JPH08252719A - Panel cutting-off device - Google Patents

Abstract

PURPOSE: To provide a panel cutting off device which can cut off a panel easily and efficiently without an attendant operator, and can be easily applied even in the case of cutting off the bent part of narrow width of the panel, or in the case of cutting off the panel inclinedly against the plane. CONSTITUTION: This panel cutting off device is provided with a running carriage 8 supported with a rail 4 and capable of running by a running drive device 5, a vertical guide post 9 fitted to the running carriage 8 adjustably in the upper and lower positions, a supporting shaft 17 rotationally movably provided on the lower end of the guide post 9 through a horizontal bearing part 16 centering around an axis O in parallel with the running direction of the running carriage 8, and a rotational movement supporting base 19 rotationally movable integratedly with the supporting shaft 17. It is also provided with a tip saw cutter 23 fitted to the rotational movement supporting base 19 derrickingly centering around derricking fulcrum shaft 20 and rotating in parallel with the running direction B of the running carriage 8 by a rotating drive device 21, and a derrickingly operating device 24 derricking the tip saw cutter 23 centering around the derricking flucrum shaft 20.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a panel cutting device for cutting a flat panel formed by connecting pipes with fins such as used in a boiler furnace wall. .

[0002]

2. Description of the Related Art As shown in FIG. 7, a furnace wall of a boiler is constructed by welding a number of flat panels 1 each having a pipe 1a connected by fins 1b. Therefore, the water in the pipe 1a is heated by the heat of combustion in the boiler furnace to generate steam.

A method for manufacturing a panel 1 having a required length (for example, about 12 meters at the maximum) and a width (about 7 meters at the maximum) by connecting the above-mentioned pipes 1a with fins 1b is described. , Automation has been attempted to improve productivity.

However, since the furnace wall of the boiler has a complicated shape, it is necessary to perform processing such as cutting or bending the panel 1 according to the shape of the boiler.

Conventionally, when cutting the panel 1,
A panel cutting device equipped with a vertically rotating grindstone record board that can be moved in the vertical direction by a manual lever is provided on a traveling carriage that travels along rails.

Conventionally, in order to cut the panel 1, the panel 1
Is installed horizontally on the required table, the rail is placed on the panel 1, and the rail is positioned so that the cutting line of the panel 1 is parallel to the rail and the grindstone record board is directly above the cutting line. After adjusting the rail, fix the rail to the panel 1 by a required method, lower the grindstone record board by the elevating lever and adjust the position so that it is an appropriate position for cutting the panel 1, and then fix it. The panel 1 is cut in a downward posture by running the traveling carriage at a predetermined speed while rotating the grindstone record board.

[0007]

However, since the conventional panel cutting device can cut the panel 1 only in the downward posture as described above, the narrow bent portion as shown in FIG. In the case where the narrow bent portion 1c of the panel 1 having 1c is cut along the cutting line 2, it cannot be practically used, and as shown in FIG. A cutting line 2 having an inclination angle α with respect to the plane
When it is necessary to cut along the line, it is necessary to incline the entire panel cutting device according to the inclination angle α, etc., and the work of inclining and fixing the panel cutting device is difficult, and the panel There was a problem that the cutting device became unstable and dangerous.

Conventionally, a grindstone record board is used to cut the panel 1. However, the grindstone record board consumes the grindstone so much that the panel 1 having a width of 3 to 4 meters is cut. It is necessary to replace and use 5 to 6 whetstone record boards, which makes it impossible to completely automate the cutting of the panel 1, and a worker is accompanied to deteriorate the cutting ability of the whetstone record boards. If it deteriorates, it is necessary to stop the cutting work and replace the grindstone record board each time, so the work efficiency is very low and a large amount of dust is scattered when cutting with the grindstone record board. The worker is forced to work in a bad environment, and has problems such as being dangerous because it is necessary to accompany him to the cutting work place.

In view of the above-mentioned circumstances, the present invention allows a panel to be easily and efficiently cut without an attendant, and has a narrow-width folded portion of the panel. It is an object of the present invention to provide a panel cutting device that can be easily applied when cutting a bent portion or when cutting with an inclination angle with respect to the plane of the panel.

[0010]

DISCLOSURE OF THE INVENTION A panel cutting device according to the present invention comprises a traveling carriage supported by rails and capable of traveling by a traveling drive device, and a vertical guide post mounted on the traveling carriage so that its vertical position can be adjusted. And a support shaft rotatably provided at the lower end of the guide post about a shaft parallel to the traveling direction of the traveling dolly via a horizontal bearing portion, and a rotation support that rotates integrally with the support shaft. A table, a tip saw cutter attached to the rotation support table so as to be capable of undulating about an undulating fulcrum axis, and rotating parallel to the traveling direction of the traveling carriage by a rotation drive device; and the tip saw cutter about the undulating fulcrum axis. And an undulating actuating device for undulating.

