CN213916602U - Contact tip and welding apparatus - Google Patents
Contact tip and welding apparatus Download PDFInfo
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- CN213916602U CN213916602U CN202022603074.8U CN202022603074U CN213916602U CN 213916602 U CN213916602 U CN 213916602U CN 202022603074 U CN202022603074 U CN 202022603074U CN 213916602 U CN213916602 U CN 213916602U
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- hole section
- channel
- contact tip
- inclined hole
- welding
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Abstract
The utility model discloses a contact tube and welding equipment, the inside passageway that supplies the welding wire to pass that is formed with of contact tube, the passageway is including the first passageway, the second passageway that communicate in proper order and the passageway of going out the silk, and first passageway is including the first straight-hole section and the first inclined hole section that communicate mutually, and the one end and the second passageway intercommunication of first straight-hole section are kept away from to first inclined hole section, and the bore of first inclined hole section reduces gradually along the direction that is close to the second passageway, and the bore of second passageway is less than the bore of first inclined hole section, the utility model discloses a wear and tear of welding wire is difficult to receive to the passageway of going out the silk of contact tube to welding precision has been guaranteed.
Description
Technical Field
The utility model relates to the field of welding technique, especially, relate to a contact tube and welding equipment.
Background
As is well known, the welding process plays an important role in the automobile manufacturing process, wherein the arc welding is performed by aligning a welding wire with a welding position by using a welding device, but when the welding wire is conveyed from a contact tip to the welding position, the welding wire is easily worn away from the position of a wire outlet channel of the contact tip, and the wear of the wire outlet channel of the contact tip is increased, so that the welding precision is reduced, and the welding is disabled.
In view of the above-mentioned drawbacks, it is necessary to provide a new contact tip and welding apparatus.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a current contact tip and welding equipment aims at solving the problem that current contact tip goes out the wearing and tearing that the silk passageway received the welding wire easily and leads to welding precision to descend.
In order to achieve the above object, the utility model provides an inside passageway that is formed with the confession welding wire and passes of contact nozzle, the passageway is including first passageway, second passageway and the play silk passageway that communicates in proper order, first passageway is including the first straight-hole section and the first inclined hole section that communicate each other, first inclined hole section is kept away from the one end of first straight-hole section with second passageway intercommunication, the bore of first inclined hole section is along being close to the direction of second passageway reduces gradually, the bore of second passageway is less than the bore of first inclined hole section.
Preferably, the second channel includes a second straight hole section and a second inclined hole section that are communicated with each other, an end of the second straight hole section that is far away from the second inclined hole section is communicated with the first inclined hole section, an end of the second inclined hole section that is far away from the second straight hole is communicated with the wire outlet channel, a caliber of the second inclined hole section is gradually reduced along a direction that is close to the wire outlet channel, and a caliber of the second straight hole section is smaller than a caliber of the first inclined hole section.
Preferably, the contact tip comprises a connecting part and a conductive body which are connected with each other, the connecting part is used for being connected with a connecting rod of welding equipment, the channel penetrates through the connecting part and the conductive body, and the wire outlet channel is arranged at one end, far away from the connecting part, of the conductive body.
Preferably, the outer circumference of the connecting portion is provided with a thread for connection with a connecting rod of the welding apparatus.
Preferably, the contact tip further comprises a reinforcement portion protruding around the periphery of the conductive body.
Preferably, one end of the conductive body close to the reinforcing part is provided with a first abutting surface and a second abutting surface for abutting against a wrench, and the first abutting surface and the second abutting surface are oppositely arranged on the outer side of the conductive body.
Preferably, the periphery of one end of the conductive body close to the wire outlet channel is gradually reduced along the direction far away from the connecting part.
Preferably, the hardness of the contact tip is 80N/mm2～90N/mm2。
Preferably, the contact tip is a copper alloy piece.
Preferably, the welding device comprises a contact tip as described above.
