CN213827437U

CN213827437U - Small-size submerged arc welding bonding head structure

Info

Publication number: CN213827437U
Application number: CN202022370236.8U
Authority: CN
Inventors: 王铬; 桑俊波; 王建芳
Original assignee: Zhengzhou Kaibo Welding And Cutting Equipment Co ltd
Current assignee: Zhengzhou Kaibo Welding And Cutting Equipment Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-07-30
Anticipated expiration: 2030-10-22

Abstract

The utility model relates to a small-size submerged arc welding machine head structure, including bearing the base, bear the weight of the arm, the deflector, the welding nozzle, the water conservancy diversion awl, the backward flow tuber pipe, the drainage tube, locating piece and connecting block, bearing the weight of the preceding terminal surface of base and bearing the weight of the arm rear end face and being connected, bearing the weight of the preceding terminal surface of arm and being connected with the deflector, the deflector side is connected, and the terminal surface is located below the bearing arm under the backward flow tuber pipe, locating piece and connecting block all are connected with bearing the weight of the arm front side, the connecting block is located the position between locating piece and the deflector, the welding nozzle inlays in the locating piece, the welding nozzle lower extreme face is located below the bearing arm, the water conservancy diversion awl cladding is outside the welding nozzle, with welding nozzle between through strengthening the muscle connection, the drainage tube inlays in the connecting block this novel one hand of effectual aircraft nose structure of simplifying, the aircraft nose volume has been reduced and the degree of integration of joint design has been improved; on the other hand can be according to welding jobs's needs, nimble this neotype welding jobs structure of adjustment to satisfy different processing operation faces and weldment work's needs of answering in a flexible way.

Description

Small-size submerged arc welding bonding head structure

Technical Field

The utility model relates to a welding head structure belongs to welding equipment technical field.

Background

When the welding head equipment used by the existing submerged arc welding equipment is used, although the welding head equipment can meet the requirements of welding operation, the structure of the welding head equipment is complex, the size of the joint is large, the self weight is large, the structure loudness is fixed, and the adjustment difficulty is large in different degrees of various current welding joints, so that the flexibility and convenience of the use and maintenance of the welding head equipment are greatly influenced; on the other hand, the welding operation cannot be carried out on narrow spaces, narrow operation surfaces and complex structural surfaces, so that the flexibility, convenience and universality of the welding operation are seriously influenced.

Therefore, in view of the current situation, there is an urgent need to develop a small submerged arc welding machine head structure to meet the practical needs.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects existing in the prior art, the utility model provides a small submerged arc welding machine head structure, compared with the traditional submerged arc welding machine head, on one hand, the machine head structure is effectively simplified, the machine head volume is reduced, and the integration degree of the joint structure is improved; on the other hand can be according to welding jobs's needs, nimble this neotype welding jobs structure of adjustment to satisfy different processing operation faces and weldment work's needs that should need in a flexible way, thereby very big improvement aircraft nose equipment use, the flexibility and the convenience of maintaining the operation.

In order to achieve the above purpose, the present invention is realized by the following technical solution:

a small submerged arc welding machine head structure comprises a bearing base, a bearing arm, a guide plate, a welding nozzle, a flow guide cone, a backflow air pipe, a drainage pipe, a positioning block and a connecting block, wherein the bearing base and the bearing arm are both of plate-shaped structures with rectangular cross sections, the front end face of the bearing base is vertically connected with the rear end face of the bearing arm, the front end face of the bearing arm is connected with the guide plate, the axis of the guide plate is vertically distributed with the axis of the bearing arm and is distributed in parallel with the front end face of the bearing base, the side face of the guide plate is connected with the backflow air pipe, the axis of the backflow air pipe is distributed in parallel with the side face of the guide plate and forms an included angle of 10-90 degrees with the axis of the bearing arm, the lower end face of the backflow air pipe is positioned below the bearing arm and has a distance of not less than 10 mm with the lower end face of the bearing arm, the positioning block and the connecting block are both of rectangular block structures and are connected with the front side face of the bearing arm, the connecting block is positioned between the positioning block and the guide plate, the welding nozzle is embedded in the positioning block, the axis of the welding nozzle is distributed in parallel with the front end face of the bearing base, the lower end face of the welding nozzle is positioned below the bearing arm and is 0-5 mm higher than the lower end face of the backflow air pipe, the flow guide cone is of an inverted truncated cone-shaped tubular structure, covers the outside of the welding nozzle and is coaxially distributed with the welding nozzle, the flow guide cone is connected with the welding nozzle through a reinforcing rib, the lower end face of the flow guide cone is parallel and level to the lower end face of the welding nozzle, the inner diameter of the lower end face of the flow guide cone is at least 1.5 times of the outer diameter of the lower end face of the welding nozzle, the inner diameter of the upper end face of the flow guide cone is at least 3 times of the inner diameter of the lower end face, the distance between the upper end face of the flow guide cone and the lower end face of the positioning block is not less than 10 mm, the drainage pipe is embedded in the connecting block, the lower end face of the flow guide cone is embedded in at least 1 mm and is communicated with the flow guide cone, the welding nozzle, the upper end face of the backflow air pipe and the drainage pipe is at least 5 mm higher than the upper end face of the bearing arm, and is provided with connecting pipe heads, and the welding nozzle, The axes of the backflow air pipe and the drainage pipe are distributed in the same plane which is parallel to the front end face of the bearing arm.

