CN212734612U - Anti-oxidation auxiliary device for spot welding - Google Patents
Anti-oxidation auxiliary device for spot welding Download PDFInfo
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- CN212734612U CN212734612U CN202021273656.8U CN202021273656U CN212734612U CN 212734612 U CN212734612 U CN 212734612U CN 202021273656 U CN202021273656 U CN 202021273656U CN 212734612 U CN212734612 U CN 212734612U
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- auxiliary device
- inlet pipe
- spot welding
- spray head
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Abstract
The utility model discloses a spot welding anti-oxidation auxiliary device, which is arranged on a copper pole of a resistance welding machine and comprises a spray head, an air inlet pipe positioned on the spray head and a heat-shrinkable sleeve sleeved on the spray head; the gas inlet pipe is arranged in the positioning hole, gas entering the gas inlet pipe flows into the gas flowing groove and is discharged through the gas spraying hole, and the heat-shrinkable sleeve corresponds to the gas flowing groove in position and seals the gas flowing groove. The utility model discloses an leading-in inert gas of auxiliary device because inert gas's guard action when the product carries out resistance weld, has avoided product surface oxidation effectively and has produced appearance defect's problem, simultaneously, the utility model discloses simple structure, simple to operate, it is with low costs.
Description
Technical Field
The utility model belongs to the technical field of the spot welding, especially, relate to an anti-oxidation auxiliary device of spot welding.
Background
Along with customer to product experience's promotion, customer is more and more high to the outward appearance requirement of product, and for the shell intensity that increases the product, most product adopt the mode that increases the strengthening rib on the shell to realize, and a lot of processing plants use resistance welding (butt-joint)'s mode to connect fixedly at shell and strengthening rib. The defects of using resistance welding are as follows: at the moment of welding, the high temperature can make the surface metal of the material contact with oxygen of air, and a remarkable yellow spot is formed at the copper pole, so that the appearance is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides an anti-oxidation auxiliary device of spot welding to solve the problem that exists among the prior art.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a spot welding anti-oxidation auxiliary device is arranged on a copper pole of a resistance welding machine and comprises a spray head, an air inlet pipe positioned on the spray head and a heat-shrinkable sleeve sleeved on the spray head; the gas inlet pipe is arranged in the positioning hole, gas entering the gas inlet pipe flows into the gas flowing groove and is discharged through the gas spraying hole, and the heat-shrinkable sleeve corresponds to the gas flowing groove in position and seals the gas flowing groove.
In a preferred embodiment of the present invention, the device further comprises a positioning bushing; the positioning bush can be matched with a copper pole of the resistance welding machine to fix the spray head.
In a preferred embodiment of the present invention, the positioning bushing is provided with a fixing hole and a position-avoiding hole, the fixing hole is a threaded hole, and the position-avoiding hole corresponds to the position of the air inlet pipe.
In a preferred embodiment of the present invention, the gas injection holes are located at the top of the showerhead and circumferentially spaced along the showerhead.
In a preferred embodiment of the present invention, the gas injection holes communicate with the gas flow groove.
In a preferred embodiment of the present invention, the gas flowing groove is located at the center of the showerhead and has an annular structure.
The utility model provides a defect that exists among the background art, the utility model discloses possess following beneficial effect:
the utility model discloses an leading-in inert gas of auxiliary device because inert gas's guard action when the product carries out resistance weld, has avoided product surface oxidation effectively and has produced appearance defect's problem, simultaneously, the utility model discloses simple structure, simple to operate, it is with low costs.
Drawings
The present invention will be further explained with reference to the drawings and examples;
FIG. 1 is a schematic structural view of the auxiliary device according to the preferred embodiment of the present invention after installation;
FIG. 2 is an exploded view of the auxiliary device according to the preferred embodiment of the present invention;
in the figure: 1. a spray head; 11. spraying a gas hole; 12. a gas flow groove; 13. positioning holes; 2. an air inlet pipe; 3. heat-shrinkable tubing; 4. positioning the bushing; 41. a fixing hole; 42. a position avoiding port; 5. a copper electrode; 6. and (5) producing the product.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.
