A multifunctional multi-head butt welding machine

Abstract

The present invention relates to the technical field of welding machines, and discloses a multifunctional multi-head butt welding machine, which includes a welding machine body, wherein the welding machine body has an upper support arm, a lower support arm, a component box, and a plurality of pairs of welding heads driven by a first cylinder, wherein the distribution direction of the support frame is parallel to the side wall where the upper support arm is located, and a first guide member located between the upper support arm and the lower support arm is slidably mounted on the support frame, and a welding table is slidably mounted on the first guide member, and a second cylinder is located below the welding table, and an inclined guide rod is arranged on the piston rod of the second cylinder, and a guide block is also arranged on the inclined guide rod, and a guide groove is provided on the guide block, and a pair of guide columns are arranged in the guide groove, and a mounting plate is arranged on the guide column, and the mounting plate is fixed on the ground. The beneficial effect of the present invention is that after the pipe fitting is welded, the second cylinder is started to make the inclined guide rod rise to lift the pipe fitting, and the lifted pipe fitting slides out of the welding table along the inclined guide rod, and the unloading is convenient and fast, which reduces the labor intensity of the workers.

Description

Technical Field

[0001] The invention relates to the technical field of welding machines, in particular to a multifunctional multi-head butt welding machine. Background Art

[0002] When welding cylindrical workpieces, workers need to first align the two tubes and place them on the welding platform, and then use a fixing device to fix the workpiece. The process is cumbersome, the operation is complicated, and the fixation is very inconvenient. In addition, after manual loading, the welding trolley is pushed to the welding position for welding. After welding, the material is unloaded manually, and then the material is loaded again and the welding trolley is pushed to the welding position for welding. Such repeated operations not only have low production efficiency, but also high labor intensity for workers. Summary of the invention

[0003] The invention aims to provide a multifunctional multi-head butt welding machine to solve the problem of manual unloading after the existing cylindrical workpiece welding is completed.

[0004] The object of the present invention is achieved through the following technical solutions: a multifunctional multi-head butt welding machine, comprising a welding machine body, the welding machine body having an upper support arm, a lower support arm, a component box and a plurality of pairs of welding heads driven by a first cylinder, the upper support arm and the lower support arm are both located on the same side wall of the component box, the same pair of welding heads are respectively located on the upper support arm and the lower support arm, the welding heads are distributed on the upper support arm and the lower support arm in a square shape, and also comprises a pair of first guide members with fixed spacing, a welding table, a plurality of support frames and a second cylinder, the distribution direction of the support frames is parallel to the side wall where the upper support arm is located, and the support frames are located between the upper support arm and the lower support arm. The first guide member between the support arms is slidably installed on the support frame, and the sliding direction of the first guide member is perpendicular to its length direction. The welding table is slidably installed on the first guide member, and the welding table slides along the length direction of the first guide member. The second cylinder is located below the welding table, and an inclined guide rod is provided on the piston rod of the second cylinder, and the inclined guide rod is perpendicular to the long direction of the first guide member. A guide block is also provided on the inclined guide rod, and a guide groove is opened on the guide block. A pair of guide columns are provided in the guide groove. A mounting plate is provided on the guide column, and the mounting plate is fixed on the ground and parallel to the piston rod of the second cylinder.

[0005] Preferably, the welding table includes a frame body, in which mutually parallel support plates are arranged, and a V-shaped groove is opened on the support plate, and an A clamp arm and a B clamp arm are hinged on the outer side wall of the V-shaped groove, and the A clamp arm and the B clamp arm are both L-shaped, and the inner angle of the A clamp arm is arranged opposite to the inner angle of the B clamp arm, and the clamping section of the A clamp arm and the clamping section of the B clamp arm are both located above the notch of the V-shaped groove, and the non-clamping end of the A clamp arm is slidably mounted on the non-clamping section of the B clamp arm, and a tension spring is arranged on the non-clamping end of the B clamp arm, and the tension spring is used to make the clamping section of the A clamp arm and the clamping section of the B clamp arm be arranged in a V shape, and the V-shaped opening formed by the clamping section of the A clamp arm and the clamping section of the B clamp arm faces away from the V-shaped groove.

[0006] Preferably, two opposite inner walls of the frame are provided with slots, and the support plate is tightly mounted in the slots.

[0007] Preferably, the clamping surface of the A clamping arm and the clamping surface of the B clamping arm are both arc surfaces.

[0008] Preferably, a second guide member is fixedly provided at the bottom of the first guide member, the first guide member and the second guide member are both channel steels, the notches of the first guide member are arranged facing each other, the notch of the second guide member is facing away from the first guide member, the welding table is slidably installed in the groove of the first guide member, a rolling guide rail is provided on the support frame, and the slider of the rolling guide rail is fixedly provided in the groove of the second guide member.

[0009] Preferably, an active roller and a driven roller are rotatably mounted on the support frame on the side close to the welding machine body, the active roller and the driven roller are respectively located on both sides of the first guide member, the active roller and the driven roller are linked by a belt, the active roller is driven by a first motor fixed to the support frame, a pair of clamping blocks are arranged on the side wall of the second guide member, the pair of clamping blocks are clamped on the belt by bolts, a second motor is fixed on the support frame on the side close to the welding machine body, a driving wheel is mounted on the rotating shaft of the second motor, the axis of the driving wheel is perpendicular to the first guide member and is pressed against the side of the welding table, driven wheels are mounted on two opposite sides of the welding table, the driven wheels are located in the groove of the first guide member.

[0010] The present invention has the following advantages:

[0011] 1. After the pipe welding is completed, start the second cylinder to make the inclined guide rod rise to lift the pipe. The lifted pipe slides out of the welding table along the inclined guide rod. The unloading is convenient and fast, which reduces the labor intensity of workers.

[0012] 2. Place the pipe fitting in the V-groove, press the clamp arm down to rotate it, and then clamp the pipe fitting in the V-groove to avoid the pipe fitting moving during welding, which will affect the welding quality. The structure is simple and easy to operate. After welding, the pipe fitting can be taken out. The clamp arm will reset under the action of the tension spring, which is convenient for clamping the pipe fitting again.

[0013] 3. The first guide member and the second guide member move in coordination with each other, so that the welding table can move in two dimensions, and it is convenient to move the workpiece on the welding table for welding.

[0014] 4. The first guide member and the second guide member are driven by a motor, which avoids manual pushing of the welding table to move and reduces the labor intensity of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The installation structure of the present invention is shown in FIG. Figure 1 ;

[0016] Figure 2 The installation structure of the present invention is shown in FIG. Figure 2 ;

[0017] Figure 3 for Figure 2 A local enlarged schematic diagram of the middle A;

[0018] Figure 4 This is a schematic diagram of the installation structure of the box door;

[0019] Figure 5 for Figure 4 A partial enlarged schematic diagram of point B in the middle;

[0020] Figure 6 It is a schematic diagram of the structure of the tooling;

[0021] Figure 7 for Figure 6 A partial enlarged schematic diagram of point C in the middle;

[0022] Figure 8 for Figure 1 A partial enlarged schematic diagram of point D in the middle;

[0023] In the figure, 1-welding machine, 2-upper support arm, 3-lower support arm, 4-component box, 5-welding head, 6-first guide, 7-frame, 8-support frame, 9-second guide, 10-rolling guide, 11-active roller, 12-driven roller, 13-belt, 14-first motor, 15-clamp, 16-second motor, 17-active wheel, 18-driven wheel, 19-first cylinder, 20-second cylinder, 21-box door, 22-slide, 23-third guide, 24-tension spring, 25-support plate, 26-V-groove, 27-card slot, 28-A clamp arm, 29-B clamp arm, 30-oblique guide rod, 31-guide block, 32-guide groove, 33-guide column, 34-mounting plate. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features of the embodiments may be combined with each other.

[0027] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0028] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the invention is usually placed when in use, or the positions or positional relationships commonly understood by those skilled in the art, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] like Figure 1 , 2, 6, 7, and 8, a multifunctional multi-head butt welding machine includes a welding machine body 1. The components of the welding machine body 1 are assembled using commercially available products according to the working principle of the welding machine in the prior art, so the installation of the components and the connection between them are not described in detail here. The welding machine body 1 has an upper support arm 2, a lower support arm 3, a component box 4, and a plurality of pairs of welding heads 5 driven by a first cylinder 19. The upper support arm 2 and the lower support arm 3 are both located on the same side wall of the component box 4. The same pair of welding heads 5 are respectively located on the upper support arm 2 and the lower support arm 3. The welding heads 5 are distributed in a square shape on the upper support arm 2 and the lower support arm 3. The commercially available components are installed inside or outside the component box 4 according to actual conditions. The installation situation is not described in detail here. The multiple welding heads 5 weld the workpiece. The working efficiency is improved, and the welding heads 5 are distributed in a square shape to form welding spots of various shapes. When three pairs of welding heads 5 are used, triangular welding spots are formed to meet the welding of various special-shaped parts. It also includes a pair of first guide members 6 with fixed spacing, a welding table and a plurality of support frames 8. The distribution direction of the support frames 8 is parallel to the side wall where the upper support arm 2 is located. The first guide member 6 located between the upper support arm 2 and the lower support arm 3 is slidably installed on the support frame 8. The sliding direction of the first guide member 6 is perpendicular to its length direction. The welding table is slidably installed on the first guide member 6. The welding table slides along the length direction of the first guide member 6. A second guide member 9 is fixedly provided at the bottom of the first guide member 6. The first guide member 6 and the second guide member 9 are both channel steels. The notches of the first guide member 6 are arranged facing each other, and the notches of the second guide member 6 are arranged facing each other. The notch of the guide member 9 faces away from the first guide member 6, and the welding table is slidably installed in the groove of the first guide member 6. A rolling guide rail 10 is arranged on the support frame 8, and the slider of the rolling guide rail 10 is fixed in the groove of the second guide member 9. The first guide member 6 and the second guide member 9 that move in coordination with each other allow the welding table to perform two-dimensional plane movement, which is convenient for moving the workpiece on the welding table for welding, and the rolling guide rail 10 makes the sliding of the second guide member 9 more labor-saving. The welding table is composed of a frame body 7 and a plurality of support plates 25. A card groove 27 is provided on two opposite inner walls of the frame body 7, and the support plate 25 is stuck in the card groove 27. The support plates 25 are evenly distributed along the length direction of the first guide member 6, and a V-shaped groove 26 is provided on the support plate 25 along its length direction. The outer wall of the V-shaped groove 26 The A clamp arm 28 and the B clamp arm 29 are hinged on the top, and the A clamp arm 28 and the B clamp arm 29 are both L-shaped. The clamping surface of the A clamp arm 28 and the clamping surface of the B clamp arm 29 are both arc surfaces, which increase the clamping surface with the pipe fitting and make the clamping more secure. The inner corner of the A clamp arm 28 and the inner corner of the B clamp arm 29 are arranged opposite to each other. The clamping section of the A clamp arm 28 and the clamping section of the B clamp arm 29 are both located above the notch of the V-shaped groove 26. The non-clamping end of the A clamp arm 28 is slidably installed on the non-clamping section of the B clamp arm 29. A tension spring 24 is arranged on the non-clamping end of the B clamp arm 29. The tension spring 24 makes the clamping section of the A clamp arm 28 and the clamping section of the B clamp arm 29 be arranged in a V shape. The V-shaped opening formed by the clamping section of the A clamp arm 28 and the clamping section of the B clamp arm 29 faces away from the V-shaped groove 26.The pipe fitting is placed in the V-shaped groove 26, and the pipe fitting presses down the clamp arm to rotate the clamp arm so as to clamp the pipe fitting in the V-shaped groove 26, so as to avoid the pipe fitting from moving during welding and affecting the welding quality. The structure is simple and easy to operate. The second cylinder 20 is located below the welding table. The piston rod of the second cylinder 20 is provided with an inclined guide rod 30, which is perpendicular to the long direction of the first guide member 6. The inclined guide rod 30 is also provided with a guide block 31, and the guide block 31 is provided with a guide groove 32. A pair of guide columns 33 are provided in the guide groove 32. A mounting plate 34 is provided on the guide column 33. The mounting plate 34 is fixed on the ground and parallel to the piston rod of the second cylinder 20. After the pipe fitting is welded, the second cylinder is started to make the inclined guide rod rise to lift the pipe fitting. The lifted pipe fitting slides out of the welding table along the inclined guide rod. The unloading is convenient and fast, which reduces the labor intensity of the workers. The clamp arm is reset under the action of the tension spring 24, which is convenient for clamping the pipe fitting again.

[0031] In this embodiment, if Figure 1-3 As shown, a driving roller 11 and a driven roller 12 are rotatably mounted on a support frame 8 on one side close to the welding machine body 1. The driving roller 11 and the driven roller 12 are respectively located on both sides of the first guide member 6. The driving roller 11 and the driven roller 12 are linked by a belt 13. The driving roller 11 is driven by a first motor 14 fixed to the support frame 8. A pair of clamping blocks 15 are provided on the side wall of the second guide member 9. The pair of clamping blocks 15 are clamped on the belt 13 by bolts. A second motor 16 is fixed on the support frame 8 on the side close to the welding machine body 1. A driving wheel 17 is installed on the rotating shaft of the machine 16. The axis of the driving wheel 17 is perpendicular to the first guide member 6 and is pressed against the side of the welding table. Driven wheels 17 are installed on the two opposite sides of the welding table. The driven wheel 17 is located in the groove of the first guide member 6. The first guide member 6 and the second guide member 9 are driven by a motor, which avoids manual movement of the welding table and reduces the labor intensity of workers. The driven wheel 17 located in the first guide member 6 not only makes the movement of the welding table more labor-saving, but also can limit the workbench to avoid derailment.

[0032] In this embodiment, if Figure 4 and 5As shown, the component box 4 is provided with a box door 21, and the box door 21 is located on the surface opposite to the surface where the upper support arm 2 is located. An L-shaped slide groove 22 is respectively opened on the two inner walls of the component box 4 adjacent to the box door 21, and the inner side of the L-shaped slide groove 22 faces away from the box opening of the component box 4. A pair of third guide members 23 are respectively provided on both sides of the box door 21, and the third guide members 23 are located in the slide groove 22. The same pair of third guide members 23 are respectively close to the upper side and the lower side of the box door 21. 1 is formed by a plurality of mutually hinged door panels, the rotating shaft of the door panel is perpendicular to the side of the box door 21, the third guide member 23 is a roller or a cylinder, and the hidden box door 21 opening structure avoids the box door 21 from occupying the outer space of the box body when it is opened, and avoids scratching when pedestrians pass by, causing safety accidents, and the box door formed by the hinged door panels reduces the occupation of the internal space when it is opened. The component box 4 is also provided with a door lock for locking the box door 21. The door lock adopts a commercially available product, so it is not described in detail here.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multifunctional multi-head butt welding machine, comprising a welding machine body, the welding machine body having an upper support arm, a lower support arm, a component box and a plurality of pairs of welding heads driven by a first cylinder, the upper support arm and the lower support arm are both located on the same side wall of the component box, the same pair of welding heads are respectively located on the upper support arm and the lower support arm, the welding heads are distributed in a square shape on the upper support arm and the lower support arm, characterized in that: It also includes a pair of first guide members with fixed intervals, a welding table, a plurality of support frames and a second cylinder, the distribution direction of the support frames is parallel to the side wall where the upper support arm is located, the first guide member located between the upper support arm and the lower support arm is slidably mounted on the support frame, the sliding direction of the first guide member is perpendicular to its length direction, the welding table is slidably mounted on the first guide member, the welding table slides along the length direction of the first guide member, the second cylinder is located below the welding table, an oblique guide rod is arranged on the piston rod of the second cylinder, the oblique guide rod is perpendicular to the long direction of the first guide member, a guide block is also arranged on the oblique guide rod, a guide groove is opened on the guide block, a pair of guide columns are arranged in the guide groove, a mounting plate is arranged on the guide column, the mounting plate is fixed on the ground and is parallel to the piston rod of the second cylinder; The welding table comprises a frame, wherein mutually parallel supporting plates are arranged in the frame, wherein a V-shaped groove is formed on the supporting plate, and an A clamp arm and a B clamp arm are hinged on the outer side wall of the V-shaped groove, wherein the A clamp arm and the B clamp arm are both L-shaped, and the inner angle of the A clamp arm and the inner angle of the B clamp arm are arranged facing each other, and the clamping section of the A clamp arm and the clamping section of the B clamp arm are both located above the notch of the V-shaped groove, and the non-clamping end of the A clamp arm is slidably mounted on the non-clamping section of the B clamp arm, and a tension spring is arranged on the non-clamping end of the B clamp arm, and the clamping section of the A clamp arm and the clamping section of the B clamp arm are arranged in a V shape by the tension spring, and the V-shaped opening formed by the clamping section of the A clamp arm and the clamping section of the B clamp arm faces away from the V-shaped groove; A second guide member is fixedly provided at the bottom of the first guide member, and both the first guide member and the second guide member are channel steels. The notches of the first guide member are arranged facing each other, and the notch of the second guide member is facing away from the first guide member. The welding table is slidably installed in the groove of the first guide member, and a rolling guide rail is provided on the support frame, and a slider of the rolling guide rail is fixedly provided in the groove of the second guide member.

2. A multifunctional multi-head butt welding machine according to claim 1, characterized in that: The two opposite inner walls of the frame are both provided with card slots, and the support plate is tightly fitted and installed in the card slots.

3. The multifunctional multi-head butt welding machine according to claim 1, characterized in that: The clamping surface of the A clamping arm and the clamping surface of the B clamping arm are both arc surfaces.

4. The multifunctional multi-head butt welding machine according to claim 1, characterized in that: An active roller and a driven roller are rotatably mounted on the support frame on one side close to the welding machine body, the active roller and the driven roller are respectively located on both sides of the first guide member, the active roller and the driven roller are linked by a belt, the active roller is driven by a first motor fixed to the support frame, a pair of clamping blocks are arranged on the side wall of the second guide member, the pair of clamping blocks are clamped on the belt by bolts, a second motor is fixed on the support frame on one side close to the welding machine body, a driving wheel is mounted on the rotating shaft of the second motor, the axis of the driving wheel is perpendicular to the first guide member, and is pressed against the side of the welding table, driven wheels are mounted on two opposite sides of the welding table, and the driven wheels are located in the groove of the first guide member.

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