CN102886596A - Spot welding system - Google Patents
Spot welding system Download PDFInfo
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- CN102886596A CN102886596A CN2012103821913A CN201210382191A CN102886596A CN 102886596 A CN102886596 A CN 102886596A CN 2012103821913 A CN2012103821913 A CN 2012103821913A CN 201210382191 A CN201210382191 A CN 201210382191A CN 102886596 A CN102886596 A CN 102886596A
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Abstract
The invention discloses a spot welding system and belongs to the field of welding. The system comprises a suspension spot welding machine, a fixture table, a spot-welding gun and a grounding wire, wherein the suspension spot welding machine is arranged on the beam of a workshop; the fixture table is arranged on a welding station and is made of a conductive material; a workpiece to be welded is placed on the fixture table; the spot-welding gun is connected with the suspension spot welding machine, and the suspension spot welding machine supplies power to the spot-welding gun; two ends of the grounding wire are respectively connected with the suspension spot welding machine and the fixture table. The welding principles of a single-sided spot welding machine and a stud welding machine are combined, the suspension spot welding machine supplies power to the spot-welding gun, and a closed loop is formed among the suspension spot welding machine, the welding gun and the workpiece to be welded on the fixture table, so that single-sided welding of the workpiece to be welded is realized, nail implanted spot welding on a body in white is finished, the phenomenon that the welding mode cannot be realized because a reserved hole is not formed in a stamping die is avoided, and interference between the nail implanted spot welding and the welded bolt is avoided; and moreover, the system is simple in overall structure and low in cost and is applied to the nail implanted spot welding on the body in white, and the performance and quality of a complete vehicle can be improved.
Description
Technical field
The present invention relates to welding technology field, particularly a kind of spot-welded on system.
Background technology
About Trend of Auto Manufacturing Technologies; car load is in the production trial-manufacturing process; owing to the needs that are decorated with inside and outside the general assembly and appliance component is located; may increase arc stud welding on substantially perfect body in white newly plants nail or increases projection welding and plant nail; owing to not have design early stage or reserve newly-increased arc stud welding fully and plant and follow closely or the position of nail is planted in projection welding; cause the later stage when enforcement is augmented, following several situation often can occur:
1, do not have preformed hole on the stamping part die, can not realize that increasing projection welding plants nail;
2, the corresponding station that is welded does not have arc stud welding equipment, can't implement welding;
3, after welding is implemented in packing, soldering turret may occur and interfere with the parts such as bolt that welded, affect the problems such as follow-up body in white welding operation.
But in order to promote complete vehicle quality and performance, really need to increase and plant accordingly nail, so just expect in the production process of reality, resistance welding equipment-hitch point welding machine is used widely, and the existence of this equipment is arranged at the main line Body in white frame welding post that is welded, can utilize existing this hitch point welding machine to transform, and then finish the welding of planting the weldering nail?
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
Although the hitch point welding machine exists at the main line Body in white frame welding post that is welded, still can not solve does not have preformed hole, the problem that welding can't realize in the diel.So, in order to realize newly-increased welding of planting nail on the body in white, also need to further improve based on the hitch point welding machine.
Summary of the invention
In order to solve the problem of prior art, the embodiment of the invention provides a kind of spot-welded on system.Described technical scheme is as follows:
Described spot-welded on system comprises: suspension spot welding machine is installed on the crossbeam of workshop; Tooling platform is arranged on the welding post, places workpiece to be welded on it, and described tooling platform is made by conductive material; Spot-welding gun is connected with described suspension spot welding machine, is described spot-welding gun power supply by described suspension spot welding machine; Earth connection, its two ends are connected with tooling platform with suspension spot welding machine respectively.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is:
Based on the existence of hitch point welding machine at the workshop welding post, Fundamentals of Welding in conjunction with one-side mash welder and stud welding machine, utilize suspension spot welding machine to power for welding gun, and between suspension spot welding machine, welding gun, tooling platform are by workpiece to be welded, form a closed-loop path, the single-sided welding of welding work pieces is treated in realization, finish and plant the nail spot-welded on the body in white, this welding manner can not realized because of not having preformed hole on the stamping part die, plants nail spot welding mode and can not occur interfering with the bolt that has welded yet; Entire system is simple in structure, and cost is low, is applied to body in white and plants nail welding and can promote vehicle performance and quality.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the application schematic diagram of the spot-welded on system of the embodiment of the invention;
Fig. 2 is the structural representation of spot-welding gun in the embodiment of the invention.
Wherein, 1, the water flowing torch head, 2, the handle hoop-closing buckle, 3, fastening bolt, 4, handle, 5, switch, 6, control line, 7, Water cooling cable, 8, returning pipe joint, 9, the welded limiting platform, 10, welding gun electrode, 11, return pipe, 12, balancer, 13, suspension spot welding machine, 14, the operative employee, 15, earth connection, 16, tooling platform, 17, workpiece, 18, spot-welding gun.
The specific embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Fig. 1 shows the application schematic diagram of present embodiment spot-welded on system, with reference to diagram, this spot-welded on system comprises: be installed in the suspension spot welding machine 13 on the crossbeam of workshop, be arranged on the tooling platform 16 on the welding post, be used for placing workpiece to be welded 17 on the tooling platform 16, described tooling platform 16 is made by conductive material; With the spot-welding gun 18 that described suspension spot welding machine 13 is connected, described suspension spot welding machine 13 is used to described spot-welding gun 18 power supplies; And the earth connection 15 that is connected is connected with suspension spot welding machine 13 respectively in two ends with tooling platform.The formed spot-welded on of this structure system, based on the original suspension spot welding machine that has arranged of workshop welding post 13 as power supply, for spot-welding gun 18 power supplies, can simplify the loaded down with trivial details property that the workshop body in white is planted the nail welding system layout, reduce welding system and arrange needed cost; To form a loop between suspension spot welding machine 13, spot-welding gun 18, workpiece 17 to be welded, the tooling platform 16 by earth connection 15, when weld on the surface of spot-welding gun 18 contact workpiece 17, meet workpiece 17 single fillet welded requirements, realize that good spot welding plants nail.
Particularly, the structural representation of described spot-welding gun 18 as shown in Figure 2, spot-welding gun 18 comprises: water flowing torch head 1, the one end arranges welding gun electrode 10, the Water cooling cable 7 that is connected with described welding gun electrode 10 is passed in inside; Handle 4, fixing described water flowing torch head 1 on it arranges the switch 5 that is connected with described suspension spot welding machine 13 on described handle 4, and described switch 5 is connected by control line 6 with described suspension spot welding machine 13.In order to make things convenient for the fixed installation of spot-welding gun 18 on handle 4, on the described handle 4 handle hoop-closing buckle 2 is set, described water flowing torch head 1 is fixed on the described handle hoop-closing buckle 2.
The spot-welding gun 18 of present embodiment is based on also that the structure transformation of suspension spot welding machine welding gun obtains, and can further reduce the cost of present embodiment spot-welded on system.Particularly, water flowing torch head 1 is taken out from the suspension spot welding machine soldering turret, then handle 4 is taken off equally; Handle 4 is buckled 2 by fastening bolt 3 with the handle clip and is fixedly connected with, and handle clip button 2 is fixing by fastening bolt and water flowing torch head 1 equally, requires preferably insulation above the tube wall of water flowing torch head 1 and between the handle clip button 2.Switch 5 is as a whole with handle 4, and control line 6 one ends at first are connected on the switch 5 of handle 4, then an other end are connected to suspension spot welding machine 13 and get final product.By easy transformation, can obtain the basic frame structure of spot-welding gun 18 and supply electrical connection, the operation of switch 5 is passed to suspension spot welding machine 13 by control line 6, and suspension spot welding machine 13 can be powered to Water cooling cable according to this information, in order to weld.
In the present embodiment, earth connection 15 is so that workpiece 17 self as the part in loop, so that welding process has formed closed loop, satisfies the required condition of spot-welded on; The load requirement that described earth connection 15 self can satisfy under the welding condition fully.
Also be provided with water flowing/backwater module on the described suspension spot welding machine 13, the delivery port of described water flowing/backwater module is connected with described Water cooling cable 7; The water inlet of described water flowing/backwater module is connected by return pipe 11 with returning pipe joint 8 on being arranged on described Water cooling cable 7; Also be provided with control module on the described suspension spot welding machine 13, whether described control module and described water flowing/backwater module, Water cooling cable 7 are connected with control line and are connected respectively, power to described Water cooling cable 7 to carry out water flowing or backwater and control suspension spot welding machine 13 between the described water flowing of signal controlling of transmitting according to control line 6/backwater module and the Water cooling cable 7.Welding gun electrode 10 can play the effect of water inlet pipe in the present embodiment in Water cooling cable 7 inside, has formed preferably circulation with return pipe 11 simultaneously, and then reaches the purpose of cooling.
Described welding gun electrode 10 ends also are provided with welded limiting platform 9, to carry out spacingly to the nail of planting to be welded, guarantee that welding efficiently accurately carries out.
Tube connector wire harness between spot-welding gun 18 and the suspension spot welding machine 13 comprises above-mentioned Water cooling cable 7 at least, control line 6 and return pipe 1, this bale of pipeline has certain length and weight, when operative employee 14 plants nail welding, if directly operate spot-welding gun 18 by dragging the aforementioned tube wire harness, labour intensity will be very large, so in the present embodiment described bale of pipeline is connected with balancer 12 on being arranged on the workshop crossbeam, be provided with at least two balancers 12 on the crossbeam of described workshop, two described balancers 12 are connected with corresponding position on the described bale of pipeline, balancer 12 can either carry the weight of bale of pipeline, the balance and stability that can guarantee bale of pipeline again moves, and convenient operation worker 14 plants nail welding accurately.
When planting nail welding, at first according to use state diagram shown in Figure 1 above-mentioned indirect welding welding system is installed, must guarantee the fastness of Water cooling cable 7 and earth connection 15 during installation, can not have any looseningly, otherwise can produce explosion and obvious spark when implementing welding.After whole system installs, at first carry out the adjustment of welding parameter, for guaranteeing that spot-welding gun 18 contacts first workpiece 17 rear energisings, the welding squeeze time need to be set to be not less than 15 cycles (frequency is 50 hertz electric current, a cycle equals 0.02 second), be not less than 15 cycles pressing time, in this welding, precompressed and pressing time, the purpose of complete and common hitch point welding machine was different, and these two parameters here mainly are to guarantee welding gun at the contact plate or slightly to contact plate be temporarily energising of workpiece 17.Mainly be to carry out the setting of weld interval and welding current to spot-welding gun 18 welding parameters, ordinary circumstance is set as 30 cycles weld interval, and welding current gets final product at 8000A.
When coming into effect welding, at first earth connection 15 is pressed on and forms good loop when guaranteeing work on the tooling platform 16, then workpiece 17 is put on the tooling platform 16, guaranteed 17 contact-making surfaces that certain area can be arranged of tooling platform 16 and workpiece, the current loop when more guaranteeing to weld.Formal the same with habitually in the past welding when implementing welding, first the greasy dirt on the workpiece 17 etc. is disposed, and then enforcement welds, finally reach the effect that single face is planted nail.Spot-welding gun 18 requires welding gun electrode 10 to contact and apply certain external force with workpiece 17 in the process of operation.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a spot-welded on system is characterized in that, comprising:
Suspension spot welding machine (13) is installed on the crossbeam of workshop;
Tooling platform (16) is arranged on the welding post, places workpiece (17) to be welded on it, and described tooling platform (16) is made by conductive material;
Spot-welding gun (18) is connected with described suspension spot welding machine (13), is described spot-welding gun (18) power supply by described suspension spot welding machine (13);
Earth connection (15), its two ends are connected 16 with suspension spot welding machine (13) with tooling platform respectively) be connected.
2. spot-welded on according to claim 1 system is characterized in that described spot-welding gun (18) comprising:
Water flowing torch head (1), one end arrange welding gun electrode (10), and the Water cooling cable (7) that is connected with described welding gun electrode (10) is passed in inside;
Handle (4), fixing described water flowing torch head (1) on it, the upper switch (5) that is connected with described suspension spot welding machine (13) that arranges of described handle (4).
3. spot-welded on according to claim 2 system is characterized in that be provided with water flowing/backwater module on the described suspension spot welding machine (13), the delivery port of described water flowing/backwater module is connected with described Water cooling cable (7); The water inlet of described water flowing/backwater module is connected with returning pipe joint (8) on being arranged on described Water cooling cable (7).
4. spot-welded on according to claim 3 system is characterized in that described switch (5) is connected by control line (6) with described suspension spot welding machine (13).
5. spot-welded on according to claim 3 system, it is characterized in that, described suspension spot welding machine also is provided with control module on (13), described control module is connected 6 with described water flowing/backwater module, Water cooling cable (7) with control line) be connected respectively, carry out water flowing or backwater and whether power to described Water cooling cable (7) with the described water flowing of signal controlling of transmitting according to control line (6)/backwater module.
6. spot-welded on according to claim 2 system is characterized in that be provided with handle hoop-closing buckle (2) on the described handle (4), described water flowing torch head (1) is fixed on the described handle hoop-closing buckle (2).
7. spot-welded on according to claim 2 system is characterized in that described welding gun electrode (10) end is provided with welded limiting platform (9).
8. spot-welded on according to claim 5 system is characterized in that, is connected by return pipe (11) between the water inlet of described water flowing/backwater module and the described returning pipe joint (8).
9. spot-welded on according to claim 8 system is characterized in that described Water cooling cable (7), control line (6) are connected 11 with return pipe) formed bale of pipeline is connected with balancer (12) on being arranged on the workshop crossbeam.
10. spot-welded on according to claim 9 system is characterized in that, is provided with at least two balancers (12) on the crossbeam of described workshop, and two described balancers (12) are connected with corresponding position on the described bale of pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210382191.3A CN102886596B (en) | 2012-10-10 | 2012-10-10 | Spot-welded system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210382191.3A CN102886596B (en) | 2012-10-10 | 2012-10-10 | Spot-welded system |
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| Publication Number | Publication Date |
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| CN102886596A true CN102886596A (en) | 2013-01-23 |
| CN102886596B CN102886596B (en) | 2015-08-12 |
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| CN201210382191.3A Active CN102886596B (en) | 2012-10-10 | 2012-10-10 | Spot-welded system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934602A (en) * | 2014-05-08 | 2014-07-23 | 苏州皇森机电科技有限公司 | Control structure of suspended type spot welding machine |
| CN109175640A (en) * | 2018-09-30 | 2019-01-11 | 上海丹景智能装备有限公司 | A kind of seamless welding mechanism of single side applied to white body production-line |
| CN109732188A (en) * | 2019-03-11 | 2019-05-10 | 汉腾汽车有限公司 | A kind of fixed device of welding gun |
| CN110181160A (en) * | 2019-06-26 | 2019-08-30 | 安徽大洋机械制造有限公司 | A kind of automobile back wheel packet plant weldering nail |
| CN110181157A (en) * | 2019-06-26 | 2019-08-30 | 安徽大洋机械制造有限公司 | A kind of automobile back wheel packet welding procedure |
| CN116551275A (en) * | 2023-07-11 | 2023-08-08 | 吉林大学 | Suspension type spot welding device convenient for welding various automobile models |
| CN117840563A (en) * | 2024-03-07 | 2024-04-09 | 中国标准化研究院 | Electric automobile body welding equipment and method |
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| CN201565716U (en) * | 2009-05-31 | 2010-09-01 | 金涛 | Water-saving controller of spot-welding machine |
| CN201979203U (en) * | 2011-01-20 | 2011-09-21 | 奇瑞汽车股份有限公司 | Water-cooled single-side spot welding gun |
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Patent Citations (2)
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| CN201565716U (en) * | 2009-05-31 | 2010-09-01 | 金涛 | Water-saving controller of spot-welding machine |
| CN201979203U (en) * | 2011-01-20 | 2011-09-21 | 奇瑞汽车股份有限公司 | Water-cooled single-side spot welding gun |
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| 薛勇强: "两种焊装线悬挂平移滑车系统的比较分析", 《机械工人.热加工》, no. 07, 15 July 1999 (1999-07-15), pages 26 - 27 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934602A (en) * | 2014-05-08 | 2014-07-23 | 苏州皇森机电科技有限公司 | Control structure of suspended type spot welding machine |
| CN109175640A (en) * | 2018-09-30 | 2019-01-11 | 上海丹景智能装备有限公司 | A kind of seamless welding mechanism of single side applied to white body production-line |
| CN109732188A (en) * | 2019-03-11 | 2019-05-10 | 汉腾汽车有限公司 | A kind of fixed device of welding gun |
| CN110181160A (en) * | 2019-06-26 | 2019-08-30 | 安徽大洋机械制造有限公司 | A kind of automobile back wheel packet plant weldering nail |
| CN110181157A (en) * | 2019-06-26 | 2019-08-30 | 安徽大洋机械制造有限公司 | A kind of automobile back wheel packet welding procedure |
| CN116551275A (en) * | 2023-07-11 | 2023-08-08 | 吉林大学 | Suspension type spot welding device convenient for welding various automobile models |
| CN117840563A (en) * | 2024-03-07 | 2024-04-09 | 中国标准化研究院 | Electric automobile body welding equipment and method |
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| CN102886596B (en) | 2015-08-12 |
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