CN114043060B - Resistance spot welding positioning tool for threaded part and plate - Google Patents
Resistance spot welding positioning tool for threaded part and plate Download PDFInfo
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- CN114043060B CN114043060B CN202111518418.8A CN202111518418A CN114043060B CN 114043060 B CN114043060 B CN 114043060B CN 202111518418 A CN202111518418 A CN 202111518418A CN 114043060 B CN114043060 B CN 114043060B
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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
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
- B23K11/115—Spot welding by means of two electrodes placed opposite one another on both sides of the welded parts
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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
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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- Optics & Photonics (AREA)
- Resistance Welding (AREA)
Abstract
The invention provides a resistance spot welding positioning tool for a threaded part and a plate, which comprises a first conductive part, an insulating positioning part and a second conductive part, wherein the first conductive part is used for contacting with an upper electrode of a resistance spot welding gun; the insulating positioning element is arranged on the second conductive element and used for being in contact with the threaded element and positioning the threaded element, the second conductive element is used for being in contact with the lower electrode of the resistance spot welding gun, and the threaded element and the plate are pressed between the first conductive element and the second conductive element. When the welding gun is used, the threaded part and the plate are pressed between the first conductive part and the second conductive part, the threaded part is positioned by the insulating positioning part, and then the resistance spot welding gun is electrified, so that the threaded part can be conveniently spot-welded on the plate, and the connection between the threaded part and the plate is realized.
Description
Technical Field
The invention belongs to the technical field of part connection, and particularly relates to a resistance spot welding positioning tool for a threaded part and a plate.
Background
The welding of screw elements such as bolts and nuts and plates usually adopts projection welding or implantation welding technology, but the projection welding process increases the carrying amount of the plates, the corresponding equipment and personnel storage area is also increased, and the implantation welding process is completed on a clamp, but the welding strength is seriously insufficient, and the use is influenced.
Because the resistance spot welding that the present welding dress technology used economic convenience more, consequently, how to set up the location frock of carrying out the location to screw member and plate to weld the plate with the screw member through resistance spot welding's mode on, become the technical problem that technical staff in this field urgently needed to solve.
Disclosure of Invention
The invention aims to provide a resistance spot welding positioning tool for a threaded part and a plate, so as to solve the technical problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a resistance spot welding positioning tool for a threaded part and a plate comprises a first conductive piece, an insulating positioning piece and a second conductive piece, wherein the first conductive piece is used for being in contact with an upper electrode of a resistance spot welding gun; the insulating positioning element is arranged on the second conductive element and used for being in contact with the threaded element and positioning the threaded element, the second conductive element is used for being in contact with the lower electrode of the resistance spot welding gun, and the threaded element and the plate are pressed between the first conductive element and the second conductive element.
Preferably, the threaded part is a nut, the insulating positioning part is a positioning pin, and the positioning pin penetrates through a through hole in the plate to be matched with a central hole of the nut; the nut is arranged on the top surface of the plate, the first conductive piece is a first conductive block, and the lower end surface of the first conductive block is in contact with the upper end surface of the nut; the second conductive piece is a second conductive block, the upper end surface of the second conductive block is in contact with the bottom surface of the plate, and the second conductive block and the nut are symmetrically arranged on two sides of the plate; and the lower end of the positioning pin is vertically connected with the upper end face of the second conductive block.
Preferably, the positioning pin is connected to a middle position of the second conductive block.
Preferably, the first conductive piece and the second conductive piece are both circular pieces.
Preferably, the first conductive block and the second conductive block are both copper blocks.
Preferably, the threaded part is a bolt, the insulating positioning part is a positioning sleeve, and a central hole of the positioning sleeve is used for being matched with a screw section of the bolt; the second conductive piece is a conductive column, and the upper end of the conductive column is provided with an installation groove for accommodating the positioning sleeve; the upper end surface of the conductive column is in contact with the lower end surface of a bolt head of the bolt, and the upper end surface of the bolt head is in contact with the bottom surface of the plate; the first conductive piece is arranged on the top surface of the plate, and the first conductive piece and the bolt are symmetrically arranged on two sides of the plate.
Preferably, the mounting groove is disposed at a middle position of the conductive post, and the locating sleeve is disposed coaxially with the conductive post.
Preferably, the first conductive member is a circular copper block, and the conductive pillar is a copper pillar.
