KR20090018260A - Torch rotator for angled cutting and cnc cutting machine utilizing the same - Google Patents

Torch rotator for angled cutting and cnc cutting machine utilizing the same Download PDF

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Publication number
KR20090018260A
KR20090018260A KR1020070082563A KR20070082563A KR20090018260A KR 20090018260 A KR20090018260 A KR 20090018260A KR 1020070082563 A KR1020070082563 A KR 1020070082563A KR 20070082563 A KR20070082563 A KR 20070082563A KR 20090018260 A KR20090018260 A KR 20090018260A
Authority
KR
South Korea
Prior art keywords
torch
cutting
shaft
rotating
rotary shaft
Prior art date
Application number
KR1020070082563A
Other languages
Korean (ko)
Inventor
박광휘
Original Assignee
세신버팔로 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 세신버팔로 주식회사 filed Critical 세신버팔로 주식회사
Priority to KR1020070082563A priority Critical patent/KR20090018260A/en
Publication of KR20090018260A publication Critical patent/KR20090018260A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K7/00—Cutting, scarfing, or desurfacing by applying flames
    • B23K7/08—Cutting, scarfing, or desurfacing by applying flames by applying additional compounds or means favouring the cutting, scarfing, or desurfacing procedure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K7/00—Cutting, scarfing, or desurfacing by applying flames
    • B23K7/10—Auxiliary devices, e.g. for guiding or supporting the torch
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K7/00—Cutting, scarfing, or desurfacing by applying flames
    • B23K7/10—Auxiliary devices, e.g. for guiding or supporting the torch
    • B23K7/102—Auxiliary devices, e.g. for guiding or supporting the torch for controlling the spacial relationship between the workpieces and the gas torch
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/402—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for positioning, e.g. centring a tool relative to a hole in the workpiece, additional detection means to correct position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/18—Sheet panels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/02—Iron or ferrous alloys

Abstract

A torch rotating device for cutting a plate such as an iron plate is disclosed. The torch rotating device is a first rotary shaft, the first rotary shaft driving means for rotating the first rotary shaft, the inclined to the first rotary shaft and connected to the torch holder for holding the torch to cut the plate according to the rotation angle And a second rotary shaft driving means for changing the inclination angle of the torch holder with respect to a plane, and second rotary shaft driving means for rotating the second rotary shaft. It does not use gears such as bevel gears or arc-shaped guides, so it is small in size and light in weight, so it is easy to handle, and requires less parts. When cutting, the torch is rotated only by the motor and the reducer without interfering with other parts. Can be tilted to the desired angle.

Description

Torch rotator for angled cutting and CNC cutting machine utilizing the same}

The present invention relates to a torch rotating device for angular cutting and a cutter using the same, and in particular, in the shipyard or steel bridge construction site, when cutting the steel plate for drying ships, steel bridges, etc. in the improvement work for welding, after cutting vertically again We are doing welding work by performing improvement work (angle cutting). We cut the work that was done twice by cutting the arbitrary shape with the angle at the first cutting, and cut the steel plate cross section directly when cutting the steel plate. It relates to a torch rotator used to make it possible and a computerized numerical control cutter using the same.

Conventional OneCNC cutter with torch rotator installs bevel gear at the end of the spindle to tilt the cutting torch inclined, or rotates it, or cuts it using a rotating gear, circular guide rail, gear wheel, arc body, etc. The torch was rotated. The latter CNC cutter is disclosed in Korean Patent Publication No. 10-0709070, "Cutting Device for Thick Plate Angle for Shipbuilding Member".

 The angle axis of the conventional cutter as described above is a structure that changes the angle according to the fan-shaped shape, because it uses bevel gears, circular guide rails, and other gears, the bulky and circular guide rails are close to the torch Since it is disposed perpendicularly to and wide, interference occurs a lot.

It is an object of the present invention to provide a torch rotating device for angular cutting that does not require the use of bevel gears or arc-shaped guides.

