KR20130082402A - Sewing apparatus and sewing method - Google Patents

Abstract

PURPOSE: A sewing device is provided to have an effect that an automatic sewing process toward four sides of a fabric is possible. CONSTITUTION: A sewing device (400) comprises: a stage; a feeding unit which supplies a fabric on stage by installing in one end of the stage; a cutting unit (350) which is arranged in one side of the stage and cuts the fabric into a direction which intersects a direction of supplying the fabric; a conveying unit which is arranged in the upper side of the stage and transfers the fabric to the other side of stage; and a sewing unit which is arranged in the other side of the stage and sews the end of the fabric.

Description

[0001] SEWING APPARATUS AND SEWING METHOD [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a sewing apparatus and a sewing method, and more particularly, to a sewing apparatus and a sewing method for performing sewing on four sides of a fabric.

Generally, in a production line in which a product such as a cloth, a paper or the like is used as a fabric and a product such as a mop, a cloth, a towel, a bag, etc. is produced, a roll type fabric is used for mass production of the product, The fabric which is released from the roll is cut to produce the product. At this time, in order to finish the end of the fabric, an overlock is sewed to the side of the fabric unwound from the fabric roll.

A sewing apparatus for performing a sewing process on the end portion of such a fabric has already been disclosed in Korean Patent Laid-Open Publication No. 2010-0106094, "Sewing Apparatus for Edge Finishing of a Net Conveyor Belt".

The above-mentioned patent discloses a method for finishing both side edges of a net-type conveyor belt, comprising the steps of: providing a belt fabric feeding means for feeding a belt fabric, a conveying means for conveying a belt fabric, a belt fabric feeding means for feeding a belt fabric, An edge fabric guide for guiding the edge of the fabric, and a sewing machine for sewing the edge fabric around the edge of the belt fabric. In this patent, the belt fabric is supplied from a belt fabric provided in the form of a roll, and both ends of the belt are sewn on both side edges of the belt by the sewing machine while the belt fabric passes through the sewing machine.

As described above, the patent is easy to be used for finishing both sides of the belt fabric, that is, the left and right ends of the belt fabric but it is not possible to sew the front and rear ends of the fabric in the manufacture of products having four sides And the use range thereof is limited.

Republic of Korea Open Patent 2010-0106094 (Published on October 10, 2010)

An object of the present invention is to provide a sewing apparatus and a sewing method capable of automatic sewing treatment on four sides of a fabric.

The sewing apparatus according to the present invention comprises a stage, a supply unit installed at one end of the stage and supplying a raw material onto the stage, a cutting unit disposed at one side of the stage, cutting the raw material in a direction crossing a direction in which the raw material is fed And a sewing unit disposed on the other side of the stage for sewing the end portion of the raw fabric.

The stage may be arranged in a direction crossing the direction in which the fabric is fed.

The conveying unit includes a first presser plate disposed on one side of the stage, a first support plate disposed on the upper side of the first presser plate, a first plate elevator supported by the first support plate to elevate the first support plate, A first support plate supporting the support plate and rotating the first support plate by 90 degrees, and a first plate supporting the rotator and transferring the rotator.

The stage is arranged in the direction in which the fabric is fed, and the conveying unit can be rotated 90 degrees while the fabric is being conveyed to the other side of the stage.

The conveying unit includes a first presser plate disposed on one side of the stage, a first support plate disposed on the upper side of the first presser plate, a first plate elevator supported by the first support plate to elevate the first support plate, A first support plate supporting the support plate and rotating the first support plate by 90 degrees, and a first plate supporting the rotator and transferring the rotator.

A sewing section in which sewing is performed on the fabric conveyed from the conveying section to the other side of the stage, a sewing section in which the sewing is performed on the fabric conveyed from the conveying section to the other side of the stage, And the first pressing plate can transfer the fabric from the cutting section to the conveying section.

The conveying unit includes a second presser plate disposed on the other side of the first presser plate, a second support plate disposed on the upper side of the second presser plate, a second plate elevator supported by the second support plate to lift the second presser plate, The second plate elevator supports the second support plate and transfers the second plate elevator from the transfer section to the sewing section.

