CN102310256B - Arcing type stud welding gun - Google Patents
Arcing type stud welding gun Download PDFInfo
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- CN102310256B CN102310256B CN 201110189068 CN201110189068A CN102310256B CN 102310256 B CN102310256 B CN 102310256B CN 201110189068 CN201110189068 CN 201110189068 CN 201110189068 A CN201110189068 A CN 201110189068A CN 102310256 B CN102310256 B CN 102310256B
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- welding gun
- shaft assembly
- fixed cover
- armature
- welding
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Abstract
The invention discloses an arcing type stud welding gun, which comprises a gun shell and an end cover group arranged on the gun shell, wherein a cavity is formed in the gun shell and the end cover group, a welding gun shaft assembly and a fixed sleeve fixed on the gun shell are arranged in the cavity, an electrification coil is arranged in the fixed sleeve, the front end of the welding gun shaft assembly is provided with an electric conduction chuck, the rear end of the welding gun shaft assembly is detachably connected to the fixed sleeve through an armature, the welding gun also comprises a positioning block arranged on the gun shell, and the positioning block props the welding gun shaft assembly at the lower side of the welding gun shaft assembly when the welding gun shaft assembly is separated from the fixed sleeve along with the armature and generates a falling trend. According to the invention, the stud welding height can be simply adjusted, the welding gun is suitable for studs with different welding heights, the adsorption and separation processes of the male connection sleeve and the fixed sleeve are quick and stable, the electric conduction shaft jumps slightly, and the welding quality is stable.
Description
Technical field
The present invention relates to a kind of stud welding gun, particularly a kind of drawn-arc stud welding gun.
Background technology
Electric arc stud welding (stud welding) is with double-screw bolt one end and plate (or pipe fitting) Surface Contact, and the energising striking after to be contacted the fusing, finishes the method for welding for the double-screw bolt certain pressure.Electric arc stud welding is suitable for Tall Steel bone structure building, industrial factory building, highway, railway, bridge, pylon, automobile, the energy, means of transportation building, airport, station, power station, support of pipelines, hoisting machinery and other steel construction etc. with socket cap weldering nail.
The basic principle of electric arc stud welding is the electric arc that ignites between double-screw bolt to be welded and workpiece, and when double-screw bolt and workpiece were heated to suitable temperature, under external force, the welding pool that double-screw bolt is sent on the workpiece formed welding point.According to the difference of the used source of welding current in the welding process, conventional arc arc stud welding can be divided into arc pulling type arc stud welding and two kinds of basic skills of capacitance energy storage electric arc stud welding.
Different from the Fundamentals of Welding of energy-storage type double screw-bolt welding machine, drawn arc stud welding machine is without the capacitor charging process, and by source of welding current discharge, thyristor control is finished whole welding process discharge time, and be the 5-500 millisecond discharge time.
Traditional drawn-arc stud welding gun is through after repeatedly using, and the welding and assembling height tend generation deviation of double-screw bolt and welded plate generally is provided with nut in the rear end of welding gun, changes welding and assembling height between double-screw bolt and the welded plate by adjusting nut.But this method takes time and effort, and also easily produces error.In addition, for the double-screw bolt of different length, double-screw bolt also is different from welding and assembling height between the welded plate,, also needs to realize by adjusting nut when welding gun is used for different double-screw bolts when same.
Summary of the invention
The purpose of this invention is to provide a kind of drawn-arc stud welding gun, can effectively reduce the error that in process, produces and simply the double-screw bolt of different welding and assembling heights be processed.
For achieving the above object, the invention provides a kind of drawn-arc stud welding gun, it comprises rifle shell and the end cap group that is arranged on the rifle shell, the inside of described rifle shell and end cap group forms a cavity, be provided with welding gun shaft assembly and the fixed cover that is fixed on the rifle shell in this cavity, be provided with hot-wire coil in the described fixed cover, the front end of described welding gun shaft assembly is provided with conductive chuck, the rear end of described welding gun shaft assembly is connected in fixed cover separatably by an armature, this welding gun comprises that also one is arranged on the locating piece on the rifle shell, and this locating piece downside at the welding gun shaft assembly when the welding gun shaft assembly is followed armature to break away from fixed cover and produced whereabouts trend props up it.