Further, the hoisting and activating device is characterized by comprising a manual handle for manually hoisting the tip saw cutter, and a hoisting and driving device provided between the manual handle and the rotary support base.

Further, it is characterized in that the rail is supported so as to be able to move up and down by a lifting drive device.

[0013]

When the flat panel is cut, the rail is placed on the horizontally supported panel so that the rail is parallel to the cutting line of the panel, and the panel is placed on the rail. The position of the rail is adjusted so that the tip saw cutter of the cutting device is directly above the cutting line. Further, the guide post is moved up and down along the traveling carriage, and the undulating actuator is operated to adjust the tip saw cutter to a predetermined bite depth with respect to the panel. Then, while rotating the tip saw cutter by the rotation driving device and driving the traveling driving device to cause the traveling carriage to travel at a predetermined speed, the panel is automatically cut.

As a result, it is possible to automatically and efficiently cut the panel without an operator attending the panel. Also,
Since the panel is cut using the tip saw cutter, there is no problem that a large amount of dust is generated unlike when using a conventional grindstone record board, and the working environment can be made good, and the panel cutting work The work such as cleaning afterwards becomes easy. In addition, the cutting performance of the tip saw cutter does not deteriorate in a short time like a grindstone record board, so you can continue working for a long time and perform highly efficient panel cutting. it can.

When the flat panel is cut at a predetermined inclination angle, the rotation support base is rotated in advance by a predetermined angle together with the support shaft to be in a fixed state, thereby being inclined in the same manner as described above. Cutting can be performed automatically and stably with high efficiency.

Since the hoisting and activating device is composed of a manual handle for manually hoisting the tip saw cutter and a hoisting and driving device provided between the manual handle and the rotary support base, the tip saw cutter bites against the panel. The depth of engagement can be adjusted manually or can be adjusted automatically to the depth of engagement set by the undulation drive.

When the rail is supported by the lifting drive device so as to be able to move up and down, the rail can be placed on the panel by raising the rail, loading the panel below it, and lowering the rail again. Setup work when cutting is easy.

[0018]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

1 to 3 show an embodiment of the present invention. In the embodiment of the present invention, the panel 1 is supported by a supporting roller 3 so as to be movable in the horizontal direction, and further, the above-mentioned support is provided. On the panel 1 supported on the rollers 3, a rail 4 having a H-shaped cross section that extends in a direction perpendicular to the moving direction A of the panel 1 is placed.

On the rail 4, traveling wheels 6 driven by a traveling drive device 5 and traveling on the upper side of the rail 4, and side guide wheels 6a abutting on the inner side surface of the rail 4.
A traveling carriage 8 is provided which is configured to travel in the B direction at a predetermined speed along the rail 4 via the. Further, a side rail 6b is provided on the outer side surface of the rail 4, and a fall prevention roller 6c adapted to come into contact with the side rail 6b from below is installed on the traveling carriage 8 via a support bracket 6d. ing.

A traverse portion 7 is provided on the upper portion of the traveling carriage 8 so as to traverse in a transverse direction D with respect to the traveling direction B of the traveling carriage 8 by means of a dovetail groove 7a. It is designed to be traversed by a screw feed type which is rotated by a motor or a manual handle.

A vertical guide post 9 is erected so as to be able to move up and down at a position projecting to the left and right on one side in the traveling direction B of the traveling carriage 8 in the traverse portion 7. Guide post 9
Is movable only in the vertical direction and is restrained in the rotational direction. The guide post 9 is provided with a rack 10 and the traveling carriage 8 is provided with a pinion 11 which meshes with the rack 10.
The guide post 9 can be moved up and down by rotating it. At this time, the guide post 9 can be moved up and down remotely by driving the pinion 11 with a motor.

At the lower end of the guide post 9, a vertical fitting portion 14 of a T-shaped connector 13 is fitted and fixed by a fixing bolt 15, and a horizontal bearing portion 16 of the connector 13 is further provided. The support shaft 17 is rotatable about an axis O parallel to the traveling direction B of the traveling carriage 8 as shown by C in the figure.
Are fitted together, and the support shaft 17 has the horizontal bearing portion 1
The fixing bolts 18 provided at 6 can be fixed at any rotation position. Further, the support shaft 1
A rotation support base 19 is integrally fixed to 7. At this time, when the support shaft 17 is fixed so as not to rotate with respect to the connector 13, the rotation support base 1
9 may be rotatable with respect to the support shaft 17 in the C direction and may be fixed at an arbitrary rotating position.

