CN216028722U - Special-shaped electrode rod for projection welding of inner part of part - Google Patents
Special-shaped electrode rod for projection welding of inner part of part Download PDFInfo
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- CN216028722U CN216028722U CN202122292788.6U CN202122292788U CN216028722U CN 216028722 U CN216028722 U CN 216028722U CN 202122292788 U CN202122292788 U CN 202122292788U CN 216028722 U CN216028722 U CN 216028722U
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Abstract
A special-shaped electrode rod for projection welding in parts belongs to the technical field of automobile part processing, and structurally comprises a water connector, a rod body, a bottom plate and an upper electrode head which are connected; the structure is reasonable and compact, when in use, the welding device clamps the water joint, so that the rod body and the bottom plate extend into the part to perform projection welding operation, the water joint and the rod body adopt a thread fit structure, a cooling water channel and a water outlet are reserved in the water joint and the rod body, the purpose of cooling in the welding process is achieved through closed water circulation, the upper electrode head adopts a detachable and replaceable structure, and the worn or scrapped electrode tip is easy to replace.
Description
Technical Field
The utility model belongs to the technical field of automobile part machining, relates to an auxiliary tool for automobile part welding, and particularly relates to a special-shaped electrode rod for projection welding inside a part.
Background
The automobile equipment is the basis of the automobile manufacturing industry, is an important basis for realizing the automobile strong country, has great progress in the automobile industry in China through the reformation and the opening to comprehensively introduce technology and digest and absorb, has certain competitiveness when the automobile manufacturing industry in China enters the stage of combining independent innovation and technology introduction, but main automobile products still depend on abroad in the aspect of technical innovation, and have larger difference with the international advanced level in the aspect of automobile part manufacturing.
The welding process is an indispensable processing process in the manufacturing process of automobile parts, for example, the welding thickness and the position precision between sheet metals directly lead to the precision of the whole automobile assembly, the welding between the sheet metal parts commonly used is carried out by fixing the parts and then adopting an electrode processing mode, and with the continuous improvement of the product quality requirements, projection welding nuts and bolts are more and more widely applied to the automobile industry. The projection welding process parameters are reasonably determined and used, so that the projection welding positioning is more accurate, the sizes are consistent, the strength of each point is uniform, and the welding is firm; the projection welding can ensure that the thread is not annealed, the precision is not reduced, the appearance of a weldment is attractive, and the production efficiency is high; the harm of CO2 gas and coating smoke to human body is avoided, and the working environment is improved. At present, most automobile stamping parts need welding nuts or bolts at the front side, and can be completed through the cooperation of an upper electrode and a lower electrode in a common form; however, in some working conditions requiring welding inside the part, the conventional electrode cannot be used for machining, and the process of projection welding nuts or bolts cannot be completed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a special-shaped electrode rod for projection welding of the interior of an automobile part, which aims to overcome the defects that the traditional electrode cannot be used for processing the interior of the automobile part, and the nut or bolt cannot be welded in the interior of the part, and the like.
The technical scheme of the utility model is as follows: a special-shaped electrode rod for projection welding in a part comprises an upper electrode tip for projection welding; the method is characterized in that: the special-shaped electrode rod is formed by connecting a water joint, a rod body and a bottom plate; the improved water supply device is characterized in that an external thread connecting column is arranged at the bottom of the water supply connector, a water inlet interface is arranged on the side face of the water supply connector, a first cooling water channel is arranged inside the water supply connector, the first cooling water channel is communicated with the water inlet interface, the bottom plate is fixedly connected with the bottom of the rod body, an internal thread interface is arranged at the top end of the rod body, a second cooling water channel communicated with the bottom is arranged inside the rod body, a water outlet interface is arranged on the side face of the bottom plate, the water outlet interface is communicated with the second cooling water channel, an electrode jack is arranged on the bottom plate, an upper electrode head is inserted into the electrode jack, the water supply connector is screwed into the internal thread interface connected to the top of the rod body through the external thread connecting column, and the water inlet interface is communicated with the water outlet interface.
The diameter of the water connector is the same as that of the rod body, two parallel clamping planes are arranged on the surface of the outer circle of the water connector, and the water inlet interface is arranged on one clamping plane.
The depth of the internal thread interface is greater than the height of the external thread connecting column, and a sealing ring is arranged at the root part of the external thread connecting column.
The electrode jack is a tapered through hole, the taper of the tapered through hole is 1: 10, and the roughness value of the inner surface of the tapered through hole is not more than 1.6 mu m.
The club body and the bottom plate are integrally cast and formed, and the included angle between the club body and the bottom plate is not less than 90 degrees.
The utility model has the beneficial effects that: the utility model provides a special-shaped electrode rod for projection welding in parts, which structurally comprises a water joint, a rod body, a bottom plate and an upper electrode head which are connected; the structure is reasonable and compact, when in use, the welding device clamps the water joint, so that the rod body and the bottom plate extend into the part to perform projection welding operation, the water joint and the rod body adopt a thread fit structure, a cooling water channel and a water outlet are reserved in the water joint and the rod body, the purpose of cooling in the welding process is achieved through closed water circulation, the upper electrode head adopts a detachable and replaceable structure, and the worn or scrapped electrode tip is easy to replace.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic top view of the water connection of the present invention.
Fig. 3 is a schematic view of the full-section structure in the direction of a-a in fig. 2.
FIG. 4 is a schematic view of the structure of the shaft and the bottom plate of the present invention.
Fig. 5 is a schematic view of the full-section structure in the direction B-B in fig. 4.
In the figure: the water-cooled generator comprises a water connection joint 1, an external thread connection column 2, a first cooling water channel 3, a water inlet interface 4, a clamping plane 5, a rod body 6, a second cooling water channel 7, a water outlet interface 8, an internal thread interface 9, a bottom plate 10, an electrode jack 11 and an upper electrode head 12.
Detailed Description
The utility model will be further described with reference to the accompanying drawings in which:
as shown in figures 1-5, the special-shaped electrode rod for projection welding in the part is formed by connecting a water connector 1, a rod body 6, a bottom plate 10 and an upper electrode head 12; the bottom of the water connector 1 is provided with an external thread connecting column 2, the side surface of the water connector 1 is provided with a water inlet interface 4, a first cooling water channel 3 is arranged inside the water connector 1, the first cooling water channel 3 is communicated with the water inlet interface 4, a bottom plate 10 is connected and fixed at the bottom of a rod body 6, the top end of the rod body 6 is provided with an internal thread interface 9, the rod body 6 is internally provided with a second cooling water channel 7 communicated with the bottom, the side surface of the bottom plate 10 is provided with a water outlet interface 8, the water outlet interface 8 is communicated with the second cooling water channel 7, the bottom plate 10 is provided with an electrode jack 11, an upper electrode head 12 is inserted into the electrode jack 11, the water connector 1 is screwed into the internal thread interface 9 connected to the top of the rod body 6 through the external thread connecting column 2, and the water inlet interface 4 is communicated with the water outlet interface 8.
As shown in figures 1-5, the diameter of a water connector 1 is the same as that of a rod body 6, two clamping planes 5 which are parallel to each other are arranged on the outer circle surface of the water connector 1, and a water inlet port 4 is arranged on one clamping plane 5; the depth of the internal thread interface 9 is larger than the height of the external thread connecting column 2, and a sealing ring is arranged at the root part of the external thread connecting column 2; the electrode jack 11 is a tapered through hole, the taper of the tapered through hole is 1: 10, and the roughness value of the inner surface of the tapered through hole is not more than 1.6 mu m; the shaft 6 and the bottom plate 10 are integrally cast, and the included angle between the shaft 6 and the bottom plate 10 is not less than 90 degrees.
As shown in fig. 1-5, the operation method of the special-shaped electrode rod for projection welding inside the part is as follows: when the welding device is used, the welding device clamps the water connector, the rod body and the bottom plate are driven to extend into a part to perform projection welding operation, the water connector and the rod body are in a thread fit structure, a cooling water channel and a water outlet are reserved inside the water connector and the rod body, a water inlet interface on the side face of the water connector is connected and communicated with an external water tank, a water outlet interface is connected and communicated with the water tank, water circulation is formed inside the special-shaped electrode rod through the water inlet interface and the water outlet interface to achieve the cooling purpose in the welding process, the upper electrode head is connected with the bottom plate in an inserted manner through the conical through hole, and worn or scrapped electrode tips can be detached and replaced.
Claims (5)
1. A special-shaped electrode rod for projection welding in parts comprises an upper electrode tip (12) for projection welding; the method is characterized in that: the special-shaped electrode rod is formed by connecting a water connector (1), a rod body (6) and a bottom plate (10); lead to water and connect (1) bottom to be equipped with external screw thread spliced pole (2), the side of leading to water and connect (1) is equipped with into water interface (4), lead to water and connect (1) inside and be equipped with first cooling water passageway (3), first cooling water passageway (3) with it communicates with each other to advance water interface (4) to connect, bottom plate (10) connection is fixed the bottom of pole body (6), pole body (6) top is equipped with female connection mouth (9), pole body (6) and the inside second cooling water passageway (7) that are linked together that are equipped with in bottom, be equipped with out water interface (8) on bottom plate (10) side, go out water interface (8) with second cooling water passageway (7) intercommunication, be equipped with electrode jack (11) on bottom plate (10), go up electrode head (12) peg graft in electrode jack (11), lead to the interior of the top of water and connect (1) to pole body (6) through external screw spliced pole (2) and screw In the threaded interface (9), the water inlet interface (4) is communicated with the water outlet interface (8).
2. The special-shaped electrode rod for projection welding of the inner part of the part as claimed in claim 1, wherein: the diameter of the water connector (1) is the same as that of the rod body (6), two clamping planes (5) which are parallel to each other are arranged on the surface of the outer circle of the water connector (1), and the water inlet connector (4) is arranged on one clamping plane (5).
3. The special-shaped electrode rod for projection welding of the inner part of the part as claimed in claim 1, wherein: the depth of the internal thread connector (9) is greater than the height of the external thread connecting column (2), and a sealing ring is arranged at the root part of the external thread connecting column (2).
4. The special-shaped electrode rod for projection welding of the inner part of the part as claimed in claim 1, wherein: the electrode insertion holes (11) are conical through holes, the conicity of each conical through hole is 1: 10, and the roughness value of the inner surface of each conical through hole is not more than 1.6 mu m.
5. The special-shaped electrode rod for projection welding of the inner part of the part as claimed in claim 1, wherein: the rod body (6) and the bottom plate (10) are integrally prepared and formed, and the included angle between the rod body (6) and the bottom plate (10) is not less than 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122292788.6U CN216028722U (en) | 2021-09-23 | 2021-09-23 | Special-shaped electrode rod for projection welding of inner part of part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122292788.6U CN216028722U (en) | 2021-09-23 | 2021-09-23 | Special-shaped electrode rod for projection welding of inner part of part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216028722U true CN216028722U (en) | 2022-03-15 |
Family
ID=80599729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122292788.6U Active CN216028722U (en) | 2021-09-23 | 2021-09-23 | Special-shaped electrode rod for projection welding of inner part of part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216028722U (en) |
-
2021
- 2021-09-23 CN CN202122292788.6U patent/CN216028722U/en active Active
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