CN109108443A - A kind of fire extinguisher nozzle and upper seal head structure and its welder and its welding method - Google Patents
A kind of fire extinguisher nozzle and upper seal head structure and its welder and its welding method Download PDFInfo
- Publication number
- CN109108443A CN109108443A CN201710482712.5A CN201710482712A CN109108443A CN 109108443 A CN109108443 A CN 109108443A CN 201710482712 A CN201710482712 A CN 201710482712A CN 109108443 A CN109108443 A CN 109108443A
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- Prior art keywords
- upper cover
- nozzle
- welder
- welding
- positioning seat
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- 238000003466 welding Methods 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims description 56
- 230000009471 action Effects 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Resistance Welding (AREA)
Abstract
The present invention relates to, more specifically, it is related to a kind of fire extinguisher nozzle and upper seal head structure and its welder and its welding method, it include nozzle and upper cover, the nozzle is embedded in the centre bore that upper cover is equipped with, and the nozzle is equipped with boss, the second inner arc surface that the boss can be equipped with upper cover is bonded, the welder is equipped with fixture positioning seat, and the fixture positioning seat is equipped with groove, and the first exterior arc surface that the groove can be equipped with upper cover is bonded；The welder is equipped with the welding set for welding nozzle and upper cover; with manufacturing cost, the reduction cost of labor for reducing welding tool setup; the characteristics of simplifying production and processing technology; production efficiency can be greatly improved compared to the method for CO2 gas shielded arc welding; and the appearance degree for improving product, improves the market competitiveness of fire extinguisher product.
Description
Technical field
The present invention relates to more particularly, to a kind of fire extinguisher nozzle and upper seal head structure and its welder and its weldering
Connect method.
Background technique
The welding of the nozzle and upper cover of fire extinguisher, previous traditional approach generally use the mode of outer wall circular seam welding, pass through
The welding of CO2 gas shielded arc welding automatic feeding.Due to wanting filler wire to be welded, welding cost is considerably increased.Circular weld
It is be easy to cause dry joint, so the operative skill to the positioning of welding fixture, clamping accuracy and personnel requires height, is set to increase
Standby, fixture and cost of labor.It is easy to cause product quality unqualified simultaneously, to influence the normal use of product, and is easy
Cause safety accident.
Summary of the invention
The present invention in order to overcome at least one of the drawbacks of the prior art described above, provides a kind of fire extinguisher nozzle and upper cover
Structure and its welder and its welding method have the manufacturing cost for reducing welding tool setup, reduce cost of labor, simplify
The characteristics of production and processing technology, can greatly improve production efficiency compared to the method for CO2 gas shielded arc welding, and improve product
Appearance degree, improve the market competitiveness of fire extinguisher product.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of fire extinguisher nozzle and upper seal head structure
And its welder, it include nozzle and upper cover, the nozzle is embedded in the centre bore that upper cover is equipped with, in which: described
Nozzle is equipped with boss, and the boss can be bonded with the inner face that upper cover is equipped with, and the welder is equipped with fixture positioning seat,
The fixture positioning seat is equipped with groove, and the first exterior arc surface that the groove can be equipped with upper cover is bonded；The welding dress
Install the welding set for welding nozzle and upper cover.
The present invention is equipped with nozzle and upper cover, is equipped with centre bore in upper cover, nozzle can be entrenched in centre bore.In order to
It can be realized fitting closely for upper cover and centre bore, boss be equipped on nozzle, nozzle is when being entrenched on upper cover, boss
It can be bonded with the inner face that upper cover is equipped with.Welder is equipped with fixture positioning seat, and fixture positioning seat is equipped with groove, is carrying out
During welding, welding set compresses nozzle, so that nozzle is bonded closely with upper cover.It carries out in welding process, welding
Device is powered, and carries out electric resistance welding to nozzle and upper cover.Since boss is bonded with the inner face that upper cover is equipped with, can reach
To good welding effect, the imprecise situation of welding is avoided the occurrence of, is further ensured that product quality.
