CN216177454U - Cold and hot wire consumable electrode gas shielded welding device - Google Patents
Cold and hot wire consumable electrode gas shielded welding device Download PDFInfo
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- CN216177454U CN216177454U CN202122325933.6U CN202122325933U CN216177454U CN 216177454 U CN216177454 U CN 216177454U CN 202122325933 U CN202122325933 U CN 202122325933U CN 216177454 U CN216177454 U CN 216177454U
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Abstract
The utility model discloses a cold and hot wire gas metal arc welding device, which comprises a main gun barrel, a main wire feeder and a welding power supply, wherein the main gun barrel is used for conveying a wire electrode to a workpiece; and an auxiliary gun tube for conveying a filling wire towards one end, close to the workpiece, of the electric arc is attached to the wire outlet end of the main gun tube, and the filling wire is not connected with a welding power supply. The workpiece and the electrode wire are respectively connected with the cathode and the anode of the welding power supply, when the workpiece and the electrode wire are close to each other, electric arcs are generated, the electric arcs release heat to melt the electrode wire which is continuously fed and drop into a molten pool, and therefore welding seams are formed. The filling wire is continuously fed to the electric arc through the auxiliary gun barrel, the filling wire is melted due to the heat of the electric arc, and the filling wire and the solution drops of the electrode wire fall into and fill the molten pool together, so that the effect of increasing the filling amount can be realized, and the welding efficiency is further improved.
Description
Technical Field
The utility model mainly relates to the technical field of equipment for gas metal arc welding, in particular to a cold and hot wire gas metal arc welding device.
Background
Gas metal arc welding is a welding method in which an arc continuously fed at a constant speed between a fusible welding wire and a workpiece to be welded is used as a heat source to fuse the welding wire and a base metal to form a molten pool and a weld. In order to obtain a good weld, the molten droplets, the bath metal and the high-temperature metal of the weld zone are protected from the harmful effects of the surrounding air by using the applied gas as an arc medium. The method has the advantages of high load duration rate, high cladding speed, high welding wire utilization rate, easy automation realization and strong adaptability, and is widely used.
The welding guns used in the existing gas metal arc welding are generally only capable of supplying a single wire which is used as an electrode and is continuously melted. The application of a single welding wire has the defects that the melting speed of the welding wire is limited under certain welding parameters, the filling amount of one-time welding is insufficient, the size of a welding line is limited, and the welding efficiency is not high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a cold and hot wire consumable electrode gas shielded welding device which can supplement welding wires to improve the welding efficiency.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a cold-hot wire gas metal arc welding device comprises a main gun barrel for conveying a wire electrode towards a workpiece, a main wire feeder for conveying the wire electrode towards the main gun barrel, and a welding power supply for applying voltage between the workpiece and the wire electrode, wherein an electric arc is formed between the workpiece and the wire electrode; and an auxiliary gun tube for conveying a filling wire towards one end, close to a workpiece, of the electric arc is attached to the wire outlet end of the main gun tube, and the filling wire is not connected with a welding power supply.
As a further improvement of the above technical solution:
the auxiliary barrel comprises a body for delivering a filler wire and a clamp for securing the body to the main barrel.
The body is formed with a hollow channel for conveying a filler wire, and a wire outlet end of the hollow channel is bent toward the arc.
The clamp comprises a main pipe sleeve for clamping the main gun pipe and an auxiliary pipe sleeve for mounting the auxiliary gun pipe; the main pipe sleeve is hinged with the auxiliary pipe sleeve, and the hinged shaft is perpendicular to the different surface of the central axis of the screw outlet end of the main gun barrel.
The main pipe sleeve is in an open ring shape, and an adjusting bolt for adjusting the size of the split ring is arranged at the open end of the main pipe sleeve; the main pipe sleeve is detachably sleeved at the wire outlet end of the main gun pipe so as to rotate 360 degrees around the main gun pipe.
The auxiliary pipe sleeve is provided with a mounting hole for penetrating the body in a molding manner, and the mounting hole is provided with a fastening bolt for extruding the body; the body is detachably arranged in the mounting hole in a penetrating mode.
The welding device also includes a secondary wire feeder for feeding a filler wire to the secondary barrel.
The wire feeding speed of the auxiliary wire feeder is adjustable.
The workpiece is connected with the negative electrode of the welding power supply, and the electrode wire is connected with the positive electrode of the welding power supply through the main wire feeder.
The main barrel sleeve is arranged into a waist-shaped annular structure with an opening at one end, and the distance and the included angle between the auxiliary barrel and the main barrel can be adjusted by changing the depth and the angle of the main barrel embedded into the main barrel sleeve.
Compared with the prior art, the utility model has the advantages that:
the filling wire is continuously fed to the electric arc through the auxiliary gun barrel, the filling wire is melted due to the heat of the electric arc, and the filling wire and the solution drops of the electrode wire fall into and fill the molten pool together, so that the effect of increasing the filling amount can be realized, and the welding efficiency is further improved. And because the filling wire is melted only by the heat of the electric arc and does not need to be connected with a welding power supply, the structure of the device can be simplified, and the manufacturing cost can be reduced.
Drawings
FIG. 1 is a schematic view of the connection of a cold-hot wire gas metal arc welding apparatus;
FIG. 2 is a schematic structural view (partial) of a cold and hot wire gas metal arc welding device;
fig. 3 is a schematic cross-sectional view of a secondary barrel.
The reference numerals in the figures denote: 1. a workpiece; 2. a wire electrode; 3. a main barrel; 4. a primary wire feeder; 5. a welding power supply; 6. an electric arc; 7. filling silk; 8. an auxiliary barrel; 81. a body; 811. a hollow channel; 82. a clamp; 821. a main pipe sleeve; 8211. adjusting the bolt; 822. an auxiliary pipe sleeve; 8221. mounting holes; 8222. fastening a bolt; 9. and an auxiliary wire feeder.
Detailed Description
The utility model will be described in further detail below with reference to the drawings and specific examples.
As shown in fig. 1 to 3, the welding apparatus for cold and hot wire gas metal arc welding of the present embodiment includes a main barrel 3 for feeding a wire electrode 2 toward a workpiece 1, a main wire feeder 4 for feeding the wire electrode 2 toward the main barrel 3, and a welding power source 5 for applying a voltage between the workpiece 1 and the wire electrode 2, an arc 6 being formed between the workpiece 1 and the wire electrode 2; the exit end of the main barrel 3 is attached with a secondary barrel 8 for feeding a filler wire 7 towards the end of said arc 6 close to the workpiece 1, the filler wire 7 not being connected to the welding power supply 5. The workpiece 1 and the wire electrode 2 are connected to the negative electrode and the positive electrode of the welding power source 5, respectively, and when they approach each other, an arc 6 is generated due to the presence of voltage, and the arc 6 exothermically melts the wire electrode 2 continuously fed and drops into the molten pool, thereby forming a weld. Through setting up auxiliary gun barrel 8 and continuously feeding filling wire 7 to electric arc 6, filling wire melts because of the heat of electric arc 6, together falls into, fills the molten bath with the solution of wire electrode 2 to can realize the effect of increase filling volume, and then promote welding efficiency. And because the filling wire 7 is melted only by the heat of the electric arc 6 and does not need to be connected with the welding power supply 5, the structure of the device can be simplified and the manufacturing cost can be reduced.
In this embodiment, the auxiliary barrel 8 comprises a body 81 for delivering the filler wire 7 and a clamp 82 for fixing the body 81 to the main barrel 3. The auxiliary barrel 8 comprises a body 81 and a clamp 82, the body 81 being used for delivering the filler wire 7, the clamp 82 being used for fixing the body 81 to the main barrel 3. The auxiliary barrel 8 is provided with the body 81 and the clamp 82 which are structurally independent from each other, so that when any structure is damaged, only corresponding replacement is needed, and the use cost can be reduced.
In the present embodiment, the body 81 is formed with a hollow channel 811 for conveying the filler wire 7, and the wire outlet end of the hollow channel 811 is bent toward the arc 6. Since body 81 is secured to main barrel 3 via clamp 82, hollow passageway 811 is provided in body 81 to secure the relative position of filler wire 7 and main barrel 3 therethrough. In order to align the filler wire 7 with the arc 6, the outlet end of the hollow channel 811 is bent toward the arc 6, and the filler wire 7 extends from the outlet end and then advances toward the arc 6, and then melts and drops after contacting the arc column of the arc 6.
In this embodiment, the clamp 82 includes a main sleeve 821 for clamping the main barrel 3 and a sub sleeve 822 for mounting the sub barrel 8; the main sleeve 821 is hinged with the auxiliary sleeve 822, and the hinge axis is perpendicular to the opposite surface of the central axis of the outlet end of the main barrel 3. The sub-sleeve 822 is rotatable about the hinge axis to adjust the filler wire 7 to be rotated in synchronization so that it can be aligned with the arc 6.
In this embodiment, the main sleeve 821 is in the shape of an open ring, and an adjusting bolt 8211 for adjusting the size of the open ring is arranged at the open end of the main sleeve; the main sleeve 821 is detachably sleeved on the screw outlet end of the main barrel 3 to realize 360-degree rotation around the main barrel 3. The position of the secondary barrel 8 may be an obstacle to the welder's realisation during the welding process. By arranging the main sleeve 821 in an open ring shape and changing the tightness between the main barrel 3 and the main sleeve 821 by changing the adjusting bolt 8211, when the two are in a loose state, the main sleeve 821 can rotate around the circumference of the outgoing end of the main barrel 3, so that the position of the auxiliary barrel 8 is changed to avoid blocking the sight. Moreover, the main pipe sleeve 821 and the main gun pipe 3 are detachably connected, so that the auxiliary gun pipe 8 can be detached from the main gun pipe 3 to be applied to different welding guns, and the use cost is saved.
In this embodiment, the sub-sleeve 822 is formed with a mounting hole 8221 for penetrating the body 81, and the mounting hole 8221 is fitted with a fastening bolt 8222 for pressing the body 81; the body 81 is detachably inserted into the mounting hole 8221. The auxiliary pipe sleeve 822 and the body 81 are arranged to be mutually independent structures, so that when any structure is damaged, only corresponding replacement is needed, and the use cost can be reduced.
In this embodiment, the welding device further comprises a secondary wire feeder 9 for feeding the filler wire 7 to the secondary barrel 8. The function of continuous wire supply can be realized by arranging the auxiliary wire feeder 9.
In this embodiment, the wire feeding rate of the secondary wire feeder 9 is adjustable. By changing the wire feeding rate of the secondary wire feeder 9, the filling efficiency of the molten pool can be adjusted.
In this embodiment, the workpiece 1 is connected to the negative electrode of the welding power supply 5, and the wire electrode 2 is connected to the positive electrode of the welding power supply 5 via the main wire feeder 4. When the wire electrode 2 is brought close to the workpiece 1, an arc 6 is generated, by means of which arc 6 the heat can melt the wire.
In this embodiment, the main barrel 821 is configured as a waist-shaped ring structure with an open end, and the distance and the included angle between the auxiliary barrel 8 and the main barrel 3 are adjusted by changing the depth and the angle of the main barrel 3 embedded into the main barrel 821. The main sleeve 821 is arranged into a waist-shaped annular structure with one end open, so that the main barrel 3 has a certain adjusting space in the main sleeve 821, when the depth of the main sleeve 821 embedded into the main sleeve 821 is larger, the distance between the auxiliary barrel 8 and the main barrel 3 is smaller, and vice versa; also, the angle between the sub-barrel 8 and the barrel 3 can be changed by changing the inclination of the main barrel 3 in the main sleeve 821, so that the feed position and angle of the filler wire 7 can be adjusted from more dimensions, enabling it to be aimed at the arc 6.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the utility model, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (10)
1. A cold and hot wire gas metal arc welding device comprises a main gun barrel (3) used for conveying a wire electrode (2) towards a workpiece (1), a main wire feeder (4) used for conveying the wire electrode (2) towards the main gun barrel (3), and a welding power supply (5) used for applying voltage between the workpiece (1) and the wire electrode (2), wherein an electric arc (6) is formed between the workpiece (1) and the wire electrode (2); the method is characterized in that: and a secondary gun tube (8) used for conveying a filling wire (7) towards one end, close to the workpiece (1), of the electric arc (6) is attached to the wire outlet end of the main gun tube (3), and the filling wire (7) is not connected with the welding power supply (5).