Another object of the present invention is to provide a torch rotating device for angular cutting of a small volume and light weight.

It is still another object of the present invention to provide a torch rotating device which generates less interference with other parts during operation.

Still another object of the present invention is to provide a torch rotating device which can incline a torch quickly at a desired angle.

Still another object of the present invention is to provide a torch rotating device which requires less parts.

The remaining objects of the present invention do not require the use of bevel gears or arc-shaped guides, and are small in size, light in weight, have less interference with other parts during operation, and provide rapid cutting of the torch. There is.

The torch rotating device according to the present invention is a torch rotating device, comprising: a first rotating shaft, a first rotating shaft driving means for rotating the first rotating shaft, and installed to be inclined to the first rotating shaft and connected to a torch holder for holding the torch; And a second rotary shaft driving means for changing the inclination angle of the torch holder with respect to the plane of the plate to be cut according to the rotation angle, and second rotary shaft driving means for rotating the second rotary shaft.

The first rotating shaft is disposed perpendicular to the plane of the plate to be cut, the first rotating shaft driving means is the first servo motor, the first reducer connected to the output shaft of the first servo motor, the output shaft of the first reducer It is preferable that the power transmission means for transmitting the rotational power to the first rotary shaft to rotate the first rotary shaft.

It is preferable that the rotation range of the first rotating shaft is ± 360 °.

The second rotary shaft driving means may include a second servo motor, a second reducer connected to an output shaft of the second servo motor, and a connecting member connecting the output shaft of the second reducer and the torch.

Preferably, the second servo motor and the second reducer are arranged in line with the second axis.

The center line of the second rotary shaft is best disposed to pass through the end of the torch to be mounted to the torch holder.

OneCNC cutting machine according to the present invention comprises a torch rotating device according to the present invention.

The torch rotating device and the oneCNC cutter using the same according to the present invention do not use gears such as bevel gears or arc-shaped guides, so they are small in volume and light in weight, easy to handle, and require fewer parts.

The torch rotating device according to the present invention and the oneCNC cutting device using the same do not interfere with other parts during the cutting operation because the bevel gear or the arc-shaped guide is not installed near the torch.

And because only the motor and the reducer rotates the torch, the operation can be quickly inclined to the desired angle.

The present invention in the shipbuilding shipbuilding steel plate, steel bridge steel plate, etc. when performing the improvement work for welding, cutting vertically after the improvement work (angle cutting) and doing the welding work to improve this work twice In order to cut an arbitrary shape at an angle during the first cutting operation, the cutting operation can reduce cutting time and accuracy of product quality (by cutting by CNC cutting machine).

OneCNC Cutter with Torch Rotator, which has been used mainly in large shipyards, has been used domestically based on 100% import, but it is expected to be developed domestically to improve national competitiveness and save more than 20 billion annually by import substitution effect. .

In addition, the present invention in the field of oneCNC machining control technology in the field of three-axis control (four-axis control including a synchronous axis) in the domestic I-cutting (I-CUTTING, 90-degree cutting method) of the steel sheet and the rotating shaft on the cutting torch side With the addition of an angular axis (to control the entire 7-axis by adding the 6-axis control or the height sensor axis (LINEAR SCALE)), the OneCNC Cutter field is the world's leading supplier in Japan and Germany. It is expected to be able to launch equipment of the present invention and to lower the price of equipment in the domestic market and to enter the global market.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a front view of the torch rotating device according to the present invention, and FIG. 2 is a longitudinal cross-sectional view of the torch rotating device of FIG. 1 according to I-I.

1 and 2 illustrate a torch rotating device 100 according to the present invention. The torch rotating device 100 is a device used to cut the iron plate and the like mounted on the oneCNC cutter.