In one embodiment, welding set is equipped with the top electrode that can be connect with boss and can connect with upper cover
Lower electrode, the lower electrode be set to fixture positioning seat in.
In carrying out welding process, top electrode contacts boss, and lower electrode contacts upper cover, and nozzle is in top electrode and lower electrode
Under the action of closely connect with upper cover by boss.Carry out electric resistance welding when, be powered to top electrode and lower electrode, boss with
Upper cover junction closely links together since resistance heating generates melting.Lower electrode is set to fixture positioning seat
It is interior, while the groove that fixture positioning seat is equipped with is bonded with the first exterior arc surface that upper cover is equipped with, it is equipped in fixture positioning seat
The first exterior arc surface that can be closely equipped with upper cover of lower electrode be bonded.Such design can simplify welder
Structure facilitates the progress of weld job.
In one embodiment, welder is equipped with discharging device, and the discharging device is equipped with and is connected with material returned bar
Material returned cylinder, the material returned bar are set in fixture positioning seat.
After the completion of welding, in order to taking out soldered device rapidly and efficiently, the present invention is filled equipped with the material returned
It sets, discharging device is connected with material returned bar by material returned cylinder, and material returned bar can be in fixture positioning seat under the action of material returned cylinder
Inside carry out ejection movement.After the completion of welding, material returned cylinder pushes material returned bar to eject nozzle, and nozzle drives upper cover movement,
To realize the quick material returned, working efficiency is improved.
The present invention also provides another technical solutions: a kind of fire extinguisher nozzle and upper seal head structure and its welder, packet
Nozzle and upper cover being included, the nozzle is embedded in the centre bore that upper cover is equipped with, in which: the nozzle is equipped with multi-diameter shaft,
The multi-diameter shaft can be bonded with the centre bore that upper cover is equipped with, and the welder is equipped with fixture positioning seat, and the fixture is fixed
Position seat is equipped with protrusion, and the second inner arc surface that the protrusion can be equipped with upper cover is bonded；The welder is equipped with and is used for
Weld the welding set of nozzle and upper cover.
Multi-diameter shaft is equipped on nozzle, multi-diameter shaft can be chimeric with the centre bore that upper cover is equipped with, and multi-diameter shaft is connected to
In the centre bore that end socket is equipped with.Upper cover is equipped with the second inner arc surface and is pressing from both sides in order to stable upper cover in the welding process
Have positioning seat and be equipped with protrusion, protrusion can closely fit together with the second inner arc surface.During being welded,
Welding set, which is powered, carries out electric welding field.
In one embodiment, welding set be equipped with can with the top electrode of ladder axis connection and can connect with upper cover
The lower electrode connect, the lower electrode are set in fixture positioning seat.
In carrying out welding process, top electrode contacts nozzle, and lower electrode contacts upper cover, and nozzle is fixed in top electrode and fixture
It is closely connect by multi-diameter shaft with upper cover under the action of the seat of position.When carrying out electric resistance welding, it is powered to top electrode and lower electrode,
Multi-diameter shaft and upper cover junction are melted since resistance heating generates, and then are closely linked together.Lower electrode is set to folder
Have in positioning seat, while the protrusion that fixture positioning seat is equipped with is bonded with the second inner arc surface that upper cover is equipped with, fixture positioning
The second inner arc surface that the lower electrode being equipped in seat can be closely equipped with upper cover is bonded.Such design can simplify weldering
The structure of connection device facilitates the progress of weld job.
In one embodiment, welder is equipped with discharging device, and the discharging device is equipped with and is connected with material returned bar
Material returned cylinder, the material returned bar are set in fixture positioning seat.
