KR200441212Y1 - Slitter device - Google Patents

Abstract

The present invention relates to a slitter device for cutting a thin sheet material in a roll form, and includes an input unit for injecting the thin plate material and a cutting part for cutting the material in a predetermined width along the longitudinal direction, and a scrap recovery unit for recovering scrap. A slitter device having a guide part for guiding a material conveyed from a cutting part and a rewind part in which a reel is installed to rewind the material cut in the final step, wherein the spacer is installed on the outer circumferential surface of the air chuck installed on the reel and cut. Even if the diameter of the base frame to be rewinded is relatively large, the base frame can be stably fixed without replacing the reel, and the pressurization part provided in the rewind part is provided with a balance weight to finely apply the pressure applied to the material. Drive shaft for rotating the scrap roller of the scrap recovery unit The present invention relates to a slitter apparatus capable of quickly and stably recovering scrap by installing a frictional force adding means for adding frictional force to one end of the scrap roller to finely adjust the rotational speed of the scrap roller.

Reel, cutting part, rewind part, pressure roller, scrap recovery part, balance waiter

Description

Slitter Device {A slitting machine}

1 is a schematic side view of a conventional slitter device;

2 is a schematic side view of the slitter device of the present invention;

3 is a perspective view of a rewind unit of the slitter device of the present invention,

4 is a partially exploded perspective view of a reel provided in the rewind unit of FIG. 3;

5 is a side view of the spacer of FIG. 4;

6 is an exploded perspective view of a balance waiter provided in the rewind unit of FIG. 3;

7 is a schematic perspective view of a scrap recovery unit of the slitter device of the present invention,

8 is an exploded perspective view of the frictional force adding means of FIG.

Explanation of symbols on the main parts of the drawings

1,100 Material 5,105 Base Frame

10,110: Feeding part 15,115,25,125,35,135: Feeding roller

20,120: cutting part 30,130: guide part

14,40,140: Reel 41,141: Reel Shaft

42,142: air chuck 43: winding shaft

45: spacer 46: through hole

47: support 50,150: pressing portion

51: pressure cylinder 52: piston

55: shaft 56: support plate

57,87: shaft support 58: pressure roller

60: balance waiter 61: fixed rod

62: stopper 65: weight

70,170: rewind unit 80: scrap recovery unit

81: scrap roller 82: shaft

83: sprocket 84: belt

85: drive motor 86: drive shaft

90: frictional force adding means 91: support bracket

92: fixed shaft 95: pressure plate

97: spring

The present invention relates to a slitter device for cutting a thin sheet material in roll form, and more specifically, a base frame having a large diameter without replacing a reel by having a spacer on an outer circumferential surface of an air chuck provided in a reel for rewinding the cut material. It is also possible to fix the pressure, and to adjust the pressure by finely installing the balance waiter to pressurize the material, and the scrap recovery part is provided with a frictional force adding means to the drive shaft for rotating the scrap rollers The present invention relates to a slitter device capable of stably recovering scrap by enabling fine adjustment of the rotation speed.

In general, the slitter is a generic term for a straight shear having a parallel axis rotating cutter, such as sheet-like steel sheet or film, paper, or thin-aluminum foil It is an apparatus used to precisely cut thin materials into arbitrary widths.

Therefore, the slitter is a device for producing a product by winding the cut material again in a roll form after slitting a predetermined width while transferring a steel sheet, a film, or a fabric wound in a roll form to a feed roller.

1 is a side view of a conventional slitter device, and includes an input part 110, a cutting part 120, a guide part 130, and a rewind part 170.

The input unit 110 continuously supplies the material 100 wound in the form of a roll to the cutting unit 120, and the cutting unit 120 cuts the input material 100 using a rotary cutter, and the guide unit ( 130 serves to guide the cut material 100 to the rewind unit 170, which is the final step.

The rewind unit 170 is a portion for winding (rewinding) the material 100 in a roll shape, and an appropriate tension is applied to the reel 140 and the material 100 to which the base frame 105 on which the material 100 is wound is fixed. It is composed of a pressing unit 150 for pressing the material 100 to be maintained.

On the other hand, the reel 140 is composed of a reel shaft 141 and the air chuck 142, the air chuck 142 radially with respect to the winding shaft by the air pressure to fix the base frame 105 of various diameters It is installed to be haunted.

Thus, the reel 140 is rotated to rewind the material 100 onto the base frame 105 to produce a product in roll form.

