CN213614720U - Contact tube structure and welding gun with same - Google Patents
Contact tube structure and welding gun with same Download PDFInfo
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- CN213614720U CN213614720U CN202022504097.3U CN202022504097U CN213614720U CN 213614720 U CN213614720 U CN 213614720U CN 202022504097 U CN202022504097 U CN 202022504097U CN 213614720 U CN213614720 U CN 213614720U
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Abstract
The utility model relates to the field of welding technique, a contact tube structure and have its welder is proposed. The conductive nozzle structure is used for being connected with the welding gun body and comprises a connector, a guide rod and a conductive nozzle, wherein the connector is used for being connected with the welding gun body; the guide rod is connected with the joint, and a first welding wire channel and a second welding wire channel which are separated from each other are arranged in the guide rod; the contact tip is connected with the guide rod, a welding wire gathering channel is arranged in the contact tip, the welding wire gathering channel is communicated with the first welding wire channel, and the welding wire gathering channel is communicated with the second welding wire channel. The first welding wire channel and the second welding wire channel which are communicated with the welding wire collecting channel of the contact tip are arranged on the guide rod, so that two welding wires fed by the first welding wire channel and the second welding wire channel can be collected in the welding wire collecting channel, the phenomena of branching and the like of the welding wires are avoided, and the welding quality is guaranteed.
Description
Technical Field
The utility model relates to the field of welding technique, especially, relate to a contact tube structure and have its welder.
Background
The single-power-supply double-wire welding gun is a mature welding gun, the welding gun conveys two welding wires for welding, and compared with common single-wire welding, the double-wire welding gun has the advantages of higher deposition rate, generation rate improvement, wider electric arc, welding quality improvement and the like. The existing contact tip structure applied to the twin-wire welding gun is to mechanically change a single hole into a double hole on the basis of a single-wire contact tip, and although the double-wire welding gun can meet the requirement of double-wire passing, the contact tip structure also has many problems, such as easy damage, short service life, easy bifurcation of a welding wire, unstable electric arc and the like.
SUMMERY OF THE UTILITY MODEL
The utility model provides a contact tip structure and have its welder to the realization is to assembling of two welding wires.
According to the utility model discloses a first aspect provides a contact tube structure for be connected with the welder body, the contact tube structure includes:
the connector is used for being connected with the welding gun body;
the guide rod is connected with the joint, and a first welding wire channel and a second welding wire channel which are separated from each other are arranged in the guide rod;
the contact tip is connected with the guide rod, a welding wire collecting channel is arranged in the contact tip, the welding wire collecting channel is communicated with the first welding wire channel, and the welding wire collecting channel is communicated with the second welding wire channel.
In an embodiment of the present invention, the contact tip structure further includes:
retaining member, retaining member are connected with the joint, and the retaining member is connected with the guide bar.
In one embodiment of the present invention, the guide bar is in clearance fit with the joint, and the guide bar is connected with the joint through the locking member.
In an embodiment of the present invention, a first mounting groove is disposed on the joint, and the guide rod is disposed in the first mounting groove.
In one embodiment of the invention, the locking member is in threaded connection with the joint and/or the locking member is in threaded connection with the guide rod.
In an embodiment of the present invention, a second mounting groove is provided on the guide rod, and the contact tip is inserted into the second mounting groove.
In one embodiment of the present invention, the contact tip is screwed to the guide rod.
In an embodiment of the present invention, the welding wire collection channel includes:
one end of the first hole section is communicated with the first welding wire channel, and one end of the first hole section is communicated with the second welding wire channel;
the second hole section is communicated with the other end of the first hole section;
wherein, the first hole section is the bell mouth, and the tip of bell mouth is linked together with the second hole section.
According to a second aspect of the present invention, there is provided a welding gun comprising the contact tip structure and the welding gun body.
In an embodiment of the present invention, the welding gun further includes:
the wire feeding pipe penetrates through the welding gun body and then is butted with the guide rod;
and the protective sleeve is connected with the welding gun body, and the conductive nozzle structure is at least positioned in the protective sleeve.
