CN204997218U - Gaseous throttling arrangement and gas shielded arc welding machine - Google Patents
Gaseous throttling arrangement and gas shielded arc welding machine Download PDFInfo
- Publication number
- CN204997218U CN204997218U CN201520723417.0U CN201520723417U CN204997218U CN 204997218 U CN204997218 U CN 204997218U CN 201520723417 U CN201520723417 U CN 201520723417U CN 204997218 U CN204997218 U CN 204997218U
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- China
- Prior art keywords
- gas
- throttle device
- welding machine
- vent portion
- gas shielded
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Abstract
The utility model provides a gaseous throttling arrangement and a gas shielded arc welding machine belong to the welding technique field. This gas throttling arrangement includes that one can set up the cylinder in the gas outlet portion of gas shielded arc welding machine, the through -hole has been seted up along the axis direction to the cylinder, the diameter of through -hole is greater than 0, and is less than 1.5 millimeters. Through the utility model discloses a gaseous throttling arrangement and gas shielded arc welding machine can effectively reduce to weld the impact of initial stage protective gas to electric arc to improve the stability of electric arc.
Description
[technical field]
The utility model relates to welding technology field, particularly relates to a kind of gas throttle device and a kind of gas shielded welding machine.
[background technology]
At present, in gas shielded welding machine, be usually configured with the parts such as tracheae, air valve, gas vent portion.In welding process, spray protective gas from tracheae, air valve, gas vent portion, isolated extraneous air, thus protection molten bath.But the internal diameter in tracheae, air valve, gas vent portion is general all larger, and the pressure of the protective gas therefore therefrom sprayed is also larger.Especially at the welding initial stage, in the moment that air valve is opened, the protective gas sprayed from gas vent portion is comparatively large to the impact of electric arc, can cause welding machine striking difficulty like this, or need electric arc for a long time to stablize.
[utility model content]
[technical problem]
The utility model is intended to for the problems of the prior art, provides a kind of gas throttle device and a kind of gas shielded welding machine.
[solution]
The gas throttle device that the utility model provides comprises one can be arranged at cylinder in the gas vent portion of gas shielded welding machine, and cylinder offers through hole in the axial direction, and the diameter of through hole is greater than 0, and is less than 1.5 millimeters.
The utility model also provides a kind of gas shielded welding machine, comprising: gas vent portion; And gas throttle device as above, it is arranged in gas vent portion, and the cylindrical axis direction of gas throttle device is parallel to the axis direction in gas vent portion.
[utility model beneficial effect]
By gas throttle device of the present utility model and gas shielded welding machine, welding initial stage protective gas can be effectively reduced to the impact of electric arc, thus improve the stability of electric arc.
[accompanying drawing explanation]
Fig. 1 is the gas throttle device of the utility model first embodiment and the assembling schematic diagram in gas vent portion;
Fig. 2 is the structural representation of the gas throttle device of the utility model first embodiment; And
Fig. 3 is the right view of the gas throttle device shown in Fig. 2.
[detailed description of the invention]
Core concept of the present utility model is, in the gas vent portion of gas shielded welding machine, is provided with the gas throttle device of through hole, when welding, protective gas is sprayed from through hole.Because the diameter of through hole is smaller, so the pressure of the protective gas sprayed from through hole is just smaller, when this reduces welding, protective gas is to the impact of electric arc.
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described.
[the first embodiment]
As shown in Figure 1 to Figure 3; the gas throttle device 10 of the utility model first embodiment comprises one can be arranged at cylinder in the gas vent portion 20 of gas shielded welding machine; cylinder offers through hole 1 along axis C direction, and the diameter of through hole 1 is greater than 0, and is less than 1.5 millimeters.
Before welding, first gas throttle device 10 is arranged in the gas vent portion 20 of gas shielded welding machine.Like this when welding, protective gas can be made to spray from through hole 1.Experimentally result, when the diameter of through hole 1 is less than 1.5 millimeters, during welding, the impact of protective gas to electric arc is less.Striking so just can be made to be more prone to, and electric arc also can be stablized at short notice.
Preferably, the cylindrical axial length of the gas throttle device 10 of the utility model first embodiment is greater than 3 millimeters.Experimentally result, if cylindrical axial length is greater than 3 millimeters, during welding, protective gas can be less to the impact of electric arc, and striking also can be more prone to.
In addition, can be that a gas shielded welding machine is equipped with multiple gas throttle device 10.The diameter of the through hole 1 of each gas throttle device 10 is different, or the cylindrical axial length of each gas throttle device 10 is different.According to different welding conditions, different gas throttle devices 10 can be selected like this, thus make the pressure of the protective gas of ejection more suitable, to obtain better striking effect.
Preferably, the cylindrical side of the gas throttle device 10 of the utility model first embodiment is provided with screw thread.This screw thread is used for matching with the screw thread of the inner peripheral surface in the gas vent portion 20 of gas shielded welding machine, thus makes gas throttle device 10 tighter with the combination in gas vent portion 20.Like this when spraying protective gas, gas leakage can not be caused.
