CN102310252B - Welding gun - Google Patents
Welding gun Download PDFInfo
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- CN102310252B CN102310252B CN 201110189070 CN201110189070A CN102310252B CN 102310252 B CN102310252 B CN 102310252B CN 201110189070 CN201110189070 CN 201110189070 CN 201110189070 A CN201110189070 A CN 201110189070A CN 102310252 B CN102310252 B CN 102310252B
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- welding gun
- armature
- fixed cover
- shaft assembly
- welding
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Abstract
The invention discloses a 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 shaft assembly is coaxially sleeved with a shaft sleeve, the outer edge of the shaft sleeve is provided with a positioning rod extending outwards, the gun shell is provided with a hole clamped with the positioning rod, the armature is in a cross shape, and the fixed sleeve is provided with a cross hole matched with the armature. The welding gun disclosed by the invention has a compact structure, and the welding operation is easy. The stud welding height can be easily adjusted. The axis of an electric conduction shaft is accurately positioned so as to ensure a stud to be perpendicular to a welding plate.
Description
Technical field
The present invention relates to a kind of 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.
The axial runout of traditional drawn-arc stud welding gun is larger, and double-screw bolt more easily favours welded plate, usually adopts soft hammer Butt welding gun to proofread and correct, but this method also needs repetition test, produces easily deviation.
Summary of the invention
The purpose of this invention is to provide a kind of welding gun, can be effectively with vertical being welded on the welded plate of double-screw bolt.
For achieving the above object, the invention provides a kind of 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, coaxial sleeve is provided with an axle sleeve on the described welding gun shaft assembly, 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, described armature is cross, offers the cross bore that is complementary with this armature on the fixed cover.
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, it comprises that also one is arranged on the locating piece on the rifle shell, 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, be provided with spring between described fixed cover and the described insulation sleeve.
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, the conductive shaft axial runout is little;
2, the axle center accurate positioning of conductive shaft guarantees that double-screw bolt and welded blank are perpendicular;
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 attached Fig. 1 and 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 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, coaxial sleeve is provided with an axle sleeve 9 on the described welding gun shaft assembly, be 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, described armature 8 is cross, offers the cross bore that is complementary with this armature 8 on the fixed cover 7.
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.
It comprises that also one is arranged on the locating piece 11 on the rifle shell 1, 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.
Be provided with spring 12 between described fixed cover 7 and the described insulation sleeve 5.
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 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 aluminium cover 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.
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.Flexible cable lighter weight, the frictional force that produces in sliding process are also just less.
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.
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, conductive shaft 3 axial runouts are little;
2, the axle center accurate positioning of conductive shaft 3 guarantees that double-screw bolt and welded blank are perpendicular;
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.
More than 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 revise 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 (3)
1. 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: coaxial sleeve is provided with an axle sleeve on the described welding gun shaft assembly, 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, described armature is cross, offer the cross bore that is complementary with this armature on the fixed cover, 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, on the axis that is centered close to described conductive shaft of described cross armature, described fixed cover is set on this criss-cross armature slidably, 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. welding gun according to claim 1, it is characterized in that: it comprises that also one is arranged on the locating piece on the rifle shell, 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. welding gun according to claim 1 is characterized in that: be provided with spring between described fixed cover and the described insulation sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110189070 CN102310252B (en) | 2011-07-07 | 2011-07-07 | Welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110189070 CN102310252B (en) | 2011-07-07 | 2011-07-07 | Welding gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102310252A CN102310252A (en) | 2012-01-11 |
| CN102310252B true CN102310252B (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110189070 Active CN102310252B (en) | 2011-07-07 | 2011-07-07 | Welding gun |
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| Country | Link |
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| CN (1) | CN102310252B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105364277B (en) * | 2014-08-06 | 2017-09-26 | 常州靓宇焊割有限公司 | Split type argon-arc welding gun electrode holder |
| CN104308341B (en) * | 2014-09-26 | 2016-02-03 | 苏州梦之捷焊接技术有限公司 | The drives structure of main shaft in stud welding gun |
| CN104308329B (en) * | 2014-09-26 | 2016-04-06 | 苏州梦之捷焊接技术有限公司 | Dynamic core structure with clutch linkage function in stud welding gun |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3100833A (en) * | 1961-01-03 | 1963-08-13 | Sksm Products Inc | Stud welding devices |
| 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 |
| CN201261101Y (en) * | 2008-08-19 | 2009-06-24 | 深圳市鸿栢科技实业有限公司 | Arc discharge type stud 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 |
| CN202147085U (en) * | 2011-07-07 | 2012-02-22 | 张家港市安捷探伤焊割设备修造厂 | Welding gun |
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2011
- 2011-07-07 CN CN 201110189070 patent/CN102310252B/en active Active
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| Publication number | Publication date |
|---|---|
| CN102310252A (en) | 2012-01-11 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Owner name: SUZHOU POWER SUPPLY CO., LTD. OF JIANGSU ELECTRIC Effective date: 20141128 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20141128 Address after: 215600, Suzhou, Jiangsu City, Zhangjiagang province Qiao Industrial Park North Zone Patentee after: Zhangjiagang Anjie Flaw Detection Welding Cutting Equipment Repairing Manufacturing Factory Patentee after: Suzhou Power Supply Co., Ltd. of Jiangsu Electric Power Company Address before: 215600, Suzhou, Jiangsu City, Zhangjiagang province Qiao Industrial Park North Zone Patentee before: Zhangjiagang Anjie Flaw Detection Welding Cutting Equipment Repairing Manufacturing Factory |