The stage may include a sliding plate extending from the cutting section to the sewing section, and the sliding plate may be made of a material having a friction coefficient lower than that of the first pressing plate and the second pressing plate.

The sliding plate may be made of a conductive material and grounded so as to prevent static electricity due to friction with the fabric.

The supply unit includes a drive pulley disposed at one end of the stage and rotated, a driven pulley spaced apart from the drive pulley, and a driving unit connected to the drive pulley and the driven pulley, And may include a supply belt.

The sewing apparatus may further include an opening / closing unit for moving the supply unit up and down to open / close the space between the supply belt and the stage.

The opening / closing unit may include a rotating shaft of the driving pulley, a bracket for supporting a rotating shaft of the driven pulley, and an open / close elevator for supporting the bracket and raising / lowering the bracket with respect to the stage.

And a supply guide installed at one end of the stage for guiding the raw material supplied onto the stage.

The supply guide may be formed with a curved surface that prevents the raw material supplied onto the stage from interfering with the edge of the stage.

The supply guide may be formed with a separation preventing tab for preventing the left end and the right end of the raw material supplied on the stage from being separated.

Wherein the cutting unit includes a cutting wheel disposed between the feed unit and the feed unit, a wheel elevator supporting the cutting wheel and raising and lowering the cutting wheel, a wheel elevator supporting the wheel elevator, And the wheel can be moved to the opposite direction.

Wherein the cutting unit includes a grip bar disposed between the feed unit and the transfer unit, a lift bar that supports the grip bar and lifts the grip bar with respect to the stage, a conveying unit that supports the bar elevator, As shown in FIG.

Meanwhile, the sewing method according to the present invention includes a feeding step of feeding a raw material to one side of a stage, a cutting step of cutting the raw material in a direction crossing the feeding direction of the raw material, a feeding step of feeding the raw material to the other side of the stage, And a sewing step in which the end of the fabric is sewn by a sewing unit disposed on the other side of the stage.

The stage may be disposed in a direction crossing the direction in which the fabric is fed, and in the conveying step, the fabric may be conveyed in a direction crossing the direction in which the fabric is fed.

The stage is disposed in a direction in which the fabric is fed, and in the conveying step, the fabric may be rotated 90 degrees while being transported to the other side of the stage.

A sewing section in which sewing is performed on the fabric conveyed from the conveying section to the other side of the stage, a sewing section in which the sewing is performed on the fabric conveyed from the conveying section to the other side of the stage, Can be formed.

A sliding plate made of a conductive material is provided on the upper surface of the stage and the sliding plate may be grounded to prevent static electricity due to friction between the sliding plate and the fabric.

The sewing apparatus and the sewing method according to the present invention can improve the productivity because the automatic sewing process can be performed on the four sides of the fabric.

1 is a side view showing a sewing apparatus according to the present embodiment.
2 is a perspective view showing a part of the sewing apparatus according to the present embodiment.
3 is a side view showing the first stage, the first supply unit, the first opening and closing unit, and the first supply guide according to the present embodiment.
4 is a perspective view showing a part of the second sewing part of the sewing machine according to the present embodiment.
5 is a side view showing the second stage, the second supply unit, the second opening and closing unit, and the second supply guide according to the present embodiment.
6 is a perspective view showing a cutting unit of the sewing apparatus according to the present embodiment.
7 is a perspective view showing a bottom surface of the second stage of the sewing apparatus according to the present embodiment.
8 is a perspective view showing a first transfer unit and a second transfer unit of the sewing apparatus according to the present embodiment.
9 is a side view showing a first transfer unit and a second transfer unit of the sewing apparatus according to the present embodiment.
10 is a flowchart showing a sewing method according to the present embodiment.
11 is an operation diagram briefly showing the operation of the sewing apparatus according to the present embodiment.
12 is a plan view schematically showing a sewing apparatus according to another embodiment.
13 is a plan view schematically showing a sewing apparatus according to still another embodiment.

