KR200197998Y1 - Safty device for double cutting machine with electric steel sheet making apparatus - Google Patents

Abstract

The present invention relates to a double cutter safety device of the electrical steel sheet manufacturing equipment, in particular, in the double cutter of the electric sheet manufacturing equipment, a frame in which a guide groove 38 for guiding the vertical movement of the operation guide bar 26 is formed ( The rotary stopper is installed on the front surface of the front side to be rotated by the center pin 36, and is opened and closed to open and close the guide groove 38 by contact rotation by the cloth touch bar 21 and the open touch bar 37, respectively. 30); It is installed to rotate left and right by the center pin 33 on the front of the side clamp (22-1), and is seated on the upper portion of the lower knife (23-1) by the guide groove (31-1) while the lower knife (23-) It relates to a double cutter safety device of the electrical steel sheet manufacturing equipment, characterized in that consisting of a rotating plate 31 for automatically removing the accumulated scrap on the top of 1).

Description

Double Cutter Safety Device for Electric Steel Sheet Manufacturing Equipment

The present invention relates to a safety device for a double cutter of an electrical steel sheet manufacturing equipment, in particular, during cutting of a steel plate, knife replacement, and scrap drawing from a lower knife in a double cutter that simultaneously cuts the leading end of the preceding coil and the leading end of the trailing coil. The present invention relates to a double cutter safety device for an electrical steel sheet manufacturing equipment which can prevent a worker's safety accident.

In general, a main carriage 27 is installed between the entrance and exit side clamps 22-1 and 22-2 as shown in FIGS. 1 and 2 in an electrical steel coil preparation system. The carriage (Main Carriage) (27) is provided with a double cutting machine (23) so as to advance back and forth across the entry and exit side clamp while the welding torch 25 is installed on the top.

Here, the rear end of the preceding coil is fixed to the exit clamp 22-2, the leading end of the trailing coil is fixed to the entrance clamp 22-1, and the double cutter 23 moves forward between the entry and exit clamps, (23-1) is lowered to the lower knife (23-2) by the cylinder (24).

At this time, the upper knife (23-1) is the entry and exit side clamp (22-1, 22-) mounted on the upper portion of the lower knife (23-2) without swinging by the operation guide bar 26 is inserted into the guide groove 38 The trailing end of the preceding coil and the trailing coil end of 2) are cut at the same time.

Then, the rear end of the preceding coil and the leading end of the trailing coil cut by the double cutter 23 are treated with scrap and accumulated in the lower knife 23-2.

Meanwhile, in the related art, a separate safety device is used for cleaning the scraps of the coils stacked on the lower knife 23-2, replacing the upper and lower knives 23-1 and 23-2, and welding the coils by the welding torch 25. There is a problem that a safety accident of the operator is caused by the malfunction of the double cutter (23).

The present invention provides a safe stopper operation by installing a rotary stopper for controlling the operation guide bar to move the guide groove up and down, and a rotary plate on the lower knife, and an electrical steel sheet capable of automatically removing the scrap of the coil from the lower knife. Its purpose is to provide a safety device for double cutters in manufacturing facilities.

1 is a schematic view showing an electrical steel sheet manufacturing equipment.

2 is a main portion perspective view showing a cutting machine of the electrical steel sheet manufacturing equipment according to the prior art.

3 is a main portion perspective view showing a cutting machine equipped with a safety device according to the present invention.

* Explanation of symbols for main parts of the drawings

1: steel sheet 2: pay-off reel

3: Thickness gauge 4: Flatner

5: tension reel 7: welding machine

8: cutter 9: side trimmer

10 coil 11 coil car

12 cylinder 13: winding coil

14, 15: steel guide 21: cloth touch bar

22-1: Vertical clamp 22-2: Outlet clamp

23: double cutter 23-1: lower knife

23-2: upper knife 24: cylinder

26: operation guide bar 27: main carriage

30: rotating stopper 31: rotating plate

31-1: Guide groove 32: Stopper

33: center pin 36: center pin

38: guide groove 40: frame

41: fixed plate

In order to achieve the above object, the present invention is installed in the double cutting machine of the electrical steel sheet manufacturing equipment, is installed to be rotated by the center pin on the front side upper surface of the frame is formed a guide groove for guiding the vertical movement of the operation guide bar, A rotary stopper for opening and closing the guide groove while being in contact contact rotation by the cloth touch bar and the open touch bar; Electrical steel plate is installed on the front of the side clamp to be rotated left and right by a center pin, and is composed of a rotating plate that is seated on the upper part of the lower knife by the guide groove to automatically remove the scrap accumulated on the upper part of the lower knife. Provide double cutter safety devices for manufacturing facilities.

The configuration of the present invention will be described with reference to the drawings.

3 is a main portion perspective view showing a cutting machine equipped with a safety device according to the present invention.

First, the rotary plate 31 of the square plate installed at the front of the entrance clamp 22-1 is rotatably coupled to the center pin 33 fixed at the front center portion of the entrance clamp 22 so that the center pin 33 is rotated. Rotate left and right about the center.

At this time, the rotating plate 31 is approximately The male guide groove 31-1 is formed to be located opposite to the center pin 33, and the inner side of the two lower knives 23-1 is inserted into the guide groove 31-1.

The pair of stoppers 32 are fixed to the front surface of the entrance clamp 22-1 so as to be positioned at the lower left and right sides of the center pin 33, respectively, and the rotating plate 31 rotated left and right about the center piece is It is supported by the stopper 32 to be level.

Here, the rotary plate 31 is rotated to the left by the manual operation when the double cutter 23 is rotated to the right when it is reversed after the cutting operation and then is advanced to perform the cutting operation. It is seated on the rear side of the top.

At this time, the rotating plate 31 is left end is in close contact with the inner surface of the lower left knife 23-1, the guide groove 31-1 is inserted into the lower right knife 23-1, the double cutter 23 is Advance between the entry and exit clamps (22-1, 22-2), the scrap accumulated between the lower knife is automatically removed by the rotating plate.

On the other hand, the fixing plate 41 is welded to the upper portion of the guide groove 38 formed perpendicular to the upper surface of the front side of the frame 40, and the rotating stopper 35 is formed on the upper surface of the fixing plate 41 by the center pin ( It is installed so that rotation is possible by 36).

That is, the rotary stopper 35 formed in a substantially hooked shape is rotatably coupled to the center pin 36 fixed to the guide hole of the fixing plate 41 to open and close the upper portion of the guide groove 38. .

Therefore, when the rotary stopper 35 is out of the upper portion of the guide groove 38, the operation guide bar 26 can be inserted into the guide groove. When the rotary stopper closes the upper portion of the guide groove, the operation guide is rotated by the rotary stopper. Lowering is impossible, and eventually the upper knife 23-2 is not lowered.

At this time, the close touch bar 21 formed in a substantially L shape has a front of the double cutter 23 in a state in which the double cutter 23 completely exits between the entry and exit clamps 22-1 and 22-2. It is installed so as to be spaced apart from the side, the open touch bar (37) is in the opposite operation to the cloth touch bar 21, the double cutter 23 is fully inserted between the entry and exit side clamp (22-1, 22-2) Is installed in the front center portion of the exit clamp 22-2 of the double cutter 23.

Here, the rotary stopper 30 contacts the upper end of the cloth touch bar 21 when the double cutter 23 completely cuts out between the entry and exit clamps 22-1 and 22-2 after cutting. Rotate to close the guide groove 38.

When the double stopper 23 is fully inserted between the entry and exit side clamps 22-1 and 22-2 to cut the coil, the rotary stopper 30 comes into contact with the open touch bar 37 to move away from the guide groove 38. do.

Hereinafter, the operation of the present invention.

First, when the rear end of the preceding coil is fixed to the exit clamp 22-2, and the front end of the trailing coil is fixed to the entrance clamp 22-1, the double cutter 23 is rotated while the rotating plate 31 is rotated to the right. Go forward.

At this time, while the double cutter 23 is completely inserted between the entry and exit side clamps 22-1 and 22-2, the open touch bar 37 hits the rotary stopper 30 to open the guide groove 38, and the upper knife ( 23-2) is lowered while being guided by the operation guide bar 26 by the operation of the cylinder (24).

In addition, when the cutting operation is completed, the double cutter 23 is reversed while exiting between the entry and exit clamps 22-1 and 22-2, and at this time, the double cutter 23 enters and exits the clamps 22-1 and 22-2. When fully escaped between the), the upper end of the cloth touch bar 21 hits the rotary stopper 30 to cause the rotary stopper 30 to close the top of the guide groove 38.

As a result, the actuation guide bar 26 is prevented from falling by being inserted into the guide groove 38 by the rotation stopper 30, and eventually causing the upper knife 23-2 to be lowered due to a malfunction. .

On the other hand, when the scrap is accumulated on the upper part of the lower knife 23-1 by the above process, the rotary plate 31 is in the state in which the double cutter 23 completely escapes between the entry and exit side clamps 22-1 and 22-2. Rotate to the left to rest on top of the rear side of the lower knife.

When the double cutter 23 moves forward for the cutting operation, the scrap accumulated on the lower knife 23-1 is caught by the rotation plate 31 and automatically falls to the front side of the frame 40.

The present invention provides a safe stopper operation by installing a rotary stopper for controlling the operation guide bar to move the guide groove up and down, and a rotary plate on the lower knife, and the effect of automatically removing the scrap of the coil from the lower knife. to provide.

Claims (1)

In the double cutter 23 of the electrical steel sheet manufacturing equipment, the center pin 36 is formed on the front surface of the frame 40 on which the guide groove 38 for guiding the up / down movement of the operation guide bar 26 is formed. Is installed so as to rotate by the contact, rotated in contact with each other by the open touch bar (37) installed in the front center of the close touch bar 21 and the outlet clamp 22-2 installed to be spaced apart on the front side of the double cutter (23) A rotary stopper 30 for opening and closing the guide groove 38; It is installed to rotate left and right by the center pin 33 on the front surface of the entrance clamp (22-1), and is always seated on the upper portion of the lower knife (23-1) by the guide groove (31-1) 1) Double cutter safety device of the electrical steel sheet manufacturing equipment, characterized in that consisting of a rotating plate 31 for automatically removing the accumulated scrap on the top.