KR20110065198A - Pipe position control device and cutting machine therewith - Google Patents

Abstract

PURPOSE: A device for controlling the position of a pipe and a cutting machine comprising the same are provided to enable the cutting operation of the pipe to be conveniently performed since the heights and gaps of different diameters of pipes are controlled by controlling of the gap of roller members using a gap control member even if the diameter of a pipe changes. CONSTITUTION: A device(80) for controlling the position of a pipe comprises a plurality of roller members(82), a gap control member, and a lift unit(100). The roller members are installed on a support plate(84). The pipe is placed on the roller member. The gap control member is formed on the support plate. The gap control member controls the gap between roller members depending on the diameter of the pipe. The lift unit is supported on the floor plate(104), which is located on the bottom of the support plate. The lift unit lifts the support plate to control the height of the pipe.

Description

PIPE POSITION CONTROL DEVICE AND CUTTING MACHINE THEREWITH}

The present invention relates to a pipe position adjusting device and a cutting device having the same, and more particularly, the pipe is placed in a roller member to adjust its position, and the cutting is performed by cutting the plasma by rotating the pipe with a fixed part driven by a driving unit. It relates to a pipe positioning device and a cutting device having the same to perform a convenient operation.

In general, the bellows-type expansion pipe is a pipe member used for the purpose of buffering and absorbing vibration shock in precision equipment requiring high vacuum, elasticity, stability, and vibration absorption in various fields such as aerospace, semiconductor manufacturing, and nuclear facilities. It is a kind of.

Bellows type expansion tube (hereinafter referred to as expansion tube) is a bellows assembly to withstand the expansion and contraction of each section of the pipe member in order to prevent the pipe member from being expanded and damaged by the high temperature fluid moving therein. Are connected to each other by pipe members and by welding.

1 is a view showing the configuration of a typical expansion pipe.

Both sides of the bellows assembly 10 are provided with welding pipe members 16 spaced apart from each other at regular intervals.

The bellows assembly 10 includes an end pipe member 15 which is spaced apart by welding so as to be connected to the pipe member 16, a bellows 12 which causes the pipe member 16 to expand or contract when the pipe member 16 is expanded, and a bell A pair of flange members 18 positioned at both ends of the rose 12 and a connection joint 14 connecting the flange members 18 to each other to restrain excessive expansion of the bellows 12 are provided.

The bellows 12 is configured to be expanded or folded by giving a corrugated metal tube of different diameters.

The connecting joint 14 forms a threaded portion at both ends of the connecting shaft which is inserted into the hole of the flange member 18, and tightens the nut to the threaded portion so that the bellows 12 is supported by the supporting shaft even if the bellows 12 expands. Expansion).

In addition, in order to reinforce the rigidity of the bellows assembly 10, the end pipe member 15 and the flange member 15 are formed with reinforcing pieces 19 connected to each other.

The technical structure described above is a background technique for assisting the understanding of the present invention, and does not mean the prior art widely known in the technical field to which the present invention belongs.

However, in the related art, in order to cut a pipe, such as an end pipe member and a pipe member, a worker places the pipe on a workbench, and the cutting operation is performed while moving along the circumference of the pipe, so that the diameter of the pipe increases or decreases. This was very uncomfortable and difficult problem.

Thus, there is a need for improvement.

The present invention is created by the necessity as described above, the pipe is placed in the roller member to adjust the position, the pipe is rotated in the fixed portion rotated by the drive to cut the plasma pipe to perform the pipe cutting operation conveniently It is an object to provide a position adjusting device and a cutting machine having the same.

Pipe position adjusting device according to the present invention for achieving the above object is provided with a support plate, a plurality of roller members for placing the pipe; A gap adjusting part formed on the support plate to adjust the gap of the roller member according to the diameter of the pipe; And an elevating part supported by a bottom plate positioned below the support plate so as to adjust the height of the pipe to elevate the support plate.

In addition, the roller member is installed to be open to both sides with respect to the vertical radial center line of the pipe, characterized in that the pipe is rotatably supporting the outer circumferential surface.

