CN213729907U - Welding electrode assembly - Google Patents
Welding electrode assembly Download PDFInfo
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- CN213729907U CN213729907U CN202022616719.1U CN202022616719U CN213729907U CN 213729907 U CN213729907 U CN 213729907U CN 202022616719 U CN202022616719 U CN 202022616719U CN 213729907 U CN213729907 U CN 213729907U
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- circulating water
- electrode
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- water cooling
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Abstract
The utility model relates to a welding electrode subassembly, it includes electrode holder, circulating water cooling piece, and the cavity has been seted up on electrode holder upper portion, and circulating water cooling piece is adorned in the cavity, and the opening part cover of cavity is equipped with the electrode cover, and the centre bore department of electrode cover is equipped with the locating pin, and circulating water cooling piece center has the cooling hole of running through the upper and lower surface, has a step portion in the cooling hole, is equipped with the spring between the bottom surface of locating pin and the step portion surface, and circulating water cooling piece inside is equipped with spiral helicine cooling water passageway, and cooling water passageway's upper end is in the water inlet has been seted up on the circulating water cooling piece lateral wall, cooling water passageway's lower extreme. The utility model discloses an at the inside cavity of seting up of electrode holder, the circulating water cooling piece dress makes electrode cover and circulating water cooling piece direct contact in the cavity, produces the cooling path of shortest distance, has improved the cooling effect of electrode cover.
Description
Technical Field
The utility model relates to the field of welding technique, in particular to welding electrode subassembly.
Background
The electrode used by the resistance projection welding nut consists of a plurality of parts such as an electrode holding rod, an upper electrode, a lower electrode seat, an electrode cover, a positioning pin and the like; there are several defects during use: firstly, due to the relationship of the lower electrode holder, the cooling effect of the cooling circulating water on the actual working surface (electrode cover) is poor, so that the electrode cover is worn quickly; secondly, because of more electrode components, when the welding nuts with different specifications are replaced each time, the whole lower electrode assembly needs to be disassembled and replaced, and frequent disassembly damages the matching part of the holding rod and the lower electrode, so that the service life of the holding rod is shortened; thirdly, welding slag can be attached to the nut, a nut deslagging procedure is needed, a machining procedure is added, labor cost is improved, and production efficiency is reduced.
Accordingly, it is desirable to provide a welding electrode assembly that overcomes some of the problems associated with the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a welding electrode subassembly that cooling effect is good, simple structure and long service life.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a welding electrode subassembly, its includes electrode holder, circulating water cooling piece, the cavity has been seted up on electrode holder upper portion, the circulating water cooling piece is adorned in the cavity, the opening part cover of cavity is equipped with the electrode cover, the centre bore department of electrode cover is equipped with the locating pin, the cooling hole of surface about circulating water cooling piece center has and runs through, a step portion has in the cooling hole, the bottom surface of locating pin with be equipped with the spring between the step portion surface, the inside spiral helicine cooling water passageway that is equipped with of circulating water cooling piece, the upper end of cooling water passageway is in the water inlet has been seted up on the circulating water cooling piece lateral wall, the lower extreme of cooling water passageway is in the delivery port has been seted up on the circulating water.
The circulating water cooling block is detachably connected with the cavity and matched with the cavity in a step form.
The upper surface of the circulating water cooling block is flush with the opening of the cavity, the electrode cover is fixedly connected with the electrode holder through a screw, and the circulating water cooling block is packaged in the cavity.
The electrode cover comprises a cover body and a base, the base is in threaded connection with the upper portion of the cavity, the circulating water cooling block is arranged on the lower portion of the cavity, and the upper surface of the circulating water cooling block is abutted to the bottom of the base.
The electrode holder is internally provided with an air guide tube, the inner diameter of the air guide tube is smaller than the minimum inner diameter of the cavity, the inner diameter of the air guide tube is larger than the inner diameter of the cooling hole, the air guide tube is communicated with the cooling hole to form a compressed air passage, the bottom end of the electrode holder is provided with an air inlet valve, the air inlet valve is communicated with the air guide tube, and the air inlet valve is connected with an external compressed air machine.
Still include the upper electrode, the locating pin includes top-down body coupling's location head, location body and bulge loop, the location head with the upper electrode corresponds, the location body is inlayed in the electrode cover, both ends respectively with the lower terminal surface of bulge loop step portion fixed surface about the spring, the up end of bulge loop with the lower terminal surface of electrode cover supports to lean on sealed cooperation.