After the completion of welding, in order to taking out soldered device rapidly and efficiently, the present invention is filled equipped with the material returned
It sets, discharging device is connected with material returned bar by material returned cylinder, and material returned bar can be in fixture positioning seat under the action of material returned cylinder
Inside carry out ejection movement.After the completion of welding, material returned cylinder pushes material returned bar to eject nozzle, and nozzle drives upper cover movement,
To realize the quick material returned, working efficiency is improved.
The present invention is compared to the prior art, and the structure and welding method of nozzle and upper cover are able to achieve reduction welding tooling
The manufacturing cost of fixture, the purpose for reducing cost of labor.Simplify production and processing technology simultaneously, compared to CO2 gas shielded arc welding
Method can greatly improve production efficiency.It is also able to achieve reduction welding consumables cost because not having to filler wire welding, and improves production
The appearance degree of product, so greatly improving the market competitiveness of fire extinguisher product.
Detailed description of the invention
Fig. 1 is present invention overall structure diagram in one embodiment.
Fig. 2 is present invention part A structural schematic diagram in one embodiment.
Fig. 3 is present invention overall structure diagram in one embodiment.
Fig. 4 is present invention nozzle structural schematic diagram in one embodiment.
Fig. 5 is present invention part B structural schematic diagram in one embodiment.
Specific embodiment
Attached drawing only for illustration, is not considered as limiting the invention；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of positional relationship is described in attached drawing
Illustrate, is not considered as limiting the invention.
Embodiment 1:
As shown in Figure 1, the present invention provides a kind of fire extinguisher nozzle and upper seal head structure and its welder and its welding method, packet
Nozzle 1 and upper cover 2 are included.
As shown in Fig. 2, being equipped with centre bore 23 on upper cover 2.Boss 11, nozzle 1 and centre bore 23 are equipped on nozzle 1
Chimeric, boss 11 is bonded with the second inner arc surface 21 that upper cover 2 is equipped with.
As shown in Figure 1, fixture positioning seat 3 is equipped with groove 31, the first exterior arc surface 22 that upper cover 2 is equipped with is pasted with groove 31
It closes, realizes the close contact of upper cover 2 and fixture positioning seat 3.
Electric resistance welding is carried out, upper cover 2 is bonded with fixture positioning seat 3,5 oppression boss 11 of top electrode, in boss 11 and second
Arc surface 21 fits closely.Since fixture positioning seat 3 also has contention effect, the first exterior arc surface 22 of upper cover 2 to upper cover 2
It is also fitted closely under the contention effect of top electrode 5 with the groove 31 of fixture positioning seat 3.Lower electrode 6 is arranged in fixture positioning seat 3
Inside, lower electrode 6 contact under the action of top electrode 5 with the first exterior arc surface 22.
It is powered to electrode, top electrode 5 is powered to the boss 11 that nozzle 1 is equipped with；Lower electrode 6 to upper cover 2 into
Row is powered.Boss 11 and upper cover 2 connect, and boss 11 and 2 junction of upper cover are melted since resistance heating generates, and carry out tight
Weld together.
As shown in Figure 1, the present invention is equipped with discharging device 4, discharging device 4 is equipped with material returned cylinder 42, and material returned cylinder 42 is installed
In mounting plate 41.Upper material returned cylinder 42 is connected with material returned bar 43, and material returned bar 43 can be in fixture under the action of material returned cylinder 42
It is moved in positioning seat 3.After the completion of electric welding field, material returned cylinder 42 drives material returned bar 43 to eject nozzle 1, and nozzle 1 drives
Upper cover 2 after the completion of welding exits welder, effectively improves the efficiency of welding.