Hereinafter, a sewing apparatus according to the present embodiment will be described with reference to the accompanying drawings.

FIG. 1 is a side view showing a sewing apparatus according to the present embodiment, and FIG. 2 is a perspective view showing a part of a sewing apparatus according to the present embodiment.

Referring to FIGS. 1 and 2, a sewing apparatus 400 according to the present embodiment includes a cloth supporting portion 100, a first sewing portion 200, and a second sewing portion 300. The fabric supporting portion 100, the first sewing portion 200, and the second sewing portion 300 are sequentially disposed to process the fabric 10 in an inline manner. That is, the first sewing part 200 is disposed in front of the original supporting part 100, and the second sewing part 300 is disposed in front of the first sewing part 200. The fabric 10 is supplied from the fabric support portion 100 to the first sewing portion 200 and is supplied from the first sewing portion 200 to the second sewing portion 300.

The fabric support 100 supports a fabric 10 provided in the form of a roll. Although not shown, the fabric support 100 includes a rotary shaft that is inserted into the hollow of the fabric roll to support the fabric roll, and a rotary motor, pulleys, belts, and the like that smoothly unwind the fabric 10 fed by rotating the rotary shaft May be provided.

The first sewing part 200 performs a sewing process such as overlock on the left end 11 and the right end 12 of the fabric 10. The first sewing part 200 includes a first stage 210, a first feeding unit 220, a first opening and closing unit 230, a first feeding guide 240 and a pair of first sewing units 250 do.

3 is a side view showing the first stage, the first supply unit, the first opening and closing unit, and the first supply guide according to the present embodiment.

Referring to FIG. 3, the first supply unit 220 includes a first drive pulley 221, a first driven pulley 222, a first supply belt 223, and a first feed motor 224. The first drive pulley 221 is disposed above the first stage 210. The first driven pulley 222 is disposed on the top of the first stage 210 and is spaced from the first drive pulley 221. The first supply belt 223 is connected to the first drive pulley 221 and the first driven pulley 222. The first feed motor 224 rotates the first drive pulley 221 to rotate the first feed belt 223. As the first supply motor 224 rotates the first drive pulley 221, the first supply belt 223 is rotated toward the front of the first stage 210. The fabric 10 positioned on the first stage 210 can contact the first supply belt 223 and pass through the first stage 210. [ At this time, since the raw fabric 10 is in surface contact with the first supply belt 223, warping, deflection, and the like can be prevented and can be transported in a flat state.

The first opening and closing unit 230 includes a first bracket 231, a first opening and closing elevator 232, and a first opening and closing guide 233. The first bracket 231 is disposed on the upper side of the first stage 210 to support the rotation shaft of the first drive pulley 221, the rotation shaft of the first driven pulley 222 and the first feed motor 224. The first opening and closing elevator 232 supports the first bracket 231 and lifts the first bracket 231 with respect to the first stage 210. As the first opening and closing elevator 232, an oil / air pressure elevating cylinder may be used. The first open / close guide 233 guides the first bracket 231 up and down.

The first supply guide 240 may be installed at one end of the first stage 210. The first supply guide 240 includes a first curved surface 241 that is gently bent at an upper portion thereof and a first deviation preventing jaw 242 that protrudes from both ends of the first curved surface 241. The first curved surface 241 prevents the raw material 10 fed onto the first stage 210 from interfering with the edge of the first stage 210 to break the raw material 10. The first departure prevention tuck 242 guides the left end 11 and the right end 12 of the fabric 10 to prevent the fabric 10 from being separated from the supply path.

Referring again to FIGS. 1 and 2, a pair of first sewing units 250 are installed on the left and right sides of the first stage 210, respectively. A pair of first sewing units 250 may use a sewing machine for performing a sewing process such as overlock on the left end 11 and the right end 12 of the raw fabric 10. Since the pair of first sewing units 250 are already well known in the art, detailed description is omitted.

The fabric 10 overlaid on the left end 11 and the right end 12 by the first sewing part 200 is supplied to the second sewing part 300. [

5 is a side view showing a second stage, a second supply unit, a second opening and closing unit, and a second supply guide according to the present embodiment. Fig. 4 is a perspective view showing a part of the second sewing part of the sewing machine according to the present embodiment, to be.