Furthermore, the bearing arm front end face is provided with at least one guide slide rail which is distributed in parallel with the axis of the bearing arm, the guide slide rail is provided with a plurality of insulating cushion blocks, the rear end faces of the insulating cushion blocks are embedded in the guide slide rail and are in sliding connection with the guide slide rail, the front sections of the insulating cushion blocks are respectively connected with the positioning block and the connecting block, the positioning block and the connecting block are both in sliding connection with the guide slide rail through at least two insulating cushion blocks, and the distance between the positioning block and the bearing arm front end face is 1-10 mm.

Furthermore, the rear end face of the guide plate is hinged with the front end face of the bearing arm through a ratchet mechanism, and at least one positioning clamp is arranged on the front end face of the guide plate and connected with the backflow air pipe through the positioning clamp.

Further, the backward flow tuber pipe include honeycomb duct, return air nozzle, wherein the honeycomb duct is cylinder tubular structure, and terminal surface is connected under its lower terminal surface and the return air nozzle, the terminal surface is arbitrary one in circular, rectangle, the structure under the return air nozzle, the guide way is established to the terminal surface under the return air nozzle, the guide way axis is perpendicular and crossing with return air nozzle axis, and the guide way width is 1.5 times of terminal surface external diameter under the water conservancy diversion awl, and the guide way degree of depth is not less than 5 millimeters.

Furthermore, the front side face and the rear side face of the connecting block are respectively connected with the positioning block and the guide plate through at least one adjusting bolt, and the axes of the adjusting bolts are parallel to the axis of the bearing arm.

Furthermore, the reinforcing rib comprises guide sleeves and rib plates, wherein the guide sleeves are of tubular structures which are coaxially distributed with the welding tips, are coated on the outer surfaces of the welding tips and are in sliding connection with the welding tips, at least three rib plates are uniformly distributed around the axis of the guide sleeves, two end faces of the rib plates are respectively connected with the outer surfaces of the guide sleeves and the inner side faces of the guide cones, the axis of each rib plate forms an included angle of 30-60 degrees with the axis of the guide sleeve, and each rib plate is of a plate-shaped structure with a cross section being any one of rectangular, fusiform and drop-shaped.

Furthermore, the bearing base and the bearing arms are mutually and vertically connected, a connecting structure with a cross section in any one of a shape like a Chinese character 'jip' and a shape like a Chinese character 'L' is adopted, a plurality of connecting sliding grooves are additionally arranged on the rear end face of the bearing arm, and the connecting sliding grooves are hinged with the rear end face of the bearing arm through a ratchet mechanism and form an included angle of 0-90 degrees with the axis of the bearing arm.

Compared with the traditional submerged arc welding machine head, the novel submerged arc welding machine head has the advantages that on one hand, the structure of the machine head is effectively simplified, the volume of the machine head is reduced, and the integration degree of a joint structure is improved; on the other hand can be according to welding jobs's needs, nimble this neotype welding jobs structure of adjustment to satisfy different processing operation faces and weldment work's needs that should need in a flexible way, thereby very big improvement aircraft nose equipment use, the flexibility and the convenience of maintaining the operation.

