CN103920976A - Conductive nozzle device applied to self-shield welding of flux-cored wire - Google Patents
Conductive nozzle device applied to self-shield welding of flux-cored wire Download PDFInfo
- Publication number
- CN103920976A CN103920976A CN201410181083.9A CN201410181083A CN103920976A CN 103920976 A CN103920976 A CN 103920976A CN 201410181083 A CN201410181083 A CN 201410181083A CN 103920976 A CN103920976 A CN 103920976A
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- Prior art keywords
- conductive
- welding
- conducting bracket
- cavity
- ceramic matrix
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/26—Accessories for electrodes, e.g. ignition tips
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a conductive nozzle device applied to self-shield welding of a flux-cored wire. The conductive nozzle device comprises a connecting thread used for connecting a conductive support and a welding torch, a ceramic base body comprising a base and a containing portion, the conductive support and two conductive bearings. The surface of the base is provided with a through groove. A through cavity is formed in the containing portion. The ceramic base body is provided with a clearing hole. The conductive support wraps the containing portion of the ceramic base body. The conductive support is provided with an extension portion which penetrates through the through groove and is connected with the connecting thread. The conductive support is provided with a containing cavity communicated with the through cavity. The two conductive bearings are fixed to the conductive support. Conductive springs are fixed between the conductive support and the conductive bearings. The welding wire penetrates through the conductive bearings. According to the conductive nozzle device, the conductive bearings are adopted for pressing the welding wire so that rolling friction can be formed between the welding wire and a conductive nozzle, and resistance can be reduced; a ceramic material good in wear resistance is utilized for improving the wear resistance of the conductive nozzle; currents are conducted to the welding wire through the conductive bearings, contact is good, and therefore the conductivity is improved; the conductive nozzle is designed into a module capable of being replaced in a separating mode, replacing is convenient, and the cost is lowered.
Description
Technical field
The present invention relates to a kind of ignition tip device, be specifically related to a kind of ignition tip device that is applied to flux cored arc welding.
Background technology
Ignition tip is one of original paper of most critical on automatic welder(welding machine), and its Main Function has two: the one, carry welding wire according to certain angle, and the 2nd, electric current is conducted to welding wire.Along with developing rapidly of mechanical industry, the particularly development of flux-cored wire automatic welding, more and more higher to the quality requirement of welding, thereby ignition tip performance is also had higher requirement.Generally meet the requirement of ignition tip performance by improving ignition tip material.For a long time, we adopt the materials such as bronze, red copper, brass, phosphor bronze to make various ignition tips, but because these material wear abilities, heat-resisting quantity are poor, case hardness is low, average use once, within two days, wear and tear and burnt out, workshop needs a large amount of spare parts for this reason, has both expended man-hour, waste again material, also had a strong impact on weldquality and production efficiency.
At present, using when ignition tip, mainly there is following problem: electric arc is unstable, voltage pulsation is excessive, easily produce current interruption, haircuts phenomenon, ignition tip serious wear.Wherein, electric arc is unstable, and the reason that voltage pulsation is large is poor electric conductivity; Easily the reason of current interruption or haircuts is ignition tip and welding wire loose contact, produces shelf depreciation, causes welding wire and ignition tip adhesion; The conductive hole ovalisation of easily wearing and tearing, reason is not wear-resisting.The subject matter existing while use in conjunction with ignition tip and its generation reason, we need the electric conductivity and the wearability that improve ignition tip badly, and make ignition tip have well and contact with welding wire.
For this reason, in welding production process, we are badly in need of wanting a kind of wearability, heat-resisting quantity good, cheap, and the ignition tip device that life cycle is long, to improve weldquality and production efficiency.
Summary of the invention
Problem to be solved by this invention is that a kind of wearability of proposition, heat-resisting quantity are good, cheap, the ignition tip device that life cycle is long.
A kind of ignition tip device that is applied to flux cored arc welding of the present invention, comprising:
Connect screw thread, described connection screw thread is used for connecting conducting bracket and welding torch;
Ceramic matrix, described ceramic matrix comprises interconnective our department and accommodation section, the surface of described our department is provided with through slot, is provided with cavity on accommodation section, is also provided with the through hole passing through for welding wire on described ceramic matrix;
Conducting bracket, the accommodation section of described ceramic matrix is wrapped in conducting bracket, described conducting bracket is also provided with extension, described extension through through slot with connect screw thread and join, on described conducting bracket, be also provided with container cavity, container cavity is communicated with cavity;
Conductive bearing, described conductive bearing has two, is all fixed on conducting bracket by conductive shaft, is also fixed with power spring between conducting bracket and conductive shaft, and two conductive bearings are about through hole symmetry, and welding wire passes from two conductive bearings.
