H-shaped steel welding device

Abstract

The H-shaped steel welding device comprises a working table, a first mounting plate and a second mounting plate are arranged at the two ends of the working table respectively, and web clamping assemblies are rotationally connected to the opposite side faces of the first mounting plate and the second mounting plate. The first mounting plate is fixedly connected to the top face of the workbench, and a first motor is fixedly connected to the other side face of the first mounting plate and used for driving a web clamping assembly on the side face of the first mounting plate to rotate. A portal frame is arranged on the workbench in a crossing mode and slidably connected with the workbench, a driving assembly is arranged on the side wall of the workbench and connected with the bottom end of the portal frame, and welding guns are fixedly connected to the two ends of the bottom face of a top plate of the portal frame respectively. A first lifting platform is fixedly connected to the middle of the top face of the workbench, and flange plate fixing assemblies are slidably connected to the two ends of the top face of the first lifting platform. The H-shaped steel can be turned over in the welding process, manual operation is reduced, and the welding efficiency of the H-shaped steel is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to H type steel welding technical field especially relates to a H type steel welding device. BACKGROUND

[0002] The flange of H type steel is parallel or close to parallel on the inside and outside, and the end of the flange is a right angle, so it is named parallel flange I-beam, the web thickness of H type steel is smaller than that of ordinary I-beam with the same high web, and the flange width is larger than that of ordinary I-beam with the same high web, so it is also named wide flange I-beam, determined by shape, the section modulus, moment of inertia and corresponding strength of H type steel are significantly better than those of ordinary I-beam with the same single weight.

[0003] The existing H type steel needs to weld the web and flange plate of H type steel together, the current H type steel welding device can weld, but when welding the upper and lower surfaces of the web and the flange plate respectively, the web needs to be manually turned over by tools after welding the upper surface of the web, and the other surface of the web is welded, which leads to slow welding efficiency. For example, the utility model patent with application number 202221182539.X discloses a novel H type steel welding device, which can fix the flange plate through a U-shaped groove, place the web on the placing table, adjust the relative distance of the sliding plate to make the flange plate butt joint with the web, and adjust the height of the horizontal plate to weld different models of H type plates.

[0004] However, the above-mentioned H type steel welding device needs to manually turn over the web after welding one surface of the web and the flange plate, and then weld the other surface of the web and the flange plate, which leads to low efficiency in the H type steel welding process.

[0005] Therefore, it is necessary to develop a H type steel welding device for the above-mentioned defects. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a H type steel welding device, which can turn over the H type steel during welding, reduce manual operation and improve the welding efficiency of H type steel.

[0007] To solve the above technical problems, the utility model adopts the following technical scheme:

[0008] The utility model relates to a kind of H-shaped steel welding device, including workbench, the workbench two ends are separately provided with first mounting plate and second mounting plate, the side of first mounting plate and second mounting plate opposite is rotatably connected with web clamping assembly, first mounting plate is fixedly connected on the workbench top and another side surface is fixedly connected with first motor, the first motor is used to drive the web clamping assembly on the side surface of first mounting plate rotation;Gantry is equipped with on the workbench, the gantry is slidably connected with the workbench, driving assembly is arranged on the lateral wall of workbench, the driving assembly is connected with the bottom end of gantry, the welding torch is fixedly connected with both ends of gantry top plate bottom surface respectively;First lifting platform is fixedly connected in the middle position of workbench top, flange plate fixing assembly is slidably connected with both ends of first lifting platform top.

[0009] Further, the second mounting plate is slidably connected with the workbench, the side of the second mounting plate away from the web clamping assembly is fixedly connected with a first hydraulic cylinder, and the first hydraulic cylinder is fixedly connected to the top surface of the workbench.

[0010] Further, the side of the first mounting plate and the second mounting plate opposite is fixedly connected with a rotating seat, a rotating disc is rotatably connected to the rotating seat, a connecting column is fixedly connected to the center position of the outer side surface of the rotating disc, and the connecting column is fixedly connected with the web clamping assembly; the output end of the first motor is coaxially fixedly connected with the rotating disc.

[0011] Further, the web clamping assembly includes a U-shaped frame, a screw rod and a clamping plate, one end of the U-shaped frame is fixedly connected with the connecting column, the screw rod penetrates through the top plate of the U-shaped frame and is threadedly connected therewith, and the clamping plate is rotatably connected to the bottom end of the screw rod.

[0012] Further, the flange plate fixing assembly includes a sliding plate and a baffle, the sliding plate is slidably connected with the top surface of the first lifting platform, the baffle is vertically fixedly connected to the top surface of the sliding plate, a placing groove is formed in the sliding plate, the placing groove is parallel to the baffle and penetrates through the sliding plate at both ends.

[0013] Further, the second hydraulic cylinder is fixedly connected to both ends of the first lifting platform, and the telescopic end of the second hydraulic cylinder is fixedly connected with the lateral wall of the sliding plate.

[0014] Further, the top surface of the sliding plate is fixedly connected with a guide table parallel to the placing groove, the guide table is in the shape of a right triangular prism, and the inclined surface bottom line of the guide table coincides with the top end edge line of the placing groove.

[0015] Further, the first lifting platform top surface middle position is fixedly connected with a second lifting platform, the center axis of the second lifting platform, the web clamping assembly and the workbench is in the same vertical plane.

[0016] Further, the driving assembly comprises a second motor, both ends of the workbench top surface are provided with a sliding groove, a screw rod is rotationally connected in the sliding groove, a sliding block is threadedly sleeved on the two screw rods, and the two sliding blocks are fixedly connected with the gantry bottom surface; the same end of the two screw rods penetrates the workbench and is fixedly connected with a synchronous pulley at the end, and the two synchronous pulleys are transmissionally connected through a synchronous belt; the second motor is fixedly connected on the workbench side wall, and the second motor output end is coaxially fixedly connected with one of the two synchronous pulleys.

[0017] Compared with the prior art, the beneficial technical effects of the utility model are:

[0018] The web clamping assembly on the first mounting plate and the second mounting plate can clamp the web of the H-shaped steel, the flange plate fixing assembly can fix the two flange plates respectively, the gantry, the welding gun and the driving assembly are matched, the driving assembly drives the gantry and the welding gun to move on the workbench so as to weld the web and the flange plate. The first motor can drive the flange plate fixing assembly to rotate, so as to drive the web and the flange plate to overturn by 180 degrees, which is convenient for welding the other surface of the web and the flange plate, reduces manual operation and improves the welding efficiency of the H-shaped steel. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model will be further described in connection with the drawings.

[0020] Fig. 1 It is the top view of the utility model H-shaped steel welding device;

[0021] Fig. 2 It is the front view of the utility model H-shaped steel welding device;

[0022] Fig. 3 It is the side view of the utility model H-shaped steel welding device;

[0023] Fig. 4 It is the three-dimensional structure schematic diagram of the flange plate fixing assembly of the utility model.

[0024] Explanation of reference signs: 1, workbench; 2, first mounting plate; 3, second mounting plate; 4, web clamping assembly; 401, U-shaped frame; 402, screw rod; 403, clamping plate; 5, first motor; 6, gantry; 7, welding gun; 8, first lifting platform; 9, flange plate fixing assembly; 901, sliding plate; 902, baffle; 903, placing groove; 904, second hydraulic cylinder; 905, guide table; 10, first hydraulic cylinder; 11, rotating seat; 12, rotating disc; 13, connecting column; 14, second motor; 15, sliding groove; 16, screw rod; 17, synchronous pulley; 18, synchronous belt; 19, second lifting platform; 20, sliding block. DETAILED DESCRIPTION

[0025] The core of the utility model provides H type steel welding device, can turn over to H type steel in the welding process, reduces manual operation, improves the welding efficiency of H type steel.

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0027] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the utility model.

[0028] In a specific embodiment, as shown in Figs. 1-4 The utility model discloses a workbench 1, workbench 1 both ends are provided with first mounting plate 2 and second mounting plate 3 respectively, and the side of first mounting plate 2 and second mounting plate 3 opposite each other are rotatably connected with web clamping assembly 4, first mounting plate 2 is fixedly connected on the top surface of workbench 1 and the other side is fixedly connected with first motor 5, and first motor 5 is used to drive web clamping assembly 4 on the side of first mounting plate 2 to rotate, a gantry 6 is arranged on workbench 1, and the gantry 6 is slidably connected with workbench 1, a driving assembly is arranged on the side wall of workbench 1, the driving assembly is connected with the bottom end of gantry 6, and welding gun 7 is fixedly connected at the both ends of the bottom surface of the top plate of gantry 6, first lifting platform 8 is fixedly connected at the middle position of the top surface of workbench 1, and flange plate fixing assembly 9 is slidably connected at the both ends of the top surface of first lifting platform 8.

[0029] In an embodiment, the second mounting plate 3 is slidingly connected to the workbench 1, and the first hydraulic cylinder 10 is fixedly connected to the second mounting plate 3 away from the side of the web clamping assembly 4, and the first hydraulic cylinder 10 is fixedly connected to the top surface of the workbench 1.

[0030] The first hydraulic cylinder 10 can drive the second mounting plate 3 to slide on the workbench 1, thereby adjusting the distance between the two web clamping assemblies 4, so as to be applicable to the clamping and fixing of web plates of H-shaped steel with different lengths, and improve the applicability of the device.

[0031] In an embodiment, the opposite sides of the first mounting plate 2 and the second mounting plate 3 are fixedly connected with rotating seats 11, the rotating seats 11 are rotatably connected with rotating discs 12, the rotating discs 12 are fixedly connected with connecting columns 13 at the center positions of the outer sides of the rotating discs 12, the connecting columns 13 are fixedly connected with the web clamping assemblies 4, and the output end of the first motor 5 is coaxially fixedly connected with the rotating disc 12.

[0032] Specifically, the web clamping assembly 4 comprises a U-shaped frame 401, a screw rod 402, and a clamping plate 403, the U-shaped frame 401 is fixedly connected with the connecting column 13 at one end of the side wall, the screw rod 402 penetrates through the top plate of the U-shaped frame 401 and is threadedly connected therewith, and the clamping plate 403 is rotatably connected with the bottom end of the screw rod 402.

[0033] By inserting the two ends of the web plate of the H-shaped steel into the U-shaped frame 401, manually or electrically driving the screw rod 402 to rotate, and driving the clamping plate 403 to move downward in the U-shaped frame 401, the web plate of the H-shaped steel can be compressed from the top surface and fixed between the inner bottom surface of the U-shaped frame 401 and the clamping plate 403.

[0034] In an embodiment, the flange plate fixing assembly 9 comprises a sliding plate 901 and a baffle plate 902, the sliding plate 901 is slidingly connected with the top surface of the first lifting platform 8, the baffle plate 902 is vertically fixedly connected with the top surface of the sliding plate 901, the sliding plate 901 is provided with a placing groove 903, the placing groove 903 is parallel to the baffle plate 902 and penetrates through the sliding plate 901 at both ends, and the side walls of the placing groove 903 and the baffle plate 902 that are close to each other are in the same vertical plane.

[0035] Through the setting of the placing groove 903, the bottom end of the flange plate of the H-shaped steel can be inserted into the placing groove 903, and through the setting of the baffle plate 902, the flange plate in the placing groove 903 can be protected to prevent the flange plate from tilting outward.

[0036] Specifically, the first lifting platform 8 is fixedly connected with second hydraulic cylinders 904 at both ends, and the telescopic ends of the second hydraulic cylinders 904 are fixedly connected with the side walls of the sliding plate 901.

[0037] The second hydraulic cylinders 904 can drive the sliding plate 901 to slide on the first lifting platform 8 and approach the web plate, so as to splice the flange plate with the web plate.

[0038] Specifically, the top surface of the sliding plate 901 is fixedly connected with a guide table 905 parallel to the placement groove 903. The guide table 905 is in the shape of a right triangular prism. The bottom line of the inclined surface of the guide table 905 coincides with the top end line of the placement groove 903.

[0039] Through the arrangement of the guide table 905, the opening of the top end of the placement groove 903 can be enlarged, so as to facilitate the placement of the flange plate into the placement groove 903.

[0040] In an embodiment, the second lifting platform 19 is fixedly connected to the middle position of the top surface of the first lifting platform 8. The central axis of the second lifting platform 19 and the central axis of the web clamping assembly 4 are in the same vertical plane as the central axis of the workbench 1.

[0041] Through the automatic lifting function of the first lifting platform 8, the web clamped between the two web clamping assemblies 4 can be supported.

[0042] In an embodiment, the driving assembly includes a second motor 14. The workbench 1 is provided with a sliding groove 15 at each end of the top surface. A lead screw 16 is rotatably connected in the sliding groove 15. A sliding block 20 is threadedly connected to each lead screw 16. The two sliding blocks 20 are fixedly connected to the bottom surface of the gantry 6 at both ends, respectively. The same end of the two lead screws 16 penetrates the workbench 1 and is fixedly connected with a synchronous pulley 17 at the end. The two synchronous pulleys 17 are drivingly connected by a synchronous belt 18. The second motor 14 is fixedly connected to the side wall of the workbench 1. The output end of the second motor 14 is coaxially fixedly connected with one of the two synchronous pulleys 17.

[0043] Through the rotation of the second motor 14, the synchronous pulley 17 and the lead screw 16 fixedly connected therewith can be driven to rotate. The other synchronous pulley 17 and the lead screw 16 are driven to rotate by the synchronous belt 18. Through the rotation of the two lead screws 16, the sliding blocks 20 threadedly connected therewith are driven to move linearly in the sliding grooves 15, respectively, so as to drive the gantry 6 and the welding gun 7 to move, thereby realizing the welding of the web plate and the flange plate.

[0044] The utility model discloses a working principle: the utility model discloses H type steel welding device uses, first, the web of H type steel is placed on the second elevating platform 19 flatly, then opens first hydraulic cylinder 10, and first hydraulic cylinder 10 elongation drives second mounting plate 3 to the direction of moving close to first mounting plate 2, until the web both ends are inserted into the U type frame 401 of first mounting plate 2 and second mounting plate 3 respectively, then rotates the screw rod 402 on two U type frames 401 respectively, drives the clamping plate 403 to move down in the U type frame 401, to the web from the top surface of H type steel is pressed tightly, and the web is fixed between the inner bottom surface of U type frame 401 and clamping plate 403, then the two flange plates of H type steel are inserted into the placing groove 903 on the slide plate 901 of the workbench 1 two sides vertically, and simultaneously opens second hydraulic cylinder 904, drives two slide plates 901 to slide on first elevating platform 8 and close to each other, until two flange plates are abutted on the both sides of web. Through the common effect of first elevating platform 8 and second elevating platform 19, the height of flange plate can be adjusted, so that the welding position of flange plate and web can be adjusted, and the applicability of the device is improved.

[0045] Then opens second motor 14, through the rotation of second motor 14, can drive the synchronous pulley 17 and the screw rod 16 fixedly connected with it rotation, through synchronous belt 18 drive another synchronous pulley 17 and screw rod 16 rotation. Through the rotation of two screw rods 16, drive the sliding block 20 in the sliding slot 15 linear motion respectively with the threaded sleeve connection, thereby drive portal frame 6 and two welding torches 7 move, realize the welding of the surface of one side of web and flange plate.

[0046] After the welding of the surface of one side of web and flange plate is completed, the height of first elevating platform 8 is controlled to descend, makes two flange plates separate from placing groove 903, then opens second hydraulic cylinder 904, drives two slide plates 901 to slide on first elevating platform 8 and far away from each other, provides space for the overturning of web and flange plate, then opens first motor 5, drives the rotation of disc 12 and U type frame 401 180 degrees, the side of H type steel web not welded faces upward, then starts second motor 14, and second motor 14 reverses, drives portal frame 6 and two welding torches 7 to move, and the welding of the surface of the other side of web and flange plate. Thus the welding work of H type steel is completed.

[0047] The embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments. The same or similar parts of each embodiment can be referred to each other. For the device disclosed by the embodiment, since it corresponds to the method disclosed by the embodiment, the description is relatively simple, and the related parts can be referred to the method part.

[0048] The above-described embodiments are merely preferred modes of the present application, and are not intended to limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those of ordinary skill in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application as defined by the claims.

Claims

1. A H-beam welding apparatus, characterized by: The utility model provides a welding machine, including workbench (1), workbench (1) both ends are provided with first mounting plate (2) and second mounting plate (3) respectively, the side of first mounting plate (2) and second mounting plate (3) opposite all rotate the connection web clamping subassembly (4), first mounting plate (2) fixed connection on workbench (1) top and another side fixed connection has first motor (5), first motor (5) is used for driving the web clamping subassembly (4) rotation on first mounting plate (2) side, workbench (1) is equipped with portal frame (6) across, portal frame (6) with workbench (1) sliding connection, workbench (1) side wall is provided with drive assembly, drive assembly with portal frame (6) bottom end is connected, portal frame (6) top plate bottom both ends are fixedly connected with welding torch (7), workbench (1) top middle position fixedly connected with first lifting platform (8), first lifting platform (8) top both ends are all slidingly connected with flange plate fixed subassembly (9).

2. The H-beam welding apparatus of claim 1, wherein: Second mounting plate (3) with workbench (1) sliding connection, the side of second mounting plate (3) away from web clamping subassembly (4) is fixedly connected with first hydraulic cylinder (10), first hydraulic cylinder (10) is fixedly connected on workbench (1) top.

3. The H-beam welding apparatus of claim 1, wherein: The side of first mounting plate (2) and second mounting plate (3) opposite all are fixedly connected with rotating seat (11), rotating seat (11) is rotatably connected with turntable (12), turntable (12) outer side center position is fixedly connected with connecting column (13), connecting column (13) is fixedly connected with web clamping subassembly (4), first motor (5) output is coaxially fixedly connected with turntable (12).

4. The H-beam welding apparatus of claim 3, wherein: Web clamping subassembly (4) includes U type frame (401), screw rod (402) and clamping plate (403), one end side wall of U type frame (401) is fixedly connected with connecting column (13), screw rod (402) penetrates top plate of U type frame (401) and is threadedly connected with it, clamping plate (403) is rotatably connected at the bottom of screw rod (402).

5. The H-steel welding apparatus of claim 1, wherein: Flange plate fixed subassembly (9) includes sliding plate (901) and baffle (902), sliding plate (901) is slidingly connected with first lifting platform (8) top, baffle (902) is fixedly connected vertically on sliding plate (901) top, sliding plate (901) is provided with placing groove (903), placing groove (903) is parallel to baffle (902) and both ends penetrate sliding plate (901) and are provided.

6. The H-steel welding apparatus of claim 5, wherein: Both ends of first lifting platform (8) are fixedly connected with second hydraulic cylinder (904), and the telescopic end of the second hydraulic cylinder (904) is fixedly connected with the side wall of the sliding plate (901).

7. The H-steel welding apparatus of claim 5, wherein: The top of the sliding plate (901) is fixedly connected with a guide table (905) parallel to the placing groove (903), the guide table (905) is in the shape of a right triangular prism, and the hypotenuse of the inclined surface of the guide table (905) coincides with the top edge of the placing groove (903).

8. The H-steel welding apparatus of claim 1, wherein: The first lifting platform (8) top surface middle position fixedly connected with the second lifting platform (19), the second lifting platform (19), the center axis of the web clamping assembly (4) and the center axis of the workbench (1) are in the same vertical plane.

9. The H-steel welding apparatus of claim 1, wherein: The driving assembly comprises a second motor (14), both ends of the top surface of the workbench (1) are provided with a sliding groove (15), a screw rod (16) is rotatably connected in the sliding groove (15), a sliding block (20) is threadedly connected on the screw rod (16), and the sliding blocks (20) are fixedly connected with the bottom surfaces of both ends of the gantry (6). The same end of the two screw rods (16) penetrates through the workbench (1) and is fixedly connected with a synchronous belt pulley (17) at the end, and the two synchronous belt pulleys (17) are drivingly connected through a synchronous belt (18). The second motor (14) is fixedly connected on the side wall of the workbench (1), and the output end of the second motor (14) is fixedly connected with one of the two synchronous belt pulleys (17).

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