KR20000024072A - T type shaped steel butt-welding machine - Google Patents

Abstract

PURPOSE: A butt welding device for T-shaped steel is provided to achieve reliable butt welding of shaped steels having one or more horizontal plates and a vertical flange by performing the welding with a carriage since the carriage moves along the upper and lower welding junction lines under the control of the limit switch only within the welding sections. CONSTITUTION: A butt welding device for T-shaped steel includes upper and lower guide rails (10,20) formed in the shape of panel and respectively having a guide groove(10a,20a) in a predetermined depth, a clamp(40) for supporting a welding rod(44) vertically and having left and right holders(41a,41b) respectively formed with a groove(42) to be inserted by the welding rod(44), a fastening nut(43) for adjusting the volume of the grooves(42), and an integrally formed weaving element(45) for moving the welding rod(44) laterally with a predetermined angle, a carriage(30) for moving along the guide rails(10,20) and having a driving motor(31) and a plurality of rollers(33) for rotating with the power supply from the driving motor, and a limit switch(52) for controlling the carriage(30) to move within a welding section.

Description

T type shaped steel butt-welding machine}

The present invention relates to a butt welding device for performing welding on a section steel, and more particularly, a T-shaped section butt welding that can achieve a robust and stable welding to the weld seam of the vertically flanged section steel Relates to a device.

In general, welding is widely used in the manufacture of metal structures with large product dimensions or difficult to integrally form in construction, ships, and machinery, and is being replaced by automated welding devices in the case of mass production of products or simple welding operations. .

Various types of automated welding apparatuses are known, but typical ones are mobile welding apparatuses used for fabricating a simple plate-shaped metal structure, and the mobile welding apparatus is a straight line at a predetermined speed along the welding joint line of the metal structure to be welded. By performing the welding operation while moving, it consists of a guide rail of the length member disposed on one side of the welding joint line of the workpiece and a carriage which is a main body moving along the guide rail.

Here, the carriage is composed of a welding mechanism including a welding rod for welding a weld seam and a clamp for fixing the welding rod, and a roller which is roll-contacted to the guide rail on one side is mounted.

In addition, the carriage has a built-in drive motor for generating a driving force, the roller connected to the drive motor is rotated to move along the rail.

That is, the above-described mobile welding apparatus fixes the guide rail of the length member having a predetermined length on one side of the weld joint line of the metal structure, and the welding joint line while the carriage installed at the guide rail proceeds at a predetermined speed by the driving force of the driving motor. Welding is performed.

However, the conventional mobile welding apparatus as described above has a disadvantage in that welding operations are not performed on metal structures in which the flanges are horizontally and vertically formed, such as a sheet steel, which is not a plate type.

That is, in the case of welding a section steel such as a tee (T) or a section I using a conventional mobile welding device, a mobile welding device is first placed on a horizontal plate positioned on the top of the section steel to perform a welding operation. This is because the carriage does not stop at the end of the welding and proceeds, causing the carriage to fall from the horizontal plate.

In addition, when the welding operation is performed by being placed on the horizontal abacus formed at the lower portion of the vertical flange of the shaped steel, the carriage collides with the vertical flange at the end of the welding, thereby causing damage to the welding apparatus and the product.

Therefore, in the case of the above-described steel sheet, the welding work is inevitably performed by hand, which leads to problems in work efficiency and productivity. In particular, the defect rate of the product is such that the welding surface is uneven and the uniform welding of the entire metal structure cannot be obtained. Higher problems arise.

The present invention was created to solve the above problems, an object of the present invention is to carry out the welding operation while the carriage is installed along the horizontal welding joint line of the upper (T) -shaped steel, welding joint line, welding joint line It is to provide a T-shaped steel butt welding device that can improve the quality and reliability of welding by limiting the movement of the carriage at this end point.

1 is a side view showing a state in which the carriage and the upper guide rail is installed on the horizontal plate of the tee (T) -shaped steel according to the present invention,

Figure 2 is a side view showing a state in which the carriage and the upper guide rail is installed on the horizontal abacus of the tee (T) -shaped steel according to the present invention,

3 is a plan view schematically showing a carriage of a tee (T) -shaped steel butt welding device according to the present invention;

Figure 4 is a perspective view showing a structure bonded by a tee (T) shaped steel butt welding device according to the present invention.