As shown, the torch rotating device 100 according to the present invention includes a first rotating shaft 110. The first rotation shaft 110 is disposed perpendicular to the plane of the plate such as an iron plate to be cut, and is preferably installed to be rotatable by ± 360 °. The first rotary shaft 110 is supported by the bearing b in the housing h, and the first pulley 121 is provided at the upper end thereof.

The torch rotating device 100 according to the present invention includes a first rotating shaft driving means 120. The first rotary shaft driving means 120 is connected to the output shaft of the first servo motor 122 and the first servo motor 122 installed at a distance from the first rotary shaft 110 to drive the first servo motor 122. Timing belts connecting the first reducer 124 to reduce the speed, the second pulley 126 installed on the output shaft 125 of the first reducer 124, and the first pulley 121 and the second pulley 126. It consists of 127. Here, the timing belt 127 is a kind of power transmission means for transmitting the reduced rotational power of the first servo motor 122 to the first rotation shaft 110. The timing belt 127 and the first pulley 121 and the second pulley 126 may be replaced by gears. In this case, the deceleration may be made through the gear, in which case it may be configured without the reducer 124.

The torch rotating device 100 according to the present invention includes a second rotating shaft 130. The second rotary shaft 130 is connected to the first rotary shaft 110 and is disposed to be inclined with respect to the first rotary shaft 110. In the case of tilting the cutting torch 10 by 45 ° to form a welding improvement of 45 °, the inclination angle of the second rotation shaft 130 with respect to the first rotation shaft 110 is preferably about 30 °, but in this case, The inclination angle of the second rotation shaft 130 is not limited to 30 °. In this case, in order to be practical, the inclination angle must be 20 ° or more, and in some cases, 90 ° is also possible.

In addition, in some cases, the second rotary shaft 130 may be installed up to about 160 ° in excess of 90 °, but is not preferable. However, in a special case where the second rotary shaft 130 may be positioned below the torch holder 140, it may be installed in this way.

In addition, the inclination angle of the land holder 140 increases according to the rotation angle of the second rotation shaft 130 as the inclination angle of the second rotation shaft 130 with respect to the first rotation shaft 110 increases to 90 °, and exceeds 90 °. If you do the opposite.

Furthermore, in the case where the cutting torch 10 is to be inclined at a minute angle rather than 45 °, the cutting torch 10 may be 20 ° or less. Theoretically, the inclination angle is possible in a range where the inclination angle of the second rotation axis with respect to the first rotation axis is <180 °.

The torch holder 140 to which the cutting torch 10 is mounted is connected through the connecting member 132 of the second rotating shaft 130. The second rotation shaft 130 changes the inclination angle of the cutting torch 10 with respect to the plate p such as an iron plate to be cut as shown in FIG. 1 according to the rotation angle thereof. The second rotary shaft driving means 150 is connected to the second rotary shaft 130. The second rotary shaft driving means 150 is connected to the output shafts of the second servo motor 152 and the second servo motor 152 disposed on the same line as the second rotary shaft 130 and the second servo motor 152 of the second servo motor 152. It consists of a second reducer 154 to reduce the drive speed. The second rotary shaft 130 is connected to the output shaft 155 of the second reducer 154. The second rotation shaft 130 is preferably disposed such that its center line passes through the center line of the first rotation shaft 110.

However, the center line of the second rotary shaft 130 is not necessarily to be disposed to pass through the center line of the first rotary shaft 110, it may be removed in some cases.

The cutting torch 10 is disposed perpendicular to the plane of the plate p to be cut in case of eye-cutting, and in the case of angular cutting to form a welding improvement. The rotation is inclined to the left or right within a 45 ° range, as indicated by the dashed line in FIG. 1. At this time, it is preferable that the surface on which the cutting torch 10 moves is formed to be perpendicular to the plane of the plate. That is, the cutting torch 10 is inclined to the left and right, but before and after the right cutting is maintained perpendicular to the plane of the plate to be cut is made.

