CN115415631B - Pinhole concentric welding tool and welding method - Google Patents

Pinhole concentric welding tool and welding method Download PDF

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Publication number
CN115415631B
CN115415631B CN202211145331.5A CN202211145331A CN115415631B CN 115415631 B CN115415631 B CN 115415631B CN 202211145331 A CN202211145331 A CN 202211145331A CN 115415631 B CN115415631 B CN 115415631B
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China
Prior art keywords
welding
shell
hole
tool
piece
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CN202211145331.5A
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Chinese (zh)
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CN115415631A (en
Inventor
王辉辉
苟琼
许怡
贾竞
陆欣
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Xian Elite Electronic Industrial Co Ltd
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Xian Elite Electronic Industrial Co Ltd
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Priority to CN202211145331.5A priority Critical patent/CN115415631B/en
Publication of CN115415631A publication Critical patent/CN115415631A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K3/00Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
    • B23K3/08Auxiliary devices therefor
    • B23K3/087Soldering or brazing jigs, fixtures or clamping means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K1/00Soldering, e.g. brazing, or unsoldering
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

A pinhole concentric welding tool and a welding method thereof comprise a tool shell, a welding shell and a welding piece driving assembly; one end of frock shell sets up inside the welding shell, has seted up axial through-hole in the frock shell, and welding piece drive assembly and welding piece all set up inside the frock shell, and welding piece drive assembly can promote the welding piece to the welding shell removal. The inner hole at the right end of the shell used by the tool is connected with the outer step in a matching way, so that the concentricity of the inner hole and the outer step can be ensured, and the spacer, the spring and the screw are arranged in the tool, so that the inner conductor can be automatically pushed into place by means of the elasticity of the spring when the inner conductor and the shell are melted by soldering tin. The problem of pinhole welding concentricity and welding failure can be realized by means of the tool.

Description

Pinhole concentric welding tool and welding method
Technical Field
The invention belongs to the technical field of pinhole welding, and particularly relates to a pinhole concentric welding tool and a welding method.
Background
The pinhole structure welding product needs to be filled with soldering tin in a pinhole gap during welding, so that the inner conductor cannot be guaranteed to be positioned at the center of an inner hole by virtue of the pinhole self structure, and after the soldering tin is melted, the inner conductor and the inner hole are not welded in place, and a right-end step of the inner conductor and the shell are not welded in place, so that the concentricity is poor.
Disclosure of Invention
The invention aims to provide a pinhole concentric welding tool and a welding method, which are used for solving the problem of poor concentricity of the existing welding mode.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a pinhole concentric welding tool comprises a tool shell, a welding shell and a welding piece driving assembly; one end of frock shell sets up inside the welding shell, has seted up axial through-hole in the frock shell, and welding piece drive assembly and welding piece all set up inside the frock shell, and welding piece drive assembly can promote the welding piece to the welding shell removal.
Further, the outer side of the tool shell is provided with an outer boss, the inner side of the welding shell is provided with an inner concave table, and the outer boss and the inner concave table are matched with each other.
Further, the pinhole concentric welding fixture according to claim, wherein the welding hole of the welding housing and the through hole of the fixture housing are coaxial; the welding piece can be inserted into the welding hole after moving; solder is filled in the welding holes of the welding shell.
Further, the through hole in the tool shell is divided into two sections, one section is provided with a welding piece driving component, and the other section is provided with a welding piece; the diameter of the through hole for arranging the welding piece driving component is larger than that of the through hole for arranging the welding piece.
Further, the welding piece driving assembly comprises a screw, an elastic piece and a spacer; the inner side of the through hole provided with the welding piece driving assembly is provided with threads, the spacer is arranged at the bottom of the through hole, the screws are connected with the threads in a matched manner, and the elastic piece is arranged between the screws and the spacer.
Further, the elastic element is a spring.
Further, the spacer can bear against the end of the weldment.
Further, a welding method of the pinhole concentric welding fixture comprises the following steps:
the welding piece is arranged in a hole of the tool shell, and then the tool shell is connected with the welding shell;
heating the soldering tin, melting the soldering tin in the soldering hole of the soldering shell, screwing the screw, pushing the elastic piece and the spacer to drive the soldering piece to move, and entering the center position of the soldering hole;
and stopping heating, and after the soldering tin is solidified, unscrewing the screw and taking down the tool.
Compared with the prior art, the invention has the following technical effects:
the inner hole at the right end of the shell used by the tool is connected with the outer step in a matching way, so that the concentricity of the inner hole and the outer step can be ensured, and the spacer, the spring and the screw are arranged in the tool, so that the inner conductor can be automatically pushed into place by means of the elasticity of the spring when the inner conductor and the shell are melted by soldering tin. The problem of pinhole welding concentricity and welding failure can be realized by means of the tool.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a diagram of a tooling structure according to the present invention.
Fig. 3 is a drawing of the background of the invention.
Wherein:
tool shell 1, welding shell 2, screw 3, elastic component 4, spacer 5.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
referring to fig. 1 to 2, a pinhole concentric welding fixture includes a fixture housing 1, a welding housing 2, and a weldment driving assembly; one end of the tool shell 1 is arranged inside the welding shell 2, an axial through hole is formed in the tool shell 1, and the welding piece driving assembly and the welding piece are arranged inside the tool shell 1 and can push the welding piece to move towards the welding shell.
The through hole in the tool shell 1 is divided into two sections, one section is provided with a welding piece driving component, and the other section is provided with a welding piece; the diameter of the through hole for arranging the welding piece driving component is larger than that of the through hole for arranging the welding piece.
The welding piece driving assembly comprises a screw 3, an elastic piece 4 and a spacer 5; the inner side of the through hole provided with the welding piece driving component is provided with threads, the spacer 5 is arranged at the bottom of the through hole, the screw 3 is connected with the threads in a matched manner, and the elastic piece 4 is arranged between the screw 3 and the spacer 5.
The tool with the structure can ensure concentricity of the inner conductor and the shell and the problem of welding in place. The inner hole at the right end of the shell and the outer step are formed by mechanical processing, so that concentricity of the inner hole and the outer step is ensured to be within 0.005, spacer blocks, springs and screws are arranged in the tool, and the inner conductor and the shell can be ensured to be automatically pushed into place by means of elasticity of the springs when soldering tin melts. The problem of pinhole welding concentricity and welding failure can be realized by means of the tool. As shown by the eccentricity problem at a in fig. 3.
Before the frock is used, in order to convenient operation, the inner conductor is installed in the hole at the right end of the frock now, then the frock is connected with the shell, and the welding is carried out after the connection is completed.
The tool with the structure is used on products with multiple models, and after welding, the problems of eccentric welding and insufficient welding between the inner conductor and the shell do not occur. And the operation is more convenient, and the welding consistency is also better.
Examples:
taking a welding piece as an inner conductor as an example:
one end of the tool shell 1 is arranged inside the welding shell 2, an axial through hole is formed in the tool shell 1, and the welding part driving assembly and the inner conductor are arranged inside the tool shell 1 and can push the inner conductor to move towards the welding shell.
The inner conductor is arranged in a hole of the tool shell, and then the tool shell is connected with the welding shell;
heating the soldering tin, melting the soldering tin in the soldering hole of the soldering shell, screwing the screw, pushing the elastic piece and the spacer to move the inner conductor rightwards, and entering the center position of the soldering hole;
and stopping heating, and after the soldering tin is solidified, unscrewing the screw and taking down the tool.

Claims (4)

1. The pinhole concentric welding tool is characterized by comprising a tool shell (1), a welding shell (2) and a welding piece driving assembly; one end of the tool shell (1) is arranged inside the welding shell (2), an axial through hole is formed in the tool shell (1), a welding piece driving assembly and a welding piece are both arranged inside the tool shell (1), and the welding piece driving assembly can push the welding piece to move towards the welding shell;
the through hole in the tool shell (1) is divided into two sections, one section is provided with a welding piece driving component, and the other section is provided with a welding piece; the diameter of the through hole for arranging the welding piece driving component is larger than that of the through hole for arranging the welding piece;
the welding piece driving assembly comprises a screw (3), an elastic piece (4) and a spacer block (5); the inner side of the through hole provided with the welding piece driving component is provided with threads, the spacer block (5) is arranged at the bottom of the through hole, the screw (3) is connected with the threads in a matching way, and the elastic piece (4) is arranged between the screw (3) and the spacer block (5);
an outer boss is arranged on the outer side of the tool shell (1), an inner concave table is arranged on the inner side of the welding shell (2), and the outer boss is matched with the inner concave table;
the welding hole of the welding shell (2) is coaxial with the through hole of the tool shell (1); the welding piece can be inserted into the welding hole after moving; solder is filled in the welding hole of the welding shell (2).
2. Pinhole concentric welding fixture according to claim 1, characterized in that the elastic element (4) is a spring.
3. A pinhole concentric welding fixture as claimed in claim 1, characterized in that the spacer (5) can be pushed against the end of the weld.
4. A welding method of a pinhole concentric welding fixture, characterized in that it is based on any one of claims 1 to 3, comprising the steps of:
the welding piece is arranged in a hole of the tool shell, and then the tool shell is connected with the welding shell;
heating the soldering tin, melting the soldering tin in the soldering hole of the soldering shell, screwing the screw, pushing the elastic piece and the spacer to drive the soldering piece to move, and entering the center position of the soldering hole;
and stopping heating, and after the soldering tin is solidified, unscrewing the screw and taking down the tool.
CN202211145331.5A 2022-09-20 2022-09-20 Pinhole concentric welding tool and welding method Active CN115415631B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211145331.5A CN115415631B (en) 2022-09-20 2022-09-20 Pinhole concentric welding tool and welding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211145331.5A CN115415631B (en) 2022-09-20 2022-09-20 Pinhole concentric welding tool and welding method

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CN115415631A CN115415631A (en) 2022-12-02
CN115415631B true CN115415631B (en) 2023-08-25

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104246113A (en) * 2011-12-09 2014-12-24 贝克休斯公司 Positioning system and method for automated alignment and connection of components
CN204397125U (en) * 2015-01-12 2015-06-17 中国电子科技集团公司第二十九研究所 A kind of radio frequency (RF) coaxial connector insulator welding tooling
CN206982081U (en) * 2017-07-20 2018-02-09 宁夏晶立方光电应用科技有限公司 Axiality welding jigs and fixtures
CN110303278A (en) * 2019-07-08 2019-10-08 四川科新机电股份有限公司 A kind of the group to point mounted welder and group to point soldering method of tube-tube plate internal bore welding
CN215034839U (en) * 2021-04-30 2021-12-07 江苏讯丞机械有限公司 Auxiliary device for welding silencer
CN215699405U (en) * 2021-09-16 2022-02-01 中国化学工程第十三建设有限公司 Petrochemical pipeline installation welding auxiliary structure
CN216541477U (en) * 2021-12-29 2022-05-17 常州闻拓医疗器械有限公司 Device convenient to welding elastic positioning needle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104246113A (en) * 2011-12-09 2014-12-24 贝克休斯公司 Positioning system and method for automated alignment and connection of components
CN204397125U (en) * 2015-01-12 2015-06-17 中国电子科技集团公司第二十九研究所 A kind of radio frequency (RF) coaxial connector insulator welding tooling
CN206982081U (en) * 2017-07-20 2018-02-09 宁夏晶立方光电应用科技有限公司 Axiality welding jigs and fixtures
CN110303278A (en) * 2019-07-08 2019-10-08 四川科新机电股份有限公司 A kind of the group to point mounted welder and group to point soldering method of tube-tube plate internal bore welding
CN215034839U (en) * 2021-04-30 2021-12-07 江苏讯丞机械有限公司 Auxiliary device for welding silencer
CN215699405U (en) * 2021-09-16 2022-02-01 中国化学工程第十三建设有限公司 Petrochemical pipeline installation welding auxiliary structure
CN216541477U (en) * 2021-12-29 2022-05-17 常州闻拓医疗器械有限公司 Device convenient to welding elastic positioning needle

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