CN107457477B - Positioning welding electrode for welding automobile positioning hooks - Google Patents
Positioning welding electrode for welding automobile positioning hooks Download PDFInfo
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- CN107457477B CN107457477B CN201710723659.3A CN201710723659A CN107457477B CN 107457477 B CN107457477 B CN 107457477B CN 201710723659 A CN201710723659 A CN 201710723659A CN 107457477 B CN107457477 B CN 107457477B
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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
- B23K11/30—Features relating to electrodes
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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
- B23K11/30—Features relating to electrodes
- B23K11/3054—Cooled electrodes
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
The invention relates to a positioning welding electrode for welding an automobile positioning hook, which comprises an upper electrode and a lower electrode, wherein the upper electrode and the lower electrode are respectively fixed on a welding machine, and a floating positioning mechanism is arranged on the lower electrode, wherein the floating positioning mechanism comprises a main positioning unit, an error-proof positioning unit and a floating unit, when welding, a bent galvanized plate and a bent steel bar are combined and placed on the floating positioning mechanism for positioning, and the upper electrode and the lower electrode are matched to weld the bent galvanized plate and the bent steel bar together. Compared with the prior art, the main positioning unit can rapidly position the welding piece, the error-proof positioning unit can be accurately adjusted, the floating unit has buffering property during welding, the workpiece can be always in close contact with the lower electrode head, suspension is avoided, and therefore the piece to be welded can be accurately positioned and rapidly welded during welding. The device is simple in operation, clear in steps, convenient to assemble and disassemble, high in welding quality stability and high in production efficiency.
Description
Technical Field
The invention relates to a welding electrode, in particular to a positioning welding electrode for welding an automobile positioning hook.
Background
The automobile positioning hook is formed by welding and assembling a bent galvanized plate and a bent steel bar. At present, the welding tool and the welding electrode for welding the positioning hooks of a plurality of automobiles cannot be used for simultaneously positioning and welding, so that the problems of complex operation, inaccurate positioning, low processing efficiency and the like exist, four welding seams cannot be simultaneously welded, and only two welding seams can be simultaneously welded. The existing tool has single function, and a corresponding special positioning tool electrode is required in the welding process, so that the existing device cannot meet the production and processing requirements.
Disclosure of Invention
The invention aims to solve the problems and provide a positioning welding electrode for welding an automobile positioning hook.
The aim of the invention is achieved by the following technical scheme:
a fixed-position welding electrode for automobile locating hook welded is used for welding the galvanized sheet of bending of locating hook with the reinforcing bar of bending together, including upper electrode and bottom electrode, upper electrode and bottom electrode fix respectively on the welding machine, the bottom electrode on be equipped with floating positioning mechanism, wherein, floating positioning mechanism include main positioning unit, mistake proofing positioning unit and floating unit, when welding, will bend the galvanized sheet and bend the reinforcing bar combination, put on floating positioning mechanism and fix a position, upper electrode and bottom electrode cooperation will bend the galvanized sheet and bend the reinforcing bar welding together.
The lower electrode comprises a lower electrode head and a lower electrode block, the lower electrode head is arranged on the upper portion of the lower electrode block, the lower electrode block is arranged on an insulating supporting plate, and the insulating supporting plate has the function of avoiding the conduction of a positioning mechanism and an electrode and the shunt.
The lower electrode block both sides be equipped with left basic piece and right basic piece respectively, main positioning unit install on left basic piece, mistake proofing positioning unit install on right basic piece, floating unit locate insulating layer board's lower part.
The main locating unit comprises a main locating pin, a limiting block and a left baffle plate, wherein the main locating pin is arranged on the left foundation block, the limiting block is respectively arranged on the front side and the rear side of the left foundation block, and the left baffle plate is arranged on the left side of the left foundation block.
The error-proofing positioning unit comprises error-proofing positioning pins and a right baffle plate, wherein the error-proofing positioning pins are inserted into the positioning pin holes of the right basic block, a plurality of positioning pin holes are formed, the error-proofing positioning pins are inserted into different positioning pin holes according to the difference of the to-be-welded parts, and the right baffle plate is arranged on the right side of the right basic block.
