CN218193062U

CN218193062U - Embedded conductive nozzle

Info

Publication number: CN218193062U
Application number: CN202222480712.0U
Authority: CN
Inventors: 唐益峰
Original assignee: Suzhou Careful Welding Machinery Co ltd
Current assignee: Suzhou Careful Welding Machinery Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-01-03
Anticipated expiration: 2032-09-20

Abstract

The utility model relates to an inserted contact tube, including the contact tube main part, the welding wire passageway that link up about the axial direction of contact tube main part is equipped with, the head and the afterbody of contact tube main part are provided with the tungsten copper material respectively and insert and the graphite material inserts, and the tungsten copper material is inserted and is provided with through-hole and lower through-hole in the graphite material inserts respectively, goes up the through-hole and all link up with the coaxial setting of welding wire passageway and each other with lower through-hole, the utility model discloses a when the welding wire entered from the welding wire passageway, graphite has realized the effect of self-lubricating for the welding wire gets into more in the same direction as smooth, goes out the silk position at the head, has inlayed the tungsten copper material and has inserted, thereby has improved the accuracy of going out the silk, and its abrasion resistance can improve greatly, has guaranteed welding wire passageway aperture simultaneously stably. The embedding of tungsten copper, which is a high-performance material, enables the service life of the welding position of the contact nozzle to be correspondingly prolonged.

Description

Embedded contact tube

Technical Field

The utility model relates to an electrode technology field especially relates to inserted conductive nozzle.

Background

The welding contact tip is used for guiding a welding wire for welding equipment, the welding wire is fed through the contact tip in the welding process, the wire feeding process is continuous and uninterrupted, a welding wire channel is generally arranged in the contact tip at present, the welding wire continuously moves forwards from the welding wire channel, if the welding wire channel is not smooth enough or is blocked at an inlet, the welding wire is broken or the friction with the contact tip is large, further unstable electric arc is caused, the welding is poor, the welding wire cannot be transmitted correctly for a long time, a welding wire through hole is enlarged, the contact failure between the contact tip and the welding wire is caused, long-time continuous welding cannot be realized, and the automatic welding requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an inserted contact tube has solved the problem that the inside welding wire transportation of electrode mouth is not smooth and easy.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides an inserted contact tube, including the contact tube main part, the welding wire passageway that link up about the axial direction of contact tube main part is equipped with, the head and the afterbody of contact tube main part are provided with tungsten copper material respectively and insert with the graphite material, the tungsten copper material is inserted and is provided with through-hole and lower through-hole in the graphite material inserts respectively, go up the through-hole and all link up each other with the coaxial setting of welding wire passageway with lower through-hole.

Furthermore, the tails of the upper through hole and the lower through hole are provided with tapered guide channels with necking towards the head of the contact tube.

Further, the lengths of the tungsten copper insert and the graphite insert are respectively 9.5-10.5 mm.

Furthermore, the contact tube body is made of brass, red copper, chromium zirconium copper, beryllium copper or tungsten copper.

Further, the periphery of the tail part of the contact tube is provided with a plurality of circles of threads.

Furthermore, clamping planes are arranged on the left side and the right side of the contact tube main body.

Because of the application of the technical scheme, compared with the prior art, the utility model has the advantages of it is following:

the utility model discloses an inserted contact tube, including the contact tube main part, the welding wire passageway that link up about the axial direction of contact tube main part is equipped with, the head and the afterbody of contact tube main part are provided with the tungsten copper material respectively and insert and the graphite material inserts, the tungsten copper material is inserted and is provided with through-hole and lower through-hole in the graphite material inserts respectively, go up the through-hole and all link up with the coaxial setting of welding wire passageway and each other with lower through-hole, graphite has realized the effect of self-lubricating when the welding wire gets into from the welding wire passageway like this, make the welding wire get into more in the same direction as smooth, go out the silk position at the head, it inserts to have inlayed the tungsten copper material, its abrasion resistance can improve greatly, it is stable to have guaranteed welding wire passageway aperture simultaneously. Thereby improving the accuracy of the filament outlet. The embedding of tungsten copper, which is a high-performance material, enables the service life of the welding position of the contact nozzle to be correspondingly prolonged.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

fig. 2 is a front view of a preferred embodiment of the present invention;

fig. 3 is a side view of the preferred embodiment of the invention.