Furthermore, it is preferable that the end of the cutting torch 10 is positioned on an extension line of the center line of the second rotation shaft 130. In other words, the second rotation shaft 130 is disposed such that the center line of the second rotation shaft 130 passes through an end of the cutting torch 10 mounted to the torch holder 140. In this case, even when the cutting torch 10 is rotated by the second rotating shaft 130, the cutting torch 10 ends are always in the same position.

In order to prevent line twisting of the device according to the rotation of the first rotary shaft 110, the torch holder 140 may be designed to rotate idle.

FIG. 3 is a block diagram illustrating an example of oneCNC cutter to which the torch rotating device of FIG. 1 is applied, and FIG. 4 is a block diagram illustrating another example of the CNC cutter to which the torch rotating device of FIG. 1 is applied.

The torch rotating device 100 as described above with reference to FIGS. 1 and 2 is capable of moving up and down on the elevating means 212 or the elevating means 212, which is installed to be movable up and down on the main body 210 of the CNC cutter 200. It is mounted on the installed horizontal transfer means (214). Cutting torch 10 is mounted on the torch holder of the torch rotating device 100 and the gas required for cutting is supplied from the main body 210 connected to the gas tank 216 or a separate gas supply device. The main body 210 is mounted on the moving means 218 and is movable.

If the oneCNC cutter 200 is fixed and is supplied while a plate such as an iron plate to be cut is moved, the moving means 218 is not necessary.

And when the device to mount and move the plate to be cut is height adjustment may be fixedly installed so as not to adjust the horizontal movement or height to the cutter body portion (210).

The torch rotating means 100, the horizontal conveying means 214, the lifting means 212, the main body 210 and the moving means 218 is operated according to the contents programmed in the CC control unit 220 while cutting the plate Do this.

FIG. 5 is a plan view for explaining a state of the cutting torch at the time of circular angle cutting, and FIG. 6 is a front view of FIG. 5.

When the circular angle cutting using a cutter equipped with a torch rotating device according to the present invention as described above, the end of the cutting torch 10 mounted on the torch holder 140 is a circular cutting product (cp) than the top The cutting operation is performed in a state close to the inner side, that is, the inclined state so that the upper end of the cutting torch 10 is disposed outside the end of the cutting torch 10. The state of the cut surface of the cut product cp is shown in FIG.

In the cutting device 200 using the torch rotating device 100 according to the present invention described above, the cutting torch 10 during eye-cutting is always maintained in the normal direction with respect to the plane of the plate p. In order to maintain the cutting torch 10 in the normal direction wherever the product is located, the first rotational shaft 110 may rotate ± 360 °.

As the torch holder 140 holding the cutting torch 10 is rotated by the rotation of the second rotating shaft 130 for the angle cutting, the cutting torch 10 is tilted left and right within a 45 ° range.

The coordinates for determining the size of the cut product are cut by moving the cutting torch in the shape of the product by the X and Y axes, and the angle cutting portion is formed at an arbitrary angle by the first rotating shaft 110 and the second rotating shaft 130. 10) Tilt and cut.

The rotation speed of the first servo motor 122 is decelerated through the first reducer 124 to drive the first rotation shaft 110 by the timing belt 127. The first rotating shaft 110 is an axis for maintaining the normal direction with respect to the plane of the plate to be cut at all times.

The torch rotating device 100 according to the present invention can be attached to an existing cutter and used, and the center line of the first rotating shaft 110 and the center line of the second rotating shaft 130 intersect in order to prevent dimensional variation of the cut product. Make it as possible.

Of course, in some cases, the center line of the second rotation shaft 130 may deviate from the center line of the first rotation shaft 110 to manufacture the torch rotating device.

The end of the cutting torch 10 is preferably positioned at the intersection of the center line of the first rotation shaft 110 and the center line of the second rotation shaft 130.