In the technical scheme of the utility model, the channel for the welding wire to pass is formed in the contact tip, the channel is arranged into a first channel, a second channel and a wire outlet channel which are communicated in sequence, the first channel comprises a first straight hole section and a first inclined hole section which are communicated with each other, one end of the first inclined hole section, which is far away from the first straight hole section, is connected with the second channel, the caliber of the first inclined hole section is gradually reduced along the direction close to the second channel, wherein, the caliber of the second channel is set to be smaller than that of the first inclined hole section, thereby leading the welding wire to pass through the channel from the first channel and the second channel to the wire outlet channel in sequence, firstly leading the welding wire for the first time through the first straight hole section and the first inclined hole section of the first channel, then leading the second channel for the second time, when the welding wire reaches the wire outlet channel, the welding wire can smoothly go out from the wire outlet channel, and the wire outlet channel is not easy to wear, thereby ensuring the welding precision.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of a contact tip according to the present invention;
fig. 2 is a schematic sectional view taken along line a-a of fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
13 | |
| 11 | |
2 | Connecting part |
| 111 | A first |
21 | |
| 112 | First |
3 | |
| 12 | The |
31 | First abutting |
| 121 | Second |
32 | Second abutting |
| 122 | Second inclined hole section | 4 | Reinforcing part |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
The utility model provides a contact tip and welding equipment aims at solving current contact tip and goes out the wearing and tearing that the silk passageway received the welding wire easily and lead to the problem that welding precision descends.
Referring to fig. 1 and 2, a passage 1 for a welding wire to pass through is formed inside the contact tip, the passage 1 includes a first passage 11, a second passage 12 and a wire outlet passage 13 which are sequentially communicated, the first passage 11 includes a first straight hole section 111 and a first inclined hole section 112 which are communicated with each other, one end of the first inclined hole section 112, which is far away from the first straight hole section 111, is communicated with the second passage 12, the caliber of the first inclined hole section 112 is gradually reduced along a direction close to the second passage 12, and the caliber of the second passage 12 is smaller than that of the first inclined hole section 112.
The channel 1 for the welding wire to pass through formed inside the contact tube of the utility model is characterized in that the channel 1 is arranged into a first channel 11, a second channel 12 and a wire outlet channel 13 which are communicated in sequence, the first channel 11 comprises a first straight hole section 111 and a first inclined hole section 112 which are communicated with each other, one end of the first inclined hole section 112 far away from the first straight hole section 111 is connected with the second channel 12, the caliber of the first inclined hole section 112 is gradually reduced along the direction close to the second channel 12, wherein, the caliber of the second channel 12 is arranged to be smaller than that of the first inclined hole section 112, thereby leading the welding wire to pass through the channel 1 from the first channel 11 and the second channel 12 to the wire outlet channel 13 in sequence, leading the welding wire for the first time through the first straight hole section 111 and the first inclined hole section 112 of the first channel 11 and leading the second channel 12, when the welding wire reaches the wire outlet channel 13, the welding wire can smoothly discharge from the wire outlet channel 13, and the wire outlet channel 13 is not easy to wear, thereby ensuring the welding precision. The first inclined hole section 112 can improve the centering performance of the welding wire, so that the concentricity of the welding wire and the wire outlet channel 13 is improved, the friction between the welding wire and the contact tip is more uniform, the abrasion speed of the contact tip is reduced, the service life of the contact tip is prolonged, the contact tip does not need to be frequently replaced, the welding cost is reduced, in addition, the eccentricity probability of the welding wire is reduced, the welding precision is improved, and the accurate welding time is prolonged.