The utility model discloses the contact tip structure collects the passageway through the first welding wire passageway and the welding wire of second welding wire passageway and contact tip of guide bar and is linked together to can make two welding wires that are sent into by first welding wire passageway and second welding wire passageway collect in the passageway is collected to the welding wire and assemble, avoid phenomenons such as branching to appear in this welding wire, guarantee welding quality.
Drawings
The various objects, features and advantages of the present invention will become more apparent from the following detailed description of the preferred embodiments of the invention, when considered in conjunction with the accompanying drawings. The drawings are merely exemplary of the invention and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:
FIG. 1 is a schematic diagram of a torch according to an exemplary embodiment.
The reference numerals are explained below:
1. a welding gun body; 10. a joint; 11. a first mounting groove; 20. a guide bar; 21. a first wire passage; 22. a second wire passage; 23. a second mounting groove; 30. a contact tip; 31. a welding wire collection channel; 311. a first bore section; 312. a second bore section; 40. a locking member; 50. a wire feeding pipe; 60. and (6) a protective sleeve.
Detailed Description
Exemplary embodiments that embody features and advantages of the invention are described in detail below. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.
In the following description of various exemplary embodiments of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary structures, systems, and steps in which aspects of the invention may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized and structural and functional modifications may be made without departing from the scope of the present invention. Moreover, although the terms "over," "between," "within," and the like may be used in this specification to describe various example features and elements of the invention, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples in the figures. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures to fall within the scope of the invention.
An embodiment of the present invention provides a contact tip structure, please refer to fig. 1, the contact tip structure is used for being connected with a welding gun body 1, and the contact tip structure includes: the joint 10, the joint 10 is used for connecting with the welding gun body 1; the guide rod 20 is connected with the joint 10, and a first welding wire channel 21 and a second welding wire channel 22 which are separated from each other are arranged in the guide rod 20; the contact tip 30 is connected with the guide rod 20, a welding wire collecting channel 31 is arranged in the contact tip 30, the welding wire collecting channel 31 is communicated with the first welding wire channel 21, and the welding wire collecting channel 31 is communicated with the second welding wire channel 22.
The utility model discloses a contact tip structure collects passageway 31 through the first welding wire passageway 21 of guide bar 20 and the welding wire of second welding wire passageway 22 and contact tip 30 and is linked together to can make two welding wires that are sent into by first welding wire passageway 21 and second welding wire passageway 22 collect in passageway 31 in the welding wire and assemble, avoid phenomenons such as branching to appear in this welding wire, guarantee welding quality.
It should be noted that the contact tip structure is connected to the welding gun body 1 through the joint 10, and the guide rod 20 and the contact tip 30 constitute a wire feeding assembly, so as to ensure that two welding wires can be reliably converged.
Specifically, two welding wires in the wire feeding pipe 50 enter the first welding wire channel 21 and the second welding wire channel 22 respectively, and since the first welding wire channel 21 and the second welding wire channel 22 are both communicated with the welding wire gathering channel 31, the two welding wires are gathered after entering the welding wire gathering channel 31.
In one embodiment, the joint 10 is removably connected to the torch body 1.
In one embodiment, a third wire passage may be provided in the guide rod 20, and the third wire passage is communicated with the wire gathering passage 31, that is, three wires may pass through the guide rod 20 at the same time, and the three wires are gathered in the wire gathering passage 31.
In some embodiments, it is not excluded that a plurality of third wire passages are provided in the guide rod 20, which is not limited herein, and can be adjusted accordingly according to actual needs.
In one embodiment, as shown in fig. 1, the contact tip structure further comprises: the locking member 40, the locking member 40 is connected with the joint 10, and the locking member 40 is connected with the guide bar 20, that is, the locking member 40 serves as a fixing member for ensuring the connection stability of the guide bar 20 with the joint 10.
In some embodiments, the guide rod 20 and the joint 10 may be fixedly connected, and may be fixed by a screw thread. That is, the guide rod 20 and the joint 10 are not movable relative to each other after the assembly is completed, it is necessary to ensure that the first wire passage 21 and the second wire passage 22 of the guide rod 20 can be arranged opposite to the two welding wires in the wire feeding tube 50 in the process, so as to ensure the reliable entry of the welding wires. At this time, the locker 40 can achieve further fixation of the guide bar 20 to the joint 10.
