CN214640897U - Wire feeding structure for gas shield welding gun - Google Patents
Wire feeding structure for gas shield welding gun Download PDFInfo
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- CN214640897U CN214640897U CN202022819828.3U CN202022819828U CN214640897U CN 214640897 U CN214640897 U CN 214640897U CN 202022819828 U CN202022819828 U CN 202022819828U CN 214640897 U CN214640897 U CN 214640897U
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Abstract
The utility model relates to a gas shield welding welder is with sending a structure, gas shield welding welder includes the welder main part, install the tip in the welder main part and have the contact tube in electrode hole, install the tip in the welder main part and be located the spray tube in the contact tube outside, be provided with the confession silk passageway that supplies the welding wire to pass through in the welder main part, the electrode hole that supplies on silk passageway and the contact tube is linked together, be provided with in supplying the silk passageway and send a hose and fixed head, the rear end of fixed head is connected with sending a hose, the front end of fixed head is fixed with supplying the silk passageway, and be provided with the spacing via hole that supplies the welding wire to pass in the fixed head, the welding wire is sent to the contact tube through sending a hose and fixed head in proper order after supplying the other end of silk passageway to insert, and send out through the electrode hole on the contact tube. The utility model discloses improved the fixed knot who supplies the silk hose in the passageway and constructed, can prevent to send the influence that the silk hose disturbance was given vent to anger the form to the protective gas and the influence that send the silk to the welding wire, effectively improved the welding effect of shielded welding.
Description
Technical Field
The utility model relates to a welder equipment technical field, concretely relates to gas shield welding welder with novel gas shielded cell passageway.
Background
Gas shielded welding, i.e. gas metal arc welding, refers to a welding method using carbon dioxide or argon for shielding, and uses a welding wire instead of a welding rod, wherein the carbon dioxide shielded welding has high efficiency, and the argon shielded welding mainly welds aluminum, titanium, stainless steel and other materials.
Gas shielded welding supplies a continuous consumable wire electrode (wire) through the tip of a welding gun, while a nozzle surrounds the tip to supply a shielding gas, and a constant voltage dc power supply creates an arc between the continuously supplied wire electrode and the workpiece to form a weld pool. The shielding gas is piped through the torch between the lance and the contact tip to shield the molten pool from atmospheric gases such as nitrogen and oxygen, which can cause fusion defects, porosity and weld metal embrittlement, enhancing the welding results.
One problem of above-mentioned gas shield welding is that the gas passage utilizes the passageway of supplying the welding wire to carry out the air feed, in order to guarantee reliability and the stability of sending a silk, can set up a hose in supplying a silk passageway usually, it is at present mostly to be free state to send a hose, and traditional air feed form leads to really can't effectively fixing to sending a hose moreover, consequently make send a hose and welding wire to produce the disturbance at welder during operation, lead to the welding wire supply unstable, and send a hose and welding wire disturbance to influence and give vent to anger the effect, lead to gaseous giving vent to anger unsmoothly.
Therefore, it is desirable to improve the structure of the gas passage and the wire feed hose in the wire feed passage to avoid interference therebetween.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a gas shield welds welder with sending a structure, its fixed knot who has improved the wire feed hose that supplies in the silk passageway constructs, can prevent to send the influence of wire feed hose disturbance to the shape of giving vent to anger of shielding gas, effectively improves the welding effect of shielded welding.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a gas shield welding welder is with sending a structure, gas shield welding welder include the welder main part, install at the tip of welder main part and have the contact tube of electrode hole, install the tip of welder main part is located the spray tube in the contact tube outside is provided with the confession silk passageway that supplies the welding wire to pass through in the welder main part, supply the silk passageway with the electrode hole on the contact tube is linked together supply to be provided with in the silk passageway and send a hose and fixed head, the rear end of fixed head with it is connected to send the silk hose, the front end of fixed head is fixed with the confession silk passageway, and be provided with the spacing via hole that supplies the welding wire to pass in the fixed head, the welding wire warp after supplying the other end of silk passageway to insert in proper order send a hose and fixed head to the contact tube, and warp the electrode hole on the contact tube is sent out.
For the above technical solution, the applicant has further optimization measures.
Optionally, the welding gun main body comprises a copper pipe and an aluminum pipe fixed on the outer side of the copper pipe, an internal thread is arranged at the end of a wire supply channel of the copper pipe, the contact tip is in threaded fit with the wire supply channel, a limiting cavity is formed in the rear end of the contact tip, and the front end of the fixing head is in threaded fit with the limiting cavity.
Optionally, a gas outlet is formed in a side wall of the welding gun main body between the contact tip and the nozzle, the gas outlet is communicated with the wire supply channel, and the wire supply channel is used as a gas channel.
Optionally, at least one through groove is formed in the outer side of the copper pipe along the axis direction of the copper pipe, a gas channel is formed between the through groove and the inner side wall of the aluminum pipe, one end of the gas channel is connected with an external protector gas source, the other end of the gas channel is communicated with a gas outlet cavity formed by the spray pipe, and a hollow middle channel and a middle channel of the copper pipe are the wire supply channel.
Further, an insulating tube is arranged between the copper tube and the aluminum tube.
Optionally, a nozzle holder is fixed to the outer side of the end of the welding gun body, and the nozzle is fixed to the nozzle holder in a threaded connection manner.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model discloses a send a structure sets up in gas shield welding welder's confession silk passageway for welding wire wherein assists fixedly, can guarantee that the welding wire send a stable the going on of smooth and easy and weldment work, can improve the shaping of giving vent to anger of protective gas simultaneously, can cover the molten bath better, guarantee the welding effect better.
Further, different channels are respectively arranged for the welding wire and the shielding gas in the welding gun main body, so that mutual interference between the welding wire and the shielding gas is avoided, normal and stable supply of the welding wire can be guaranteed, meanwhile, the gas outlet forming of the shielding gas can be improved, a molten pool can be better covered, and the welding effect is better guaranteed.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic illustration of an explosive structure of a gas shield welding torch according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of a portion of the gas shield welding torch of FIG. 1;
FIG. 3 is a schematic diagram of an explosion structure of a gas shield welding torch according to another embodiment of the present invention
Fig. 4 is a schematic sectional view of the gas shield welding torch shown in fig. 3 in an assembled state.
Wherein the reference numerals are as follows:
1. a welding gun main body 11, a wire supply channel 12, a gas channel 13, a copper pipe 14, an aluminum pipe 15, an insulating pipe 16 and a gas outlet hole;
2. a contact tip;
3. a nozzle, 31, a nozzle holder;
41. wire feed hose, 42, fixed head.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1:
the embodiment provides a wire feeding structure for a gas shielded welding gun, as shown in fig. 1 and 2, the gas shielded welding gun comprises a welding gun body 1, a contact tip 2 installed at the end of the welding gun body 1 and having an electrode hole, and a nozzle 3 installed at the end of the welding gun body 1 and located at the outer side of the contact tip 2, wherein a wire feeding passage 11 through which a welding wire passes is provided in the welding gun body 1, the wire feeding passage 11 is communicated with the electrode hole on the contact tip 2, a wire feeding hose 41 and a fixed head 42 are provided in the wire feeding passage 11, the rear end of the fixed head 42 is connected with the wire feeding hose 41, the front end of the fixed head 42 is fixed with the wire feeding passage 11, a limiting through hole through which the welding wire passes is provided in the fixed head 42, the welding wire is inserted through the other end of the wire feeding passage 11 and then sequentially passes through the wire feeding hose 41 and the fixed head 42 to the contact tip 2, and is sent out through the electrode hole on the contact tube 2.
The welding gun main body 1 comprises a copper pipe 13 and an aluminum pipe 14 fixed on the outer side of the copper pipe 13, an internal thread is arranged at the end part of a wire supply channel 11 of the copper pipe 13, the contact tube 2 is in threaded fit with the wire supply channel 11, a limiting cavity is formed in the rear end of the contact tube 2, and the front end of a fixing head 42 is in threaded fit with the limiting cavity.
An insulating tube 15 is provided between the copper tube 13 and the aluminum tube 14. An air outlet 16 is arranged on the side wall of the welding gun main body 1 between the contact tip 2 and the spray pipe 3, namely the air outlet 16 is arranged on the copper pipe 13, the air outlet 16 is communicated with the wire supply channel 11, and the wire supply channel 11 is used as the gas channel 12.
Example 2:
the embodiment describes a wire feeding structure for a gas shielded welding torch, as shown in fig. 3 and 4, the gas shielded welding torch includes a torch main body 1, a contact tip 2 installed at an end of the torch main body 1 and having an electrode hole, and a nozzle 3 installed at an end of the torch main body 1 and located outside the contact tip 2, a wire feeding passage 11 for a welding wire to pass through is provided in the torch main body 1, the wire feeding passage 11 is communicated with the electrode hole on the contact tip 2, a wire feeding hose 41 and a fixed head 42 are provided in the wire feeding passage 11, a rear end of the fixed head 42 is connected to the wire feeding hose 41, a front end of the fixed head 42 is fixed to the wire feeding passage 11, a limiting through hole for the welding wire to pass through is provided in the fixed head 42, the welding wire is inserted through the other end of the wire feeding passage 11 and then sequentially passes through the wire feeding hose 41 and the fixed head 42 to the contact tip 2, and is sent out through the electrode hole on the contact tube 2.
The welding gun main body 1 comprises a copper pipe 13 and an aluminum pipe 14 fixed on the outer side of the copper pipe 13, an internal thread is arranged at the end part of a wire supply channel 11 of the copper pipe 13, the contact tube 2 is in threaded fit with the wire supply channel 11, a limiting cavity is formed in the rear end of the contact tube 2, and the front end of a fixing head 42 is in threaded fit with the limiting cavity.
