CN103056571B - Welding method for plate spring mounting casing pipe and positioning tool - Google Patents
Welding method for plate spring mounting casing pipe and positioning tool Download PDFInfo
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- CN103056571B CN103056571B CN201110322621.8A CN201110322621A CN103056571B CN 103056571 B CN103056571 B CN 103056571B CN 201110322621 A CN201110322621 A CN 201110322621A CN 103056571 B CN103056571 B CN 103056571B
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- alignment pin
- spring mounting
- leaf spring
- mounting sleeve
- positioning tool
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Abstract
The invention provides a welding method for a plate spring mounting casing pipe and a positioning tool. The welding method comprises that an inner plate and an outer plate of a car frame longitudinal beam are fixedly welded, correction is carried out on a car frame longitudinal beam assembly to eliminate welding deformation, and the plate spring mounting casing pipe is fixedly welded on the inner plate. According to the welding method for the plate spring mounting casing pipe and the positioning tool, welding process sequences are changed, the correction and positioning processes are added, and therefore welding dimension precision of the car frame longitudinal beam is improved, and welding deformation is reduced.
Description
Technical field
The present invention relates to auto manufacturing technology, particularly relate to a kind of welding method and positioning tool of leaf spring mounting sleeve.
Background technology
Automobile frame generally comprises crossbeam and longeron, longeron is provided with leaf spring mounting sleeve, and this sleeve pipe is mutually socketed with the central siphon that leaf spring is arranged and coordinates, with by leaf spring location and installation on longeron.
Longeron is welded by inner panel and outside plate usually, and existing welding method is first weldingly fixed on inner panel on the face of cylinder of leaf spring mounting sleeve, then inner panel and outside plate are welded and fixed.
Because in inside and outside plate welding process, weld seam is longer, inevitably there is sweating heat distortion, therefore can cause the defect that the positional precision of leaf spring mounting sleeve is low, affect follow-up leaf spring and install.
Summary of the invention
The invention provides a kind of welding method and positioning tool of leaf spring mounting sleeve, to solve the low defect of existing welding method precision, ensure welding quality, enhance productivity.
The invention provides a kind of welding method of leaf spring mounting sleeve, wherein, comprising:
The inner panel of longitudinal beam and outside plate are welded and fixed;
Longitudinal beam assembly is corrected, to eliminate welding deformation;
Leaf spring mounting sleeve is socketed on the alignment pin of positioning tool;
Alignment pin is fixedly mounted on the locating piece of positioning tool;
Again leaf spring mounting sleeve and described inner plate welding are fixed.
Present invention also offers a kind of positioning tool, wherein, comprising:
Brace table;
Two locating pieces, are fixedly installed on described brace table symmetrically;
Alignment pin, for carrying out socket location to described leaf spring mounting sleeve, the two ends of described alignment pin are fixedly connected with described locating piece is dismountable.
The welding method of leaf spring mounting sleeve provided by the invention and positioning tool pass through the change of welding procedure order, and increase correction and positioning process, improve the weld size precision of longitudinal beam, reduce welding deformation.
Accompanying drawing explanation
The welding method schematic flow sheet of the leaf spring mounting sleeve that Fig. 1 provides for the embodiment of the present invention.
The positioning tool structural representation that Fig. 2 provides for the embodiment of the present invention.
Reference numeral:
1-leaf spring mounting sleeve; 2-brace table; 3-locating piece;
4-alignment pin; The secondary alignment pin of 5-.
Detailed description of the invention
The welding method schematic flow sheet of the leaf spring mounting sleeve that Fig. 1 provides for the embodiment of the present invention, embodiments provides a kind of welding method of leaf spring mounting sleeve, wherein, comprises the steps:
Step 110, the inner panel of longitudinal beam and outside plate to be welded and fixed;
Step 120, longitudinal beam assembly to be corrected, to eliminate welding deformation;
Step 130, leaf spring mounting sleeve is socketed on the alignment pin of positioning tool;
Step 140, alignment pin is fixedly mounted on the locating piece of positioning tool;
Step 150, again leaf spring mounting sleeve and inner plate welding to be fixed.
In the present embodiment, due to inner panel and outside plate welding capacity large, cause welding deformation serious, so carry out correction shaping after inner panel has welded with outside plate, by shaping, dimensional accuracy is met the requirements, then leaf spring mounting sleeve is weldingly fixed on inner panel, because the size of leaf spring mounting sleeve is little, welding job amount is also corresponding very little, so micro-strain now can not affect the dimensional accuracy of final workpiece assembly.
The positioning tool structural representation that Fig. 2 provides for the embodiment of the present invention, the embodiment of the present invention additionally provides a kind of positioning tool, and as shown in Figure 2, comprising brace table 2, two locating pieces 3 and alignment pin 4, locating piece 3 is fixedly installed on brace table 2 symmetrically; Alignment pin 4 is for carrying out socket location to leaf spring mounting sleeve 1, the two ends of this alignment pin 4 are fixedly connected with locating piece 3 is dismountable.
Preferably, alignment pin 4 is set to ladder shaft-like, and taper end axle and the leaf spring mounting sleeve 1 of this ladder shaft-like alignment pin 4 are socketed location mutually, utilizes the position of stair-stepping end face to leaf spring mounting sleeve 1 to be fixed.
Further, the two ends of alignment pin 4 are dismountable is respectively inserted with secondary alignment pin 5, this secondary alignment pin 5 coordinates with locating piece 3 grafting, to realize being fixedly connected with of alignment pin 4 and locating piece 3, after welding completes, after pulling down secondary alignment pin 5, the total member of welding and alignment pin 4 together can be taken off, finally alignment pin 4 be taken out.
The welding method of the leaf spring mounting sleeve that the embodiment of the present invention provides improves the weld size precision of longitudinal beam by the change of welding procedure order, reduce welding deformation.Utilize the alignment pin of positioning tool to position leaf spring mounting sleeve, improve the weld size precision of leaf spring mounting sleeve.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (2)
1. a welding method for leaf spring mounting sleeve, is characterized in that, comprising:
The inner panel of longitudinal beam and outside plate are welded and fixed;
Longitudinal beam assembly is corrected, to eliminate welding deformation;
Leaf spring mounting sleeve (1) is socketed on the alignment pin (4) of positioning tool;
Alignment pin (4) is fixedly mounted on the locating piece (3) of positioning tool;
Again leaf spring mounting sleeve (1) and described inner plate welding are fixed.
2. be applied to a positioning tool for welding method according to claim 1, it is characterized in that, comprising:
Brace table (2);
Two locating pieces (3), are fixedly installed on described brace table (2) symmetrically;
Alignment pin (4), for carrying out socket location to described leaf spring mounting sleeve (1), the two ends of described alignment pin (4) are fixedly connected with described locating piece (3) is dismountable;
Described alignment pin (4) is ladder shaft-like, and taper end axle and the described leaf spring mounting sleeve (1) of described ladder shaft-like alignment pin (4) are socketed location mutually;
The two ends of described alignment pin (4) are dismountable is respectively inserted with secondary alignment pin (5), described secondary alignment pin (5) coordinates with described locating piece (3) grafting, to realize being fixedly connected with of described alignment pin (4) and described locating piece (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110322621.8A CN103056571B (en) | 2011-10-21 | 2011-10-21 | Welding method for plate spring mounting casing pipe and positioning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110322621.8A CN103056571B (en) | 2011-10-21 | 2011-10-21 | Welding method for plate spring mounting casing pipe and positioning tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103056571A CN103056571A (en) | 2013-04-24 |
| CN103056571B true CN103056571B (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110322621.8A Active CN103056571B (en) | 2011-10-21 | 2011-10-21 | Welding method for plate spring mounting casing pipe and positioning tool |
Country Status (1)
| Country | Link |
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| CN (1) | CN103056571B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108115298A (en) * | 2017-12-15 | 2018-06-05 | 四川建安工业有限责任公司 | For the designing and manufacturing technique of car rear overhang class subframe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1355420A1 (en) * | 1985-09-17 | 1987-11-30 | Проектно-Конструкторский Технологический Институт Всесоюзного Промышленного Объединения Союзуглемаша | Device for retaining and urging parts |
| CN2894921Y (en) * | 2006-01-24 | 2007-05-02 | 庄添财 | Upper beam pipe welding clamp |
| CN101862927A (en) * | 2010-06-04 | 2010-10-20 | 天津理工大学 | Automatic welding machine for automobile main beams |
| CN201720646U (en) * | 2010-06-18 | 2011-01-26 | 衡阳风顺车桥有限公司 | Spot-welding jig for accessories of single shaft tube on rear axle of automobile chassis |
-
2011
- 2011-10-21 CN CN201110322621.8A patent/CN103056571B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1355420A1 (en) * | 1985-09-17 | 1987-11-30 | Проектно-Конструкторский Технологический Институт Всесоюзного Промышленного Объединения Союзуглемаша | Device for retaining and urging parts |
| CN2894921Y (en) * | 2006-01-24 | 2007-05-02 | 庄添财 | Upper beam pipe welding clamp |
| CN101862927A (en) * | 2010-06-04 | 2010-10-20 | 天津理工大学 | Automatic welding machine for automobile main beams |
| CN201720646U (en) * | 2010-06-18 | 2011-01-26 | 衡阳风顺车桥有限公司 | Spot-welding jig for accessories of single shaft tube on rear axle of automobile chassis |
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| Publication number | Publication date |
|---|---|
| CN103056571A (en) | 2013-04-24 |
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