view which shows typically the principal component part of a cutting device. It is a longitudinal cross-sectional view which shows typically the cutting device in a extending process. It is a longitudinal cross-sectional view which shows typically the cutting device in an accommodation process. It is a longitudinal cross-sectional view which shows typically the cutting apparatus in a lamination extending process. It is sectional drawing which shows typically the lamination | stacking state of a sheet piece and a sheet | seat material.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

  The cutting device according to an embodiment of the present invention is a plotter-type cutting device that cuts a fabric as a sheet material to produce a pattern piece of clothing. As shown in FIG. 1, the cutting device 1 includes a cutting table 2, a cutting unit 22, a unwinding machine 3 as a unwinding unit, and a control device 4.

  The cutting table 2 supports a fabric piece 51 as a sheet piece and a fabric 52 as a sheet material, and has a support surface Ac serving as a cutting area for cutting the fabric piece 51 and the fabric 52. As shown in FIG. 2, the support surface Ac is formed by the surface of the belt conveyor 21 accommodated in the cutting table 2, and more specifically, is formed by the upper side surface of the endless belt 26 constituting the belt conveyor 21. . The belt conveyor 21 is configured by an endless belt 26 being stretched between cylindrical pulleys 27, 27. The pulley 27 is rotationally driven by a stepping motor (not shown), and the fabric pieces 51 on the support surface Ac and The fabric 52 is controlled to be transferred by a distance corresponding to the rotational drive amount of the pulley 27. In addition to the stepping motor, a servo motor, an inverter control motor, or the like can be used as a motor that rotationally drives the pulley 27 of the belt conveyor 21. Whichever motor is used, it is preferable that the position of the endless belt 26, the fabric piece 51 or the fabric 52 is detected, and the rotational speed and rotation angle of the motor are controlled based on the detected position. . The endless belt 26 whose upper side surface is the support surface Ac is formed of a moquette-like fabric in which pile hairs are planted on a base fabric. The cloth piece 51 and / or the cloth 52 is sucked and fixed to the support surface 21 by a vacuum pump (not shown) through the endless belt 26 in the form of a moquette.

  The cutting unit 22 includes two carriers 23 and 23 configured to move in the longitudinal direction along both edges in the width direction of the cutting table 2, and a rail 24 spanned between the carriers 23 and 23. And a cutter head 25 that moves in the width direction along the rail 24. The cutter head 25 is configured to cut the fabric piece 51 and / or the fabric 52 by a shearing action of a rotary blade that is cut from the front surface side and a lower blade that is cut from the back surface side. The cutter head 25 may be one that reciprocates a saw-like cutter to cut the fabric piece 51 and / or the fabric 52, and various cutting methods according to the type and number of the fabric pieces 51 and / or the fabric 52. Can be set.

  The unraveling machine 3 is disposed adjacent to the cutting table 2 on one end side of the belt conveyor 21. The unraveling machine 3 unwinds the fabric 52 by rotationally driving the roll 5 in a state where the fabric roll 5 is placed. The unraveling machine 3 is provided with two unrolling rollers 31 and 31 that are rotationally driven by a motor (not shown) and whose rotation shafts are arranged in parallel at a predetermined interval. A roll 5 is placed between the two unwinding rollers 31, 31 so as to be in contact with the two unwinding rollers 31, 31, and the roll 5 is moved according to the direction in which the unwinding rollers 31, 31 are rotationally driven. It is configured to rotate in the unwinding direction or the winding direction. In the unwinding machine 3, the fabric 52 unwound from the unwinding roller 31 is sent to the cutting table 2 on the side of the cutting table 2 relative to the unwinding rollers 31, 31, or is taken up by the unwinding roller 31. A guide roller 32 that guides the fabric 52 from the cutting table 2 is provided. The unwinding speed of the fabric 52 of the unwinder 3 or the winding speed of the fabric 52 is controlled according to the driving speed of the belt conveyor 21.

