JP3149110U - Portable cutting machine - Google Patents

Abstract

Provided is a portable cutting machine that can easily perform high-precision cutting work and that has good operability of a regulating valve. A portable cutting machine 1 includes a movement control box 4 disposed on a lower rail 3 in the Y direction so as to be movable in the Y direction, and two systems composed of fuel gas and oxygen gas from one end side to the other end side. An X-direction slide arm 5 containing a gas fluid line, and two gas lines of fuel gas and oxygen gas, which are arranged on the other end side of the X-direction slide arm 5, and a cut oxygen gas, for a total of three lines A gas supply pipe section 11 with three regulating valves for supplying the supply pipe, a cutting torch 12 for cutting an object supported on the other end side of the X-direction slide arm 5 and movable in the X and Y directions, and a gas It is attached to both operation pieces of the three gas supply pipe groups piped between the supply pipe section 11 and the cutting torch 12 and the two gas control valves 8 and 9 in the gas supply pipe section 11. , Adjust them simultaneously And configured to have a valve operating member. [Selection] Figure 1

Description

  The present invention relates to a portable cutting machine that blows cutting oxygen gas while burning fuel gas and oxygen gas to perform cutting processing of an object to be cut.

  Conventionally, as this type of portable gas cutting machine, for example, a handy type gas cutting machine in which an operator manually operates a cutting torch to cut an object to be cut is known. In this case, it is difficult to cut an object to be cut with high precision unless the operator has acquired a high level of skill.

  In Patent Document 1, a gas cutting torch is mounted on a carriage movably provided along a rail member, and a gas distributor connected to the gas cutting torch is provided at an end of the rail member. Gas cutting device having a structure in which a fuel gas supply hose for supplying fuel gas distributed by a gas, a preheating oxygen supply hose for supplying preheating oxygen gas, and a cutting oxygen supply hose for supplying cutting oxygen gas are connected to a gas cutting torch Is disclosed.

In the case of this gas cutting apparatus, although the gas cutting torch is movable in the direction of the carriage, it is presumed that the operation means for controlling the operation of the gas cutting apparatus is arranged at another position.
For this reason, especially when the cutting part has a long dimension, it is possible for the operator to perform a required operation from the operating means while looking closely at the gas ejection state from the gas cutting torch or the cutting state of the cutting part. Have difficulty.

Further, in the case of this gas cutting device, the adjustment valves for adjusting the fuel gas and oxygen gas supplied to the gas cutting torch must be individually operated, and these operations are complicated.
JP 2007-61900 A

  The problem to be solved by the present invention is that the operator can perform the necessary operation for performing high-precision cutting work while looking closely at the gas ejection state from the gas cutting torch and the cutting state of the cutting portion. There is no portable cutting machine in which the operability of the regulating valve for regulating gas and oxygen gas is extremely good.

  A portable cutting machine according to the present invention includes a movement control box for performing a cutting operation / control arranged on a lower rail arranged in the Y direction so as to be movable in the Y direction by a moving mechanism, and the movement control box in the X direction. It penetrates and is attached to the movement control box so as to be movable in the X direction by the movement mechanism, and has two fluid lines for gas consisting of fuel gas and oxygen gas from one end side to the other end side. The X-direction slide arm and the other end side of the X-direction slide arm are arranged to supply a total of three gas lines, that is, two gas lines including fuel gas and oxygen gas, and a cutting oxygen gas toward the cutting torch. A gas supply piping section, a cutting torch for cutting an object that is supported on the other end side of the X-direction slide arm and is movable in the X and Y directions, and the gas supply piping section and the cutting torch Are attached to both operation pieces of the three systems of gas supply pipes piped between the two pipes and the two control valves arranged at either position of the two systems of gas pipes. The main feature is to have a valve operating member that adjusts simultaneously.

