KR101219288B1 - Cutting device for material - Google Patents

Abstract

PURPOSE: An apparatus for automatic fabric cutting is provided to settle a fabric sheet on a predetermined site, to prevent defects during packaging and transferring, and to enhance working speed. CONSTITUTION: An apparatus(1) for fabric cutting comprises: a transfer unit(100), a cutting unit(200), a loading unit(300), a picking unit(400), and an aligning unit(500). The transfer unit unwinds and transfers a fabric(W) of a web state. The transfer unit comprises a unwinding roll part(110), a guide roll part(120), and a nip roll part(130). The loading unit comprises a loading plate, a loading frame, a driving motor(330), a rack gear part, and an elevating shaft.

Description

Fabric Cutting Device For Material

The present invention relates to an automatic fabric cutting device for cutting fabrics such as vinyls, papers, films, metal plates (including thin plates) and the like.

Raw materials such as metal sheets such as vinyls, papers, films, and copper sheets are cut into sheets according to appropriate sizes and used in the next step.

For example, in the case of a copper foil film used in a fuel cell or the like, a web-shaped fabric is cut into a sheet shape at an appropriate size, and then packaged in a laminated state and transported for the next process.

Conventionally, the process of cutting the said fabric and seating it in a predetermined position, and the process of laminating | stacking the seat-like fabric seated were performed sequentially. This causes a problem that the work speed is slowed down.

In addition, the worker laminating | stacking after the said fabric cutting was performed manually. Accordingly, the cutting and laminating work of the fabric is lengthened, the cost is increased, and the fabric sheet is not aligned properly.

In particular, when the original sheet is packaged in a state that is not properly aligned, there is a problem in that wrinkles occur during packaging to discard the original sheet.

The present invention is to solve the various problems including these problems, automatic cutting of the fabric having a structure that can perform the process of cutting the fabric to be seated in a predetermined position and the process of laminating the seat-like fabric in the seat at the same time It is an object to provide a device.

Another object of the present invention is to provide an automatic fabric cutting device having a structure that can be loaded side by side while aligning the loaded fabric.

Therefore, the fabric cutting device according to the embodiment of the present invention includes a conveying part, a cutting part, a loading part, a grip part and an alignment part. The transfer unit transfers the fabric of the web state. The cutting unit cuts the fabric conveyed by the transfer unit. The stacking portion includes a stacking plate on which the original sheet cut by the cutting portion is stacked and can be elevated. The gripper advances and grips the fabric, retracts and transports the fabric sheet to the loading plate for seating. An alignment portion is disposed across the loading plate and interlocks with the holding portion to protrude above the loading plate and to align the fabric sheet.

In this case, the alignment unit, the guide bar is formed to hang across the upper surface of the loading plate, a guide housing disposed adjacent to the loading plate side to move up and down in conjunction with the loading plate, is accommodated to be elevated in the guide housing and the upper end is A guide rod coupled to the guide bar and the gripping portion coupled to each other may include a cam portion having a cam shape to raise and lower the guide rod in contact with the guide rod as the gripping portion retreats.

In addition, the stacking unit is coupled to the stacking frame disposed under the stacking plate, the drive motor, the stacking frame, and the rack gear unit to rotate in conjunction with the rotation of the drive motor, and to support the stacking plate The pinion, which is engaged with the rack gear unit and is elevated, may be formed on a side thereof, and may include an elevating shaft for elevating the loading plate.

On the other hand, the present invention, the counting sensor for counting the number of the sheet of the sheet stacked on the stacking portion, and the control unit for determining the lifting position of the stacking plate by receiving the number of the fabric sheet to be stacked from the counting sensor It may include.

In this case, the gripping part is coupled to the finger guider disposed in the front and rear in the loading plate side direction, and the front and rear transfer to the finger guider, the finger column formed across the width direction from the upper side of the loading plate And, coupled to the front of the finger column, it may include a finger formed to grip the fabric.

In this case, the finger is a lower finger portion coupled to the lower side fixedly coupled to the front of the finger column, and the upper finger is coupled to the upper side of the lower finger portion, the upper finger formed to be raised and lowered to engage the lower finger portion It may include wealth.

The transfer unit may include a plurality of unwinding roll units for unwinding the respective fabrics, a plurality of guide roll units for transferring each of the unwinding fabrics from the unwinding rolls, and the fabrics guided by the guide rolls. It may include a nip roll portion to be pressed in a laminated state.

According to the present invention, by placing the cut sheet of the cut sheet using the grip portion at a predetermined position, and the alignment portion aligns the sheet of the sheet to be seated, the work speed is increased, and packaging can be carried out in a precisely aligned state No defects such as wrinkles occur during the transfer.

Moreover, since the said operation can be performed automatically, the labor of a worker can be reduced.

1 is a schematic view showing a fabric cutting device according to a preferred embodiment of the present invention.
FIG. 2 is a rear view of the rear portion of FIG. 1. FIG.
3 is a schematic view schematically showing the rear portion of FIG. 1 from above.
4 is an enlarged schematic view of the gripping portion and the alignment portion in FIG. 1.
FIG. 5 is a schematic diagram illustrating an operating state of the grip part and the alignment part in FIG. 4.
6A to 6D are schematic views showing an operation example of the fabric cutting device of the present invention.

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

1 is a schematic view showing a fabric cutting device 1 according to a preferred embodiment of the present invention. As shown in Figure 1, the fabric cutting device 1 according to a preferred embodiment of the present invention, the transfer unit 100, the cutting unit 200, the stacking unit 300, the holding unit 400, alignment A portion 500 is included.

The transfer unit 100 releases and conveys the fabric W in the web state. In this case, the transfer part 100 may include an unwinding roll part 110, a guide roll part 120, and a nip roll part 130.

The unwinding roll unit 110 may include an unwinding roll 112 and a rotation motor (not shown) for rotating the unwinding roll 112. The paper tube 10 on which the web-shaped fabric W is wound is fixed to the unwinding roll 112, and the fabric tube 10 is rotated to convey the fabric W. FIG. The unwinding roll 112 may be formed in a singular or plural number as shown in FIG. 1.

The guide roll part 120 guides the unwound fabric W to the nip roll 130 from the unwinding roll 112. The guide roll part 120 may include a plurality of guide rolls 122. In this case, at least one of the guide rolls 122 may be a tension control roll 124 that is movable up and down. The tension control roll 124 may adjust the tension of the conveyed fabric while moving up and down. In addition, the tension control roll 124 may perform an accumulator function. That is, when the fabric (W) in the branch pipe is completely unloaded, the tension control roll 124 is neighboring so that the fabric (W) can continue to supply for a time to couple the new branch pipe to the unwinding roll 112 The guide rolls are moved closer and closer to each other, so that the fabric W can be supplied without interrupting the apparatus.

The nip roll 130 allows the fabric W to be conveyed by the guide roll 120 to be conveyed in the correct position. The nip roll 130 may include compression rolls 131 and 132 facing each other. The fabric W is guided between the pressing rolls 131 and 132 to be bitten, and placed in a position that can be gripped by a finger to be described later.

In this case, when the unwinding roll 112 is formed in plural as shown in the drawings, the unwinding rolls 112 may be transferred by the respective guide rolls 120 and then stacked and introduced into the nip rolls 130.

The cutting unit 200 cuts the fabric W transferred by the transfer unit 100.

The stacking unit 300 includes a stacking plate 310. The cut sheet 310 is loaded on the stacking plate 310 and is disposed to be elevated. The loading plate 310 has a loading area in which the original sheet Ws is loaded.

The gripper 400 advances and grips the fabric W, retreats, and transports the fabric sheet Ws cut by the fabric W to the loading plate 310 to be seated. That is, the gripper 400 grips the distal end portion of the fabric W fixed by the nip roll 130 and transfers it to the rear. In this state, the cutter 210 of the cutting unit 200 descends to cut the fabric W. Accordingly, the holding part 400 is to hold the original sheet (Ws). Afterwards, the gripper 400 seats the fabric sheet Ws in the loading area of the loading plate 310.

The alignment unit 500 is disposed across the loading plate 310, and the holding unit 400 interlocks to protrude above the loading plate 310 to align the fabric sheet Ws. The alignment unit 500 may include a guide bar 510. The guide bar 510 is disposed above the loading plate and aligns the original sheet loaded in the loading area and the original sheet Ws loaded while being raised and lowered. The guide bar 510 may be installed at the front end and the rear end of the loading area, respectively.

On the other hand, a packaging member may be seated first on the loading plate. Accordingly, the fabric sheet is seated on the top surface of the packaging member and loaded. As a result, when the original sheet is finished loading on the loading plate, it is possible to simply package the original sheet in which the packing member is aligned while maintaining the alignment state.

According to the present invention, the process of cutting the original fabric W in sheets and the process of stacking the original fabric sheets Ws cut in the sheet units are automatically performed. Accordingly, the cutting and loading process of the fabric W is performed quickly.

FIG. 2 is a front view of FIG. 1 and FIG. 3 is a plan view of FIG. As shown in FIGS. 2 and 3, the loading unit 300, together with the loading plate, includes a loading frame 320, a driving motor 330, a rack gear unit 350, and a lifting shaft 340. It may further include.

The lifting shaft 340 supports the loading plate 310, and a pinion 342 is formed on the side of the lifting shaft 340.

The stacking frame 320 is disposed below the stacking plate 310.

The drive motor 330 supplies a drive source for lifting and lowering the loading plate 310. The drive motor 330 may be fixed to the stacking frame 320.

Rack gear unit 350 is coupled to the loading frame 320, and rotates in conjunction with the rotation of the drive motor 330. In this case, the rack gear unit 350 is coupled to the loading frame 320, the through frame 352 is formed in the through hole so that the lifting shaft 340, and through the side of the through frame 352 It may include a rack shaft 354 formed to rotate while engaging the side of the lifting shaft 340.

In addition, the loading part 300 is a motor shaft 332 and the transmission member 346 of the drive motor 330, for example, in order to transmit the rotational force of the drive motor 330 to the rack shaft 354. It may further include a pulley 344 connected by a belt. In this case, the rack shaft 354 is fixedly coupled to the pulley 344 so that the rack shaft 354 is rotatable, and the pinion is lifted in conjunction with the pulley 344 so that the lifting shaft 340 is raised and lowered. You can do it.

In this case, the lifting shaft 340 may be formed of four to support the edge of the loading plate 310, in this case, the rack shaft 354 has a square shape to engage with each of the lifting shaft 340. It may be a shaft.

Meanwhile, returning back to FIG. 1, the loading plate 310 may be controlled to gradually lower as the original sheet Ws is loaded. That is, since the heights of the transfer part 100 and the cutting part 200 are fixed, when the fabric sheet Ws is loaded on the loading plate 310, the holding part 400 is not lowered when the loading plate 310 is not lowered. It becomes impossible to move.

Therefore, the present invention, the counting sensor for counting the number of the sheet of fabric (Ws) to be stacked on the stacking unit 300, and receiving the number of the sheet of fabric (Ws) to be stacked from the counting sensor, the loading plate The controller may further include a control unit for determining a lifting position of the 310.

The cutting unit 200 may include a cutting column 220, a cutter 210, and a driving device 230 for cutting.

The cutting column 220 is disposed to be capable of lifting up and down over the fabric W in a direction crossing the advancing direction of the fabric W. The cutter 210 is coupled to the lower side of the cutting column 220 to cut the fabric W located in the cutting area. Cutting drive 230 lifts the cutting column 220. The structure for elevating the cutting column 220 from the cutting driving device 230 may be variously applied, such as a gear, a pulley, a shaft, a belt, a chain, a cam method, and a hydraulic device.

FIG. 5 is an enlarged view of a grip part and an alignment part in FIG. 1. As shown in FIGS. 1 and 5, the gripper 400 includes a finger guider 410, a finger column 420, and a finger 430.

Finger guider 410 is disposed along the side of the loading plate 310 over the front and rear.

Finger column 420 is coupled to the finger guider 410 so as to be transported forward and backward, and is formed across the width direction from the upper side of the loading plate (310). In this case, the finger guider 410 may be an LM guide device, and may include an LM rail and an LM block, and the finger column 420 may be coupled to the LM block. In this case, the finger guide 410 may be an LM guide actuator coupled to the finger transfer motor 415.

Finger 430 is coupled to the front of the column for the finger 420, is formed to hold the fabric sheet (W). The finger 430 may include a lower finger portion 432, an upper finger portion 431, and a cylinder unit 436. The lower finger part 432 is fixedly coupled to the front of the finger column 420. The upper finger part 431 is coupled to the upper side of the lower finger part 432, and is formed to be lifted up and down so as to be engaged with the lower finger part 432. The cylinder unit 436 raises and lowers the upper finger portion 431.

Accordingly, the finger can grip and release the front end of the fabric (W). In addition, the finger column 420 may move backward along the finger guider 410 while the finger grips the distal end W to be loaded on the loading plate 310.

Meanwhile, the alignment unit 500 includes a guide bar 510, a guide housing 520, a guide rod 530, and a cam part 540. The guide bar 510 is formed across the upper surface of the loading plate 310 in the width direction. In this case, the guide bar 510 may be formed to span the upper surface of the loading plate 310.

The guide housing 520 is disposed adjacent to the side of the loading part 300 to move up and down in conjunction with the loading plate 310. The guide rod 530 is accommodated to be elevated in the guide housing 520 and the upper end is coupled to the guide bar 510. That is, as the guide rod 530 moves up and down, the guide bar 510 moves up and down.

The guide bar 530 is in a position where the guide bar 510 is over the top surface of the loading plate when no external force is applied. In addition, when the external force is operated from the lower side, it can be arranged to be able to move up and down in accordance with the external force.

The cam part 540 is coupled to the holding part 400. In addition, the cam portion 540 is in contact with the guide rod 530 as the holding portion 400 moves forward or backward. The cam portion 540 has a cam shape. The cam shape is a convex shape that is gradually convex upward as a mountain shape as shown in the figure, and has a shape that is concave downward more and more, so that the guide rod 530 can move up and down along the upper surface of the cam. it means.

In this case, the guide rod 530 may include a bearing portion 535 in contact with the upper surface of the cam portion 540. The bearing part 535 is rolled up by rolling the upper surface of the cam part 540 as the cam part 540 moves, and thus the guide rod 530 is lifted.

Accordingly, as shown in FIG. 5, when the holding part 400 passes through the alignment part 500 while moving forward and backward, the bearing part 535 is raised and lowered by the cam part 540. Accordingly, the guide rod 530 is raised and lowered, and as a result, the guide bar 510 is raised and lowered so that the original sheet Ws loaded on the loading plate 310 is aligned.

In this case, as described above, the alignment unit 500 is preferably disposed at the front and rear ends of the loading area in which the original sheet Ws of the loading plate 310 is loaded.

Hereinafter, an operation example of the fabric cutting device 1 will be described with reference to FIGS. 6A to 6D.

First, as shown in FIG. 6A, the web-shaped fabric W is fixed by the nip roll 130. In addition, the gripper 400 is advanced to move to the front end of the fabric (W). In this case, the cam portion 540 coupled to the gripping portion 400 is in contact with the guide rod 530 of the alignment portion 500, while the guide bar 510 coupled with the guide rod 530 is elevated The original sheet Ws seated on the existing alignment plate 310 is aligned.

Thereafter, as shown in FIG. 6B, the gripping part 400 is moved between the upper finger part 431 and the lower finger part 432 so as to be placed at the distal end of the distal end W, and then the upper finger part ( The 431 moves downward to engage the lower finger portion 432 to grip the distal end of the fabric W. As shown in FIG.

Thereafter, as shown in FIG. 6C, the finger 430 retreats by a predetermined distance while holding the fabric W, and then cuts the center portion of the fabric W by the cutting unit 200.

Thereafter, as shown in FIG. 5D, the gripped portion 400 moves to the rear end of the stacking plate 310 in a state in which the cut fabric sheet Ws is gripped by the finger 430, and thus the fabric sheet Ws is cut. ) Is mounted on the loading plate 310.

In this case, the packaging member is first disposed on the upper surface of the loading plate 310. Therefore, the original sheet Ws is stacked on the packaging member upper surface. Accordingly, the fabric sheet Ws may be packaged without being twisted at the time of packaging.

Even in this case, the cam portion 540 coupled with the grip portion 400 is in contact with the guide rod 530 of the alignment portion 500, and the guide rod 530 as the grip portion 400 retreats. The guide bar 510 coupled with the lifter aligns the fabric sheet Ws seated or seated on the alignment plate.

Thereafter, although not shown, the packaging member may be supplied to the next step by wrapping the finished sheet of fabric.

Although the present invention has been described with reference to the embodiments illustrated in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible. Therefore, the true scope of protection of the present invention should be defined only by the appended claims.

1: fabric cutting device 100: transfer part
110: unwinding roll portion 120: guide roll portion
130: nip roll portion 200: cutting portion
300: loading section 310: loading plate
320: loading frame 330: drive motor
340: lifting shaft 350: rack gear portion
400: gripper 410: finger guider
420: finger column 430: finger
500: alignment unit 510: guide bar
520: guide housing 530: guide rod
540: cam portion W: fabric
Ws: Fabric Sheet

Claims (7)

Transfer unit for transferring the fabric of the web state;
Cutting unit for cutting the fabric conveyed by the transfer unit;
A loading part including a loading plate which is loaded with a fabric sheet cut by the cutting part and is liftable;
A gripper for advancing and holding the fabric and retreating to transport and seat the fabric sheet to the loading plate; And
An alignment portion disposed across the loading plate, the alignment portion protruding over the loading plate in cooperation with the holding portion to align the fabric sheet;
Fabric cutting device comprising a. The method of claim 1,
The alignment unit:
A guide bar configured to hang across the upper surface of the loading plate;
A guide housing adjacent to the loading part side to move up and down in conjunction with the loading plate;
A guide rod accommodated in the guide housing to be liftable and having an upper end coupled to the guide bar; And
A cam portion coupled to the gripping portion and having a cam shape to raise and lower the guide rod in contact with the guide rod as the gripping portion retreats;
Fabric cutting device comprising a. The method of claim 1,
The loading part:
A stacking frame disposed below the stacking plate;
Drive motor;
A rack gear unit coupled to the loading frame and rotating in association with the rotation of the driving motor; And
An elevating shaft supporting the loading plate, the pinion being engaged with the rack gear portion and being lifted on a side thereof to lift the loading plate;
Fabric cutting device comprising a. The method of claim 1,
A counting sensor for counting the number of far-end sheets stacked on the stacking unit; And
A control unit which receives the number of the original sheets to be loaded from the counting sensor and determines a lifting position of the loading plate;
Fabric cutting device further comprises a. The method of claim 1,
The gripping portion:
A finger guider disposed over the front and rear sides in the loading plate side direction;
A finger column coupled to the finger guider so as to be moved forward and backward and formed across the width plate in a width direction; And
A finger coupled to the front of the column for fingers, the finger configured to grip the fabric;
Fabric cutting device comprising a. The method of claim 5,
The finger is:
A lower finger portion coupled to a lower side fixedly coupled to the front of the finger column;
An upper finger portion coupled to an upper side of the lower finger portion, the upper finger portion being configured to be lifted to lower and engage with the lower finger portion;
Fabric cutting device comprising a. The method of claim 1,
The transfer unit:
A plurality of unwinding roll units for unwinding the respective fabrics;
A plurality of guide rolls for guiding each of the unwinding fabrics from the unwinding roll; And
A nip roll unit for pressing and fixing the fabrics guided by the guide roll unit in a stacked state;
Fabric cutting device comprising a.

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