Wall bushing welding tool

Abstract

The utility model discloses a wall bushing welding tool, which relates to the technical field of wall bushings and comprises supporting square steel, a support plate is mounted on the upper portion of the supporting square steel, a round pipe baffle is fixed on the left side of the upper portion of the support plate, an air cylinder is mounted on the right side of the support plate, and the telescopic end of the air cylinder is arranged upwards and provided with a motor seat and a connecting plate. A stepping motor is installed on the motor base, one end of the connecting plate is installed on the motor frame, and a sliding sleeve is installed at the other end of the connecting plate and slidably installed on the sliding rod. The galvanized round pipe is placed on the round pipe support with the V-shaped groove and the arc-shaped needle bearing, the air cylinder is matched with the stepping motor, the rubber belt is attached to the surface of the galvanized round pipe when the rubber belt rotates and descends, and friction force generated by extrusion controls the galvanized round pipe to rotate. The welding gun is used for conducting all-dimensional welding on the connecting position of the galvanized round pipe and the wing ring disc, the arc welding problem of the wall bushings of multiple models can be solved, the fixing problem of the galvanized pipe matched with a welding manipulator is solved, and the welding efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wall bushing welding tool. BACKGROUND

[0002] In the existing air defense field and air defense projects, wall bushing is needed for wall penetrating ducts and pipelines, and wing ring discs are welded in the middle part of the wall bushing to ensure its strength. Galvanized bushings have different diameters and types according to different pipelines, and a large number of wall bushings are needed due to the large number and complexity of on-site pipelines.

[0003] At present, welding robots are used for automatic welding, but for welding of different diameters, programming adjustment needs to be made for the radius of the arc, the welding line speed, the welding position and the welding line energy. Higher technical requirements are required for on-site operators to program. The addition of a positioner also greatly increases the cost.

[0004] Therefore, the utility model provides a wall bushing welding tool. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the defects in the prior art and provides a wall bushing welding tool.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A wall bushing welding tool comprises a support square steel, a support plate is installed on the upper part of the support square steel, a circular pipe baffle is fixed on the left side of the upper part of the support plate, a gas cylinder is installed on the right side of the support plate, the telescopic end of the gas cylinder is upwardly arranged and is provided with a motor base and a connecting plate, a stepping motor is installed on the motor base, the connecting plate is installed at one end of the motor frame and at the other end of the motor frame, a sliding sleeve is installed, the sliding sleeve is slidingly installed with a sliding rod, the lower end of the sliding rod is fixedly installed with the support plate, and a belt assembly is jointly installed between the driving shaft of the stepping motor and the sliding sleeve.

[0008] Two circular pipe supports are symmetrically installed on the upper part of the support plate, and the two circular pipe supports are located between the circular pipe baffle and the sliding rod, a wing ring baffle is further provided between the two circular pipe supports and is fixedly installed with the support plate, V-shaped grooves are formed in the wing ring baffle and the circular pipe support, a galvanized circular pipe is placed in the V-shaped groove of the circular pipe support, the left end of the galvanized circular pipe abuts against the right side surface of the circular pipe baffle, a wing ring disc is sleeved on the outer side of the galvanized circular pipe, and the left side surface of the wing ring disc abuts against the right side surface of the wing ring baffle.

[0009] The belt assembly comprises a driving wheel, a driven wheel and a rubber belt, the driving wheel is installed on the driving shaft of the stepping motor, the driven wheel is rotationally installed on the sleeve of the connecting plate, and the rubber belt is sleeved on the driving wheel and the driven wheel; the lower surface of the rubber belt is in contact with the circumferential outer surface of the galvanized circular pipe.

[0010] Furthermore, the V-groove of the circular tube support is symmetrically provided with multiple arc-shaped grooves of different diameters from top to bottom, and multiple arc-shaped needle roller bearings are installed in each arc-shaped groove, with the outer circumferential surface of the galvanized circular tube in sliding contact with the arc-shaped needle roller bearings.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] In this invention, galvanized round pipes are placed on a round pipe support with V-grooves and arc-shaped needle roller bearings. A cylinder and a stepper motor work together to control the rotation of the galvanized round pipes by the friction generated when the rubber belt rotates and descends, pressing against and squeezing the surface of the galvanized round pipes. A welding torch is used to weld the connection between the galvanized round pipes and the wing ring disc from all directions. This invention solves the problem of arc welding for various types of through-wall sleeves, addresses the issue of fixing galvanized pipes to welding robots, and improves welding efficiency. Attached Figure Description

[0013] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 for Figure 1 Sectional view of AA;

[0016] Figure 3 for Figure 1 BB section view;

[0017] Figure 4 This is a schematic diagram of the circular tube support structure;

[0018] Figure 5 for Figure 4 Enlarged view of the structure of section C in the middle;

[0019] Figure 6 This is a schematic diagram of the wing ring baffle.