In addition, the gap adjusting portion is coupled to the lower side of the roller member, a plurality of moving blocks for supporting the roller member while being in contact with the upper side of the support plate; Horizontal screws each of which is formed to be pinched or unrolled by threads formed in opposite directions with respect to the center of the corresponding moving block; And a supporting member on which the horizontal screw is rotatably supported.

In addition, one end of the horizontal screw is provided with a rotary knob, characterized in that the side of the support plate is provided with a scale display member for measuring the lifting height of the pipe.

In addition, the elevating unit is installed in the bottom plate, the housing to form a screw hole open to the upper; A vertical screw fastened to the screw hole of the housing and moving along the screw hole to lift and lift the support plate; And it characterized in that it comprises a guide for allowing the support plate to be guided when lifting from the bottom plate.

In addition, the vertical screw is characterized in that the rotary lever further assists the rotation of the vertical screw.

In addition, the guide portion fixing plate provided between the support plate and the bottom plate; A lifting shaft which is slidably installed on the fixing plate and whose one end is coupled to a bottom surface of the supporting plate; A bearing member coupled to the fixed plate to guide the sliding movement of the lifting shaft; And the other end of the lifting shaft is slidably fitted, characterized in that it comprises a cylinder member for guiding the vertical movement of the lifting shaft.

In addition, a cutting machine having a pipe positioning device according to the present invention includes: a base; A frame member disposed above the base; A fixing part provided in the frame member to fix the pipe in a center direction of the base to be rotatable; A driving unit providing a driving force to the fixing unit; And positioned on the base, characterized in that it comprises a pipe position adjusting device for adjusting the position of the pipe so that the pipe fixed in the fixed portion.

In addition, the fixing part enters the inside of the pipe chuck member which is rotated by the drive unit; And a spindle mounted to the chuck member so as to be rotatable and fixed to the frame member.

The driving unit may include a driving motor provided in the frame member; A drive sprocket coupled to the drive motor; And a chain wound at one end of the driving sprocket and wound at the other end of the driven sprocket to transmit power to the fixing unit.

In addition, the drive unit is characterized in that the gear is further provided.

In addition, the pipe positioning device includes a plurality of roller members installed on the support plate so that the pipe is placed; A gap adjusting part formed on the support plate to adjust the gap of the roller member according to the diameter of the pipe; And an elevating part supported by a bottom plate positioned below the support plate so as to adjust the height of the pipe to elevate the support plate.

In addition, the pipe position adjusting device is provided with a moving part to be movable in the base, the moving part is a guide rail formed in the longitudinal direction on the base; And characterized in that it comprises a guide roller formed on the bottom surface of the bottom plate to move along the guide rail.

As described above, the pipe position adjusting device according to the present invention adjusts the distance between the pair of roller members by using the gap adjusting part to settle the pipes of different diameters, and the height of the pipe by using the lifting part to adjust the pipe Has the effect of conveniently adjusting the installation position of the.

In addition, the cutting machine according to the present invention adjusts the position of the height and spacing of the pipe by placing the pipe in the roller member, and by cutting the plasma by rotating the pipe to a fixed part driven by the drive unit when the diameter of the pipe is variable Edo has the effect of making the pipe cutting work convenient.

Hereinafter, with reference to the accompanying drawings will be described a pipe position adjusting device and a cutting device having the same according to a preferred embodiment of the present invention. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

2 is a perspective view of a cutting machine according to an embodiment of the present invention, Figure 3 is a front view of the cutting machine according to an embodiment of the present invention, Figure 4 is a plan view of a cutting machine according to an embodiment of the present invention, Figure 5 6 is a perspective view of a pipe positioning device according to an embodiment of the present invention, Figure 6 is a front view of the pipe positioning device according to an embodiment of the present invention, Figure 7 is a pipe position adjustment according to an embodiment of the present invention 8 is a right side view of the apparatus, and FIG. 8 is a state diagram of the use of the cutter according to an embodiment of the present invention.

5 to 7, the pipe position adjusting device 80 according to an embodiment of the present invention includes a plurality of roller members 82 provided on the support plate 84 and allowing the pipe 20 to be placed therein. The bottom plate positioned below the support plate 84 to adjust the height of the pipe 20 and the gap adjusting portion 90 formed on the support plate 84 to adjust the distance of the roller member 82 according to the diameter of the pipe 20. And a lifting unit 100 supported by the 104 and lifting the support plate 84 up and down.

The support plate 84 preferably uses a rectangular plate body.

The roller member 82 is rotatably supported by a bracket for supporting the side surface.

The roller members 82 are installed to be open to both sides with respect to the vertical radial center line of the pipe 20, respectively, and the pipe 20 supports the outer circumferential surface so as to be rotatable.

The gap adjusting unit 90 is coupled to the lower side of the roller member 82, a plurality of moving blocks 92 for supporting the roller member 82 while being in contact with the upper side of the support plate 84, the corresponding moving block ( The horizontal screw 94 and the horizontal screw 94 are rotatably supported by the screw member formed in the roller member 82, respectively, by the threads formed in the opposite direction relative to the center of the support 92 It is made, including.

The moving block 92 is a rectangular parallelepiped block, and is installed on the support plate 84 to be spaced apart or interviewed finely.

The movable block 92 is stably supported by the pipe 20 by being opened or retracted by the rotation of the horizontal screw 94 according to the diameter of the pipe 20 placed in the roller member 82.

The scale display member may be integrally or mountably mounted on the support plate 84 in order to display the horizontal movement due to the opening and closing of the moving block 92.

And, the support member 98 is provided with a bearing in the rotating portion so that the horizontal screw 94 is smoothly rotated while supporting the load of the pipe (20).

One end of the horizontal screw 94 is provided with a rotary knob 96.

The upper end of the horizontal screw 94 is integrally rotatably coupled to the support plate 84.

The side of the support plate 84 is provided with a graduation display member 86 for measuring the lifting height of the pipe 20.

The graduation display member 86 is preferably used by attaching a ruler of synthetic resin material or metal material.

The elevating part 100 is installed in the bottom plate 104 and is fastened to the screw hole of the housing 106 and the housing 106 to form a screw hole opened upward, and moves along the screw hole by rotation to support the plate. The vertical screw 94 and the support plate 84 for elevating the 84 are made to include a guide portion 110 to guide when the elevating on the bottom plate 104.

The housing 106 is formed in a cylindrical shape. Of course, the present invention is not limited thereto and may be configured in a hexahedron or various shapes.

The vertical screw 94 is further provided with a rotary lever 109 to help the rotation of the vertical screw 94.

The rotary lever 109 is formed by extending a plurality of long rods radially from the upper end of the vertical screw (94).

The guide part 110 is slidably installed on the fixed plate 102 and the fixed plate 102 provided between the support plate 84 and the bottom plate 104, and has one end coupled to a bottom surface of the support plate 84 ( 112, the bearing member 114 coupled to the fixed plate 111 and the other end of the lifting shaft 112 are slidably fitted to guide the sliding movement of the lifting shaft 112, and the vertical movement of the lifting shaft 112 is performed. It comprises a guide cylinder member 116.

The lifting shaft 112 and the bearing member 114 is preferably formed in four of each one of the four corners of the fixing plate 102.

The bearing member 114 is preferably a sliding bearing.

The cylinder member 116 serves to cushion the impact as well as the guide when the lifting shaft 112 moves up and down.

Hereinafter, a cutting machine equipped with a pipe position adjusting device 80 will be described.

2 to 4 and 8, the cutting machine according to an embodiment of the present invention, the base member 30, the frame member 40, the frame member 40 disposed upward from one edge of the base 30 It is provided on, and is positioned on the fixing part 50 for rotatably fixing the pipe 20 in the center direction of the base 30, the driving part 70 for providing a driving force to the fixing part 50 and the base 30 It includes a pipe position adjusting device 80 for adjusting the position of the pipe 20 so that the pipe 20 fixed to the fixing portion 50 is cut.

The base 30 uses a rectangular plate body having a long length and a constant thickness.

The frame member 40 is formed to protrude in a rectangular parallelepiped shape upward from one edge of the base 30.

The fixed part 50 enters the inside of the pipe 20 and is installed on the frame member 40 so that the chuck member 54 and the chuck member 54 which are rotated by the driving part 70 are rotatable. )

On the other hand, a plurality of jaws (58, jaw) is formed in the chuck member 54 to tighten the outer or inner side of the pipe 20 to be fixed.

