KR200409337Y1 - automatic welding apparatus of curvedsurface welding - Google Patents

Abstract

The present invention relates to an automatic welding running device for curved welding, comprising a drive motor and a driving wheel, the automatic welding running device capable of automatically driving, comprising: a base frame (100); A pair of rollers coupled to the left and right sides of the base frame 100 and having a circular magnet 210 rotatably coupled to the front in a lateral direction; A fixed rail 300 fixedly installed on the base frame 100 and having a predetermined horizontal width along the front and rear longitudinal directions, and having a through hole 310 in the front and rear directions; A moving rail 400 coupled to an upper side of the fixed rail 300 with a moving free length in front and rear; A fixed shaft 500 which penetrates the through hole 310 of the fixed rail and is coupled to the front and rear ends of the moving rail 400; An elastic spring 600 fitted to the fixed shaft 500 in front of the fixed rail 300; A moving frame (700) fixedly coupled to an upper side of the moving rail (400) with an upper connection area extended than the moving rail (400); An auxiliary roller guide 800 fixedly coupled to the movable frame 700 so that a front portion is located between the pair of roller guides 200, and having a circular roller 810 rotatably coupled to the front side; Torch holding device 910 for holding a welding torch at a predetermined angle at a predetermined position, the torch adjustment device 900 is fixedly coupled to the moving frame 700; The present invention relates to an automatic welding driving device for a curved welding, which can stably perform welding with a certain welding quality while continuously traveling with a straight surface on the basis of a wall, an elliptical curved surface.

Automatic welding running surface round oval straight surface

Description

Automatic welding apparatus of curved surface welding

1-a plan view showing an embodiment of the automatic welding running device for curved welding according to the present invention.

2-a side view of FIG.

3-a side view of the moving part.

Figure 4-Lumbar plane perspective view showing the coupling of the moving part.

5-4 are side perspective views of the main part of FIG.

Figures 6-4 front perspective view of the main part.

7-top view showing the use of FIG.

<Description of Major Symbols Used in Drawings>

10: driving wheel 100: base frame

200: roller guide 210: circular magnet

300: fixed rail 310: through hole

320: installation frame 400: moving rail

500: fixed shaft 600: elastic spring

700: moving frame 800: auxiliary roller guide

810: circular roller 900: torch adjustment device

910: Tochipa District

The present invention relates to an automatic welding running device for curved welding, and more particularly, to an automatic welding running device for curved welding that enables to perform welding with a certain welding quality while continuously traveling on a curved surface and a straight surface of oval or circular shape. will be.

In general, in manual welding work, both parts of the welding part are different according to the skill of the operator, so that there are many differences in the quality of the product. Therefore, driving at a specified speed and direction so as to maintain a constant welding quality at all times regardless of the skill of the operator. Automatic welding running devices that perform welding work are being used.

In case of welding the shape of certain shape such as H-beam, I-beam, etc., the welding part is in a straight line, so the welding torch is mounted on the automatic welding driving device, and the automatic welding driving device is linearly driven in a certain direction. Welding can be easily performed by operating the welding torch.

However, in the production of steel structures such as hull blocks, not only welding objects having such a straight surface but also many welding objects having a curved surface or a complex form of a straight surface and a curved surface are conventional curved automatic welding devices. Since it is impossible to weld constantly while driving along the road, high-tech and experienced workers have to work directly by hand, resulting in cost and safety problems.

Therefore, a large number of automatic welding driving devices for curved welding have been devised so that welding of curved surfaces can be performed without difficulty, but it has been devised in a complicated structure to use electric control methods or to cover various curved shapes. The sensor is frequently malfunctioned due to high temperature and all welding conditions, or due to the complex structure with other components that are not used at all in the workplace, the structure is not firm and breaks frequently. There has been an uncomfortable problem such as moving, storage.

In actual workplaces, a plurality of welding running devices are used at the same time dedicated to a specific type of welding object, so that it is not necessary to configure one welding running device to be capable of welding a wide range of curved shapes.

Among curved surfaces, there are many circular curved surfaces without depressions, or elliptical curved surfaces having continuous straight lines and curved lines. Therefore, the design of a more suitable surface welding automatic welding driving device is required.

The present invention devised to solve the problems as described above, to provide an automatic welding running device for curved surface welding of a circular to elliptical curved welding structure suitable for performing welding while continuously running along the circular curved to elliptical curved surface There is a purpose.

The present invention for achieving the object as described above, the drive motor, the driving wheel is provided with a self-driving automatic welding running apparatus, the base frame; A pair of roller guides coupled to the left and right sides of the base frame and having a circular magnet rotatably coupled in a lateral direction to the front; A fixed rail having a fixed width along the front and rear longitudinal directions and fixed to the upper side of the base frame, the through-holes being formed in the front and rear directions; A moving rail coupled to an upper side of the fixed rail with a length of movement in the front and rear; A fixed shaft having a front and rear end coupled to the front and rear ends of the movable rail through the through hole of the fixed rail; An elastic spring fitted to the fixed shaft in front of the fixed rail; An installation frame having an upper connection area extended than the movable rail and fixedly coupled to an upper side of the movable rail; An auxiliary roller guide having a front portion fixedly coupled to the installation frame such that the front roller is positioned between the pair of guide rollers, the circular roller being rotatably coupled in a lateral direction to the front; A torch holding device for holding a welding torch at a predetermined angle at a predetermined position and having a torch adjustment device fixedly coupled to the installation frame.

Here, the fixed rail is constrained to the connection frame having a more extended connection area, it is preferable that the connection frame is fixedly coupled on the base frame.

And, the auxiliary roller guide, it is preferable to include an embodiment in which the front portion is bent.

Therefore, there is an advantage that the welding can be performed stably with a certain welding quality while continuously running with a straight surface on the basis of the wall surface circular curved surface, elliptical curved surface without depressions.

In addition, there is another advantage that the operation is made stable and clear by the robust and concise structure, the size and weight are further reduced, and the transportation and installation is easy.

The present invention having the configuration as described above will be described in detail with reference to the following drawings. Figure 1 is a plan view showing an embodiment of a curved welding welding device according to the present invention, Figure 2 is a side view of Figure 1, Figure 3 is a side view of the moving portion, Figure 4 is a main portion showing the coupling of the moving portion 5 is a plan view of the main portion of FIG. 4, FIG. 6 is a front view of the main portion of FIG. 4, and FIG. 7 is a plan view showing the use of FIG.

Curved welding automatic welding driving device according to the present invention is a drive motor, a driving wheel 10 is provided in the automatic welding running apparatus capable of automatic driving, the base frame 100, roller guide 200, fixed rail 300 , A moving rail 400, a fixed shaft 500, an elastic spring 600, a moving frame 700, an auxiliary roller guide 800, a torch adjustment device 900, and the roller guide 200. , The fixed rail 300 is fixed on the base frame 100, the moving rail 400, the fixed shaft 500, the moving frame 700, the auxiliary roller guide 800, torch adjustment device 900 Is fixed to each other, the fixed rail 300 has a structure coupled to the upper side to the outside so as to move slide.

 When the auxiliary roller guide 800 receives a pressing force to the rear, the moving frame 400 is constrained to the fixed rail 300, the moving frame 700, the auxiliary roller guide 800, and the torch adjusting device 900. ) Is pushed backward by the elastic spring 600 fitted to the fixed shaft 500 and is pushed backward, and the movable rail 400 is not applied to the auxiliary roller guide 800 in the rear. The fixed shaft 500, the moving frame 700, the auxiliary roller guide 800, and the torch adjusting device 900 are naturally moved forward by the restoring force of the elastic spring 600.

The driving motor, the driving wheel 10 according to the known technology will be omitted the detailed description.

The base frame 100 provides a space for accommodating and coupling drive components such as the drive motor, the drive shaft, and the stationary magnet therein, and the installation interval of the driving wheel 10, wherein the drive motor, the drive shaft, Blocking the upper side of the stationary magnet, the driving wheel 10 has a frame structure to allow a stable and clean installation of components such as a control valve, an adjustment motor, a handle, a torch adjustment device 900 on the upper surface.

The roller guide 200 is a component that allows the automatic welding driving apparatus according to the present invention to auto-run at a predetermined distance as long as the length of the roller guide 200 from the welded object in front, the direction of the automatic welding driving apparatus A pair is coupled to the left and right sides of the base frame 100 corresponding to the front and rear portions of the driving direction so as not to be twisted arbitrarily, and the circular magnet 210 is pivotally coupled in the lateral direction to the front of the welded portion. While the circular magnet 210 is attached to the wall surface or the curved wall surface, the driving motor is rotated by the driving force of the driving wheel 10 and is continuously moved.

The fixed rail 300 has a fixed width along the front and rear longitudinal direction is fixed to the upper side of the base frame 100, when fixed on the base frame 100 is connected to the lower surface of the fixed rail 300 When the area has a relatively small size compared to other components installed on the base frame 100 to the base frame 100, it is constrained to the installation frame 320 having a more extended connection area, The mounting frame 310 is firmly assembled by a method of fixedly coupling on the base frame 100.

Coupled to the fixed rail 300 upper side to the outside of the fixed rail 300 to the movable rail 400 has a moving margin length to the front and rear of the fixed rail 300 so that the moving rail 400 can be smoothly moved forward and backward while connected. At the front and rear ends of the moving rail 400, a moving limit that the fixed rail 300 is applied to is formed.

In the initial state in which the pressing force is not transmitted to the movable rail 400, the movable rail 400 is positioned at the forefront with respect to the fixed rail 300, and the movable rail 400 receives the pressing force to the rear. The elastic spring 600 is installed between the front end of the movable rail 400 and the front part of the fixed rail 300 so as to move rearward in the fixed rail 300 in proportion to the size of the pressing force. .

A through hole 310 is formed in the fixed rail 300 to penetrate back and forth, and the fixed shaft 500 penetrates the through hole 310 of the fixed rail so that the front and rear ends of the movable rail 400 Is coupled to the front and rear ends, the elastic spring 600 is fitted to the fixed shaft 500 in front of the fixed rail 300 is coupled.

In the present invention, the movable rail 400 is configured to slide forward and backward along a path formed by the fixed rail 300, and the movable rail 400 is in a cross-sectional shape constrained by the fixed rail 300. It is formed to slide while being connected to the surface of the fixed rail 300, or sliding the fixed shaft 500, the front and rear ends are fixedly coupled to the moving rail 400 while being connected to the inner circumferential surface of the through-hole 310 Move it.

In order to more stably integrally couple a plurality of other components such as the auxiliary roller guide 800 and the torch adjustment device 900 to the movable rail 400, the movable rail 400 is located above the movable rail 400. 400 is coupled to the moving frame 700 having an extended upper connection area, and the auxiliary roller guide 800 and the torch adjustment device 900 are installed above the moving frame 700.

The auxiliary roller guide 800 is installed on the moving frame 700, and is fixedly coupled to the moving frame 700 so that the front part is located between the left and right pair of roller guides 200, The circular roller 810 is rotatably coupled laterally in front of the auxiliary roller guide 800, similarly to the roller guide 200 such that the circular magnet 210 is rolled in contact with the wall surface of the welded object. do.

The auxiliary roller guide 800 may be located between the roller guides 200 in a straight line shape. However, as shown in FIG. 1, the auxiliary roller guide 800 may include other components including the torch adjusting device 900. When the roller guide 200 is installed on the movable frame 700 from the outside of the roller guide 200, the front end is bent in the lateral direction so that the circular roller 810 is coupled to the front end of the roller guide 200. ) In between.

The torch adjustment device 900 is provided with a torch gripping zone 910 that grips the welding torch at a predetermined angle at a designated position, and has a configuration that allows the torch gripping zone 910 to be moved up and down and moved forward and backward. According to the known art.

3 shows the movable rail 400, the fixed shaft 500, the movable frame 700, the auxiliary roller guide 800, and the torch adjustment device which are moved together when the circular roller 810 receives a pressing force to the rear. 900 is shown as a moving unit coupled to a structure, as shown in Figures 4, 5, 6, the operation is performed by a rigid and concise structure in which the moving unit is tensioned and slides together on the fixed rail 300 It is stable and clear.

Automatic welding running apparatus according to the present invention, when traveling in a straight section, while the circular magnet 210 is connected to the straight wall surface while running sideways mounted to the torch adjustment device 900 at a certain position, a certain angle The welding torch is welded to a certain quality by the welding torch, and when driving the circular curved surface, elliptical curved section, the pair of circular magnets 210 are driven along the curved surface while maintaining the connection to the wall surface, As the auxiliary roller guide 800 and the circular roller 810 is convex due to the curvature of the curved surface between the circular magnet 210 is moved to the rear side with the moving rail 400, the torch adjusting device 900 naturally The welding torch is welded with a certain quality while maintaining the same distance and angle as the straight section.

Curved welding automatic welding driving apparatus according to the present invention is not only suitable for performing welding separately in a straight section, a circular curved surface, an elliptical curved section as described above, as shown in Figure 7 is a straight section and curved section Even when applied to a continuous and complex section, it is possible to stably carry out welding with constant welding quality while traveling all the sections continuously.

In addition, the present invention is a structure that is suitable for use only for welded objects including a curved section where the depressions are not major, and is made smaller and lighter by eliminating unnecessary components to cope with other curved shapes. And it is also easy to install, which can contribute to increase the efficiency of welding work in the workshop.

The present invention by the configuration as described above, there is an effect that the welding can be stably performed with a constant welding quality while running continuously with a straight surface on the basis of the wall surface, circular curved surface, oval curved surface without depressions.

In addition, there is another effect that the operation is made stable and clear by the solid and concise structure, the size and weight are further reduced, and the transportation and installation is easy.

Claims (3)

In the automatic welding running apparatus equipped with a driving motor and a driving wheel 10, which can automatically run, A base frame 100; A pair of rollers coupled to the left and right sides of the base frame 100 and having a circular magnet 210 rotatably coupled to the front in a lateral direction; A fixed rail 300 fixedly installed on the base frame 100 and having a predetermined horizontal width along the front and rear longitudinal directions, and having a through hole 310 in the front and rear directions; A moving rail 400 coupled to an upper side of the fixed rail 300 with a moving free length in front and rear; A fixed shaft 500 which penetrates the through hole 310 of the fixed rail and is coupled to the front and rear ends of the moving rail 400; An elastic spring 600 fitted to the fixed shaft 500 in front of the fixed rail 300; A moving frame (700) fixedly coupled to an upper side of the moving rail (400) with an upper connection area extended than the moving rail (400); An auxiliary roller guide 800 fixedly coupled to the movable frame 700 so that a front portion is located between the pair of roller guides 200, and having a circular roller 810 rotatably coupled to the front side; Automatic welding for curved welding, characterized in that it comprises a; torch adjustment device 900 is fixed to the moving frame 700 having a torch gripping zone 910 for holding a welding torch at a predetermined angle at a specified position Welding driving device. According to claim 1, The fixed rail 300, Constrained to the installation frame 320 having a more extended connection area, the installation frame 310 is fixed welding on the base frame 100, characterized in that the automatic welding running device. According to claim 1 or 2, wherein the auxiliary roller guide 800, Automatic welding running device for the surface welding, characterized in that the front portion is bent in the lateral direction.

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