WO2023157988A1

WO2023157988A1 - Carriage capable of adjusting diagonal weaving pattern

Info

Publication number: WO2023157988A1
Application number: PCT/KR2022/002342
Authority: WO
Inventors: 김준기
Original assignee: 주식회사 태성스틸
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2023-08-24

Abstract

The present invention relates to a carriage capable of adjusting a diagonal weaving pattern and, more particularly, to a carriage capable of adjusting a diagonal weaving pattern by facilitating the adjustment of a diagonal weaving angle. In order to achieve the above objective, the present invention provides a carriage capable of adjusting a diagonal weaving pattern comprising: a holder unit to which a welder for welding a pipe is coupled; a vertical movement unit that moves the holder unit in the vertical direction from the tangent of the pipe; a horizontal movement unit coupled so as to move the vertical movement unit in the horizontal direction so as to position the holder unit at a welding site; a rotation unit to which one end of the horizontal movement unit is coupled so as to form a rotation axis so as to rotate the horizontal movement unit in both directions; a main body unit to which the rotation unit is coupled at an upper portion thereof; a belt unit provided on the inner side of the main body unit and provided so as to wrap around the circumference of the pipe; and a circumferential movement unit provided so as to move the main body unit along the belt unit in a circumferential direction of the pipe.

Description

Carriage with adjustable diagonal weaving pattern

The present invention relates to a carriage capable of adjusting an oblique weaving pattern, and more particularly, to a carriage capable of adjusting an oblique weaving pattern by facilitating adjustment of an oblique weaving angle.

In the case of steel pipes for water supply, since they are manufactured based on manual welding, there is a problem in that welding quality varies depending on the skill of the operator or quality deterioration occurs due to poor systematic control and management of welding parameters.

In addition, a device capable of automatically performing welding has been developed, but conventionally, it is composed of a welding torch, a conversion head unit that performs swing and tilting operations, a welding carriage, etc., so diagonal weaving is impossible. In order to enable oblique weaving, although it was possible to implement the oblique weaving function using a separate motor axis, the structure becomes complicated, the size of the entire system increases, and a separate motor axis is required, resulting in poor structural robustness of the oblique weaving axis. there was

As such, in the prior art, it was very difficult to secure the safety, durability, and reliability of the system because there is no oblique weaving function or a separate two-axis driving unit is added for oblique weaving. In addition, there is a problem in that the price is increased due to the additional driving unit and the possibility of deformation of the diagonal weaving structure is high due to the external environment according to the continuous use of field workers.

Korean Patent Registration No. 2008-0093673

An object of the present invention to solve the above problem is to provide a carriage capable of adjusting the diagonal weaving pattern by easily adjusting the angle of the diagonal weaving.

The technical problem to be achieved by the present invention is not limited to the above-mentioned technical problem, and other technical problems not mentioned can be clearly understood by those skilled in the art from the description below. There will be.

The configuration of the present invention for achieving the above object is a holder portion to which a welder is coupled for welding a pipe; a vertical movement unit provided to move the holder unit in a vertical direction from the tangential line of the pipe; a horizontal movable unit coupled to move the vertical movable unit in a horizontal direction so that the holder unit is positioned at a welding portion; a rotation unit provided to rotate the horizontal movement unit in both directions by combining one end of the horizontal movement unit to form a rotation shaft; A main body portion provided to be coupled to the rotating portion at an upper portion; a belt unit provided inside the main body unit and provided to surround the circumference of the pipe; and a circumferential moving part provided to move the body part in a circumferential direction of the pipe along the belt part.

In an embodiment of the present invention, the holder unit includes a holder body constituting a body; a holder hole formed inside the holder body and into which the welding machine is inserted; and a holder lever provided to fix the welding machine inserted into the holder hole.

In an embodiment of the present invention, the holder portion may include a holder frame to which the holder body is coupled; and a plurality of holder frame holes formed in the holder frame, wherein the holder frame holes may be formed in an arrangement having a plurality of rows and columns.