[0020] In the diagram: 1. Supporting square steel, 2. Support plate, 3. Round tube baffle, 4. Wing ring baffle, 5. Cylinder, 6. Stepper motor, 7. Slide rod, 8. Belt assembly, 81. Drive wheel, 82. Driven wheel, 83. Rubber belt, 9. Round tube bracket, 10. Arc-shaped needle roller bearing, 11. Galvanized round tube, 12. Connecting plate, 13. Wing ring disc. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model.

[0022] Referring to Figures 1-6 A wall bushing welding tool, including support square steel 1, the upper part of support square steel 1 is provided with support plate 2, the left side of the upper part of support plate 2 is fixed with round pipe baffle 3, the right side of support plate 2 is provided with cylinder 5, the telescopic end of cylinder 5 is upwardly arranged and provided with motor base and connecting plate 12, motor base is provided with step motor 6, one end of connecting plate 12 is connected with motor frame, the other end is provided with sliding sleeve, sliding sleeve is slidingly connected with slide rod 7, the lower end of slide rod 7 is fixedly connected with support plate 2, and step motor 6 is provided with belt assembly 8 between the driving shaft and sliding sleeve;

[0023] The upper part of support plate 2 is symmetrically provided with two round pipe supports 9, and the two round pipe supports 9 are located between round pipe baffle 3 and slide rod 7, and wing ring baffle 4 fixedly connected with support plate 2 is arranged between the two round pipe supports 9, V-shaped grooves are formed in the wing ring baffles 4 of the two round pipe supports 9, galvanized pipe 11 is placed in the V-shaped grooves of the round pipe supports 9, the left end of galvanized pipe 11 abuts against the right side surface of round pipe baffle 3, and wing ring disc 13 is sleeved on the outer side of galvanized pipe 11, and the left side surface of wing ring disc 13 abuts against the right side surface of wing ring baffle 4.

[0024] Belt assembly 8 includes driving wheel 81, driven wheel 82 and rubber belt 83, driving wheel 81 is arranged on the driving shaft of step motor 6, driven wheel 82 is rotatably arranged on the sleeve of connecting plate 12, and rubber belt 83 is sleeved on driving wheel 81 and driven wheel 82, and the lower surface of rubber belt 83 is in contact with the circumferential outer surface of galvanized pipe 11.

[0025] A plurality of arc-shaped grooves with different diameters are symmetrically formed in the V-shaped grooves of round pipe supports 9 from top to bottom, and a plurality of arc-shaped needle bearing 10 are arranged in each arc-shaped groove, and the circumferential outer surface of galvanized pipe 11 is in sliding contact with arc-shaped needle bearing 10.

[0026] The working principle of the utility model is as follows:

[0027] The wing ring disc 13 is sleeved on the galvanized pipe 11, and the two are arranged according to Figure 1The galvanized round pipe 11 is placed in the V-shaped groove of the round pipe support 9 in the manner shown in the figure, wherein the left end of the galvanized round pipe 11 abuts against the right side of the round pipe baffle 3, and the left side of the wing ring disc 13 abuts against the right side of the wing ring baffle 4, and the galvanized round pipe 11 is stably supported by the round pipe support 9; during welding, the stepping motor 6 is started, the driving wheel 81 is driven to rotate by the stepping motor 6, and the driven wheel 82 is driven to rotate by the transmission of the rubber belt 83, the stepping motor 6, the connecting plate 12, the sliding sleeve, the driving wheel 81, the driven wheel 82 and the rubber belt 83 are simultaneously controlled to move downward by the air cylinder 5, the rubber belt 83 gradually presses the outer circumferential surface of the galvanized round pipe 11, the galvanized round pipe 11 is driven to rotate by the friction force between the rubber belt 83 and the outer circumferential surface of the galvanized round pipe 11, the V-shaped groove of the round pipe support 9 supports the galvanized round pipe 11 during rotation, and the arc-shaped needle roller bearing 10 arranged in the V-shaped groove of the round pipe support 9 facilitates smooth rotation of the galvanized round pipe 11, and the gap between the galvanized round pipe 11 and the wing ring disc 13 is welded by using the welding gun of the welding equipment, and the wing ring disc 13 rotates with the galvanized round pipe 11 after the welding starts until the welding is completed.