Drawings

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic diagram of the novel structure;

fig. 2 is a schematic structural diagram of a backflow air duct.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in figures 1 and 2, a small submerged arc welding head structure comprises a bearing base 1, a bearing arm 2, a guide plate 3, a welding nozzle 4, a guide cone 5, a backflow air pipe 6, a drainage pipe 7, a positioning block 8 and a connecting block 9, wherein the bearing base 1 and the bearing arm 2 are both of a plate-shaped structure with a rectangular cross section, the front end surface of the bearing base 1 is vertically connected with the rear end surface of the bearing arm 2, the front end surface of the bearing arm 2 is connected with the guide plate 3, the axis of the guide plate 3 is vertically distributed with the axis of the bearing arm 2 and is distributed in parallel with the front end surface of the bearing base 1, the side surface of the guide plate 3 is connected with the backflow air pipe 6, the axis of the backflow air pipe 6 is distributed in parallel with the side surface of the guide plate 3 and forms an included angle of 10-90 degrees with the axis of the bearing arm 2, the lower end surface of the backflow air pipe 6 is positioned below the bearing arm 2, the interval between the lower end surface of the bearing arm 2 is not less than 10 mm, the positioning block-shaped structure 8 and the connecting block 9 are both of a rectangular block-shaped structure, and is connected with the front side of the bearing arm 2, the connecting block 9 is positioned between the positioning block 8 and the guide plate 3, the welding nozzle 4 is embedded in the positioning block 8, the axis of the welding nozzle 4 is distributed in parallel with the front end surface of the bearing base 1, the lower end surface of the welding nozzle 4 is positioned below the bearing arm 2 and is 0-5 mm higher than the lower end surface of the return air pipe 6, the diversion cone 5 is an inverted truncated cone-shaped tubular structure, covers the welding nozzle 4 and is distributed coaxially with the welding nozzle 4, the diversion cone 5 is connected with the welding nozzle 4 through a strengthening rib 10, the lower end surface of the diversion cone 5 is distributed flush with the lower end surface of the welding nozzle 4, the inner diameter of the lower end surface of the diversion cone 5 is at least 1.5 times the outer diameter of the lower end surface of the welding nozzle 4, the inner diameter of the upper end surface of the diversion cone 5 is at least 3 times the inner diameter of the lower end surface, the distance between the upper end surface of the diversion cone 5 and the lower end surface of the positioning block 8 is not less than 10 mm, the drainage tube 7 is embedded in the connecting block 9, the upper end surface of the diversion cone 5 is embedded in at least 1 mm and is communicated with the diversion cone 5, the upper end surfaces of the welding nozzle 4, the backflow air pipe 6 and the drainage pipe 7 are all higher than the upper end surface of the bearing arm 2 by at least 5 millimeters, and are all provided with connecting pipe heads 11, and the axes of the welding nozzle 4, the backflow air pipe 6 and the drainage pipe 7 are all distributed in the same plane which is parallel to the front end surface of the bearing arm 2.

In this embodiment, the front end face of the bearing arm 2 is provided with at least one guide slide rail 12 which is distributed in parallel with the axis of the bearing arm 2, the guide slide rail 12 is provided with a plurality of insulating cushion blocks 13, the rear end faces of the insulating cushion blocks 13 are embedded in the guide slide rail 12 and are slidably connected with the guide slide rail 12, the front sections of the insulating cushion blocks are respectively connected with the positioning block 8 and the connecting block 9, the positioning block 8 and the connecting block 9 are both slidably connected with the guide slide rail 12 through at least two insulating cushion blocks 13, and the distance between the positioning block 8 and the connecting block 9 and the front end face of the bearing arm 2 is 1-.

Simultaneously, 3 rear end faces of deflector pass through ratchet 14 and bear preceding terminal surface of arm 2 and articulate, and 3 preceding terminal surfaces of deflector establish at least one location clamp 15 to be connected with backward flow tuber pipe 6 through location clamp 15.

It should be noted that, return air duct 6 include honeycomb duct 61, return air mouth 62, wherein honeycomb duct 61 is the cylinder tubular structure, and its lower terminal surface is connected with return air mouth 62 lower terminal surface, return air mouth 62 lower terminal surface is any one of circular, rectangle, structure, guide way 63 is established to return air mouth 62 lower terminal surface, guide way 63 axis and return air mouth 62 axis are perpendicular and intersect, and guide way 63 width is at least 1.5 times of the terminal surface external diameter under the water conservancy diversion awl 5, and the guide way 63 degree of depth is not less than 5 millimeters.

It should be noted that the front side and the rear side of the connecting block 9 are respectively connected to the positioning block 8 and the guide plate 3 through at least one adjusting bolt 16, and the axis of the adjusting bolt 16 is parallel to the axis of the bearing arm 2.

In addition, the reinforcing rib 10 comprises a guide sleeve 101 and rib plates 102, wherein the guide sleeve 101 is of a tubular structure which is coaxially distributed with the welding tip 4, covers the outer surface of the welding tip 4 and is in sliding connection with the welding tip 4, at least three rib plates 102 are uniformly distributed around the axis of the guide sleeve 101, two end faces of the rib plates are respectively connected with the outer surface of the guide sleeve 101 and the inner side face of the guide cone 5, the axis of the rib plate 102 and the axis of the guide sleeve 101 form an included angle of 30-60 degrees, and the rib plate is of a plate-shaped structure with a cross section in any one of a rectangular shape, a fusiform and a water drop shape.

Further optimize, bear base 1, bear the weight of the arm 2 between mutually perpendicular and connect to adopt the cross-section to be "the line" font and the arbitrary connection structure in "L" font, and bear the weight of 2 rear end faces of arm and establish a plurality of connecting chute 17 in addition, connecting chute 17 is articulated through ratchet 14 and the rear end face of bearing arm 2 to be 0-90 contained angle with the axis of bearing arm 2.

This is novel in concrete implementation, at first to constituting this neotype bearing base, bear the arm, the deflector, the welding nozzle, the water conservancy diversion awl, the backward flow tuber pipe, the drainage tube, locating piece and connecting block are assembled, then will assemble the back this neotype welding feed mechanism who bears base and welding equipment is connected, then with the welding wire through supplying with beating in drum embedding welding nozzle, with backward flow tuber pipe and outside negative-pressure air fan system intercommunication, with drainage tube and outside solder flux feed system intercommunication, can accomplish the novel assembly of cost, thereby reach and simplified equipment structure, improve the purpose of this novel degree of integrating.

When the assembly operation and the welding operation are completed, the normal submerged arc welding operation requirements are met, on one hand, the matching performance of welding wire welding operation and welding flux supply can be effectively improved, the protective performance of the welding flux on a welding operation surface is improved, on the other hand, the direction and the position of return air rising and welding wire welding can be flexibly adjusted according to the use requirements, so that the flexibility of welding operation adjustment is greatly improved, and the requirements of different welding operation works are met.

Those skilled in the art should understand that the present invention is not limited by the above embodiments. The foregoing embodiments and description have been made only for the purpose of illustrating the principles of the invention. The present invention can be further modified and improved without departing from the spirit and scope of the present invention. Such changes and modifications are intended to be within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a small-size submerged arc welding bonding tool structure which characterized in that: the structure of the small submerged arc welding machine head comprises a bearing base, a bearing arm, a guide plate, a welding nozzle, a flow guide cone, a backflow air pipe, a drainage pipe, a positioning block and a connecting block, wherein the bearing base and the bearing arm are both of plate-shaped structures with rectangular cross sections, the front end face of the bearing base is vertically connected with the rear end face of the bearing arm, the front end face of the bearing arm is connected with the guide plate, the axis of the guide plate is vertically distributed with the axis of the bearing arm and is distributed in parallel with the front end face of the bearing base, the side surface of the guide plate is connected with the backflow air pipe, the axis of the backflow air pipe is distributed in parallel with the side surface of the guide plate and forms an included angle of 10-90 degrees with the axis of the bearing arm, the lower end face of the backflow air pipe is positioned below the bearing arm and has a distance of not less than 10 mm with the lower end face of the bearing arm, and the positioning block and the connecting block are both of rectangular block-shaped structures and are connected with the front side face of the bearing arm, wherein the connecting block is positioned between the positioning block and the guide plate, the welding nozzle is embedded in the positioning block, the axis of the welding nozzle is distributed in parallel with the front end face of the bearing base, the lower end face of the welding nozzle is positioned below the bearing arm and is 0-5 mm higher than the lower end face of the backflow air pipe, the flow guide cone is of an inverted truncated cone-shaped tubular structure, covers the welding nozzle and is coaxially distributed with the welding nozzle, the flow guide cone is connected with the welding nozzle through a reinforcing rib, the lower end face of the flow guide cone is distributed in parallel with the lower end face of the welding nozzle, the inner diameter of the lower end face of the flow guide cone is at least 1.5 times of the outer diameter of the lower end face of the welding nozzle, the inner diameter of the upper end face of the flow guide cone is at least 3 times of the inner diameter of the lower end face, the interval between the upper end face of the flow guide cone and the lower end face of the positioning block is not less than 10 mm, the drainage pipe is embedded in the connecting block, the lower end face of the flow guide cone is embedded in at least 1 mm and is communicated with the flow guide cone, and the welding nozzle, and the backflow air pipe, The upper end surface of the drainage tube is at least 5 mm higher than the upper end surface of the bearing arm, the drainage tube is provided with a connecting tube head, and the axes of the welding nozzle, the backflow air tube and the drainage tube are distributed in the same plane which is parallel to the front end surface of the bearing arm.