The second rotary shaft 130 is an axis giving an angle for cutting the angle of the cut product, and the rotation of the second servo motor 152 is reduced by the second reducer 154 to cut the torch holder 140 by 45 ° from side to side. The torch 10 is an axis that allows cutting in an inclined state at any desired angle.

The torch rotating device and the oneCNC cutter using the same according to the present invention can be usefully used to angularly cut the iron plate in the shipyard or steel bridge construction site.

It is easy to make by using heavy, bulky bevel gear, etc. for torch rotation, so it is easy to make, lightweight, low interference, and quick operation.

The torch rotating device of the present invention can be applied to any device that needs to tilt the torch as well as the cutter.

1 is a front view of a torch rotating device according to the present invention,

2 is a longitudinal sectional view according to I-I of the torch rotating device of FIG. 1;

3 is a block diagram showing an example of oneCNC cutter to which the torch rotating device of FIG. 1 is applied;

Figure 4 is a block diagram showing another example of the oneCNC cutter to which the torch rotating device of Figure 1 is applied,

5 is a plan view for explaining the state of the cutting torch at the time of circular angle cutting;

FIG. 6 is a front view of FIG. 5.

Explanation of symbols on the main parts of the drawings

10: cutting torch 100: torch rotating device

110: first rotating shaft 120: first rotating shaft driving means

130: second rotation shaft 140: torch holder

150: the second rotary shaft driving means 200: oneCNC cutter

Claims (7)

In the torch rotator, First rotating shaft; First rotating shaft driving means for rotating the first rotating shaft; A second rotation shaft installed to be inclined to the first rotation shaft and connected to the torch holder for holding the torch to change the inclination angle of the torch holder with respect to the plane of the plate to be cut according to the rotation angle; And And a second rotary shaft driving means for rotating the second rotary shaft. According to claim 1, wherein the first rotating shaft is disposed perpendicular to the plane of the plate to be cut, The first rotating shaft drive means is a first servo motor, a first reducer connected to the output shaft of the first servo motor, And a power transmission means for transmitting the rotational power of the output shaft of the first reducer to the first rotational shaft to rotate the first rotational shaft. The torch rotating device according to claim 2, wherein the rotation range of the first rotating shaft is ± 360 °. The method of claim 1, wherein the second rotary shaft driving means comprises a second servo motor, a second reducer connected to the output shaft of the second servo motor and a connecting member connecting the output shaft of the second reducer and the torch. Torch rotator characterized in that. The torch rotating device according to claim 4, wherein the second servo motor and the second reducer are arranged in line with the second axis. The torch rotating device of claim 1, wherein the center line of the second rotation shaft is disposed to pass through an end of the torch to be mounted to the torch holder. OneCNC cutter provided with the torch rotating device of any one of Claims 1-6.
KR1020070082563A 2007-08-17 2007-08-17 Torch rotator for angled cutting and cnc cutting machine utilizing the same KR20090018260A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070082563A KR20090018260A (en) 2007-08-17 2007-08-17 Torch rotator for angled cutting and cnc cutting machine utilizing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070082563A KR20090018260A (en) 2007-08-17 2007-08-17 Torch rotator for angled cutting and cnc cutting machine utilizing the same

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KR20090018260A true KR20090018260A (en) 2009-02-20

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150001396U (en) 2013-10-01 2015-04-09 대우조선해양 주식회사 support for vessel main plate cutting machine
CN115415634A (en) * 2022-08-18 2022-12-02 中船澄西船舶修造有限公司 Mounting and connecting frame for flame gun head of numerical control flame cutting machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150001396U (en) 2013-10-01 2015-04-09 대우조선해양 주식회사 support for vessel main plate cutting machine
CN115415634A (en) * 2022-08-18 2022-12-02 中船澄西船舶修造有限公司 Mounting and connecting frame for flame gun head of numerical control flame cutting machine
CN115415634B (en) * 2022-08-18 2024-03-29 中船澄西船舶修造有限公司 Flame gun head installation connecting frame of numerical control flame cutting machine

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