The present invention also provides the welding methods of welder, include following steps:
S1: manually the first exterior arc surface 22 that upper cover 2 is equipped be bonded with the groove 31 that fixture positioning seat 3 is equipped with and be determined
Position；
S2: nozzle 1 is manually passed through into the centre bore 23 that upper cover 2 is equipped with, the inner face 21 that boss 11 is equipped with upper cover 2 is pasted
It closes；
S3: top electrode 5 compresses boss 11 and inner face 21 under the action of pressurized cylinder, work of the lower motor 6 in pressurized cylinder
It is compressed with lower with upper cover 2；
S4: manually powering on carry out electric resistance welding, and after the completion of welding, material returned cylinder 42 drives material returned bar 43 to be acted, the material returned
The nozzle 1 being welded and upper cover 2 are ejected fixture positioning seat 3 by bar 43.
In step sl, the groove 31 that the first exterior arc surface 22 that upper cover 2 is equipped with is equipped with fixture positioning seat 3 is pasted
Close positioning.The lower electrode 6 that fixture positioning seat 3 is equipped at this time is contacted with upper cover 2.
In step s 2, after nozzle 1 passes through centre bore 23, boss 11 is bonded with the second inner arc surface 21, is being welded
When can be realized the bonding of boss 11 and the second inner arc surface 21.
In step s3, effect has pressurized cylinder in top electrode 5, and pressurized cylinder oppresses top electrode 5, and top electrode 5 is being pressurizeed
Nozzle 1, while the electrode 6 in the case where also compressing under pressurized cylinder acts on of upper cover 2 are compressed under cylinder action.
Embodiment 2:
In the present embodiment, as shown in figure 4, nozzle 1 is equipped with multi-diameter shaft 12, what 12 diameter value of multi-diameter shaft was equipped with no more than upper cover 2
The diameter value of centre bore 23.The multi-diameter shaft 12 that nozzle 1 is equipped with can be entrenched in centre bore 23.
As shown in figure 5, the second inner arc surface 21 for being equipped with upper cover 2 is pasted with fixture positioning seat 3 before being welded
It closes.After the completion of second inner arc surface 21 is bonded with protrusion 32, the multi-diameter shaft 12 that nozzle 1 is equipped with is entrenched in centre bore 23.
As shown in figure 3, being equipped with lower electrode 6 in fixture positioning seat 3, lower electrode 6 is in the second inner arc surface 21 and protrusion 32
It is contacted while fitting with the second inner arc surface 21, so as to be the energization of upper cover 2.
When carrying out electric resistance welding, top electrode 5 compresses nozzle 1, while multi-diameter shaft 12 and center under the action of pressurized cylinder
Hole 23 is fitted into even closer.After energization, since multi-diameter shaft 12 and 23 contact surface of centre bore generate resistance heat, multi-diameter shaft 12 and center
23 contact surface of hole is fused together, and plays the role of welding.
As shown in figure 3, being equipped with discharging device 4 in the present embodiment, discharging device 4 is equipped with material returned cylinder 42, material returned cylinder 42
It is mounted on mounting plate 41.Material returned cylinder 42 is connected with material returned bar 43, and material returned bar 43 can be under the action of material returned cylinder 42
It is moved in fixture positioning seat 3.After the completion of electric welding field, material returned cylinder 42 drives material returned bar 43 to eject upper cover 2, upper envelope
First 2 drive the nozzle 1 after the completion of welding to exit welder, effectively improve the efficiency of welding.
In the present embodiment, welding method includes following steps:
S1: the second inner arc surface 21 that upper cover 2 is equipped with manually is bonded positioning with 32 row of protrusion that fixture positioning seat 3 is equipped with；
S2: manually passing through the centre bore 23 that upper cover 2 is equipped with for nozzle 1, the centre bore 23 that multi-diameter shaft 12 and upper cover 2 are equipped with
It is chimeric；
S3: top electrode 5 compresses multi-diameter shaft 12 and inner face 21 under the action of pressurized cylinder, and lower electrode 6 is in pressurized cylinder
Effect is lower and upper cover 2 compresses；
S4: manually powering on carry out electric resistance welding, and after the completion of welding, material returned cylinder 42 drives material returned bar 43 to be acted, the material returned
The nozzle 1 being welded and upper cover 2 are ejected fixture positioning seat 3 by bar 43.
In step sl, the second inner arc surface 21 that upper cover 2 is equipped with is pasted with the protrusion 32 that fixture positioning seat 3 is equipped with
Close positioning.The lower electrode 6 that fixture positioning seat 3 is equipped at this time is contacted with upper cover 2.
In step s 2, multi-diameter shaft 12 is chimeric with centre bore 23, can be realized multi-diameter shaft 12 and center when being welded
The welding in hole 23.
In step s3, effect has pressurized cylinder in top electrode 5, and pressurized cylinder oppresses top electrode 5, and top electrode 5 is being pressurizeed
Nozzle 1, while the electrode 6 in the case where also compressing under pressurized cylinder acts on of upper cover 2 are compressed under cylinder action.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (8)
1. a kind of fire extinguisher nozzle and upper seal head structure and its welder include nozzle (1) and upper cover (2), the cylinder
Mouth (1) is embedded in the centre bore (23) that upper cover (2) is equipped with, it is characterised in that: the nozzle (1) is equipped with boss (11), institute
The inner face (21) that stating boss (11) can be equipped with upper cover (2) is bonded, and the welder is equipped with fixture positioning seat (3),
The fixture positioning seat (3) is equipped with groove (31), the first exterior arc surface that the groove (31) can be equipped with upper cover (2)
(22) it is bonded；The welder is equipped with the welding set for welding nozzle (1) and upper cover (2).
2. a kind of fire extinguisher nozzle according to claim 1 and upper seal head structure and its welder, it is characterised in that: institute
It states welding set and is equipped with the top electrode (5) that can be connect with boss (11) and the lower electrode (6) that can be connect with upper cover (2),
The lower electrode (6) is set in fixture positioning seat (3).
3. a kind of fire extinguisher nozzle according to claim 1 and upper seal head structure and its welder, it is characterised in that: institute
Welder is stated equipped with discharging device (4), the discharging device (4) is equipped with the material returned cylinder (42) for being connected with material returned bar (43),
The material returned bar (43) is set in fixture positioning seat (3).
4. the welding method of welder according to claim 3, step include:
S1: manually the first exterior arc surface (22) that upper cover (2) is equipped with and the groove (31) that fixture positioning seat (3) are equipped with are carried out
Fitting positioning；
S2: manually passing through the centre bore (23) that upper cover (2) are equipped with for nozzle (1), and boss (11) and upper cover (2) are equipped with
Inner face (21) fitting；
S3: top electrode (5) compresses boss (11) and inner face (21) under the action of pressurized cylinder, and lower motor (6) is being pressurizeed
It is compressed under the action of cylinder with upper cover (2)；
S4: manually powering on carry out electric resistance welding, and after the completion of welding, material returned cylinder (42) driving material returned bar (43) is acted,
The nozzle being welded (1) and upper cover (2) are ejected fixture positioning seat (3) by material returned bar (43).
5. a kind of fire extinguisher nozzle and upper seal head structure and its welder include nozzle (1) and upper cover (2), the cylinder
Mouth (1) is embedded in the centre bore (23) that upper cover (2) is equipped with, it is characterised in that: and the nozzle (1) is equipped with multi-diameter shaft (12),
The multi-diameter shaft (12) can be chimeric with centre bore (23) that upper cover (2) are equipped with, and the welder is equipped with fixture positioning seat
(3), the fixture positioning seat (3) is equipped with raised (32), the second Inner arc that the protrusion (32) can be equipped with upper cover (2)
Face (21) fitting；The welder is equipped with the welding set for welding nozzle (1) and upper cover (2).
6. a kind of fire extinguisher nozzle according to claim 1 and upper seal head structure and its welder, it is characterised in that: institute
It states welding set and is equipped with the top electrode (5) connecting with multi-diameter shaft (12) and the lower electrode (6) connecting with upper cover (2), under described
Electrode (6) is set in fixture positioning seat (3).
7. a kind of fire extinguisher nozzle according to claim 1 and upper seal head structure and its welder, it is characterised in that: institute
Welder is stated equipped with discharging device (4), the discharging device (4) is equipped with the material returned cylinder (42) for being connected with material returned bar (43),
The material returned bar (43) is set in fixture positioning seat (3).
8. the welding method of welder according to claim 7, step include:
S1: manually the second inner arc surface (21) that upper cover (2) is equipped with and the protrusion (32) that fixture positioning seat (3) are equipped with are carried out
Fitting positioning；
S2: nozzle (1) is manually passed through into the centre bore (23) that upper cover (2) are equipped with, multi-diameter shaft (12) and upper cover (2) are equipped with
Centre bore (23) it is chimeric；
S3: top electrode (5) compresses multi-diameter shaft (12) and inner face (21) under the action of pressurized cylinder, and lower electrode (6) is adding
It is compressed under the action of air cylinder with upper cover (2)；
S4: manually powering on carry out electric resistance welding, and after the completion of welding, material returned cylinder (42) driving material returned bar (43) is acted,
The nozzle being welded (1) and upper cover (2) are ejected fixture positioning seat (3) by material returned bar (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710482712.5A CN109108443A (en) | 2017-06-22 | 2017-06-22 | A kind of fire extinguisher nozzle and upper seal head structure and its welder and its welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710482712.5A CN109108443A (en) | 2017-06-22 | 2017-06-22 | A kind of fire extinguisher nozzle and upper seal head structure and its welder and its welding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109108443A true CN109108443A (en) | 2019-01-01 |
Family
ID=64732949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710482712.5A Pending CN109108443A (en) | 2017-06-22 | 2017-06-22 | A kind of fire extinguisher nozzle and upper seal head structure and its welder and its welding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109108443A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1943953A (en) * | 2006-11-06 | 2007-04-11 | 鹏煜威科技(深圳)有限公司 | Resistance welding method for copper and iron |
| CN202622163U (en) * | 2011-07-27 | 2012-12-26 | 广东联塑科技实业有限公司 | Automatic spot welding device for junction box |
| CN103521904A (en) * | 2013-10-10 | 2014-01-22 | 大连三洋压缩机有限公司 | Resistance welding method |
| CN103769811A (en) * | 2013-12-24 | 2014-05-07 | 汪佳泉 | Manufacturing technology of upper sealing head of portable fire extinguisher cylinder body |
| CN104439732A (en) * | 2014-12-10 | 2015-03-25 | 斯培淦 | Novel welding structure and welding method |
| CN208195910U (en) * | 2017-06-22 | 2018-12-07 | 鹤山联塑实业发展有限公司 | A kind of Fire extinguisher tube mouth structure and its welder |
-
2017
- 2017-06-22 CN CN201710482712.5A patent/CN109108443A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1943953A (en) * | 2006-11-06 | 2007-04-11 | 鹏煜威科技(深圳)有限公司 | Resistance welding method for copper and iron |
| CN202622163U (en) * | 2011-07-27 | 2012-12-26 | 广东联塑科技实业有限公司 | Automatic spot welding device for junction box |
| CN103521904A (en) * | 2013-10-10 | 2014-01-22 | 大连三洋压缩机有限公司 | Resistance welding method |
| CN103769811A (en) * | 2013-12-24 | 2014-05-07 | 汪佳泉 | Manufacturing technology of upper sealing head of portable fire extinguisher cylinder body |
| CN104439732A (en) * | 2014-12-10 | 2015-03-25 | 斯培淦 | Novel welding structure and welding method |
| CN208195910U (en) * | 2017-06-22 | 2018-12-07 | 鹤山联塑实业发展有限公司 | A kind of Fire extinguisher tube mouth structure and its welder |
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Application publication date: 20190101 |