KR100388189B1 - Apparatus for shearing a material panel - Google Patents

Abstract

A shearing apparatus for processing blank materials for forming parts provided in pairs symmetrical with each other, such as automobile body fenders, is disclosed. The injected material is placed and supported on the lower mold 12. The upper mold 13 shears the material supported by the lower mold to form first and second materials 5 and 6 of symmetrical shapes. The first discharge part for discharging the first raw material to the front of the lower die is composed of a plurality of conveying rollers 14 arranged in parallel with the direction of loading of the raw material on the lower side of the first raw material of the lower die, the lower roller is arranged The front side of the mold is inclined at a predetermined angle. The second discharge part for discharging the second material in the lateral direction of the lower mold is provided with a plurality of bearing members 15 arranged to support the lower surface of the second material under the second material of the lower mold, and on one side of the lower mold. And a striking cylinder 16 for striking the second material in a direction perpendicular to the material input direction such that the second material is discharged in the lateral direction of the lower mold by riding the bearing members.

Description

Shear processing device {Apparatus for shearing a material panel}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shearing apparatus for processing blank materials for forming parts provided in pairs symmetrical to each other, such as automobile body fenders.

BACKGROUND ART In general, automobiles form an engine that generates driving force, a power transmission device that transmits the driving force of the engine to wheels, a suspension device that absorbs vibrations and shocks from a road surface, a steering device for adjusting a traveling direction, and a skeleton of an automobile. It consists of many parts, such as the frame and the body of the car.

Among them, as shown in FIG. 1, the front fender 1 or the rear fender 2 forming the vehicle body side surface is provided on the left and right sides of the vehicle body, respectively, and each has a symmetrical shape.

As shown in Fig. 2, such a body fender is formed by cutting a steel plate having a predetermined size by oscillating to form blanks 2 and 4 having symmetrical shapes, and then drawing the fender by drawing. Mold into shape.

However, when the raw material is simply cut by oscillating as described above, since the cutting line of the raw material must be straight, the shape of the cut blank material is not suitable for drawing processing, which has a disadvantage in inferior moldability. In addition, the amount of unnecessary waste is increased by cutting the raw material in a straight line, which may cause a cost increase.

The present invention has been made in view of the above, and in the manufacture of parts made of pairs of symmetrical shapes, not only can the blank material be molded into a shape suitable for drawing, but also the waste of material can be reduced. It is an object of the present invention to provide a shearing apparatus for forming a blank material.

1 is a side view of a typical car.

FIG. 2 is a plan view showing a blank material for forming the body fender shown in FIG. 1. FIG.

Figure 3 is a plan view showing a blank material sheared in accordance with the present invention.

Figure 4 is a plan view showing a shearing apparatus according to an embodiment of the present invention.

FIG. 5 is a cross-sectional view taken along the line VV of FIG. 4. FIG.

FIG. 6 is a cross-sectional view taken along the VI-VI line of FIG. 4. FIG.

Explanation of symbols on the main parts of the drawings

5, 6; Material 12; Lower mold

13; Upper mold 14; Feed roller

15; Bearing member 16; Blow cylinder

18; Feed roller

The above object is, the lower mold into which the material to be molded is placed; An upper mold installed on an upper side of the lower mold, the upper mold having a cutter for shearing a material raised on the lower mold to form first and second materials; Means for discharging the first material to the front of the lower mold; And means for discharging the second material in the lateral direction of the lower mold.

The first discharge part is composed of a plurality of conveying rollers arranged parallel to the feeding direction of the raw material under the first raw material of the lower die, and the front side of the lower die on which the rollers are arranged is inclined at a predetermined angle.

The second discharge part is provided with a plurality of bearing members arranged to support the lower surface of the second material under the second material of the lower mold, and installed on one side of the lower mold so that the second material rides the bearing members in the lateral direction of the lower mold. And a striking cylinder for striking the second material in a direction perpendicular to the material input direction to be discharged. According to a preferred embodiment of the present invention, the second discharge portion is arranged on the opposite side of the striking cylinder in a direction perpendicular to the conveying direction of the material so that the second material discharged through the bearings can be moved more smoothly. It includes more.

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

4 is a plan view showing a shearing apparatus according to an embodiment of the present invention, Figure 5 and Figure 6 is a cross-sectional view taken along the line V-V and VI-VI of Figure 4, respectively.

As shown, the shearing apparatus according to an embodiment of the present invention comprises a lower mold 12, an upper mold 13, a first discharge portion, a second discharge portion.

The parent material is introduced from the rear of the lower mold 12 and placed on the lower mold 12, and the upper mold 13 is provided on the upper side of the lower mold 12 so as to be lifted and lowered. The mold 12 has cutters 22, 24, 26, 28 for cutting the parent material into the first and second workpieces 5, 6, respectively, as shown in detail in FIG. 6. The cutters 22, 24, 26, 28 are arranged in the molds 12, 13 along the shape of the materials 5, 6 to be formed. The parent material is placed on the lower mold 12 and then the upper mold When 13 moves downward, the first material 5 and the second material 6 are separated and formed from the parent material by the cutters 22, 24, 26, and 28. Then, the lower mold 12 The front side of is inclined at approximately 14 to 16 degrees, preferably 15 degrees, and a plurality of feed rollers 14 are arranged parallel to the feeding direction of the material. These conveying rollers 14 constitute the first discharge portion. Some of the conveying rollers 14 are also arranged on the rear side of the inclined surface of the lower mold 12, the arrangement of which corresponds to the shape of the first raw material 5. Therefore, the portion to be formed of the first raw material 5 by the shearing process is located on the upper side of the conveying rollers 14 and the rear side thereof is supported in contact with the conveying roller 14 arranged not on the inclined surface.

In addition, a plurality of bearing members 15 are arranged at the rear side of the conveying roller 14 of the lower mold 12. These bearing members 15 support the lower surface of the portion to be processed into the second material 6 of the parent material.

In addition, the impact cylinder 16 is installed at one side of the lower mold 12 in which the bearing members 15 are arranged. This striking cylinder 16 is used for striking the second workpiece 6 in the direction perpendicular to the conveying direction of the workpiece after the workpiece is processed. The rod end of the striking cylinder 16 is equipped with a shock absorbing member 17 made of rubber or the like to prevent deformation of one end of the second raw material 6 due to collision between metals. On the opposite side of the cylinder 16 of the lower mold 12, a plurality of conveying rollers 18 are arranged at right angles to the feed direction of the raw material. These bearing members 15, the striking cylinder 16, the conveying rollers 18 constitute a second outlet.

In addition, the conveyance conveyor 19 and the 1st material loading part 20 are located in front of the lower metal mold | die 12, and the 2nd loading part 21 is located adjacent to the feed roller 18 of a 2nd discharge part. It is.

The operation of the shearing apparatus according to an embodiment of the present invention having such a configuration is as follows.

When the material is put in place from the rear of the lower mold 12 and placed in place, the upper mold 13 is lowered so that the cutters 22, 24, 26, 28 of the upper mold 13 and the lower mold 12 meet each other. As a result, the raw material is formed of the first raw material 5 and the second raw material 6. When the upper die 13 is raised, the first material 5 separated from the parent material is placed on the inclined surface with the center of gravity thereof, and is placed on the conveying roller 14 arranged on the inclined surface by being lowered by gravity. It is conveyed to the conveyor 19 by rotation of the roller 14. The material transferred to the conveyor 19 is transferred to the first loading unit 20 along the conveyor 19 and loaded.

On the other hand, when the upper die 13 is raised, the blow cylinder 16 constituting the second discharge portion is operated to strike the second raw material 6 toward the second stacking portion 21. Accordingly, the second material 21 supported on the bearing members 15 is moved to the second stacking portion 21 by riding the bearing members 15 and the conveying rollers 18, so that the second stacking portion ( 21) is loaded.

The present invention as described above, by molding the blank material for the production of parts manufactured in pairs of symmetrical shape by shearing, the shape of the blank material can be molded into a shape that is advantageous for drawing processing material The moldability of the material is greatly improved, and accordingly, waste of unnecessary materials can be minimized, thereby greatly reducing the cost. Further, by simultaneously processing a pair of blank materials symmetrical to each other by shearing and discharging them in different directions, the workability can be greatly improved.

In the above, the present invention has been illustrated and described with respect to certain preferred embodiments. However, the present invention is not limited only to the above-described embodiments, and those skilled in the art to which the present invention pertains can vary as many without departing from the spirit of the technical idea of the present invention described in the claims below. Modifications may be made.

Claims (4)

A lower mold into which the material to be molded is placed; An upper mold installed on an upper side of the lower mold, the upper mold having a cutter for shearing a material raised on the lower mold to form first and second materials; Means for discharging the first material to the front of the lower mold; And And a means for discharging the second raw material in the lateral direction of the lower mold. The method of claim 1, wherein the means for discharging the first material comprises a plurality of conveying rollers arranged in parallel with the direction of loading of the material on the lower side of the first material of the lower mold, Shear processing apparatus, characterized in that the front side of the lower die is inclined at a predetermined angle. The method of claim 1, wherein the means for discharging the second material is a plurality of bearing members arranged to support the lower surface of the second material below the second material of the lower mold, and installed on one side of the lower mold And a striking cylinder for striking the second material in a direction perpendicular to the material input direction such that the second material is discharged in the lateral direction of the lower mold by riding the bearing members. 4. The method of claim 3, wherein the second material discharging means is arranged on the opposite side of the striking cylinder in a direction perpendicular to the conveying direction of the material so that the second material discharged through the bearings can be moved more smoothly. Shear processing apparatus further comprises a roller.