CN203791811U - Contact tube device applied to flux-cored welding wire self-shielded welding - Google Patents
Contact tube device applied to flux-cored welding wire self-shielded welding Download PDFInfo
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- CN203791811U CN203791811U CN201420224459.5U CN201420224459U CN203791811U CN 203791811 U CN203791811 U CN 203791811U CN 201420224459 U CN201420224459 U CN 201420224459U CN 203791811 U CN203791811 U CN 203791811U
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- electric conduction
- welding
- welding wire
- conducting bracket
- cavity
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Abstract
The utility model discloses a contact tube device applied to flux-cored welding wire self-shielded welding. The contact tube device comprises connecting threads, a ceramic base body, an electric conduction support and two electric conduction bearings, wherein the connecting threads are used for connecting the electric conduction support and a welding torch; the ceramic base body comprises a body part and a containing part, a through groove is formed in the surface of the body part, a through cavity is formed in the containing part, and a passing hole is formed in the ceramic base body; the containing part of the ceramic base body is wrapped by the electric conduction support, the electric conduction support is provided with an extending part which penetrates through the through groove and is connected with the connecting threads, and a containing cavity communicated with the through cavity is formed in the electric conduction support; the two electric conduction bearings are fixed to the electric conduction support, electric conduction springs are fixed between the electric conduction support and the electric conduction bearings, and a welding wire penetrates through the electric conduction bearings. The welding wire is compressed through the electric conduction bearings so that rolling friction can be formed between the welding wire and a contact tube to reduce resistance; abrasive resistance of the contact tube is improved by using a ceramic material good in abrasive resistance; current is conducted to the welding wire by using the electric conduction bearings, so that the contact is good, and electric conductivity is good; the contact tube is designed into modules capable of being replaced separately, and therefore cost is reduced.
Description
Technical field
The utility model relates to a kind of ignition tip device, is 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.
Utility model content
Problem to be solved in the utility model 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 utility model, 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 further improvement of the utility model, 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 utility model has the advantage of: 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 utility model.
Fig. 2 is front view of the present utility model.
Fig. 3 is left view of the present utility model.
Fig. 4 is top view of the present utility model (cut-away section).
Fig. 5 is ceramic matrix structural representation of the present utility model.
Fig. 6 is connection helicitic texture schematic diagram of the present utility model.
Fig. 7 is conductive bracket structure schematic diagram of the present utility model.
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 utility model is described in further detail.
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 detailed description of the invention of the present utility model is described although above-mentioned; but the not restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendments that creative work can make or distortion still in protection domain of the present utility model.
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 |
|---|---|---|---|
| CN201420224459.5U CN203791811U (en) | 2014-04-30 | 2014-04-30 | Contact tube device applied to flux-cored welding wire self-shielded welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420224459.5U CN203791811U (en) | 2014-04-30 | 2014-04-30 | Contact tube device applied to flux-cored welding wire self-shielded welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203791811U true CN203791811U (en) | 2014-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420224459.5U Expired - Fee Related CN203791811U (en) | 2014-04-30 | 2014-04-30 | Contact tube device applied to flux-cored welding wire self-shielded welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203791811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103920976A (en) * | 2014-04-30 | 2014-07-16 | 山东大学 | Conductive nozzle device applied to self-shield welding of flux-cored wire |
-
2014
- 2014-04-30 CN CN201420224459.5U patent/CN203791811U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103920976A (en) * | 2014-04-30 | 2014-07-16 | 山东大学 | Conductive nozzle device applied to self-shield welding of flux-cored wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20150430 |
|
| EXPY | Termination of patent right or utility model |