As an embodiment, please refer to fig. 2, the second channel 12 includes a second straight hole section 121 and a second inclined hole section 122 that are communicated with each other, an end of the second straight hole section 121 far away from the second inclined hole section 122 is communicated with the first inclined hole section 112, an end of the second inclined hole section 122 far away from the second straight hole is communicated with the filament outlet channel 13, a diameter of the second inclined hole section 122 is gradually reduced along a direction near the filament outlet channel 13, and a diameter of the second straight hole section is smaller than a diameter of the first inclined hole section 112. The second passage 12 comprises a second straight hole section 121 and a second inclined hole section 122 which are communicated with each other, one end of the second straight hole section 121 far away from the second inclined hole section 122 is communicated with the first inclined hole section 112, one end of the second inclined hole section 122 far away from the second straight hole section 121 is communicated with the wire outlet passage 13, the caliber of the second straight hole section 121 is smaller than that of the first inclined hole section 112, the caliber of the second inclined hole section 122 is gradually reduced along the direction close to the wire outlet passage 13, when the welding wire passes through the passage 1, the welding wire passes through the first straight hole section 111, the first inclined hole section 112, the second straight hole section 121, the second inclined hole section 122 and the wire outlet passage 13 in sequence, because the calibers of the first straight hole section 111, the first inclined hole section 112, the second straight hole section 121, the second inclined hole section 122 and the wire outlet passage 13 are reduced in sequence, the welding wire is guided and centered by the first straight hole section 111, the first inclined hole section 112, the second straight hole section 121 and the second inclined hole section 122 in sequence, so when the welding wire reachd a silk passageway 13, the welding wire is very high with the concentric degree of a silk passageway 13, thereby can guarantee that the welding wire can smoothly go out the silk from a silk passageway 13, thereby make the welding wire and go out a silk passageway 13 and be difficult to wearing and tearing, the welding precision has been improved greatly, still improve the life of contact tip, moreover, the welding wire is high with a silk passageway 13 concentricity, make the welding wire and go out the friction that produces between the silk passageway 13 for even friction, and make the welding wire not off normal, can prolong accurate welded time.
Further, the contact tip comprises a connecting part 2 and a conductive body 3 which are connected with each other, the connecting part 2 is used for being connected with a connecting rod of welding equipment, a channel 1 penetrates through the connecting part 2 and the conductive body 3, and a wire outlet channel 13 is arranged at one end, far away from the connecting part 2, of the conductive body 3. The contact tip includes interconnect's connecting portion 2 and electrically conductive body 3, connecting portion 2 is used for being connected with welding equipment's connecting rod, passageway 1 runs through connecting portion 2 and electrically conductive body 3 setting, it sets up the one end of keeping away from connecting portion 2 at electrically conductive body 3 to go out silk passageway 13, when needs welding equipment welds, earlier be connected the connecting portion 2 of contact tip with welding equipment's connecting rod, pass passageway 1 with the welding wire, the welding end of welding wire exposes from electrically conductive body 3 play silk passageway 13 of keeping away from connecting portion 2 one end, the welding end that will expose the welding wire of silk passageway 13 again corresponds with weldment needs welded position, start welding equipment, weld.
In addition, in one embodiment, the outer circumference of the connection part 2 is provided with a thread 21 for connection with a connecting rod of a welding device. The periphery of connecting portion 2 is provided with the screw thread 21 that is used for being connected with welding equipment's connecting rod, when the connecting rod of welding equipment is installed with the contact tip to needs, only need with connecting portion 2 twist on the connecting rod correspond the threaded hole in can, also convenient dismantlement to the contact tip is conveniently changed.
Wherein, the contact tip further comprises a reinforcing part 4 which is convexly arranged around the periphery of the conductive body 3. The contact tube further comprises a reinforcing part 4, the reinforcing part 4 is outwards protruded from the periphery of the conductive body 3 and is provided with the reinforcing part 4, and the reinforcing part 4 can improve the rigidity of the contact tube, so that the contact tube is small in deformation in the installation and welding processes.
Further, in order to achieve a plurality of functions, a first abutting surface 31 and a second abutting surface 32 for abutting against a wrench are formed at one end of the conductive body 3 close to the reinforcing portion 4, and the first abutting surface 31 and the second abutting surface 32 are oppositely arranged at the outer side of the conductive body 3. The end of the conductive body 3 close to the reinforcing part 4 is provided with a first abutting surface 31 and a second abutting surface 32 which are used for abutting against a wrench, the first abutting surface 31 and the second abutting surface 32 are oppositely arranged on the outer side of the conductive body 3, when the contact tip is required to be installed on a connecting rod of welding equipment, the first abutting surface 31 and the second abutting surface 32 on the conductive body 3 are clamped by the wrench firstly, and then the contact tip is screwed on the connecting rod of the welding equipment by rotating the wrench, so that when the welding equipment performs welding, electric arc is stable, and the service life of the contact tip can be prolonged.