Preferably, a cylindrical bottom surface of the gas throttle device 10 of the utility model first embodiment offers groove 2.When gas throttle device 10 being installed on the gas vent portion 20 of gas shielded welding machine, screwdriver can insertion groove 2, is then screwed in gas vent portion 20 by gas throttle device 10.
Preferably, the cylinder of the gas throttle device 10 of the utility model first embodiment is provided with from the side to the chamfering 3 of bottom surface.When gas throttle device 10 being installed on the gas vent portion 20 of gas shielded welding machine, can more easily gas throttle device 10 be inserted in gas vent portion 20 by chamfering 3.
Assembling below in conjunction with the gas vent portion 20 of accompanying drawing 1 pair of above-mentioned gas throttling arrangement 10 and gas shielded welding machine is described.
As shown in Figure 1, gas throttle device 10 is arranged in gas vent portion 20.The cylindrical axis direction of gas throttle device 10 is parallel to the axis direction in gas vent portion 20.
Preferably, the inner peripheral surface in gas vent portion 20 is provided with screw thread, and it matches with the screw thread of the cylindrical side of gas throttle device 10.
Preferably, a cylindrical bottom surface of gas throttle device 10 offers groove 2 (as shown in Figures 2 and 3), offers the outside of bottom surface towards gas vent portion 20 of groove 2.By such structure, when gas throttle device 10 is installed in gas vent portion 20, can with screwdriver, gas throttle device 10 be screwed in gas vent portion 20 easily.
[the second embodiment]
The utility model also provides a kind of gas shielded welding machine, and it comprises gas throttle device 10 described in the first embodiment and gas export department 20.Gas throttle device 10 is identical with the first embodiment with the structure of gas export department 20, omits detailed description at this.
Above, with reference to detailed or specific embodiment, the utility model is illustrated, but those skilled in the art understand: various change and correction can be carried out under the prerequisite not departing from spirit of the present utility model and scope.
[industrial applicibility]
By gas throttle device of the present utility model and gas shielded welding machine, welding initial stage protective gas can be effectively reduced to the impact of electric arc, thus improve the stability of electric arc.
[reference numerals list]
1 through hole
2 grooves
3 chamferings
10 gas throttle devices
20 gas vent portions
Claims (10)
1. a gas throttle device; it is characterized in that, comprise one and can be arranged at cylinder in the gas vent portion of gas shielded welding machine, described cylinder offers through hole (1) in the axial direction; the diameter of described through hole (1) is greater than 0, and is less than 1.5 millimeters.
2. gas throttle device as claimed in claim 1, it is characterized in that, described cylindrical axial length is greater than 3 millimeters.
3. gas throttle device as claimed in claim 1, it is characterized in that, described cylindrical side is provided with screw thread.
4. gas throttle device as claimed in claim 3, is characterized in that, a described cylindrical bottom surface offers groove (2).
5. gas throttle device as claimed in claim 1, it is characterized in that, described cylinder is provided with from the side to the chamfering (3) of bottom surface.
6. a gas shielded welding machine, is characterized in that, comprising:
Gas vent portion (20); And
Gas throttle device as claimed in claim 1 (10), it is arranged in described gas vent portion (20), and the cylindrical axis direction of described gas throttle device (10) is parallel to the axis direction of described gas vent portion (20).
7. gas shielded welding machine as claimed in claim 6, it is characterized in that, the cylindrical axial length of described gas throttle device (10) is greater than 3 millimeters.
8. gas shielded welding machine as claimed in claim 6, is characterized in that,
The cylindrical side of described gas throttle device (10) is provided with screw thread, the inner peripheral surface of described gas vent portion (20) is provided with screw thread, and the screw thread of described cylindrical side matches with the screw thread of the inner peripheral surface of described gas vent portion (20).
9. gas shielded welding machine as claimed in claim 8, is characterized in that,
A cylindrical bottom surface of described gas throttle device (10) offers groove (2), offers the outside of described bottom surface towards described gas vent portion (20) of groove (2).
10. gas shielded welding machine as claimed in claim 6, it is characterized in that, the cylinder of described gas throttle device (10) is provided with from the side to the chamfering (3) of bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520723417.0U CN204997218U (en) | 2015-09-17 | 2015-09-17 | Gaseous throttling arrangement and gas shielded arc welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520723417.0U CN204997218U (en) | 2015-09-17 | 2015-09-17 | Gaseous throttling arrangement and gas shielded arc welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204997218U true CN204997218U (en) | 2016-01-27 |
Family
ID=55154123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520723417.0U Active CN204997218U (en) | 2015-09-17 | 2015-09-17 | Gaseous throttling arrangement and gas shielded arc welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204997218U (en) |
-
2015
- 2015-09-17 CN CN201520723417.0U patent/CN204997218U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |