KR100742895B1 - An apparatus for clipping the strip edge in a strip welder - Google Patents

Abstract

The present invention relates to an apparatus for clipping the steel sheet edge portion in the steel plate welder.

The present invention, the upper clamp, the lower frame 31, 32 in the width direction of the steel plate in the side clamp 10, the upper and lower frames 31, 32 are assembled to slide left and right, respectively, Upper and lower knives 35a, 35b, 36a, 36b are provided at the left and right ends of the lower clamps 33a, 33b, 34a, 34b, and the upper and lower clamps 33a, 33b, 34a. Clamp cutting unit 30 for cutting both edges of the leading end of the trailing steel plate (4a) entered between the (34b); The first cylinder 51 for raising and lowering the upper frame 31 with respect to the lower frame 32 And a plurality of upper and lower cylinders 55a, 55b, 56a and 56b which slide the upper and lower clamps 33a, 33b, 34a and 34b in the width direction of the steel sheet. Including a drive unit 50 for adjusting the upper and lower clamps 33a, 33b, 34a, 34b to the width of the preceding steel plate 4b, Prior to steel plate welding Based on the width of the plate cutting edge portion of the front end by a trailing plate it is obtained an effect that can prevent the breakage of the engaging plate and the welded portion in the later process after welding.

Welding Machine, Clipping Device, Clamp, Knife, Cylinder

Description

Steel plate edge clipping device of steel plate welding machine {AN APPARATUS FOR CLIPPING THE STRIP EDGE IN A STRIP WELDER}

Figure 1 (a) is a schematic diagram showing a general steel sheet welding equipment,

Figure 1 (b) is a state in which the width of the wire, the trailing steel sheet different from each other,

2 is a block diagram showing a side clamp of the welding machine according to the prior art,

Figure 3 (a) (b) is an exploded perspective view of the upper and lower clamps employed in the steel sheet edge clipping device of the steel plate welder according to the present invention,

Figure 4 is a working state showing the steel sheet edge clipping apparatus of the steel plate welder according to the present invention,

Figure 5 is a process flow showing a steel sheet edge clipping apparatus of the steel plate welder according to the present invention.

        Explanation of symbols on the main parts of the drawings

10 ..... Entry clamp 20 ..... Entry clamp

31 ..... Upper frame 32 ..... Lower frame

33a, 33b ... upper clamp 34a, 34b ... lower clamp

35a, 35b ... upper knife 34,35 ... suction plate

36a, 36b ... lower knife 51 ... 1st cylinder

55a, 55b ... upper cylinder 56a, 56b ... lower cylinder

57a, 57b ... position meter 58a, 58b ... photosensor

The present invention relates to an apparatus for clipping a steel sheet edge in a steel plate welder, and more particularly, to cut the edge portion of the trailing steel plate tip portion based on the width of the preceding steel sheet before the steel plate welding operation in the welder by the steel sheet information transmitted from the host computer. The present invention relates to a steel sheet clipping device of a steel plate welder that can prevent jamming and plate breakage in the post-welding process.

In general, the work to weld and connect the line and the trailing steel sheet for continuous steel sheet production in the steel mill, as shown in Figs. When the steel sheet uncoiled from Pay Off Reel) 2 is supplied to the welding machine 3 through the cutting machine 2a, the welding machine 3 receives the wires and trailing ends of the wires and trailing steel plates 4a and 4b. Welded connection.

That is, the trailing steel plate 4a supplied from the payoff reel 2 arrives at the welding machine and is positioned on the position meta 15a and 15b attached to the upper and lower clamps 13 and 14 of the entrance clamp 10. When detected, the upper clamp 13 is lowered with respect to the lower clamp 14 positioned by the upper cylinder 11 disposed between the inlet and outlet clamps 10 and 20 so that the line and trailing steel plates 4a are lowered. It will clamp 4b.

Subsequently, after the rear end of the preceding steel plate 4b and the trailing end of the trailing steel plate 4a are cut by the welder sheer not shown, the image sensor camera 5a provided at the inlet and the outlet of the welding machine 3 is provided. (5b) calculates the width deviation of the line and the trailing steel plates (4a) and (4b) to align the trailing steel sheet (4b) as the adjust frame (16) on the basis of the width of the preceding steel sheet (4b). .

When the alignment of the line and trailing steel plates 4a and 4b is completed as described above, the current value is determined by the information data of the steel plate instructed by the host computer, and after welding is performed by the welding wheel, the line and trailing steel plates 4a ( The inlet and outlet clamps 10 and 20 of the welder 3, which was clamping 4b), are opened, and the welded steel sheet is advanced to enter the side clipping shear 6 side.

If the width of the trailing steel plate 4a is smaller than the width of the preceding steel plate 4b on the basis of the welded portion 4c of the steel sheet entering the side clipping shear 6, the process proceeds to the next step without interruption. In the case where the width of the trailing steel sheet 4a is greater than that of the preceding steel sheet 4b or the side clamping operation is to be performed, when the welding portion 4c enters the side clipping 6, the operator manually stops the process line. After side-clipping both edges of the leading end portion of the trailing steel sheet 4a having a large width, the process was carried out again to continuously produce steel products.

However, in such a conventional operation, continuous processing is not performed by welding of the leading and trailing steel sheets 4a and 4b and stopping the line at the side clipping shear 6 to cut both edge portions of the trailing steel sheet ends. As a result, work time is delayed, resulting in reduced production. In addition, in the side clipping shear (3), such as a guide roll of rubber material by the edge of the tip of the trailing steel plate (4a) protruded when the operator cannot continue side clipping due to manual operation and the welding portion continues to the post process To break, thereby causing defects such as dents, thereby lowering the steel sheet quality.

In addition, the edge portion of the trailing end of the trailing steel plate 4a, which is not cut, is brought into contact with the guide table (not shown) installed at the lower part of the pass line, causing breakage of the welded welded portion 4c and stopping operation interruption. It takes a long time to recover the welded steel sheet, there was a problem that the risk of safety accidents of workers during the recovery operation is very high.

Therefore, the present invention has been proposed to solve the above-mentioned conventional problems, the object of which is the trailing steel sheet end portion on the basis of the width of the preceding steel sheet before the steel sheet welding operation in the welder by the steel sheet information transmitted from the upper computer The present invention is to provide an edge clipping device of a steel plate welder that can cut the edge portion and prevent seizure and plate breakage in the post-weld process after welding.

As a technical configuration for achieving the above object, the present invention,

 In the welding machine for welding by welding the line and the trailing steel plate in the inlet and outlet clamp,

The upper and lower frames are provided on the side clamps in the width direction of the steel plate, and upper and lower knives are provided on the left and right ends of the upper and lower clamps which are assembled to the left and right slides on the upper and lower frames, respectively. A clamp cutting portion for cutting both edge portions of the trailing steel plate tip portion entered;

A first cylinder for raising and lowering the upper frame relative to the lower frame, and a plurality of upper and lower cylinders for sliding the upper and lower clamps in the width direction of the steel sheet, the width of the preceding steel sheet (4b) According to the steel sheet clipping device of the steel sheet welder, characterized in that it comprises a drive for adjusting the upper and lower clamps according to.

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

Figure 3 (a) (b) is an exploded perspective view of the upper and lower clamps employed in the steel sheet edge clipping device of the steel plate welder according to the present invention, Figure 4 shows a steel sheet edge clipping device of the steel plate welder according to the present invention 5 is a process flow diagram showing a steel sheet edge clipping apparatus of the steel plate welder according to the present invention.

That is, the apparatus 1 of the present invention, as shown in Fig. 3 (a) (b) to 5, in the welding machine (3) for welding by connecting the line, the rear end of the line, trailing steel plate (4a) (4b) The apparatus 1 is equipped with a clamping portion 30 so as to cut both edge portions of the trailing steel sheet 4a having a width larger than that of the preceding steel sheet 4a before the steel sheet welding operation of the steel sheet. And a driving unit 50.

That is, the clamp cutting portion 30 is provided with the upper and lower frames 31 and 32 in the width direction of the steel plate in the entrance clamp 10, respectively, the lower surface and the lower frame 32 of the upper frame 31. ), The upper and lower clamps 33a, 33b, 34a, 34b, which are composed of a pair of left and right, are assembled to slide left and right, respectively, and the upper and lower clamps 33a, 33b, 34a are respectively assembled. Upper and lower ends 35a, 35b, 36a, and 36b are provided at right and left ends of 34b, respectively.

Here, the upper and lower clamps 33a, 33b, 34a, 34b are trapezoidal rectangular parallelepiped bodies smaller in width than the front so that both edge portions of the trailing steel plate 4a tip can be inclined. The lower surface of the upper frame 31 is formed to protrude a sliding guide jaw (37b) and assembled with the sliding groove (37a) formed on each upper surface of the upper clamp (33a, 33b), the one side On one side of the upper clamp 33a is formed by extending the sliding table 37c assembled with the table groove 37d formed in the other upper clamp 33b, while the lower surface of the lower frame 32 Protruding to form a sliding guide jaw (38b) assembled with the sliding groove (38a) formed on each lower surface of the clamp (34a, 34b), the one side of the lower clamp (34a) of the other lower clamp (33b) Slice assembled with the table groove 38d formed in the Constitute by extending the table (38c). The lower frame 32 is fixed to the lower lifting frame 12b as a bolt member 32a.

Thereby, the upper clamps 33a and 33b assembled in pairs left and right on the lower surface of the upper frame 31 and the lower clamps 34a and 34b assembled in pairs left and right on the upper surface of the lower frame 32. ) Can slide left and right in the width direction of the steel sheet.

In addition, the right and left ends of the upper and lower clamps 33a and 33b are formed with "a" shaped knife mounting grooves 35c and 36c, respectively, so that a plurality of bolt members 35 and 36 are used as slopes. The upper and lower knives 35a, 35b, 36a, and 36b may be mounted, respectively, and the upper and lower knives 35a, 35b, 36a, and 36b may be mounted on the upper and lower knives. It protrudes downward from the lower surface of the upper clamps 33a and 33b so as to cleanly shear the edge portions of the steel sheets disposed between the clamps 33a, 33b, 34a, 34b, and the lower clamps 34a ( It is preferable that the thickness is configured so as to partially protrude from the upper surface of the top surface 34).

In addition, the lower surfaces of the upper clamps (33a, 33b) and the upper surface of the lower clamps (34a, 34b) are provided with adsorption plates (33, 34), respectively, to prevent the steel sheet flow during cutting and welding It is preferable.

On the other hand, the drive unit 50 is connected to the link ring 52 and the rod end mounted on the upper surface of the upper frame 31 via the pin member 52a, the left and right pair of upper clamps 33a ( A first cylinder 51 which raises and lowers the upper frame 31 having the upper frame 31 with respect to the fixed lower frame 32, the left and right ends of the upper clamps 33a and 33b, and the lower clamp 34a; The link rings 54 and 55 mounted on the left and right ends of the blade 34b and the rod ends are connected through the pin members 54a and 55a to fit the width of the trailing steel plate 4a. Upper and lower cylinders 55a, 55b, 56a and 56b for controlling the width between the upper clamps 33a and 33b and between the lower clamps 34a and 34b are provided.

Here, the upper cylinders 55a and 55b are fixed to the upper lifting frame 12a, and the lower cylinders 56a and 56b are members fixed to the lower lifting frame 12b.

The upper and lower clamps slid left and right by the upper and lower cylinders 55a, 55b, 56a and 56b at left and right ends of the upper and lower clamps 33a, 33b, 34a and 34b. The position meters 57a and 57b are respectively provided so that the left and right movement distances of the 33a, 33b, 34a, and 34b can be determined, and the upper and lower clamps 33a, 33b, 34a, and 34b enter between them. The photosensors 58a and 58b corresponding to each other are provided to detect the steel sheet.                     

The operation and effects of the present invention having the configuration as described above will be described.

In order for the trailing steel plate 4a, which is released from the coil inserted into the pay-off reel, to be welded to the rear end of the preceding steel plate 4b, the tip of the trailing steel plate 4a is welded to the welding machine 3 through the side clamp 10. In the controller, a controller (not shown) that receives the width information of the leading and trailing steel plates 4a and 4b from the host computer determines the amount of the tip of the trailing steel plate 4a based on the width of the preceding steel plate 4b. Calculate the length of the branch to be cut.

Then, in order to match the amount of cutting of the edge portions of the trailing steel plate 4b tip calculated by the controller, the upper cylinders 55a and 55b and the lower clamps assembled to the left and right ends of the upper clamps 33a and 33b. The left and right pair of upper clamps 33a in which the sliding grooves 37a are assembled into the sliding guide jaws 37b of the upper frame 31 while the lower cylinders 56a and 56b assembled at the left and right ends of the 34a and 34b are operated. At the same time as the width between the) (33b) is adjusted, and between the left and right pair of lower clamps (34a, 34b) of the sliding groove 38a is assembled to the sliding guide jaw (38b) of the lower frame (32) It also slides to adjust width.

In addition, the amount of movement of the upper and lower clamps 33a, 33b, 34a and 34b by the upper and lower cylinders 55a and 55b is positioned in the left and right ends of the position meta 57a and 57b, respectively. And the measured movement amount is matched with each other in comparison with the indication value transmitted from the controller side, which is made by the photosensors 58a and 58b.

When the left and right movements of the upper and lower clamps 33a, 33b, 34a and 34b are completed as described above, the lower lifting frame is operated by lowering and operating the first cylinder 51 fixed to the upper lifting frame 12a. The upper frame 31 is lowered with respect to the lower frame 32 fixed to 12b).

In this case, both edges of the tip of the trailing steel plate 4a disposed between the upper clamps 33a and 33b of the trapezoid trapezoid having a smaller width than the leading edge and the lower clamps 34a and 34b are formed on the upper and lower ends. The right triangle is made in accordance with the width of the preceding steel plate 4b by the intersection of the upper and lower knives 35a, 35b, 36a, 36b disposed at the left and right ends of the clamps 33a, 33b, 34a, 34b. Cut into shapes.

In this case, the trailing steel plate 4a is firmly fixed by the suction plates 33 and 34 formed on the upper and lower surfaces of the upper and lower clamps 33a, 33b, 34a and 34b. Since the spaces between the tables 37c and 38c, the upper and lower clamps 33a, 33b, 34a and 34b are very narrow, and the sliding tables 37c and 38c are formed in large numbers, It is possible to clamp the trailing steel sheet 4a until the welding process is completed while cutting the both edges without inflection of the trailing steel sheet 4a.

Then, when all of the cutting work for both edge portions of the trailing steel sheet 4a and the welding work for welding and connecting between the front end of the cut trailing steel plate 4a and the rear end of the preceding steel plate 4b are completed, the upper frame 31 is spaced upward from the lower frame 32 by the upward return operation of the first cylinder 51, and is returned to the original position, and the upper and lower clamps 33a, 33b, 34a, 34b are also upward. Backward return operation is performed by the backward return operation of the lower cylinders 55a, 55b, 56a and 56b.

In addition, the welded steel sheet is line-shifted to a post process, and the scrap of the trailing steel sheet 4a cut by the upper and lower knives 35a, 35b, 36a, and 36b passes through the conveyor 7. It is discharged to the scrap box (8).

According to the present invention as described above, the amount of the trailing steel sheet 4a on the basis of the width of the preceding steel sheet 4b before the steel plate welding operation in the welder 3 for welding the connecting lines and trailing ends of the line and the trailing steel sheet. By cutting the edge part obliquely, it is not necessary to stop the line operation and clip the side in the side clipping shear arranged at the exit side of the welding machine as in the prior art, so that steel products can be produced continuously without time delay caused by the process interruption. To prevent the reduction of equipment, and to prevent the damage of equipment such as the roll of the laver material when the steel sheet is in progress, and to prevent the dent defects accordingly, to improve the quality of the steel sheet, and to prevent the breakage of the welded part to prevent worker accidents. A preventable effect is obtained.

While the invention has been shown and described with respect to specific embodiments thereof, it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit or scope of the invention as set forth in the claims below. I would like to clarify that knowledge is easy to know.

Claims (4)

In the welding machine for welding by clamping the line and the trailing steel plates (4a) and (4b) in the inlet and outlet clamps (10) and (20), The upper and lower clamps having the upper and lower frames 31 and 32 in the width direction of the steel plate in the entrance clamp 10, and assembled on the upper and lower frames 31 and 32 so as to slide left and right, respectively. The upper and lower knives 35a, 35b, 36a and 36b are provided at the left and right ends of the left and right ends 33a, 33b, 34a and 34b, respectively. A clamp cutting portion 30 for cutting both edge portions of the leading portion of the trailing steel plate 4a entered between them; A first cylinder 51 for raising and lowering the upper frame 31 with respect to the lower frame 32 is provided, and the upper and lower clamps 33a, 33b, 34a, 34b are left and right in the width direction of the steel sheet. A plurality of upper and lower cylinders 55a, 55b, 56a and 56b for sliding movement are provided so that the upper and lower clamps 33a, 33b, 34a and 34b match the width of the preceding steel sheet 4b. Steel plate edge clipping apparatus of the steel plate welder, characterized in that it comprises a drive unit (50) to adjust. The method of claim 1,   The upper and lower clamps 33a, 33b, 34a and 34b are made of an trapezoidal rectangular parallelepiped body having a smaller width than the front so as to obliquely cut both edges of the trailing steel plate 4a. The lower surface of the upper frame 31 protrudes and forms a sliding guide jaw 37b assembled with the sliding grooves 37a formed on the upper surfaces of the upper clamps 33a and 33b. One side surface of the lower frame 32 is formed by extending the sliding table 37c assembled with the table groove 37d formed in the other upper clamp 33b, and on the upper surface of the lower frame 32. Protruding the sliding guide jaw (38b) is assembled with the sliding groove (38a) formed on each lower surface of the 34a) (34b), and formed on the other lower clamp (33b) on one side of the one lower clamp (34a) Sliding table assembled with table groove 38d Steel plate edge portion clipping apparatus of the steel plate welder, characterized by extending (38c). The method of claim 1, The upper and lower clamps which are slid left and right by the upper and lower cylinders 55a, 55b, 56a and 56b at left and right ends of the upper and lower clamps 33a, 33b, 34a and 34b. (33a) The position meters 57a and 57b are respectively provided so that the left and right movement distances of the 33b, 34a and 34b can be determined, and the upper and lower clamps 33a, 33b, 34a and 34b enter between them. Steel sheet clipping device of the steel sheet welder, characterized in that it comprises a photo sensor (58a) (58b) corresponding to each other so as to detect the steel sheet. The method of claim 1, Adsorption plates 33 and 34 are respectively installed on the lower surfaces of the upper clamps 33a and 33b and the upper surfaces of the lower clamps 34a and 34b to prevent steel sheet flow during cutting and welding. Clipping device of the steel plate edge of the steel plate welding machine.

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