JPH06312262A - Cutting machine - Google Patents

Abstract

PURPOSE:To reduce the working hour and to improve the cutting precision and the cutting quality by providing a rotary mechanism to rotate a holding member to hold a working head to cut the work in the vertical plane. CONSTITUTION:A working head 10 is held by a holding member 21. The work is set on a cutting machine, and the work is cut by driving an X-axis driving device and a Y-axis driving device, moving upper and lower supporting members in the vertical direction, and moving the working head 10 according to the preset programmed steps. After the horizontal part of the work is cut, a motor 34 is driven to rotate the working head 10 by 90 deg. through a case 26. As a result, the working head 10 is set opposite to the vertical part of the work. The vertical part is cut by moving the upper and lower supporting members in the vertical direction. Cutting is executed by only one working head, allowing the working precision to be uniform.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cutting machine for cutting a work having a three-dimensional shape such as shaped steel.

[0002]

2. Description of the Related Art Conventionally, for example, in order to cut shaped steel for ships and bridges (equal side, unequal side thickness steel, valve plate, flat bar, etc.), an operator must use a blower or other fusing machine. I carry it by hand.

[0003]

However, in the prior art, since the shaped steel or the like is manually cut, it takes a lot of working time, and there is a possibility that the cutting accuracy and the cutting quality may vary. .

The present invention has been made in view of the above circumstances, and it is possible to significantly reduce the processing time, and
An object of the present invention is to provide a cutting machine that can make the cutting accuracy and the cutting quality uniform.

[0005]

A cutting machine according to the present invention is a cutting machine for cutting a work having a three-dimensional shape such as shaped steel.
A holding member for holding a processing head for cutting the work, and a rotating mechanism for rotating the holding member in a vertical plane are provided.

[0006]

According to the cutting machine of the present invention, after the horizontal portion such as shaped steel is cut by the machining head, the rotating mechanism is driven to rotate the holding member holding the machining head in the vertical plane, The vertical portion of the shaped steel or the like is cut by rotating the processing head.

As described above, since the cutting is performed by one machining head, the machining head can be easily centered and further,
It is possible to make the processing quality and processing accuracy uniform. Further, since the processing head can be rotated by rotating the rotating mechanism, the horizontal portion and the vertical portion can be continuously cut, and the cutting time can be significantly shortened.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A cutting machine according to an embodiment of the present invention will be described below with reference to the drawings.

As shown in FIG. 1, a rail 3 is fixed on a fixed base 1, and a movable base 2 moves on the rail 3 in a direction orthogonal to the plane of the drawing (hereinafter referred to as the X-axis direction). It is possible to install. The movable base 2 is moved by an NC-controlled X-axis direction drive device 4 shown in FIG.

A movable base 5 is attached so as to be movable along the lengthwise direction of the movable base 2 (hereinafter referred to as the Y-axis direction), and a torch block is mounted on the movable base 5 via an arm member 6. 7 is fixed. The movable table 5 is shown in FIG.
It is moved by the NC-controlled Y-axis direction drive device 8 shown in FIG.

FIG. 4 shows a detailed drawing of the torch block 7. That is, the torch block mount 11 is mounted on the tip of the arm member 6 via the Z ′ axis direction driving device 9 (Z ′ copying axis) that moves the machining head 10 in the vertical direction (hereinafter referred to as the Z axis direction) by NC control. Is attached. A mounting portion 12 having a cylindrical inner surface is formed at a tip portion of the torch block mounting base 11, and an upper and lower support member 13 (Z axis) is mounted in the mounting portion 12.
A columnar support member 13 ′ is rotatably inserted into the upper and lower support members 13 about a vertical axis (hereinafter, referred to as C axis). A support portion 14 to which the processing head 10 is attached is formed at the tip of the support member 13 '.

The mounting structure of the processing head 10 will be described in detail with reference to FIGS. 4 and 7 to 9. The processing head 10 is inserted and fixed in a holding member 21, and the holding member 21 has gears 23 and 23 'fixed to the tip thereof and is connected to a shaft member 22 housed in a case 26. The gears 23 and 23 'mesh with a gear 25 fixed to a rotating shaft of a motor 24 (hereinafter, referred to as A axis). Gears 32 and 32 ′ are fixed to the tip of the case 26, and a shaft member 30 housed in the case 31 is connected to the case 26. Gears 32 and 32 'fixed to the shaft member 30 mesh with a gear 33 fixed to a rotation shaft (hereinafter, referred to as B shaft) of a motor 34. As shown in FIG. 4, the case 31 is connected to the support portion 14 via a mounting mechanism 20.