[0028] The galvanized round pipe 11 is placed in the V-shaped groove of the round pipe support 9 in the manner shown in the figure, wherein the left end of the galvanized round pipe 11 abuts against the right side of the round pipe baffle 3, and the left side of the wing ring disc 13 abuts against the right side of the wing ring baffle 4, and the galvanized round pipe 11 is stably supported by the round pipe support 9; during welding, the stepping motor 6 is started, the driving wheel 81 is driven to rotate by the stepping motor 6, and the driven wheel 82 is driven to rotate by the transmission of the rubber belt 83, the stepping motor 6, the connecting plate 12, the sliding sleeve, the driving wheel 81, the driven wheel 82 and the rubber belt 83 are simultaneously controlled to move downward by the air cylinder 5, the rubber belt 83 gradually presses the outer circumferential surface of the galvanized round pipe 11, the galvanized round pipe 11 is driven to rotate by the friction force between the rubber belt 83 and the outer circumferential surface of the galvanized round pipe 11, the V-shaped groove of the round pipe support 9 supports the galvanized round pipe 11 during rotation, and the arc-shaped needle roller bearing 10 arranged in the V-shaped groove of the round pipe support 9 facilitates smooth rotation of the galvanized round pipe 11, and the gap between the galvanized round pipe 11 and the wing ring disc 13 is welded by using the welding gun of the welding equipment, and the wing ring disc 13 rotates with the galvanized round pipe 11 after the welding starts until the welding is completed.

Claims

1. A wall bushing welding fixture comprising a support square steel (1), characterized in that, The upper part of the support square tube (1) is provided with a support plate (2), the left side of the upper part of the support plate (2) is fixedly provided with a round pipe baffle (3), the right side of the support plate (2) is provided with a pneumatic cylinder (5), the telescopic end of the pneumatic cylinder (5) is upwardly arranged and provided with a motor base and a connecting plate (12), the motor base is provided with a stepping motor (6), one end of the connecting plate (12) is arranged on the motor base, the other end is provided with a sliding sleeve, the sliding sleeve is slidably arranged on a sliding rod (7), the lower end of the sliding rod (7) is fixedly arranged on the support plate (2), and a belt assembly (8) is arranged between the driving shaft of the stepping motor (6) and the sliding sleeve. The upper part of the support plate (2) is symmetrically provided with two round pipe supports (9), and the two round pipe supports (9) are located between the round pipe baffle (3) and the sliding rod (7), a wing ring baffle (4) is further arranged between the two round pipe supports (9) and fixedly arranged on the support plate (2), the wing ring baffle (4) is provided with a V-shaped groove, a galvanized round pipe (11) is arranged in the V-shaped groove of the round pipe support (9), the left end of the galvanized round pipe (11) abuts against the right side of the round pipe baffle (3), and the galvanized round pipe (11) is provided with a wing ring disc (13) on the outside. The belt assembly (8) comprises a driving wheel (81), a driven wheel (82) and a rubber belt (83), the driving wheel (81) is arranged on the driving shaft of the stepping motor (6), the driven wheel (82) is rotatably arranged on the sleeve of the connecting plate (12), and the rubber belt (83) is arranged on the driving wheel (81) and the driven wheel (82); the lower surface of the rubber belt (83) is in contact with the circumferential outer surface of the galvanized round pipe (11).

2. A bushing welding fixture according to claim 1, wherein A plurality of arc-shaped grooves with different diameters are symmetrically arranged in the V-shaped groove of the round pipe support (9) from top to bottom, and a plurality of arc-shaped needle roller bearings (10) are arranged in each arc-shaped groove, and the circumferential outer surface of the galvanized round pipe (11) is in sliding contact with the arc-shaped needle roller bearings (10).

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