Submerged-arc welding tool for end socket flange of tank container

Abstract

The utility model discloses a submerged-arc welding tool for a tank end socket flange. The submerged-arc welding tool is mainly composed of four parts, wherein a tool base supporting platform is formed by splicing and welding square pipes, rectangular pipes and the like in the first part; the second part is of a rotating arm structure composed of a round pipe, a rectangular pipe, a plate and the like; in the third part, an elevator, a screw rod, a rack and the like form an end socket rotating device structure; and the fourth part comprises a submerged arc welding gun, a sliding block, a guide rail, an elevator and the like. According to the end socket manhole flange welding device, manual shielded metal arc welding is replaced by submerged arc welding, the end socket manhole flange welding efficiency is effectively improved, weld joint reworking caused by weld joint defects is avoided, the welding quality is improved, and the labor cost is saved.

Description

Technical Field

[0001] The utility model relates to the field of tank containers, in particular to a submerged arc welding tool for a tank container head flange. Background Art

[0002] At present, the manhole flanges on the heads of the tank container industry are welded by manual metal arc welding (SMAW), which has a relatively low welding efficiency. In addition, if the welding slag is not cleaned properly, it is easy to cause slag inclusion defects in the weld, which can easily cause rework and affect the production progress of the product. Summary of the invention

[0003] The utility model aims to provide a submerged arc welding tool for a tank container head flange to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tank head flange submerged arc welding tool, comprising a base platform, columns are provided at both ends of the base platform, each column is provided with a lifting mechanism, a vertical cylinder is provided in the middle of the base platform, a rotating arm mechanism is provided at the top of the cylinder, and a welding machine mechanism is provided at the top of the rotating arm structure;

[0005] The lifting mechanism includes a lifter, which is welded on the column, the lifter is connected to a screw rod, the top end of the screw rod is connected to a first U-shaped plate through a shaft, the first U-shaped plate is fixed to a rotating box, and the rotating box is connected to a side plate on the column through a shaft;

[0006] The swivel mechanism includes two second U-shaped plates fixed on the cylinder, the two second U-shaped plates are arranged opposite to each other, each second U-shaped plate is provided with a hole, a shaft is provided on the top of the cylinder, a bending type beam is sleeved on the shaft, that is, the bending type beam rotates around the shaft, a cylinder is provided on the bending type beam, when the bending type beam is fixed, the cylinder head of the cylinder is inserted into the second U-shaped plate on one side, an angle iron is provided on the top of the bending type beam, and the welding machine mechanism is fixed on the angle iron.

[0007] A further improvement of the utility model is that a rotating mechanism is provided on the lifting mechanism, the rotating mechanism includes a reduction motor, the reduction motor is fixed on the lifting mechanism, the gear of the reduction motor is meshed with a gear plate, the gear plate is fixed on the lifting mechanism, and the gear plate is fixed to the inner side or the outer side of the head.

[0008] A further improvement of the utility model is that the welding machine mechanism comprises a welding gun, and the welding gun moves up and down through a moving mechanism.

[0009] Compared with the prior art, the beneficial effects of the utility model are: submerged arc welding (SAW) replaces manual arc welding (SMAW), effectively improving the welding efficiency of the head manhole flange, avoiding weld rework caused by weld defects, not only improving welding quality, but also saving labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the structure of the utility model;

[0011] Figure 2 It is a structural schematic diagram of the lifting mechanism and the rotating mechanism;

[0012] Figure 3 It is a structural schematic diagram of the rotating arm mechanism;

[0013] Figure 4 It is a structural schematic diagram of the welding machine mechanism;

[0014] Figure 5 This is a diagram of the use state of the utility model;

[0015] In the figure: 1-base platform, 2-column, 3-lifting mechanism, 4-cylinder, 5-rotating arm mechanism, 6-welding machine mechanism, 7-rotating mechanism, 8-head;

[0016] 3-1-lifting machine, 3-2-screw rod, 3-3-first U-shaped plate, 3-4 rotating box;

[0017] 5-1-second U-shaped plate, 5-2-bent crossbeam, 5-3-cylinder, 5-4-cylinder head, 5-5-angle iron;

[0018] 6-1- welding gun, 6-2- moving mechanism;

[0019] 7-1-reduction motor, 7-2-gear, 7-3-gear plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 to 5 A tank head flange submerged arc welding tool comprises a base platform 1, both ends of the base platform 1 are provided with columns 2, each column 2 is provided with a lifting mechanism 3, and the lifting mechanism 3 can also be replaced by a chain transmission device, a vertical cylinder 4 is provided in the middle of the base platform 1, a rotating arm mechanism 5 is provided on the top of the rotating arm structure, and a welding machine mechanism 6 is provided on the top of the rotating arm structure;

[0022] The lifting mechanism 3 includes an elevator 3-1, which is welded on the column 2. The elevator 3-1 is connected to the screw rod 3-2. The top of the screw rod 3-2 is connected to the first U-shaped plate 3-3 through an axis. The first U-shaped plate 3-3 is fixed on the rotating box 3-4. The rotating box 3-4 is connected to the side plate 2-1 on the column 2 through an axis; the lifting principle of the lifting mechanism 3: the elevator 3-1 rotates, and drives the elevator head to rotate through the gear transmission. The elevator head and the screw rod 3-2 are connected through threaded matching. When the elevator 3-1 rotates clockwise, it can drive the screw rod 3-2 to move upward, thereby driving the rotating mechanism 7 to move upward; when the elevator 3-1 rotates counterclockwise, it can drive the screw rod 3-2 to move downward, thereby driving the rotating mechanism 7 to move downward; the reasonable position of the head flange can be adjusted by the upward or downward movement of the lifting mechanism 3, so as to facilitate welding at different angles.

[0023] The swivel mechanism 5 includes two second U-shaped plates 5-1 fixed on the cylinder 4, the two second U-shaped plates 5-1 are arranged opposite to each other, each second U-shaped plate 5-1 is provided with a hole, the top of the cylinder 4 is provided with an axis, a bending type beam 5-2 is sleeved on the axis, that is, the bending type beam 5-2 rotates around the axis, a cylinder 5-3 is provided on the bending type beam 5-2, when the bending type beam 5-2 is fixed, the cylinder head 5-4 of the cylinder 5-3 is inserted into the second U-shaped plate 5-1 on one side, an angle iron 5-5 is provided on the top of the bending type beam 5-2, the welding machine mechanism 6 is fixed on the angle iron 5-5, and a rectangular tube is provided on the bending type beam 5-2 to facilitate the passage of the air pipeline of the cylinder.

[0024] The lifting mechanism 3 is provided with a rotating mechanism 7, which includes a reduction motor 7-1. The reduction motor 7-1 is fixed on the lifting mechanism 3. The gear 7-2 of the reduction motor 7-1 is meshed with the gear plate 7-3. The gear plate 7-3 is fixed on the lifting mechanism 3. The gear plate 7-3 is fixed to the inner side or the outer side of the head 8.

[0025] The welding machine mechanism 6 includes a welding gun 6-1, and the welding gun 6-1 moves up and down through a moving mechanism 6-2. The moving mechanism includes a lifter and a screw rod, and the lifter and the screw rod are driven by gears.

[0026] This welding tool is mainly used in the field of tank containers where manhole flanges need to be welded to the heads, which improves the welding efficiency of the manhole flanges of the heads. The tool is composed of a rotating device, a submerged arc welding machine, a rotating arm, etc. The rotating device assembly on the tool is fastened to the manhole flange of the head by bolts, and then the reasonable position of the head is adjusted by the elevator on the rotating device. Then submerged arc welding (SAW) is used instead of manual metal arc welding (SMAW), which effectively improves the welding efficiency of the manhole flange of the head and avoids weld rework caused by weld defects. It not only improves the welding quality but also saves labor costs.

[0027] The welding tooling is mainly composed of four parts: the first part is composed of square tubes, rectangular tubes and other welding to form the tooling base support platform; the second part is composed of round tubes, rectangular tubes, plates and other components to form the rotating arm structure; the third part is composed of the lift, screw rod, frame and other components to form the head rotating device structure; the fourth part is composed of the submerged arc welding gun, slide, guide rail, lift and other components to form the submerged arc welding head device.

[0028] First, fasten the rotating device assembly on the tooling to the head manhole flange with bolts (the bolt fixing method is different when welding the inner and outer ring seams of the head manhole flange), then adjust the reasonable position of the head through the elevator on the rotating device, and then control the head to rotate at a uniform speed through the reducer on the rotating device, and then control the submerged arc welding gun to a suitable height position through the lifting mechanism on the submerged arc welding device, and then weld the head manhole flange corner weld (full penetration structure) according to the welding process parameter requirements, thereby improving the welding efficiency of the head manhole flange and improving the welding quality.

Claims

1. A tank container head flange submerged arc welding tool, comprising a base platform (1), Features: Both ends of the base platform (1) are provided with columns (2), each column (2) is provided with a lifting mechanism (3), a vertical cylinder (4) is provided in the middle of the base platform (1), a rotating arm mechanism (5) is provided on the top of the rotating arm structure, and a welding machine mechanism (6) is provided on the top of the rotating arm structure; The lifting mechanism (3) comprises a lifter (3-1), the lifter (3-1) is welded to the column (2), the lifter (3-1) is connected to a screw rod (3-2), the top end of the screw rod (3-2) is connected to a first U-shaped plate (3-3) via a shaft, the first U-shaped plate (3-3) is fixed to a rotating box (3-4), and the rotating box (3-4) is connected to a side plate (2-1) on the column (2) via a shaft; The arm mechanism (5) comprises two second U-shaped plates (5-1) fixed on the cylinder (4), the two second U-shaped plates (5-1) are arranged opposite to each other, each second U-shaped plate (5-1) is provided with a hole, a shaft is provided at the top of the cylinder (4), a bending type cross beam (5-2) is sleeved on the shaft, that is, the bending type cross beam (5-2) rotates around the shaft, a cylinder (5-3) is provided on the bending type cross beam (5-2), when the bending type cross beam (5-2) is fixed, the cylinder head (5-4) of the cylinder (5-3) is inserted into the second U-shaped plate (5-1) on one side, an angle iron (5-5) is provided at the top of the bending type cross beam (5-2), and the submerged arc welding machine mechanism (6) is fixed on the angle iron (5-5).

2. A tank container head flange submerged arc welding tool according to claim 1, Features: The lifting mechanism (3) is provided with a rotating mechanism (7), the rotating mechanism (7) comprising a reduction motor (7-1), the reduction motor (7-1) being fixed on the lifting mechanism (3), the gear (7-2) of the reduction motor (7-1) being meshed with a gear plate (7-3), the gear plate (7-3) being fixed on the lifting mechanism (3), and the gear plate (7-3) being fixed to the inner side or the outer side of the sealing head (8).

3. The submerged arc welding tool for tank container head flange according to claim 1, Features: The welding machine mechanism (6) comprises a welding gun (6-1), and the welding gun (6-1) moves up and down via a moving mechanism (6-2).

4. The submerged arc welding tool for tank container head flange according to claim 1, Features: The lifting mechanism (3) is a chain transmission device.

5. The submerged arc welding tool for tank container head flange according to claim 1, Features: A rectangular tube is provided on the bent crossbeam (5-2).

Images