In addition, in the above embodiment, the outer circumference of the end of the conductive body 3 close to the wire outlet channel 13 is gradually reduced in the direction away from the connection part 2. The periphery of the conductive body 3 close to the end of the wire outlet channel 13 is gradually reduced along the direction far away from the connecting part 2, so that when the contact tip with the welding wire is welded and aligned with a weldment, the relative position of the welding wire extending out from the contact tip and the position needing to be welded can be observed more clearly.
And in one embodiment, the contact tip has a hardness of 80N/mm2～90N/mm2. The hardness of the contact tip was set to 85N/mm2～89N/mm2The wire outlet channel 13 of the contact tube is more wear-resistant, so that the wire outlet of the contact tube is not deviated, and the welding precision is favorably ensured.
Further, the contact tip is a copper alloy piece. The contact tube can be made of chromium zirconium copper or red copper, and in one embodiment, the contact tube is made of chromium zirconium copper, which has good electrical conductivity, thermal conductivity, high hardness, wear resistance, explosion resistance, crack resistance and softening temperature, less electrode loss during welding, high welding speed and low total welding cost.
Further, a welding device comprising a contact tip as described above. A welding device comprises all the technical features of the contact tip described above and all the corresponding technical effects, which are not described in detail herein.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. The contact tube is characterized in that a channel for a welding wire to penetrate is formed inside the contact tube, the channel comprises a first channel, a second channel and a wire outlet channel which are sequentially communicated, the first channel comprises a first straight hole section and a first inclined hole section which are communicated with each other, the first inclined hole section is far away from one end of the first straight hole section and communicated with the second channel, the caliber of the first inclined hole section is gradually reduced along the direction close to the second channel, and the caliber of the second channel is smaller than that of the first inclined hole section.
2. The contact tip as claimed in claim 1, wherein the second channel includes a second straight hole section and a second inclined hole section that are connected to each other, an end of the second straight hole section away from the second inclined hole section is connected to the first inclined hole section, an end of the second inclined hole section away from the second straight hole is connected to the filament outlet channel, an aperture of the second inclined hole section is gradually reduced along a direction approaching the filament outlet channel, and an aperture of the second straight hole section is smaller than an aperture of the first inclined hole section.
3. The contact tip as claimed in claim 1, wherein the contact tip comprises a connecting portion and a conductive body connected to each other, the connecting portion is configured to be connected to a connecting rod of a welding device, the passage extends through the connecting portion and the conductive body, and the wire outlet passage is disposed at an end of the conductive body away from the connecting portion.
4. The contact tip as claimed in claim 3, wherein an outer circumference of the connection portion is provided with a screw thread for connection with a link of the welding apparatus.
5. The contact tip as recited in claim 3, further comprising a reinforcement portion disposed convexly around an outer periphery of the conductive body.
6. The contact tip as claimed in claim 5, wherein one end of the conductive body near the connection portion is formed with a first abutting surface and a second abutting surface for abutting against a wrench, and the first abutting surface and the second abutting surface are oppositely disposed at an outer side of the conductive body.
7. The contact tip as claimed in claim 3, wherein the outer circumference of the end of the conductive body near the filament outlet channel is gradually reduced in a direction away from the connection portion.
8. Contact tip according to any of claims 1 to 7, characterized in that the hardness of the contact tip is 80N/mm2～90N/mm2。
9. The contact tip as claimed in any one of claims 1 to 7, wherein the contact tip is a copper alloy piece.
10. A welding apparatus, characterized in that it comprises a contact tip as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022603074.8U CN213916602U (en) | 2020-11-11 | 2020-11-11 | Contact tip and welding apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022603074.8U CN213916602U (en) | 2020-11-11 | 2020-11-11 | Contact tip and welding apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213916602U true CN213916602U (en) | 2021-08-10 |
Family
ID=77168684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022603074.8U Active CN213916602U (en) | 2020-11-11 | 2020-11-11 | Contact tip and welding apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213916602U (en) |
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2020
- 2020-11-11 CN CN202022603074.8U patent/CN213916602U/en active Active
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