KR101142423B1 - Sheet cutting machine - Google Patents

Abstract

PURPOSE: A sheet cutting apparatus is provided to reduce fault of a product and the number of workers by introducing an automation concept in the whole procedure including a sheet supplying process, a spreading process, and a cutting process. CONSTITUTION: A feeding/cutting frame(10) and a finger frame(11) are arranged in the front and back side in a row. A feeding part(12) is installed in the tip-end part of the feeding/cutting frame and supplies a sheet which is rolled with a drum. A cutting part(13) is installed to the rear end part of the feeding/cutting frame and cuts the sheet by using a press and a knife. A winding drum is respectively prepared to the top and bottom side of the leading end of the feeding/cutting frame. A plurality of idlers guides the trace of wheel of the sheet.

Description

Sheet cutting machine

The present invention relates to a sheet cutting apparatus, and more particularly, to an apparatus for automatically cutting a sheet such as an EVA (Ethylene Vinyl Acetate) film used in a solar cell module.

Recently, as interest in soaring oil prices and environmental protection has increased, photovoltaic devices for directly converting sunlight into electricity using solar cell modules have been in the spotlight.

Since the solar cell module used for solar power generation is used outdoors, it is required to have a long life and durability to withstand changes in the natural environment.

Such a solar cell module is a semiconductor device that converts light energy into electrical energy using a photoelectric effect, and has been in the spotlight with the advantages of pollution-free, noise-free, and infinite supply energy.

Such a solar cell module is usually manufactured by sequentially stacking tempered glass, EVA film, solar cell, EVA film, the back protective sheet, the laminated module is subjected to a high temperature compression laminating process in a vacuum.

In particular, since the solar cell module is installed outdoors to receive sunlight well, a protective sheet for protecting the solar cell module as a back sheet is provided on the rear surface of the solar cell module to withstand the external environment such as snow and rain.

Here, the protective sheet is made of a durable material that can withstand high temperatures and humidity in order to provide a waterproof, insulating and UV protection role and to extend the life of the solar cell module, typically EVA (Ethylene Vinyl Acetate) ), PE (PolyEthlene) and the like are used.

That is, the protective sheet is preferably made of a material having soft physical properties even after being cured in order to protect the solar cell from external impact, and thus, the EVA sheet is mainly used as the protective sheet.

Since most of the protective sheet cutting process is carried out by the worker by hand, the protective sheet cutting process according to the manual work has a problem of increase of labor cost due to exposure of safety accidents of the worker, accumulation of worker fatigue, and worker shift work.

In addition, the process of cutting the protective sheet by manual work is a problem that the cutting surface of the solar cell module is not uniform to reduce the quality of the solar cell module, productivity is reduced by increasing the time required for the protective sheet cutting process.

EVA film, which is often used as a protective sheet, is stretched, stretched out, and tough, while being cut well when cutting.

When cutting EVA film of this characteristic, the small type of knife causes the film to be pinched in the space between the knife and the knife, and the straight type knife has a slight dull edge, so that the film does not cut and tears. Occurs.

In order to solve this problem, the scissors-type knife is effective, but in this case, it is difficult to cut by hand because accurate cutting is achieved only by holding both sides of the film and keeping the film taut.

In addition, when manufacturing a solar cell module, various kinds of films, such as soft films and hard films, are contained. In order to cut the films of various types and thicknesses according to their characteristics, the quality cannot be secured depending on manual labor. There is a need for a device that can efficiently cut sheets such as EVA films.

Accordingly, the present invention has been made in view of the above, and provides a new type of sheet cutting system that performs a process for continuously supplying a sheet, a process for unfolding the sheet, and a process for accurately cutting the sheet as an automated process. It is an object of the present invention to provide a sheet cutting device capable of improving productivity due to automation and securing sheet quality.

In addition, the present invention adopts a scissors-type knife for cutting using both blades while reciprocating the sheet width direction as a cutting means for cutting the sheet, the sheet which can effectively cut a variety of films of different thicknesses and various types Another object is to provide a cutting device.

Sheet cutting device provided in the present invention to achieve the above object has the following features.

The sheet cutting device is a structure constituting the main body of the device and the feeding and cutting frame and finger frame arranged in a row on the side and the rear, and a feeding part which is installed at the tip of the feeding / cutting frame to supply the sheet wound on the drum and And a cutting part installed at the rear end of the feeding / cutting frame to cut both sides of the sheet by using a press and a knife, and a predetermined length of the sheet by using a finger movable in the X-axis direction on the finger frame. Later, it consists of a structure that includes a finger part to hold it tightly.

Therefore, the finger part grasps the sheet continuously fed from the feeding part, pulls it out, and stretches it out. Then, in this state, the cutting part may perform a cutting operation by an automated process of cutting the sheet to an appropriate length.

Here, the feeding part of the sheet cutting device includes a winding drum installed in a structure in which the sheet is wound and supported at both ends of the feeding / cutting frame, and a plurality of idlers installed on the feeding / cutting frame to guide the progress trajectory of the sheet. , Feeding rolls and feeding motors on the feeding / cutting frame and feeding the sheet while contacting both sides of the sheet, and moving up and down on the feeding / cutting frame, before and withdrawing the sheet by the finger part It may be made of a structure including a press rod and a rod cylinder for holding the seat after.

In particular, the cutting part of the sheet cutting device is installed at the bottom of the feeding / cutting frame and side by side along the width direction of the frame as a knife for cutting the sheet while reciprocating across the sheet width direction and a means for operating the knife. LM motion to be installed, the press block and block cylinder which is placed side by side along the width direction of the frame at the top of the feeding / cutting frame to press and hold both sides of the sheet cut portion, and is located at the bottom of the press block It may be made of a structure including a base plate for supporting the bottom surface of the sheet during pressing.

In addition, in the case of the finger part, the chain drive device installed side by side in the frame length direction on both sides of the frame width direction of the finger frame and the finger motor for operating the same, and the chain is disposed across the frame width direction of the finger frame Finger support that is connected to both ends of the drive device and movable in the longitudinal direction of the frame, and a structure that is supported by the finger support is a means for holding the seat and pull out and stretched out, finger that is horizontally supported while the rear end is supported by the finger support Plate, the hinge structure is installed on the finger plate at the same time rotatable in the vertical direction and the clamp plate to hold both sides of the sheet together with the finger plate, is installed on the finger plate is connected through the rear end of the clamp and the rod to operate the clamp Giving the clamp cylinder etc. Be composed of a plurality of fingers is preferred.

Sheet cutting apparatus provided by the present invention has the following advantages.

First, by introducing the concept of automation in the entire process from sheet feeding to unfolding and cutting, it is possible to secure quality and reduce overall workforce, and to improve overall productivity.

Second, by holding both ends of the sheet with a constant tension with the cutting press and the sheet finger when cutting the sheet, it is possible to obtain a clean cutting surface such that the sheet is not lifted or wrinkled.

Third, by using a scissors-type knife using both blades when cutting the sheet, it is possible to greatly increase the endurance life of the knife, it is possible to effectively cut the sheet having a variety of types and thickness without changing the conditions in one equipment.

1 is a front view showing a sheet cutting device according to an embodiment of the present invention
Figure 2 is a plan view showing a sheet cutting device according to an embodiment of the present invention
Figure 3 is a front view showing the sheet feeding & cutting parts in the sheet cutting device according to an embodiment of the present invention
Figure 4 is a plan view showing the sheet feeding and cutting parts in the sheet cutting apparatus according to an embodiment of the present invention
Figure 5 is a side view showing the sheet feeding & cutting part in the sheet cutting device according to an embodiment of the present invention
6 is a front view showing a sheet finger part in the sheet cutting device according to an embodiment of the present invention
7 is a plan view showing a sheet finger part in the sheet cutting device according to an embodiment of the present invention
8 is a front view showing a sheet finger part in the sheet cutting device according to an embodiment of the present invention
9a to 9e is a front view showing the operating state of the sheet cutting device according to an embodiment of the present invention

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

1 and 2 are a front view and a plan view showing a sheet cutting device according to an embodiment of the present invention.

1 and 2, the sheet cutting device is a device for automatically supplying and cutting sheets such as EVA film, the apparatus body is fed and cutting frame 10 arranged in a row in front and rear And a finger frame 11, the feeding / cutting frame 10 is provided with a feeding part 12 and a cutting part 13 at the front end and the rear end, respectively, and the finger part 11 with the finger part ( 14) is installed.

Here, the feeding part 12 is a part for supplying while releasing the sheet wound on the roll, the cutting part 13 is a part for cutting the width of the sheet with a knife, the finger part 14 is the sheet cutting This is the part that keeps the sheet taut.

In the structure of the apparatus main body, the sheet proceeds along the frame length direction, i.e., in the X-axis direction, and is stretched at the same time as it is pulled in a constant length in the X-axis direction, and moves in the frame width direction, i.e., in the Y-axis direction in this state. Through the process of cutting by a knife, it is cut to a predetermined length as a ratio.

The apparatus body of such a sheet cutting device is provided with a caster 36 and a mount 37, which has the advantage that it can be moved to a suitable place.

In addition, a control box 38 is provided at the bottom of the finger frame 11 to control various actuators.

3 to 5 are a front view, a plan view and a side view showing a sheet feeding & cutting part in the sheet cutting device according to an embodiment of the present invention.

As shown in Figures 3 to 5, the sheet feeding & cutting part is a means for supplying a sheet wound on a roll, and cutting the sheet thus supplied while holding both sides with a press and a knife, one frame The feeding part 12 is provided at the front end side and the cutting edge 13 is installed at the rear end side while sharing the same, thereby performing continuous feeding of the sheet and sequential cutting of the sheet, respectively.

To this end, a winding drum 15 in which a predetermined amount of sheets are wound is provided, and the winding drum 15 at this time is positioned at the front end side of the feeding / cutting frame 10 so that both ends are supported on the frame side and are freely rotatable. Is installed as a structure.

The winding drum 15 is a form in which the sheet is freely rotated by the pulled sheet to release the sheet, and each one of the winding drums 15 may be provided above and below the tip side of the feeding / cutting frame 10.

In addition, a plurality of idlers 16 are provided as a means for guiding the trajectory of the sheet, so that the sheet may be advanced toward the cutting part 13 along a predetermined trajectory while passing through each idler 16.

In addition, the feeding part 12 is provided with a pair of feeding rolls 17a and 17b and a feeding motor 18 as a means for feeding the sheet.

In other words, the sheet may be supplied while proceeding with the force pulled by the finger part 14, which will be described later, but also in the feeding part 12 side by pushing the sheet in accordance with this, the sheet can be supplied more smoothly Will be.

The feeding rolls 17a and 17b are installed to be rotatably supported on the feeding / cutting frame 10, and the two rolls are disposed in contact with each other from above and below with the sheets in between, and the rolls and sheets It is possible to feed the sheet using the frictional contact force between.

Among these feeding rolls 17a and 17b, the lowering feeding roll 17a is a driving roll. The feeding roll 17a is connected to the feeding motor 18 installed below the belt by a belt transmission structure. ) Is combined with the spring, the lever device, and the cam, etc., and always has a structure capable of applying a downward force with the feeding roll 17a.

In particular, the feeding part 12 comprises a tension roll 39 as a means of providing an appropriate tension to the sheet upon feeding of the sheet.

The tension roll 39 is inserted into both ends of the guide hole 40 in the form of a long hole formed in both walls of the feeding / cutting frame 10 is installed in a structure that can move up and down along the hole.

Here, the pinion 41 is mounted at one end of the tension roll 39, and the pinion 41 is engaged with the rack 42 mounted on the feeding / cutting frame 10 side by side with the hole. As the tension roll 39 moves up and down, it can rotate about its own axis.

Accordingly, when the sheet is pulled by the finger part 12, the tension roll 39 mounted on the sheet rises upward while being guided by the guide holes 40 on both sides, and eventually the tension roll acting on the sheet. The load of (39) allows the seat to be given a proper tension while maintaining the tensioned state.

On the other hand, the tension roll 39, which has been lifted up with a pitch feed of the sheet, falls by its own weight when the sheet is fixed by the press rod 19, which will be described later. In this case, the sheet can be unwound from the winding drum 15 at this time.

In addition, a press rod 19 is provided as a means for controlling the supply of the sheet, and the press rod 19 at this time serves to press and hold the sheet before and after the sheet is drawn out by the finger part 14. .

That is, the press rod 19 can press and fix the sheet except for the situation in which the sheet is pulled out by the pinker part 14.

This press rod 19 is located close to the front of the press block 23 in the cutting part 13 and is connected to and supported by the rod of the rod cylinder 20 which is installed vertically on top of the feeding / cutting frame 10. Is installed in the structure.

Here, the press rod 19 may be provided with two arranged at appropriate intervals on both sides of the frame width direction.

Accordingly, when the rod cylinder 20 is operated, the press rod 19 is lowered to press the sheet of the base plate 25 to be described later, and thus the press rod 19 presses one side of the sheet. The sheet cutting can be performed in the state in which the finger part 14 is holding the other side of the sheet, that is, the state is stretched out at both ends of the sheet.

A cutting part 13 for substantially cutting the sheet is provided at the rear end side of the feeding / cutting frame 10, and is a press block 23 and a knife as a means for holding and cutting the sheet when cutting the sheet. (21) and the like.

The knife 21 is positioned next to one side of the sheet in the width direction, and serves to cut the sheet while reciprocating across the sheet width direction, that is, linearly moving along the Y-axis direction.

In order to move the knife 21, the bottom of the feeding / cutting frame 10, for example, when the position of the sheet is based on the structure arranged side by side along the frame width direction of the feeding / cutting frame 10 The furnace LM motion 22 is installed, and the knife 21 can be installed on the knife support 43a extending vertically from the slider of the LM motion 22 thus installed.

Accordingly, the knife 21 can cut the sheet while reciprocating along the Y-axis direction by the LM motion 22.

In particular, the knife 21 is made of a combination of the upper knife (21a) and the lower knife (21b), the upper and lower knife (21a, 21b) is a part overlapping each other in a state arranged up and down in a position facing each other blades Through the slot 44 is coupled in the form of fastening with a bolt.

Accordingly, when the knife is worn out due to prolonged use, that is, when the knife blade becomes dull, the bolt that is fastened through the slot 44 can be loosened and the gap between the upper and lower knife 21a and 21b can be adjusted.

The knife 21 is a scissors-type knife that forms a "V" groove-shaped blade, more precisely, a knife that combines the advantages of small-head and scissors-type, the "V" groove-shaped blade is provided on each side of the knife Thus, the sheet can be cut while using both blades alternately, that is, using the blade on the right when going to one side while moving along the Y-axis direction and the blade on the left when returning to the other side.

Such a knife has a feature that can be applied to a wide range, such as cutting can be performed regardless of the thickness and type of sheet.

In addition, the press block 23 is provided as a means for pressing and holding both sides of the sheet cut portion when cutting the sheet.

The press block 23 is a means for pressing and holding both sides of the sheet cut portion while the sheet 21 is being cut by the knife 21. The press block 23 is installed on the top of the feeding / cutting frame 10 and immediately above the knife 21. Are located facing each other at

The press block 23 is formed in the form of an elongated block having an upside down "c" shaped cross-section and is arranged side by side in the width direction (Y-axis direction) of the frame and is installed on the top of the feeding / cutting frame 10. The bottom of the block cylinder 24 is coupled to and supported by the rod.

Accordingly, when the block cylinder 24 is operated, the press block 23 is able to press and hold the sheet supported on the base plate 25 while operating up and down, and thus the press block 23 presses the sheet. The sheet 21 can be cut while passing the knife 21 between the center recesses of the "c" shaped cross section in the giving state.

In particular, a urethane pad 26 having a cushion is attached to the bottom of the press block 23, and the urethane pad 26 serves to prevent the sheet from being stretched and pushed.

In addition, the bottom of the press block 23 is provided with a base plate 25 as a means for supporting the bottom of the sheet, whereby the sheet can be carried out in the state placed on the base plate 25, and the press block ( 23) of course, it is possible to play a role in supporting the press operation of the press rod 19 described above.

A guide device 45 is provided as a means for guiding the press block 23 to smoothly move up and down, and the guide device 45 at this time is a guide bar 45a vertically connected to the upper surface of the press block 23. And a guide bush 45b which is installed on the feeding / cutting frame 10 to guide the vertical slide movement of the guide bar 45a, so that two sets supporting both sides of the press block 23 can be provided. do.

On the other hand, immediately adjacent to the rear end of the press block 23 is provided with a punching means for puncturing the sheet while moving up and down together when the press block 23 moves up and down.

The punching means is composed of a punching knife 27 and a punching cylinder 28, and is installed in a structure supported on the top of the feeding / cutting frame 10, it is located in the middle of the frame width direction.

Accordingly, at the time when the press block 23 starts to descend, the punching knife 27 is also lowered (falling with a slight time difference) by the operation of the punching cylinder 28 so as to form a hole in the sheet. do.

Here, the punching knife 27 is vertically coupled to the knife support 43b mounted on the rod of the punching cylinder 28, and the punching knife 27 at this time is coupled to the press block 23 side and wins together. It is positioned to penetrate the lowered press plate 46.

Accordingly, both sides of the sheet cutting portion are first pressed and fixed by the press plate 46, and then the punching knife 27 is lowered to punch the sheet, thereby forming a more accurate hole in the sheet. .

6 to 8 are a front view, a plan view and a side view showing a sheet finger part in a sheet cutting device according to an embodiment of the present invention.

As shown in FIGS. 6 to 8, the pinker part 14 pulls out the sheet using a finger 32 that is movable in the frame width direction, that is, in the X-axis direction, and then holds the sheet in tension. As a means of cutting, the cutting of the sheet is made while the finger 32 is holding the sheet, so that the cutting can be performed efficiently and a clean cutting surface can be obtained.

To this end, the finger frame 11 is installed side by side to the rear of the feeding / cutting frame 10 is provided, the chain drive side by side along the frame length direction on both sides of the frame width direction of the finger frame 11 The apparatus 30 is provided.

The chain drive device 30 includes a chain 49 for driving between a drive sprocket 47 and a driven sprocket 48 which are respectively installed at the front and rear ends of the finger frame 11, and the drive sprocket ( 47 is connected to the finger motor 31 side of the upper side in a belt transmission structure, it is possible to drive the chain 49 together with the driven sprocket 48 while being rotated during the operation of the finger motor 31.

At this time, the drive sprockets 47 on both sides of the frame width direction are connected to each other by the shaft 50 crossing the frame width direction, whereby the chains 49 on both sides can be driven simultaneously.

In addition, between the chain 49 of the two sides in the chain drive device 30 is disposed across the frame width direction of the finger frame 11 is provided with a finger support 31 made of a plate combination structure, wherein Both ends of the finger support 31 of are supported by the structure connected by the adapter 51 on the chain side.

Accordingly, when the chain 49 is driven, the finger support 31 at this time may also move together and move back and forth along the X-axis direction.

Here, the LM guides 52 are installed on both sides of the frame width direction of the finger frame 11 side by side in the frame length direction between the chains of two lines up and down for more stable linear movement of the finger support 31. And, as the end of the finger support 31 is coupled to the slide block of the LM guide 52 installed in this way, the finger support 31 is able to perform a precise linear movement while being guided by the LM guide 52. .

A finger 32 is provided as a means to substantially pull out the sheet, and at this time, the finger 32 may be disposed at a predetermined distance in the sheet width direction so that two fingers capable of catching at least two seats may be applied, where the finger The number of (32) is not limited to this, and an appropriate number can be used depending on the sheet width.

The finger 32 is installed in a structure that is supported by the finger support 31, and serves to pull out and pull out the sheet.

To this end, the finger 32 comprises a finger plate 33 as a supporting means, a clamp 34 as a means for biting the seat, and a clamp cylinder 36 for actuating the clamp 34.

The finger plate 33 is installed in a structure extending horizontally toward the cutting part 13 while the rear end thereof is supported on the bottom surface of the finger support 31, and serves to hold the sheet together with the clamp 34. Will perform.

The clamp 34 is formed by integrally connecting two clamp bars of approximately “b” shapes with pins, and is supported by the finger support 31 through pins connecting the bent portions of the clamp bars. It is installed in a structure that can be rotated up and down, by pressing the bottom of the sheet toward the bottom of the finger support 31 by the front end portion thereof.

The rear end of the cylinder body of the clamp cylinder 36 is supported in a pin structure on the finger support 31 and the cylinder rod is also connected in a pin structure to the rear end of the clamp 34.

Accordingly, the clamp 34 is rotated up and down about the pin support portion on the finger support 31 by the forward and backward operation of the clamp cylinder 36 to hold or release the seat together with the finger support 31. I can give it.

Here, the support plate 53 having a pad is mounted on the bottom end of the finger support 31, and the clamp plate 54 connecting both clamp bars is mounted on the front end of the clamp 34. The sheet can be stably held between the upper and lower plates.

Therefore, looking at the operating state of the sheet cutting device configured as described above are as follows.

9A to 9E are front views illustrating an operating state of a sheet cutting device according to an embodiment of the present invention.

As shown in FIGS. 9A to 9E, the sheet 100 released from the winding drum 15 of the feeding part 12 passes through the feeding rolls 17a and 17b, the idler 16, the tension roll 39, and the like. Then, under the press rod 19 in the cutting part 13, between the press block 23 and the knife 21, extending below the punching knife 27 and placed on the base plate 25. It is in a state where it is pressed and is pressed by the press rod 19. As shown in FIG.

In this state, the finger 32 of the finger part 14 is moved to the right side of the drawing along the X-axis direction, and passes through the punching knife 27 to clamp the end of the sheet with a predetermined length behind it. At the same time, the press rod 19 rises and releases the sheet held down.

Subsequently, the finger 32 is moved to the left side of the drawing along the X-axis direction, and the sheet is unfolded to a proper length (preset length) while drawing a predetermined length, so that the sheet is completely unfolded to a predetermined length. When the press rod 19 descends, the sheet is pressed again.

Subsequently, while both sides of the sheet are stretched out by the clamp 34 and the press rod 19, the press block 23 descends and presses both sides of the sheet cut portion (at this time, the punching knife is also lowered together. A hole is drilled in the sheet), and the sheet 21 is cut as the knife 21 moves in the Y-axis direction while the press block 23 presses both sides of the sheet cut portion.

And the sheet | seat cut | disconnected on one side is piled up over the bar below by releasing the sheet | seat which the other clamp 34 hold | maintained.

As the above series of processes are repeatedly performed, the feeding and cutting of the sheet is made automatically, and the cutting operation is performed while holding the sheet tightly and pressing both sides of the sheet cutting part with a press block. As a result, a clean cut surface can be obtained, and at the same time, a sheet such as an EVA film that is not cut can be effectively cut.

10: feeding / cutting frame 11: finger frame
12: feeding part 13: cutting parts
14: finger part 15: winding drum
16: idler 17a, 17b: feeding roll
18: feeding motor 19: press rod
20: rod cylinder 21: knife
21a: Upper knife 21b: Lower knife
22: LM motion 23: press block
24: block cylinder 25: base plate
26: urethane pad 27: punching knife
28 punching cylinder 29 chain drive
30: finger motor 31: finger support
32: finger 33: finger plate
34: Clamp 35: Clamp Cylinder
36: caster 37: mount
38: control box 39: tension roll
40: guide hole 41: rack
42: pinion 43a, 43b: knife support
44: slot 45: guide device
45a: guide bar 45b: guide bush
46: press plate 47: drive sprocket
48: driven sprocket 49: chain
50: shaft 51: adapter
52: LM guide 53: support plate
54: Clamp Plate

Claims (9)

A feeding / cutting frame 10 and a finger frame 11 arranged in a row in front and rear;
A feeding part 12 installed at a distal end of the feeding / cutting frame 10 to supply a sheet wound on a drum;
A cutting part 13 installed at the rear end of the feeding / cutting frame 10 to cut while holding both sides of the sheet using a press and a knife;
A finger part (14) for holding the sheet tightly after drawing a predetermined length by using a finger movable in the width direction of the finger frame (11) on the finger frame (11); Including,
The cutting part 13 is installed at the bottom of the feeding / cutting frame 10 and is a knife 21 for cutting the sheet while reciprocating across the sheet width direction and means for operating the knife 21. LM motion 22 is installed side by side along the width direction, and the press block for pressing both sides of the sheet cut portion while being placed up and down along the width direction of the frame at the top of the feeding / cutting frame 10 ( 23) and a block cylinder (24), and a base plate (25) positioned at the bottom of the press block (23) to support the bottom of the sheet during pressing.
The method of claim 1, wherein the feeding part 12 is installed on the winding drum 15 and the feeding / cutting frame 10 is installed in a structure in which the sheet is wound and supported on both sides of the feeding / cutting frame 10 A plurality of idlers 16 for guiding the trajectory of the sheet, and feeding rolls 17a and 17b and feeding motors which are installed on the feeding / cutting frame 10 and feed the sheet while contacting both sides of the sheet ( 18) and a press rod 19 and a rod cylinder 20 mounted on the feeding / cutting frame 10 to hold the sheet before and after the sheet is drawn out by the finger part 14 while operating up and down. Sheet cutting device, characterized in that configured. delete The method of claim 1, wherein the knife 21 of the cutting part 13 is a scissors-type knife to form a "V" groove-shaped blade on both sides, it consists of a combination of the upper knife 21a and the lower knife 21b Sheet cutting device, characterized in that to be able to cut the sheet using alternate blades.
The sheet cutting device according to claim 1, wherein the upper knife (21a) and the lower knife (21b) of the knife (21) are coupled in a fastening structure through a slot, so that the blade width can be adjusted when the knife is worn. 2. The sheet cutting according to claim 1, wherein the press block 23 of the cutting part 13 further includes a urethane pad 26 having a cushion while being attached to the bottom to prevent the sheet from being stretched and pushed. Device.
The punching knife (27) of claim 1, wherein the cutting part (13) is installed at the rear end of the press block (23) at the top of the feeding / cutting frame (10) in parallel with this and punches the sheet while operating up and down. And a punching cylinder (28).
The method according to claim 1, wherein the finger part 14 is a chain drive device 29 installed in parallel along the frame longitudinal direction on both sides of the frame width direction of the finger frame 11 and the finger motor 30 for operating the same; A finger support 31 disposed across the frame width direction of the finger frame 11 and connected to both ends of the chain drive device 29 and movable in the frame length direction, and installed in a structure supported by the finger support 31. And the sheet cutting device characterized in that it comprises a plurality of fingers (32) to hold the sheet and pull out and stretch out.
According to claim 8, Finger 32 of the finger part 14 is supported by the finger plate 31, the finger plate 33 is extended horizontally and is installed in a hinge structure on the finger plate 33 At the same time, it is rotatable vertically and clamps 34 which hold both sides of the sheet together with the finger plate 33, and are installed on the finger plate 33 and are connected to the rear end of the clamp 34 via rods. 34) A sheet cutting device, characterized in that consisting of a clamp cylinder (35) for operating.

Images