JPS58179572A - Method and apparatus for working metal - Google Patents

Abstract

PURPOSE:To perform copying work and working of metal at a time automatically, by converting incremental quantity of a copying tool into the number of pulse, storing it, converting the memory into pulse again, and making delayed operation of a working tool. CONSTITUTION:A working tool 11 that can cut or weld metal and a copying tool 12 that copies working line, actual article etc. are arranged on a truck 8 that travels on rails 7 placed in the direction of X-axis. The copying tool 12 is moved first, and at the same time, incremental quantity of the copying tool 12 is transmitted to a pulse generator 13 and converted into the number of pulse, and stored in a pulse generator 18 that generates electric signal of one pulse at every unit displacement of X-axis caused by driving of the truck. The memory of incremental quantity of the copying tool 12 is regenerated into pulse delaying by the number of pulse corresponding to center distance of the copying tool 12 and working tool 11 to X-axis making generated pulse of the generator 18 a shift signal, and the working tool 11 is guided.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a metal processing method and a processing device that can automatically cut or weld metal, and more specifically, it can cut or weld metal. A processing tool and a copying tool capable of copying a processing line or an actual object, etc. are placed side by side, and the displacement is converted into a repulse by a pulse generator using the advancement or rotation of a reference device as a reference coordinate, so that the copying tool precedes the processing tool. The reference axis displacement 1 is determined by linking the dependent displacement of
Each pulse is converted into the number of incremental tv pulses of the copying tool and stored, and the generated pulse of the reference axis is used as a shift signal to delay the reference axis pulse corresponding to the center distance between the copying tool and the processing tool with respect to the reference axis, and the copying tool is The memory of the incremental amount of dependent displacement of is regenerated into pulses and the processing tool
The present invention relates to a metal processing method and its processing equipment fVC, which is characterized by the following.

Conventionally, if you try to automatically perform bevel cutting or welding bevel processing on this cut surface while copying the cut surface, the detection part for copying will be damaged due to the amount of heat emitted from the processing head and the metal reaction caused by the heat. Therefore, it was considered extremely difficult to automatically perform copying and machining operations at the same time.

The method according to the present invention is a technique developed in view of the drawbacks of the conventional methods, in which the copying tool is placed in parallel with the processing tool, the copying tool is placed in front of the processing tool, and the incremental amount of the copying tool is pulsed. This invention relates to a completely new technique that allows memory to be stored in the form of numbers, and this memory to be converted back into pulses, thereby making it possible to operate the machining tool with a delay.

To specifically explain one embodiment of the present invention with reference to the drawings, the first embodiment is as follows.
The figure shows the processing line of the processing tool and the copying exchange of the copying tool.
The amount of displacement of the machining line and the tracing line is shown in the Y coordinate in an orthogonal or oblique axis system.

In the figure, 1 indicates the machining line indicated by Y=f(X), points a and b on the machining line 1 indicate the center points of the processing tool and copying tool at a certain point in time, and the coordinates of points a and b are #a(XI,Yl
), b(Xz, Yz), then X2-X1=l, and j indicates the distance between the center point of the processing tool and the center point of the copying tool on the X coordinate axis.

Gas cutting of metal includes not only vertical cutting but also beveling gas cutting that forms a certain taper on the cut surface.In this case, it is necessary to rotate the gas cutting torch, and this rotation angle is always determined in the normal direction of the cutting line, so it is necessary to rotate the gas cutting torch in the normal direction. 2 in the figure is machining *I at point aK on machining 411
The following equation is approximately obtained using the method for K, where ΔX and ΔY are the X coordinate, and the minute section α of the X coordinate is obtained as the turning angle of the processing tool.

Some processing equipment traps are made using a polar coordinate system, such as cutting a steel plate or penetrating welding, or a combination of both types, but the coordinate axis system can be applied to any of the following.
In either case, it can be solved using a mathematical principle.

Regarding the relationship between the above-mentioned processing edge 1 and the pulse, as shown in Fig. 2, both in the X, Y zaki thread and in the R1θ polar coordinate system, each coordinate system is expressed as the length X, Y corresponding to one pulse.
, 'R, and +s%Although it is preferable to define the intersection of the grid divided by history θ and the tracing line 5, in the present invention, the reference axis
Or, with respect to the θVM+lA axis, change the displacement amount of the Y or R axis per 1 pulse of the X or θ axis into a pulse, and set the reference coordinate axis
Alternatively, the profiling line and processing line profile can be defined by one pulse on the θ axis and the number of pulses on the secondary @If reference axis Y or R axis.