In an embodiment of the present invention, the vertical movement unit, a vertical motor for providing power; a first vertical pulley formed above the vertical motor and rotated by the power; a second vertical pulley formed to be spaced apart from the first vertical pulley; a vertical belt provided to connect the first vertical pulley and the second vertical pulley; a vertical frame coupled to a lower portion of the second vertical pulley and having a screw thread formed on an outer circumferential surface; And one end coupled to the holder portion, it may be characterized in that it comprises a vertical assembly provided to insert the vertical frame to the inner side.

In an embodiment of the present invention, the vertical coupling body is provided so that a screw thread engaged with a screw thread formed on the vertical frame is formed on an inner surface, and the vertical frame moves along the inside of the vertical coupling body according to the direction in which the vertical frame rotates. It may be characterized in that the depth to be inserted into is provided to be adjusted.

In an embodiment of the present invention, the horizontal moving unit, a horizontal motor for providing power; a first horizontal pulley formed on one side of the horizontal motor and rotated by the power; A second horizontal pulley formed to be spaced apart from the first horizontal pulley; a horizontal belt provided to connect the first horizontal pulley and the second horizontal pulley; a horizontal frame coupled to the second horizontal pulley and having a screw thread formed on an outer circumferential surface; And one end is coupled to the vertical moving unit, it may be characterized in that it comprises a horizontal coupling body provided to insert the horizontal frame to the inner side.

In an embodiment of the present invention, the horizontal coupling body is provided so that a screw thread engaged with the screw thread formed on the horizontal frame is formed on the inner surface, and the horizontal frame is rotated on the inner side of the horizontal coupling body according to the direction in which the horizontal frame rotates. It may be characterized in that the depth to be inserted into is provided to be adjusted.

In an embodiment of the present invention, the rotation unit may include a rotation frame provided under the horizontal movement unit; a rotating assembly provided on the rotating frame and on which the horizontal moving unit is seated; A spindle provided inside the rotary assembly and coupled to a lower portion of the horizontal moving unit; and a fixing lever provided on one side of the rotation frame and provided to fix rotation of the spindle.

In an embodiment of the present invention, the main body portion, forming a body, the central body to which the rotating portion is coupled to the top; And it may be characterized in that it comprises a foot body formed at the four corners of the central body.

In an embodiment of the present invention, the main body portion, located at the rear of the central body, a pair of handle frames extending toward the top; And it may be characterized in that it further comprises a handle coupled to the upper portion of the handle frame.

In an embodiment of the present invention, the circumferential moving unit, a rotating power body for providing power; A first bevel gear formed at an end of the rotational power body and provided to be rotated by the rotational power body; a second bevel gear engaged in a direction perpendicular to the first bevel gear; a bevel shaft coupled to the lower portion of the second bevel gear and extending downward; and a roller formed under the bevel shaft.

In an embodiment of the present invention, the roller may be provided to be engaged with the belt portion, and as the roller rotates, the main body portion may be provided to move along the belt portion in the circumferential direction of the pipe.

In an embodiment of the present invention, a control unit coupled to the rear of the main body unit is further included, and the control unit controls the vertical movement unit, the horizontal movement unit, and the circumferential movement unit so that the welding machine is located at a predetermined welding position. It may be characterized in that it is provided to further control the rotation angle of the rotation unit in response to the oblique weaving pattern to be formed.

The configuration of the present invention for achieving the above object provides a welder coupled to a carriage capable of adjusting an oblique weaving pattern.

The effect of the present invention according to the configuration as described above is that it is possible to manufacture an automated steel pipe for water supply and also to easily control the quality.

In addition, the present invention is excellent in versatility as it can be generally used for pipe circumference welding as well as steel pipes for water supply.

In addition, in the case of the present invention, durability and robustness are excellent, and a diagonal weaving structure that does not require additional two axes is possible and thus economical.

