CN217529567U

CN217529567U - High-utilization-rate contact nozzle for submerged arc welding

Info

Publication number: CN217529567U
Application number: CN202221009168.5U
Authority: CN
Inventors: 胜又直路; 田中秀幸; 牧野胜; 钱晓锋
Original assignee: Suzhou Dongjin Machinery Metal Co ltd
Current assignee: Suzhou Dongjin Machinery Metal Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-10-04
Anticipated expiration: 2032-04-28

Abstract

The utility model discloses a high usage rate's submerged arc welding is with contact tip, including contact tip body and electrically conductive piece, the tail end outside of contact tip body is provided with connecting portion, the through hole that is used for carrying the welding wire is offered to the inboard of contact tip body, the contact tip body is provided with the cell cube of a plurality of fixed welding wires in the inside of through hole, electrically conductive piece sets up in the tail end outside of contact tip body, just electrically conductive piece with the contact tip body passes through the mounting and connects. The utility model discloses when the contact tip body is heated and takes place deformation, through the contact on cell cube and welding wire surface, ensured that the contact tip body keeps good contact with the welding wire to holistic rate of utilization has been improved effectively.

Description

High-utilization-rate contact tube for submerged arc welding

Technical Field

The utility model relates to a relevant technical field of welder accessory specifically is a submerged arc welding of high usage is with leading electric nozzle.

Background

Submerged arc welding (including submerged arc welding, electroslag welding, and the like) is a method in which an electric arc is burned under a flux layer to perform welding. The welding method has the advantages of stable inherent welding quality, high welding productivity, no arc light, little smoke and the like, and becomes a main welding method in the manufacture of important steel structures such as pressure vessels, pipe sections, box-type beam columns and the like. In recent years, although many new welding methods with high efficiency and high quality have been developed, contact tips are used for welding.

The prior contact tube has the following defects: during welding, the electric arc temperature easily causes the contact tip to soften and produce the deformation to contact between contact tip and the welding wire is unstable, and holistic rate of utilization is low, influences the welding effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high usage's conductive nozzle for submerged arc welding to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high usage's contact tube for submerged arc welding, includes contact tube body and electrically conductive, the tail end outside of contact tube body is provided with connecting portion, the through hole that is used for carrying the welding wire is seted up to the inboard of contact tube body, the contact tube body is provided with the cell cube of a plurality of fixed welding wires in the inside of through hole, the electrically conductive setting is in the tail end outside of contact tube body, just electrically conductive with the contact tube body passes through the mounting and is connected.

Preferably, the cross section of the whole unit body is circular arc, and the unit body is fixedly connected with the inner wall of the contact tube body.

Preferably, a plurality of the unit bodies are divided into a plurality of groups, and the plurality of groups of the unit bodies are all arranged in parallel along the length direction of the contact tube body.

Preferably, two adjacent groups of the unit bodies are arranged at intervals.

Preferably, a connecting groove is formed in one end, close to the contact tube body, of the conductive component, an internal thread is formed in a notch of the connecting groove, the fixing component is integrally sleeved on the outer side of the contact tube body through the through hole, and the fixing component is screwed with the internal thread through an external thread.

Preferably, an end surface of the fixing member abuts against a side surface of the connecting portion.

The utility model provides a high usage rate's submerged arc welding is with contact tube possesses following beneficial effect:

(1) The utility model discloses a through hole inner wall at the contact tube body sets up a plurality of cell cube, divide into the multiunit with a plurality of cell cube, and adjacent two sets of cell cube interval sets up to in welding process, when the contact tube body is heated and takes place deformation, through the contact on cell cube and welding wire surface, ensured that contact tube body and welding wire keep good contact, thereby improved holistic rate of utilization effectively.

(2) The utility model discloses a set up electrically conductive, the tail end outside of conductive nozzle body is arranged in through seting up the spread groove in the end department of electrically conductive, and realizes being connected of conductive nozzle body and electrically conductive through the mounting to in the use, can be quick change the conductive nozzle body, and during the welding, can ensure the connection stability of conductive nozzle body.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is a schematic structural view of the contact tip body of the present invention;

fig. 3 is a schematic structural diagram of the conductive member of the present invention;

fig. 4 is a schematic position diagram of the unit body of the present invention.