The floating unit comprises a spring guide post and a guide sleeve screw, the spring guide post is sleeved with a spring, and the guide sleeve screw fixes the spring guide post and the insulating supporting plate. The action of the spring guide post can effectively reduce the adjustment of the positioning tool, ensure that the workpiece to be welded can be tightly attached to the lower electrode head all the time, and avoid the phenomenon that the upper electrode cannot be compacted with the lower electrode due to abrasion of the electrode head in the welding process, so that the welding quality is unstable, and even the electrode head can be burst when serious.
The lower part of the floating unit is sequentially provided with a lower electrode mounting plate, a lower electrode connecting block and a lower electrode plate, and the lower electrode plate is mounted on the welding machine.
The upper electrode comprises an upper electrode plate, an upper electrode block and an upper electrode head, wherein the upper electrode head is arranged on the upper electrode block, the upper electrode block is arranged on the upper electrode plate, and the upper electrode plate is arranged on the welding machine.
The upper electrode head and the lower electrode head are respectively provided with two symmetrical bosses, and the bosses are provided with chamfers.
U-shaped cooling water channels for enhancing heat dissipation are arranged in the upper electrode block and the lower electrode block.
The upper electrode head and the lower electrode head are made of chromium-zirconium-copper, the insulating supporting plate is made of nonmetal wear-resistant high-temperature-resistant insulating materials, and the base block, the limiting block, the left baffle plate, the right baffle plate, the positioning pin and the error-proof positioning pin are made of metal 45# steel.
Compared with the prior art, the invention has the following advantages:
1. the main positioning unit can rapidly position the welding piece, the error-proof positioning unit can accurately adjust, the floating unit has buffering property during welding, the workpiece can be always in close contact with the lower electrode head, and the phenomenon that the workpiece is suspended due to abrasion of the electrode head is avoided, so that the piece to be welded is rapidly placed, accurately positioned, firmly welded and accurate in size during welding.
2. The error-proof locating pin can be inserted into a corresponding locating pin hole in the right basic block according to the difference of the parts to be welded, and can be suitable for welding the locating hooks and symmetrical parts thereof.
3. The upper electrode tip and the lower electrode tip are provided with two symmetrical bosses, so that the burn of parts caused by the contact of the electrode tip and a non-welding area can be avoided, and the welding quality is unstable.
4. And cooling water loops are arranged in the upper electrode block and the lower electrode block and used for enhancing the heat dissipation capacity of the electrodes, reducing the abrasion of the electrodes and ensuring the welding stability.
5. The device is simple to operate, clear in steps, convenient to assemble and disassemble, high in stability of welding quality, capable of effectively reducing split flow, enhancing welding effect, enabling four welding seams to be welded simultaneously than single welding of two welding seams, capable of effectively reducing split flow, enhancing welding effect, improving stability of welding and high in production efficiency.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of a front view structure of the present invention;
FIG. 3 is a schematic view of the structure of the positioning hook;
FIG. 4 is a schematic top view of the bottom electrode of the present invention;
fig. 5 is a schematic bottom view of the upper electrode of the present invention.
In the figure: the device comprises an upper electrode plate 1, an upper electrode block 2, an upper electrode head 3, a bent galvanized plate 4, a bent steel bar 5, a left base block 6, a main locating pin 7, a locating block 8, a left baffle 9, a right base block 10, an error-proofing locating pin 11, a right baffle 12, a lower electrode head 13, a lower electrode block 14, an insulating supporting plate 15, a spring guide pillar 16, a guide sleeve screw 17, a lower electrode mounting plate 18, a lower electrode connecting block 19, a lower electrode plate 20, a U-shaped cooling water channel 21 and a boss 22.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples.
Example 1
Referring to fig. 1 and 2, a positioning welding electrode for welding a positioning hook of an automobile, referring to fig. 3, is used for welding a bent galvanized sheet 4 and a bent steel bar 5 of the positioning hook together, and comprises an upper electrode and a lower electrode, referring to fig. 4 and 5, the upper electrode and the lower electrode are respectively fixed on a welding machine, a floating positioning mechanism is arranged on the lower electrode, wherein the floating positioning mechanism comprises a main positioning unit, an error-proof positioning unit and a floating unit, when welding, the bent galvanized sheet 4 and the bent steel bar 5 are combined and placed on the floating positioning mechanism for positioning, the upper electrode and the lower electrode are matched for welding the bent galvanized sheet 4 and the bent steel bar 5 together, the lower electrode comprises a lower electrode head 13 and a lower electrode block 14, the lower electrode head 13 is arranged on the upper part of the lower electrode block 14, the lower electrode block 14 is arranged on an insulating support plate 15, the left base block 6 and the right base block 10 are respectively arranged on two sides of the lower electrode block 14, the main positioning unit is arranged on the left base block 6, the error-proof positioning unit is arranged on the right base block 10, and the floating unit is arranged on the lower part of the insulating support plate 15. The main positioning unit comprises a main positioning pin 7, a limiting block 8 and a left baffle plate 9, wherein the main positioning pin 7 is arranged on a left foundation block 6, the limiting block 8 is respectively arranged on the front side and the rear side of the left foundation block 6, the left baffle plate 9 is arranged on the left side of the left foundation block 6, the error-proofing positioning unit comprises error-proofing positioning pins 11 and a right baffle plate 12, the error-proofing positioning pins 11 are inserted into positioning pin holes of a right foundation block 10, a plurality of positioning pin holes are arranged, the error-proofing positioning pins 11 are inserted into different positioning pin holes according to the difference of workpieces to be welded, the right baffle plate 12 is arranged on the right side of the right foundation block 10, the floating unit comprises a spring guide pillar 16 and a guide sleeve screw 17, the spring guide pillar 16 is sleeved with a spring, the spring guide post 16 is fixed with the insulating layer board 15 through the guide sleeve screw 17, the lower part of the floating unit is sequentially provided with a lower electrode mounting plate 18, a lower electrode connecting block 19 and a lower electrode plate 20, the lower electrode plate 20 is mounted on the welding machine, the upper electrode comprises an upper electrode plate 1, an upper electrode block 2 and an upper electrode head 3, the upper electrode head 3 is mounted on the upper electrode block 2, the upper electrode block 2 is mounted on the upper electrode plate 1, the upper electrode plate 1 is mounted on the welding machine, the upper electrode head 3 and the lower electrode head 13 are respectively provided with two symmetrical bosses 22, the bosses 22 are provided with chamfers, and U-shaped cooling water channels 21 for enhancing heat dissipation are arranged in the upper electrode block 2 and the lower electrode block 14.
The concrete work flow is that the galvanized sheet 4 and the steel bar 5 to be bent are combined according to the drawing requirement and then placed on a floating positioning tool, the positioning holes on the galvanized sheet 4 to be bent penetrate through a main positioning pin 7, the galvanized sheet 4 and the steel bar 5 to be bent are tightly attached to a left baffle 9 and a limiting block 8, the right side of the steel bar 5 to be bent is tightly attached to a right baffle 12, an error-proof positioning pin 11 is inserted into a pin hole on a right basic block 10, welding is started, and 4 welding seams to be welded on a positioning hook welding assembly are welded through electrode heads on an upper electrode and a lower electrode.
Claims (4)
1. The positioning welding electrode for welding the positioning hooks of the automobiles is used for welding the bent galvanized plates (4) of the positioning hooks with the bent steel bars (5) and comprises an upper electrode and a lower electrode, wherein the upper electrode and the lower electrode are respectively fixed on a welding machine;
the lower electrode comprises a lower electrode head (13) and a lower electrode block (14), the lower electrode head (13) is arranged at the upper part of the lower electrode block (14), and the lower electrode block (14) is arranged on an insulating supporting plate (15);
the two sides of the lower electrode block (14) are respectively provided with a left foundation block (6) and a right foundation block (10), the main positioning unit is arranged on the left foundation block (6), the error-proof positioning unit is arranged on the right foundation block (10), and the floating unit is arranged at the lower part of the insulating supporting plate (15);
the error-proofing positioning unit comprises error-proofing positioning pins (11) and right baffle plates (12), wherein the error-proofing positioning pins (11) are inserted into positioning pin holes of the right basic block (10), a plurality of positioning pin holes are formed, the error-proofing positioning pins (11) are inserted into different positioning pin holes according to the difference of workpieces to be welded, and the right baffle plates (12) are arranged on the right side of the right basic block (10);
the upper electrode comprises an upper electrode plate (1), an upper electrode block (2) and an upper electrode head (3), wherein the upper electrode head (3) is arranged on the upper electrode block (2), the upper electrode block (2) is arranged on the upper electrode plate (1), and the upper electrode plate (1) is arranged on a welding machine;
the upper electrode head (3) and the lower electrode head (13) are respectively provided with two symmetrical bosses (22), and the bosses (22) are provided with chamfers;
u-shaped cooling water channels (21) for enhancing heat dissipation are arranged in the upper electrode block (2) and the lower electrode block (14).
2. The welding electrode for welding the positioning hooks of the automobiles according to claim 1, wherein the main positioning unit comprises a main positioning pin (7), a limiting block (8) and a left baffle plate (9), the main positioning pin (7) is arranged on the left base block (6), the limiting block (8) is respectively arranged on the front side and the rear side of the left base block (6), and the left baffle plate (9) is arranged on the left side of the left base block (6).
3. The welding electrode for welding the positioning hooks of the automobiles according to claim 2, wherein the floating unit comprises a spring guide pillar (16) and a guide sleeve screw (17), the spring guide pillar (16) is sleeved with a spring, and the guide sleeve screw (17) fixes the spring guide pillar (16) with the insulating supporting plate (15).
4. A welding electrode for welding a positioning hook of an automobile according to claim 3, wherein the lower part of the floating unit is provided with a lower electrode mounting plate (18), a lower electrode connecting block (19) and a lower electrode plate (20) in sequence, and the lower electrode plate (20) is mounted on a welding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710723659.3A CN107457477B (en) | 2017-08-22 | 2017-08-22 | Positioning welding electrode for welding automobile positioning hooks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710723659.3A CN107457477B (en) | 2017-08-22 | 2017-08-22 | Positioning welding electrode for welding automobile positioning hooks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107457477A CN107457477A (en) | 2017-12-12 |
| CN107457477B true CN107457477B (en) | 2023-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710723659.3A Active CN107457477B (en) | 2017-08-22 | 2017-08-22 | Positioning welding electrode for welding automobile positioning hooks |
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| CN (1) | CN107457477B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109676307B (en) * | 2018-12-27 | 2021-09-14 | 湖南创研智能装备有限公司 | Positioning device for welding heater fixing frame |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2542392Y (en) * | 2002-04-26 | 2003-04-02 | 张文巨 | Floating spring secondary pressure electrode for projection welder |
| JP2006224148A (en) * | 2005-02-17 | 2006-08-31 | Kobe Steel Ltd | Resistance spot welding method for different materials |
| CN202015895U (en) * | 2011-04-19 | 2011-10-26 | 江苏富陶车辆部件有限公司 | Combined type electrode used for spot welding of automotive rear partition board connection plate |
| CN202114389U (en) * | 2011-06-02 | 2012-01-18 | 上海交运汽车精密冲压件有限公司 | Welding tooling for spot welding and projection welding |
| JP6060579B2 (en) * | 2012-09-18 | 2017-01-18 | Ｊｆｅスチール株式会社 | Resistance spot welding method |
| CN203062078U (en) * | 2012-12-31 | 2013-07-17 | 上海拖拉机内燃机有限公司 | Projection welding nut structure |
| CN203380491U (en) * | 2013-08-12 | 2014-01-08 | 南京威迩德汽车零部件有限公司 | Projection welding device used for automobile rear wheel cover longitudinal beam |
| CN104493396A (en) * | 2013-12-31 | 2015-04-08 | 上海奥林汽车配件有限公司 | Positioning clamp for positioning resistance welding automobile ABS support |
| CN104493356A (en) * | 2014-11-20 | 2015-04-08 | 上海奥林汽车配件有限公司 | Positioning resistance welding electrode for reinforcement plate welded assemblies of automobile locks |
| CN207104086U (en) * | 2017-08-22 | 2018-03-16 | 上海奥林汽车配件有限公司 | A kind of positioning welding electrode for the welding of bus location hook |
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2017
- 2017-08-22 CN CN201710723659.3A patent/CN107457477B/en active Active
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| CN107457477A (en) | 2017-12-12 |
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