4 and 5, the second sewing part 300 includes a second stage 310, a second feeding unit 320, a second opening and closing unit 330, a second feeding guide 340, A first transfer unit 360, a second transfer unit 370, and a pair of second sewing units 380 (see Fig. 2).

The second feed unit 320 includes a second drive pulley 321, a second driven pulley 322, a second feed belt 323, and a second feed motor 324. The second drive pulley 321 is disposed on the upper portion of the second stage 310. The second driven pulley 322 is disposed on the upper portion of the second stage 310 and is separated from the second drive pulley 321. The second supply belt 323 is connected to the second drive pulley 321 and the second driven pulley 322. The second supply motor 324 rotates the second drive pulley 321 to rotate the second supply belt 323. As the second supply motor 324 rotates the second drive pulley 321, the second supply belt 323 is rotated toward the front of the second stage 310. The fabric 10 positioned on the second stage 310 can be supplied to the second stage 310 by contacting the second supply belt 323. At this time, the fabric 10 is in surface contact with the second supply belt 323, so that warpage, deflection, and the like can be prevented and transported in a flat state.

The second open / close unit 330 includes a second bracket 331, a second open / close elevator 332, and a second open / close guide 333. The second bracket 331 is disposed on the upper side of the second stage 310 to support the rotation shaft of the second drive pulley 321, the rotation shaft of the second driven pulley 322 and the second feed motor 324. The second opening and closing elevator 332 supports the second bracket 331 and lifts the second bracket 331 with respect to the second stage 310. As the second opening and closing elevator 332, an oil / air pressure elevating cylinder can be used. The second open / close guide 333 guides the lifting and lowering of the second bracket 331.

The second supply guide 340 may be installed at one end of the second stage 310. The second supply guide 340 includes a second curved surface 341 which is gently curved at an upper portion thereof and a second departure preventing edge 342 which protrudes from both ends of the second curved surface 341. The second curved surface 341 prevents the raw material 10 fed onto the second stage 310 from interfering with the edge of the second stage 310 to break the raw material 10. The second separation preventing jaw 342 guides the left end 11 and the right end 12 of the fabric 10 to prevent the fabric 10 from being separated from the supply path.

On the other hand, on the second stage 310, a cutting section D1, a transfer section D2, and a sewing section D3 may be formed. The cutting section D1 is a section in which the fabric 10 remains while the fabric 10 supplied onto the second stage 310 is cut. The transfer section D2 is a space in which the fabric 10 remains in order to transfer the raw material 10 of the cutting section D1 to the second transfer unit 370 by the first transfer unit 360. [ In the sewing section D3, the fabric 10 is conveyed to the pair of second sewing units 380 by the second conveying unit 370 and the front end of the fabric 10 is conveyed by the pair of second sewing units 380 13 and the rear end 14 are subjected to sewing treatment such as overlock.

Fig. 6 is a perspective view showing a cutting unit of the sewing machine according to the present embodiment, and Fig. 7 is a perspective view showing a bottom surface of the second stage of the sewing machine according to the present embodiment.

Referring to Figs. 6 and 7, the cutting unit 350 is disposed in the cutting section D1. The cutting unit 350 includes a grip bar 351, a bar elevator 352 and a baler 353, a cutting wheel 354, a wheel elevator 355 and a wheel conveyor 356.

The grip bar 351 is disposed on the upper side of the second stage 310. The bar elevator 352 is disposed below the second stage 310 to raise and lower the grip bar 351 with respect to the second stage 310. As the bar elevator 352, an oil / air pressure elevating cylinder may be used. The transceiver 353 is disposed below the second stage 310. The transporter 353 supports the bar elevator 352 and feeds the bar elevator 352 as long as the tail 10 is cut. Linear actuators using oil / air cylinders, linear actuators using linear motors and linear motor guides, linear actuators using rotary motors and rack-and-pinions, and linear actuators using electromagnets and solenoids can be used as the transmitter / receiver 353 .

The cutting wheel 354 is disposed on the upper side of the second stage 310. The wheel elevator 355 supports the cutting wheel 354 and lifts the cutting wheel 354. As the wheel elevator 355, a hydraulic / pneumatic elevating cylinder may be used. The wheel conveyor 356 supports the wheel elevator 355 and linearly moves the wheel elevator 355 to the left and right of the second stage 310. The wheel conveyor 356 may be a linear actuator using an oil / pneumatic cylinder, a linear actuator using a linear motor and a linear motor guide, a linear actuator using a rotary motor and a rack and pinion, or a linear actuator using an electromagnet and a solenoid. have.

In this cutting unit 350, when the bar elevator 352 presses the front end of the fabric 10 by the bar bar 351 by the bar elevator 352, the bar elevator 352 is moved by the conveyor 353 to the second stage 310 As shown in Fig. Accordingly, the position of the fabric 10 to be cut can be aligned on the lower side of the cutting wheel 354. The wheel elevator 355 moves down the cutting wheel 354 and the wheel conveyor 356 moves the cutting wheel 354 to the left side of the cutting wheel 354. [ , And the cloth 10 is cut. As the fabric 10 is cut, the rear end 14 is formed on the fabric 10.

FIG. 8 is a perspective view showing a first transfer unit and a second transfer unit of the sewing apparatus according to the present embodiment, and FIG. 9 is a side view showing a first transfer unit and a second transfer unit of the sewing apparatus according to the present embodiment.

8 and 9, the first conveying unit 360 includes a first presser plate 361, a first support plate 362, a first plate elevator 363, a rotator 364, a first plate conveyor 365 ).

The first pressure plate 361 is disposed on one side of the second stage 310. A first support plate 362 may be disposed above the first pressure plate 361. The first plate elevator 363 is supported on the first support plate 362. The first plate elevator 363 lifts the first pressure plate 361 with respect to the second stage 310. As the first plate elevator 363, an oil / pneumatic elevating cylinder in which the cylinder rod passes through the first support plate 362 and supports the first pressure plate 361 can be used. At least one first elevating guide 363a for guiding the elevation of the first presser plate 361 may be installed around the first elevator 363.

The rotator 364 supports the first support plate 362 and rotates the first support plate 362 by 90 degrees. The rotator 364 may use a rotary motor for rotating the first support plate 362, or a pneumatic / pneumatic rotary cylinder. The first plate feeder 365 supports the rotator 364 and feeds the rotator 364 to the transfer section D2. As the first plate feeder 365, a linear actuator using an oil / pneumatic cylinder, a linear actuator using a linear motor and a linear motor guide, a linear actuator using a rotary motor and a rack and pinion, and a linear actuator using an electromagnet and a solenoid .

The first conveying unit 360 presses the fabric 10 whose first presser plate 361 is lifted and lowered by the cutting unit 350. The rotator 364 rotates the first pressure plate 361 by 90 degrees so that the front end 13 and the rear end 14 of the raw fabric 10 are directed to the left and rear sides of the second stage 310. [ The first plate transfer unit 365 transfers the rotator 364 to the transfer section D2 to transfer the raw material 10 to the transfer section D2. When the raw fabric 10 is transferred to the transfer section D2 as described above, the first platen 361 can return to the cutting section D1 by the feeder 365. [

The second conveying unit 370 includes a second presser plate 371, a second support plate 372, a second plate elevator 373 and a second plate conveyer 374.

The second pressure plate 371 is disposed on the other side of the second stage 310. A second support plate 372 may be disposed above the second pressure plate 371. The second plate elevator 373 is supported on the second support plate 372. The second plate elevator 373 lifts the second pressure plate 371 with respect to the second stage 310. The second plate elevator 373 may be an oil / pneumatic elevating cylinder in which the cylinder rod passes through the second support plate 372 to support the second pressure plate 371. At least one second lifting guide 373a for guiding the lifting and lowering of the second pressing plate 371 may be installed around the second lifting unit 373.