<Explanation of symbols for main parts of the drawings>

DESCRIPTION OF SYMBOLS 1 Butt welding apparatus 10 Upper guide rail 11 Fixing member

12: mounting table 10a, 20a: guide groove 13a, 13b: mobile body

14 bracket 14a hinge 15 support bar

16: handle 20: lower guide rail 21: magnet block

30: carriage 31: drive motor 32: rotating shaft

33 roller 40 clamp 41a left holder member

41b: right holder member 42: insertion groove 43: tightening nut

44: welding rod 45: weaving device 51: limit dog

52: limit switch 60: T-shaped steel 61: horizontal top plate

62: vertical flange 63: horizontal abacus

Shaped steel butt welding device according to the present invention for realizing the above object is a plate-shaped having a length corresponding to the working section of the upper and lower horizontal welding seam of the tee (T) -shaped steel guide in the longitudinal direction on both sides The formed upper and lower guide rails, and a plurality of rollers in contact with the guide grooves of the guide rails are mounted on the lower side so as to be moved along the upper and lower guide rails, and transmit a driving force to rotate the rollers. A carriage in which a drive motor is installed, a clamp coupled to one side of the carriage to vertically support a welding rod for welding to a welding joint line, and a work section in which the carriage corresponds to a welding joint line of a T-shaped steel structure. It characterized in that it comprises a control means for limiting the movement.

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

1 is a side view showing a state in which the carriage and the upper guide rail is installed on the horizontal upper plate of the tee (T) -shaped steel, Figure 2 is a carriage and the upper guide rail of the tee (T) -shaped steel according to the present invention This is a side view showing the state installed on the horizontal abacus.

And, Figure 3 is a plan view schematically showing the carriage of the tee (T) -shaped steel butt welding apparatus according to the present invention, Figure 4 shows a structure joined by the tee (T) -shaped steel butt welding apparatus according to the present invention. Perspective view.

Tee (T) -shaped steel butt welding device according to the present invention is a clamp 40 for fixing the welding rod 44 for performing welding to the welding seam, and the clamp 40 is mounted on one side and generates a predetermined driving force Up and down guide rail 10 forming a predetermined track so that the drive device is installed therein and the carriage 30 moves along the weld joint line of the tee (T) -shaped steel 60 structure. , 20 and control means for controlling the carriage 30 to be operated only in the welding seam working section of the tee (T) -shaped steel 60 structure.

That is, the clamp (40) in the tee (T) -shaped steel butt welding device for supporting the welding rod 44 in place, the insertion groove of a predetermined size so that the welding rod 44 can be inserted in the center ( 42 is formed of left and right holder members (41a), (41b), the left and right holder members (41a, 41b) are mutually tightening nuts (to adjust the gap between the insertion grooves 42) 43).

Therefore, when the tightening nut 43 is rotated in one direction or in the opposite direction, the interval between the insertion grooves 42 becomes wider or narrower, so that the welding rod 44 can be firmly mounted or detached from the clamp 40. .

In addition, the clamp 40 is integrally formed with a weaving device 45 to allow the end of the electrode 44 to reciprocate at a predetermined angle to both sides with respect to the welding joint line in order to perform a complete welding.

Since the weaving device 45 is known in various forms, a detailed description thereof will be omitted, and in the present invention, a gear (not shown) is axially coupled to a motor (not shown) repeatedly rotated at a predetermined angle, and the gear (not shown). The other gear (not shown) engaged with the clamp) is connected to the clamp 40 so that the rotational force and the rotation angle of the driving motor 31 are transmitted to the clamp 40 to apply the weaving device 45 to produce a weaving effect.

Carriage 30 having a box-shaped body in which the clamp 40 and the weaving device 45 as described above are mounted on one side, the disk-shaped roller 33 serving as a wheel on the lower side at regular intervals at four points It is installed, these rollers 33 are coupled to a rotating shaft 32 configured perpendicular to the body.

In addition, the carriage 30 is provided with a drive motor 31 for generating a predetermined driving force in the body, the drive motor 31 is connected to one of the plurality of rotary shafts 32 of the rotary shaft 32 It will transmit the driving force.

Accordingly, the carriage 30 may be driven at a predetermined speed by rotating the roller 33 by the driving force generated by the driving motor 31.

Here, the rotating shaft 32 and the roller 33 which is rotated by receiving the driving force of the drive motor 31 is preferably configured to reduce friction elements such as a bearing so that the operation can be performed smoothly.

In addition, the carriage 30 moves along the upper and lower guide rails 10 and 20 having a predetermined length, where the upper guide rail 10 is a tee (T) type steel 60. The structure is installed on one side of the weld joint line that the horizontal upper plate 61 is horizontally arranged on the upper side of the vertical flange 62 in the structure, the lower guide rail 20 is a vertical flange 62 of the tee (T) section 60 The plate-shaped horizontal abacus 63, which stands vertically, is installed on one side of the weld seam.

The upper and lower guide rails 10 and 20 are plate-shaped having a length proportional to the working length of the welding joint line of the shaped steel, and the rollers 33 of the carriage 30 are fitted on both sides thereof to be in contact with the cloud. Guide grooves 10a and 20a of a predetermined depth are formed in the longitudinal direction.

