CN203918196U

CN203918196U - Ignition tip

Info

Publication number: CN203918196U
Application number: CN201420354924.7U
Authority: CN
Inventors: 毛宇; 马伟
Original assignee: Jinan Trafimet Welding & Cutting Tools Co Ltd
Current assignee: Jinan North welding and cutting accessories Co.,Ltd.
Priority date: 2014-06-30
Filing date: 2014-06-30
Publication date: 2014-11-05
Anticipated expiration: 2024-06-30

Abstract

The utility model provides a kind of ignition tip.Described ignition tip comprises ignition tip body, ceramic and metal package and wearing piece, described ignition tip body comprises the core hole, entrance point and the port of export that axially run through, described entrance point peripheral hardware screw thread, ceramic and metal package described in described port of export peripheral hardware, establishes described wearing piece in simultaneously.Ignition tip of the present utility model has advantages of that wearability is good, high temperature resistance, hardness are high, therefore without frequent replacing, thereby has extended service life of ignition tip, has improved operating efficiency, has reduced production cost.

Description

Ignition tip

Technical field

The utility model relates to welding field, especially, relates to a kind of ignition tip.

Background technology

Ignition tip is welding equipment consumable accessory, is positioned at welding gun caudal end part, for delivery welding wire.Traditional ignition tip production technology is only carried out copper material machine-shaping, and surface is unprotect layer all.When welding, arc temperature is too high, and the environment of welding relatively seals, and heat is difficult for distributing, cause the temperature rise of ignition tip itself, in the time exceeding material softening temperature for a long time, ignition tip hardness declines, cause ignition tip thermal deformation, axially extending bore is expanded, cause ignition tip and welding wire loose contact.

On the other hand, ignition tip surface charging, easily contacts sparking and burns ignition tip with workpiece, and surface is not wear-resisting fragile, has increased and has changed the number of times of ignition tip, thereby extended the engineering time, has caused inconvenience to construction.

In addition, the core hole of running through vertically of existing ignition tip is generally circle, simultaneously because welding wire cross section be also circle, thereby welding wire and core hole contact-making surface larger, cause wire resistance larger; Circular hole ignition tip and circular welding wire gap are little, and the metal splash producing when welding easily stops up welding wire and ignition tip, haircuts, causes current interruption, and in the time that automatic wire feeder continues wire feed, can cause the disorderly waste of welding wire pine; Circular welding wire is in circular hole ignition tip, and wire is easily shaken and trembled, and causes conduction bad, instantaneous short-circuit, current interruption; Circular welding wire contacts with circular hole ignition tip circular arc, slightly wears away ovalisation endoporus through using, and strengthens the gap of welding wire and endoporus, causes instantaneous short-circuit current interruption, needs the frequent ignition tip of changing, and increases use cost.

Utility model content

For solving the problems of the technologies described above, the utility model provides a kind of ignition tip.

The ignition tip that the utility model provides, comprise ignition tip body, ceramic and metal package and wearing piece, described ignition tip body comprises the core hole, entrance point and the port of export that axially run through, described entrance point peripheral hardware screw thread, ceramic and metal package described in described port of export peripheral hardware, establishes described wearing piece in the while.

In a kind of preferred embodiment of the ignition tip providing at the utility model, described wearing piece is pottery edge cover, and the end of described wearing piece is mutually concordant with the end face of the described port of export.

In a kind of preferred embodiment of the ignition tip providing at the utility model, the cross section in described core hole is triangular in shape.

In a kind of preferred embodiment of the ignition tip providing at the utility model, described port of export radial dimension reduces gradually along wire vent direction.

Compared with prior art, the utility model has the advantage of:

One, ceramic and metal package can make ignition tip surface insulation, and its thin thickness, high temperature resistance, the feature that wear-resistant, anticorrosive, reliability is high are beneficial to welding procedure and use, and reduce ignition tip and change number of times, increase its service life.

Two, ignition tip is in welding process, and pottery edge cover directly contacts with welding wire, can effectively strengthen wearability and the corrosion resistance of ignition tip, avoids the friction between welding wire and ignition tip core axial hole, reduces the wearing and tearing of ignition tip; Pottery edge cover can be high temperature resistant, plays certain heat-blocking action, and the heat producing can avoid welding wire to melt in the time of welding time is directly delivered to ignition tip, improves intensity and the hardness of ignition tip, extends the service life of ignition tip.

Three, the cross section in core hole is triangular in shape, contacts and compares with arc surface of the prior art, has reduced contact area, has reduced wire resistance; Between the core hole that cross section is triangular in shape and welding wire, leave space, and this space is distributed in around welding wire, is beneficial to that spatter thing is slow to be held, discharge, thereby reduced splash and stop up the drawback of haircuts; When wire, welding wire all-the-time stable is in the groove being surrounded by least two limits, makes that wire is more unimpeded, stability is better, electric conductivity strengthens.

Four, ignition tip entrance point peripheral hardware screw thread, can facilitate the replacing of ignition tip.

Brief description of the drawings

In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing, wherein:

Fig. 1 is the perspective view of the ignition tip that provides of the utility model;

Fig. 2 is the longitudinal sectional view of the ignition tip that provides of the utility model;

Fig. 3 is the top view of the ignition tip that provides of the utility model.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making all other embodiment that obtain under creative work prerequisite, all belong to the scope of the utility model protection.

Please refer to Fig. 1 and Fig. 2, wherein Fig. 1 is the perspective view of the ignition tip that provides of the utility model, and Fig. 2 is the longitudinal sectional view of the ignition tip that provides of the utility model.Described ignition tip 100 comprises ignition tip body 10, ceramic and metal package 13 and wearing piece 14, described ignition tip body 10 comprises the core hole 15, entrance point 11 and the port of export 12 that axially run through, described entrance point 11 peripheral hardware screw threads, ceramic and metal package 13 described in the described port of export 12 peripheral hardwares, establishes described wearing piece 14 in the while.

Described wearing piece 14 is pottery edge cover, and the end of described wearing piece 14 is mutually concordant with the end face of the described port of export 12.The described port of export 12 radial dimensions reduce gradually along wire vent direction.

When welding, welding wire enters described ignition tip body 10 by described entrance point 11, and by described core hole 15, finally passes from the described port of export 12.Due to described wearing piece 14, the coefficient of expansion of pottery edge cover is low, and resistivity is high, and dielectric loss is little, and pottery has enough hardness, wear-resistant ability and resistance to chemical attack, can play guide effect to sending of welding wire; Described wearing piece 14 can also effectively reduce because welding wire and the described ignition tip 100 described ignition tip 100 causing that rubs weares and teares, and avoids the described ignition tip 100 more renewing frequently; Described ceramic and metal package 13 can make described ignition tip 100 surface insulations, has advantages of that wearability is good, high temperature resistance, hardness be high, is beneficial to welding procedure and uses, and reduces described ignition tip 100 and change number of times, increases its service life.

Refer to again Fig. 3, the top view of the ignition tip providing for the utility model.The cross section in described core hole 15 is triangular in shape.When welding, welding wire contacts with described core hole 15, and less than general arc surface contact area, wire resistance reduces, and wire is unimpeded; Between described core hole 15 and welding wire, leave space, and this space is distributed in around welding wire, is beneficial to that spatter thing is slow to be held, discharge, thereby reduced splash and stop up the drawback of haircuts; When wire, welding wire all-the-time stable is in the groove being surrounded by least two limits, makes that wire is more unimpeded, stability is better, electric conductivity strengthens.

Compared with prior art, the disclosed ignition tip 100 of the utility model, wearability is good, high temperature resistance, hardness are high, without frequent replacing, and avoid the splash in welding process on ignition tip, to occur bonding, effectively extend the service life of ignition tip, extended the continuous production time of equipment, and improved the safety in utilization of described ignition tip 100, effectively reduce the production cost of enterprise, be conducive to improve the quality of production and the production efficiency of product.

The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.

Claims

1. an ignition tip, it is characterized in that, comprise ignition tip body, ceramic and metal package and wearing piece, described ignition tip body comprises the core hole, entrance point and the port of export that axially run through, described entrance point peripheral hardware screw thread, ceramic and metal package described in described port of export peripheral hardware, establishes described wearing piece in the while.

2. ignition tip according to claim 1, is characterized in that, described wearing piece is pottery edge cover, and the end of described wearing piece is mutually concordant with the end face of the described port of export.

3. ignition tip according to claim 1, is characterized in that, the cross section in described core hole is triangular in shape.

4. ignition tip according to claim 1, is characterized in that, described port of export radial dimension reduces gradually along wire vent direction.