In some embodiments, guide bar 20 is a clearance fit with adapter 10, and guide bar 20 is connected to adapter 10 by retaining member 40. That is, before the locking member 40 is not installed, the guide bar 20 can be rotated relative to the joint 10, so that the positional relationship between the first wire passage 21 and the second wire passage 22 and the two wires in the wire feeding tube 50 can be reliably adjusted, and the wires can be reliably fed into the first wire passage 21 and the second wire passage 22. After the positions of the first wire passage 21 and the second wire passage 22 are adjusted, the guide bar 20 is fixed to the joint 10 by the locker 40.
In one embodiment, as shown in fig. 1, the joint 10 is provided with a first mounting groove 11, and the guide rod 20 is inserted into the first mounting groove 11, so that the positioning of the guide rod 20 and the joint 10 is facilitated, and the position of the guide rod 20 can be reliably adjusted, thereby enabling the first welding wire passage 21 and the second welding wire passage 22 to accurately enter the welding wire.
In one embodiment, retaining member 40 is threadably coupled to adapter 10 and/or retaining member 40 is threadably coupled to guide rod 20. The threaded connection is convenient to assemble, and the connection stability is reliable.
In one embodiment, as shown in fig. 1, a second mounting groove 23 is formed on the guide rod 20, and the contact tip 30 is inserted into the second mounting groove 23, so that the positioning of the guide rod 20 and the contact tip 30 is facilitated, and the connection stability is high.
In one embodiment, the contact tip 30 is screwed with the guide rod 20, thereby ensuring the connection stability of the contact tip 30 with the guide rod 20.
It should be noted that, the specific structural form of the contact tip 30 and the guide rod 20 is not limited herein, and may be adjusted according to actual requirements, and on the premise that the contact tip 30 and the guide rod 20 can converge the welding wire, the specific structural form may be adjusted according to specific welding requirements, for example, an embodiment shown in fig. 1.
In one embodiment, as shown in FIG. 1, the wire gathering channel 31 includes: a first hole section 311, wherein one end of the first hole section 311 is communicated with the first welding wire channel 21, and one end of the first hole section 311 is communicated with the second welding wire channel 22; a second hole section 312, the second hole section 312 being communicated with the other end of the first hole section 311; the first hole section 311 is a tapered hole, the small end of the tapered hole is communicated with the second hole section 312, and the large end of the tapered hole is communicated with the first welding wire channel 21 and the second welding wire channel 22, that is, the welding wire can enter the welding wire gathering channel 31 from the large end, so that the welding wire can enter the welding wire gathering channel conveniently and can be gathered in the second hole section 312.
In some embodiments, the aperture of each of the first wire passage 21 and the second wire passage 22 is smaller than the aperture of the second bore section 312, i.e. the first wire passage 21 and the second wire passage 22 are guaranteed to enter a single wire, while the second bore section 312 enables convergence of two wires.
In one embodiment, the first wire passage 21 and the second wire passage 22 may both be circular holes, and the first hole section 311 may be a conical hole and the second hole section 312 may also be a circular hole. Of course, it is not excluded that the first wire passage 21, the second wire passage 22 and the second bore section 312 are all polygonal bores.
The utility model discloses a contact tube structure is a novel two silk contact tube structure, and aim at overcomes the not enough of current two silk contact tubes, the utility model discloses a contact tube structure is comparatively simple, longe-lived, the difficult branching of two silk, electric arc stability. By assembling the contact tip structure on the welding gun body 1, the welding wires are fed through the wire feeding tube 50, and then are gathered together through the guide rod 20 and the contact tip 30 to be welded.
An embodiment of the present invention further provides a welding gun, please refer to fig. 1, including the contact tip structure and the welding gun body 1.
The utility model discloses a welder can send out two welding wires, and two welding wires can reliably realize assembling, guarantees welding quality.