Preferably, described welding gun shaft assembly comprises conductive shaft, connector, insulation sleeve and public access cover, described conductive shaft, connector, insulation sleeve, public access cover and fixed cover are a minute body structure, and the rear end of conductive shaft, connector, insulation sleeve and the front end of public access cover link to each other successively.
Preferably, described locating piece is between conductive shaft and connector, and when the welding gun shaft assembly followed armature to break away from fixed cover, described locating piece propped up the front end face of described connector.
Preferably, coaxial sleeve is provided with an axle sleeve on the described conductive shaft, is provided with a backstay that extends laterally on the outer rim of this axle sleeve, offer on the described rifle shell for the hole of this backstay phase clamping.
Preferably, be provided with spring between described fixed cover and the described insulation sleeve.
Preferably, the armature of described public access cover is cross, offers the cross bore that is complementary with this armature on the fixed cover.
Preferably, described public access cover comprises a bullet between insulation sleeve and armature, offers on the described fixed cover for mention bag when sliding to fixed cover at the public access cover and receives the bellmouth of this bullet.
The present invention adopts above structure, has the following advantages:
1, can simply regulate the welding and assembling height of double-screw bolt;
2, be applicable to the double-screw bolt of different welding and assembling heights;
3, the process of the absorption of public access cover and fixed cover and disengaging is fast and stable, and beating of conductive shaft is little, welding quality stable.
Description of drawings
Accompanying drawing 1 is structural representation of the present invention.
Accompanying drawing 2 is schematic diagrames of dismounting end cap group of the present invention and a half-shells.
In the accompanying drawing: 1, rifle shell; 2, end cap group; 21, aluminium cover; 22, centring ring; 3, conductive shaft; 4, connector; 5, insulation sleeve; 6, public access cover; 7, fixed cover; 8, armature; 9, axle sleeve; 10, backstay; 11, locating piece; 12, spring.
The specific embodiment
Below in conjunction with one of accompanying drawing 1-2 preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be those skilled in the art will recognize that protection scope of the present invention is made more explicit defining.
A kind of drawn-arc stud welding gun, it comprises rifle shell 1 and the end cap group 2 that is arranged on the rifle shell 1, the inside of described rifle shell 1 and end cap group 2 forms a cavity, be provided with welding gun shaft assembly and the fixed cover 7 that is fixed on the rifle shell 1 in this cavity, be provided with hot-wire coil in the described fixed cover 7, the front end of described welding gun shaft assembly is provided with conductive chuck, the rear end of described welding gun shaft assembly is connected in fixed cover 7 separatably by an armature 8, this welding gun comprises that also one is arranged on the locating piece 11 on the rifle shell 1, and this locating piece 11 downside at the welding gun shaft assembly when the welding gun shaft assembly is followed armature 8 to break away from fixed cover 7 and produced whereabouts trend props up it.
Described welding gun shaft assembly comprises conductive shaft 3, connector 4, insulation sleeve 5 and public access cover 6, described conductive shaft 3, connector 4, insulation sleeve 5, public access cover 6 and fixed cover 7 are a minute body structure, and the rear end of conductive shaft 3, connector 4, insulation sleeve 5 and the front end of public access cover 6 link to each other successively.
Described locating piece 11 is between conductive shaft 3 and connector 4, and when the welding gun shaft assembly followed armature 8 to break away from fixed cover 7, described locating piece 11 propped up the front end face of described connector 4.
Coaxial sleeve is provided with an axle sleeve 9 on the described conductive shaft 3, is provided with a backstay 10 that extends laterally on the outer rim of this axle sleeve 9, offer on the described rifle shell 1 for the hole of these backstay 10 phase clampings.
Be provided with spring 12 between described fixed cover 7 and the described insulation sleeve 5.
The armature 8 of described public access cover 6 is cross, offers the cross bore that is complementary with this armature 8 on the fixed cover 7.
Described public access cover 6 comprises a bullet between insulation sleeve 5 and armature 8, offers on the described fixed cover 7 for mention bag when sliding to fixed cover 7 at public access cover 6 and receives the bellmouth of this bullet.
A kind of drawn-arc stud welding gun in the present embodiment, it comprises rifle shell 1 and the end cap group 2 that is arranged on the rifle shell 1.End cap group 2 comprises a plurality of aluminium covers 21 and centring ring 22.
