CN111805119A - Cylindrical plug-in welding structure and positioning method thereof - Google Patents
Cylindrical plug-in welding structure and positioning method thereof Download PDFInfo
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- CN111805119A CN111805119A CN202010653560.2A CN202010653560A CN111805119A CN 111805119 A CN111805119 A CN 111805119A CN 202010653560 A CN202010653560 A CN 202010653560A CN 111805119 A CN111805119 A CN 111805119A
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- welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
Abstract
The invention provides a cylindrical plug-in welding structure and a positioning method thereof, wherein the welding structure comprises a cylindrical plug-in welding piece and a welding piece, a welding hole is formed in the welding piece, a hob section for positioning in the welding hole is arranged at one end of the cylindrical plug-in welding piece, the outer diameter of a knurl of the hob section is in interference fit with the inner diameter of the welding hole, the accurate positioning of the cylindrical plug-in welding piece in the center position of the welding hole is realized, and the cylindrical plug-in welding structure has the advantages of convenience, rapidness and no need of additional positioning auxiliary devices. The positioning method comprises the following steps: A. b, inserting the cylindrical inserted weldment into a welding hole in the weldment by using the end with the hob section of the cylindrical inserted weldment, and realizing accurate positioning of the center position through a knurling structure of the cylindrical inserted weldment.
Description
Technical Field
The invention relates to the field of welding processing, in particular to a cylindrical plug-in welding structure and a positioning method thereof.
Background
One of the main influencing factors for the welding quality of the cylindrical plug-in welding structure is a welding gap, the maintenance of a reasonable gap in the welding process is a main measure for improving the welding quality, the existing pre-welding assembly positioning method comprises tool fixture positioning, fusion welding method positioning, rivet punching positioning and the like, and the existing welding positioning method cannot effectively overcome the process defects of uneven distribution of the welding gap and difficult centering of the cylindrical plug-in welding structure.
Disclosure of Invention
The invention aims to provide a cylindrical plug-in welding structure, which solves the problems of uneven distribution of welding gaps and difficult centering of the cylindrical plug-in welding structure.
The invention is realized by the following technical scheme:
the utility model provides a bayonet welded structure of cylindricality, includes cylindricality and inserts weldment and welding, be provided with the welding hole on the weldment, the one end that the cylindricality inserted the weldment is provided with the hobbing cutter section that is arranged in the welding hole location.
One end of the cylindrical inserted weldment is provided with the hob section, and the knurled outer diameter of the hob section is in interference fit with the inner diameter of the welding hole, so that the cylindrical inserted weldment is accurately positioned in the center of the welding hole, convenience and rapidness are achieved, and other positioning auxiliary devices are not needed.
Further, the length of the hob section in the axial direction is smaller than the depth of the welding hole.
Further, the cross section of the cylindrical insert weldment is circular or square.
Further, the positioning method of the cylindrical plug-in welding structure comprises the following steps:
A. machining a hob section at one end of the cylindrical insert weldment;
B. inserting one end of the cylindrical insertion weldment, which is provided with the hob section, into a welding hole on the weldment;
the operation is convenient, other positioning auxiliary tools are not needed, and the accurate positioning of the centering position is realized through the knurling structure of the self.
Further, the knurling of the hob section in the step A is of a standard m0.2GB/T6403.3 structure.
And furthermore, the assembly interference range of the knurled outer diameter of the hob section and the inner diameter of the welding hole in the step B is 0.02-0.05 mm.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. according to the invention, the hob section is arranged at one end of the cylindrical insertion weldment, and the knurled outer diameter of the hob section is in interference fit with the inner diameter of the welding hole, so that the cylindrical insertion weldment is accurately positioned at the center position of the welding hole, the positioning is convenient and fast, and other positioning auxiliary devices are not needed;
2. according to the invention, the accurate centering positioning before welding is realized by processing the hob section at one end of the cylindrical inserted welding part and then inserting the end of the cylindrical inserted welding part with the hob section into the welding hole on the welding part, so that the operation is convenient, other positioning auxiliary tools are not needed, and the accurate positioning of the centering position can be realized through the knurling structure of the cylindrical inserted welding part.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic view of a cylindrical insert weldment of the present invention.
FIG. 3 is a schematic structural view of a weldment of the present invention.
Reference numbers and corresponding part names in the drawings:
1-cylindrical insert weldment, 2-weldment, 11-hob section, and 21-weld hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following.
Example 1
As shown in fig. 1 to 3, a cylindrical insert welding structure comprises a cylindrical insert weldment 1 and a cylindrical insert weldment 2, wherein a welding hole 21 is formed in the cylindrical insert weldment 2, and a hob section 11 for positioning in the welding hole 21 is arranged at one end of the cylindrical insert weldment 1.
Through the one end at cylindricality insert weldment 1 set up hobbing cutter section 11, and the annular knurl external diameter of hobbing cutter section 11 and the internal diameter interference fit of welding hole 21 to realize that the cylindricality inserts the accurate positioning of weldment 1 in welding hole 21 central point and put, convenient and fast need not all the other positioning auxiliary device.
The length of the hob section 11 in the axial direction is smaller than the depth of the welding hole 21.
The cross section of the cylindrical insert weldment 1 is circular or square.
Example 2
Based on the embodiment 1, the positioning method of the cylindrical plug-in welding structure comprises the following steps:
A. a hob section 11 is machined at one end of the cylindrical insert weldment 1;
B. inserting one end of the cylindrical insertion weldment 1 with the hob section 11 into the welding hole 21 in an assembling mode of mechanical pressing or thermal expansion and cold contraction;
the operation is convenient, other positioning auxiliary tools are not needed, and the accurate positioning of the centering position is realized through the knurling structure of the self.
