Welding device for metal structural parts

Abstract

The utility model belongs to the technical field of welding equipment, and particularly relates to a welding device for metal structural parts, which comprises a welding machine tool. Four stand columns are fixedly connected to the top of the welding machine tool. The stand columns are symmetrically arranged in pairs. A cross rod is slidably connected to the middles of the two stand columns. The middle part of the cross rod is in sliding connection with a square lantern ring; the side wall of the square lantern ring is in threaded connection with a second positioning bolt; by means of the first clamping plates and the electric telescopic rods which are symmetrically arranged, clamping and fixing of the metal weldment are achieved, dislocation sliding of the metal weldment is reduced, and the problem of welding dislocation caused by deviation of the welding position due to sliding of the metal weldment is solved; and a plurality of air holes are formed in the middle of the first clamping plate, so that heat generated by welding can be discharged in the welding process of the metal weldment, and the metal weldment can be cooled more quickly.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding equipment, and specifically relates to a welding device for metal structural parts. Background Art

[0002] Metal welding is a manufacturing or sculpting process for connecting metals. During the welding process, the workpiece and the solder may or may not melt to form a direct connection weld of the materials. In this process, pressure is usually applied to join the welded parts. This process aims to achieve a light structural weight, good technical and economic effects, and can manufacture bimetallic structures, making full use of the material properties.

[0003] The welding quality of metal components directly affects the quality of process products. Metal component welding occupies an important position in industrial manufacturing. During the welding process, two groups of metals need to be fixed, and then a welding machine is used for welding. Metal components are prone to shift, resulting in welding misalignment. The welding failure of metal welded parts will not only affect production efficiency but may also pose a serious threat to the safety and functionality of the entire structure.

[0004] Therefore, the utility model provides a welding device for metal structural parts. Summary of the Utility Model

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background art.

[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: A welding device for metal structural parts of the utility model includes a welding machine tool; four columns are fixedly connected to the top of the welding machine tool; the columns are symmetrically arranged in pairs; a cross bar is slidably connected to the middle of two of the columns; a square sleeve ring is slidably connected to the middle of the cross bar; a second positioning bolt is threadedly connected to the side wall of the square sleeve ring; an electric telescopic rod is fixedly connected to the side wall of the square sleeve ring; a first clamping plate is fixedly connected to the end of the electric telescopic rod; the first clamping plates are symmetrically arranged; a plurality of ventilation holes are opened in the middle of the first clamping plates; the ventilation holes are arranged in an array structure. Through the symmetrically arranged first clamping plates and the electric telescopic rod, the clamping and fixing of metal welded parts are realized, the dislocation sliding of metal welded parts is reduced, and the welding misalignment problem caused by the deviation of the welding position due to the sliding of metal welded parts is reduced; by opening a plurality of ventilation holes in the middle of the first clamping plate, the heat generated during welding can be discharged from the metal welded parts during the welding process, enabling the metal welded parts to cool down more quickly.

[0007] Preferably, a plurality of sleeves are fixedly connected to the top of the first clamping plate; a spring is fixedly connected inside the sleeve; a push rod is fixedly connected to the end of the spring; the push rod is slidably connected to the sleeve; a second clamping plate is fixedly connected to the end of the push rod; a plurality of rubber blocks are fixedly connected to the top of the second clamping plate; the rubber blocks are arranged in an array structure; by providing a plurality of rubber blocks on the surface of the second clamping plate, the friction between the rubber blocks and the surface of the metal weldment is increased, further reducing the misalignment sliding of the metal weldment, and further reducing the welding misalignment problem caused by the metal misalignment sliding.

[0008] Preferably, a C-shaped groove is formed inside the column; the end of the cross bar slidably connected to the middle of the column is T-shaped; a plurality of threaded holes are formed in the side wall of the column, and thread lines are engraved in the threaded holes; a first positioning bolt is threadedly connected to one of the threaded holes; by providing the threaded holes, the first positioning bolt and the second positioning bolt, the position of the square collar can be controlled, the first clamping plate can be used to clamp different positions on the surface of the metal weldment, the clamping position of the first clamping plate can be adjusted according to the welding position, so that the clamping is closer to the welding position, thereby reducing the misalignment sliding of the welded area and enhancing the stability of the clamped area of the metal weldment.