The outer side of the pipe 20 fixed to the chuck member 54 is provided with a plasma generator 60 which is supported on the bottom and formed in a torch shape and discharges high pressure plasma gas.

In the plasma cutting method, when an electric arc discharge occurs in gaseous air, hydrogen, oxygen gas, etc., the gas partially becomes plasma, which is shrunk by a thermal method or a physical method, and the maximum temperature is about 20,000 to 30,000. The steel is melted and cut locally by bringing it to about ℃ and touching the pipe to be cut. At this time, the high pressure gas may be blown to the melted portion to improve pipe cutting.

One end of the driving unit 70 is wound around the driving motor 72 provided on the frame member 40, the driving sprocket 74 and the driving sprocket 74 coupled to the driving motor 72, and the other end of the driving sprocket 78. ) Is wound around the chain (76) for transmitting power to the fixing part (50).

The drive unit 70 is further provided with a reducer 79.

Pipe positioning device 80 may be installed on the base 30, as shown in the figure two. And, since the pipe position adjusting device 80 has already been described in detail above, a detailed description thereof will be omitted.

The moving unit 120 is provided so that the pipe position adjusting device 80 is movable in the base 30.

And, the moving part 120 includes a guide rail 122 formed in the longitudinal direction on the base 30 and the guide roller 124 formed on the bottom surface of the bottom plate 104 to move along the guide rail 122. It is done by

Or less, on the basis of the accompanying drawings to look at the operation and action of the pipe positioning device and the cutting device having the same according to an embodiment of the present invention.

First, as shown in Figures 2 to 8, the worker is to place the pipe 20 for cutting in the roller member 82.

At this time, when the diameter of the pipe 20 is not matched, when the horizontal screw 94 is rotated while holding the rotary knob 96, the moving block 92 is opened or retracted based on the center of the horizontal screw 94. According to adjust the interval of the roller member (82).

And, if the height of the pipe 20 does not match, the screw hole of the housing 106 supported on the bottom plate 104 by rotating the vertical screw 108 located in the lower portion of the support plate 84 with the rotary lever 109 The height of the support plate 84 is adjusted while moving in the screw coupling.

At this time, the lifting shaft 112 fixed to the four corners of the support plate 84 along the shanghaidong of the support plate 84 guides to the cylinder member 116 installed at the four corners of the bottom plate 104 through the fixing plate 111. While assisting the movement of the support plate 84.

As such, in the state where the position of the pipe 20 is adjusted, the pipe position adjusting device using the guide roller 124 formed on the bottom surface of the bottom plate 104 along the guide rail 122 formed on the base 30. Move 80 in the direction of the chuck member 54.

Pipe position adjusting device 80 is preferably provided with about two in consideration of the length of the pipe (20).

At this time, the pipe 20 transferred to the chuck member 54 is fixed to the jaw 58 of the chuck member 54.

Then, when the operator operates the driving unit 72 to operate the driving unit (not shown), the power is transmitted to the driven sprocket 78 through the chain 76 wound around the driving sprocket 74, the power is the spindle The pipe 20 is rotated on the roller member 82 while rotating the chuck member 54 through 52.

Subsequently, referring to FIG. 8, the operator operates the operation unit (not shown) outside the pipe 20 fixed to the chuck member 54 and supplies power to use the high pressure gas discharged from the plasma generator 60. To cut the rotating pipe (20).

Pipe position adjusting device 80 according to the present invention by using the gap adjusting unit 90 to adjust the interval of the pair of roller members 82 to stably set the pipe 20 of different diameters, elevating unit Since the height of the pipe 20 is adjusted using the 100, the installation position of the pipe can be conveniently adjusted.

In addition, the cutting machine according to the present invention by placing the pipe 20 in the roller member 82 to adjust the position, such as the height and spacing of the pipe 20, to the fixed portion 50 to be driven by the drive unit 70 Since the pipe is cut by plasma, pipe cutting can be conveniently performed even when the diameter of the pipe is variable.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art to which the art belongs can make various modifications and other equivalent embodiments therefrom. I will understand.

As described above, although the pipe 20 related to the bellows assembly 10 has been described as an example, the cutter of the present invention can be used to cut pipes applied in various fields.

Therefore, the true technical protection scope of the present invention will be defined by the claims below.

1 is a view showing the configuration of a typical expansion pipe.

2 is a perspective view of a cutting machine according to an embodiment of the present invention.

3 is a front view of a cutting machine according to an embodiment of the present invention.

4 is a plan view of a cutting machine according to an embodiment of the present invention.

5 is a perspective view of a pipe positioning device according to an embodiment of the present invention.

6 is a front view of the pipe positioning device according to an embodiment of the present invention.

7 is a right side view of the pipe position adjusting device according to an embodiment of the present invention.

8 is a state diagram used in the cutting machine according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

20 pipe 30 base

40 frame member 50 fixed part

52: spindle 54: chuck member

70: drive unit 72: drive motor

74: drive sprocket 76: chain

80: pipe position adjusting device 82: roller member

84: support plate 90: spacing adjuster

92: moving block 94: horizontal screw

100: lifting unit 104: bottom plate

108: vertical screw 110: guide part

111: fixing plate 112: lifting shaft

114: bearing member 120: moving part

Claims (13)

A plurality of roller members provided on the support plate to allow the pipes to be settled; A gap adjusting part formed on the support plate to adjust the gap of the roller member according to the diameter of the pipe; And And an elevating part supported by a bottom plate positioned below the support plate to adjust the height of the pipe to lift the support plate. The method of claim 1, The roller member is installed to be spread on both sides with respect to the vertical radial center line of the pipe, the pipe position adjusting device, characterized in that the pipe rotatably supports the outer circumferential surface. The method of claim 1, A plurality of moving blocks coupled to a lower side of the roller member and supporting the roller member while being in contact with an upper side of the support plate; Horizontal screws each of which is formed to be pinched or unrolled by threads formed in opposite directions with respect to the center of the corresponding moving block; And And a support member on which the horizontal screw is rotatably supported. The method of claim 3, wherein One end of the horizontal screw is provided with a rotary knob, Side surface of the support plate is a pipe position adjustment device characterized in that the graduation display member for measuring the lifting height of the pipe is provided. The method of claim 1, The elevating unit is installed in the bottom plate, the housing to form a screw hole open to the upper; A vertical screw fastened to the screw hole of the housing and moving along the screw hole to lift and lift the support plate; And Pipe support device characterized in that it comprises a guide for guiding the lifting plate when the lifting plate in the bottom plate. The method of claim 5, The vertical screw pipe positioning device, characterized in that further provided with a rotary lever to help the rotation of the vertical screw. The method of claim 5, The guide portion fixing plate provided between the support plate and the bottom plate; A lifting shaft which is slidably installed on the fixing plate and whose one end is coupled to a bottom surface of the supporting plate; Bearing member coupled to the fixed plate to guide the sliding movement of the lifting shaft: And The other end of the lifting shaft is slidably fitted, the pipe position adjusting device comprising a cylinder member for guiding the vertical movement of the lifting shaft. Base; A frame member disposed on the base; A fixing part provided in the frame member and rotatably fixing the pipe in the center direction of the base; A driving unit providing a driving force to the fixing unit; And And a pipe positioning device positioned on the base and adjusting a position of the pipe so that the pipe fixed at the fixing unit is cut. The method of claim 8, The fixing unit fixes the pipe, the chuck member rotated by the drive unit; And And a spindle installed on the frame member such that the chuck member is rotatable. The method of claim 8, The driving unit is a drive motor provided in the frame member; A drive sprocket coupled to the drive motor; And And a chain wound around the driving sprocket and the other end wound around a driven sprocket to transmit power to the fixed part. 11. The method of claim 10, The driving unit is a cutting machine, characterized in that further provided with a reducer. 11. The method of claim 10, The pipe positioning device includes a plurality of roller members installed on the support plate so that the pipe is placed; A gap adjusting part formed on the support plate to adjust the gap of the roller member according to the diameter of the pipe; And And a lifter supported by a bottom plate positioned below the support plate so as to adjust the height of the pipe to lift the support plate. 13. The method of claim 12, The pipe positioning device is provided with a moving part to be movable in the base, The moving part is a guide rail formed in the longitudinal direction on the base; And And a guide roller formed on the bottom surface of the bottom plate to move along the guide rail.

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