However, the conventional slitter device having the above structure has the following problems.

First, the reel provided in the rewind part can be fixed to the base frame having a certain range of diameters because an air chuck is installed, but if the diameter of the base frame is rather large, it must be replaced with a large reel, which leads to a decrease in productivity due to increased productivity. Second, there was a risk of damage to the product or deterioration of quality due to the difficulty of finely adjusting the pressing force in the pressurizing portion that pressurizes the material wound on the reel. Third, the scrap to recover the scrap generated from the cut portion. There was a problem that the rotation speed of the roller can not be finely adjusted.

The present invention has been made to solve the above problems, further comprising a spacer on the outer circumferential surface of the air chuck provided on the rewind of the rewind portion to increase the productivity by fixing a large base frame without replacing the reel, The balance part is installed in the press part of the rewind part to finely adjust the pressing force applied to the material to improve the quality of the product, and the scrap recovery part is provided with a friction force adding means in the drive shaft for rotating the scrap roller. It is to provide a slitter device that allows the finely adjustable rotation speed to recover scrap quickly and reliably.

In order to achieve the above object, the present invention is an input unit for continuously feeding while rotating a roll-shaped sheet material, a cutting unit for cutting a predetermined width along the longitudinal direction of the material conveyed from the input unit, and is generated in the cutting unit A reel provided with a scrap recovery unit for recovering scrap, a guide unit for guiding the material transferred from the cutting unit, and a plurality of air chucks radially mounted so that the base frame for rewinding the material transferred from the guide unit can be fixed; A rewind unit having a pressing unit for adding tension to the material; In the slitter device configured to include, the spacer of a predetermined height is further provided on the outer circumferential surface of the air chuck of the rewind unit so as to easily fix the base frame having a large diameter.

In addition, the spacer of the present invention is formed on the outside the same curved surface and the outer circumferential surface of the air chuck, the rear surface protruding to form a plurality of supports in close contact with the outer circumferential surface of the air chuck, screwing the air chuck through the screw coupled to the support It can be done.

In addition, the pressing portion of the rewind unit is composed of a pressing roller for pressing the upper surface of the material and a pair of support plates for supporting both ends of the pressing roller and a pressing cylinder for applying a rotational force to the rotating shaft, One side is provided with a balance waiter for adding a rotation moment to the rotating shaft to finely adjust the pressing force of the pressure roller.

In addition, the balance waiter of the present invention is one end is fixedly coupled to the outer circumferential surface of the rotary shaft and the outer circumferential surface is composed of a fixed rod and a weight that is screwed to the fixed rod, the weight added to the fixed rod any position Stoppers for supporting both sides of the weight to be securely fixed to the screw is respectively screwed.

On the other hand, the scrap recovery unit comprises a scrap roller rotatably coupled to the shaft so that the scrap discharged from the cutting portion, a drive shaft for transmitting a rotational force to the shaft and a drive motor for driving the drive shaft, the drive shaft is rotated Friction force adding means for adding a frictional load at one end to adjust the speed is provided.

In addition, the frictional force adding means, one end is fixedly coupled to the support bracket, the other end is fixed to the shaft is inserted into the central portion of the one end of the drive shaft, screwed to the fixed shaft is installed so as to move back and forth along the longitudinal direction It may be composed of a pressing plate and a spring which is arranged on a fixed shaft between the one end of the drive shaft and the pressing plate.

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

2 shows a schematic side view of the slitter device of the present invention.

As shown in the drawing, the slitter device includes an input part 10, a cutting part 20, a scrap recovery part 80, a guide part 30, and a rewind part 70.

The input part 10 serves to unwind the thin plate material 1 wound in a roll shape and to supply the cutting part 20 continuously through the feed roller 15, and the material 1 is rotatably coupled. It is fixedly coupled to the reel 14 and rotated together with the reel 14 to be unloaded and continuously transferred to the cutting unit 20 by the feed roller 15.

Meanwhile. The cutting unit 20 is a portion for cutting the material 1 conveyed from the feeding unit 10 to a predetermined width by using a cutter, and the feed roller 25 is installed in the first half and the second half, respectively, and the cutter is the transfer roller 25. ) To be cut between the material (1) is provided between the predetermined width.

The scrap recovery part 80 is a part which collects scrap by continuously winding the scrap cut by the cutting part 20 in a separate scrap roller 81 and is installed between the cutting part 20 and the guide part 30.

