JPS6246293B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION This invention involves cutting the end of a metal plate in order to weld another metal plate to the main body;
This invention relates to a device that automatically performs welding by bringing another metal plate (hereinafter referred to as a plate) into contact with the cut surface.

Conventionally, in order to weld a plate to the main body, if welding is performed immediately, welding distortion will occur, so temporary welding is first performed and then actual welding is performed. In the temporary welding, a plate is held in contact with the cut surface of the main body, and a plurality of locations are temporarily welded. At this time, in order to perform temporary welding accurately, the position was corrected by hitting the main body and plate with a hammer or the like while holding the plate in contact with each other. Main welding was performed as the next step on the temporarily welded parts. As described above, the conventional process requires manpower and time to achieve welding accuracy, and has drawbacks such as complicated work and fatigue of workers due to high heat and hammering.

The present invention improves the above-mentioned drawbacks of the conventional process of welding another plate to the main body, and provides an apparatus that automatically performs cutting and temporary welding or main welding of the main body.

The device according to the present invention includes a mechanism for transporting the main body to a fixed position, a mechanism for fixing the main body, a mechanism for cutting the main body, a mechanism for keeping the lower blade away from the cutting surface of the main body after cutting the main body, and a mechanism for moving the plate to the main body. It consists of a mechanism that contacts the cutting surface, and a mechanism that welds the main body and plate.Each of the above mechanisms is wired to a push button on the control panel, and by pressing the push button, each mechanism from the above can be activated individually or in succession. By operating the machine, it is possible to automatically cut the main body and weld the plates.

The details of this invention will be described in detail with reference to the drawings, which describe an automatic metal plate cutting and welding apparatus for cutting the main body of a liner plate and welding the plates.

In order to increase the strength of the main body 1, the liner plate is made into a wavy shape as shown in Fig. 1, both edges are bent 90 degrees to attach flanges, and flanging plates 2 are welded to both ends to form a box shape. Some have flat bottoms, but many have curved bottoms. If the main body 1 is corrugated and curved in this way, the ends of the main body will be uneven, and in order to weld the plate 2, the end of the main body 1 must be cut to ensure that the plates fit perfectly. Must be. Reference numeral 4 denotes an upper blade for cutting the edge of the main body 1, and 5 a lower blade, which has a wave-like shape that matches the wave shape of the main body 1. The upper and lower blades for cutting edges of a plate whose bottom surface of the main body 1 is not wave-shaped do not need to be wave-shaped. C4 is a cylinder for raising and lowering the upper blade, and C5 is a cylinder for operating a cam 5' to raise and lower the lower blade. In the figure,
Cylinders C6 and C6' are provided on both sides of the front surface of the lower blade 5, and a pin 6 is projected and retracted, and when projected, it is fitted into a bolt hole 3 of a main body 1. The cylinder C6'' is for moving the cylinder C6. 7 is a body presser, which is provided in plural numbers, and is used to move the cylinder C6.
It goes up and down by 7. Reference numeral 8 denotes body presser holders, and a plurality of them are provided. The roller 8' is raised and lowered by a cylinder C8, and lifts and supports the main body 1 so that it comes into close contact with the lower blade. A rack 9 for stacking and storing plates 2 is provided on the back side of this device, and an arm 10 is protruded by a cylinder C10 to make it possible to send out the lowest plates 2 one by one to the left in FIG. 3. The magnet 11 is raised and lowered by the cylinder C11 to a position above the sent-out plate 2.
, magnet 11 is installed, and magnet 90 is installed.
A magnet reversing cylinder C11' is provided for reversing the plate 2 and bringing the plate 2 attracted to the magnet 11 into contact with the cut surface of the main body 1. A plurality of torch mounting arms 12 are provided above the cut surface position of the main body 1, and the torch mounting arms 12 are raised and lowered by the torch lifting cylinder C12, and the torch (not shown) mounted thereon is moved between the main body 1 and the plate 2. It is placed in the contact area and enables temporary or final welding by applying electricity.

Each cylinder of this device is hydraulic or pneumatic, electrically wired (not shown), and activated or deactivated by a switch (not shown). These switches can be integrated into a control box and can be opened and closed using push buttons.