An insulating tube 15 is provided between the copper tube 13 and the aluminum tube 14. At least one through groove is formed in the outer side of the copper pipe 13 along the axial direction of the copper pipe, a gas channel 12 is formed between the through groove and the inner side wall of the aluminum pipe 14, one end of the gas channel 12 is connected with an external protector gas source, the other end of the gas channel is communicated with a gas outlet cavity formed by the spray pipe 3, and the hollow middle part of the copper pipe 13 and the channel in the middle part are the wire supply channel 11.
This embodiment has set up different passageways respectively for welding wire and shielding gas in welder main part 1 to avoid the mutual interference between the two, can guarantee the normal stable supply of welding wire, can improve the shaping of giving vent to anger of shielding gas simultaneously, can cover the molten bath better, guarantee the welding effect better.
Optionally, a nozzle holder 31 is fixed to an outer side of an end portion of the welding gun body 1, and the nozzle 3 is screwed and fixed to the nozzle holder 31.
In conclusion, the wire feeding structure of the present application is disposed in the wire feeding channel 11 of the gas shielded welding torch, and is used for assisting and fixing the welding wire therein, and the wire feeding hose 41 and the fixing head 42 in the wire feeding structure are integrally fixed in the wire feeding channel instead of in a free state, so that the smooth feeding and the stable operation of the welding wire can be ensured, the gas outlet forming of the shielding gas can be improved, the molten pool can be better covered, and the welding effect can be better ensured.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (6)
1. The utility model provides a gas shield welding welder is with sending a structure, gas shield welding welder includes the welder main part, installs at the tip of welder main part and has the contact tube of electrode hole, installs the tip of welder main part is located the spray tube in the contact tube outside is provided with the confession silk passageway that supplies the welding wire to pass through in the welder main part, supply the silk passageway with the electrode hole on the contact tube is linked together, its characterized in that supply to be provided with in the silk passageway and send a hose and fixed head, the rear end of fixed head with send a hose to be connected, the front end of fixed head is fixed with the confession silk passageway, and be provided with the spacing via hole that supplies the welding wire to pass in the fixed head, the welding wire warp after supplying the other end of silk passageway to insert in proper order send a hose and fixed head to the contact tube, and warp the electrode hole on the contact tube is sent out.
2. The wire feeding structure for the gas shield welding gun according to claim 1, wherein the welding gun body comprises a copper pipe and an aluminum pipe fixed on the outer side of the copper pipe, an internal thread is arranged at the end of a wire supply channel of the copper pipe, the contact tip is in threaded fit with the wire supply channel, a limiting cavity is formed in the rear end of the contact tip, and the front end of the fixing head is in threaded fit with the limiting cavity.
3. The wire feeding structure of claim 2, wherein a gas outlet is provided in a sidewall of the torch body between the contact tip and the nozzle, the gas outlet being in communication with the wire feeding passage, and the wire feeding passage being used as a gas passage.
4. The wire feeding structure for the gas shield welding gun according to claim 2, wherein at least one through groove is formed in the outer side of the copper pipe along the axial direction of the copper pipe, a gas channel is formed between the through groove and the inner side wall of the aluminum pipe, one end of the gas channel is connected with an external protector gas source, the other end of the gas channel is communicated with a gas outlet cavity formed by the spray pipe, the middle part of the copper pipe is hollow, and the channel in the middle part is the wire feeding channel.
5. The wire feeding structure for a gas shield welding torch according to claim 4, wherein an insulating tube is provided between the copper tube and the aluminum tube.
6. The wire feeding structure for a gas shielded welding torch according to claim 1, wherein a nozzle holder is fixed to an outer side of an end portion of the torch body, and the nozzle is fixed to the nozzle holder by screwing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022819828.3U CN214640897U (en) | 2020-11-30 | 2020-11-30 | Wire feeding structure for gas shield welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022819828.3U CN214640897U (en) | 2020-11-30 | 2020-11-30 | Wire feeding structure for gas shield welding gun |
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| Publication Number | Publication Date |
|---|---|
| CN214640897U true CN214640897U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022819828.3U Active CN214640897U (en) | 2020-11-30 | 2020-11-30 | Wire feeding structure for gas shield welding gun |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114074206A (en) * | 2022-01-19 | 2022-02-22 | 南通诺澳电子有限公司 | Gas shield welding gun capable of being adjusted in multiple directions |
| CN116652481A (en) * | 2023-05-12 | 2023-08-29 | 苏州诺克汽车工程装备有限公司 | Flexible welding tool for industrial robot |
-
2020
- 2020-11-30 CN CN202022819828.3U patent/CN214640897U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114074206A (en) * | 2022-01-19 | 2022-02-22 | 南通诺澳电子有限公司 | Gas shield welding gun capable of being adjusted in multiple directions |
| CN116652481A (en) * | 2023-05-12 | 2023-08-29 | 苏州诺克汽车工程装备有限公司 | Flexible welding tool for industrial robot |
| CN116652481B (en) * | 2023-05-12 | 2023-10-13 | 苏州诺克汽车工程装备有限公司 | Flexible welding tool for industrial robot |
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