The guide part 30 serves to guide the cut material 1 to the rewind part 70 continuously in a state in which proper tension is maintained, and through the feed roller 35 provided at the front and rear parts thereof. 1) is transferred to the rewind unit 70.

Meanwhile, the rewind unit 70 is a final step of forming a roll 1 of the raw material 1 transferred from the guide unit 30, and reels 40 winding the cut material 1 and the rolled material 1. It consists of a pressurizing part 50 which adds a constant pressure to it.

At this time, the reel 40 is fitted with a base frame 5 having a constant diameter to rewind the material 1, the reel 40 is wound (rewinding) the material 1 by rotating the base frame 5 It will play a role.

Figure 3 shows a perspective view of the rewind unit of the slitter device of the present invention, Figure 4 shows a partial exploded perspective view of the reel provided in the rewind unit.

As shown, the reel 40 of the rewind unit 70 is composed of a reel shaft 41 coupled to the take-up shaft 43 and a plurality of air chucks 42 provided outside the reel shaft 41.

The reel shaft 41 and the air chuck 42 are applied to a general slitter device. The reel shaft 41 is rectangular in shape and the center thereof is coupled to the winding shaft 43, and the air chuck 42 has a reel shaft ( It is installed on the outer surface of the reel shaft 41 so as to be sunk while sliding radially with respect to 41).

At this time, the reel shaft 41 is formed with an air supply passage (not shown) for supplying air inside the air chuck 42 so that the air chuck 42 is radially slidable.

The air chuck 42 is radially sunk by air supplied from the air supply flow path of the reel shaft 41 to replace the base frame 5 having a diameter larger than the reel 40 without replacing the reel 40 itself. It can be easily fixed.

Therefore, the air chuck 42 is radially slid when the diameter of the base frame 5 on which the raw material 1 is wound is large, and the outer circumferential surface closely adheres to the inner circumferential surface of the base frame 5, thereby fixing the base frame 5. This allows the base frame 5 to be rotated together with the reel 40.

On the other hand, a spacer 45 having a predetermined height is provided on the outer circumferential surface of each air chuck 42.

The spacer 45 is installed so as to prevent the case where the base frame 5 cannot be fixed even by the protrusion of the air chuck 42 provided in the reel shaft 41 because the diameter of the base frame 5 is relatively large. Will be.

As shown in FIG. 5, the spacer 45 has an outer circumferential surface formed of an arc having a predetermined size so as to be in close contact with the inner circumferential surface of the base frame 5, and the bottom surface is in close contact with the outer circumferential surface of the air chuck 42. Support 47 which may be protruded in plurality.

The support 47 is formed with a plurality of through holes 46 through which the screws 46a can be inserted.

Accordingly, the spacer 45 is brought into close contact with the outer circumferential surface of the air chuck 42 after the support 47 is inserted into the through hole 46 to be coupled to the air chuck 42 to be fixed.

On the other hand, a large diameter portion is formed in the upper portion of the through hole 46 so that the head of the screw 46a can be inserted.

Accordingly, the spacer 45 provided on the outer circumferential surface of the air chuck 42 of the reel 40 has an outer circumferential surface in close contact with the inner circumferential surface of the base frame 5 so as to fix the base frame 5. ) Can also be easily fixed without replacing the reel 40 itself.

In addition, the spacer 45 is easy to replace when damaged or broken, it is possible to prevent the air chuck 42 is damaged or broken in the process of fixing the base frame 5 to the reel (40).

Meanwhile, the pressing unit 50 provided in the rewind unit 70 adds tension by pressing the upper surface of the raw material 1 so that the raw material 1 can be wound at an appropriate pressure. The rotating shaft 55 and the pressure cylinder And a press roller 58.

The rotating shaft 55 is rotatably installed at one side thereof to the shaft support 57, and the piston 52 of the pressure cylinder 51 is coupled to rotate the rotating shaft 55 so that the rotating shaft 55 is rotated forward and backward ( 55) to reciprocate rotation within a certain range.

One end of the pair of support plates 56 spaced apart from each other to support both ends of the pressure roller 58 is fixedly coupled to the rotation shaft 55.

Meanwhile, the balance waiter 60 is installed at one side of the rotation shaft 55.

Figure 6 shows an exploded perspective view of the balance waiter, as shown, the balance waiter 60 is composed of a fixed rod 61, a weight 65 and a stopper 62.

