Welding device for tank cover and oil nozzle of portable tank

Abstract

The utility model discloses a welding device for a tank cover and an oil nozzle of a portable tank in the field of steel portable tanks, which comprises a workbench, at least one positioning disc seat is arranged on the workbench, a central hole is arranged in the middle of the positioning disc seat, a through hole is coaxially arranged on the workbench corresponding to the positioning disc seat, and the oil nozzle of the tank cover is supported on the positioning disc seat. A plurality of sets of positioning pressing blocks capable of moving in the radial direction are arranged in a center hole of the positioning disc base, a plurality of sets of driving mechanisms corresponding to the positioning pressing blocks are arranged below the workbench, and a plurality of guiding mechanisms corresponding to the positioning pressing blocks are further arranged on the lower side of the workbench. The tank cover and the oil nozzle can be positioned, and the tank cover and the oil nozzle can be conveniently fixed through laser welding.

Description

Technical Field

[0001] The utility model belongs to the field of steel portable cans, in particular to a welding device for a portable can cover and a fuel nozzle. Background Art

[0002] Steel totes are strong and durable, typically made of stainless steel, offering high durability and corrosion resistance. They are also portable, featuring handles for easy portability. Specific uses for steel totes include the storage and transportation of gasoline, diesel, kerosene, and lubricating oils.

[0003] A steel tote consists of a can body with a lid on top. The lid features a nozzle for pouring liquid from the can. After the lid and the nozzle are welded together, the nozzle, which passes through the lid, must be welded to the lid. This approach presents a drawback: the nozzle is located behind the lid, making it difficult to position during welding. Currently, there is a lack of welding positioning tooling. Utility Model Content

[0004] The utility model aims to provide a device for welding a tank cover and a fuel nozzle of a portable tank, which can position the tank cover and the fuel nozzle and facilitates laser welding and fixing of the tank cover and the fuel nozzle.

[0005] The purpose of the present utility model is achieved as follows: a device for welding a tank cover and an oil nozzle of a portable can, comprising a workbench, wherein at least one positioning disc seat is provided on the workbench, a center hole is provided in the middle of the positioning disc seat, a through hole is coaxially provided on the workbench corresponding to the positioning disc seat, the oil nozzle of the tank cover is supported on the positioning disc seat, a plurality of groups of radially movable positioning pressure blocks are provided in the center hole of the positioning disc seat, a plurality of groups of driving mechanisms are provided below the workbench corresponding to each positioning pressure block, and a plurality of guide mechanisms are also provided on the lower side of the workbench corresponding to each positioning pressure block.

[0006] As a further improvement of the present invention, a support plate is vertically provided on both the left and right sides of the workbench.

[0007] As a further improvement of the present invention, the positioning disc seat is circular, and an upwardly protruding annular boss is coaxially provided on the upper side of the positioning disc seat. The oil nozzle of the tank cover is supported on the boss, and the positioning disc seat is fixedly connected to the workbench by a number of fasteners evenly distributed along the circumference.

[0008] As a further improvement of the present invention, the oil nozzle is sleeve-shaped, the outer periphery of the tank cover is provided with an upwardly protruding flange, the upper end of the oil nozzle is arranged through the tank cover, the oil nozzle support is placed on the boss, and the tank cover is in a horizontal state.

[0009] As a further improvement to the present invention, the upper end of the positioning block extends out of the positioning disc seat, while the lower end of the positioning block passes through the through hole and extends downward. A protruding pressing portion is provided on the upper end of the positioning block. The outer periphery and inner wall of the positioning block and the pressing portion are all arc-shaped. Four positioning blocks are provided. The four positioning blocks and the four pressing portions also form a circle. Before compression, a gap is left between the positioning block and the inner wall of the nozzle. During compression, the positioning block cooperates to compress the nozzle.

[0010] As a further improvement to the present invention, the drive mechanism comprises four groups, evenly spaced circumferentially. Each drive mechanism includes a bracket mounted with a cylinder, the piston rod extending from each cylinder being connected to a corresponding positioning block. The cylinder drives the positioning blocks to move radially, each of which clamps the nozzle securely, while the inner wall of the positioning plate seat limits the positioning of the positioning blocks.

[0011] As a further improvement of the present invention, the guide mechanism is provided in four groups, evenly distributed along the circumference. The guide mechanism includes radially arranged guide cylinders fixed to the workbench via a connecting frame. The corresponding positioning blocks are provided with radial guide rods, which fit into the corresponding guide cylinders. The guide cylinders provide guidance for the movement of the positioning blocks.

[0012] This utility model is used to weld and secure the nozzle to the upper side of the tank cover. Prior to welding, the nozzle and the underside of the tank cover are already welded and secured. During the welding operation, the nozzle support is first placed on a boss. A pneumatic cylinder then drives the positioning blocks to move radially, tightening and securing the nozzle. A movable laser welding head then performs a circumferential weld on the nozzle's outer circumference and the upper side of the tank cover. Compared to existing technologies, this utility model offers the advantages of being able to position the tank cover and nozzle, facilitating laser welding and securing them, and improving welding efficiency and accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the present utility model.

[0014] Figure 2 for Figure 1 A partial enlarged view of .

[0015] Figure 3 A top view of the workbench.

[0016] Figure 4 It is a top view of the positioning disc seat.

[0017] Figure 5 A top view of the tank lid.

[0018] Among them, 1 workbench, 1a support plate, 2 positioning disc seat, 2a boss, 3 through hole, 4 tank cover, 4a oil nozzle, 4b flange, 5 positioning pressure block, 5a clamping part, 6 fastener, 7 bracket, 8 cylinder, 9 guide cylinder, 10 connecting frame, 11 guide rod, 12 laser welding head. DETAILED DESCRIPTION

[0019] like Figure 1-5 As shown, a device for welding a can lid and a nozzle of a portable can is provided, comprising a workbench 1, with a support plate 1a vertically provided on both sides of the left and right sides of the workbench 1; at least one positioning disc seat 2 is provided on the workbench 1, and a center hole is provided in the middle of the positioning disc seat 2; a through hole 3 is coaxially provided on the workbench 1 corresponding to the positioning disc seat 2; the nozzle 4a of the can lid 4 is supported on the positioning disc seat 2, and a plurality of groups of radially movable positioning blocks 5 are provided in the center hole of the positioning disc seat 2; a plurality of groups of driving mechanisms are provided below the workbench 1 corresponding to each positioning block 5, and a plurality of guide mechanisms are also provided on the lower side of the workbench 1 corresponding to each positioning block 5.

[0020] The positioning plate base 2 is circular, with an upwardly projecting annular boss 2a coaxially positioned on its upper side. The oil nozzle 4a of the tank cover 4 is supported on this boss 2a. The positioning plate base 2 is securely connected to the workbench 1 via a number of circumferentially spaced fasteners 6. The oil nozzle 4a is sleeve-shaped, with an upwardly projecting flange 4b ​​positioned on the outer periphery of the tank cover 4. The upper end of the oil nozzle 4a extends through the tank cover 4. The oil nozzle 4a is supported on the boss 2a, with the tank cover 4 held horizontally.

[0021] The upper end of the positioning block 5 extends out of the positioning disc seat 2, while the lower end of the positioning block 5 passes through the through hole 3 and extends downward. A protruding pressing portion 5a is provided on the upper end of the positioning block 5. The outer periphery and inner wall of the positioning block 5 and the pressing portion 5a are both arc-shaped. Four positioning blocks 5 are provided. The four positioning blocks 5 form a circle, and the four pressing portions 5a also form a circle. Before compression, a gap is left between the positioning block 5 and the inner wall of the nozzle 4a. During compression, the positioning block 5 cooperates to compress the nozzle 4a.

[0022] The drive mechanism comprises four groups, evenly spaced along the circumference. These groups include a bracket 7, mounted with a cylinder 8. The extended end of the piston rod of each cylinder 8 is connected to a corresponding positioning block 5. The cylinder 8 drives the positioning blocks 5 to move radially, each clamping and securing the oil nozzle 4a. The inner wall of the positioning plate seat 2 limits the positioning blocks 5. The guide mechanism comprises four groups, evenly spaced along the circumference. These guide mechanisms include radially arranged guide cylinders 9, secured to the workbench 1 via a coupling frame 10. Corresponding positioning blocks 5 are provided with radial guide rods 11, which fit within their corresponding guide cylinders 9. The guide cylinders 9 provide guidance for the movement of the positioning blocks 5.

[0023] The present invention is used to weld and secure the nozzle 4a to the upper side of the tank cover 4. Prior to welding, the nozzle 4a is already welded to the lower side of the tank cover 4. During the welding operation, the nozzle 4a is first supported and placed on the boss 2a. The cylinder 8 then drives the positioning blocks 5 to move radially to secure the nozzle 4a. The movable laser welding head 12 then performs a circumferential weld on the outer periphery of the nozzle 4a and the upper side of the tank cover 4. The present invention has the advantages of being able to position the tank cover 4 and the nozzle 4a, facilitating laser welding and securing the tank cover 4 and the nozzle 4a, and improving welding efficiency and accuracy.

[0024] The present invention is not limited to the above-mentioned embodiments. On the basis of the technical solutions disclosed in the present invention, technicians in this field can make some substitutions and deformations of some technical features therein according to the disclosed technical content without creative labor, and these substitutions and deformations are all within the protection scope of the present invention.

Claims

1. A device for welding a tank cover and a nozzle of a portable tank, comprising a workbench, characterized in that: At least one positioning disc seat is provided on the workbench, a center hole is provided in the middle of the positioning disc seat, a through hole is coaxially provided on the workbench corresponding to the positioning disc seat, the oil nozzle of the tank cover is supported on the positioning disc seat, and a plurality of groups of radially movable positioning pressure blocks are provided in the center hole of the positioning disc seat, a plurality of groups of driving mechanisms are provided below the workbench corresponding to each positioning pressure block, and a plurality of guide mechanisms are also provided on the lower side of the workbench corresponding to each positioning pressure block.

2. A device for welding a tank cover and a nozzle of a portable can according to claim 1, characterized in that: A supporting plate is vertically provided on both the left and right sides of the workbench.

3. A device for welding a tank cover and a nozzle of a portable can according to claim 1 or 2, characterized in that: The positioning disc seat is circular, and an upwardly protruding annular boss is coaxially provided on the upper side of the positioning disc seat. The oil nozzle of the tank cover is supported on the boss. The positioning disc seat is fixedly connected to the workbench by a number of fasteners uniformly distributed along the circumference.

4. A device for welding a tank cover and a nozzle of a portable can according to claim 1 or 2, characterized in that: The oil nozzle is in a sleeve shape, the outer periphery of the tank cover is provided with an upwardly protruding flange, and the upper end of the oil nozzle is arranged through the tank cover.

5. A device for welding a tank cover and a nozzle of a portable can according to claim 1 or 2, characterized in that: The upper end of the positioning pressure block extends out of the positioning disc seat, the lower end of the positioning pressure block passes through the through hole and extends downward, the upper end of the positioning pressure block is provided with a convex clamping part, the outer periphery and inner wall of the positioning pressure block and the clamping part are all arc-shaped, and four positioning pressure blocks are provided.

6. A device for welding a tank cover and a nozzle of a portable can according to claim 1 or 2, characterized in that: The driving mechanism is provided with four groups, and the four groups of driving mechanisms are evenly distributed along the circumferential direction. The driving mechanism includes a bracket, a cylinder is installed on the bracket, and the extended end of the piston rod of the cylinder is connected to the corresponding positioning pressure block.

7. A device for welding a tank cover and a nozzle of a portable can according to claim 1 or 2, characterized in that: The guide mechanism is provided with four groups, and the four groups of guide mechanisms are evenly distributed along the circumferential direction. The guide mechanism includes a radially arranged guide cylinder, which is fixed to the workbench through a connecting frame. A radial guide rod is provided on the corresponding positioning pressure block, and the guide rod is inserted into the corresponding guide cylinder.

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