In addition, the upper guide rail 10 includes a fixing member 11 for stably positioning the upper surface of the tee (T) -shaped steel (60) structure, that is, the horizontal upper plate (61).

Referring to FIG. 1, the fixing member 11 includes a plate-shaped mounting stand 12 coupled to a bottom surface side of the upper guide rail 10 at a predetermined interval, and a lengthwise direction at a bottom surface of the mounting stand 12. In the left and right moving body 13a, 13b and the left and right moving body 13a, 13b which are slidably coupled to each other and are disposed on both sides with a tee (T) -shaped steel 60 therebetween. Each bracket extends downward and is fixed to the hinge 14a, the ends of which are bent in mutually opposite directions, and the brackets 14 are fixed perpendicularly to the ends of the brackets 14 and the upper end thereof is a tee type. It consists of a support bar 15 in contact with the bottom surface of the steel 60, and a handle 16 extending outward on one side of the bracket (14).

When the user rotates the handle 16 to one side, the fixing member 11 causes the bracket 14 interlocking with the handle 16 to rotate about the hinge 14a, and the The support bar 15 fixed perpendicularly to the end portion is in contact with the bottom surface of the upper horizontal upper plate 61 of the tee (T) -shaped steel structure (60).

In addition, the lower guide rail 20 is also coupled to the magnetic block 21 using a magnetic force on the bottom side to be stably fixed to the horizontal abacus 63 of the tee (T) -shaped steel (60) structure.

Referring to FIG. 2, the magnet block 21 may be a conventional one including a magnet that selectively generates magnetic force in association with a lever receiving a user's manipulation force. Such a magnet block may be known in various forms. The additional description thereof is omitted.

Therefore, the lower guide rail 20 is located on one side of the horizontal abacus 63 of the tee (T) -shaped steel (60) structure, and then can be fixed and released by generating and quenching magnetic force by operating a lever.

The control means for detecting the movement of the carriage 30 and controlling the operation thereof includes a limit dog 51 having a predetermined height at both ends of the upper and lower guide rails 10 and 20. It is fixed vertically, the limit switch 52 protruding the sensing unit at a predetermined position on the front and rear surfaces in the traveling direction of the carriage 30 is installed.

Here, the limit switch 52 is configured to interrupt the power supplied to the drive motor 31 when the limit dog 51 contacts.

Therefore, when the carriage 30 moves to the end point of the welding work line, the limit switch 52 contacts the limit dog 51 and at the same time cuts off the power supplied to the driving motor 31 so that the carriage ( 30) will limit movement.

Here, the limit switch 52 may be connected to a control controller (not shown) for controlling the various electrical appliances that make a welding operation, in which case the control controller (not shown) is welded at the same time as the contact of the limit switch 52 It is preferable to be configured to close the welding work by interrupting the power supplied to the various electrical appliances that make up the work.

Referring to the operation state and operation of the tee (T) -shaped steel butt welding device according to the present invention made as described above are as follows.

A horizontal top plate 61 is provided on the upper side, such as a tee (T) type or I-shaped section steel 60 material, and has a vertical flange 62 vertically set at a predetermined position of the horizontal top plate 61 therebetween. In order to perform welding on the metal structure formed by the horizontal abacus 63 of the mold, first, the left and right holder members 41a and 41b of the clamp 40 fixed to one side of the carriage 30 are attached to the welding rod 44. The left and right holder members 41a and 41b are firmly fixed to the welding rod 44 by inserting the insertion grooves 42 formed therebetween and rotating the tightening nut 43 in one direction.

Subsequently, the carriage 30 on which the welding rod 44 is mounted moves along the up and down guide rails 10 and 20 so that the up and down guide rails 10 in the traveling direction of the carriage 30. After positioning the 20, the roller 33 of the carriage 30 is coupled to be fitted in the guide grooves (10a), (10b).

Subsequently, the upper and lower guide rails 10 and 20 to which the carriage 30 is coupled are positioned on the upper horizontal upper plate 61 and the lower horizontal main plate 63 of the tee (T) -shaped steel 60. To each.

Here, in order to fix the upper guide rail 10 of the guide rail to the upper horizontal upper plate 61 of the tee (T) -shaped steel 60, the horizontal upper plate 61 of the tee (T) -shaped steel 60 Place the mounting table 12 of the fixing member 11 on the upper surface and slide the left and right moving bodies 13a and 13b to contact both sides of the horizontal upper plate 61 of the tee-shaped steel 60. Move it.

Subsequently, when the handle 16 of the fixing member 11 is rotated to one side, the support bar 15 fixed to the bracket 14 interlocking with the handle 16 contacts the bottom surface of the horizontal upper plate 61 of the shaped steel 60. To generate a holding force.

