CN214322269U - Welding device for steel plate - Google Patents
Welding device for steel plate Download PDFInfo
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- CN214322269U CN214322269U CN202120088103.3U CN202120088103U CN214322269U CN 214322269 U CN214322269 U CN 214322269U CN 202120088103 U CN202120088103 U CN 202120088103U CN 214322269 U CN214322269 U CN 214322269U
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Abstract
The invention relates to the technical field of welding, and discloses a steel plate welding device. The utility model provides a welding set of steel sheet, includes the device frame, installs the running roller of carrying the steel sheet on the device frame, and the gap between two blocks of steel sheets that will weld is the welding position, still has the welding arm on the device frame, the welding arm below have the welding rifle: the welding gun is also arranged below the welding arm through a first high-frequency vibration device; a method for welding steel plates, wherein a welding gun is used for welding the steel plates, and the welding gun is used for welding in vibration during the welding process. The welding device and the welding method for the steel plates have the advantages that the welding position is not easy to crack, and the welding quality is good.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a welding device and a welding method.
Background
The steel plates are welded together to form a complete steel plate.
The welding device for the steel plates is provided with a device frame, a roller for conveying the steel plates is arranged on the device frame, the roller is used for conveying the steel plates, a gap between the two steel plates is a welding position, a welding arm is arranged on the device frame, a welding gun is arranged below the welding arm, the gap between the two steel plates always runs below the welding gun under the action of the roller, and the welding gun is used for welding the two steel plates.
In the prior art, the welding gun is fixed below the welding arm, and the welding gun is immobile in the welding process, so that the welding position is infirm, and the welding quality of the steel plate is affected.
Disclosure of Invention
The invention aims to provide a welding device and a welding method for steel plates, which aim to overcome the defects that a welding position is not easy to crack and the welding quality is good.
The technical scheme adopted by the welding device for the steel plate is as follows: the utility model provides a welding set of steel sheet, includes the device frame, installs the running roller of carrying the steel sheet on the device frame, and the gap between two blocks of steel sheets that will weld is welding position, still has the welding arm on the device frame, the welding arm below have welding rifle, characterized by: the welding gun is also arranged below the welding arm through a first high-frequency vibration device.
Further, the first high-frequency vibration device comprises a left-right vibration device and a front-back vibration device.
Further, a second low-amplitude vibration device is arranged on a device frame below the welding gun and contacts the steel plate conveyed by the roller.
Further, during welding, the steel plate is conveyed from back to front, a pair of damping rollers are arranged in front of the second low-amplitude vibration device, the pair of damping rollers comprise an upper damping roller and a lower damping roller, damping sleeves made of rubber are arranged on the peripheries of the upper damping roller and the lower damping roller, the upper damping roller and the lower damping roller are arranged in the front and at the back in the length direction, and steel plate channels which are welded well are arranged below the upper damping roller and above the lower damping roller.
Further, during welding, the steel plates to be welded are conveyed from back to front, and a flame spray nozzle is arranged behind the welding gun and faces the welding position of the steel plates to be welded.
Furthermore, a clamping plate is arranged on the device frame and in front of the lower surface of the welding gun, and the clamping plates clamp two sides of the welded steel plate.
The technical scheme adopted by the welding method of the steel plate is as follows: a method for welding steel plates, wherein a welding gun is used for welding the steel plates, and the welding gun is used for welding in vibration during the welding process.
The invention has the beneficial effects that: the welding device and the welding method for the steel plates have the advantages that the welding position is not easy to crack, and the welding quality is good.
Drawings
Fig. 1 is a schematic top view of the present invention.
Fig. 2 is a schematic sectional view taken along the direction a-a in fig. 1.
Fig. 3 is a schematic sectional view taken along the direction B-B in fig. 2.
The welding device comprises a device frame 1, a device frame 2, a roller 3, a welding position 4, a welding arm 5, a welding gun 6, a first high-frequency vibration device 61, a left-right vibration device 62, a front-back vibration device 7, a second low-amplitude vibration device 8, an upper vibration damping roller 9, a lower vibration damping roller 10, a vibration damping sleeve 11, a flame nozzle 12 and a clamping plate.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, a welding device for steel plates comprises a device frame 1, a roller 2 for conveying the steel plates is arranged on the device frame, a welding position 3 is a gap between two steel plates to be welded, a welding arm 4 is further arranged on the device frame, and a welding gun 5 is arranged below the welding arm, and is characterized in that: the welding gun is also mounted below the welding arm via a first high-frequency vibration device 6.
The working principle is that in the welding process of the welding gun, under the action of the first high-frequency vibration device, the welding point continuously changes in position and changes in high frequency, so that higher strength of the welding point can be realized, and the purpose of the invention is further realized.
The vibration device is a vibration device in the prior art, and can be a mechanical vibration device or an electromagnetic vibration device.
The welding gun of the device is suitable for chemical welding, welding rod welding, secondary protection welding and the like.
The best method is as follows: the first high-frequency vibration device has the amplitude of 1-2 mm and the frequency of 10-15 Hz. Thus, a better welding effect can be achieved.