This rifle shell 1, aluminium cover 21 and the centring ring 22 common cavitys that form include conductive shaft 3, connector 4, insulation sleeve 5, public access cover 6 and fixed cover 7 in this cavity.
This welding gun comprises that also one is arranged on the locating piece 11 on the rifle shell 1, and this locating piece 11 props up connector 4 when this public access cover 6 falls away from fixed cover 7.Welding and assembling height was public access cover 6 and was fixed cover 7 fully when adsorbing, the distance of the rear end face distance join cover front end face of locating piece 11 this moment.When the welding and assembling height of double-screw bolt and welded plate produces error, only need to unload locating piece 11, locating piece 11 is just processed or changed can satisfy processing request.When the welding and assembling height of double-screw bolt and welded plate changes, the double-screw bolt processing request that only locating piece 11 of needs replacing corresponding size can be different.
The front end of conductive shaft 3 is connected with conductive chuck.Coaxial sleeve is provided with an axle sleeve 9 on the conductive shaft 3, is provided with a backstay 10 that extends laterally on the outer rim of this axle sleeve 9, offer on the described rifle shell 1 for the hole of these backstay 10 phase clampings.Armature 8 is arranged on the rear end of public access cover 6, and public access cover 6 drives conductive shafts 3 and slides, and axle sleeve 9 is arranged on the front portion of conductive shaft 3, so axle sleeve 9 limited conductive shaft 3 beating in welding process, has guaranteed the quality of double-screw bolt in welding process.
The setting that is connected with the front end of connector 4 of the rear end of conductive shaft 3, connector 4 is a cuboid, the center line of the axis of this conductive shaft 3 and connector 4 coincides.Connector 4 setting that also links to each other with a flexible cable, the other end and the control circuit of flexible cable are electrically connected.
Connector 4 the front end of rear end by threaded engagement and insulation sleeve 5 be fixedly connected, the axis of the axis of insulation sleeve 5 and this conductive shaft 3 coincides, insulation sleeve 5 is wood materials, plays insulation effect.
The front end of the rear end of insulation sleeve 5 and public access cover 6 is connected, and the rear end of this public access cover 6 is provided with an armature 8, and armature 8 be soft iron, and soft iron is magnetized at once putting into magnetic field, demagnetizes at once again after magnetic field disappears.Therefore the process of the absorption of public access cover 6 and fixed cover 7 and disengaging is fast and stable.Armature 8 is cross, on the axis that is centered close to this conductive shaft 3 of this cross armature 8.Between armature 8 and insulation sleeve 5, public access cover 6 also comprises a bullet with taper surface.
Offer the cross bore that is complementary with cross on the fixed cover 7, fixed cover 7 is set on this criss-cross armature 8 slidably.Criss-cross design has further limited the scope of the bob of public access cover 6, has guaranteed that public access cover 6 is at the linearity in the axis sliding process of conductive shaft 3.
Offer on the fixed cover 7 for bag receive this public access cover 6 bullet taper surface bellmouth, be provided with hot-wire coil in this fixed cover 7.Than traditional design, adsorb public access at fixed cover 7 and overlap in 6, the taper surface that is complementary can increase friction, stops the possibility of public access cover 6 because the skew that produces under the special statuss such as use wearing and tearing.
Be provided with spring 12 between fixed cover 7 and the insulation sleeve 5.Fixed cover 7 breaks away from public access cover 6 under the reaction force of spring 12.
When hot-wire coil is switched on, fixed cover 7 produces magnetic, armature 8 is produced suction, armature 8 drives public access cover 6 and slides to fixed cover 7, produce electric arc between the double-screw bolt of drive conductive chuck the inside and the welded plate, between welded plate and double-screw bolt, produce the molten bath, when hot-wire coil cuts off the power supply, conductive shaft 3 can under the reaction of spring 12, promptly be pressed into molten-bath arc welding with double-screw bolt and be connected on the welded plate.
The present invention adopts above structure, has the following advantages:
1, can simply regulate the welding and assembling height of double-screw bolt;
2, be applicable to the double-screw bolt of different welding and assembling heights;
3, the process of the absorption of public access cover 6 and fixed cover 7 and disengaging is fast and stable, and beating of conductive shaft 3 is little, welding quality stable.
Above specific embodiment of the present invention is illustrated in conjunction with diagram, clearly, on the basis of not leaving scope and spirit of the present invention, can much revises prior art and technique.In the technical field, the common knowledge of a GPRS just can in technology main idea scope of the present invention, be carried out diversified change under of the present invention.
Claims (5)
1. drawn-arc stud welding gun, it comprises rifle shell and the end cap group that is arranged on the rifle shell, the inside of described rifle shell and end cap group forms a cavity, be provided with welding gun shaft assembly and the fixed cover that is fixed on the rifle shell in this cavity, be provided with hot-wire coil in the described fixed cover, the front end of described welding gun shaft assembly is provided with conductive chuck, the rear end of described welding gun shaft assembly is connected in fixed cover separatably by an armature, it is characterized in that: this welding gun comprises that also one is arranged on the locating piece on the rifle shell, this locating piece downside at the welding gun shaft assembly when the welding gun shaft assembly is followed armature to break away from fixed cover and produced whereabouts trend props up it, described welding gun shaft assembly comprises conductive shaft, connector, insulation sleeve and public access cover, described conductive shaft, connector, insulation sleeve, public access cover and fixed cover are a minute body structure, the rear end of conductive shaft, connector, insulation sleeve links to each other successively with the front end of public access cover, described public access cover comprises a bullet between insulation sleeve and armature, offers on the described fixed cover for mention bag when sliding to fixed cover at the public access cover and receives the bellmouth of this bullet.
2. drawn-arc stud welding gun according to claim 1 is characterized in that: described locating piece is between conductive shaft and connector, and when the welding gun shaft assembly followed armature to break away from fixed cover, described locating piece propped up the front end face of described connector.
3. drawn-arc stud welding gun according to claim 1, it is characterized in that: coaxial sleeve is provided with an axle sleeve on the described conductive shaft, be provided with a backstay that extends laterally on the outer rim of this axle sleeve, offer on the described rifle shell for the hole of this backstay phase clamping.
4. drawn-arc stud welding gun according to claim 1 is characterized in that: be provided with spring between described fixed cover and the described insulation sleeve.
5. drawn-arc stud welding gun according to claim 1 is characterized in that: the armature of described public access cover is cross, offers the cross bore that is complementary with this armature on the fixed cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110189068 CN102310256B (en) | 2011-07-07 | 2011-07-07 | Arcing type stud welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110189068 CN102310256B (en) | 2011-07-07 | 2011-07-07 | Arcing type stud welding gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102310256A CN102310256A (en) | 2012-01-11 |
| CN102310256B true CN102310256B (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110189068 Expired - Fee Related CN102310256B (en) | 2011-07-07 | 2011-07-07 | Arcing type stud welding gun |
Country Status (1)
| Country | Link |
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| CN (1) | CN102310256B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384680B (en) * | 2014-09-26 | 2016-04-20 | 苏州梦之捷焊接技术有限公司 | The syndeton of main shaft and dynamic iron core in stud welding gun |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202147084U (en) * | 2011-07-07 | 2012-02-22 | 张家港市安捷探伤焊割设备修造厂 | Arc stud welding gun |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2227118C3 (en) * | 1972-06-03 | 1979-03-08 | Wilhelm 2000 Hamburg Dinse | Inert gas welding gun with cooling by the inert gas |
| US5252802A (en) * | 1993-01-27 | 1993-10-12 | Trw Inc. | Apparatus for welding a stud to a workpiece |
| JP3687150B2 (en) * | 1995-05-17 | 2005-08-24 | 株式会社デンソー | Heat exchanger support device |
| CN200942452Y (en) * | 2006-07-18 | 2007-09-05 | 常州市金球焊割设备有限公司 | Stud welding gun |
| CN101376193A (en) * | 2008-08-19 | 2009-03-04 | 深圳市鸿栢科技实业有限公司 | Arc discharge type double-screw bolt welding gun |
| CN201799757U (en) * | 2010-08-24 | 2011-04-20 | 济南吉利汽车有限公司 | Stud welding gun with limit device |
-
2011
- 2011-07-07 CN CN 201110189068 patent/CN102310256B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202147084U (en) * | 2011-07-07 | 2012-02-22 | 张家港市安捷探伤焊割设备修造厂 | Arc stud welding gun |
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| CN102310256A (en) | 2012-01-11 |
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Granted publication date: 20130123 Termination date: 20140707 |
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| EXPY | Termination of patent right or utility model |