The second plate transfer unit 374 supports the second support plate 372 and transfers the second plate elevator 373 to the sewing section D3. As the second plate feeder 374, a linear actuator using an oil / pneumatic cylinder, a linear actuator using a linear motor and a linear motor guide, a linear actuator using a rotary motor and a rack and pinion, and a linear actuator using an electromagnet and a solenoid .

The second conveying unit 370 presses the fabric 10 on which the second presser plate 371 is lifted and held in the conveying section D2. The second plate transfer unit 374 transfers the second platen 371 to the sewing section D3 and the fabric 10 is transferred to the pair of second sewing units 380. [

The pair of second sewing units 380 are disposed at the other end of the second stage 310. A pair of second sewing units 380 are installed on the left and right sides of the second stage 310, respectively. A pair of second sewing units 380 can use a sewing machine for performing a sewing process such as overlock on the front end 13 and the rear end 14 of the fabric 10. Since the pair of second sewing units 380 are already well known in the art, detailed description is omitted.

The fabric 10 is rotated on the second stage 310 and transferred to the front end 13 and the rear end 14 sequentially while being transferred to the cutting section D1, the transfer section D2 and the sewing section D3, . Therefore, the slide plate 311 is provided on the upper surface of the second stage 310 so that the fabric 10 can be smoothly rotated and transported. The sliding plate 311 is made of a material having a lower coefficient of friction than the first and second pressing plates 361 and 371 so that the rotation of the cloth 10 can be smoothly performed. The sliding plate 311 may be made of a conductive material and may be grounded to prevent static electricity from being generated due to friction with the fabric 10.

Hereinafter, a sewing method according to the present embodiment will be described with reference to the accompanying drawings.

Fig. 10 is a flowchart showing the sewing method according to the present embodiment, and Fig. 11 is an operation diagram briefly showing an operation of the sewing apparatus according to the present embodiment.

10 and 11, the front end 13 of the raw fabric 10, which is first pulled out from the raw roll, can be fed by the operator between the first stage 21 and the first feeding unit 220. [ The first feeding unit 220 feeds the fabric 10 onto the first stage 210. The fabric 10 is supplied to a pair of first sewing units 250. The left end 11 and the right end 12 of the fabric 10 can be separated from the first sewing part 200 while overlocking the first sewing unit 250 by the pair of first sewing units 250.

The front end 10 of the fabric 10 overlaid on the left end 11 and the right end 12 can be supplied by the operator between the second stage 310 and the second supply unit 320. [ (Step S11)

The fabric 10 is supplied onto the second stage 310 by the second supply unit 320. [ At this time, the front end of the fabric 10 is positioned below the grip bar 351. The grip bar 351 is lowered by the bar elevator 352. The transporter 353 feeds the bar elevator 352. As the bar elevator 352 is fed, the position at which the fabric 10 should be cut is aligned on the lower side of the cutting wheel 354.

The wheel lifter 355 then lowers the cutting wheel 354. And the wheel conveyor 356 transfers the wheel elevator 355 to the left and right sides. As the wheel hoist 355 is fed to the left and right, the cutting edge is cut by the cutting wheel 354 and the rear end 14 is formed in the cloth 10. (Step S13)

Then, the bar elevator 352 raises the grip bar 351. The transporter 353 moves the bar elevator 352 backward. When the grip bar 351 is detached from the cloth 10 as described above, the first plate elevator 363 descends the first presser plate 361 and the cloth 10 is moved to the first presser plate 361 .

Next, the first transfer unit 360 separates the fabric 10 from the cutting section D1, and the rotator 364 rotates the first pressure plate 361 by 90 degrees. The front end 13 and the rear end 14 of the fabric 10 face the left and right chambers of the second stage 310 as the first pressure plate 361 is rotated 90 degrees. The first plate transfer unit 365 transfers the first pressure plate 361 to the transfer section D2. Thus, when the raw fabric 10 reaches the transfer section D2, the first plate elevator 363 raises the first pressure plate 361. [ The first plate feeder 365 returns the first plate elevator 363 to the cutting section D1. (Step S15)

Then, the second transfer unit 370 transfers the second presser plate 371 to the cutting section D1. The second presser plate 371 is lowered by the second plate elevator 373 and the second presser plate 371 presses the fabric 10 of the cutter section D1. And the second plate transfer unit 374 transfers the second pressure plate 371 to the sewing section D3.

Then, the fabric 10 passes through a pair of second sewing units 380. [ As the fabric 10 passes through the pair of second sewing units 380, the front end 13 and the rear end 14 of the fabric 10 are subjected to sewing treatment such as overlock, (380). (Step S17)

As described above, the sewing apparatus 400 according to the present embodiment can automatically perform automatic sewing such as overlock on the left end 11, the right end 12, the front end 13, and the rear end 14 of the fabric 10, Productivity can be improved.

The transfer section D2 is formed between the cutting section D1 and the sewing section D3 on the second stage 310 and the fabric 10 is cut by the first transfer unit 360 Is conveyed from the section D1 to the transfer section D2 and waits in the transfer section D2 and is transferred from the transfer section D2 to the sewing section D3 by the second transfer unit 370. [ The sewing apparatus 400 may be configured such that the configuration of the transfer section D2 and the second transfer unit 370 is omitted and the original 10 is transferred from the cut section D1 by the first transfer unit 360 And is directly transferred to the sewing section D3, so that the entire structure can be easily modified.

In the above description, the second stage 310 is described as extending in a straight line shape in a direction in which the cloth 10 is fed from the cutting section D1 to the sewing section D3. In another embodiment, the second stage 310 may be disposed in a direction that intersects the direction in which the fabric 10 is fed. 12, a pair of second sewing units 380 may be disposed on one side of the cutting section D1. As shown in FIG. 13, a pair of sewing units 380 may be disposed at one side of the cutting section D1, (D1), respectively. In this way, when the second stage 310 is disposed in a direction crossing the direction in which the raw cloth 10 is fed, the configuration of the rotator 364 described above can be omitted, It may be modified so as to support the single-plate elevator 363 and to convey the first-plate elevator 363.

The first sewing part 200 and the second sewing part 300 are provided separately and the first sewing part 200 is provided with the left end 11 and the right end 12 of the fabric 10, It is described that after the sewing process such as overlock, the second sewing part 300 performs a sewing process such as an overlock to the front end 13 and the rear end 14 of the fabric 10. A pair of first sewing units 250 may be disposed between the second driving pulley 321 and the second driven pulley 322 of the second feeding unit 320 to be moved on the second stage 310, So that four sides of the fabric 10 are automatically sewn.

100: fabric support part 200: first sewing part
210: first stage 220: first supply unit
230: first opening / closing unit 240: first supply guide
250: first sewing unit 300: second sewing part
310: second stage 320: second supply unit
330: second open / close unit 340: second supply guide
350: Cutting unit 360: First conveying unit
370: second transfer unit 380: second sewing unit
400: sewing apparatus

Claims (22)