2. A small submerged arc welding machine head structure according to claim 1, characterized in that: the bearing arm is characterized in that at least one guide sliding rail which is parallel to the axis of the bearing arm is arranged on the front end face of the bearing arm, a plurality of insulating cushion blocks are arranged on the guide sliding rail, the rear end faces of the insulating cushion blocks are embedded in the guide sliding rail and are in sliding connection with the guide sliding rail, the front sections of the insulating cushion blocks are respectively connected with the positioning block and the connecting block, the positioning block and the connecting block are both in sliding connection with the guide sliding rail through at least two insulating cushion blocks, and the distance between the positioning block and the bearing arm and the front end face of the bearing arm is 1-10 mm.

3. A small submerged arc welding machine head structure according to claim 1, characterized in that: the guide plate rear end face is hinged with the front end face of the bearing arm through a ratchet mechanism, and at least one positioning clamp is arranged on the front end face of the guide plate and connected with the backflow air pipe through the positioning clamp.

4. A small submerged arc welding machine head structure according to claim 1, characterized in that: the return air pipe include honeycomb duct, return air nozzle, wherein the honeycomb duct is cylinder tubular structure, terminal surface is connected under its lower terminal surface and the return air nozzle, the terminal surface is arbitrary one in circular, rectangle, the structure under the return air nozzle, the guide way is established to the terminal surface under the return air nozzle, the guide way axis is perpendicular and crossing with return air nozzle axis, and the guide way width is 1.5 times of terminal surface external diameter under the water conservancy diversion awl at least, the guide way degree of depth is not less than 5 millimeters.

5. A small submerged arc welding machine head structure according to claim 1, characterized in that: the front side face and the rear side face of the connecting block are respectively connected with the positioning block and the guide plate through at least one adjusting bolt, and the axis of the adjusting bolt is parallel to the axis of the bearing arm.

6. A small submerged arc welding machine head structure according to claim 1, characterized in that: the reinforcing rib comprises guide sleeves and rib plates, wherein the guide sleeves are of tubular structures which are coaxially distributed with the welding tips, are wrapped on the outer surfaces of the welding tips and are in sliding connection with the welding tips, at least three rib plates are uniformly distributed around the axis of the guide sleeves, two end faces of the rib plates are respectively connected with the outer surfaces of the guide sleeves and the inner side faces of the guide cones, the axis of each rib plate forms an included angle of 30-60 degrees with the axis of the guide sleeve, and each rib plate is of a plate-shaped structure with a cross section in any one of a rectangular shape, a fusiform and a drop shape.

7. A small submerged arc welding machine head structure according to claim 1, characterized in that: the bearing base and the bearing arms are mutually and vertically connected, a connecting structure with a cross section in any one of a line shape and an L shape is adopted, a plurality of connecting sliding grooves are additionally arranged on the rear end face of the bearing arm, and the connecting sliding grooves are hinged with the rear end face of the bearing arm through a ratchet mechanism and form an included angle of 0-90 degrees with the axis of the bearing arm.