  According to the first aspect of the present invention, the movement control box is provided while closely viewing the gas ejection state from the gas cutting torch and the cutting state of the cutting portion of the object to be cut while being located near the movement control box. Operates buttons, keys, etc. to perform highly accurate cutting operations on the object to be cut, and allows both control valves to be operated simultaneously, allowing fuel gas and oxygen gas to flow In addition, it is possible to provide a portable cutting machine that can perform operations such as shut-off and flow rate adjustment at the same time and in a simple and easy manner and has extremely good operability.

  According to the second aspect of the present invention, the moving control box is provided in the movement control box while looking closely at the gas ejection state from the gas cutting torch and the cutting state of the cutting portion in the cutting object while being located near the movement control box. Operate buttons, keys, etc. to perform highly accurate cutting operations on the object to be cut, and operate both adjustment valves simultaneously on the other end of the X-direction slide rail It is possible to provide a portable cutting machine that can perform operations such as fuel gas and oxygen gas flow, shut-off, and flow rate adjustment simultaneously and easily and with extremely good operability.

  According to the third aspect of the invention, the movement control box is provided while closely viewing the gas ejection state from the gas cutting torch and the cutting state of the cutting portion of the object to be cut while being located near the movement control box. The buttons and keys can be operated to perform highly accurate cutting operations on the object to be cut, and both control valves can be operated simultaneously on one end of the X-direction slide rail. It is possible to provide a portable cutting machine that can perform operations such as fuel gas and oxygen gas distribution, shut-off, and flow rate adjustment at the same time and in a simple and easy manner, and has extremely good operability.

  In the present invention, the operator can perform the necessary operations for performing high-precision cutting work while looking closely at the gas ejection state from the gas cutting torch and the cutting state of the cutting portion. The object of the present invention is to provide a portable cutting machine in which the operability of the adjusting valve for adjusting is extremely good.

  The present invention includes a movement control box that performs a cutting operation / control arranged on the lower rail arranged in the Y direction so as to be movable in the Y direction by the movement mechanism unit, and penetrates the movement control box in the X direction, and An X-direction slide arm that is attached to the movement control box so as to be movable in the X-direction by a movement mechanism unit and that has a built-in fluid conduit for two systems of fuel gas and oxygen gas from one end side to the other end side And three gas supply pipes with three regulating valves that are arranged on the other end side of the X-direction slide arm and perform a total of three gas supply pipes, that is, two gas gas and cutting oxygen gas comprising fuel gas and oxygen gas And a cutting torch for cutting an object that is supported in the other end side of the X-direction slide arm and is movable in the X and Y directions, and piped between the gas supply piping section and the cutting torch 3 system Of a gas cutting pipe and a valve operating member that is mounted on both operation pieces of each of the two control valves for gas in the gas supply piping section and adjusts these simultaneously. The above purpose was realized.

Hereinafter, a portable cutting machine according to an embodiment of the present invention will be described in detail with reference to FIGS.
As shown in FIG. 1, the portable cutting machine 1 according to the present embodiment has a cutting operation in which a moving mechanism unit is arranged to be movable in the Y direction on the lower rail 3 arranged in the Y direction on the pair of bases 2. A box-shaped movement control box (control box) 4 that performs control, and the movement control box 4 are attached to the movement control box 4 so as to be movable in the X direction by the movement mechanism unit. In addition, an X-direction slide arm 5 having two gas fluid passages 6 and 7 made of fuel gas and oxygen gas extending from one end side to the other end side is disposed on the other end side of the X-direction slide arm 5. The gas supply pipe section 11 with three control valves 8, 9, and 10 for performing a total of three gas supply pipes, that is, a two-system gas consisting of fuel gas and oxygen gas and a cutting oxygen gas (see FIG. 1 schematically) X) A cutting torch 12 for cutting an object that is supported on the other end side of the directional slide arm 5 and is movable in the X and Y directions, and three systems piped between the gas supply piping unit 11 and the cutting torch 12 The gas supply pipes 13, 14, 15 are connected to both operation pieces 8 a, 9 a of the two gas control valves 8, 9 in the gas supply piping section 11. And a valve operating member 16 as shown in FIG.