Fixed rod 61 is one end is fixedly coupled to one side of the rotation shaft 55 is rotated integrally with the rotation shaft 55, the outer peripheral surface is formed with a screw thread so that the weight 65 and the stopper 62 can be screwed do.

The weight 65 is to add a rotation moment to the rotating shaft 55 is installed on the fixed rod 61 to move forward and backward along the longitudinal direction of the fixed rod 61, the stopper 62 is both sides As the handle is formed in the weight 65 is screwed to the fixing rod 61 on both sides of the weight 65 so that it can be fixed to any position.

Therefore, the balance waiter 60 can finely adjust the rotation moment applied to the rotating shaft 55 according to the position of the weight 65 so that the pressing force of the pressure roller 58 applied to the material 1 can be finely adjusted. It can be adjusted.

Hereinafter, an operation process of the pressing unit 50 will be described.

First, when the piston 52 of the pressure cylinder 51 is advanced, the rotating shaft 55 is rotated counterclockwise in conjunction with this, and the pressure roller 58 is also rotated counterclockwise and applied to the material 1. Losing pressure is reduced, and when the piston 52 is reversed, the pressure applied to the material 1 is increased in reverse.

At this time, it is difficult for the pressure cylinder 51 to finely control the pressure applied to the raw material 1 by the pressure roller 58.

At this time, the balance waiter 60 of the pressing unit 50 rotates the weight 65 of the balance waiter 60 while the pressure roller 58 presses the material 1 by the pressure cylinder 51. By changing the position, it is possible to finely adjust the magnitude of the rotation moment applied to the rotating shaft 55 by the weight 65 so that the pressing force of the pressure roller 58 applied to the material 1 can be finely adjusted.

Therefore, the balance waiter 60 may finely adjust the pressing force applied to the material 1 so that the material 1 may be wound at an optimal tension.

On the other hand, Figure 7 schematically shows a perspective view of the scrap recovery portion of the present invention, Figure 8 shows an exploded perspective view of the frictional force adding means.

As shown, the scrap recovery unit 80 is composed of a scrap roller 81, a drive shaft 86, a drive motor 85 and the frictional force adding means (90).

The scrap roller 81 is a continuous winding of the scrap (not shown) recovered from the cutting portion 20, and is fixed to one end of the shaft 82 rotatably coupled to the shaft support portion 87. .

On the other hand, the drive shaft 86 is rotatably coupled to the shaft support portion 87 to transmit the rotational force of the drive motor 85 to the shaft 82, both ends are provided with sprockets 83, respectively.

Accordingly, both ends of the drive shaft 86 are connected to the drive motor 85 and the shaft 82 by the sprocket 83 by the belt 84 or the chain, respectively.

On the other hand, the friction force adding means 90 is coupled to one end of the drive shaft 86 to adjust the rotational speed of the drive shaft 86 by adding a friction force to the drive shaft 86.

Friction force adding means 90 is composed of a fixed shaft (92), the pressing plate 95 and the spring 97 is fixedly coupled to the support bracket (91).

The fixed shaft 92 is installed on the same center line as the drive shaft 86, one end of which is fixedly coupled (screwed, welded, etc.) to the support bracket 91, and the other end thereof has a predetermined depth at the end of the drive shaft 86. It is inserted into the slip so that the slip occurs when the drive shaft 86 is rotated.

In addition, a thread of a predetermined length is formed on the outer circumferential surface of the fixed shaft 92.

On the other hand, the pressure plate 95 is screwed on the fixed shaft 92 is installed so as to be moved forward and backward, the spring 97 between the pressure plate 95 and the sprocket 83 coupled to the end of the drive shaft 86 Compression is installed.

Hereinafter, the operation of the scrap recovery unit 80 will be described in detail.

First, when the driving motor 85 is rotated, the rotational force is transmitted to the driving shaft 86 so that the driving shaft 86 rotates, and the shaft 82 rotates by the rotation of the driving shaft 86 so that the scrap roller 81 rotates. As a result, the scrap is wound on the scrap roller 81.

However, it is difficult for the driving motor 85 to finely adjust the rotational speed of the scrap roller 81 so as to correspond to the scrap generation speed in the cutting unit 20.

Therefore, in this case, the frictional force adding means 90 may be used to finely adjust the rotation speed of the scrap roller (81).

That is, in order to finely lower the rotational speed of the drive shaft 86, the pressure plate 95 coupled to the fixed shaft 92 is rotated to move in the direction of the sprocket 83 of the drive shaft 86.

On the other hand, the spring 97 is compressed when the gap between the pressure plate 95 and the sprocket 83 is reduced, the repulsive force is increased, the end is strongly adhered to the side of the sprocket 83, the rotation of the drive shaft 86 by the friction force Will interfere.

Therefore, by adjusting the repulsive force of the spring 97 using the pressure plate 95, it is possible to finely control the rotation of the drive shaft 86 by adjusting the friction force between the spring 97 and the sprocket 83, so that the scrap roller at the optimum speed It is possible to adjust the rotational speed of 81 so that the scrap can be recovered quickly and stably.

Therefore, the slitter device of the present invention can quickly produce a relatively large diameter roll-shaped product without replacing the reel 40, and finely control the tension to be wound using the balance waiter 60. It is possible to improve the quality of the scrap, it is also possible to easily recover the scrap will be able to obtain the cost savings due to improved productivity.

As mentioned above, since the above embodiments are merely described as examples for convenience of description, they do not limit the utility model registration claims.

As described above, the present invention, first, further comprises a spacer on the air chuck provided in the reel rewinding the material in the final step can be fixed without changing the reel even relatively large base frame according to the improvement of productivity Cost reduction effect. Second, the tension of the material wound in the rewind part can be finely adjusted to minimize the damage or defect of the product, thereby improving the quality. Third, the rotational speed of the scrap roller of the scrap recovery part. It is possible to finely control the effect of the scrap can be recovered quickly and stably.

Claims (6)

Input part 10 for continuously feeding while rotating the thin sheet material (1) in the form of a roll; Cutting unit 20 for cutting the material (1) transferred from the input unit 10 in a predetermined width along the longitudinal direction; A scrap recovery unit (80) for recovering scrap generated in the cutting unit (20); A guide part (30) for guiding the material transferred from the cutting part (20); And On the reel 40 and the material 1 provided with a plurality of air chucks 42 which are radially sunk so that the base frame 5 to rewind the material 1 conveyed from the guide part 30 can be fixed. A rewind unit 70 having a pressing unit for applying tension; In the slitter device configured to include, Slitter device characterized in that the spacer 45 of a certain height is further provided on the outer circumferential surface of the air chuck (42) of the rewind unit 70 so as to easily fix the large base frame (5). The method of claim 1, The spacer 45 has the same curved surface as the outer circumferential surface of the air chuck 42 on the outside, and protrudes a plurality of supporters 47 in close contact with the outer circumferential surface of the air chuck 42 on the back surface, the support ( A slitter device, characterized in that the screw (46a) through the 47 to be screwed to the air chuck (42). The method according to claim 1 or 2, The pressing unit 50 of the rewind unit 70 A pressure roller 58 for pressing the upper surface of the material 1; A rotating shaft 55 to which a pair of support plates 56 for supporting both ends of the pressure roller 58 are fixed; And a pressurizing cylinder 51 for applying rotational force to the rotating shaft 55, wherein one side of the rotating shaft 55 has a rotation moment on the rotating shaft 55 to finely adjust the pressing force of the pressing roller 58. Slitter device characterized in that the balance waiter 60 is provided to add. The method of claim 3, wherein The balance waiter 60, One end is fixedly coupled to the outer circumferential surface of the rotating shaft 55 and the outer circumferential surface is composed of a fixed rod 61 and a weight weight 65 screwed to the fixed rod 61, the fixed rod 61 The slitter device, characterized in that the stopper 62 is screwed to each side of the weight (65) so that the weight (65) can be stably fixed to any position. The method of claim 1, The scrap recovery unit 80, A scrap roller (81) rotatably coupled to the shaft (82) so that the scrap discharged from the cutting unit (20) can be wound; A drive shaft 86 for transmitting rotational force to the shaft 82; And a drive motor 85 for driving the drive shaft 86, wherein the drive shaft 86 is provided with a friction force adding means 90 for adding a friction load at one end to reduce the rotation speed. Slitter device characterized by the above-mentioned. The method of claim 5, The frictional force adding means 90, A fixed shaft 92 having one end fixedly coupled to the support bracket 91 and the other end inserted into a central portion of one end of the drive shaft 86; A pressure plate 95 screwed to the fixed shaft 92 so as to be moved forward and backward along the longitudinal direction; And a spring (97) arranged on a fixed shaft (92) between one end of the drive shaft (86) and the pressure plate (95).

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