The copying machine of this embodiment is provided with two copying devices.

The first copying apparatus copies a workpiece in parallel with the Y-axis direction (hereinafter referred to as the Y'-axis direction),
It is configured as shown in FIG. That is, the Y ′ copying drive device 42 is attached to the rail 40 attached to the lower part of the movable base 2 via the cylinder 41, and the bracket 43 is attached to the rod of this Y ′ copying drive device 42 via the attachment member 46. It is installed. A detection rod 47 is attached to the bracket 43 via a detector 44, and a copying roller 45 is rotatably attached to the tip of the detection rod 47.

The second copying apparatus is for copying a workpiece in parallel with the Z-axis direction (hereinafter referred to as Z'-axis direction),
As shown in FIG. 6, the processing head 10 is attached by the attachment member 50.
It is provided with non-contact type copy sensors 51 and 52 which are arranged so as to sandwich them. These scanning sensors 51 and 52 perform scanning in the Z′-axis direction by irradiating the work with detection light or the like at an angle of about 30 °.

Next, the operation of the cutting machine of this embodiment will be described.

A work W such as a shaped steel to be cut is set in a cutting machine. Next, the X-axis direction driving device 4 and the Y-axis direction driving device 8 are driven, the upper and lower support members 13 are moved in the vertical direction, and the machining head 10 is moved according to preprogrammed steps, so that the workpiece W is moved. Disconnect. At this time, the work W is moved by the first or second copying apparatus.
The cutting proceeds along the Y′-axis direction or the Z′-axis direction.
Therefore, processing accuracy and processing quality can be improved.

When the horizontal portion of the work W is cut,
The motor 34 is driven to rotate the case 26 to which the processing head 10 is attached by 90 °. As a result, the processing head 10 rotates 90 ° to face the vertical portion of the work W. Then, similarly to the above, the vertical support member 13 is moved vertically downward to move the processing head 10 to cut the vertical portion. At this time, the holding member 21 is rotated by rotating the motor 24 as needed, and the machining head 10 attached to the holding member 21 is swung so that optimum cutting can be performed.

As described above, after the horizontal portion of the work W is cut by the processing head, the rotating mechanism is driven to rotate the holding member 21 holding the processing head 10 in the vertical plane, so that the processing head 10 is moved. Since the vertical portion of the work is cut by rotating, the horizontal portion and the vertical portion can be continuously cut, and the cutting time can be greatly shortened.

Further, since the cutting is performed by one processing head 10, the processing accuracy and the processing quality can be made uniform. Further, the processing head 10 is 1
Since it is a single piece, the machining head 10 can be easily centered.

In the cutting machine of this embodiment, the processing head 1
A line for automatically cutting a workpiece W such as a shaped steel is controlled by NC control of 0 in the X-axis direction, Y-axis direction, Z-axis direction, A-axis rotation, B-axis rotation, and C-axis movement in 6-axis directions. Can be configured.

[0022]

As described above, according to the cutting machine of the present invention, since the holding member for holding the machining head for cutting the work and the rotating mechanism for rotating the holding member in the vertical plane, The processing time can be greatly reduced, and the cutting accuracy and the cutting quality can be made uniform.

[Brief description of drawings]

FIG. 1 is a side view showing a cutting machine according to an embodiment of the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is a side view of FIG.

FIG. 4 is a detailed view of FIG.

FIG. 5 is a detailed view of FIG. 1.

FIG. 6 is a detailed view of FIG.

FIG. 7 is a cross-sectional view showing the main parts of the cutting machine of FIG.

FIG. 8 is a side view of FIG. 7.

9 is a plan view of FIG. 7. FIG.

[Explanation of symbols]

 10 Processing Head 21 Holding Member 26 Case 30 Shaft Member 32 Gear 33 Gear 34 Motor

Claims (1)

[Claims] 1. A cutting machine for cutting a work having a three-dimensional shape such as a shaped steel, comprising a holding member for holding a processing head for cutting the work, and a rotating mechanism for rotating the holding member in a vertical plane. A cutting machine comprising: