CN106695087B - Split type water-cooling anti-splashing gas shield welding rifle - Google Patents
Split type water-cooling anti-splashing gas shield welding rifle Download PDFInfo
- Publication number
- CN106695087B CN106695087B CN201710078853.0A CN201710078853A CN106695087B CN 106695087 B CN106695087 B CN 106695087B CN 201710078853 A CN201710078853 A CN 201710078853A CN 106695087 B CN106695087 B CN 106695087B
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- Prior art keywords
- gun body
- inlet channel
- cooling
- split type
- gas shield
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Classifications
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- 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
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/26—Accessories for electrodes, e.g. ignition tips
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
- B23K9/285—Cooled electrode holders
Abstract
The present invention relates to a kind of gas shield welding rifle, specifically a kind of Split type water-cooling anti-splashing gas shield welding rifle belongs to welding gun equipment technical field.It includes top gun body, middle part gun body and lower part gun body, and middle part gun body upper and lower side is respectively equipped with thread head, middle part gun body up and down and is threadedly coupled respectively with top gun body, lower part gun body by upper and lower thread head, and middle part gun body upper end and top gun body are welded to connect integrally；Cooling water cover is connected on the external thread section of lower part gun body, connects ignition tip in internal thread segment.Welding gun of the invention uses separate structure, can carry out quick-replaceable to delicate pipette tips threaded portion, avoids and changes the components such as rifle disassembly electrified cable, protection gas air inlet pipe, wire feed hose, greatly reduces downtime and labor intensity of workers.
Description
Technical field
The present invention relates to a kind of gas shield welding rifle, specifically a kind of Split type water-cooling anti-splashing gas shield welding rifle belongs to weldering
Rifle equipment technical field.
Background technique
In commercial vehicle catalysis evolution device component encapsulation, welding encapsulation is carried out frequently with gas shielded arc welding.Gas shielded arc welding
It is a kind of welding method of protection medium using inert gases such as argon gas and carbon dioxide as welding metal.Because gas is protected
Shield weldering electric current is compared with respect to the mainstreams welding technique such as manual electric arc welding, submerged-arc welding has welding current small, so its pipette tips, molten bath
Region calorific value is smaller.Welding the benefit that calorific value smaller strip is come is that thermal deformation is small, and it is small that postwelding leaves stress, welding region metal
Crystal grain is small, and weld strength is high.
In the prior art, gas shield welding connects welding gun frequently with integral type welding gun, and protective gas enters at the top of gun body, passes through rifle
Intracorporal runner flows out around pipette tips ignition tip.There is a protective cover around pipette tips ignition tip, protective gas is in protective cover
Aggregation provides the stable environment of an isolation air for welding region especially molten bath zone, prevents welding metal at high temperature
Oxidation reaction occurs with air.There are the following problems for integral type welding gun: (1) the main heating part of gas shield welding rifle is in pipette tips ignition tip
Around, without cooling structure, the heat of pipette tips dissipates does not go out existing welding gun, is easy to burn out ignition tip, makes ignition tip and pipette tips
Screw thread is installed and generates gluing.When the protective gas of room temperature is entered around ignition tip, a large amount of heat makes gas expansion, drives and melts
Welding metal generate splash phenomena, for a long time splash generate liquid metal splash in gas shield cover, burn gas shield
Cover；(2) since most of gas shield welding at this stage connects welding gun using integral structure, and ignition tip belongs to vulnerable part, and high temperature makes
The installation screw thread of pipette tips and ignition tip generates gluing, and replacement can generate the phenomenon under ignition tip is twisted not often, overexert sometimes
Phenomena such as pipette tips internal screw thread can be made to generate sliding teeth when twisting ignition tip again；When the internal screw thread of the welding gun pipette tips installation ignition tip of integral type
When there is phenomena such as sliding teeth, replacement can only be scrapped, increases factory's operation cost.
Summary of the invention
It is an object of the present invention to overcome the above deficiencies, to provide a kind of Split type water-cooling anti-splashing gas shield welding
Rifle is equipped with cooling body at ignition tip, can reduce welding gun calorific value, effectively extends ignition tip service life.
According to technical solution provided by the invention, Split type water-cooling anti-splashing gas shield welding rifle includes top gun body, middle part rifle
Conducting block is welded in body and lower part gun body, top gun body outer surface, sets that there are two conductor cable mounting hole, features on conducting block
Be: middle part gun body upper and lower side be respectively equipped with up and down thread head, middle part gun body by upper and lower thread head respectively with top gun body, lower part
Gun body is threadedly coupled, and middle part gun body upper end and top gun body are welded to connect integrally；Weld suction nozzle, suction nozzle in conducting block side
It is equipped with external screw thread, suction nozzle is connect by external screw thread with hose of supplying gas；Lower part gun body lower end is successively arranged external thread section and interior
Thread segment connects cooling water cover on the external thread section of lower part gun body, connects ignition tip in internal thread segment；It is equipped in the suction nozzle
Air inlet, top air inlet channel are connected to air inlet, and a top air inlet channel is equipped in the gun body of top, and middle part gun body is equipped with
Multiple middle part inlet channels, multiple middle part inlet channels are connected to top air inlet channel, lower part gun body be equipped with multiple lower parts into
Gas channel and multiple gas transmission slots, multiple lower part inlet channels are connected to multiple middle part inlet channels, multiple gas transmission slots and it is multiple under
The connection of portion's inlet channel.
Further, cooling water cover side wall is equipped with water inlet pipe and outlet pipe, water inlet pipe and outlet pipe respectively with cooling water cover
Cooling chamber connection.
Further, gun body upper end in top is equipped with internal thread hole, and internal thread hole bottom is bellmouth.
Further, gun body outer surface in middle part is equipped with applicator recess.
Further, gun body outer surface in middle part is equipped with multiple annular grooves.
Further, top gun body, middle part gun body and lower part gun body outer surface are equipped with silver coating.
Further, carbon seal ring is equipped at lower part gun body upper and lower side and middle part gun body, cooling water cover connecting end surface.
Further, gun body lower end surface in top is equipped with upper spreading grooves, and upper spreading grooves upper and lower side is logical with top air inlet respectively
Road is connected to middle part inlet channel.
Further, gun body upper surface in lower part is equipped with middle spreading grooves, and middle spreading grooves upper and lower side is logical with middle part air inlet respectively
Road is connected to lower part inlet channel.
Further, gun body lower end surface in lower part is equipped with lower spreading grooves, and lower spreading grooves upper and lower side is logical with lower part air inlet respectively
Road is connected to gas transmission slot.
Compared with the prior art the present invention has the advantage that
The invention has the advantages of simple structure, compactness and reasonable structure, and welding gun uses separate structure, can carry out to delicate pipette tips threaded portion
Quick-replaceable avoids and changes the components such as rifle disassembly electrified cable, protection gas air inlet pipe, wire feed hose, when greatly reducing shutdown
Between and labor intensity of workers；Cooling body is equipped at ignition tip, integrally silver-plated rear resistance is small for welding gun, and calorific value is small, effectively prolongs
Long ignition tip service life mitigates high temperature gluing phenomenon and splashing at ignition tip screw thread, reduces the temperature in molten bath, mitigates weldering
Oxidative phenomena after connecing.
Detailed description of the invention
Fig. 1 is main view of the present invention.
Fig. 2 is half sectional view of the present invention.
Fig. 3 is A-A cross-sectional view in Fig. 2.
Fig. 4 is B-B cross-sectional view in Fig. 2.
Fig. 5 is C-C cross-sectional view in Fig. 2.
Description of symbols: 1- conducting block, 2- suction nozzle, the top 3- gun body, the middle part 4- gun body, the lower part 5- gun body, 6- stone
Black sealing ring, 7- cooling water cover, 8- ignition tip, 9- conductor cable mounting hole, 10- internal thread hole, 11- bellmouth, 12- annular
Slot, 13- applicator recess, 14- air inlet, 15- top air inlet channel, the middle part 16- inlet channel, the lower part 17- inlet channel, 18-
Spreading grooves under spreading grooves, 20- water inlet pipe, 21- outlet pipe, 22- cooling chamber, 23- gas transmission slot, 24- in upper spreading grooves, 19-.
Specific embodiment
The present invention will be further described in conjunction with the embodiment in attached drawing below:
As shown in Fig. 1 ~ 5, the invention mainly comprises top gun body 3, middle part gun body 4 and lower part gun body 5, in middle part gun body 4
Lower end is respectively equipped with thread head up and down, and middle part gun body 4 is connected with top gun body 3,5 screw thread of lower part gun body respectively by upper and lower thread head
It connects, 4 upper end of middle part gun body and top gun body 3 are welded to connect integrally.
Conducting block 1 is welded in gun body 3 outer surface in top, and suction nozzle 2 is welded in 1 side of conducting block, and suction nozzle 2 is equipped with outer spiral shell
Line, suction nozzle 2 are connect by external screw thread with hose of supplying gas.
It is set on the conducting block 1 there are two conductor cable mounting hole 9, two conductor cable mounting holes 9 are used to access welding
Electric current.
3 upper end of top gun body is equipped with internal thread hole 10, and top gun body 3 connects welding wire feeder by internal screw thread.It is interior
10 bottom of threaded hole is bellmouth 11, and bellmouth 11 can preferably make welding wire enter the wire feed hole at top gun body center.
4 outer surface of middle part gun body is equipped with multiple annular grooves 12, and annular groove 12 can increase and air contact area, increases
Strong heat dissipation effect.
4 outer surface of middle part gun body is equipped with applicator recess 13, and applicator recess 13 can provide stress point for spanner, convenient
Gun body installation.
Gun body 5 lower end in lower part is successively arranged external thread section and internal thread segment, connects cooling on the external thread section of lower part gun body 5
Water cover 7 connects ignition tip 8 in internal thread segment.
It is equipped with carbon seal ring 6 at 5 upper and lower side of lower part gun body and middle part gun body 4,7 connecting end surface of cooling water cover, is led to
Cross the sealing performance at the raising connecting end surface of carbon seal ring 6.
It is equipped with air inlet 14 in the suction nozzle 2, is equipped with a top air inlet channel 15, top air inlet in top gun body 3
Channel 15 is connected to air inlet 14, middle part gun body 4 be equipped with multiple middle part inlet channels 16, multiple middle part inlet channels 16 with it is upper
Portion's inlet channel 15 is connected to.Lower part gun body 5 is equipped with multiple lower part inlet channels 17 and multiple gas transmission slots 23, multiple lower part air inlets
Channel 17 is connected to multiple middle part inlet channels 16, and multiple gas transmission slots 23 are connected to multiple lower part inlet channels 17.
3 lower end surface of top gun body is equipped with upper spreading grooves 18, and upper 18 upper and lower side of spreading grooves is logical with top air inlet respectively
Road 15 is connected to middle part inlet channel 16, and upper 18 energy gas dispersion of spreading grooves, the gas that top air inlet channel 15 comes passes through upper
Spreading grooves 18 enter in multiple middle part inlet channels 16.
5 upper surface of lower part gun body is equipped with middle spreading grooves 19, and middle 19 upper and lower side of spreading grooves is logical with middle part air inlet respectively
Road 16 is connected to lower part inlet channel 17, middle spreading grooves 19 can gas dispersion, the gas that middle part inlet channel 16 comes passes through
Middle spreading grooves 19 enter in multiple lower part inlet channels 17.
5 lower end surface of lower part gun body is equipped with lower spreading grooves 24, and lower 24 upper and lower side of spreading grooves is logical with lower part air inlet respectively
Road 17 is connected to gas transmission slot 28, lower spreading grooves 24 can gas dispersion, the gas that lower part inlet channel 17 comes passes through lower diffusion
Slot 24 enters in multiple gas transmission slots 28.
7 side wall of cooling water cover is equipped with water inlet pipe 20 and outlet pipe 21, water inlet pipe 20 and outlet pipe 21 respectively with cooling
The cooling chamber 22 of water cover 7 is connected to.
The top gun body 3, middle part gun body 4 and 5 outer surface of lower part gun body are equipped with silver coating, and silver coating can further subtract
Resistance in lancet body mitigates fever.
Welding gun when in use, since welding wire feeding can cause to wear to ignition tip centre bore in ignition tip, conductive mouth position
It will cause burning out for ignition tip from welding metal hypotelorism, so ignition tip is vulnerable part.When replacing ignition tip, due to welding
The high temperature of generation does not twist ignition tip and the screw thread of lower part gun body generation gluing often.If twisted by force by tool
Words, will cause the thread damage of lower part gun body.New lance body structure can make delicate lower part gun body quick-replaceable, avoid previous
It needs whole rifle dismounting and change, it is time-consuming and laborious.The entire gun body changed can not also repair.
When welding progress, protective gas is entered the present invention by suction nozzle, passes sequentially through top air inlet channel, upper diffusion
Slot, middle part inlet channel, lower spreading grooves, the outflow of lower part inlet channel are gathered in cooling water cover, what formation one was isolated relatively
Compression ring border is protected, provides protection for welding region.
Cooling water cover of the invention can effectively mitigate gun body fever phenomenon, and fever phenomenon mitigation can have 3 big benefits: first is that drop
Low welding gun ambient temperature mitigates the oxidation reaction of postwelding metal；Second is that mitigating the glued phenomenon of ignition tip and lower part gun body screw thread；
The welding wire melted is driven to cause to splash third is that slowing down protection gas and acutely expanding.When entire welding gun assembles after processing is completed, we are also
Silver-plated process is carried out, resistance in gun body is further decreased, mitigates fever.
Claims (7)
1. a kind of Split type water-cooling anti-splashing gas shield welding rifle, including top gun body (3), middle part gun body (4) and lower part gun body (5),
Conducting block (1) is welded in gun body (3) outer surface in top, sets that there are two conductor cable mounting hole (9) on conducting block (1), it is characterized in that:
Middle part gun body (4) upper and lower side be respectively equipped with up and down thread head, middle part gun body (4) by upper and lower thread head respectively with top gun body
(3), lower part gun body (5) is threadedly coupled, and middle part gun body (4) upper end and top gun body (3) are welded to connect integrally；Conducting block (1)
Suction nozzle (2) are welded in side, and suction nozzle (2) is equipped with external screw thread, and suction nozzle (2) is connect by external screw thread with hose of supplying gas；Under
Portion's gun body (5) lower end is successively arranged external thread section and internal thread segment, connects cooling water cover on the external thread section of lower part gun body (5)
(7), ignition tip (8) are connected in internal thread segment；Air inlet (14) are equipped in the suction nozzle (2), one is equipped in top gun body (3)
A top air inlet channel (15), top air inlet channel (15) are connected to air inlet (14), and middle part gun body (4) is equipped with multiple middle parts
Inlet channel (16), multiple middle part inlet channels (16) are connected to top air inlet channel (15), and lower part gun body (5) is equipped with multiple
Lower part inlet channel (17) and multiple gas transmission slots (23), multiple lower part inlet channels (17) and multiple middle part inlet channels (16) are even
Logical, multiple gas transmission slots (23) are connected to multiple lower part inlet channels (17)；Top gun body (3) lower end surface is equipped with upper diffusion
Slot (18), upper spreading grooves (18) upper and lower side are connected to top air inlet channel (15) and middle part inlet channel (16) respectively, lower part rifle
Body (5) upper surface be equipped with middle spreading grooves (19), middle spreading grooves (19) upper and lower side respectively with middle part inlet channel (16) and lower part
Inlet channel (17) connection, lower part gun body (5) lower end surface be equipped with lower spreading grooves (24), lower spreading grooves (24) upper and lower side respectively with
Lower part inlet channel (17) is connected to gas transmission slot (23).
2. Split type water-cooling anti-splashing gas shield welding rifle as described in claim 1, it is characterized in that: the cooling water cover (7) side wall
Equipped with water inlet pipe (20) and outlet pipe (21), water inlet pipe (20) and outlet pipe (21) cooling chamber with cooling water cover (7) respectively
(22) it is connected to.
3. Split type water-cooling anti-splashing gas shield welding rifle as described in claim 1, it is characterized in that: the top gun body (3) upper end
Equipped with internal thread hole (10), internal thread hole (10) bottom is bellmouth (11).
4. Split type water-cooling anti-splashing gas shield welding rifle as described in claim 1, it is characterized in that: the middle part gun body (4) appearance
Face is equipped with applicator recess (13).
5. Split type water-cooling anti-splashing gas shield welding rifle as described in claim 1, it is characterized in that: the middle part gun body (4) appearance
Face is equipped with multiple annular grooves (12).
6. Split type water-cooling anti-splashing gas shield welding rifle as described in claim 1, it is characterized in that: the top gun body (3), middle part
Gun body (4) and lower part gun body (5) outer surface are equipped with silver coating.
7. Split type water-cooling anti-splashing gas shield welding rifle as described in claim 1, it is characterized in that: the lower part gun body (5) is up and down
Carbon seal ring (6) are equipped at end and middle part gun body (4), cooling water cover (7) connecting end surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710078853.0A CN106695087B (en) | 2017-02-14 | 2017-02-14 | Split type water-cooling anti-splashing gas shield welding rifle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710078853.0A CN106695087B (en) | 2017-02-14 | 2017-02-14 | Split type water-cooling anti-splashing gas shield welding rifle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106695087A CN106695087A (en) | 2017-05-24 |
| CN106695087B true CN106695087B (en) | 2019-04-23 |
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ID=58909094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710078853.0A Active CN106695087B (en) | 2017-02-14 | 2017-02-14 | Split type water-cooling anti-splashing gas shield welding rifle |
Country Status (1)
| Country | Link |
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| CN (1) | CN106695087B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262884B (en) * | 2017-08-07 | 2022-07-15 | 长沙中创海通智能科技有限公司 | Argon arc welding gun with cooling function and device with argon arc welding gun |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3126015B2 (en) * | 1995-03-28 | 2001-01-22 | 日立建機株式会社 | Water-cooled torch for welding machine |
| CN101745724B (en) * | 2009-12-17 | 2012-10-03 | 重庆大学 | Electromagnetic direct-drive high-speed double-wire magnetic-field compound flux copper-gasket submerged arc welding device and method thereof |
| CN102528249A (en) * | 2012-03-02 | 2012-07-04 | 北京工业大学 | Condensation electric arc welding gun |
| KR101341872B1 (en) * | 2013-05-03 | 2013-12-17 | 양춘자 | Diffuser to maximize the heat dissipation area with gas welding torch |
| CN203765153U (en) * | 2014-04-15 | 2014-08-13 | 山东胜利钢管有限公司 | Gas shielded welding gun for thick wire high-speed automatic welding |
| CN204747732U (en) * | 2015-07-01 | 2015-11-11 | 苏州东金机械金属有限公司 | Water -cooling welder |
| CN106363285B (en) * | 2016-12-06 | 2019-10-11 | 上海永言特种材料研究所 | A kind of improved welding gun |
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2017
- 2017-02-14 CN CN201710078853.0A patent/CN106695087B/en active Active
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| CN106695087A (en) | 2017-05-24 |
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