  The movement control box 4 is coupled to the lower rail 3 by a known rack and pinion mechanism, and is configured to be movable on the lower rail 3 in the Y + direction and the Y− direction.

  That is, rack portions 17 are provided on both side surfaces of the lower rail 3, and a pair of lower support bodies 4a project from the lower portion of the movement control box 4 downward. Although not shown, facing each other toward the lower rail 3 side of the support 4a, a pair of pinions are meshed with the rack portions 17, so that the movement control box 4 extends over the lower rail 3 in the state where Y + It is configured to be movable in the direction and the Y-direction.

  The X-direction slide arm 5 is coupled to the movement control box 4 by a known rack and pinion mechanism section that is a movement mechanism section, and can move in the X + direction and the X-direction while penetrating the movement control box 4. It is configured.

  That is, a pair of rack portions 18 are provided on both side surfaces of the X-direction slide arm 5 along the length direction, and a pair of pinions (not shown) disposed in the movement control box 4 are connected to the racks. By being engaged with each of the portions 18, the X-direction slide arm 5 can be moved in the X + direction and the X− direction while penetrating the movement control box 4.

  The pinion disposed on the lower support 4a and the rotation drive system of the pinion disposed in the movement control box 4 will be described later.

  As shown in FIG. 2 in an enlarged manner, the gas supply pipe 11 includes a substantially rectangular parallelepiped base 19 disposed on the other end of the X-direction slide arm 5 and three bases 19 attached to the base 19. It has regulating valves 8, 9, and 10.

  The regulating valves 8 and 9 are constituted by, for example, a toggle valve, and the regulating valve 10 is constituted by an electromagnetic valve.

  The adjusting valves 8 and 9 are configured to allow fuel gas and oxygen gas to flow in from the two gas fluid lines 6 and 7 through the two holes 20 and 21 provided in the base portion 19. ing.

  Further, one end of the pipes 13 and 14 is connected to the discharge side of the regulating valves 8 and 9.

  The control valve 10 is configured to supply cutting oxygen gas separately and to connect one end of the pipe 15 to the discharge side thereof.

  Then, the other ends of the three gas supply pipes 13, 14, 15 are connected to the cutting torch 12, cutting oxygen gas is injected from the tip of the cutting torch 12, and the cutting object M such as a steel plate is cut. To do.

  The cutting torch 12 is supported on the other end side of the X-direction slide arm 5 via a known connector 22, whereby the cutting torch 12 is interlocked with the X-direction slide arm 5 in the X + direction and the X− direction. The movement control box 4 is movable in the Y + direction and the Y− direction in conjunction with the movement of the movement control box 4 in the Y + direction and the Y− direction.

  As shown in FIG. 2 and FIG. 3, the two operation pieces 8a and 9a for opening and closing the valve in each of the two systems of gas adjustment valves 8 and 9 are valves for adjusting the operation pieces 8a and 9a at the same time. An operation member 16 is attached.

  That is, the regulating valves 8 and 9 are attached to the base body 19 in a parallel arrangement, and the operation pieces 8a and 9a protrude in the same direction, and a pair provided on the base 16a of the valve operating member 16 is provided. The operation pieces 8a and 9a are fitted into the holes 16b at the same time.

  Then, the operator operates the knob portion 16c integrated with the base portion 16a to displace both the operation pieces 8a and 9a at the same time. For example, both the adjusting valves 8 and 9 are opened as shown in the upper column of FIG. Adjustment is made as in the closed state shown in the lower column, and the operations such as fuel gas and oxygen gas flow, shut-off, flow rate adjustment, etc. in both control valves 8 and 9 can be executed simultaneously and simply. Yes.

  FIG. 4 shows an operation panel 30 provided on the front surface of the movement control box 4. The operation panel 30 includes a liquid crystal display (LCD Display) 31, function keys (Function Keys) 32, input / command keys (Input / Command Keys) 33, a start button 34, and a stop / stop button 35.

  An emergency stop button 36 and a power button 37 are disposed on the lower wall surface of the operation panel 30.

  FIG. 5 shows a main part of a control system built in the movement control box 4 in the portable cutting machine 1 according to the present embodiment. This control system includes a control unit 41 that performs overall control, and an operation program. A Y-direction drive motor 43 that has a ROM 42 stored therein and rotationally drives a pinion disposed on the lower support 4a by the control unit 41, and an X-direction drive motor 44 that rotationally drives the pinion disposed in the movement control box 4 Is configured to control.

  Further, the control unit 41 controls the operation of each element of the operation panel 30 and further executes an operation corresponding to the button operation of the emergency stop button 36 and the power button 37.

  According to the portable cutting machine 1 according to the present embodiment, the cutting torch 12 can be moved in the X + direction and the X− direction in conjunction with the X direction slide arm 5, and the movement control box 4 has the Y + direction, Y It is configured to be movable in the Y + direction and the Y− direction in conjunction with the movement in the − direction.

  Accordingly, the operator of the portable cutting machine 1 can also monitor the liquid crystal display while looking closely at the gas ejection state from the cutting torch 12 and the cutting state at the cutting object M while being located near the movement control box 4. While confirming the display information 31, the buttons, keys, and the like provided on the movement control box 4 can be operated to perform an operation for performing a highly accurate cutting operation on the cutting object M.

  Further, during the cutting work by the portable cutting machine 1, the operator operates the knob 16c of the valve operating member 16 as necessary, so that the fuel gas and oxygen gas can be circulated and shut off in both the regulating valves 8 and 9. Each operation such as flow rate adjustment can be performed simultaneously and easily and easily, and the portable cutting machine 1 with extremely good operability regarding both the regulating valves 8 and 9 can be realized.

  Next, a modified example of the portable cutting machine 1 according to the present embodiment will be described with reference to FIG.

  Since the basic configuration of this modification is the same as that of the above-described embodiment, only the characteristic portion is shown in FIG.

  In this modified example, one end side gas supply piping part 51 is arranged on one end side of the two fluid conduits 6 and 7 built in the X-direction slide arm 5, and the one end side gas supply piping part 51 is already connected to the one end side gas supply piping part 51. Similarly to the case described above, the two gas control valves 8 and 9 for fuel gas and oxygen gas are attached, and the other end side gas supply piping section is provided on the other end side of the X-direction slide arm 5. 52, and the other end side gas supply piping section 52 performs gas supply piping of three systems in total, that is, two systems of gas composed of fuel gas and oxygen gas and cutting oxygen gas, as described above. In addition, as in the case described above, the operation pieces 8a and 9a in the both adjustment valves 8 and 9 provided in the one end side gas supply pipe section 51 are simultaneously adjusted as described above. The valve operating member 16 is mounted A.

  Other configurations are the same as those in the above-described embodiment.

  Also in the modified example shown in FIG. 6, an operation for performing a high-precision cutting operation on the cutting object M can be easily performed as in the case described above, and at the one end side of the X-direction slide arm 5. When the operator operates the knob 16c of the valve operating member 16 as necessary, the operations such as fuel gas and oxygen gas flow, shut-off, flow rate adjustment, etc. in both the regulating valves 8 and 9 are performed simultaneously, and It can be performed simply and easily, and the operability with respect to both the regulating valves 8 and 9 is extremely good.

  The present invention can be applied not only to the above-described gas cutting machine but also to a plasma cutting machine that performs plasma cutting by injecting plasma onto an object to be cut.