In one embodiment, as shown in fig. 1, the welding gun further comprises: the wire feeding pipe 50 penetrates through the welding gun body 1 and then is butted with the guide rod 20; and the protective sleeve 60 is connected with the welding gun body 1, and the contact tip structure is at least positioned in the protective sleeve 60. The wire feeding tube 50 is located inside the welding gun body 1, so that the welding wire is fed into the first welding wire channel 21 and the second welding wire channel 22 of the guide rod 20 through the wire feeding tube 50, the protection sleeve 60 protects the contact tip structure, namely, the contact tip 30 is located in the protection sleeve 60, and the protection sleeve 60 can be used for sending out protective gas and the like.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. The present invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and exemplary embodiments be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (10)
1. A contact tip structure for connection with a welding gun body (1), the contact tip structure comprising:
a joint (10), the joint (10) being for connection with the torch body (1);
the guide rod (20), the guide rod (20) is connected with the joint (10), and a first welding wire channel (21) and a second welding wire channel (22) which are separated from each other are arranged in the guide rod (20);
contact tip (30), contact tip (30) with guide bar (20) are connected, be provided with welding wire in contact tip (30) and collect passageway (31), welding wire collect passageway (31) with first welding wire passageway (21) are linked together, welding wire collect passageway (31) with second welding wire passageway (22) are linked together.
2. The contact tip structure of claim 1, further comprising:
a retaining member (40), the retaining member (40) being connected to the joint (10), the retaining member (40) being connected to the guide bar (20).
3. Contact tube structure according to claim 2, characterized in that the guide bar (20) is a clearance fit with the fitting (10), the guide bar (20) being connected with the fitting (10) by means of the locking element (40).
4. The contact tube structure according to claim 3, wherein a first mounting groove (11) is formed on the joint (10), and the guide rod (20) is inserted into the first mounting groove (11).
5. The contact tip structure according to claim 2, characterized in that the retaining member (40) is in threaded connection with the adapter (10) and/or the retaining member (40) is in threaded connection with the guide bar (20).
6. The contact tube structure according to claim 1, wherein a second mounting groove (23) is provided on the guide rod (20), and the contact tube (30) is inserted into the second mounting groove (23).
7. The contact tip structure according to claim 6, wherein the contact tip (30) is screw-coupled with the guide rod (20).
8. A contact tip structure according to claim 1, characterized in that said wire collection channel (31) comprises:
a first bore section (311), one end of the first bore section (311) being in communication with the first wire passage (21), one end of the first bore section (311) being in communication with the second wire passage (22);
a second bore section (312), the second bore section (312) in communication with the other end of the first bore section (311);
wherein the first hole section (311) is a tapered hole, and the small end of the tapered hole is communicated with the second hole section (312).
9. A welding gun, characterized by comprising the contact tip structure and a welding gun body (1) of any one of claims 1 to 8.
10. The welding gun according to claim 9, further comprising:
the wire feeding pipe (50) penetrates through the welding gun body (1) and then is butted with the guide rod (20);
the protective sleeve (60) is connected with the welding gun body (1), and the contact tip structure is at least located in the protective sleeve (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022504097.3U CN213614720U (en) | 2020-11-03 | 2020-11-03 | Contact tube structure and welding gun with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022504097.3U CN213614720U (en) | 2020-11-03 | 2020-11-03 | Contact tube structure and welding gun with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213614720U true CN213614720U (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022504097.3U Active CN213614720U (en) | 2020-11-03 | 2020-11-03 | Contact tube structure and welding gun with same |
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| CN (1) | CN213614720U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799435A (en) * | 2022-05-09 | 2022-07-29 | 唐山松下产业机器有限公司 | Contact tube assembly and welding gun |
| CN115401286A (en) * | 2022-07-14 | 2022-11-29 | 唐山松下产业机器有限公司 | Single-double-wire switching system and working method |
-
2020
- 2020-11-03 CN CN202022504097.3U patent/CN213614720U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799435A (en) * | 2022-05-09 | 2022-07-29 | 唐山松下产业机器有限公司 | Contact tube assembly and welding gun |
| CN115401286A (en) * | 2022-07-14 | 2022-11-29 | 唐山松下产业机器有限公司 | Single-double-wire switching system and working method |
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