In the figure: 1. a contact tip body; 2. a conductive member; 3. a connecting portion; 4. a through hole; 5. a unit body; 6. a fixing member; 7. and connecting the grooves.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-4, the utility model provides a technical scheme: the utility model provides a high usage's contact tip for submerged arc welding, includes contact tip body 1 and conductive piece 2, the tail end outside of contact tip body 1 is provided with connecting portion 3, the through hole 4 that is used for carrying the welding wire is seted up to the inboard of contact tip body 1, contact tip body 1 is provided with the unit body 5 of a plurality of fixed welding wires in the inside of through hole 4, conductive piece 2 sets up in the tail end outside of contact tip body 1, just conductive piece 2 with contact tip body 1 passes through mounting 6 and connects.

The cross section of the whole unit body 5 is in a circular arc shape, and the unit body 5 is fixedly connected with the inner wall of the contact tube body 1.

The unit bodies 5 are divided into a plurality of groups, and the plurality of groups of unit bodies 5 are arranged in parallel along the length direction of the contact tube body 1.

Two adjacent groups of the unit bodies 5 are arranged at intervals.

The conductive piece 2 is provided with a connecting groove 7 at one end close to the conductive nozzle body 1, an internal thread is arranged at the notch of the connecting groove 7, the fixing piece 6 is integrally sleeved on the outer side of the conductive nozzle body 1 by arranging a through hole, and the fixing piece 6 is screwed with the internal thread by arranging an external thread.

The end face of the fixing member 6 abuts against the side face of the connecting portion 3.

The theory of operation, when using, arrange conductive nozzle body 1's tail end in conductive piece 2's spread groove 7, establish the outside at conductive nozzle body 1 with mounting 6 cover, and through the internal thread, the closure soon of external screw thread, thereby realize the quick fixed to conductive nozzle body 1, and the monolithic integration is stable, simple to operate is swift, simultaneously in welding process, because conductive nozzle body 1 is provided with a plurality of cell cube 5 at the inner wall of through hole 4, and cell cube 5 sets up by mistake, thereby when conductive nozzle body 1 because be heated and take place the deformation back, can ensure the contact of conductive nozzle body 1 and welding wire effectively, thereby guaranteed the stable contact of conductive nozzle body 1 with the welding wire, make holistic rate of utilization greatly increased.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high usage's contact tip for submerged arc welding, its characterized in that, includes contact tip body (1) and electrically conductive piece (2), the tail end outside of contact tip body (1) is provided with connecting portion (3), through hole (4) that are used for carrying the welding wire are seted up to the inboard of contact tip body (1), contact tip body (1) is provided with cell cube (5) of a plurality of fixed welding wires in the inside of through hole (4), electrically conductive piece (2) set up in the tail end outside of contact tip body (1), just electrically conductive piece (2) with contact tip body (1) is connected through mounting (6).

2. The contact tip for submerged arc welding with high use rate according to claim 1, characterized in that: the cross section of the whole unit body (5) is arc-shaped, and the unit body (5) is fixedly connected with the inner wall of the contact tube body (1).

3. The contact tip for submerged arc welding with high utilization rate of claim 1, wherein: the unit bodies (5) are divided into a plurality of groups, and the plurality of groups of unit bodies (5) are arranged in parallel along the length direction of the contact tube body (1).

4. The contact tip for submerged arc welding with high use rate according to claim 3, characterized in that: the two adjacent groups of unit bodies (5) are arranged at intervals.

5. The contact tip for submerged arc welding with high utilization rate of claim 1, wherein: the conductive piece (2) is close to one end of the conductive nozzle body (1) and is provided with a connecting groove (7), an internal thread is arranged at the notch of the connecting groove (7), the fixing piece (6) is integrally sleeved on the outer side of the conductive nozzle body (1) through the arrangement of a through hole, and the fixing piece (6) is screwed with the internal thread through the arrangement of an external thread.

6. The contact tip for submerged arc welding with high use rate according to claim 1, characterized in that: the end face of the fixing piece (6) is abutted against the side face of the connecting part (3).