It is a schematic perspective view which shows the whole structure of the portable cutting machine which concerns on the Example of this invention. It is an expansion perspective view of two types of regulating valves and valve operation members in the portable cutting machine concerning this example. It is an expansion perspective view of the valve operation member in the portable cutting machine concerning this example. It is a front view of the operation panel in the portable cutting machine concerning a present Example. It is a block diagram which shows the control system in the portable cutting machine which concerns on a present Example. It is a schematic perspective view which shows only the principal part of the modification of the portable cutting machine which concerns on a present Example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Portable cutting machine 2 Base 3 Lower rail 4 Movement control box 4a Lower side support body 5 X direction slide arm 6 Fluid pipe line 7 Fluid pipe line 8 Control valve 8a Operation piece 9 Adjustment valve 9a Operation piece 10 Adjustment valve 11 Gas supply Piping portion 12 Cutting torch 13 Pipe 14 Pipe 15 Pipe 16 Valve operation member 16a Base portion 16b Hole 16c Knob portion 17 Rack portion 18 Rack portion 19 Base portion 20 Hole portion 21 Hole portion 22 Connector 30 Operation panel 31 Liquid crystal display 32 Function key 33 Input / Command Key 34 Start Button 35 Stop / Stop Button 36 Emergency Stop Button 37 Power Button 41 Control Unit 42 ROM
43 Y direction drive motor 44 X direction drive motor 51 One end side gas supply piping part 52 Other end side gas supply piping part M Cutting object

Claims (3)

A movement control box for performing a cutting operation / control arranged on the lower rail arranged in the Y direction so as to be movable in the Y direction by the moving mechanism unit;
The movement control box passes through the movement control box in the X direction, and is attached to the movement control box so as to be movable in the X direction by a movement mechanism unit. An X-direction slide arm with a built-in gas fluid line;
A gas supply piping section that is disposed on the other end side of the X-direction slide arm, and supplies a total of three gas lines, that is, two gas lines consisting of fuel gas and oxygen gas, and a cutting oxygen gas toward the cutting torch;
A cutting torch for cutting an object that is supported on the other end side of the X-direction slide arm and is movable in the X and Y directions;
A group of three gas supply pipes piped between the gas supply pipe section and the cutting torch;
A valve operating member that is mounted on both operation pieces of the two regulating valves disposed at any position of the two gas piping paths, and that adjusts these simultaneously;
A portable cutting machine comprising: A movement control box for performing a cutting operation / control arranged on the lower rail arranged in the Y direction so as to be movable in the Y direction by the moving mechanism unit;
The movement control box passes through the movement control box in the X direction, and is attached to the movement control box so as to be movable in the X direction by a movement mechanism unit. An X-direction slide arm with a built-in gas fluid line;
A gas supply pipe section with three regulating valves, which is disposed on the other end side of the X-direction slide arm and performs a total of three gas supply pipes of two systems of fuel gas and oxygen gas and cutting oxygen gas; ,
A cutting torch for cutting an object that is supported on the other end side of the X-direction slide arm and is movable in the X and Y directions;
A group of three gas supply pipes piped between the gas supply pipe section and the cutting torch;
A valve operating member that is mounted on both operation pieces of each of the two control valves for gas in the gas supply piping section, and adjusts these simultaneously;
A portable cutting machine comprising: A movement control box for performing a cutting operation / control arranged on the lower rail arranged in the Y direction so as to be movable in the Y direction by the moving mechanism unit;
The movement control box passes through the movement control box in the X direction, and is attached to the movement control box so as to be movable in the X direction by a movement mechanism unit. An X-direction slide arm having a gas supply piping section having one end side, in which a fluid pipe for gas is built-in, and two gas regulating valves are arranged in front of the two fluid pipes;
The other end side gas supply piping part which is arranged on the other end side of the X direction slide arm and performs gas supply piping of a total of three systems of two systems of fuel gas and oxygen gas and cutting oxygen gas;
A cutting torch for cutting an object that is supported on the other end side of the X-direction slide arm and is movable in the X and Y directions;
A group of three gas supply pipes piped between the gas supply pipe section and the cutting torch;
A valve operating member that is mounted on both operation pieces of the gas regulating valve of the two systems of the one end side gas supply piping unit, and adjusts these simultaneously;
A portable cutting machine comprising:

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