The rotary support 19 has an undulating fulcrum shaft 20.
And a traveling direction B of the traveling vehicle 8 via a power transmission material 22 by a rotary drive device 21 composed of a motor.
It has a tip saw cutter 23 that rotates in parallel with. The tip saw cutter 23 is formed of a sawtooth-shaped cemented carbide material, and is capable of continuously cutting the panel while producing relatively large cutting chips by rotation.

A hoisting and actuating device 24 for hoisting the tip saw cutter 23 around the hoisting fulcrum shaft 20 is provided between the rotary support 19 and the tip saw cutter 23. The undulating actuator 24 includes a manual handle 26 whose lower end is attached to a supporting portion 25 of the tip saw cutter 23.
And an undulating drive device 2 including an electric power cylinder provided so as to connect between the manual handle 26 and a fixed support member 27 extending toward the upper side of the rotation support base 19.
8, the manual handle 26 has mounting holes 29 formed at required intervals along the longitudinal direction of the manual handle 26, and the undulating drive device is installed in the mounting holes 29. The connection position of the ends of 28 can be changed. Reference numeral 27a in the figure denotes a grip provided on the upper end of the fixed support member 27.

Further, in FIG. 6, the rail 4 is supported so as to be able to move up and down by an up-and-down drive device 30 including cylinders provided at both ends.

Next, the operation of this embodiment will be described.

When cutting the flat panel 1, FIG.
As shown in FIG. 3, a rail 4 is placed on a panel 1 horizontally supported by a support roller 3 so that the rail 4 is parallel to the cutting line 2 of the panel 1 and
Tip saw cutter 23 of panel cutting device placed on top
The position of the rail 4 is adjusted so that is directly above the cutting line 2. At this time, the position of the tip saw cutter 23 can be finely adjusted by moving the traverse portion 7 instead of moving the rail 4. Further, the handle 12 is turned to move the guide post 9 up and down with respect to the traveling carriage 8, or the undulating actuator 24 is operated to move the tip saw cutter 23 up and down so as to have a predetermined bite depth with respect to the panel 1. Adjust the position.

Then, the rotary saw 21 is rotated by the rotary drive device 21, and the traveling drive device 5 is driven to drive the traveling carriage 8 in the direction B at a predetermined speed to automatically cut the panel 1. At this time, the entire panel cutting device does not move with respect to the panel 1 due to the weight of the rail 4 and the panel cutting device. However, if this problem is a concern, the rail 4 is required for the panel 1. It can be fixed by means.

According to the panel cutting device described above, the panel 1 can be automatically and efficiently cut without an attendant. Further, since the panel 1 is cut by using the tip saw cutter 23, the cutting chips are relatively large, and a large amount of dust is not scattered unlike the case of using the conventional grindstone record board. The working environment can be greatly improved, and the work such as cleaning after the panel cutting work becomes easy. Furthermore, the tip saw cutter 2
Unlike No. 3 grindstone record board, the cutting ability of No. 3 does not decrease in a short time, so that the work can be continuously continued for a long time and the panel cutting work can be performed with high efficiency.

When the flat panel 1 is cut at a predetermined inclination angle α, the fixing bolt 18 shown in FIG. 1 is loosened and the manual handle 26 and the grip portion 27a are gripped by hand, and the entire tip saw cutter 23 is cut. As shown by the phantom line in FIG. 2, the support shaft 17 is rotated by a predetermined angle and fixed in that state by the fixing bolts 18, and then the cutting operation is automatically performed in the same manner as described above. At this time, as shown in FIG.
If the scale 7a is attached to 7 and the horizontal bearing portion 16, the inclination angle of the tip saw cutter 23 can be set arbitrarily and easily. As described above, the rotation support base 19
Since the tip saw cutter 23 can be freely tilted by rotating, the stable cutting can be performed without the panel cutting device becoming unstable as in the case of tilting the conventional panel cutting device. .

The hoisting and activating device 24 is composed of a manual handle 26 for manually hoisting the tip saw cutter 23, and a hoisting and driving device 28 provided between the manual handle 26 and the fixed support member 27 of the rotary support 19. Therefore, when the tip saw cutter 23 is lowered to adjust the biting depth with respect to the panel, the undulation drive device 28 may be cut off and manually adjusted by the manual handle 26, or the undulation drive device 28 and the manual handle may be adjusted. It is also possible to arbitrarily extend and retract the undulation driving device 28 with the 26 connected, and adjust the undulation driving device 28 automatically.