And B, knurling the hob section 11 in the step A to form a standard m0.2GB/T6403.3 structure.
And the assembly interference magnitude of the knurled outer diameter of the hob section 11 and the inner diameter of the welding hole 21 in the step B is 0.02-0.05 mm.
According to the cylindrical plug-in welding structure, the hob section 11 is arranged at one end of the cylindrical plug-in welding piece 1, and the knurled outer diameter of the hob section 11 is in interference fit with the inner diameter of the welding hole 21, so that the cylindrical plug-in welding piece 1 is accurately positioned at the central position of the welding hole 21, the cylindrical plug-in welding piece 1 is convenient and quick, other positioning and auxiliary devices are not needed, the hob section 11 is machined at one end of the cylindrical plug-in welding piece 1, then one end of the cylindrical plug-in welding piece 1, which is provided with the hob section 11, is inserted into the welding hole 21 in the welding piece 2, so that the accurate positioning of the central position before welding is realized, the operation is convenient, other positioning auxiliary tools are not needed, and the accurate positioning of the central position.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a bayonet welded structure of cylindricality, includes cylindricality and inserts weldment (1) and weldment (2), be provided with welding hole (21) on weldment (2), its characterized in that: one end of the cylindrical insert weldment (1) is provided with a hob section (11) for positioning in the welding hole (21).
2. A cylindrical plunge weld structure according to claim 1, characterized in that: the length of the hob section (11) in the axial direction is smaller than the depth of the welding hole (21).
3. A cylindrical plunge weld structure according to claim 1, characterized in that: the cross section of the cylindrical insert weldment (1) is circular or square.
4. A positioning method of a cylindrical plug-in welding structure based on any one of claims 1 to 3, characterized in that: the method comprises the following steps:
A. a hob section (11) is processed at one end of the cylindrical insert weldment (1);
B. one end of the cylindrical inserted weldment (1) with the hob section (11) is inserted into a welding hole (21) on the weldment (2), and the accurate positioning of the center position is realized through the knurling structure of the cylindrical inserted weldment.
5. The method of claim 4, wherein the positioning of the cylindrical plug-in weld structure comprises: and B, knurling the hob section (11) in the step A to form a standard m0.2GB/T6403.3 structure.
6. The method of claim 4, wherein the positioning of the cylindrical plug-in weld structure comprises: and B, the assembly interference range of the knurled outer diameter of the hob section (11) and the inner diameter of the welding hole (21) is 0.02-0.05 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010653560.2A CN111805119A (en) | 2020-07-08 | 2020-07-08 | Cylindrical plug-in welding structure and positioning method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010653560.2A CN111805119A (en) | 2020-07-08 | 2020-07-08 | Cylindrical plug-in welding structure and positioning method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111805119A true CN111805119A (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010653560.2A Pending CN111805119A (en) | 2020-07-08 | 2020-07-08 | Cylindrical plug-in welding structure and positioning method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277085A (en) * | 1999-06-09 | 2000-12-20 | 中西光学股份有限公司 | Reinforced connecting method for nickel-titanium alloy parts glasses |
| CN102500982A (en) * | 2011-11-09 | 2012-06-20 | 力帆实业(集团)股份有限公司 | Welding positioning fixture for fixed bolts |
| CN203725998U (en) * | 2014-03-21 | 2014-07-23 | 浙江三花股份有限公司 | Welding assembly and valve body |
| CN206764164U (en) * | 2017-05-25 | 2017-12-19 | 自贡金成硬质合金有限公司 | Rotary file blank uropore welding structure |
| CN108326460A (en) * | 2018-02-05 | 2018-07-27 | 吉林中意核管道制造有限公司 | A kind of stub (tube) welding method on Nuclear piping |
| CN109226990A (en) * | 2018-10-23 | 2019-01-18 | 中建钢构广东有限公司 | A kind of process using welding robot welding built-in fitting |
| CN109465560A (en) * | 2018-11-14 | 2019-03-15 | 中国航发动力股份有限公司 | A kind of docking coupon and its welding method for vacuum brazing |
-
2020
- 2020-07-08 CN CN202010653560.2A patent/CN111805119A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277085A (en) * | 1999-06-09 | 2000-12-20 | 中西光学股份有限公司 | Reinforced connecting method for nickel-titanium alloy parts glasses |
| CN102500982A (en) * | 2011-11-09 | 2012-06-20 | 力帆实业(集团)股份有限公司 | Welding positioning fixture for fixed bolts |
| CN203725998U (en) * | 2014-03-21 | 2014-07-23 | 浙江三花股份有限公司 | Welding assembly and valve body |
| CN206764164U (en) * | 2017-05-25 | 2017-12-19 | 自贡金成硬质合金有限公司 | Rotary file blank uropore welding structure |
| CN108326460A (en) * | 2018-02-05 | 2018-07-27 | 吉林中意核管道制造有限公司 | A kind of stub (tube) welding method on Nuclear piping |
| CN109226990A (en) * | 2018-10-23 | 2019-01-18 | 中建钢构广东有限公司 | A kind of process using welding robot welding built-in fitting |
| CN109465560A (en) * | 2018-11-14 | 2019-03-15 | 中国航发动力股份有限公司 | A kind of docking coupon and its welding method for vacuum brazing |
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Application publication date: 20201023 |