As a further improvement on the present invention, described pottery substantially also comprises connecting portion, and connecting portion is fixedly connected with our department, and described connection screw thread is provided with cavity, and connecting portion is stuck in cavity.
Further improve, described ceramic matrix is also provided with guide part, and guide part is connected with accommodation section, for guiding the direction of advance of welding wire.
The material of described ceramic matrix is Wear-resistant, high-temperature resistant pottery.
Described conducting bracket can have two half-unit, is symmetrical arranged about the through hole at ceramic matrix middle part.
On described conductive bearing external diameter, have groove, welding wire passes from the relative groove of two conductive bearings.
The invention has the advantages that: utilize two good bearings of electric conductivity to compress welding wire, change the sliding friction between welding wire and ignition tip into rolling friction, reduced resistance; Material is now used in good ceramic material replacement to utilize wearability, has greatly improved the wearability of ignition tip; Two good bearings of electric conductivity of utilization and welding wire close contact conduct electric current to welding wire, so that its good contact provides electric conductivity; Ignition tip is designed to the module that can separately change, so that change, can saves material, reduce costs.
Brief description of the drawings
Fig. 1 is perspective view of the present invention.
Fig. 2 is front view of the present invention.
Fig. 3 is left view of the present invention.
Fig. 4 is top view of the present invention (cut-away section).
Fig. 5 is ceramic matrix structural representation of the present invention.
Fig. 6 is connection helicitic texture schematic diagram of the present invention.
Fig. 7 is conductive bracket structure schematic diagram of the present invention.
In figure: 1, connect screw thread, 2, ceramic matrix, 3, conducting bracket, 4, power spring, 5, conductive bearing, 6, the first trip bolt, 7, the second trip bolt, 8, flux-cored wire, 9, conductive shaft, 10, connecting portion, 11, our department, 12, accommodation section, 13, guide part, 14, through slot, 15, cavity, 16, cavity, 17, through hole, 18, extension, 19, container cavity, 20, groove.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
As shown in Fig. 1-Fig. 7; a kind of ignition tip that is applied to flux cored arc welding of the present embodiment, this device comprise connect screw thread 1, with connect the ceramic matrix 2 of screw thread 1 key connection, two relative connections of ceramic matrix 2 outsides and with connect the fastening conducting bracket linking 3 of screw thread 1, be arranged on the conductive bearing 5 on conducting bracket 3.
Ceramic matrix 2 entirety are column type, and described ceramic matrix 2 comprises interconnective connecting portion 10, our department 11, accommodation section 12 and guide part 13; The surface of described our department 11 is provided with through slot 14, is provided with cavity 15 on accommodation section 12, and described connection screw thread 1 is provided with cavity 16, and connecting portion 10 is stuck in cavity 16.
The cylinder axle center of ceramic matrix 2 has through hole 17, with so that flux-cored wire 8 passes through, is connected in and connects screw thread 1 at ceramic matrix 2 cylinder one end keys, and it is cylindrical connecting screw thread 1, is threaded with welding torch.
The accommodation section 12 of described ceramic matrix 2 is wrapped in conducting bracket 3, on described conducting bracket 3, is also provided with container cavity 19, and container cavity 19 is communicated with cavity 15; Conducting bracket 3 has symmetrical two half-unit, interfixes by the first trip bolt 6 of both sides.At conducting bracket 3 during in installation site, its extension 18 is through through slot 14, and with connects screw thread 1 and connects by the second trip bolt 7, can ensure that electric current imports conducting bracket 3 from connection screw thread 1.
Conducting bracket 3 both sides have the groove of strip, in order to conductive shaft 9 to be installed.Conductive shaft 9 is the installation site of conductive bearing 5.Between conducting bracket 3 tops and conductive shaft 9, be fixed with power spring 4, make after conducting bracket 3 is installed, power spring 4 can be given conductive bearing 5 pressure, and conductive bearing 5 is compressed mutually.
Fluted 20 in the middle of the external diameter of conductive bearing 5, after conductive bearing 5 is installed, flux-cored wire 8 in groove 20, makes the movement of its restriction flux-cored wire 8 just.The size of groove 20 is selected according to the diameter of flux-cored wire 8.
When work, first ignition tip device is connected on welding torch by connecting screw thread 1, open the source of welding current, welding current conducts the current on flux-cored wire 8 by connection screw thread 1, conducting bracket 3, power spring 4, conductive shaft 9, conductive bearing 5 successively, then between flux-cored wire 8 and workpiece, form welding arc, flux-cored wire 8 at high temperature melts and welds.In welding process, conductive bearing 5 compresses flux-cored wire 8 and its close contact by power spring 4, and conductive bearing 5 constantly rotates under the motion of flux-cored wire 8, and electric current is conducted to flux-cored wire 8, thereby completes welding.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendments that creative work can make or distortion still in protection scope of the present invention.