When the rail 4 is supported by the lifting drive device 30 so as to be lifted and lowered, the rail 4 is lifted and the panel 1 is carried in by the supporting roller 3 to the lower side of the rail 4, and the rail 4 is again loaded.
Since the rail 4 can be placed on the panel 1 by lowering, the setup work at the time of cutting the panel can be facilitated.

When the narrow short side of the panel 1 having the narrow bent portion 1c is cut, the support shaft 17 is set so that the tip saw cutter 23 becomes horizontal as shown in FIG. After being rotated, the guide post 9 is fixed by the fixing bolt 18, and the guide post 9 is moved in the vertical direction to adjust the tip saw cutter 23 to the position of the cutting line 2, so that the traveling carriage 8 is moved horizontally. The bent portion 1c of the panel 1 can be easily cut in a stable posture.

If the support roller 3 as described above is not provided, the panel is supported by a support base instead of the support roller 3 shown in FIGS. 1 and 2, and FIG.
When cutting a narrow short side of a panel 1 having a narrow bent portion 1c as shown in FIG.
3 is provided with a support base 31 for supporting the bent portion 1c having a narrow width so as to face downward to support the panel 1, and in this state, the traveling carriage 8 is made to travel continuously in the same manner as described above. It can also be cut into pieces.

[0036]

According to the panel cutting device of the present invention, in the case of claim 1, the panel can be cut automatically and efficiently without the attendant attending. In addition, since the panel is cut using a tip saw cutter, it is possible to greatly improve the work environment without scattering a large amount of dust unlike when using a conventional grindstone record board. Moreover, the work such as cleaning after the panel cutting work becomes easy. In addition, the cutting performance of the tip saw cutter does not deteriorate in a short time like a grindstone record board, so you can continue working for a long time and perform panel cutting work with high efficiency. You can

Since the tip saw cutter can be freely tilted about the support shaft attached to the guide post, the panel cutting device does not become unstable as in the case of tilting the conventional panel cutting device. Stable cutting can be performed.

Also, when cutting a narrow short side of a panel having a narrow bent portion, the tip saw cutter can be adjusted to be horizontal, and the cutting can be easily performed in a stable posture. it can.

In the second aspect of the present invention, the hoisting and activating device includes a manual handle for manually hoisting the tip saw cutter.
Since it is configured by the undulation drive device provided between the manual handle and the rotation support base, when the tip saw cutter is lowered to adjust the biting depth with respect to the panel, it can be performed manually or by the undulation. It can be optionally performed automatically by a driving device.

According to the third aspect of the present invention, since the rail is supported by the elevating / lowering device so that the rail can be moved up and down, the rail is lifted and the panel is carried into the lower side of the rail. It can be easily placed on the panel and the setup work for cutting the panel can be facilitated.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a panel cutting device of the present invention.

FIG. 2 is a view taken along the line II-II in FIG.

3 is a III-III direction arrow view of FIG. 1. FIG.

FIG. 4 is a side view showing an example of the present invention when cutting a narrow short side of a panel having a narrow bent portion.

5 is a side view showing another example of FIG. 4. FIG.

FIG. 6 is a front view showing an embodiment of a rail according to the present invention.

FIG. 7 is a perspective view showing an example of a panel.

FIG. 8 is a side view of a panel having a narrow bent portion.

[Explanation of symbols]

 4 rails 5 traveling drive device 8 traveling carriage 9 guide post 16 horizontal bearing portion 17 support shaft 19 rotating support base 20 undulation fulcrum shaft 21 rotation drive device 23 tip saw cutter 24 undulation actuator 26 manual handle 28 undulation drive device 30 lift drive device B traveling direction of traveling carriage C rotation O axis

Claims (3)

[Claims] 1. A traveling carriage supported by rails and capable of traveling by a traveling drive device, a vertical guide post attached to the traveling carriage so as to be vertically adjustable, and a horizontal bearing portion at a lower end of the guide post. Via a supporting shaft rotatably provided around an axis parallel to the traveling direction of the traveling carriage, a rotating support base that rotates integrally with the supporting shaft, and an undulating fulcrum shaft on the rotating support base. A tip saw cutter that is mounted so as to be capable of undulating about a center and that rotates in parallel to the traveling direction of the traveling carriage by a rotation drive device; and an undulating actuating device that undulates the tip saw cutter about the undulating fulcrum axis. Characteristic panel cutting device. 2. The hoisting and activating device comprises a manual handle for manually hoisting the tip saw cutter, and a hoisting and driving device provided between the manual handle and the rotary support base. Item 2. The panel cutting device according to item 1. 3. The panel cutting device according to claim 1, wherein the rail is supported by a lifting drive device so as to be lifted and lowered.