The effects of the present invention are not limited to the above effects, and should be understood to include all effects that can be inferred from the detailed description of the present invention or the configuration of the invention described in the claims.

1 is a perspective view of a carriage capable of adjusting an oblique weaving pattern according to an embodiment of the present invention.

2 is an exploded perspective view of a horizontal moving part and a rotating part according to an embodiment of the present invention.

3 is a lower view of a carriage capable of adjusting an oblique weaving pattern according to an embodiment of the present invention.

4 is an exemplary view showing a rotational angle of a rotating part of a carriage capable of adjusting an oblique weaving pattern according to an embodiment of the present invention.

5 is an exemplary diagram illustrating a first pattern direction according to a position of a rotation unit of a carriage capable of adjusting an oblique weaving pattern according to an embodiment of the present invention.

6 is an exemplary diagram illustrating a direction of a second pattern according to a position of a rotation unit of a carriage capable of adjusting an oblique weaving pattern according to an embodiment of the present invention.

The most preferred embodiment according to the present invention, the holder portion to which the welder is coupled for welding the pipe; a vertical movement unit provided to move the holder unit in a vertical direction from the tangential line of the pipe; a horizontal movable unit coupled to move the vertical movable unit in a horizontal direction so that the holder unit is positioned at a welding portion; a rotation unit provided to rotate the horizontal movement unit in both directions by combining one end of the horizontal movement unit to form a rotation shaft; A main body portion provided to be coupled to the rotating portion at an upper portion; a belt unit provided inside the main body unit and provided to surround the circumference of the pipe; and a circumferential moving part provided to move the body part in a circumferential direction of the pipe along the belt part.

Hereinafter, the present invention will be described with reference to the accompanying drawings. However, the present invention may be embodied in many different forms and, therefore, is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Throughout the specification, when a part is said to be "connected (connected, contacted, combined)" with another part, this is not only "directly connected", but also "indirectly connected" with another member in between. "Including cases where In addition, when a part "includes" a certain component, it means that it may further include other components without excluding other components unless otherwise stated.

Terms used in this specification are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, terms such as "include" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded.

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

1 is a perspective view of a carriage capable of adjusting an oblique weaving pattern according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of a horizontal moving part and a rotating part according to an embodiment of the present invention, and FIG. It is a lower view of the carriage capable of adjusting the diagonal weaving pattern according to the embodiment.

As shown in FIGS. 1 to 3, the carriage 100 capable of adjusting the diagonal weaving pattern includes a holder part 110, a vertical moving part 120, a horizontal moving part 130, a rotating part 140, and a body part 150. ), a belt unit 160, a circumferential moving unit 170, and a control unit 180.

The holder part 110 is provided to be coupled with a welding machine for welding a pipe, and includes a holder body 111, a holder hole 112, a holder lever 113, and a holder frame 114.

The holder body 111 may be provided to form the body of the holder part 110 .

The holder hole 112 is formed inside the holder body 111 and may be provided in the form of a hole into which the welding machine can be inserted.

The holder lever 113 may be provided to fix the welding machine inserted into the holder hole 112 .

The holder frame 114 may be provided to be coupled to the holder body 111 .

The holder frame hole 115 may be provided in plurality in the holder frame 114 .

More specifically, the holder frame hole 115 may be formed to have an arrangement having a plurality of rows and columns.

The holder body 111 may be coupled to the holder frame hole 115 and coupled to the holder frame 114 . At this time, the holder body 111 may be coupled to the holder frame hole 115 to have a predetermined inclination. That is, since the holder frame holes 115 are composed of a plurality of rows and columns, the holder body 111 is attached to the holder frame holes 115 that can have a slope capable of forming a preset oblique weaving pattern. It may be arranged to be coupled.