  Between the one end of the belt conveyor 21 and the unwinding machine 3, a first accommodating portion S <b> 1 is provided that is located below the support surface Ac of the belt conveyor 21. The first accommodating portion S1 accommodates a part of the fabric piece 51 extended on the belt conveyor 21, and the belt conveyor 21 moves in the direction from the other end toward the one end. A portion of the fabric piece 51 that is separated from the endless belt 26 and descends is accommodated. The first storage portion S1 only needs to have a support portion that supports the portion of the fabric piece 51 so that the fabric piece 51 does not slide off from the belt conveyor 21, and can be constituted by, for example, a box-shaped container, or support. It can comprise including the board | plate member and bar member which form a part, or the floor surface in which the cutting device 1 was installed. That is, the first accommodating portion S1 may be configured by the gap between the cutting table 2 and the unwinder 3 and the support portion below the gap.

  On the other end side of the belt conveyor 21, a second storage portion S <b> 2 is provided that is positioned below the support surface Ac of the belt conveyor 21. The second storage portion S2 removes the portion of the fabric piece 51 and / or the fabric 52 that has fallen off the endless belt 26 of the belt conveyor 21 as the belt conveyor 21 moves in the direction from one end to the other end. Accommodate. Similar to the first storage unit S1, the second storage unit S2 includes a support unit that supports the fabric piece 51 and / or the portion of the fabric 52 so that the fabric piece 51 and / or the fabric 52 does not slide off the belt conveyor 21. If so, it can be configured in various forms. For example, the second accommodating portion S2 is formed by a gap between the outer frame of the cutting table 2 and the other end of the belt conveyor 21 and a support portion formed on the bottom surface of the casing of the cutting table 2 positioned below the gap. Can be configured.

  In addition, said 2nd accommodating part S2 is used when the fabric piece 51 and the fabric 52 are laminated | stacked longer than the longitudinal direction dimension of the support surface Ac of the belt conveyor 21. FIG. When the fabric piece 51 and the fabric 52 are stacked to be shorter than the longitudinal dimension of the support surface Ac, it is only necessary that the first storage portion S1 is installed, and the second storage portion S2 is not provided.

  The control device 4 is connected to the cutting table 2 and the disassembling machine 3 and controls when the fabric pieces 51 and the fabric 52 are stacked on the support surface Ac of the cutting table 2 and the fabric placed on the support surface Ac. The control is performed when the piece 51 and / or the fabric 52 is cut, and is configured by a commercially available notebook PC (personal computer). The control device 4 is connected to a controller 41 operated by an operator. The controller 41 receives command inputs from the operator regarding the unwinding operation and winding operation of the unraveling machine 3, the driving direction and driving amount of the belt conveyor 21, the operation of the cutter of the cutting unit 22, and the like. A game controller can be used. A control unit having the same function as that of the control device 4 is built in the cutting table 2 or the unraveling machine 3, and the carrier 23 of the cutting unit 22 of the cutting table 2, the frame of the unraveling machine 3, or the like is provided with a touch panel or the like. You may provide the formed command input part.

  Hereinafter, the fabric piece 51 and / or the fabric 52 unwound from the roll 5 are stacked by the cutting device 1 having the above-described configuration, and the stacked fabric pieces 51 and / or the fabric 52 are simultaneously cut to produce a plurality of pattern pieces. A method will be described.

  3 to 5 are process diagrams showing a method of laminating the fabric piece 51 and the fabric 52 on the support surface Ac serving as a cutting area of the cutting apparatus 1. 3 is a longitudinal sectional view of the cutting device 1 in the extending step, FIG. 4 is a longitudinal sectional view of the cutting device 1 in the accommodating step, and FIG. 5 is a longitudinal section of the cutting device 1 in the lamination extending step. FIG.

  First, the fabric roll 5 is placed on the unwinding rollers 31 of the unwinder 3.

  Subsequently, when the operator operates the controller 41 and a cloth extending command is input, the extending process is performed. That is, the unwinding machine 3 unwinds and rotates the roll 5 to the unwinding side indicated by the arrow R1 in FIG. 3 to unwind the fabric, and the belt conveyor 21 unwinds as indicated by the arrow F. The taken-out fabric is sent in a direction from one end to the other end. The fabric sent to the other end portion of the belt conveyor 21 falls off from the other end of the belt conveyor 21 and is stored in the second storage portion S2. When the cloth of a predetermined length is unwound from the roll 5, the operations of the unwinding machine 3 and the belt conveyor 21 are stopped based on the input to the controller 41 by the operator. Subsequently, the cutter head 25 moves to one end of the belt conveyor 21, and the separation process is performed by cutting the fabric linearly in the width direction with the separation cutter 28 in the cutter head 25. Thereby, the fabric is separated from the roll 5 and the fabric piece 51 is formed.

  Thereafter, in response to an input to the controller 41 by the operator, the unwinding machine 3 performs a winding operation, rotates the roll 5 in the winding direction indicated by the arrow R2 in FIG. As indicated by an arrow B, the belt conveyor 21 sends the fabric piece 51 in the direction from the other end toward the one end to perform the accommodation step. Thereby, the other end side part of the fabric piece 51 is brought close to the one end side part of the support surface Ac of the belt conveyor 21, and the one end side part of this fabric piece 51 falls from one end of the endless belt 26, and 1st accommodation is carried out. Housed in part S1.

  When the other end portion of the fabric piece 51 is positioned at one end portion of the support surface Ac of the belt conveyor 21, the unwinding machine 3 performs the unwinding operation in response to the input to the controller 41 by the operator, and the alignment is performed. The fabric 52 having a length necessary for the unwinding is unwound. The leading end portion of the fabric 52 unwound from the unwinder 3 is aligned by the operator, and is superimposed on the surface of the fabric piece 51 brought to the one end side. After the alignment step is performed in this manner, the unwinding portion 3 performs the unwinding operation in response to an input to the controller 41 by the operator, and the roll 5 is driven in the direction indicated by the arrow R1 in FIG. While unwinding 52, the belt conveyor 21 feeds in a direction from one end to the other end. As a result, the fabric piece 51 accommodated in the first accommodation portion S1 is drawn out and extended on the support surface Ac of the belt conveyor 21 as indicated by the arrow F, and the surface of the fabric piece 51 is disassembled. The fabrics 52 unrolled from the part 3 are overlapped and extended, and a lamination and extending step is performed. When the other end portions of the laminated fabric pieces 51 and 52 reach the vicinity of the other end of the support surface Ac of the belt conveyor 21, the belt conveyor 21 stops, and all the steps of fabric spreading and lamination are completed.

  Thereafter, in response to an input to the controller 41 by the operator, the cutter head 25 is driven, and a cutting process is performed in which the fabric piece 51 and the fabric 52 are simultaneously cut by the pattern cutter. A pattern piece having substantially the same shape is produced from the fabric piece 51 and the fabric 52 by the cutting step. Here, the pattern cutter that cuts the fabric piece 51 and the fabric 52 may also serve as the separation cutter 28 that cuts the fabric when the fabric piece 51 is formed. The pattern cutter may be a cutter built in the cutter head 25 and different from the separation cutter 28. Further, the separation cutter 28 may be installed at one end of the cutting table 2 or the other end of the unwinding machine 3 without being provided in the cutter head 25.

  The cutting device 1 according to the present embodiment can set the front and back orientations of the fabric pieces 51 and 52 to be laminated according to the pattern piece to be produced. FIG. 6 is a diagram for explaining the combinations of front and back that can be set when the fabric piece 51 and the fabric 52 are laminated.

  FIG. 6A shows the front and back directions of the fabric piece 51 and the fabric 52 laminated in the steps shown in FIGS. 3 to 5, and both the fabric piece 51 and the fabric 52 have their raised surfaces facing upward. Are stacked. That is, as shown in FIG. 3, after the fabric is stretched and cut on the belt conveyor 21 to form the fabric piece 51, the direction of the roll 5 on the unwinder 3 is not changed and the direction shown in FIG. Thus, the roll 5 is driven to rotate in the same rotational direction R1 as when the fabric piece 51 is formed, and the fabric 52 is unwound. Thereby, the fabric piece 51 and the fabric 52 are laminated | stacked with the raising surface facing the same direction.

  On the other hand, as shown in FIG. 6B, when the raised surface of the fabric piece 51 is laminated downward and the raised surface of the fabric 52 is laminated upward, the roll 5 for unwinding the fabric when forming the fabric piece 51 is used. Then, it is placed on the spreader 3 in the direction opposite to the direction shown in FIG. In this case, the unwinder 3 drives the roll 5 when unwinding from the roll 5 in the direction opposite to the arrow R1 in FIG. In this way, the roll 5 placed in the unwinder 3 in the direction opposite to that shown in FIG. 3 is unraveled with the raised surface facing downward, cut, and supported by the support surface Ac of the belt conveyor 21. A fabric piece 51 is formed on the substrate. Thereafter, the direction of the roll 5 on the unraveling machine 3 is changed to the opposite direction, and the roll 5 is rotationally driven in the direction of the arrow R1 similar to FIG. At the same time, the belt conveyor 21 is driven in the direction of the arrow F, and the fabric 52 is stretched over the fabric piece 51.

  On the other hand, when laminating the raised surface of the fabric piece 51 upward and the raised surface of the fabric 52 downward as shown in FIG. 6C, the roll 5 for unwinding the fabric when forming the fabric piece 51 is used. 3 is placed on the unraveling machine 3 in the same direction as in FIG. 3, and is rotated in the direction of the arrow R1 to be unraveled. After extending the fabric on the belt conveyor 21, the fabric is cut by the separation cutter 28 to form the fabric piece 51. Thereafter, the direction of the roll 5 on the unwinder 3 is changed to the opposite direction, and the roll 5 is rotated in the direction opposite to the arrow R1 in FIG. At the same time, the belt conveyor 21 is driven in the direction of arrow F. Thereby, the fabric 52 with the raised surface facing downward can be stretched over the fabric piece 51 with the raised surface extended upward.

  As shown in FIGS. 6B and 6C, the fabric pieces 51 and 52 are laminated so that the front and back surfaces thereof face each other in the same direction, and the laminate is cut into the same cutting pattern, thereby forming a symmetrical shape. The pattern piece can be produced.

  As described above, according to the cutting apparatus 1 of the present embodiment, the fabric unraveled by the unraveling machine 3 is directly laminated on the support surface Ac of the belt conveyor 21 that is the cutting area. Therefore, the cloth can be laminated on the support surface Ac in a shorter time than the conventional method of laminating the cloth with the traveling carriage on the spreading table and transferring the laminated cloth to the cutting table with the traveling carriage, as in the prior art. it can. Therefore, according to the present invention, it is possible to perform the process from extending the fabric to cutting in a relatively short time.

  Moreover, since the cutting apparatus 1 of this embodiment does not require a spread table, a traveling carriage, and a compressor apparatus as in the conventional cutting apparatus, the apparatus configuration can be simplified, and therefore the apparatus cost can be reduced. .

  Moreover, since the cutting apparatus 1 of this embodiment does not require a spread table like the conventional cutting apparatus, it can be installed in a narrower place than before.

  In the said embodiment, although the laminated body of the fabric piece 51 and the fabric 52 was formed and cut on support surface Ac, the number of the fabric pieces 51 which comprise a laminated body may be 2 or more. That is, the unwinding operation by the unwinder 3, the extending operation by the belt conveyor 21, and the cutting operation by the separation cutter 28 are repeated a plurality of times to stack a plurality of fabric pieces 51, and then the unwinder 3 Cutting can be performed in a state where 52 is unwound to the uppermost layer. Thereby, the number of pattern pieces according to the number of stacked layers can be created simultaneously. When a plurality of fabric pieces 51 are stacked, only the plurality of fabric pieces 51 may be cut without unwinding the fabric 52 as the uppermost layer.

  Moreover, in the said embodiment, while arrange | positioning 1st accommodating part S1 at the one end side of the belt conveyor 21, and arrange | positioning 2nd accommodating part S2 in the other end side of the belt conveyor 21, the 1st accommodating side of the belt conveyor 21 is 1st side. Only one accommodating part S1 may be arranged.

  In the above embodiment, the present invention is applied to a case where a pattern piece for clothing is produced by cutting a fabric as a sheet material. For example, when a curtain is produced by cutting a fabric, or a resinous The present invention can also be applied to a case where a cutting sheet is cut to create a sticker, or a case where a carbon fiber sheet is cut to create a plastic part reinforcement. That is, the present invention can be applied to various sheet-like materials such as leather and resin films other than cloth.

DESCRIPTION OF SYMBOLS 1 Cutting apparatus 2 Cutting table 3 Unseal machine 4 Control apparatus 21 Belt conveyor 22 Cutting unit 51 Fabric piece 52 Fabric Ac Support surface

Claims (6)

An unwinding part for unwinding and unwinding the sheet material from the roll of sheet material,
The sheet material unwound from the unwinding part extends and extends from one end of the surface to the other end, and the surface is a belt conveyor that is a cutting region for cutting the extended sheet material,
A separation cutter for cutting the sheet material unwound at the unwinding part and separating it from the roll;
An accommodating portion that is disposed adjacent to at least one end of the belt conveyor, and that accommodates a portion of the sheet material that is placed on the surface of the belt conveyor that is detached from the belt conveyor;
A cutting apparatus comprising: a cutter head having a pattern cutter that moves a surface of the cutting region in a plane direction and cuts a sheet material along a cutting pattern. The cutting apparatus according to claim 1,
The cutter according to claim 1, wherein the pattern cutter of the cutter head also serves as the separation cutter. The cutting apparatus according to claim 1,
A cutting apparatus comprising a second accommodating portion provided adjacent to the other end of the belt conveyor. A belt conveyor, disposed on one end side of the belt conveyor, an unwinding portion for unwinding the sheet material from a roll, and an accommodating portion disposed adjacent to at least one end side of the belt conveyor. A cutting method using a cutting device,
An unwinding step of unwinding the sheet material at the unwinding portion and extending the unrolled sheet material in a direction from one end to the other end by the belt conveyor to extend the sheet material on the surface of the belt conveyor;
A separation step of cutting the sheet material, separating the portion of the sheet material that has been stretched by the belt conveyor from the roll, and forming a sheet piece;
The sheet piece is fed in the direction from the other end to the one end by the belt conveyor, the other end side portion of the sheet piece is positioned at one end side portion of the surface of the belt conveyor, and the one end side portion of the sheet piece is placed in the accommodating portion. An accommodating process for accommodating in,
The sheet material is unwound from the roll at the unwinding portion, and the leading end portion of the sheet material is placed on the other end portion of the sheet piece located at one end portion of the surface of the belt conveyor for alignment. An alignment process;
While unwinding the sheet material from the roll at the unwinding part, and sending the unwound sheet material from one end side to the other end side with the belt conveyor, the sheet material is laminated on the sheet piece. A stacking and extending process for extending,
A cutting method comprising: a cutting step of simultaneously cutting a sheet piece and a sheet material laminated and stretched on the surface of the belt conveyor. In the cutting method according to claim 4,
After the stacking and extending step, the separation step, the containing step, the positioning step, and the stacking and extending step are repeated a plurality of times to stack a plurality of sheet pieces, and the stacked plurality of sheets A cutting method comprising cutting a sheet piece and a sheet material simultaneously in the cutting step. In the cutting method according to claim 4,
The sheet material arranged on the other end portion of the sheet piece in the alignment step and laminated and extended on the sheet piece in the lamination extending step is in contact with the surface on the same side as the sheet piece. A cutting method characterized by

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