Further, the first high-frequency vibrating device includes a left-right vibrating device 61 and a front-rear vibrating device 62, as shown in fig. 3.
Further, a second low-amplitude vibration device 7 is arranged on the device frame below the welding gun and is in contact with the steel plate conveyed by the roller.
The working principle is that after welding is finished, the welding is still in an unstable device, and under the action of the second low-amplitude vibration device, the welding flux is firmer, so that higher welding point strength can be realized, and the aim of the invention is further fulfilled.
The best method is as follows: the amplitude of the second low-amplitude vibration device is less than 0.1 millimeter, and the frequency is 20-30 Hz. Thus, a better welding effect can be achieved. If the amplitude of the second low-amplitude vibration device exceeds 0.5 mm, the strength of the weld is reduced.
Further, during welding, the steel plate is conveyed from back to front, a pair of damping rollers are arranged in front of the second low-amplitude vibration device, the pair of damping rollers comprises an upper damping roller 8 and a lower damping roller 9, damping sleeves 10 made of rubber are arranged on the peripheries of the upper damping roller and the lower damping roller, the upper damping roller and the lower damping roller are arranged in front and at the back in the length direction, and steel plate channels which are welded are arranged below the upper damping roller and above the lower damping roller.
The device is arranged in such a way that the welding flux is preferably in a stable state after the steel plate is welded for a period of time, and at the moment, the welding part is under the action of the damping roller, so that the influence of the second low-amplitude vibration device on the welding position is reduced, the welding flux at the welding part can be ensured to be more stable, and the effect of improving the quality is achieved.
Further, during welding, the steel plates to be welded are conveyed from back to front, and a flame nozzle 11 is arranged behind the welding gun and faces the welding position of the steel plates to be welded.
The device is arranged in such a way that the welding part of the steel plate is heated firstly before welding, so that the effect of good welding effect can be achieved.
Furthermore, a clamping plate 12 is arranged on the device frame and in front of the lower surface of the welding gun, and the clamping plate clamps two sides of the welded steel plate.
The clamping plates can be clamped from two sides of the welded steel plate to the middle.
The device is arranged in such a way, so that the connection between the welding flux and the steel plate at the welding position can be promoted, and the welding quality can be improved.
The welding method of the present invention will be further described with reference to examples.
Example 1.
And welding the steel plate by adopting a static state of a welding gun.
The quality of the weld is general.
Example 2
Using the above apparatus, namely: the steel plate is welded by using a welding gun, the welding gun is welded in vibration in the welding process, the amplitude is 1-2 mm, and the frequency is 10-15 Hz. The welding quality of the steel plate is improved to different degrees.
Example 3
In the above embodiment 2, the welding gun vibration device includes the left-right vibration device and the front-rear vibration device, and the welding quality is better.
Example 4
In the above examples 2 and 3, the welded steel plates were subjected to low-amplitude vibration within 5 seconds after the completion of welding, wherein the low-amplitude vibration was less than 0.1 mm and the frequency was 20 to 30 hz. The weld strength is higher.
Example 5
In the above embodiment, the weld strength is higher when the welded portion is heated before the steel sheets are welded.
Example 6
In the above embodiment, the weld strength is higher when the welded portion is heated before the steel sheets are welded.
The heating temperature is preferably from 400 ℃ to 500 ℃.
Example 7
In the above embodiment, the welding strength is higher when both sides of the welded steel plate are clamped after the steel plate is welded.
The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the field of the present invention by those skilled in the art are covered within the scope of the present invention.
Claims (4)
1. The utility model provides a welding set of steel sheet, includes the device frame, installs the running roller of carrying the steel sheet on the device frame, and the gap between two blocks of steel sheets that will weld is welding position, still has the welding arm on the device frame, the welding arm below have welding rifle, characterized by: the welding gun is also arranged below the welding arm through a first high-frequency vibration device.
2. The apparatus for welding steel plates according to claim 1, wherein: the first high-frequency vibration device comprises a left-right vibration device and a front-back vibration device.
3. The apparatus for welding steel plates according to claim 2, wherein: and a second low-amplitude vibration device is arranged on a device frame below the welding gun and contacts the steel plate conveyed by the roller.
4. The apparatus for welding steel plates according to claim 3, wherein: during welding, the steel sheet by back to preceding transport, have mated damping roller in the front of the low amplitude vibrating device of second, mated damping roller includes damping roller and lower damping roller, the damping cover that upper damping roller and lower damping roller periphery were made of rubber, set up around upper damping roller and the length direction of lower damping roller, be the steel sheet passageway that welds well below the upper damping roller and above the lower damping roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120088103.3U CN214322269U (en) | 2021-01-14 | 2021-01-14 | Welding device for steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120088103.3U CN214322269U (en) | 2021-01-14 | 2021-01-14 | Welding device for steel plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214322269U true CN214322269U (en) | 2021-10-01 |
Family
ID=77910302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120088103.3U Active CN214322269U (en) | 2021-01-14 | 2021-01-14 | Welding device for steel plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214322269U (en) |
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2021
- 2021-01-14 CN CN202120088103.3U patent/CN214322269U/en active Active
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