The cooling hole comprises an upper hole and a lower hole, the inner diameter of the upper hole is larger than that of the lower hole, and the stepped part is formed at the joint of the upper hole and the lower hole.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the cavity is formed in the electrode holder, and the circulating water cooling block is arranged in the cavity, so that the electrode cover is directly contacted with the circulating water cooling block to generate a cooling passage with the shortest distance, the cooling effect of the electrode cover is improved, and the problem of high abrasion speed of the electrode cover is avoided;
2. the cooling water channel is spiral, so that the contact area of the cooling water with the electrode seat and the electrode cover is increased;
3. the water inlet is arranged at the upper end of the cooling water channel, and the water outlet is arranged at the lower end of the cooling water channel, so that the cooling water can cool the part with higher temperature at the upper end of the electrode seat at the first time, and the cooling effect is improved.
Drawings
FIG. 1 is a cross-sectional view of a welding electrode assembly according to a first embodiment of the present invention;
FIG. 2 is an assembled sectional view of the circulating water cooling block and the positioning pin in FIG. 1;
FIG. 3 is a schematic diagram of the structure of the circulating water cooling block in FIG. 2;
figure 4 is a cross-sectional view of a welding electrode assembly according to a second embodiment of the present invention.
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 work belong to the protection scope of the present invention.
First embodiment
Please refer to fig. 1 to 4, the utility model relates to a welding electrode assembly, it includes electrode holder 10, circulating water cooling block 20, cavity 11 has been seted up on electrode holder 10 upper portion, circulating water cooling block 20 is adorned in cavity 11, the opening part cover of cavity 11 is equipped with electrode cover 30, the centre bore department of electrode cover 30 is equipped with locating pin 40, circulating water cooling block 20 center has the cooling hole 21 that runs through upper and lower surface, a step portion 211 has been had in the cooling hole 21, be equipped with spring 50 between the bottom surface of locating pin 40 and the step portion 211 surface, circulating water cooling block 20 is inside to be equipped with spiral helicine cooling water passageway 22, water inlet 23 has been seted up on circulating water cooling block 20 lateral wall to cooling water passageway 22's upper end, cooling water passageway 22's lower extreme has seted up delivery port 24 on circulating water cooling block 20 lateral wall.
The circulating water cooling block 20 is detachably connected with the cavity 11 and matched with the cavity in a step form, so that assembly positioning is realized. The upper surface of the circulating water cooling block 20 is flush with the opening of the cavity 11, the electrode cover 30 is fixedly connected with the electrode holder 10 through screws, and the circulating water cooling block 20 is packaged in the cavity 11.
The side wall of the electrode holder 10 is correspondingly provided with a first through hole and a second through hole (not shown), the water inlet 23 extends outwards from the first through hole, and the water outlet 24 extends outwards from the second through hole.
Referring to fig. 1, an air duct 12 is arranged inside the electrode holder 10, the inner diameter of the air duct 12 is smaller than the minimum inner diameter of the cavity 11, the inner diameter of the air duct 12 is larger than the inner diameter of the cooling hole 21, and the air duct 12 is communicated with the cooling hole 21 to form a compressed air passage. An air inlet valve 13 is arranged at the bottom end of the electrode seat 10, the air inlet valve 13 is communicated with the air guide pipe 12, and the air inlet valve 13 is connected with an external compressed air machine.
The welding electrode assembly further includes an upper electrode 60, referring to fig. 2, the positioning pin 40 includes a positioning head 41, a positioning body 42 and a convex ring 43 integrally connected from top to bottom, the positioning head 41 corresponds to the upper electrode 60, the positioning body 42 is embedded in the electrode cap 30, the upper and lower ends of the spring 50 are respectively fixed to the lower end surface of the convex ring 43 and the upper surface of the step portion 211, and the upper end surface of the convex ring 43 is abutted and sealed with the lower end surface of the electrode cap 30.
Referring to fig. 2, the cooling hole 21 includes an upper hole 212 and a lower hole 213, the inner diameter of the upper hole 212 is larger than that of the lower hole 213, and the stepped portion 211 is formed where the upper hole 212 and the lower hole 213 are connected.
When the welding slag removing device is used, a compressed air passage is connected with a compressed air machine, when the upper electrode 60 presses the nut, the positioning pin 40 compresses the spring 50, the lower end of the positioning pin 40 is separated from the electrode cover 30, compressed air enters the cooling hole 21 and moves upwards from a gap between the upper end surface of the convex ring 43 of the positioning pin 40 and the lower end surface of the electrode cover 30, and welding slag is blown out; when the welding is finished and the upper electrode 60 leaves, the convex ring 43 of the positioning pin 40 is reset under the action of the spring 50, so that the slag blowing action of one-time welding is finished, and meanwhile, the compressed air can play a role in cooling the electrode cover 30, so that the consumption of the electrode cover 30 is reduced.
