CN113695724A - Stop tongue piece welding device and welding method thereof - Google Patents
Stop tongue piece welding device and welding method thereof Download PDFInfo
- Publication number
- CN113695724A CN113695724A CN202110924167.7A CN202110924167A CN113695724A CN 113695724 A CN113695724 A CN 113695724A CN 202110924167 A CN202110924167 A CN 202110924167A CN 113695724 A CN113695724 A CN 113695724A
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- China
- Prior art keywords
- welding
- tongue piece
- stop tongue
- electrode
- base
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Classifications
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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
- B23K11/00—Resistance welding; Severing by resistance heating
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/31—Electrode holders and actuating devices therefor
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
Abstract
The invention relates to a stop tongue welding device and a welding method thereof, wherein the welding device comprises an upper electrode and a lower electrode, the lower electrode is matched with a base, the lower electrode is provided with a shell matched with the stop tongue, the upper electrode is provided with an outer cone tightly matched with the surface of a solder resist machine, the lower electrode is provided with a chute for storing the stop tongue, a positioning block for limiting the position of the stop tongue is arranged in the chute in a sliding manner, and a boss which is abutted against the position of the stop tongue to focus welding energy is also arranged in the chute. According to the invention, the positioning block and the boss are utilized to limit the position of the stop tongue piece, so that an operator is responsible for clamping the part, the labor amount is reduced, the stability and reliability of a product are improved, and the welding size consistency of the stop tongue piece is good; the invention replaces the traditional argon arc welding, and has small welding heat affected area and small deformation after welding.
Description
Technical Field
The invention relates to the field of aerospace manufacturing, in particular to a stop tongue piece welding device and a stop tongue piece welding method.
Background
At present, argon arc welding is mainly adopted, a phi 1-phi 2 hole is drilled on the outer surface of a shell, a 90-degree paving port is formed in an orifice, and a welding wire is melted into a molten pool formed by liquid state by high current, so that a stop tongue piece and the shell are organically combined. Because the heat affected zone is big, the cold and hot phase difference of welding frock is great, and the product assembly degree of difficulty is big and the welding size is unstable. The large heat affected zone causes part deformation, reduced hardness, sand hole, local annealing, excessive internal stress and other defects, and affects the binding force and reliability between the locking tongue piece and the shell. Therefore, a stop tongue welding device and a welding method thereof are designed to solve the problems.
Disclosure of Invention
In order to solve the technical problem, the invention provides a stop tongue piece welding device and a welding method thereof. The technical problem to be solved by the invention is realized by adopting the following technical scheme:
the utility model provides a locking tongue piece welding set, includes upper electrode and bottom electrode, the bottom electrode cooperation has the base, the bottom electrode be equipped with locking tongue piece matched with shell, be equipped with on the upper electrode with hinder the outer awl that welds the machine surface and closely cooperate, be equipped with the spout of depositing the locking tongue piece on the bottom electrode, slidable mounting has the locating piece of injecing the locking tongue piece position in the spout, still be equipped with in the spout and close the boss with the locking tongue piece position with focus welding energy.
The positioning block is provided with a waist-shaped groove for adjusting the positioning position of the stop tongue piece, and a fixing bolt which is in threaded fit with the lower electrode to lock the position of the positioning block is arranged in the waist-shaped groove.
The top end of the upper electrode is provided with an arc surface which is matched with the stop tongue piece in a form-fitting manner so as to ensure stable welding.
The base comprises an upper base and a lower base, semicircular surfaces matched with the lower electrode are arranged on the upper base and the lower base, and a locking bolt for adjusting the distance between the upper base and the lower base to lock the lower electrode is arranged between the upper base and the lower base.
A method of welding a stop tab, the method comprising the steps of:
the first step is as follows: placing the positioning block in the sliding groove, adjusting the positioning block to a corresponding position, and then locking the positioning block through a fixing bolt;
the second step is that: assembling the upper base and the lower base by using a locking bolt, then inserting the lower electrode into the semicircular surface and screwing the locking bolt;
the third step: respectively connecting the upper electrode and the base with welding, adjusting the coaxial distribution of the cambered surface and the boss, and adjusting the axis of the lower electrode to the middle position of the upper electrode in the resistance welding machine;
the fourth step: machine tooling parameter is hindered in the adjustment, and electrode pressure 3 ~ 5KN, welding current 4500 ~ 6000A, pressurization time: 0.36-0.56 second, welding cycle number: 0.02 second and welding time of 0.2-0.44 second;
the fifth step: installing the stop tongue piece in the chute, enabling the stop tongue piece to be distributed and abutted to the boss and the positioning block, installing the shell on the lower electrode, and starting a welding resistance machine to weld the stop tongue piece;
and a sixth step: and (5) checking the welding quality, and detecting whether the torque reaches the standard after the stop tongue piece is welded by using a torque wrench.
In the sixth step, the depth of the welding indentation is not more than 0.1mm, and the false external crack is detected by utilizing X-ray.
The invention has the beneficial effects that: according to the invention, the positioning block and the boss are utilized to limit the position of the stop tongue piece, so that an operator is responsible for clamping the part, the labor amount is reduced, the stability and reliability of a product are improved, and the welding size consistency of the stop tongue piece is good; the invention replaces the traditional argon arc welding, and has small welding heat affected area and small deformation after welding.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a first schematic perspective view of a lower electrode according to the present invention;
FIG. 3 is a schematic perspective view of a second embodiment of the lower electrode of the present invention;
FIG. 4 is a schematic perspective view of the upper electrode of the present invention;
fig. 5 is a schematic perspective view of a positioning block of the present invention.
Shown in the figure: 1. an upper electrode; 2. a lower electrode; 3. a base; 4. positioning blocks; 5. a housing; 6. (ii) a 101. An outer conical surface; 102. a cambered surface; 201. a chute; 202. a threaded hole; 203. a boss; 204. an annular groove; 2011. a positioning block mounting section; 2012. a locking tongue mounting section; 301. an upper base; 302. a lower base; 303. a semicircular surface; 304. locking the bolt; 401. a waist-shaped groove; 402. and (5) fixing the bolt.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be described more clearly and more completely with reference to the drawings in the following embodiments, and it is understood that the described embodiments are only a part of the present invention, rather than all of the present invention, and based on the embodiments, other embodiments obtained by those skilled in the art without inventive exercise are within the protection scope of the present invention.
As shown in fig. 1 to 5, a stop tongue welding device includes an upper electrode 1 and a lower electrode 2, the lower electrode 2 is matched with a base 3, the lower electrode 2 is provided with a housing 5 matched with a stop tongue, the upper electrode 1 is provided with an outer conical surface 101 tightly matched with the surface of a solder mask, the lower electrode 2 is provided with a chute 201 for storing the stop tongue, a positioning block 4 for limiting the position of the stop tongue is slidably mounted in the chute 201, and a boss 203 which is abutted with the position of the stop tongue to focus welding energy is further disposed in the chute 201; the sliding chute 201 is divided into two sections along the axial direction of the lower electrode 2, and comprises a positioning block mounting section 2011 and a stop tongue mounting section 2012, wherein the width of the stop tongue mounting section 2012 is smaller than that of the positioning block mounting section 2011 so as to ensure the stability of the mounting of the positioning block 4 and facilitate the adjustment of the position of the positioning block 4, and simultaneously ensure that the positioning reference of the positioning block 4 is in contact with the stop tongue; the lower electrode 2 is provided with an annular groove 204 for placing a shell, and the upper electrode 1 and the lower electrode 2 are matched to weld a stop tongue piece 6 on the shell 5, as shown in fig. 2.
A waist-shaped groove 401 for adjusting the positioning position of the stop tongue is arranged on the positioning block 4, and a fixing bolt 402 which is in threaded fit with the lower electrode 2 to lock the position of the positioning block 4 is arranged in the waist-shaped groove 401; a threaded hole 202 in threaded fit with the fixing bolt 402 is formed in the positioning block mounting section 2011 of the sliding groove 201; the positioning block 4 is placed into the positioning block mounting section 2011, the fixing bolt 402 penetrates through the waist-shaped groove 401 and is screwed into the threaded hole 202, then the positioning block 4 is adjusted to a proper position, the fixing bolt 402 is screwed to lock the position of the positioning block 4, the stop tongue piece is placed into the stop tongue piece mounting section 2012, the distribution of the stop tongue piece is abutted to the positioning block 4 and the boss 203, and the position of the stop tongue piece is locked after the shell 5 is buckled.
The top end of the upper electrode 1 is provided with a cambered surface 102 which is matched with the stop tongue piece in a form-fitting manner so as to ensure stable welding; the cambered surface 102 is of a conformal design, so that the stability during welding is ensured.
The base 3 comprises an upper base 301 and a lower base 302, the upper base 301 and the lower base 302 are both provided with a semicircular surface 303 matched with the lower electrode 2, and a locking bolt 304 for adjusting the distance between the upper base 301 and the lower base 302 to lock the lower electrode 2 is arranged between the upper base 301 and the lower base 302.
A method of welding a stop tab, the method comprising the steps of:
the first step is as follows: placing the positioning block 4 in the chute 201 and adjusting to a corresponding position, and then locking the positioning block 4 by the fixing bolt 402;
the second step is that: assembling the upper base 301 and the lower base 302 by using a locking bolt 304, and then inserting the lower electrode 2 into the semicircular surface 303 and tightening the locking bolt 304;
the third step: respectively connecting the upper electrode 1 and the base 3, adjusting the coaxial distribution of the cambered surface 102 and the boss 203, and adjusting the axis of the lower electrode 2 to the middle position of the upper electrode 1 in the solder resist machine; replacing the traditional argon arc welding machine with a resistance welding machine; the cambered surface 102 and the boss 203 are adjusted to be coaxially distributed to avoid the formation of pit inclination on the plane of the stop tongue after welding;
the fourth step: machine tooling parameter is hindered in the adjustment, and electrode pressure 3 ~ 5KN, welding current 4500 ~ 6000A, pressurization time: 0.36-0.56 second, welding cycle number: 0.02 second and welding time of 0.2-0.44 second;
the fifth step: installing the stop tongue piece in the chute 201 and enabling the stop tongue piece to be distributed and abutted to the boss 203 and the positioning block 4, installing the shell on the lower electrode 2, and starting a welding resistance machine to weld the stop tongue piece;
and a sixth step: checking the welding quality, and detecting whether the torque reaches the standard after the stop tongue piece is welded by using a torque wrench; when the torque is detected, the torque is not less than 10 Nm, if the torque cannot be detected, the assembly needs to bear the dynamic seal rotating at a high speed in work, the stop tongue piece is twisted off, the effect of fixing the seal ring cannot be achieved, and the seal fails.
In the sixth step, the depth of the welding indentation is not more than 0.1mm, and the wrong external crack is detected by utilizing X-ray; and detecting whether the welding weld pool has welding defects by X-ray.
In the invention, firstly, the upper base 301 and the lower base 302 are assembled by the locking bolt 304, then the lower electrode 2 is placed in the semicircular surface 303 and the locking bolt 304 is screwed, then the positioning block 4 is placed in the positioning block mounting section 2011, the fixing bolt 402 is screwed into the threaded hole 202 through the waist-shaped groove 401, then the positioning block 4 is adjusted to a proper position, the position of the positioning block 4 is locked by screwing the fixing bolt 402, the stop tongue piece is placed in the stop tongue piece mounting section 2012, then the shell 5 is placed in the lower electrode 2, finally the upper electrode 1 and the lower electrode 2 are connected to a welding resistance machine, and the positions of the upper electrode 1 and the lower electrode 2 are adjusted and welded.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a locking tongue piece welding set, includes upper electrode (1) and bottom electrode (2), bottom electrode (2) cooperation has base (3), bottom electrode (2) are equipped with shell (5) with locking tongue piece matched with, its characterized in that: the upper electrode (1) is provided with an outer conical surface (101) which is closely matched with the surface of the solder resist machine, the lower electrode (2) is provided with a sliding groove (201) for storing the stop tongue piece, a positioning block (4) for limiting the position of the stop tongue piece is arranged in the sliding groove (201) in a sliding mode, and a boss (203) which is abutted to the position of the stop tongue piece to focus welding energy is further arranged in the sliding groove (201).
2. A stop tab welding device according to claim 1, wherein: the positioning block (4) is provided with a waist-shaped groove (401) for adjusting the positioning position of the stop tongue piece, and a fixing bolt (402) which is in threaded fit with the lower electrode (2) to lock the position of the positioning block (4) is arranged in the waist-shaped groove (401).
3. A stop tab welding device according to claim 1, wherein: the top end of the upper electrode (1) is provided with an arc surface (102) which is matched with the stop tongue piece in a form-fitting manner so as to ensure stable welding.
4. A stop tab welding device according to claim 1, wherein: the electrode assembly is characterized in that the base (3) comprises an upper base (301) and a lower base (302), semicircular surfaces (303) matched with the lower electrode (2) are arranged on the upper base (301) and the lower base (302), and a locking bolt (304) for adjusting the distance between the upper base (301) and the lower base (302) to lock the lower electrode (2) is arranged between the upper base (301) and the lower base (302).
5. Welding method using a stop tongue welding device according to any one of claims 1 to 4, characterized in that: the method comprises the following steps:
the first step is as follows: placing the positioning block (4) in the sliding groove (201) and adjusting to a corresponding position, and then locking the positioning block (4) through a fixing bolt (402);
the second step is that: assembling the upper base (301) and the lower base (302) by using a locking bolt (304), then inserting the lower electrode (2) into the semicircular surface (303) and screwing the locking bolt (304);
the third step: respectively connecting the upper electrode (1) and the base (3) with welding, adjusting the coaxial distribution of the cambered surface (102) and the boss (203), and adjusting the axis of the lower electrode (2) to the middle position of the upper electrode (1) in the resistance welding machine;
the fourth step: machine tooling parameter is hindered in the adjustment, and electrode pressure 3 ~ 5KN, welding current 4500 ~ 6000A, pressurization time: 0.36-0.56 second, welding cycle number: 0.02 second and welding time of 0.2-0.44 second;
the fifth step: installing the stop tongue piece in the chute (201) and enabling the stop tongue piece to be in abutting fit with the boss (203) and the positioning block (4) in a distributed mode, installing the shell on the lower electrode (2), and starting a welding resistance machine to weld the stop tongue piece;
and a sixth step: and (5) checking the welding quality, and detecting whether the torque reaches the standard after the stop tongue piece is welded by using a torque wrench.
6. The welding method according to claim 5, characterized in that: in the sixth step, the depth of the welding indentation is not more than 0.1mm, and the false external crack is detected by utilizing X-ray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110924167.7A CN113695724B (en) | 2021-08-12 | 2021-08-12 | Stop tongue piece welding device and welding method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110924167.7A CN113695724B (en) | 2021-08-12 | 2021-08-12 | Stop tongue piece welding device and welding method thereof |
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| Publication Number | Publication Date |
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| CN113695724A true CN113695724A (en) | 2021-11-26 |
| CN113695724B CN113695724B (en) | 2022-09-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115319255A (en) * | 2022-08-30 | 2022-11-11 | 湖北超卓航空科技股份有限公司 | Curved surface positioning clamping electrode, welding method and spot welding machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006068257A1 (en) * | 2004-12-24 | 2006-06-29 | Honda Motor Co., Ltd. | Electrode tip holder, welding method, and electrode tip adjusting device |
| CN105583513A (en) * | 2016-03-21 | 2016-05-18 | 南京大盛汽车部件有限公司 | Electrode tip structure of spot welding machine |
| CN107116291A (en) * | 2016-02-25 | 2017-09-01 | 株式会社日毛机械制作所 | Welder |
| CN107538120A (en) * | 2016-06-23 | 2018-01-05 | 上海安莱德汽车零部件有限公司 | A kind of electrode assembly for automobile hand brake cover plate projection welding |
| CN108526671A (en) * | 2018-05-30 | 2018-09-14 | 成都华川电装有限责任公司 | The pawl pole rotor of generator and the welding tooling of fan |
| CN211465154U (en) * | 2019-11-25 | 2020-09-11 | 天津天德减震器有限公司 | Metal workpiece welding positioning tool |
| CN111761187A (en) * | 2020-06-10 | 2020-10-13 | 中国航发北京航科发动机控制系统科技有限公司 | Spot welding clamping device enabling current to flow through designated conductive contact section in concentrated mode |
| CN212945996U (en) * | 2020-06-22 | 2021-04-13 | 重庆百能达普什汽车零部件有限责任公司 | Resistance bump welding positioning mechanism |
-
2021
- 2021-08-12 CN CN202110924167.7A patent/CN113695724B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006068257A1 (en) * | 2004-12-24 | 2006-06-29 | Honda Motor Co., Ltd. | Electrode tip holder, welding method, and electrode tip adjusting device |
| CN107116291A (en) * | 2016-02-25 | 2017-09-01 | 株式会社日毛机械制作所 | Welder |
| CN105583513A (en) * | 2016-03-21 | 2016-05-18 | 南京大盛汽车部件有限公司 | Electrode tip structure of spot welding machine |
| CN107538120A (en) * | 2016-06-23 | 2018-01-05 | 上海安莱德汽车零部件有限公司 | A kind of electrode assembly for automobile hand brake cover plate projection welding |
| CN108526671A (en) * | 2018-05-30 | 2018-09-14 | 成都华川电装有限责任公司 | The pawl pole rotor of generator and the welding tooling of fan |
| CN211465154U (en) * | 2019-11-25 | 2020-09-11 | 天津天德减震器有限公司 | Metal workpiece welding positioning tool |
| CN111761187A (en) * | 2020-06-10 | 2020-10-13 | 中国航发北京航科发动机控制系统科技有限公司 | Spot welding clamping device enabling current to flow through designated conductive contact section in concentrated mode |
| CN212945996U (en) * | 2020-06-22 | 2021-04-13 | 重庆百能达普什汽车零部件有限责任公司 | Resistance bump welding positioning mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115319255A (en) * | 2022-08-30 | 2022-11-11 | 湖北超卓航空科技股份有限公司 | Curved surface positioning clamping electrode, welding method and spot welding machine |
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| CN113695724B (en) | 2022-09-20 |
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