The vertical movement unit 120 may be provided to move the holder unit 110 in a vertical direction from the tangential line of the pipe, and a vertical motor 121, a first vertical pulley 122, a second vertical pulley ( 123), a vertical belt 124, a vertical frame 125 and a vertical assembly 126.

The vertical motor 121 may be provided to provide power to the first vertical pulley 122 .

The first vertical pulley 122 may be formed above the vertical motor 121 and rotated by the power. The first vertical pulley 122 can rotate in both directions.

The second vertical pulley 123 may be formed to be spaced apart from the first vertical pulley 122 .

The vertical belt 124 may be provided to connect the first vertical pulley 122 and the second vertical pulley 123 . The vertical belt 124 prepared as described above may be provided so that when the first vertical pulley 122 rotates, the second vertical pulley 123 rotates together in the same direction.

The vertical frame 125 is coupled to the lower portion of the second vertical pulley 123, and may be provided with a screw thread formed on an outer circumferential surface.

One end of the vertical coupling body 126 may be coupled to the holder frame 114 of the holder unit 110, and the vertical frame 125 may be inserted into the inside.

In addition, the vertical coupling body 126 may be provided such that a screw thread engaged with a screw thread formed on the vertical frame 125 is formed on an inner surface. In addition, the vertical coupling body 126 may be provided so that the depth at which the vertical frame 125 is inserted into the vertical coupling body 126 is adjusted according to the direction in which the vertical frame 125 rotates. As such, the height of the pipe of the welding machine coupled to the holder part 110 can be controlled according to the depth at which the vertical frame 125 is inserted into the vertical coupling body 126 .

The horizontal moving part 130 may be provided to move the vertical moving part 120 in a horizontal direction so that the holder part 110 is located at the welding part, and the horizontal motor 131, the first horizontal pulley ( 132), a second horizontal pulley 133, a horizontal belt 134, a horizontal frame 135 and a horizontal coupling body 136.

The horizontal motor 131 may be provided to provide power to the first horizontal pulley 132 .

The first horizontal pulley 132 may be formed above the horizontal motor 131 and rotated by the power. The first horizontal pulley 132 can rotate in both directions.

The second horizontal pulley 133 may be formed to be spaced apart from the first horizontal pulley 132 .

The horizontal belt 134 may be provided to connect the first horizontal pulley 132 and the second horizontal pulley 133 . The horizontal belt 134 provided as described above may be provided so that when the first horizontal pulley 132 rotates, the second horizontal pulley 133 rotates together in the same direction.

The horizontal frame 135 is coupled to the lower portion of the second horizontal pulley 133, and may be provided with a screw thread formed on an outer circumferential surface.

One end of the horizontal coupling body 136 is coupled to the vertical moving unit 120, and the horizontal frame 135 may be inserted into the inside.

In addition, the horizontal coupling body 136 may be provided such that a screw thread engaged with the screw thread formed on the horizontal frame 135 is formed on the inner surface. In addition, the horizontal coupling body 136 may be provided so that the depth at which the horizontal frame 135 is inserted into the horizontal coupling body 136 is adjusted according to the direction in which the horizontal frame 135 rotates. As such, the horizontal position of the welder coupled to the holder part 110 can be controlled according to the depth at which the horizontal frame 135 is inserted into the horizontal coupling body 136 .

In addition, the horizontal moving unit 130 provided as described above may reciprocate the holder unit 110 in a horizontal direction so that the welder performs oblique weaving on the pipe.

4 is an exemplary view showing a rotational angle of a rotating part of a carriage capable of adjusting an oblique weaving pattern according to an embodiment of the present invention, and FIG. 5 is an exemplary view of a rotating part of a carriage capable of adjusting an oblique weaving pattern according to an embodiment of the present invention. 6 is an exemplary view showing a first pattern direction according to a position, and FIG. 6 is an exemplary view showing a second pattern direction according to a position of a rotating part of a carriage capable of adjusting an oblique weaving pattern according to an embodiment of the present invention.