stage,
A supply unit installed at one end of the stage to supply the raw material onto the stage,
A cutting unit disposed at one side of the stage and cutting the fabric in a direction crossing the feeding direction of the fabric,
A transfer unit which is disposed above the stage and transfers the raw material to the other side of the stage,
And a sewing unit disposed on the other side of the stage for sewing an end of the fabric. The sewing apparatus according to claim 1, wherein the stage is disposed in a direction crossing the direction in which the fabric is fed. 3. The apparatus of claim 2, wherein the transfer unit
A first pressure plate disposed on one side of the stage,
A first support plate disposed above the first pressure plate,
A first plate elevator supported by the first support plate to elevate the first support plate,
And a first plate supporting the first plate elevator and transferring the first plate elevator includes an air feeder. The sewing apparatus according to claim 1, wherein the stage is disposed in a direction in which the fabric is fed, and the conveying unit rotates the fabric at 90 degrees while the fabric is conveyed to the other side of the stage. 5. The apparatus of claim 4, wherein the transfer unit
A first pressure plate disposed on one side of the stage,
A first support plate disposed above the first pressure plate,
A first plate elevator supported by the first support plate to elevate the first support plate,
A rotator for supporting the first support plate and rotating the first support plate by 90 degrees,
And a first plate supporting the rotator and transferring the rotator includes an air feeder. 6. The method according to claim 3 or 5, wherein, on the stage
A cutting section in which the fabric supplied to the stage is cut,
A transfer section in which the fabric separated from the cutting section waits,
A sewing section in which sewing is performed on the fabric transferred from the transfer section to the other side of the stage is formed,
Wherein the first platen transfers the fabric from the cut section to the transfer section. The apparatus of claim 6, wherein the transfer unit
A second pressure plate disposed on the other side of the first pressure plate,
A second support plate disposed above the second pressure plate,
A second plate elevator supported by the second support plate to elevate the second platen,
And a second plate supporting the second support plate and transferring the second plate elevator from the transfer section to the sewing section. 8. The apparatus of claim 7, wherein the stage includes a slip plate extending from the cutting section to the sewing section,
Wherein the sliding plate is made of a material having a friction coefficient lower than that of the first pressure plate and the second pressure plate. The sewing machine according to claim 8, wherein the sliding plate is made of a conductive material and grounded so as to prevent static electricity due to friction with the fabric. The apparatus of claim 1, wherein the supply unit
A drive pulley disposed at one end of the stage and rotated,
A driven pulley spaced from the drive pulley,
And a supply belt connected to the drive pulley and the driven pulley and rotated in a surface contact with the fabric positioned on the stage. The method of claim 10,
Further comprising an opening / closing unit for moving the supply unit up and down to open / close between the supply belt and the stage. 12. The apparatus according to claim 11, wherein the opening /
A rotating shaft of the driving pulley, a bracket supporting a rotating shaft of the driven pulley,
And an opening / closing elevator for supporting the bracket and raising / lowering the bracket with respect to the stage. The sewing apparatus of claim 1, further comprising a supply guide installed at one end of the stage to guide the fabric to be supplied onto the stage. The method of claim 13, wherein the supply guide
Wherein a curved surface is formed to prevent the raw material supplied onto the stage from interfering with the edge of the stage. The method of claim 13, wherein the supply guide
And a separation preventing protrusion for preventing separation of the left end and the right end of the raw material supplied onto the stage. The cutting apparatus according to claim 1, wherein the cutting unit
A cutting wheel disposed between the supply unit and the transfer unit,
A wheel elevator supporting the cutting wheel and raising and lowering the cutting wheel,
And a wheel conveyor for supporting the wheel elevator and transferring the wheel elevator in a direction crossing the direction in which the wheel elevator is fed. 17. The cutting apparatus according to claim 16, wherein the cutting unit
A grip bar disposed between the supply unit and the transfer unit,
A lift bar supporting the grip bar and lifting the grip bar relative to the stage,
Further comprising a distributor supporting the bar elevator and transferring the bar elevator. Supply step that the fabric is supplied to one side of the stage,
A cutting step of cutting the fabric in a direction intersecting with a direction in which the fabric is fed,
A conveying step of conveying to the other side of the stage,
And a sewing step of sewing the end of the fabric with a sewing unit disposed on the other side of the stage. 19. The method of claim 18, wherein the stage is disposed in a direction crossing the direction in which the fabric is fed,
Wherein in the feeding step, the fabric is transferred in a direction crossing the direction in which the fabric is fed. 19. The method of claim 18, wherein the stage is disposed in a direction in which the fabric is fed,
Wherein in the conveying step the fabric is rotated 90 degrees while being conveyed to the other side of the stage. 19. The method of claim 18,
A cutting section in which the fabric supplied to the stage is cut,
A transfer section in which the fabric separated from the cutting section waits,
Wherein a sewing section in which sewing is performed on the fabric transferred from the transfer section to the other side of the stage is formed. 19. The method as claimed in claim 18, wherein a slide plate made of a conductive material is provided on an upper surface of the stage,
Wherein the sliding plate is grounded to prevent static electricity due to friction between the sliding plate and the fabric.

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