Wherein the reference numerals are as follows:

1. a contact tip body; 2. a welding wire channel; 3. a tungsten copper insert; 4. a graphite material insert; 5. a tapered guide channel; 6. clamping a plane; 7. a thread; 8. and (4) withdrawing the cutter groove.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 and 3 the utility model discloses the structure schematic diagram, including contact nozzle main part 1, the welding wire passageway 2 that link up about contact nozzle main part 1's axial direction is equipped with, contact nozzle main part 1's head and afterbody are provided with respectively and inlay the hole, it has tungsten copper material to insert 3 and graphite material and insert 4 to inlay respectively in the inlay hole of head and afterbody, tungsten copper material inserts 3 and graphite material and inserts 4 and just block in the inlay hole, the center that tungsten copper material inserted 3 and graphite material and insert 4 is provided with through-hole and lower through-hole respectively, the through-hole all just link up each other with the coaxial setting of welding wire passageway 2 with lower through-hole, the welding wire gets into down the through-hole earlier like this and gets into in the through-hole by lower through-hole. Wherein tungsten copper insert 3 and graphite material insert 4 are respectively advancing the silk position and going out the silk position setting, the degree of wear and the card degree of the silk position of advancing the silk position and going out the silk position are the most serious, so increase and insert the stability in order to improve wear resistance and welding wire passageway 2, tungsten copper insert 3 is high temperature resistant simultaneously, high strength, resistant arc ablation, it also increases to make the life-span of conductive nozzle indirect, graphite material insert 4 has lubricated effect, improve the smooth degree and the accuracy of sending a silk, the condition that the silk card that advances is gone up can not appear.

The tails of the upper through hole and the lower through hole are respectively provided with a conical guide channel 5 with a necking towards the head of the contact tube, the cone angle range of the conical guide channel 5 is 30-60 degrees, and the lead of the welding wire is increased under the action of the conical guide channel 5, so that the welding wire can be fed more smoothly.

The lengths of the tungsten copper insert 3 and the graphite insert 4 are respectively 9.5-10.5 mm, the use cost of the contact tube is increased if the inserts are too long, and the effect is not great if the inserts are too small, so that the effects of increasing wear resistance and smoothness are difficult to achieve.

As shown in fig. 2, the contact tip body 1 is provided with holding planes 6 on the left and right sides, and the holding planes 6 are mainly used for holding the contact tip during mounting.

The conductive nozzle body is made of brass, red copper, chromium zirconium copper, beryllium copper or tungsten copper. The body of the contact tube is also provided with a tool withdrawal groove outside, and the tool withdrawal groove is arranged between the multi-circle thread 7 and the head of the contact tube and is used for withdrawing and processing a milling cutter and the like.

The afterbody periphery of leading electric nozzle is provided with many circles of screw thread 7, and the afterbody of leading electric nozzle is installed on welder, and the structure of screw thread 7 makes the installation more convenient.

During the specific use, with the back is accomplished in the preparation of contact tube body, insert 3 with the tungsten copper material and insert 4 with the graphite material and fasten respectively in inlaying the downthehole, then with contact tube body and welder connection, the utility model discloses the contact tube business turn over silk is in the same direction as smooth, and sound construction guarantees to send a passageway aperture to be stable.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides an inserted contact tip, includes the contact tip main part, the axial direction of contact tip main part is equipped with the welding wire passageway that link up from top to bottom, its characterized in that, the head and the afterbody of contact tip main part are provided with tungsten copper material respectively and insert and graphite material inserts, be provided with through-hole and lower through-hole in tungsten copper material inserts and the graphite material inserts respectively, go up the through-hole and all link up each other with the coaxial setting of welding wire passageway with lower through-hole.

2. A contact tip according to claim 1, wherein: the tails of the upper through hole and the lower through hole are provided with tapered guide channels with necking towards the head of the contact tube.

3. A mounted contact tip as claimed in claim 1, wherein: the periphery of the tail part of the conductive nozzle is provided with a plurality of circles of threads.

4. A mounted contact tip as claimed in claim 1, wherein: the left side and the right side of the contact tube main body are provided with clamping planes.

5. A mounted contact tip as claimed in claim 1, wherein: the conductive nozzle body is made of brass, red copper, chromium zirconium copper, beryllium copper or tungsten copper.

6. A mounted contact tip as claimed in claim 1, wherein: the lengths of the tungsten copper insert and the graphite insert are respectively 9.5 to 10.5mm.