2. A cold-hot wire gas metal arc welding apparatus according to claim 1, wherein: the auxiliary barrel (8) comprises a body (81) for conveying the filler wire (7) and a clamp (82) for fixing the body (81) to the main barrel (3).
3. A cold-hot wire gas metal arc welding apparatus according to claim 2, wherein: the body (81) is formed with a hollow channel (811) for conveying the filler wire (7), and the outlet end of the hollow channel (811) is bent towards the arc (6).
4. A cold-hot wire gas metal arc welding apparatus according to claim 2, wherein: the clamp (82) comprises a main sleeve (821) for clamping the main barrel (3) and an auxiliary sleeve (822) for mounting the auxiliary barrel (8); the main pipe sleeve (821) is hinged with the auxiliary pipe sleeve (822), and a hinged shaft is perpendicular to the different surface of the central axis of the screw outlet end of the main gun barrel (3).
5. The cold-hot wire gas metal arc welding device according to claim 4, characterized in that: the main pipe sleeve (821) is in an open ring shape, and an adjusting bolt (8211) for adjusting the size of the split ring is arranged at the open end of the main pipe sleeve; the main pipe sleeve (821) is detachably sleeved at the screw outlet end of the main gun pipe (3) to rotate 360 degrees around the main gun pipe (3).
6. The cold-hot wire gas metal arc welding device according to claim 4, characterized in that: the auxiliary pipe sleeve (822) is formed with a mounting hole (8221) for penetrating a body (81), and the mounting hole (8221) is assembled with a fastening bolt (8222) for extruding the body (81); the mounting hole (8221) is internally and detachably provided with a body (81) in a penetrating way.
7. A cold-hot wire gas metal arc welding apparatus according to claim 1, wherein: the welding device further comprises a secondary wire feeder (9) for feeding a filler wire (7) to the secondary barrel (8).
8. A cold-hot wire gas metal arc welding apparatus according to claim 7, wherein: the wire feeding speed of the auxiliary wire feeder (9) is adjustable.
9. A cold-hot wire gas metal arc welding device according to any one of claims 1 to 8, wherein: the workpiece (1) is connected with the negative electrode of the welding power supply (5), and the electrode wire (2) is connected with the positive electrode of the welding power supply (5) through the main wire feeder (4).
10. A cold-hot wire gas metal arc welding apparatus according to claim 5, wherein: the main pipe sleeve (821) is arranged into a waist-shaped annular structure with one end open, and the distance and the included angle between the auxiliary gun barrel (8) and the main gun barrel (3) are adjusted by changing the depth and the angle of the main gun barrel (3) embedded into the main pipe sleeve (821).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122325933.6U CN216177454U (en) | 2021-09-23 | 2021-09-23 | Cold and hot wire consumable electrode gas shielded welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122325933.6U CN216177454U (en) | 2021-09-23 | 2021-09-23 | Cold and hot wire consumable electrode gas shielded welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216177454U true CN216177454U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122325933.6U Active CN216177454U (en) | 2021-09-23 | 2021-09-23 | Cold and hot wire consumable electrode gas shielded welding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216177454U (en) |
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2021
- 2021-09-23 CN CN202122325933.6U patent/CN216177454U/en active Active
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Address after: 410100 No.166, Huangxing Avenue, Changsha area, Changsha pilot Free Trade Zone, Hunan Province Patentee after: Changsha Tianyi Intelligent Technology Co.,Ltd. Address before: 410000 Room 101, building C9, Xingsha international logistics park, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Patentee before: Hunan Tianyi Intelligent Technology Co.,Ltd. |