CN2225928Y - Multifunctional projection welding torch - Google Patents
Multifunctional projection welding torch Download PDFInfo
- Publication number
- CN2225928Y CN2225928Y CN 95201420 CN95201420U CN2225928Y CN 2225928 Y CN2225928 Y CN 2225928Y CN 95201420 CN95201420 CN 95201420 CN 95201420 U CN95201420 U CN 95201420U CN 2225928 Y CN2225928 Y CN 2225928Y
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- China
- Prior art keywords
- rifle body
- fit structure
- water pipe
- electrode
- cooling water
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- Expired - Fee Related
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Abstract
The utility model relates to a multifunctional projection welding gun, which belongs to the technical field of resistance welding. The utility model is composed of an electrode 1, an electrode base 2, a cooling water pipe 3, a gun body 4, a casing 5, a low-impedance water-through electric cable 6, a return pipe 7, a fixing plate 8, a switch 9 and a fastener 10, and is characterized in that one end of the electrode is provided with a head part 1a, and that the other end is provided with a central groove 1b, in which the water pipe 3 is inserted, and a structure 1c which is matched with a structure 2a on one end of the electrode base. The other end of the electrode base is provided with a structure 2c which is matched with a gun body structure 4a; the electrode base and the gun body are provided with central holes 2b and 4b; the other end of the gun body is provided with a positioning structure 4h of the water pipe 3 and structures 4c and 4f which are connected with the electric cable 6; a gap B, out of which cooling water flows, is arranged between the external wall of the water pipe and the central groove and between the external wall of the water pipe and a central hole wall.
Description
Multi-functional projection welding torch belongs to the resistance welded technical field, particularly relates to a kind of projection welder technology, is used for the multi-functional projection welding torch that handwares such as welded nut, bolt (screw), packing ring, pipe joint are used.
When being welded in nut on the metal sheet, produce with known manual electric arc welding meeting: welding deformation is big, influence the member precision, thin plate easily burns, is easy to generate rosin joint and sealing-off phenomenon.Welding job amount for industries such as automobile, motorcycle, locomotive, grain machineries is big, as adopting the manual electric arc welding difficulty bigger.China issued the standard GB 13680-92 and the GB13681-92 of welded nut in 1992.Project-welding nut is widely used in above-mentioned industry, and manual arc welds this nut can produce deficiency same when welding plain nut.
The utility model purpose provides a kind of multi-functional projection welding torch, and the deficiency that it produces in the time of can overcoming known manual electric arc welding improves welding quality, and production efficiency.Multi-functional projection welding torch can project-welding nut, also can finish general spot welding operation, can finish weld job to mild steel, low-alloy steel, part non-ferrous metal.Can change the operation that electrode is finished multiple handwares such as project-welding nut, bolt, packing ring, pipe joint according to different needs.
The utility model is achieved in that (implication sees the description of drawings part for details among the figure referring to accompanying drawing 1 to 3.Mainly by electrode 1, electrode tip holder 2, cooling water pipe 3, rifle body 4, shell 5, Low ESR Water cooling cable 6, return pipe 7, fixed head 8, switch 9, the multi-functional projection welding torch that securing member 10 is formed, an end that it is characterized in that welding gun electrode 1 has and can directly contact the head 1a that the welding of realization weldment can be selected several structures for use with weldment, the central recess 1b that the other end of electrode 1 has a 3a of termination portion of cooling water pipe 3 to insert reaches the structure 1c that is sealed and matched that is connected fit structure 2a connection with an end of electrode tip holder 2, the other end of electrode tip holder 2 has with an end of rifle body 4 and is connected fit structure 4a, the structure 2c that is sealed and matched that connects, electrode tip holder 2 has cooling water pipe 3 to pass centre bore 2b, the centre bore 4b that rifle body 4 has cooling water pipe 3 to pass, the other end of rifle body 4 has the other end of cooling water pipe 3 to connect the installation location fit structure 4h of fit structure 3b on the annular boss of rifle body centre bore, rifle body 4 other ends also have the hermetically-sealed construction 4c that cooperates 6a to connect that is connected with Low ESR Water cooling cable 6, the screw connection structure 4f that cooperates with cable top nut 6c, the hole 4e that is connected with an end 7a of return pipe 7 is arranged on the rifle body 4, the other end of return pipe 7 has the drop-proof structure 7b that is connected with external water pipe, the structure 5a that matches with the external wall 4d of rifle that rifle body 4 is installed is arranged on the shell 5, with on the fastening shell of forming by halves 5 of screw 10 application of force handle 5b and master cock 9 being arranged, the fixed head 8 that is welded on the rifle body 4 is connected with shell 5, the outer wall of cooling water pipe 3 and central recess 1b, centre bore 2b, the gap B that cooling water flow out of is arranged between the wall of centre bore 4b.One 1a of termination portion of electrode 1 is pressed on nut or handware on the workpiece, and the electrode other end has the but central recess 1b that inserts of water pipe 3 of cooling, and the electrode other end connects fit structure 1c in addition and is connected the fit structure 2a connection that is sealed and matched with an end of electrode tip holder 2.The electrode tip holder other end has and connects fit structure 2c and be connected the fit structure 4a connection that is sealed and matched with an end of rifle body 4.Centre bore 2b, 4b that electrode tip holder, rifle body have cooling water pipe 3 to pass.Cooling water is introduced in pipe and is flowed to electrode.The end in addition of the annular boss installation and positioning structure 4h of the other end central hole of rifle body and cooling water pipe is connected fit structure 3b and positions and be connected.The rifle body other end have connect fit structure 4c and Low ESR Water cooling cable 6 be connected the fit structure 6a connection that is sealed and matched.The rifle body other end also has the nut 6c on screw connection structure 4f and the cable to be connected.One end 7a of return pipe 7 and the shoulder hole 4e on the rifle body are welded to connect, and the other end has the 7b of drop-proof structure to be connected with outside tube.5 fens halves of shell.The structure 5a installation that matches with the external wall 4d of rifle on the shell.Fixed head 8 is welded on the rifle body and with the halves shell and is connected with screw 10.Application of force handle 5b and master cock 9 are arranged on the shell.The gap B that cooling water flow out of is arranged between the wall of cooling water pipe outer wall and central recess 1b, centre bore 2b, 4b.The multi-functional projection welding torch and the source of welding current form a whole.Low ESR Water cooling cable (water flows into from centre bore 6b) is transferred to welding current and cooling water on the rifle body.The rifle body is by electrode tip holder, electrode, pass to welding current on the workpiece.Cooling water in the cable passes to cooling electrode on the electrode by the cooling water pipe in the rifle body.The gap B of cooled water between pipe outer wall and central recess, center hole wall discharges from return pipe 7.The rifle body can not generate heat when the big electric current of assurance welded like this.Switch 9 can be realized the break-make of welding current.Electrode pressure is to force on the workpiece by handle 5b by the operator.Shell is by the insulating materials manufacturing.Utilizing multi-functional projection welding torch to carry out the nut projection welding is being pressed on the workpiece by the weldering nut with welding gun.After the energising, utilize electric current to flow through resistance heat that nut and workpiece contact-making surface produce, be heated fusing or mecystasis, become one after utilizing external force to make nut and work-piece cools.Give the system salient point on the nut, can form a plurality of nuggets in the joint during projection welding.Multi-functional projection welding torch is the executing agency that transmits electrode pressure and welding current.This welding gun can guarantee that the same axle of workpiece and welded nut goes up reliable location, can make the welding current directed flow again: from welding gun electrode through welded nut, nut salient point, workpiece, at last to another electrode of welding machine.
This welding gun can be welded on M16 on the steel plate of 0.8 to 3 millimeters thick with lower nut by the following electric current of 2 Wan An training.This welding gun can finish plain nut welding, can finish project-welding nut.This welding gun also can be finished the spot welding operation.Can finish the weld job of low-alloy steel, mild steel, part non-ferrous metal.Welding gun electrode is according to required welding handware (nut, bolt, screw, packing ring, pipe joint) kind and the different choice difformity of size, the electrode of different size.But the selected shape of electrode head 1a has taper shape, annular, awl flute profile, sleeve shaped structure.
The other end of cooling water pipe 3 connects fit structure 3b and its installation location fit structure 4h on the annular boss of rifle body centre bore is the swelling syndeton.
The other end of cooling water pipe 3 connects fit structure 3b and its installation location fit structure 4h on the annular boss of rifle body centre bore is a screw connection structure.
The structure 1c that is sealed and matched that is connected fit structure 2a connection on the electrode 1 with an end of electrode tip holder 2 is the taper seat fit structure.
The other end of electrode tip holder 2 is connected fit structure 4a connection with an end of rifle body 4 the structure 2c that is sealed and matched is the taper seat fit structure.
The other end of electrode tip holder 2 is connected fit structure 4a connection with an end of rifle body 4 the structure 2c that is sealed and matched is a thread matching structure.
Multi-functional projection welding torch can gyro suspended on balancer, welding gun weighs 2 kilograms.
Advantage of the present utility model: this welding gun can be formed system with the conventional, electric-resistance welding machine, has overcome the weak point of manual electric arc welding.Not only improve the inherent quality of product, also improved the presentation quality of product.Improved production efficiency, easy to use flexible, processing ease, safe and reliable, maintenance is convenient and not limited by the welding position, can weld plain nut, also can weld welded nut.M16 can be welded on the steel plate of 0.8 to 3 millimeters thick with lower nut.This welding gun can be finished the spot welding operation.Can carry out the welding of low-alloy steel, mild steel, part non-ferrous metal.Electrode is according to required welding handware (nut, bolt, screw, packing ring, pipe joint) kind and the different choice difformity of size, the electrode of different size.Therefore this welding machine function is more.Good being sealed and matched arranged, prevent to leak.
Description of drawings: accompanying drawing 1 to 3 is accompanying drawings of the present utility model.
Fig. 1. the utility model structural representation;
Fig. 2. the utility model and welding machine are formed the connection diagram of system;
Fig. 3. the cooling water pipe of the present utility model structural representation that swelling is connected and installed on rifle body centre bore boss.Fig. 3 is the fragmentary detail view of Fig. 1, and identical structure is with identical preface (generation) number expression.Fig. 1 is the utility model structural representation.Electrode 1 comprises head 1a, central recess 1b, connects cooperation 1c; Electrode tip holder 2 comprises connection fit structure 2a, 2c, centre bore 2b; Cooling water pipe 3 comprises water side head 3a, connects fit structure 3b; Rifle body 4 comprises connection fit structure 4a, 4c, 4h, 4d, 4f, centre bore 4b, shoulder hole 4e; Shell 5 comprises fit structure 5a, handle 5b; Low ESR Water cooling cable 6 comprises connection fit structure 6a, nut 6c, limbers 6b; Return pipe 7 comprise with the link 7a of hole 4e, with external water pipe link drop-proof structure 7b; Fixed head 8; Switch 9; Screw 10; The gap B that cooling water flow out of; Cooling water pipe termination portion 3a plane becomes a angle with the centre bore line; Cooling water flow Inbound F; Cooling water flow outgoing direction O.Fig. 2 is the connection diagram that the utility model and welding machine are formed system.Support 12; Balancer 13; Low ESR Water cooling cable 14; Projection welding torch 15; Nut 16; Steel plate 17; Welding machine 18; Another utmost point 19.Fig. 3 is the schematic diagram that the boss swelling of cooling water pipe 3 of the present utility model on the centre bore of rifle body 4 is connected and installed.Connect fit structure 3b, 4h and adopt the swelling syndeton at the boss place, the water pipe head has local flange.Cooling water flow out of gap B, connect fit structure 4c.
Embodiment: Fig. 1 to Fig. 3 is the accompanying drawing of present embodiment.
Electrode 1 usefulness chromium zirconium copper production, head 1a is a conical structure.Electrode tip holder 2 usefulness red coppers are made.Cooling water pipe 3 is 5/1 millimeter brass tube.Rifle body 4 brass manufacturing, the fastening shell 5 usefulness highstrenghtpistons that are made up of halves make with screw.Low ESR Water cooling cable 6.The outsourcing return pipe equals 45 degree for a angle.Fixed head 8, return pipe 7 are brazed together with rifle body 4.Connect fit structure 1c and 2a, 2c and 4a, 4c and 6a all with the taper seat structure that is connected.Good airproof performance prevents to leak. Fit structure 4d and 5a adopt face of cylinder fit structure.Welding gun weighs about 2 kilograms.Present embodiment and welding machine are formed system.Nut of projection welding torch welding is 7 seconds with the time (comprising assembling, welding, used time).And arc welding welding plain nut is 57 seconds with the time (comprising assembling, welding, folding dress, scarfing cinder, used time of correction screw thread) by hand.Operating efficiency is improved.This welding gun is particularly useful for the welding of batch workpiece, can increase economic efficiency.
The utility model overcomes the drawback of prior art effectively and a kind of novel structure, practical projection welding torch is provided.This welding gun links to each other with the conventional, electric-resistance welding machine, has not only enlarged the scope of application but also convenient, flexible, the processing ease of former welding machine.This welding gun of the welding position that former electrode welder can't put in all can be finished.This welding gun has simple structure, easy to manufacture, characteristics such as production efficiency is high, quality is good.
Claims (8)
1. mainly by electrode [1], electrode tip holder [2], cooling water pipe [3], rifle body [4], shell [5], Low ESR Water cooling cable [6], return pipe [7], fixed head [8], switch [9], the multi-functional projection welding torch that securing member [10] is formed, an end that it is characterized in that welding gun electrode [1] has and can directly contact the head [1a] that the welding of realization weldment can be selected several structures for use with weldment, the central recess [1b] that the other end of electrode [1] has a termination portion [3a] of cooling water pipe [3] to insert reaches the structure that is sealed and matched [1c] that is connected fit structure [2a] connection with an end of electrode tip holder [2], the other end of electrode tip holder [2] has with an end of rifle body [4] and is connected fit structure [4a], the structure that is sealed and matched [2c] that connects, electrode tip holder [2] has cooling water pipe [3] to pass centre bore [2b], the centre bore [4b] that rifle body [4] has cooling water pipe [3] to pass, the other end of rifle body [4] has the other end of cooling water pipe [3] to connect the installation location fit structure [4h] of fit structure [3b] on the annular boss of rifle body centre bore, rifle body [4] other end also has the hermetically-sealed construction [4c] that cooperation [6a] connects that is connected with Low ESR Water cooling cable [6], the screw connection structure [4f] that cooperates with cable top nut [6c], the hole [4e] that is connected with an end [7a] of return pipe [7] is arranged on the rifle body [4], the other end of return pipe [7] has the drop-proof structure [7b] that is connected with external water pipe, the structure [5a] that matches with the external wall of rifle [4d] that rifle body [4] is installed is arranged on the shell [5], with on the fastening shell of forming by halves [5] of screw [10] application of force handle [5b] and master cock [9] being arranged, the fixed head [8] that is welded on the rifle body [4] is connected with shell [5], the outer wall of cooling water pipe [3] and central recess [1b], centre bore [2b], the gap [B] that cooling water flow out of is arranged between the wall of centre bore [4b].
2. multi-functional projection welding torch as claimed in claim 1 is characterized in that the other end connection fit structure [3b] of cooling water pipe [3] and its installation location fit structure [4h] on the annular boss of rifle body centre bore are the swelling syndeton.
3. multi-functional projection welding torch as claimed in claim 1 is characterized in that the other end connection fit structure [3b] of cooling water pipe [3] and its installation location fit structure [4h] on the annular boss of rifle body centre bore are screw connection structure.
4. multi-functional projection welding torch as claimed in claim 1 is characterized in that rifle body [4] other end is the taper seat fit structure with the hermetically-sealed construction [4c] that is connected fit structure [6a] connection of Low ESR Water cooling cable [6].
5. as claim 1,2,3,4 described multi-functional projection welding torches, it is characterized in that it is the taper seat fit structure that electrode [1] is gone up the structure that is sealed and matched [1c] that is connected fit structure [2a] connection with an end of electrode tip holder [2].
6. as claim 1,2,3,4 described multi-functional projection weldings inspections, it is characterized in that electrode [1] is connected fit structure [2a] connection with an end of electrode tip holder [2] the structure that is sealed and matched [1c] is a thread matching structure.
7. as claim 1,2,3,4 described multi-functional projection welding torches, the other end that it is characterized in that electrode tip holder [2] is connected the structure that is sealed and matched [2c] that fit structure [4a] connects and is the taper seat fit structure with an end of rifle body [4].
8. as claim 1,2,3,4 described multi-functional projection welding torches, an end that it is characterized in that electrode tip holder [2] is connected the structure that is sealed and matched [2c] that fit structure [4a] connects and is thread matching structure with an end of rifle body [4].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95201420 CN2225928Y (en) | 1995-02-25 | 1995-02-25 | Multifunctional projection welding torch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95201420 CN2225928Y (en) | 1995-02-25 | 1995-02-25 | Multifunctional projection welding torch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2225928Y true CN2225928Y (en) | 1996-05-01 |
Family
ID=33854864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95201420 Expired - Fee Related CN2225928Y (en) | 1995-02-25 | 1995-02-25 | Multifunctional projection welding torch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2225928Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100488693C (en) * | 2002-11-04 | 2009-05-20 | 奥康工业计划公司 | Improved resistance welding device |
| CN102145426A (en) * | 2010-02-04 | 2011-08-10 | 株式会社大亨 | Welding torch |
| CN102513674A (en) * | 2011-12-14 | 2012-06-27 | 北京卫星环境工程研究所 | Portable pneumatic spot welding machine |
| CN102962576A (en) * | 2012-11-14 | 2013-03-13 | 青岛同日机械电子有限公司 | Hand-held high-frequency induction welding gun |
| CN104028920A (en) * | 2013-03-08 | 2014-09-10 | 上海安莱德汽车零部件有限公司 | Welding gun electrode protecting cover |
-
1995
- 1995-02-25 CN CN 95201420 patent/CN2225928Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100488693C (en) * | 2002-11-04 | 2009-05-20 | 奥康工业计划公司 | Improved resistance welding device |
| CN102145426A (en) * | 2010-02-04 | 2011-08-10 | 株式会社大亨 | Welding torch |
| CN102145426B (en) * | 2010-02-04 | 2014-12-24 | 株式会社大亨 | Welding torch |
| CN102513674A (en) * | 2011-12-14 | 2012-06-27 | 北京卫星环境工程研究所 | Portable pneumatic spot welding machine |
| CN102962576A (en) * | 2012-11-14 | 2013-03-13 | 青岛同日机械电子有限公司 | Hand-held high-frequency induction welding gun |
| CN104028920A (en) * | 2013-03-08 | 2014-09-10 | 上海安莱德汽车零部件有限公司 | Welding gun electrode protecting cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |