JPH11170112A - Deburring device of steel product - Google Patents

Abstract

PROBLEM TO BE SOLVED: To efficiently and automatically remove the cut burr of a steel product with a simple structure without increasing the running cost by pressing the steel product through between obliquely arranged bars so that upper and lower edge parts on both surface sides make contact with the bars. SOLUTION: When a steel product 2 is passed through pinch rolls 4, a cylinder 10 is contracted to move a bar 9A upward and move a bar 9C downward. When the steel product 2 reaches between four bars 9, the cylinder 10 is extended, and a cylinder 10' is contracted, whereby the bars 9A, 9B, 9C, 9D are brought into contact with upper and lower edge parts on both side surfaces of the steel product 2. When a slide base 6 is slightly slid on a passage side, a proper pressurizing force can be provided, and the burr of the edge parts of the steel product 2 are scraped off by pressing the steel product 2 in this state. In this work, the reaction added to the steel product 2 can be canceled, and this device can easily react to the difference in width or thickness of the steel product 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for removing burrs from steel, and more particularly to an apparatus for removing burrs from steel cut out from a steel plate.

[0002]

2. Description of the Related Art In a manufacturing process of a structure, a strip-shaped steel material cut out from a steel plate to a predetermined size (hereinafter referred to as a steel material).
Is used. Usually, gas cutting or plasma cutting is performed to cut the steel material, and cutting burrs are attached to the edge portion of the cut surface. Therefore, the cutting burrs must be removed. Conventionally, the work of removing cutting burrs has often been performed manually, such as hitting with a hammer, and has been extremely inefficient.

[0003] As shown in FIG.
There is also known a device in which a steel sheet 2 is sandwiched in a sandpaper 1 and the sandpaper 1 is rotated while applying a pressing force by a pressing roller 3 to remove burrs. Yes. Although this device is effective regardless of the shape of the steel material, the sandpaper wears quickly and must be replaced frequently, and problems are pointed out in terms of running cost and work speed, and industrially, Not in practical use.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to provide an apparatus which has a simple structure, requires little running cost, is efficient, and can automatically remove cutting burrs of a steel material.

[0005]

SUMMARY OF THE INVENTION According to the present invention, a steel material is inserted between the upper and lower pinch rolls by adjusting the distance between the pinch rolls. A bar was tilted downward and a steel material was pushed between the bars by a pinch roll. The bar is inclined to the edge of the cut surface of the steel material, and the bar can be swung up and down and slid left and right.

[0006]

Embodiments of the present invention will be described below. Reference numeral 4 denotes a pinch roll provided so as to be able to adjust the interval, and sandwiches the steel material 2 between the pinch rolls 4.
The rotation allows the steel material to be pushed through. Reference numeral 5 denotes a bar device disposed downstream of the pinch roller 4, which is fixed to the slide base 6, a lever 7 pivotally attached to the slide base 6, and inclined downward and upward to the lever 7. And an auxiliary table 8 on which a swing actuator for swinging the lever 7 is mounted.

The slide base 6 is slidable in a direction orthogonal to the path of the steel material 2 extruded by the pinch roll 4 by operating a cylinder 12 as a slide actuator. Reference numeral 13 denotes a guide bar for receiving the slide table 6.
The lever 7 is mounted on the slide base 6 by a rotating shaft 11, and can swing vertically by the operation of a cylinder 10, which is a swing actuator connected to the tip end.
Reference numeral 8 denotes an auxiliary table on which the cylinder 10 is mounted. The auxiliary table 8 is slidable in a direction orthogonal to a path along which the steel material 2 is extruded by the operation of the cylinder 14 which is a slide actuator. Fifteen
Is a guide bar for receiving the auxiliary table 8. Note that the slide table 6 and the auxiliary table 8 can be integrated.

A bar 9A that is inclined upward and a bar 9C that is inclined downward are fixed to the lever 7 on both sides of the rotating shaft 11. The bar devices 5 have the same configuration and are arranged as a pair on the left and right of the path of the steel material 2. Note that one of the bar devices 5 may be configured not to slide. Bars 9A, 9B, 9 of left and right bar devices 5, 5
C and 9D are arranged in a zigzag pattern.
And 9D are inclined upward, and 9B and 9C are inclined downward.
C and 9D may be arranged downward or vice versa.

The lever 7 is swung up and down around the rotation shaft 11 by the operation of the cylinder 10.
By this swing, the pair of bars 9A and 9C fixed with the rotating shaft 11 interposed therebetween are both pressed against the end face of the steel material 2 or located away from the end face. At this time, since the pair of bars are fixed to one lever, the pressing force of each bar becomes substantially constant. Then, the bar is pressed against the steel material 2 at a predetermined pressure by slightly sliding the slide table 6 with the bar applied to the steel material 2.

The operation of the burr removing device having such a configuration will be described. First, the steel material 2 is passed between the pinch rolls 4. At this time, the cylinder 10 has been reduced, the bar 9A has been moved upward, and the bar 9C has been moved downward. In the bar arrangement of FIG. 1, the cylinder 10 'is extended, the bar 9D is moved up, and the bar 9B is moved down. And 4
When the steel material 2 reaches between the bars 9, the cylinder 10 is extended and the cylinder 10 'is reduced, so that the bars 9A, 9B, 9C,
9D is contacted. Therefore, when the slide base 6 is slightly slid to the path side, an appropriate pressing force is obtained, and when the steel material 2 is extruded in this state, burrs on the edge of the steel material 2 are scraped off.

In this operation, since the bar 9 is slidable and is obliquely applied to the upper and lower edges of both sides of the steel material 2, the reaction force applied to the steel material 2 can be canceled and the steel material 2 is straightened. Can be sent to Further, it is possible to easily cope with the difference in width and thickness of the steel material 2. In addition, if an air cylinder is used as a cylinder as an actuator, it can easily follow the change in the state of the burr of the steel material. Further, the bar is not limited to a round bar, but may be a square bar. If a material having a hardness higher than that of steel is used, abrasion is small. In the above description, the steel material 2 is extruded with the pinch roll 4, but the pinch roll 4 may be arranged at an appropriate position and the steel material 2 may be pulled out. Further, as shown in FIG. 2, the burr removing device according to the present configuration can be incorporated in a stage preceding the steel material chamfering device 16 and used as a series of facilities.

[0012]

According to the present invention, the steel material is pushed between the diagonally arranged bars so that the upper and lower edges on both sides thereof come into contact with the bar, so that the cutting burrs of the steel material are scraped with the bar. It can be dropped, cutting burrs of steel material efficiently,
It can now be removed automatically.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a main part structure of the present invention.

FIG. 2 is a schematic diagram showing a use example of the present invention.

FIG. 3 is an explanatory view showing an outline of a known burr removing device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Sandpaper 2 Steel material 3 Pressure roller 4 Pinch roll 5 Bar device 6 Slide stand 7 Lever 8 Auxiliary stand 9 Bar 10, 10 ', 12, 14 Cylinder 11 Rotary shaft 13, 15 Guide bar 16 Chamfering device

Claims (2)

[Claims] 1. A pinch roll arranged vertically and a pinch roll which is shifted in phase and arranged upward and downward at a stage subsequent to the pinch roll so that the interval can be adjusted. A deburring device for a steel material, which is capable of swinging and sliding in the left and right directions. 2. The bar according to claim 1, wherein the bar is fixed to a lever that is pivotally mounted on a slide table and swings up and down by a swing actuator, with the pivot point interposed therebetween in an upward and downward direction. Deburring device for steel products.