[0009] Preferably, an air collecting hood is fixedly connected to the top of the welding machine tool; an air suction pump is communicated with the top of the air collecting hood; an exhaust pipe is communicated with the side wall of the air suction pump; by providing the air collecting hood and the exhaust pipe, the soot generated during metal welding can be collected, reducing the environmental pollution problem caused by welding fumes, and at the same time reducing the harm to the health of welding operators.

[0010] Preferably, a filter screen is fixedly connected to the bottom of the air suction pump; the filter screen is fixedly connected to the bottom edge of the air suction pump; by providing the filter screen, fine metal chips and impurities generated during welding can be prevented from entering the exhaust pipe, reducing the problem of poor exhaust caused by the blockage of the exhaust pipe by fine metal chips and impurities.

[0011] Preferably, a collection box is arranged at the bottom of the welding machine tool; a plurality of magnetic attraction blocks are fixedly connected to the middle of the collection box; the magnetic attraction blocks are arranged in an array structure; by providing the collection box, the metal chips generated during welding can be collected for easy cleaning; by providing the magnetic attraction blocks, the metal chips can be adsorbed.

[0012] The beneficial effects of the present utility model are as follows:

[0013] 1. A welding device for a metal structural member according to the present utility model realizes the clamping and fixing of a metal weldment through symmetrically arranged first clamping plates and electric telescopic rods, reduces the dislocation and sliding of the metal weldment, and reduces the welding dislocation problem caused by the deviation of the welding position due to the sliding of the metal weldment; by providing a plurality of ventilation holes in the middle of the first clamping plate, the heat generated during welding can be discharged from the metal weldment during welding, enabling the metal weldment to cool down more quickly.

[0014] 2. A welding device for a metal structural member according to the present utility model is provided with a top rod and a second clamping plate. When the surface of the metal weldment is irregular, the second clamping plate can abut against the surface of the metal weldment, realizing the extrusion clamping of the surface of the irregular metal weldment, further reducing the dislocation and sliding of the metal weldment; by providing a plurality of rubber blocks on the surface of the second clamping plate, the friction force between the rubber blocks and the surface of the metal weldment is increased, further reducing the dislocation and sliding of the metal weldment, and further reducing the welding dislocation problem caused by the dislocation and sliding of the metal. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present utility model will be further described below with reference to the accompanying drawings.

[0016] Figure 1 is a perspective view of the present utility model;

[0017] Figure 2 is a schematic structural view of the welding machine tool of the present utility model;

[0018] Figure 3 is a schematic structural view of the first clamping plate in the present utility model;

[0019] Figure 4 is a sectional view of the column and cross bar in the present utility model;

[0020] Figure 5 is a schematic structural view of the sleeve and the top rod in the present utility model;

[0021] Figure 6 is a schematic structural view of the air collecting hood and the filter screen in the present utility model;

[0022] In the figure: 1, first clamping plate; 11, welding machine tool; 12, electric telescopic rod; 13, ventilation hole; 2, sleeve; 21, spring; 22, top rod; 23, second clamping plate; 24, rubber block; 3, column; 31, cross bar; 32, square collar; 33, threaded hole; 34, first positioning bolt; 35, second positioning bolt; 4, air collecting hood; 41, suction pump; 42, exhaust pipe; 5, filter screen; 6, collection box; 61, magnetic block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] In order to make the technical means, creative features, achieved purposes and effects realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] As Figure 1 , Figure 2 , Figure 3 , Figure 5 shown, a welding device for a metal structural member according to an embodiment of the present utility model includes a welding machine tool 11; four columns 3 are fixedly connected to the top of the welding machine tool 11; the columns 3 are symmetrically arranged in pairs; a cross bar 31 is slidably connected to the middle of two of the columns 3; a square sleeve 32 is slidably connected to the middle of the cross bar 31; a second positioning bolt 35 is threadedly connected to the side wall of the square sleeve 32; an electric telescopic rod 12 is fixedly connected to the side wall of the square sleeve 32; a first clamping plate 1 is fixedly connected to the end of the electric telescopic rod 12; the first clamping plates 1 are symmetrically arranged; a plurality of ventilation holes 13 are formed in the middle of the first clamping plate 1; the ventilation holes 13 are in an array structure; during use, a metal weldment is placed on the top of the welding machine tool 11, the position of the square sleeve 32 is adjusted according to the welding position of the metal, and the second positioning bolt 35 is tightened. Subsequently, the electric telescopic rod 12 is started. At this time, the electric telescopic rod 12 extends, and the two symmetrically arranged first clamping plates 1 squeeze the surface of the metal weldment, realizing the clamping and fixing of the metal weldment; a plurality of ventilation holes 13 are formed in the middle of the first clamping plate 1. A large amount of heat energy will be generated during the welding of the metal weldment, and the heat generated by welding can be quickly discharged from the ventilation holes 13, enabling the metal weldment to cool down faster; through the symmetrically arranged first clamping plates 1 and the electric telescopic rod 12, the clamping and fixing of the metal weldment are realized, reducing the misalignment and sliding of the metal weldment, and reducing the welding misalignment problem caused by the deviation of the welding position due to the sliding of the metal weldment; by forming a plurality of ventilation holes 13 in the middle of the first clamping plate 1, the heat generated by welding can be discharged during the welding of the metal weldment, enabling the metal weldment to cool down and cool faster.

[0025] As Figure 1 , Figure 2 , Figure 3 , Figure 5As shown in the figure, a plurality of sleeves 2 are fixedly connected to the top of the first clamping plate 1; a spring 21 is fixedly connected inside the sleeve 2; the end of the spring 21 is fixedly connected to a push rod 22; the push rod 22 is slidably connected to the sleeve 2; the end of the push rod 22 is fixedly connected to a second clamping plate 23; a plurality of rubber blocks 24 are fixedly connected to the top of the second clamping plate 23; the rubber blocks 24 are arranged in an array structure; during use, the movement of the first clamping plate 1 will drive the movement of the sleeve 2. When the push rod 22 contacts the surface of the metal weldment, the extrusion between the push rod 22 and the metal weldment will cause the spring 21 to contract, and the spring 21 generates a reaction force acting on the second clamping plate 23, causing the second clamping plate 23 to press against the metal weldment; by providing the push rod 22 and the second clamping plate 23, when the surface of the metal weldment is irregular, the second clamping plate 23 can resist the surface of the metal weldment, realizing the extrusion clamping of the irregular surface of the metal weldment, further reducing the dislocation and sliding of the metal weldment; by providing a plurality of rubber blocks 24 on the surface of the second clamping plate 23, the friction between the rubber blocks 24 and the surface of the metal weldment is increased, further reducing the dislocation and sliding of the metal weldment, and further reducing the welding dislocation problem caused by the dislocation and sliding of the metal.

[0026] As Figure 1 , Figure 2 , Figure 4 shown, a C-shaped groove is provided inside the column 3; the end of the cross bar 31 slidably connected to the middle of the column 3 is T-shaped; a plurality of threaded holes 33 are provided on the side wall of the column 3, and thread lines are engraved in the threaded holes 33; a first positioning bolt 34 is threadedly connected to one of the threaded holes 33; during use, according to the position of the metal weldment, the end of the cross bar 31 is aligned with the corresponding threaded hole 33, and the first positioning bolt 34 is tightened; the position of the square collar 32 is adjusted, and the second positioning bolt 35 is tightened; by providing the threaded holes 33, the first positioning bolt 34 and the second positioning bolt 35, the position of the square collar 32 can be controlled, the first clamping plate 1 can be used to clamp different positions on the surface of the metal weldment, and the clamping position of the first clamping plate 1 can be adjusted according to the welding position, so that the clamping is closer to the welding position, thereby reducing the dislocation and sliding in the welded area and enhancing the stability of the clamped area of the metal weldment.

[0027] As Figure 1 , Figure 6 shown, an air collecting hood 4 is fixedly connected to the top of the welding machine tool 11; an air suction pump 41 is communicated with the top of the air collecting hood 4; an exhaust pipe 42 is communicated with the side wall of the air suction pump 41; during use, the air suction pump 41 is turned on, at this time the air suction pump 41 sucks air, and the air below the air collecting hood 4 is sucked by the air suction pump 41 and then discharged through the exhaust pipe 42; by providing the air collecting hood 4 and the exhaust pipe 42, the smoke and dust generated during welding of metals can be collected, reducing the environmental pollution problem caused by welding fumes and at the same time reducing the damage to the health of welding operators.

[0028] AsFigure 1 , Figure 6 As shown, a filter screen 5 is fixedly connected to the bottom of the suction pump 41; the filter screen 5 is fixedly connected to the bottom edge of the suction pump 41. By providing the filter screen 5, fine metal chips and impurities generated during welding can be prevented from entering the exhaust duct 42, reducing the problem of poor smoke exhaust caused by blockage of the exhaust duct 42 by fine metal chips and impurities.

[0029] As Figure 1 shown, a collection box 6 is provided at the bottom of the welding machine tool 11; a plurality of magnetic attraction blocks 61 are fixedly connected to the middle of the collection box 6; the magnetic attraction blocks 61 are arranged in an array structure. By providing the collection box 6, metal chips generated during welding can be collected, facilitating cleaning; by providing the magnetic attraction blocks 61, the metal chips can be adsorbed.

[0030] Working principle: Place the metal workpiece on the top of the welding machine tool 11. According to the position of the metal welding, adjust the position of the square sleeve 32, tighten the second positioning bolt 35, and then start the electric telescopic rod 12. At this time, the electric telescopic rod 12 extends, and the two symmetrically arranged first clamping plates 1 squeeze the surface of the metal workpiece, realizing the clamping and fixing of the metal workpiece; a plurality of ventilation holes 13 are provided in the middle of the first clamping plate 1. A large amount of heat energy will be generated during the welding of the metal workpiece, and the heat generated by welding can be quickly discharged from the ventilation holes 13, enabling the metal workpiece to cool down faster; the movement of the first clamping plate 1 will drive the movement of the sleeve 2. When the ejector rod 22 touches the surface of the metal workpiece, the extrusion between the ejector rod 22 and the metal workpiece will cause the spring 21 to contract, and the spring 21 generates a reaction force acting on the second clamping plate 23, causing the second clamping plate 23 to squeeze the metal workpiece; according to the position of the metal workpiece, align the end of the cross bar 31 with the corresponding threaded hole 33, and tighten the first positioning bolt 34; adjust the position of the square sleeve 32 and tighten the second positioning bolt 35; turn on the suction pump 41. At this time, the suction pump 41 sucks air, and the air below the air collecting hood 4 is sucked by the suction pump 41 and then discharged through the exhaust duct 42; by providing the filter screen 5, fine metal chips and impurities generated during welding can be prevented from entering the exhaust duct 42; by providing the collection box 6, metal chips generated during welding can be collected.

[0031] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art of this industry should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A welding device for a metal structural member, characterized in that: It includes a welding machine tool (11); four columns (3) are fixedly connected to the top of the welding machine tool (11); the columns (3) are symmetrically arranged in pairs; a cross bar (31) is slidably connected to the middle of two of the columns (3); a square collar (32) is slidably connected to the middle of the cross bar (31); a second positioning bolt (35) is threadedly connected to the side wall of the square collar (32); an electric telescopic rod (12) is fixedly connected to the side wall of the square collar (32); a first clamping plate (1) is fixedly connected to the end of the electric telescopic rod (12); the first clamping plates (1) are symmetrically arranged; a plurality of ventilation holes (13) are formed in the middle of the first clamping plate (1); the ventilation holes (13) are in an array structure.

2. The welding device for a metal structural member according to claim 1, characterized in that: A plurality of sleeves (2) are fixedly connected to the top of the first clamping plate (1); a spring (21) is fixedly connected inside the sleeve (2); a push rod (22) is fixedly connected to the end of the spring (21); the push rod (22) is slidably connected to the sleeve (2); a second clamping plate (23) is fixedly connected to the end of the push rod (22); a plurality of rubber blocks (24) are fixedly connected to the top of the second clamping plate (23); the rubber blocks (24) are in an array structure.

3. The welding device for a metal structural member according to claim 2, characterized in that: A C-shaped groove is formed inside the column (3); the end of the cross bar (31) slidably connected to the middle of the column (3) is T-shaped; a plurality of threaded holes (33) are formed in the side wall of the column (3), and thread lines are engraved in the threaded holes (33); a first positioning bolt (34) is threadedly connected to one of the threaded holes (33).

4. The welding device for a metal structural member according to claim 3, characterized in that: An air collecting hood (4) is fixedly connected to the top of the welding machine tool (11); an air suction pump (41) is communicated with the top of the air collecting hood (4); an exhaust pipe (42) is communicated with the side wall of the air suction pump (41).

5. The welding device for a metal structural member according to claim 4, wherein: A filter screen (5) is fixedly connected to the bottom of the air suction pump (41); the filter screen (5) is fixedly connected to the bottom edge of the air suction pump (41).

6. The welding device for a metal structural member according to claim 5, characterized in that: A collection box (6) is arranged at the bottom of the welding machine tool (11); a plurality of magnetic attraction blocks (61) are fixedly connected to the middle of the collection box (6); the magnetic attraction blocks (61) are in an array structure.

Images