Claims (6)
1. an ignition tip device that is applied to flux cored arc welding, is characterized in that, comprising:
Connect screw thread, described connection screw thread is used for connecting conducting bracket and welding torch;
Ceramic matrix, described ceramic matrix comprises interconnective our department and accommodation section, the surface of described our department is provided with through slot, is provided with cavity on accommodation section, is also provided with the through hole passing through for welding wire on described ceramic matrix;
Conducting bracket, the accommodation section of described ceramic matrix is wrapped in conducting bracket, described conducting bracket is also provided with extension, described extension through through slot with connect screw thread and join, on described conducting bracket, be also provided with container cavity, container cavity is communicated with cavity;
Conductive bearing, described conductive bearing has two, is all fixed on conducting bracket by conductive shaft, is also fixed with power spring between conducting bracket and conductive shaft, and two conductive bearings are about through hole symmetry, and welding wire passes from two conductive bearings.
2. the ignition tip device that is applied to flux cored arc welding as claimed in claim 1, is characterized in that, described pottery substantially also comprises connecting portion, and connecting portion is fixedly connected with our department, and described connection screw thread is provided with cavity, and connecting portion is stuck in cavity.
3. the ignition tip device that is applied to flux cored arc welding as claimed in claim 2, is characterized in that, described ceramic matrix is also provided with guide part, and guide part is connected with accommodation section, for guiding the direction of advance of welding wire.
4. the ignition tip device that is applied to flux cored arc welding as claimed in claim 1, is characterized in that, the material of described ceramic matrix is Wear-resistant, high-temperature resistant pottery.
5. the ignition tip device that is applied to flux cored arc welding as claimed in claim 1, is characterized in that, described conducting bracket has two half-unit, is symmetrical arranged about the through hole at ceramic matrix middle part.
6. the ignition tip device that is applied to flux cored arc welding as claimed in claim 1, is characterized in that, on described conductive bearing external diameter, has groove, and welding wire passes from the relative groove of two conductive bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410181083.9A CN103920976B (en) | 2014-04-30 | 2014-04-30 | A kind of ignition tip device being applied to flux cored arc welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410181083.9A CN103920976B (en) | 2014-04-30 | 2014-04-30 | A kind of ignition tip device being applied to flux cored arc welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103920976A true CN103920976A (en) | 2014-07-16 |
| CN103920976B CN103920976B (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410181083.9A Expired - Fee Related CN103920976B (en) | 2014-04-30 | 2014-04-30 | A kind of ignition tip device being applied to flux cored arc welding |
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| Country | Link |
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| CN (1) | CN103920976B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57199570A (en) * | 1981-06-02 | 1982-12-07 | Nippon Kokan Kk <Nkk> | Guiding device for welding torch |
| JPH10244371A (en) * | 1997-03-03 | 1998-09-14 | Hitachi Constr Mach Co Ltd | Contact tip for welding |
| CN101664854A (en) * | 2009-09-24 | 2010-03-10 | 宁波明欣化工机械有限责任公司 | Welding tip holding device |
| CN101941113A (en) * | 2010-06-11 | 2011-01-12 | 兰州交通大学 | Welding gun of ultra narrow gap and welding method |
| CN203791811U (en) * | 2014-04-30 | 2014-08-27 | 山东大学 | Contact tube device applied to flux-cored welding wire self-shielded welding |
-
2014
- 2014-04-30 CN CN201410181083.9A patent/CN103920976B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57199570A (en) * | 1981-06-02 | 1982-12-07 | Nippon Kokan Kk <Nkk> | Guiding device for welding torch |
| JPH10244371A (en) * | 1997-03-03 | 1998-09-14 | Hitachi Constr Mach Co Ltd | Contact tip for welding |
| CN101664854A (en) * | 2009-09-24 | 2010-03-10 | 宁波明欣化工机械有限责任公司 | Welding tip holding device |
| CN101941113A (en) * | 2010-06-11 | 2011-01-12 | 兰州交通大学 | Welding gun of ultra narrow gap and welding method |
| CN203791811U (en) * | 2014-04-30 | 2014-08-27 | 山东大学 | Contact tube device applied to flux-cored welding wire self-shielded welding |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103920976B (en) | 2016-03-23 |
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Granted publication date: 20160323 Termination date: 20200430 |