4 to 6 , the rotating part 140 may be provided so that one end of the horizontal moving part 130 is coupled to form a rotating shaft to rotate the horizontal moving part 130 in both directions.

The rotation unit 150 includes a rotation frame 141, a rotation assembly 142, a spindle 143, and a fixing lever 144.

The rotating frame 141 is provided below the horizontal moving part 130 and may be coupled to the body part 150 .

The rotary assembly 142 is provided on the rotary frame 141 and may be provided so that the horizontal moving part 130 is seated thereon.

The spindle 143 is provided inside the rotary assembly 142 and may be provided to be coupled to a lower portion of the horizontal moving part 130 .

The spindle 143 may be connected to a lower portion of one side of the horizontal movement unit 130 and may be provided so that the horizontal movement unit 130 is rotated by rotation of the spindle 143 . At this time, in the horizontal movement unit 130, a portion connected to the spindle 143 forms a rotation axis. In addition, the horizontal movement unit 130 may be provided to be rotatable by up to 45 degrees in one direction and the other direction, respectively, when a direction perpendicular to the belt part 160 is taken as a center line. That is, it may be provided to enable rotation of up to 90 degrees.

The fixing lever 144 is provided on one side of the rotation frame 141 and may be provided to control whether rotation of the spindle 143 is fixed. That is, the fixing lever 144 may be provided to fix or release the fixation while the spindle 143 rotates the horizontal movement unit 130 to a position having a predetermined angle.

As shown in FIG. 5 , the rotating unit 140 provided as described above rotates the horizontal moving unit 130 in one direction when fillet welding is performed on the joint between the first pipe 1 and the second pipe 2. Welding can be made to have one pattern (10). In addition, as shown in FIG. 6 , the rotating unit 140 may rotate the horizontal moving unit 130 in another direction so that the second pattern 20 may be welded.

That is, the forming direction of the oblique line pattern of the fillet welding can be easily controlled by the rotation unit 140 .

The main body part 150 is provided so that the rotating part 140 is coupled to an upper portion, and may be provided to form a body.

In addition, the body portion 150 may include a central body 151, a foot body 152, a handle frame 153, and a handle 154.

The central body 151 forms a body of the main body part 150, and may be provided so that the rotating part 140 is coupled to the upper part.

The foot body 152 is formed at four corners of the central body 151 so that the central body 151 can be separated from the belt part 160 by a predetermined interval.

The handle frame 153 is located at the rear of the central body 151, may extend toward the top, and may be provided as a pair.

The handle 154 is coupled to an upper portion of the handle frame 153 and may be provided to protect components coupled to the body portion 150 . In addition, the handle 154 may facilitate manual control of the position of the carriage 100 capable of adjusting the oblique weaving pattern.

The belt part 160 is provided inside the main body part 150 and may be provided to be coupled to surround the circumference of the pipe.

More specifically, the belt part 160 is provided to be formed between the lower part of the central body 151 and the foot body 152, and extends long in the width direction of the central body 151 to form the second pipe It may be provided with a length that can wrap around the circumference of (2).

The circumferential moving part 170 may be provided to move the body part 150 in the circumferential direction of the pipe along the belt part 160 .

The circumferential moving unit 170 includes a rotation power body 171, a first bevel gear 172, a second bevel gear 173, a bevel shaft 174, and a roller 175.

The rotary power body 171 is provided to provide power to the first bevel gear 172 and may extend in the width direction of the belt unit 160 . And, the rotary power body 171 may be formed on both sides of the central body 151.

The first bevel gear 172 is formed at an end of the rotational power body 171 and may be provided to be rotated by the rotational power body 171 . The first bevel gear 172 may be formed at both ends of the rotary power body 171 .

The second bevel gear 173 may be provided to mesh with each of the first bevel gears 171 in a vertical direction.

The bevel shaft 174 may be coupled to the lower portion of each of the second bevel gears 173 and extend downward. That is, the bevel shaft 174 may be provided extending toward the belt part 160 .

The roller 175 may be formed below the bevel shaft 174 . More specifically, the roller 175 is provided to be engaged with the belt part 160, and as the roller 175 rotates, the main body part 150 follows the belt part 160 along the circumference of the pipe. It may be provided to move in the direction.

The controller 180 is coupled to the rear of the main body 150, and the vertical moving part 120, the horizontal moving part 130, and the circumferential moving part 170 are installed so that the welding machine is positioned at a predetermined welding position. It can be provided to control.

Also, the control unit 180 may be provided to control the rotation angle of the rotation unit 140 in response to an oblique weaving pattern to be formed. For example, when the rotation unit 180 is set to 0 degrees when the rotation unit 140 is maximally rotated in one direction and 90 degrees when the rotation unit 140 is maximally rotated in the other direction, the angle of the diagonal pattern to be formed is input. By doing so, the rotation unit 140 can be controlled to rotate.

In addition, the control unit 180 may control the horizontal movement speed of the horizontal movement unit 130 so that welding is performed well when oblique weaving is performed on the pipe.

The carriage 100 capable of adjusting the oblique weaving pattern prepared as described above enables automated manufacturing of steel pipes for water supply and facilitates quality control.

In addition, in the case of the present invention, durability and robustness are excellent, and it is economical because it is possible to change the diagonal weaving pattern without the need for a separate additional two axes.

The above description of the present invention is for illustrative purposes, and those skilled in the art can understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, the embodiments described above should be understood as illustrative in all respects and not limiting. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the present invention is indicated by the following claims, and all changes or modifications derived from the meaning and scope of the claims and equivalent concepts should be interpreted as being included in the scope of the present invention.

1: first pipe

2: second pipe

10: first pattern

20: second pattern

100: Carriage with adjustable diagonal weaving pattern

110: holder part

111: holder body

112: holder hole

113: holder lever

114: holder frame

115: holder frame hole

120: vertical moving unit

121: vertical motor

122: first vertical pulley

123: second vertical pulley

124: vertical belt

125: vertical frame

126: vertical combination

130: horizontal moving unit

131: horizontal motor

132: first horizontal pulley

133: second horizontal pulley

134: horizontal belt

135: horizontal frame

136: horizontal combination

140: rotating part

141: rotation frame

142: rotation assembly

143: spindle

144: fixed lever

150: body part

151: central body

152: foot body

153: handle frame

154: handle

160: belt part

170: circumferential moving part

171: rotational power body

172: first bevel gear

173: second bevel gear

174: bevel shaft

175: roller

180: control unit

Claims

A holder portion to which a welder for welding a pipe is coupled;

a vertical movement unit provided to move the holder unit in a vertical direction from the tangential line of the pipe;

a horizontal movable unit coupled to move the vertical movable unit in a horizontal direction so that the holder unit is positioned at a welding portion;

a rotation unit provided to rotate the horizontal movement unit in both directions by combining one end of the horizontal movement unit to form a rotation shaft;

A main body portion provided to be coupled to the rotating portion at an upper portion;

a belt unit provided inside the main body unit and provided to surround the circumference of the pipe; and

A carriage capable of adjusting an oblique weaving pattern, characterized in that it comprises a circumferential moving part provided to move the body part in a circumferential direction of the pipe along the belt part.
According to claim 1,

The holder part,

Holder body constituting the body;

a holder hole formed inside the holder body and into which the welding machine is inserted; and

Carriage capable of adjusting the diagonal weaving pattern, characterized in that it comprises a holder lever provided to fix the welding machine inserted into the holder hole.
According to claim 2,

The holder part,

a holder frame to which the holder body is coupled; and

Further comprising a plurality of holder frame holes formed in the holder frame,

The holder frame hole is a carriage capable of adjusting the diagonal weaving pattern, characterized in that formed in an array having a plurality of rows and columns.
According to claim 1,