The invention has the beneficial effects that:
when the tool is used, the threaded part and the plate are pressed between the first conductive part and the second conductive part, the threaded part is positioned by the insulating positioning part, the resistance spot welding gun is electrified, an upper electrode of the resistance spot welding gun is conducted with a lower electrode of the resistance spot welding gun through the first conductive part, the threaded part and the plate, the second conductive part and the resistance spot welding gun, the threaded part can be spot-welded on the plate, and the connection between the threaded part and the plate is realized. Therefore, the invention can be used for conveniently welding the threaded part on the plate in a resistance spot welding manner.
Drawings
In order to more clearly describe the embodiments of the present application or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, and the embodiments of the present invention will be further described in detail with reference to the drawings, wherein
Fig. 1 is a schematic view illustrating a resistance spot welding positioning tool used in spot welding of a nut and a plate according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a resistance spot welding positioning tool provided by an embodiment of the invention when the resistance spot welding positioning tool is used for spot welding of a bolt and a plate.
In the drawings, the reference numbers:
11. an upper electrode 12, a lower electrode 21, a first conductive block 22, a second conductive block,
23. positioning pin, 31, plate, 32, top surface, 33, bottom surface, 41, nut,
51. a round copper block 61, a screw section 62, a bolt head 71, a conductive column,
72. and installing a groove.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description will be provided with reference to specific embodiments.
As shown in fig. 1, an embodiment of the present invention provides a resistance spot welding positioning tool for a threaded component and a plate component, which includes a first conductive component, an insulating positioning component, and a second conductive component, where the first conductive component is used to contact with an upper electrode 11 of a resistance spot welding gun; the insulating positioning element is arranged on the second conductive element and used for being in contact with the threaded element and positioning the threaded element, the second conductive element is used for being in contact with the lower electrode 12 of the resistance spot welding gun, and the threaded element and the plate 31 are pressed between the first conductive element and the second conductive element.
When the resistance spot welding positioning tool for the threaded part and the plate provided by the embodiment of the invention is used, the threaded part and the plate 31 are pressed between the first conductive part and the second conductive part, the threaded part is positioned by using the insulating positioning part, then the resistance spot welding gun is electrified, the upper electrode 11 of the resistance spot welding gun is conducted with the lower electrode 12 of the resistance spot welding gun through the first conductive part, the threaded part and the plate, and the second conductive part, so that the threaded part can be spot-welded on the plate 31, and the connection between the threaded part and the plate is realized. Therefore, the invention can be used for conveniently welding the threaded part on the plate in a resistance spot welding manner.
As shown in fig. 1, in an embodiment of the present invention, the threaded member is a nut 41, the insulating positioning member is a positioning pin 23, and the positioning pin 23 passes through a through hole on the plate 31 to match with a central hole of the nut 41; the nut is arranged on the top surface 32 of the plate, the first conductive piece is a first conductive piece 21, and the lower end surface of the first conductive piece is in contact with the upper end surface of the nut 41; the second conductive piece is a second conductive block 22, the upper end surface of the second conductive block is in contact with the bottom surface 33 of the plate, and the second conductive block 22 and the nut 41 are symmetrically arranged on two sides of the plate 31; and the lower end of the positioning pin is vertically connected with the upper end face of the second conductive block. Adopt this scheme, when using, compress tightly nut 41 and plate 31 between first conducting block 21 and second conducting block 22, utilize locating pin 23 to pass the through-hole back simultaneously and cooperate with the centre bore of nut 41 and realize the location to the nut, then make resistance spot welding welder circular telegram, resistance spot welding welder's last electrode will switch on through first conducting block, the nut, plate 31, the second conducting block switches on with resistance spot welding welder's lower electrode, can be with nut spot welding on the plate, the connection of nut and plate has been realized betterly.
Specifically, the positioning pin 23 is connected to a middle position of the second conductive block 22. It will be appreciated that the locating pins are made of an insulating material; in an embodiment, in order to realize the insulation between the positioning pin and the nut, the positioning pin may not be made of an insulating material, but an insulating layer is arranged on the outer surface of the positioning pin, so that the conductive phenomenon at the contact position of the positioning pin and the nut can be well avoided.
It may be preferable that the first conductive piece 21 and the second conductive piece 22 are both circular pieces, so that both the first conductive piece and the second conductive piece are easily processed.
Specifically, the first conductive block 21 and the second conductive block 22 are both copper blocks, so that the first conductive block and the second conductive block have better conductive performance.
