Steel structure welding device

Abstract

A steel structure welding device comprises a pair of telescopic clamping mechanisms distributed in a mirror image mode, a pair of welding guns (50), a lifting rack (51) and an upper pressing air cylinder (52), each telescopic clamping mechanism comprises a side pressing air cylinder (102), a pair of lower sliding wheels (103) and an upper sliding wheel (104), and a sliding wheel installation plate is arranged at the end of a piston rod of each side pressing air cylinder (102); the welding device has the advantages that the T-shaped steel can be continuously welded, the welding speed is high, the T-shaped steel is accurately positioned, and the product quality is good.

Description

Technical Field

[0001] The utility model relates to the field of T-shaped steel welding equipment, in particular to a steel structure welding device. Background Art

[0002] At present, when T-shaped steel is assembled and welded, it needs to be positioned by multiple positioning devices. After positioning, the workers use welding guns to weld the vertical plate and horizontal plate of the T-shaped steel. When welding T-shaped steel, the T-shaped steel at the welding point needs to be accurately pressed and positioned. The existing positioning method mostly uses a clamp for multi-point clamping and positioning. After each welding, the clamp needs to be removed to remove the T-shaped steel. The production efficiency is low and cannot adapt to the production needs of the factory. Utility Model Content

[0003] The purpose of the utility model is to provide a steel structure welding device in view of the above-mentioned shortcomings.

[0004] The utility model comprises a pair of telescopic clamping mechanisms distributed in mirror images, a pair of welding guns, a lifting frame and an upper pressure cylinder.

[0005] The telescopic clamping mechanism includes a side pressure cylinder, a pair of lower pulleys and an upper pulley. A pulley mounting plate is provided at the end of the piston rod of the side pressure cylinder. The pair of lower pulleys are installed on the bottom surface of the pulley mounting plate. The upper pulley is installed on the top surface of the pulley mounting plate and is located between the pair of lower pulleys. A pair of welding guns are installed on a horizontal ground through a welding gun bracket. The upper pressure cylinder is installed on the top of the lifting frame. The upper pressure roller is provided at the end of the piston rod of the upper pressure cylinder. The lifting frame is located between the telescopic clamping mechanism and the welding gun.

[0006] The pulley mounting plate is an isosceles triangle plate, and a pair of lower pulleys are mounted at two feet of the bottom surface of the isosceles triangle plate.

[0007] The lifting frame is composed of a pair of guide columns and a top plate. The pair of guide columns are symmetrically distributed, and the top plate is installed on the top of the guide columns. An upper pressure slider is slidably arranged on the pair of guide columns. The cylinder barrel of the upper pressure cylinder is installed in the middle of the top plate. The piston rod of the upper pressure cylinder passes through the top plate and is fixedly connected with the upper pressure slider. An upper pressure roller is arranged at the bottom of the upper pressure slider, and the upper pressure slider is driven by the upper pressure cylinder to slide up and down along the pair of guide columns.

[0008] Both ends of the upper pressing slide block are respectively provided with guide holes, and the upper pressing slide block is installed on the guide column through the guide holes.

[0009] A drag block with a right-angled triangle cross-section is provided on the top of the welding gun bracket, a guide cylinder is provided on the inclined surface of the drag block, an L-shaped mounting plate is provided at the end of the piston rod of the guide cylinder, an adjusting rod is provided on the guide cylinder, and the barrel of the welding gun is installed on the adjusting rod through a cross adjusting sleeve.

[0010] The cross adjustment sleeve is composed of a horizontal tube and a vertical tube. The vertical tube is welded to the horizontal tube. The barrel of the welding gun is inserted into the vertical tube and fixed by a locking screw. The horizontal tube is sleeved on the adjustment rod and fixed by a locking screw.

[0011] A discharging conveyor is arranged on one side of the welding gun.

[0012] The outfeed conveyor is a roller conveyor.

[0013] The utility model has the advantages of being able to continuously weld T-shaped steels, having a fast welding speed, accurately positioning the T-shaped steels, and having good product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model.

[0015] Figure 2 It is a structural schematic diagram of the telescopic clamping mechanism of the utility model.

[0016] Figure 3 It is a structural schematic diagram of a welding gun of the utility model.

[0017] Figure 4 It is a structural schematic diagram of the utility model when welding T-shaped steel. DETAILED DESCRIPTION

[0018] 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.

[0019] 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.

[0020] 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.

[0021] In the description of the embodiments of the present invention, it should be noted that if the terms "upper", "lower", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the product of the invention is usually placed when in use. This is only for the convenience of describing the present invention and simplifying the description, and does 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 a limitation on the present invention. In addition, if the terms "first", "second", etc. appear in the description of the present invention, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0022] In the description of the embodiments of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting" and "connection" 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 components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] As shown in the accompanying drawings, the utility model includes a pair of telescopic clamping mechanisms distributed in a mirror image, a pair of welding guns 50, a lifting frame 51 and an upper pressure cylinder 52.

[0024] The telescopic clamping mechanism includes a side pressure cylinder 102, a pair of lower pulleys 103 and an upper pulley 104, a pulley mounting plate is provided at the end of the piston rod of the side pressure cylinder 102, a pair of lower pulleys 103 are installed on the bottom surface of the pulley mounting plate, and the upper pulley 104 is installed on the top surface of the pulley mounting plate and is located between the pair of lower pulleys 103; a pair of welding guns 50 are installed on a horizontal ground through a welding gun bracket, the upper pressure cylinder 52 is installed on the top of the lifting frame 51, and an upper pressure roller 107 is provided at the end of the piston rod of the upper pressure cylinder 52, and the lifting frame 51 is located between the telescopic clamping mechanism and the welding gun 50.

[0025] The pulley mounting plate is an isosceles triangle plate, and a pair of lower pulleys 103 are mounted at two feet of the bottom surface of the isosceles triangle plate.

[0026] The lifting frame 51 is composed of a pair of guide columns and a top plate. The pair of guide columns are symmetrically distributed. The top plate is installed on the top of the guide columns. An upward pressure slider 108 is slidably arranged on the pair of guide columns. The cylinder barrel of the upward pressure cylinder 52 is installed in the middle of the top plate. The piston rod of the upward pressure cylinder 52 passes through the top plate and is fixedly connected to the upward pressure slider 108. A upward pressure roller 107 is arranged at the bottom of the upward pressure slider 108, and the upward pressure slider 108 is driven by the upward pressure cylinder 52 to slide up and down along the pair of guide columns.

[0027] Both ends of the upper pressing slide block 108 are respectively provided with guide holes, and the upper pressing slide block 108 is installed on the guide column through the guide holes.

[0028] A drag block 109 with a right-angled triangle cross section is provided on the top of the welding gun bracket, a guide cylinder 110 is provided on the inclined surface of the drag block 109, an L-shaped mounting plate 111 is provided at the end of the piston rod of the guide cylinder 110, an adjusting rod 112 is provided on the guide cylinder 110, and the barrel of the welding gun 50 is installed on the adjusting rod 112 through a cross adjusting sleeve 113.

[0029] The cross adjustment sleeve 113 is composed of a horizontal tube and a vertical tube, the vertical tube is welded to the horizontal tube, the barrel of the welding gun 50 is inserted into the vertical tube and fixed by a locking screw, and the horizontal tube is sleeved on the adjustment rod 112 and fixed by a locking screw.

[0030] A discharge conveyor 114 is provided on one side of the welding gun 50 .

[0031] The outfeed conveyor 114 is a roller conveyor.

[0032] Embodiment 1: The T-shaped steel delivered by the positioning and conveying device is first clamped and positioned by the telescopic clamping mechanism. The piston rods of a pair of side pressure cylinders 102 extend at the same time, driving a pair of lower pulleys 103 and upper pulleys 104 to press on the side walls of the vertical plate of the T-shaped steel, clamping and positioning the vertical plate, and the piston rod of the upper pressure cylinder 52 extends, driving the upper pressure slider 108 to move downward, and the upper pressure roller 107 presses on the top of the vertical plate of the T-shaped steel to complete the positioning of the T-shaped steel. The T-shaped steel is continuously conveyed forward by the conveying device of the previous station and moves to the welding gun 50. The piston rod of the guide cylinder 110 extends, driving the welding gun 50 to approach the junction of the vertical plate and the horizontal plate of the T-shaped steel for welding. After welding, the piston rod of the guide cylinder 110 is retracted. When it is necessary to adjust the welding angle, the position of the cross adjustment sleeve 113 on the adjustment rod 112 can be used to adjust the welding gun angle, and it is fixed by the locking screw after the adjustment is completed. The drag block 109 with a right triangle cross section is used to make the guide cylinder 110 have an inclined angle. After the piston rod of the guide cylinder 110 is extended, it is convenient to avoid the T-shaped steel and can adapt to T-shaped steels of various sizes. The welded T-shaped steel is output through the discharging conveyor 114.

Claims

1. A steel structure welding device, characterized in that It comprises a pair of telescopic clamping mechanisms distributed in a mirror image, a pair of welding guns (50), a lifting frame (51) and an upper pressure cylinder (52). The telescopic clamping mechanism comprises a side pressure cylinder (102), a pair of lower pulleys (103) and an upper pulley (104); a pulley mounting plate is arranged at the end of the piston rod of the side pressure cylinder (102); the pair of lower pulleys (103) are mounted on the bottom surface of the pulley mounting plate; the upper pulley (104) is mounted on the top surface of the pulley mounting plate and is located between the pair of lower pulleys (103); a pair of welding guns (50) are mounted on a horizontal ground through welding gun brackets; the upper pressure cylinder (52) is mounted on the top of a lifting frame (51); the piston rod end of the upper pressure cylinder (52) is provided with an upper pressure roller (107); and the lifting frame (51) is located between the telescopic clamping mechanism and the welding gun (50).

2. A steel structure welding device according to claim 1, characterized in that: The pulley mounting plate is an isosceles triangle plate, and a pair of lower pulleys (103) are mounted at two feet of the bottom surface of the isosceles triangle plate.

3. A steel structure welding device according to claim 1, characterized in that: The lifting frame (51) is composed of a pair of guide columns and a top plate. The pair of guide columns are symmetrically distributed. The top plate is installed on the top of the guide columns. An upper pressure slider (108) is slidably arranged on the pair of guide columns. The cylinder barrel of the upper pressure cylinder (52) is installed in the middle of the top plate. The piston rod of the upper pressure cylinder (52) passes through the top plate and is fixedly connected to the upper pressure slider (108). An upper pressure roller (107) is arranged at the bottom of the upper pressure slider (108). The upper pressure slider (108) is driven by the upper pressure cylinder (52) to slide up and down along the pair of guide columns.

4. A steel structure welding device according to claim 3, characterized in that: The upper pressing slide block (108) is provided with guide holes at both ends respectively and is installed on the guide column through the guide holes.

5. A steel structure welding device according to claim 1, characterized in that: A drag block (109) with a right-angled triangle cross section is arranged on the top of the welding gun bracket, a guide cylinder (110) is arranged on the inclined surface of the drag block (109), an L-shaped mounting plate (111) is arranged at the end of the piston rod of the guide cylinder (110), an adjusting rod (112) is arranged on the guide cylinder (110), and a gun barrel of the welding gun (50) is mounted on the adjusting rod (112) through a cross adjusting sleeve (113).

6. A steel structure welding device according to claim 5, characterized in that: The cross adjustment sleeve (113) is composed of a horizontal tube and a vertical tube, the vertical tube is welded to the horizontal tube, the barrel of the welding gun (50) is inserted into the vertical tube and fixed by a locking screw, and the horizontal tube is sleeved on the adjustment rod (112) and fixed by a locking screw.

7. A steel structure welding device according to claim 1, characterized in that: A discharge conveyor (114) is provided on one side of the welding gun (50).

8. A steel structure welding device according to claim 7, characterized in that: The outfeed conveyor (114) is a roller conveyor.

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