The vertical moving part,

a vertical motor that provides power;

a first vertical pulley formed above the vertical motor and rotated by the power;

a second vertical pulley formed to be spaced apart from the first vertical pulley;

a vertical belt provided to connect the first vertical pulley and the second vertical pulley;

a vertical frame coupled to a lower portion of the second vertical pulley and having a screw thread formed on an outer circumferential surface; and

A carriage capable of adjusting an oblique weaving pattern, characterized in that it includes a vertical coupling body, one end of which is coupled to the holder and is provided to insert the vertical frame therein.
According to claim 4,

The vertical combination,

A thread is formed on the inner surface to engage with a thread formed on the vertical frame,

Carriage capable of adjusting the diagonal weaving pattern, characterized in that provided to adjust the depth at which the vertical frame is inserted into the vertical assembly according to the direction in which the vertical frame rotates.
According to claim 1,

The horizontal moving part,

A horizontal motor that provides power;

A first horizontal pulley formed on one side of the horizontal motor and provided to be rotated by the power;

A second horizontal pulley formed to be spaced apart from the first horizontal pulley;

a horizontal belt provided to connect the first horizontal pulley and the second horizontal pulley;

a horizontal frame coupled to the second horizontal pulley and having a screw thread formed on an outer circumferential surface; and

A carriage capable of adjusting an oblique weaving pattern, characterized in that it includes a horizontal coupling body, one end of which is coupled to the vertical moving unit and is provided to insert the horizontal frame therein.
According to claim 6,

The horizontal assembly,

A screw thread is provided on the inner surface to engage with a screw thread formed on the horizontal frame,

Carriage capable of adjusting the diagonal weaving pattern, characterized in that provided to adjust the depth at which the horizontal frame is inserted into the horizontal assembly according to the direction in which the horizontal frame rotates.
According to claim 1,

the rotating part,

a rotating frame provided under the horizontal moving unit;

a rotating assembly provided on the rotating frame and on which the horizontal moving unit is seated;

A spindle provided inside the rotary assembly and coupled to a lower portion of the horizontal moving unit; and

It is provided on one side of the rotating frame and includes a fixing lever provided to fix the rotation of the spindle.
According to claim 1,

The body part,

A central body constituting a body and to which the rotating part is coupled to an upper portion; and

Carriage capable of adjusting the diagonal weaving pattern, characterized in that it comprises a foot body formed at the four corners of the central body.
According to claim 9,

The body part,

a pair of handle frames located at the rear of the central body and extending upward; and

Carriage capable of adjusting the diagonal weaving pattern, characterized in that it further comprises a handle coupled to the upper portion of the handle frame.
According to claim 1,

The circumferential moving part,

Rotating power body that provides power;

A first bevel gear formed at an end of the rotational power body and provided to be rotated by the rotational power body;

a second bevel gear engaged in a direction perpendicular to the first bevel gear;

a bevel shaft coupled to the lower portion of the second bevel gear and extending downward; and

Carriage capable of adjusting the diagonal weaving pattern, characterized in that it comprises a roller formed in the lower portion of the bevel shaft.
According to claim 11,

the roller,

It is provided to engage and couple with the belt part,

As the roller rotates, the body part is provided to move in the circumferential direction of the pipe along the belt part, characterized in that the diagonal weaving pattern adjustable carriage.
According to claim 1,

Further comprising a control unit coupled to the rear of the main body unit,

The control unit,

It is provided to control the vertical moving part, the horizontal moving part and the circumferential moving part so that the welding machine is positioned at a predetermined welding position,

Carriage capable of adjusting the diagonal weaving pattern, characterized in that provided to further control the rotation angle of the rotation unit in response to the diagonal weaving pattern to be formed.
A welding machine coupled to a carriage capable of adjusting the diagonal weaving pattern according to claim 1.