As shown in fig. 2, in another embodiment provided by the present invention, the threaded member is a bolt, the insulating positioning member is a positioning sleeve, and a central hole of the positioning sleeve is used for matching with a screw section 61 of the bolt; the second conductive component is a conductive column 71, and the upper end of the conductive column is provided with a mounting groove 72 for accommodating the positioning sleeve; the upper end surface of the conductive column 71 is in contact with the lower end surface of the bolt head 62 of the bolt, and the upper end surface of the bolt head 62 is in contact with the bottom surface 33 of the plate; the first conductive member is disposed on the top surface 32 of the plate member, and the first conductive member and the bolt are symmetrically disposed on both sides of the plate member 31. Adopt this scheme, when using, install the position sleeve in leading the mounting groove 72 of electrical pillar, compress tightly bolt and plate 31 between first electrically conductive piece and lead electrical pillar, arrange the screw rod section of bolt in the position sleeve simultaneously, utilize the position sleeve to realize the location to the bolt, then make resistance spot welding welder circular telegram, resistance spot welding welder's last electrode will be through first electrically conductive piece, plate and bolt, it switches on with resistance spot welding welder's lower electrode to lead electrical pillar, can weld the bolt spot welding on the plate, the connection of bolt and plate has been realized betterly. It will be understood that the positioning sleeve is not shown in the figures.
Preferably, the mounting groove 72 is disposed at a middle position of the conductive post 71, and the positioning sleeve is disposed coaxially with the conductive post. It will be appreciated that the locating sleeve is made of an insulating material to provide insulation between the screw section and the mounting groove. In an embodiment, in order to realize the insulation between the screw section of the bolt and the mounting groove, the positioning sleeve can be omitted, and the insulating layers are arranged on the inner wall surfaces of the mounting groove, so that the conductive phenomenon at the contact part of the mounting groove and the screw section can be well avoided.
Specifically, the first conductive member is the circular copper block 51, and the conductive column 71 is a copper column, so that both the first conductive member and the conductive column have good conductivity and are easy to process.
The embodiment of the invention also provides a resistance spot welding connection method for the threaded part and the plate, which comprises the following steps:
positioning a plate on a welding station clamp in a welding workshop through an external clamp;
arranging the resistance spot welding positioning tool on the welding station fixture, and positioning the threaded part by using an insulating positioning piece;
a first conductive piece and a second conductive piece in the resistance spot welding positioning tool pre-compress and fix the positioned threaded piece and the plate through a cylinder so as to tightly press the threaded piece and the plate between the first conductive piece and the second conductive piece;
and (3) pressurizing and electrifying the resistance spot welding gun, and spot-welding the threaded member, namely the nut or the bolt on the plate 31 to complete the connection of the threaded member and the plate.
After the welding method is applied, the nut or the bolt can be directly welded on the plate by a resistance spot welding method in a welding workshop; meanwhile, the resistance spot welding process can be operated by a robot, so that automatic production is realized; particularly for the welding of the bolt, the bolt can be directly connected with the plate without perforating on the plate, the sealing is realized, the connection strength is improved, and the problems that the hole is required when the projection welding is adopted and the sealing cannot be realized after the projection welding can be well solved; the key nut and bolt can be welded in the post process, so that the welding positioning precision is improved conveniently. Moreover, after the welding gun is used, the threaded part, namely the nut or the bolt, can be connected with the plate part in a resistance spot welding mode through the movable resistance spot welding gun; meanwhile, logistics, equipment and corresponding station appliances can be reduced, the welding strength of the existing stud welding is improved, the production efficiency is improved, the flexible optimization of workshop layout is facilitated, and the operability can be improved for some parts which are difficult to weld in a projection mode and in a welding mode; moreover, the positioning tool is easy to manufacture and low in cost.
The above are only preferred embodiments of the present invention, it should be noted that these examples are only for illustrating the present invention and not for limiting the scope of the present invention, and after reading the content of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalents also fall within the scope of the claims appended to the present application.
Claims (7)
1. A resistance spot welding positioning tool for a threaded part and a plate is characterized by comprising a first conductive piece, an insulating positioning piece and a second conductive piece, wherein the first conductive piece is used for being in contact with an upper electrode of a resistance spot welding gun; the insulating positioning piece is arranged on the second conductive piece and used for being in contact with a threaded piece and positioning the threaded piece, the second conductive piece is used for being in contact with a lower electrode of the resistance spot welding gun, and the threaded piece and the plate are compressed between the first conductive piece and the second conductive piece;
the threaded part is a bolt, the insulating positioning part is a positioning sleeve, and a central hole of the positioning sleeve is used for being matched with a screw rod section of the bolt; the second conductive piece is a conductive column, and the upper end of the conductive column is provided with an installation groove for accommodating the positioning sleeve; the upper end surface of the conductive column is in contact with the lower end surface of a bolt head of the bolt, and the upper end surface of the bolt head is in contact with the bottom surface of the plate; the first conductive piece is arranged on the top surface of the plate, and the first conductive piece and the bolt are symmetrically arranged on two sides of the plate.
2. The tool for the resistance spot welding positioning of the threaded part and the plate according to claim 1, wherein the threaded part is a nut, the insulating positioning part is a positioning pin, and the positioning pin penetrates through a through hole in the plate to be matched with a central hole of the nut; the nut is arranged on the top surface of the plate, the first conductive piece is a first conductive block, and the lower end surface of the first conductive block is in contact with the upper end surface of the nut; the second conductive piece is a second conductive block, the upper end surface of the second conductive block is in contact with the bottom surface of the plate, and the second conductive block and the nut are symmetrically arranged on two sides of the plate; and the lower end of the positioning pin is vertically connected with the upper end face of the second conductive block.
3. The tool for resistance spot welding positioning of the threaded part and the plate according to claim 2, wherein the positioning pin is connected with the middle position of the second conductive block.
4. The resistance spot welding positioning tool for the threaded part and the plate according to claim 2, wherein the first conductive block and the second conductive block are both circular blocks.
5. The tool for resistance spot welding positioning of the threaded part and the plate according to any one of claims 2 to 4, wherein the first conductive block and the second conductive block are both copper blocks.
6. The tool of claim 1, wherein the mounting groove is formed in the middle of the conductive post, and the locating sleeve and the conductive post are coaxially arranged.
7. The tool according to claim 1, wherein the first conductive member is a circular copper block, and the conductive post is a copper post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111518418.8A CN114043060B (en) | 2021-12-10 | 2021-12-10 | Resistance spot welding positioning tool for threaded part and plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111518418.8A CN114043060B (en) | 2021-12-10 | 2021-12-10 | Resistance spot welding positioning tool for threaded part and plate |
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| Publication Number | Publication Date |
|---|---|
| CN114043060A CN114043060A (en) | 2022-02-15 |
| CN114043060B true CN114043060B (en) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111518418.8A Active CN114043060B (en) | 2021-12-10 | 2021-12-10 | Resistance spot welding positioning tool for threaded part and plate |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH081341A (en) * | 1994-06-15 | 1996-01-09 | Pop Rivet Fastener Kk | Stud welding method for steel sheet |
| CN201579535U (en) * | 2009-10-14 | 2010-09-15 | 奇瑞汽车股份有限公司 | Bolt welding device |
| CN202317418U (en) * | 2011-10-27 | 2012-07-11 | 重庆市北碚区枫火机械制造有限公司 | Insulating positioning nut spot-welding electrode |
| CN202317417U (en) * | 2011-10-27 | 2012-07-11 | 重庆市北碚区枫火机械制造有限公司 | Spot-welding electrode capable of preventing nut from being adhered to positioning pin |
| CN203887384U (en) * | 2014-05-30 | 2014-10-22 | 一汽通用红塔云南汽车制造有限公司 | Fixed spot welder capable of achieving spot welding of bolts |
| CN205496779U (en) * | 2016-01-13 | 2016-08-24 | 昆明理工大学 | Resistance spot welding T type connects clamping auxiliary device |
| CN206811300U (en) * | 2017-06-12 | 2017-12-29 | 安徽华星消防设备(集团)有限公司 | A kind of auto panel multi-point welding device |
| WO2019098305A1 (en) * | 2017-11-15 | 2019-05-23 | 日本製鉄株式会社 | Spot welding method |
| CN211248748U (en) * | 2019-12-04 | 2020-08-14 | 广州双快设备制造有限公司 | Numerical control automatic spot welding equipment for sheet metal parts |
| CN212918211U (en) * | 2020-06-30 | 2021-04-09 | 海斯坦普汽车组件(天津)有限公司 | Spot welding positioning tool for vehicle body plate |
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2021
- 2021-12-10 CN CN202111518418.8A patent/CN114043060B/en active Active
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| CN114043060A (en) | 2022-02-15 |
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