゛Therefore, if the processing tool is regenerated based on the displacement information obtained from the trajectory of the tracing shell, @4 will be obtained. To further explain this point, in Fig. 2, the valley X (
When the instrumental radius of the Y (R) coordinate is displayed for the θ ) section, it becomes as shown in the following table, and the route of the processing tool that reproduces this can be approximated to the tracing line 5 of the copying tool as shown in @4. .

Since the positive and negative polarities of the reference coordinate axes X and θ cannot be given in advance in copying the actual product, generally only the positive direction can be considered.

Next, as shown in FIG. 5, the line segments of the machining line are defined for each pulse of the reference axis, and the pulses for the increments of the dependent axis have positive and negative directions. The pulse increments of this dependent axis can be sequentially encoded in binary and manually stored in the storage unit.
It can be stored as calculation data of the trajectory of the pick and tool and the turning angle θ of the processing tool. Next, FIG. 4 shows a cutting surface copying bevel cutting machine as an embodiment of the present invention, and in the figure, 6 is a broken Roe m plate cut to a predetermined size. , it has a processed cutting wall 6a which has already been subjected to beveling and an unprocessed cut surface 6b which has not been beveled. Reference numeral 7 denotes a rail placed on the surface of the curved steel plate 60, which serves as a guide axis for the processing device and also serves as a VCX coordinate axis. 8 is the rail lc%? This is a trolley that travels along with a copying tool 12 and a processing tool 11, which will be described later.

9.10 is a support rod, at the tip of which the processing tool 11 is attached.
and a copying tool 12, each of which is a parallel Y-shaped cap, and is constructed so as to be able to slide in the direction of the Y coordinate axis.

The front pattern part 12 is, for example, a permanent magnet or an electromagnet #! The unprocessed cut surface 6bK′i! I arrived at i5 and the trolley ran 80 times and this is it! /*By doing so, the displacement in the Y-coordinate axis direction of the tracing part 12 is transmitted to the pulse generator 13, and this generator 15 is rotated to generate a pulse 1 which is proportional to the displacement position and can be determined as positive or negative. It is possible.

On the other hand, the processing tool 11 is used to process the unprocessed cut surface 6 of the steel plate 6
b Two gas cutting torches are held at a fixed angle so that they can cut the groove, and the angle and position can be set in advance by the holding am 17, so that they can be rotated around the 14 profiling cores. The KW4 is configured so that the processing tool 11 can be rotated and retracted pIi via a gear mechanism 15. 16 is the turning angle θ of the processing tool 11? ! A servo motor controlled by II is shown, and 18 is a pulse generator that generates one pulse of electric signal based on a unit displacement 1i of X@ caused by driving the cart. Further, 19 indicates the HA drive motor of the cart, and 20 indicates the servo motor for controlling the Y@direction # of J) 0 machine 11, which drives the processing tool 1 via the rack and bin-on, etc.
Direct operation of the sea bream in the Y-axis direction on the support rod 9 with 1 at the tip? [flffE,g has been changed so that it can be done.

FIG. 5 is a block diagram showing the control method of the bevel cutting machine shown in FIG. 4. In FIG. 25 indicates the positive/negative direction discrimination time M'Y; 24
25 is an X-coordinate pulse generator that generates a signal every 11M unit travel distance of the truck; 26 is a positive/negative discrimination circuit. Further, 27 is a processing device, which outputs scanning signals X,
Encodes the generated pulses on the Y axis and controls the memory.
It is configured to be able to store information, similar to the storage device 28.

For the copying system # of the processing tool, the information in memory #28 -? It is configured so that it can process and reproduce the Y-axis pulse, and also calculate the eye angle θ for the processing tool 5301 to generate control pulses. 29.50 indicates a Y-axis pulse amplifier and a θ-axis pulse amplifier, respectively, and 51.52 indicates a servo motor driven by the output of the amplifier 29.50. Processing tools! The control of the position 15 is configured as 5, which is the sum of fy and VC of the X-axis drive motor 24, Y-axis drive motor 51, and θ@drive servo motor 32. Reference numeral 54 is an operation panel for the entire device, and it functions to perform overtime, gas, electric power supply, etc. of the X@ drive motor 24 through a sequence circuit 35, and also inputs the start of positioning control to the processing device liK. There is.

Next, FIG. 6 is a block diagram showing the memory of pulses generated by copying with the copying tool as explained in detail, and a block diagram of reproducing this memory into pulses to drive the processing tool. The incremental information Y of @ and the incremental information X of movement of the reference axis are transmitted to the processing tool with a delay of /X' (pulse) with respect to the mutual center distance jK of the copying tool and processing tool with respect to the reference axis, and Similarly, the turning angle θ is transmitted with a delay of '/l (pulse) with respect to the reference axis.

In the figure, 56 and 57 are X and Y axis pulse generators, 3
B is a pulse processing unit which encodes the Y-axis pulses generated between the X-axis pulses ) 59 x.