Second embodiment
The difference from the first embodiment is that: referring to fig. 4, the electrode cover 30 includes a cover 31 and a base 32, the base 32 is in threaded connection with the upper portion of the cavity 11, the circulating water cooling block 20 is installed at the lower portion of the cavity 11, and the upper surface of the circulating water cooling block 20 is abutted against the bottom of the base 32.
In the utility model, the cavity 11 is arranged in the electrode holder 10, and the circulating water cooling block 2 is arranged in the cavity 11, so that the electrode cover 30 is directly contacted with the circulating water cooling block 20 to generate a cooling path with the shortest distance, thereby improving the cooling effect of the electrode cover 30 and avoiding the problem of higher abrasion speed of the electrode cover 30; the cooling water channel 22 is spiral, so that the contact area of cooling water with the electrode holder 10 and the electrode cover 30 is increased, the water inlet 23 is arranged at the upper end of the cooling water channel 22, the water outlet 24 is arranged at the lower end of the cooling water channel 11, so that the cooling water can firstly cool the part with higher temperature at the upper end of the electrode holder 10 at the first time, and the cooling effect is improved; in the process of replacing the parts, only the electrode cover 30 needs to be replaced, so that the replacement time is saved, and the damage to the electrode holder 10 is avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A welding electrode assembly, characterized by: it includes electrode holder, circulating water cooling block, the cavity has been seted up on electrode holder upper portion, circulating water cooling block adorns in the cavity, the opening part cover of cavity is equipped with the electrode lid, the centre bore department of electrode lid is equipped with the locating pin, circulating water cooling block center has the cooling hole that runs through upper and lower surface, a step portion has in the cooling hole, the bottom surface of locating pin with be equipped with the spring between the step portion surface, the inside spiral helicine cooling water passageway that is equipped with of circulating water cooling block, the upper end of cooling water passageway is in the water inlet has been seted up on the circulating water cooling block lateral wall, the lower extreme of cooling water passageway is in the delivery port has been seted up on the circulating water cooling block lateral wall.
2. The welding electrode assembly of claim 1, wherein: the circulating water cooling block is detachably connected with the cavity and matched with the cavity in a step form.
3. The welding electrode assembly of claim 2, wherein: the upper surface of the circulating water cooling block is flush with the opening of the cavity, the electrode cover is fixedly connected with the electrode holder through a screw, and the circulating water cooling block is packaged in the cavity.
4. The welding electrode assembly of claim 2, wherein: the electrode cover comprises a cover body and a base, the base is in threaded connection with the upper portion of the cavity, the circulating water cooling block is arranged on the lower portion of the cavity, and the upper surface of the circulating water cooling block is abutted to the bottom of the base.
5. The welding electrode assembly of claim 1, wherein: the electrode holder is internally provided with an air guide tube, the inner diameter of the air guide tube is smaller than the minimum inner diameter of the cavity, the inner diameter of the air guide tube is larger than the inner diameter of the cooling hole, the air guide tube is communicated with the cooling hole to form a compressed air passage, the bottom end of the electrode holder is provided with an air inlet valve, the air inlet valve is communicated with the air guide tube, and the air inlet valve is connected with an external compressed air machine.
6. The welding electrode assembly of claim 1, wherein: still include the upper electrode, the locating pin includes top-down body coupling's location head, location body and bulge loop, the location head with the upper electrode corresponds, the location body is inlayed in the electrode cover, both ends respectively with the lower terminal surface of bulge loop step portion fixed surface about the spring, the up end of bulge loop with the lower terminal surface of electrode cover supports to lean on sealed cooperation.
7. The welding electrode assembly of claim 6, wherein: the cooling hole comprises an upper hole and a lower hole, the inner diameter of the upper hole is larger than that of the lower hole, and the stepped part is formed at the joint of the upper hole and the lower hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022616719.1U CN213729907U (en) | 2020-11-13 | 2020-11-13 | Welding electrode assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022616719.1U CN213729907U (en) | 2020-11-13 | 2020-11-13 | Welding electrode assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213729907U true CN213729907U (en) | 2021-07-20 |
Family
ID=76823810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022616719.1U Active CN213729907U (en) | 2020-11-13 | 2020-11-13 | Welding electrode assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213729907U (en) |
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2020
- 2020-11-13 CN CN202022616719.1U patent/CN213729907U/en active Active
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