CN102672317A - Stud welding fixture - Google Patents
Stud welding fixture Download PDFInfo
- Publication number
- CN102672317A CN102672317A CN2012101925655A CN201210192565A CN102672317A CN 102672317 A CN102672317 A CN 102672317A CN 2012101925655 A CN2012101925655 A CN 2012101925655A CN 201210192565 A CN201210192565 A CN 201210192565A CN 102672317 A CN102672317 A CN 102672317A
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- China
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- spring
- iron cover
- collets
- copper
- stud welding
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Abstract
The invention discloses a stud welding fixture, which consists of an iron sleeve (1), and a copper support block (2), an insulation block (3), a spring (4) and a plug (5) which are arranged in the iron sleeve (1) sequentially from top to bottom. When the stud welding fixture is used, the copper support block is in tight fit with a sheet metal part clamped by a clamp under the action of the spring force of the spring; and after the sheet metal part is burned through in the process of welding a stud, parent metal and molten metal are fused again on the end face of the copper support block to form a new molten pool, so that the defect caused by burn-through is eliminated; the end face of the welded sheet metal part is flat and smooth, and the welding strength can meet the requirement of a process; and the quality of products is improved, the stability of stud welding is ensured, and the repair cost is reduced.
Description
Technical field
The invention belongs to the auxiliary equipment in the welding field, be specifically related to a kind of frock that is used for welding screw on sheet metal component.
Background technology
In the manufacture process of automobile body-in-white, adopted a variety of welding techniques, the wherein use of arc stud welding can make the welding screw of different model conveniently be soldered to the position of technological requirement.
Arc stud welding is a kind of welding method that between welding screw and sheet metal component, produces arc heat and exert pressure and make it to fuse together.During less than the thin sheet metal component of 1mm, be limited by the desired technological parameter of intensity at throat thickness, burn sheet metal component easily.When producing in batches, both influenced product quality after occurring burning, waste time and energy again when reprocessing.
Summary of the invention
Technical problem to be solved by this invention provides a kind of stud welding frock that after burning, can carry out the secondary fusion, to guarantee product quality, to reduce and reprocess cost.
For this reason, a kind of stud welding frock provided by the invention comprises the iron cover; And be installed in copper tray, collets, spring, the plug in the iron cover from top to bottom successively; Said copper tray is " ⊥ " shape round platform, and the enlarged diameter section that is somebody's turn to do " ⊥ " shape round platform is positioned at the port that iron overlaps, reduced diameter section passes the iron cover and extends to outside the iron cover, and the port diameter of said iron cover is less than diameter of bore; And the reduced diameter section of " ⊥ " shape round platform becomes axis hole to cooperate with the port of iron cover; Hold the copper tray through collets the upper end of spring, and the lower end of spring is through the plug supporting, and said plug cooperates with the iron external threading.
For ease of installing, and guarantee that spring and collets play can not take place in the iron cover, the bottom of said copper tray is provided with first cylindrical cavity that the confession collets stretch into, and the bottom of said collets is provided with second cylindrical cavity that the upper end of ammunition feed spring is stretched into.
Be preferably, said copper tray is processed by chromium pick copper product, and said collets are processed by bakelite.
Beneficial effect: this frock is through being provided with the copper supporting plate; After sheet metal component burns in the stud welding process; Mother metal can fuse into new molten bath at the end face of copper tray again with molten metal liquid; Eliminate owing to burn the defective that is caused, welding back sheet metal component end face is smooth smooth, and weld strength can satisfy technological requirement; Improved product quality, guaranteed the stability of stud welding, reduced and reprocess cost.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is an another kind of sketch map of the present invention.
Fig. 3 is the decomposing schematic representation of Fig. 2.
Fig. 4 is user mode figure of the present invention.
Fig. 5 is the A portion enlarged drawing of Fig. 4.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, the present invention is done further explain:
Stud welding frock as shown in Figure 1 is made up of iron cover 1, copper tray 2, collets 3, spring 4,5 five parts of plug.Copper tray 2, collets 3, spring 4, plug 5 are installed in the iron cover 1 from top to bottom successively.Copper tray 2 is " ⊥ " shape round platform; Enlarged diameter section that should " ⊥ " shape round platform is positioned at port that iron cover 1, reduced diameter section pass iron cover 1 and extends to iron and overlap outside 1; The port diameter of iron cover 1 is less than diameter of bore, and the reduced diameter section of " ⊥ " shape round platform becomes axis hole to cooperate with the port of iron cover 1.Hold copper tray 2 through collets 3 upper end of spring 4, and the lower end of spring 4 is through plug 5 supportings, and plug 5 overlaps 1 threaded engagement with iron, separates through collets 3 between copper tray 2 and the spring 4.
In conjunction with Fig. 2, shown in Figure 3, the bottom of copper tray 2 preferably is provided with the first cylindrical cavity 2a that supplies collets 3 to stretch into, and the bottom of copper tray 2 is provided with the second cylindrical cavity 2a that the upper end of ammunition feed spring 4 is stretched into.Collets 3 are packed in the first cylindrical cavity 2a of copper tray 2, and the upper end of spring 4 is stretched in the second cylindrical cavity 3a of collets 3.
Copper tray 2 heat-resisting and good conductivity can select for use materials processings such as chromium pick copper, tungsten copper to form, but tungsten copper chromium are higher than pick copper price; Collets 3 play the electric insulation effect, can prevent that the copper electrode of copper electrode 2 from shunting and burn spring 4, preferably select for use bakelite to process, and other material that can play electric insulation also can be selected for use.
In conjunction with Fig. 4, shown in Figure 5; This welding tooling is fixed through anchor clamps 8; The sheet metal component 6 of copper tray 2 under the spring power effect of spring 4 and after the clamp fits tightly together; Stud welding gun 7 welds on sheet metal component 6 and forms the molten bath, for the thin sheet metal component of wall thickness, can be new molten bath with the post forming on copper tray 2 of molten metal liquid burning the back mother metal.Metal liquid after this welding tooling can make and burn fuses at the end face of copper tray 2 again, eliminates owing to burn the defective that is caused, and welding back sheet metal component end face is smooth smooth, and weld strength can satisfy technological requirement.
Claims (3)
1. stud welding frock; It is characterized in that: comprise iron cover (1); And be installed in copper tray (2), collets (3), spring (4), the plug (5) in the iron cover (1) from top to bottom successively; Said copper tray (2) is " ⊥ " shape round platform, and enlarged diameter section that should " ⊥ " shape round platform is positioned at the port that iron cover (1), reduced diameter section pass iron cover (1) and extends to outside the iron cover (1), and the port diameter of said iron cover (1) is less than diameter of bore; And the reduced diameter section of " ⊥ " shape round platform becomes axis hole to cooperate with the port of iron cover (1); Hold copper tray (2) through collets (3) upper end of spring (4), and the lower end of spring (4) is through plug (5) supporting, said plug (5) and iron cover (1) threaded engagement.
2. according to the described stud welding frock of claim 1; It is characterized in that: the bottom of said copper tray (2) is provided with first cylindrical cavity (2a) that supplies collets (3) to stretch into, and the bottom of said collets (3) is provided with second cylindrical cavity (3a) that ammunition feed spring (4) upper end is stretched into.
3. according to claim 1 or 2 described stud welding frocks, it is characterized in that: said copper tray (2) is processed by chromium pick copper product, and said collets (3) are processed by bakelite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101925655A CN102672317A (en) | 2012-06-12 | 2012-06-12 | Stud welding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101925655A CN102672317A (en) | 2012-06-12 | 2012-06-12 | Stud welding fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102672317A true CN102672317A (en) | 2012-09-19 |
Family
ID=46805231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101925655A Pending CN102672317A (en) | 2012-06-12 | 2012-06-12 | Stud welding fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102672317A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4075453A (en) * | 1972-08-04 | 1978-02-21 | Paul Donald Roberts | Welding |
| US4556162A (en) * | 1984-04-17 | 1985-12-03 | The Babcock & Wilcox Company | Weld backup mechanism for internal pipe welding apparatus |
| US6386421B1 (en) * | 2001-04-05 | 2002-05-14 | Proline Pipe Equipment, Inc. | Actuation system for an internal backup ring assembly |
| JP2002144086A (en) * | 2000-11-07 | 2002-05-21 | Sumitomo Heavy Ind Ltd | Push-up device for backing welding |
| CN101829866A (en) * | 2009-03-13 | 2010-09-15 | 尹克芳 | Novel graphite slider-type circumferential soldering flux cushion |
| CN201645088U (en) * | 2010-03-12 | 2010-11-24 | 上海拖拉机内燃机有限公司 | Stud welding supporting fixture |
| CN202684295U (en) * | 2012-06-12 | 2013-01-23 | 力帆实业(集团)股份有限公司 | Tool for welding stud on sheet metal component |
-
2012
- 2012-06-12 CN CN2012101925655A patent/CN102672317A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4075453A (en) * | 1972-08-04 | 1978-02-21 | Paul Donald Roberts | Welding |
| US4556162A (en) * | 1984-04-17 | 1985-12-03 | The Babcock & Wilcox Company | Weld backup mechanism for internal pipe welding apparatus |
| JP2002144086A (en) * | 2000-11-07 | 2002-05-21 | Sumitomo Heavy Ind Ltd | Push-up device for backing welding |
| US6386421B1 (en) * | 2001-04-05 | 2002-05-14 | Proline Pipe Equipment, Inc. | Actuation system for an internal backup ring assembly |
| CN101829866A (en) * | 2009-03-13 | 2010-09-15 | 尹克芳 | Novel graphite slider-type circumferential soldering flux cushion |
| CN201645088U (en) * | 2010-03-12 | 2010-11-24 | 上海拖拉机内燃机有限公司 | Stud welding supporting fixture |
| CN202684295U (en) * | 2012-06-12 | 2013-01-23 | 力帆实业(集团)股份有限公司 | Tool for welding stud on sheet metal component |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120919 |