Store at 59y and 59θ. Stiff memory element! +9X
, 59Y, 39θ configuration, 40X.

41X is a header part indicating the number of digits of the pulse memory of the X coordinate axis and a pulse number part, and the X axis is always indicated by 1 bit. 40y and 41y are pulse memories of the Y coordinate axis, A part of the header and a pulse number part are shown. 41θ and 42θ are pulse memories for the θ coordinate axis, and show a part of the header and a pulse number part.

The total amount of memory for each coordinate axis is the center distance IK with respect to the X axis, which is the no reference axis of the copying tool and processing tool
, Y, and θ axes are stored as incremental information.

To explain the case where the pulse processing unit is used for 10,000 processing tools, the pulse regeneration calculation unit 42
'+1 storage section 59X respectively.

9Y, right end of 39θ) (Russ command fiE'kX axis)
<Replace the pulse 45x with the Y-axis pulse 46y, the θ-axis pulse 45θ, and shift the shift signal 44 into the memory part 59x.

59y and 59θ, shift the contents of the memory to the right, and further apply the human input signal sent from the copying tool to the leftmost end of the storage section, so that Kv! The processing tool that follows its trajectory can be driven with a delay of 1, which is the center distance between the two.

As described above, the method and apparatus according to the present invention include a processing tool capable of cutting or welding metal on a truck running on a rail mounted in the X-axis direction, and a machining tool capable of copying an actual object, etc. The copying tool is placed in front of the processing tool, and the number of incremental pulses of the copying tool is stored and stored, and this memory is replaced with a pulse.
In addition, this pulse causes the processing tool to be activated with a delay of a certain distance relative to the copying tool, so the copying tool and processing tool can be separated by keeping a fixed distance between them, which allows for easy operation during processing. The copying tool can be completely protected from the tensile strength generated from the processing tool, and in the method of the present application, the incremental quantity of the copying tool is replaced with the Hals number and stored in the storage device fK. Therefore, it is also possible to separate this memory device from other parts and attach it to another processing device, and drive the companion processing device M by attaching this memory device according to the number of pulses stored in this memory device K. It has the following characteristics.

[Brief explanation of the drawing]

FIGS. 1 to 6 are explanatory diagrams showing an apparatus 1 for carrying out the method of the present invention. 1 is the knee, 6 is the profile edge, 5 is the line segment, 6 is the steel plate,
7 is a rail, 8 is a trolley, 11 is a processing tool, 12 is a copying tool, 15.18 is a pulse generator, 15 is a gear mechanism, 23 is a positive/negative direction discrimination circuit, 27 is a processing device,
28 is a storage device, 29.50 is an amplifier, 54 is an operation panel, 68 is a pulse processing section, 59 is a storage element, and 42 is a calculation section. Patent applicant Koike Oxygen Industry Co., Ltd.

Claims (1)

[Scope of Claims] (1) A processing tool capable of cutting or welding metal 1 and a copying tool capable of copying the processing line or the actual object are placed side by side, and the advancement or rotation of the reference device is used as the reference coordinate. The displacement is converted into pulses by a pulse generator, and the dependent displacement of the copying tool that precedes the processing tool is linked to the pulse generator, and the incremental amount l pulse number of the copying tool is converted to an open flame for each pulse of the reference axis displacement. The generated pulse of the reference axis is used as a shift signal to delay the reference axis pulse corresponding to the center distance between the copying tool and the processing tool with respect to the reference axis, and the memory of the incremental amount of the dependent displacement of the copying tool is regenerated into pulses. A metal processing method characterized by guiding the processing tool. Q) At predetermined positions of a traveling trolley that can run on rails, two support rods are attached to the flat platform in parallel so that they can slide in a direction perpendicular to the rails, with a predetermined interval maintained, and one support rod A copying tool is attached to each of the other support rods, and a metal processing tool such as a fusing machine or a welding machine is attached to each of the two support rods, and a copying tool and a processing tool are respectively attached to the supporting parts that can slidably support the two support rods. A pulse generator capable of converting the displacement of the tool into pulses is installed, and a memory device capable of converting and storing the incremental amount of the copying tool for each pulse of the reference axis displacement into pulses, and the dependent displacement of the copying true are installed. A metal processing device comprising: a device capable of guiding the processing tool by regenerating the memory of an incremental quantity into pulses; and a device that is attached to the trolley. (6) A metal working device according to claim 2, characterized in that the copying tool is equipped with a Ki-forming roller at the tip thereof so that it can copy an actual object having a cut surface or the like by magnetic force. (4) A patent claim characterized in that the processing tool is a beveling gas cutting device, and the beveling gas cutting device is held via a gear mechanism so that it can be rotated as the center of the processing core. Range No. 2 σ) Metal processing equipment.