As shown in fig. 1 and 2, an auxiliary device for preventing oxidation in spot welding is installed on a copper electrode 5 of a resistance welding machine, and comprises a spray head 1, an air inlet pipe 2 positioned on the spray head 1, and a heat-shrinkable sleeve 3 sleeved on the spray head 1; the nozzle 1 is provided with a gas spraying hole 11, a gas flowing groove 12 and a positioning hole 13, the gas inlet pipe 2 is arranged in the positioning hole 13, gas entering the gas inlet pipe 2 flows into the gas flowing groove 12 and is discharged through the gas spraying hole 11, and the heat-shrinkable sleeve 3 corresponds to the gas flowing groove 12 in position and seals the gas flowing groove 12.
In this embodiment, the copper electrode 5 of the resistance welding machine includes an upper copper electrode 5 and a lower copper electrode 5, the auxiliary device is installed on the lower copper electrode 5, after the positioning bushing 4 is welded with the nozzle 1, the auxiliary device is fixed on the lower copper electrode 5 through the fixing hole 41 of the positioning bushing 4 by using a screw, then the inert gas enters the gas flowing groove 12 of the nozzle 1 through the gas inlet pipe 2, the gas flowing groove 12 is sealed by the heat-shrinkable sleeve 3, so the inert gas can only flow in the gas flowing groove 12, and the inert gas is discharged through the gas spraying hole 11, the position where the inert gas is sprayed is the position area where the product 6 is subjected to resistance welding, and the problem that the product 6 has appearance defects due to surface oxidation is effectively avoided.
In this embodiment, the positioning bushing 4 is provided with a fixing hole 41 and a clearance 42, the fixing hole 41 is a threaded hole, the fixing hole 41 can be matched with a screw to fix the positioning bushing 4, the clearance 42 corresponds to the position of the air inlet pipe 2, and the clearance 42 can avoid interference between the positioning bushing 4 and the air inlet pipe 2.
In the present embodiment, the gas injection holes 11 are located at the top of the showerhead 1 and are spaced apart along the circumferential direction of the showerhead 1, and the plurality of gas injection holes 11 can increase the amount of inert gas injected, ensuring effective protection of the product 6.
Specifically, the gas ejection holes 11 communicate with the gas flow grooves 12.
In the present embodiment, the gas flow groove 12 is located at the center of the showerhead 1 and has a ring-shaped configuration, thereby improving the fluidity of the inert gas in the gas flow groove 12.
To sum up, the utility model discloses an leading-in inert gas of auxiliary device because inert gas's guard action when product 6 carries out resistance weld, has avoided product 6 surface oxidation effectively and has produced appearance defect's problem, simultaneously, the utility model discloses simple structure, simple to operate is with low costs.
In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. A spot welding anti-oxidation auxiliary device is arranged on a copper electrode of a resistance welding machine and is characterized by comprising a spray head, an air inlet pipe positioned on the spray head and a heat-shrinkable sleeve sleeved on the spray head; the gas inlet pipe is arranged in the positioning hole, gas entering the gas inlet pipe flows into the gas flowing groove and is discharged through the gas spraying hole, and the heat-shrinkable sleeve corresponds to the gas flowing groove in position and seals the gas flowing groove.
2. The spot welding oxidation prevention auxiliary device according to claim 1, further comprising a positioning bush; the positioning bush can be matched with a copper pole of the resistance welding machine to fix the spray head.
3. The spot welding anti-oxidation auxiliary device according to claim 2, wherein the positioning bushing is provided with a fixing hole and a position avoiding opening, the fixing hole is a threaded hole, and the position avoiding opening corresponds to the air inlet pipe.
4. The auxiliary device for preventing oxidation in spot welding as claimed in claim 1, wherein the gas injection holes are located at the top of the nozzle and are spaced along the circumference of the nozzle.
5. The spot welding oxidation prevention auxiliary device according to claim 1 or 4, wherein the gas injection hole communicates with the gas flow groove.
6. The spot welding oxidation preventing auxiliary device according to claim 1, wherein the gas flow groove is located at a center of the nozzle head and has an annular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021273656.8U CN212734612U (en) | 2020-07-03 | 2020-07-03 | Anti-oxidation auxiliary device for spot welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021273656.8U CN212734612U (en) | 2020-07-03 | 2020-07-03 | Anti-oxidation auxiliary device for spot welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212734612U true CN212734612U (en) | 2021-03-19 |
Family
ID=75020468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021273656.8U Active CN212734612U (en) | 2020-07-03 | 2020-07-03 | Anti-oxidation auxiliary device for spot welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212734612U (en) |
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2020
- 2020-07-03 CN CN202021273656.8U patent/CN212734612U/en active Active
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