That is, the fixing member 11 is in contact with each other on the upper surface, both sides and the bottom of the horizontal upper plate 61 with respect to the tee (T) -shaped steel (60) material to achieve a stable position fixation of the upper guide rail (10). .

And, the lower guide rail 20 of the guide rail is located on one side of the horizontal abacus 63 of the plurality of tee (T) or I-shaped steel 60, coupled to the lower side of the lower guide rail 20 When the lever of the magnet block 21 is manipulated to one side, the intrinsic magnet generates magnetic force, thereby achieving fixation.

As described above, when the upper and lower guide rails 10 and 20 are fixed to one side of the horizontal upper plate 61 and the horizontal main plate 63 of the tee-shaped steel 60, the drive installed in the carriage 30. The motor 31 and the weaving device 45 are driven.

Here, the drive motor 31 generates a predetermined driving force by the power supply, the driving force is transmitted to the roller 33 through the rotating shaft 32 axially connected to one side.

Therefore, the roller 33 moves along the rolling grooves along the guide grooves 10a and 10b of the upper and lower guide rails 10 and 20 by the driving force of the driving motor 31, so that the carriage 30 proceeds at a predetermined speed along the upper and lower guide rails 10 and 20 by the rotation of the roller 33.

Carriage 30 is progressed in this way is a welding rod 44 fixed to the clamp 40 mounted on one side of the body to perform welding on the welding seam, the welding rod 44 is by the weaving device 45 A predetermined angle is repeatedly rotated to achieve weaving welding.

Carriage 30 for welding while proceeding as described above, when reaching the end of the welding work section, the protruding sensing unit of the limit switch 52 installed on the traveling direction side, upper and lower guide rails 10, 20 It comes into contact with the limit dog 51 which is erected perpendicularly to the end of the.

Accordingly, since the power supply supplied to the driving motor 31 is interrupted at the same time as the contact point of the limit switch 52, the carriage 30 stops without further progressing, so that the carriage 30 is a tee type or I. Falling from the upper horizontal upper plate 61 of the shaped steel, or in the lower portion of the horizontal abacus 63 is in progress to prevent the accident hitting the vertical flange (62).

Accordingly, the T-shaped steel butt welding device according to the present invention constructed and operated as described above is formed along the upper and lower weld joint lines of the horizontal steel plate and the vertical flange formed with the vertical flanges, such as the T-type and I-type. The welding is performed while the carriage is moved, and the carriage is automatically stopped at the end of the work part, thereby preventing damage and damage to the device due to falling or colliding. Also, a metal plate or a partition wall is formed. Since it can be used universally in the fabrication of structures, there is an advantage to increase the work compatibility of the product.

Claims (5)

Upper and lower guide rails each having a lengthwise guide groove formed on both sides thereof in a plate shape having a length corresponding to a working section of a horizontal welding joint line of the tee-shaped steel; A carriage having a plurality of rollers in contact with the guide groove of the guide rail mounted on the lower side so as to be moved along the upper and lower guide rails, and having a drive motor transmitting a driving force to rotate the rollers; ; A clamp coupled to one side of the carriage to vertically support a welding rod performing welding to a welding seam; Tee (T) shaped butt welding device comprising a control means for controlling the carriage to be operated only limited to the weld seam working section of the tee (T) shaped steel structure. The method of claim 1, The upper guide rail is slidably coupled to the bottom of the plate-shaped mounting stand in the longitudinal direction, and is disposed on both sides with a tee (T) bracket therebetween and extends downward from the left and right movable bodies. Brackets hinged and bent in the opposite direction to each other, a support bar vertically fixed to the end of the bracket, the upper end of which is in contact with the bottom surface of the T-shaped steel, and extending to one side of the bracket Tee (T) -shaped steel butt welding device, characterized in that is fixed to the upper surface of the holding member consisting of a handle receiving a user's operating force. The method of claim 1, The lower guide rail is a T-shaped steel butt welding device, characterized in that a plurality of magnet blocks including a magnet to selectively generate magnetic force in conjunction with a lever receiving a user's operation force on the bottom side. The method of claim 1, The control means has a limit dog having a predetermined height fixed vertically at both ends of the upper and lower guide rails, and intercepts the power supplied to the driving motor when the limit dog is contacted at a predetermined position on the front and rear surfaces in the traveling direction of the carriage. Tee (T) type steel butt welding device characterized in that the limit switch is installed. The method of claim 1, The clamp is a tee (T) shaped steel butt welding device, characterized in that it comprises a weaving device for the welding rod to weave by repeatedly rotating a predetermined angle to the left and right around the weld seam.