When using the automatic metal plate cutting and welding apparatus according to the present invention, the main body 1 is conveyed between two pins 6 by a conveyor or a trolley, and the cylinder C6 is actuated to attach the pin 6 to the flange of the main body 1. When the cylinder C6 is horizontally moved in the direction of the upper and lower blades by the cylinder C6', the main body 1 is simultaneously moved in the direction of the upper and lower blades. At this time, by adjusting the moving distance of the cylinder C6 in advance, the distance between the cut surface of the main body 1 and the bolt hole 3 can be specified, and a cutting position according to a specified standard can be obtained. When the end of the main body 1 is conveyed between the upper blade 4 and the lower blade 5, the cylinder C8 is activated to lift and support the main body 1 with the roller 8', and the cylinder C7
is activated to lower the main body presser 7, and the main body 1 is clamped between the main body presser 7 and the main body receiver 8 to fix the main body 1. Next, operate the cylinder C4 to open the upper blade 4.
and cut the end of the main body 1. After cutting the end of the main body 1, hold the main body 1 between the main body presser 7 and the main body receiver 8.
While holding the upper blade 4 between the upper and lower blades, operate the cylinder C4 to raise the upper blade 4, operate the cylinder C5 to rotate the cam 5', and lower the lower blade 5. Next, operate cylinder C10 and use arm 10 to easily
The bottom one of the stacked plates is pushed out below the magnet 11, the cylinder C11 is activated, the magnet 11 is lowered onto the plate 2, the plate 2 is attracted to the magnet, and the cylinder C
11' is activated to invert the magnet 11 by 90 degrees, and the plate 2 attracted to the magnet 11 is brought into contact with the cut surface of the main body 1. In order to bring the plate 2 and the main body 1 into proper contact, an automatic adjustment mechanism (not shown) is activated. Next, the cylinder C12 is activated to move the torch attachment arm 12, and the tip of the torch attached to it is brought close to the contact boundary between the cut surface of the main body 1 to be welded and the plate 2, and electricity is applied to perform temporary welding or actual welding. . When welding is finished, actuate cylinder C11' to turn magnet 11 on.
Flip it 90 degrees and return it to its original position, then remove cylinder 12.
is operated in the opposite direction to lift up the torch mounting arm 12, then the cylinder C7 is operated in the opposite direction to lift up the main presser foot 7, the cylinder C8 is operated in the opposite direction to lower the roller 8', and the cylinder C7 is operated in the opposite direction to lower the roller 8'.
6' is actuated to move the main body 1 toward the front in FIG. 2, and the cylinder C6 is actuated to remove the pin 6 from the bolt hole 3 and release the main body 1. Next, in order to process the opposite side of the main body, the main body 1 is reversed, temporary welding or final welding is performed again in exactly the same process as above, and the cutting and welding of the liner plate is completed, and the liner plate is transported out.

Each of the above steps may be operated one by one by pressing the push buttons on a control box (not shown) while confirming each step, or the device may be operated continuously automatically by setting time intervals in advance. good.

According to this invention, the main body 1 can be automatically cut to the rated size, and the state in which the main body 1 is securely fixed by the main body presser 7, the main body receiver 8, and the roller 8' can be used during cutting for a short time. The plate 2 can be automatically abutted and welded to the main body 1, and there is no need for two people to perform temporary welding while correcting the abutting state with a hammer, as in the conventional method, so there is no need for manpower. Further, since the lower blade is separated from the cutting surface of the main body 1 during welding, there is no risk of the lower blade becoming burnt back due to the heat during welding. All of the liner plates that have already been temporarily welded have been temporarily welded with high precision, making it possible for actual welding to be performed by a robot. Further, if desired, not only temporary welding but also actual welding can be performed. The explanation of the above embodiment is for automatic cutting of metal plates for edge cutting of liner plates and welding of flange plates.
Although this invention relates to a welding device, the present invention is not limited to edge cutting and welding of liner plates, but is also applicable to welding and attaching side plates of metal boat-shaped or box-shaped containers for various purposes, or generally cutting metal plates. It can also be used to weld other pieces to the cut surface. As described above, the present invention has excellent effects.

[Brief explanation of the drawing]

The attached drawings show embodiments of the present invention, in which Fig. 1 is a perspective view of a liner plate before tacking, Fig. 2 is a front view of a device embodying the invention, and Fig. 3 is a perspective view of a liner plate before temporary attachment. This is a side view of only the main parts, and the dotted line shows the magnet in a 90 degree inverted state. 1...Body, 2...Plate, 3...Bolt hole, 4...Upper blade, 5...Lower blade, 6...Pin, 7...
...Body presser, 8...Body holder, 9...Rack, 1
0...Arm, 11...Magnet, 12...Torch mounting arm, C4, C5, C6, C7, C
8, C10, C11, C11'C12...Cylinder.

Claims (1)

[Claims] 1 A mechanism for transporting the metal main body to a fixed position, a mechanism for fixing the main body in a fixed position, a cutting mechanism for the main body, a mechanism for keeping the lower blade away from the cutting surface of the main body after cutting the main body,
Equipped with a mechanism that brings a metal plate into contact with the cut surface of the main body, and a mechanism that welds the main body and the plate, each of the above mechanisms is connected by wiring, and each mechanism can be operated individually or in succession with a push button. Automatic cutting and welding equipment for metal plates.