CN102380700A - High-power capacitor-energy-storage type multipoint portal projection welding machine - Google Patents
High-power capacitor-energy-storage type multipoint portal projection welding machine Download PDFInfo
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- CN102380700A CN102380700A CN2011102907946A CN201110290794A CN102380700A CN 102380700 A CN102380700 A CN 102380700A CN 2011102907946 A CN2011102907946 A CN 2011102907946A CN 201110290794 A CN201110290794 A CN 201110290794A CN 102380700 A CN102380700 A CN 102380700A
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Abstract
The invention discloses a high-power capacitor-energy-storage type multipoint portal projection welding machine, comprising a portal frame, a plurality of capacitor cabinets and a plurality of transformers, wherein the transformers are respectively connected with capacitors in the capacitor cabinets; every two secondary coils of the transformers are connected in series, and then all the two secondary coils are integrally connected in parallel; and the output ends of the secondary coils of the first transformer and the last transformer are respectively connected with an upper electrode and a lower electrode by an upper conductive bar and a lower conductive bar. In the high-power capacitor-energy-storage type multipoint portal projection welding machine, every two secondary coils of the transformers are connected in series, and then all the two secondary coils are integrally connected in parallel, and the integrated conductive bars are adopted, so that the secondary voltage is increased multiply, the problem that the secondary voltage of the transformers is reduced due to overlong loops can be solved, the current loss is reduced, the problem of insufficient welding current is avoided, further the power of the welding machine can be effectively improved and the whole welding capability of the capacitor-energy-storage type welding machine is improved multiply.
Description
Technical field
The present invention relates to a kind of capacitance energy storage type welding machine, particularly a kind of high power capacity energy storage type multiple spot gantry row's welding machine.
Background technology
The past corrosion resistant plate salient point welding AC resistances that adopt weld more; The secondary commutation electric resistance welding, but since the characteristic of stainless steel itself (for example: higher high temperature strength is arranged, and heat sensitivity is strong; Resistivity is high; Poor thermal conductivity) cause the heat affected area grain growth, the intercrystalline corrosion phenomenon occurs, welding effect is undesirable.So a lot of now commercial cities of making adopt the capacitance energy storage type welding machine to carry out the projection welding of corrosion resistant plate; But, only be fit to multi-convex point welding than small workpiece because the problem on technology and the manufacturing process has only low power condenser discharge welder on the market; Thicker bigger corrosion resistant plate is reached 30 salient points welding with regard to an anxious Mo Zhanliao; Cause the stainless steel welding TIG plug welding technologies that fall behind that adopt of this type of big workpiece, the welding efficiency of workpiece is very low, the progress that influence is produced more.
Summary of the invention
To the deficiency of above-mentioned prior art, the purpose of this invention is to provide a kind of powerful capacitance energy storage type multiple spot gantry row's welding machine.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of high power capacity energy storage type multiple spot gantry row's welding machine, it comprises: portal frame; Several capacitor box are provided with electric capacity in the said capacitor box, and charging transformer connects copper bar, the rectification original paper; Several transformers; Said several transformers respectively with said several capacitor box in electric capacity be connected; The secondary coil of said several transformers is connected whole parallelly connected in twos again, and wherein the output of first transformer and last transformer secondary output coil is connected several top electrodes with last busbar, following busbar respectively; Said top electrode is connected with said portal frame through pressure-applying unit, and said top electrode is connected with the said busbar of going up through cable; Several bottom electrodes, said bottom electrode is connected with said portal frame through elevating mechanism, and said bottom electrode is connected with said busbar down through cable; The workpiece dolly, said workpiece dolly is positioned on the guide rail, and said workpiece dolly is connected with a driving mechanism, and said workpiece dolly is between said top electrode and said bottom electrode; Switch board is provided with control module in the said switch board, and said control module is connected with said pressure-applying unit, elevating mechanism, driving mechanism respectively.
Preferably, said busbar, the integrated formed structure of following busbar gone up for forming by the fine copper cast.
Preferably, said driving mechanism comprises servomotor, ball-screw, nut, and said nut cooperates with said ball screw, and said servomotor is connected with said ball screw, and said nut is connected with said workpiece dolly through a connection piece.
Preferably, said workpiece dolly is provided with position sensor, and said position sensor is connected with said control module.
Technique scheme has following beneficial effect: this high power capacity energy storage type multiple spot gantry row's welding machine is connected the secondary coil of several transformers more whole parallelly connected in twos; And adopt integrated busbar; Secondary voltage is significantly improved; Can solve the problem that transformer-secondary voltage is reduced because of the loop is long, reduce current loss, avoid occurring the not enough problem of welding current; And then can effectively improve the power of bonding machine, capacitance energy storage type bonding machine integral solder ability is significantly improved.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention, understands technological means of the present invention in order can more to know, and can implement according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. this patent is elaborated.
Description of drawings
Fig. 1 is the front view of the embodiment of the invention.
Fig. 2 is the resolution chart of the embodiment of the invention.
The specific embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described in detail.
Like Fig. 1, shown in 2; This high power capacity energy storage type multiple spot gantry row's welding machine comprises a portal frame 1, several capacitor box and several transformers 2, is provided with electric capacity in the capacitor box, charging transformer; Connect copper bar; Rectification original paper, several transformers 2 respectively with several capacitor box in electric capacity be connected, be that transformer 2 provides power supply through electric capacity.The secondary coil of several transformers 2 is connected whole parallelly connected in twos again; The output of first transformer is connected with last busbar 3 respectively; The output of last transformer secondary output coil is connected with following busbar 4; Last busbar 3, down busbar 4 all for pouring into a mould the integrated formed structure that forms by fine copper, transformer 2 is fixed on the portal frame 1.
Also be provided with several top electrodes 8 and several bottom electrodes 9 on the portal frame 1, top electrode 8 is connected with portal frame 1 through pressure-applying unit 5, and pressure-applying unit can drive top electrode 8 and move up and down, and top electrode 8 is connected with last busbar 3 through cable.Bottom electrode 9 is connected with portal frame 1 through elevating mechanism 6, and bottom electrode 9 is connected with following busbar 4 through cable, and elevating mechanism 6 can drive bottom electrode 9 and move up and down.
Between top electrode 8 and bottom electrode 9, be provided with a workpiece dolly 7, workpiece dolly 7 is positioned on the guide rail, and guide rail is fixed on the portal frame 1.Workpiece dolly 7 is connected with a driving mechanism; Driving mechanism comprises servomotor 10, ball-screw 11, nut 12; Nut 12 cooperates with ball screw 11, and servomotor 10 is connected with ball screw 11, and nut 12 is connected with workpiece dolly 7 through a connection piece 13; Servomotor 10 rotations can drive the workpiece dolly and slidably reciprocate along guide rail, also are provided with the position sensor that is used to detect workpiece dolly position on the workpiece dolly 7.
This high power capacity energy storage type multiple spot gantry row's welding machine also comprises a switch board; Switch board adopts the mode of separating with main frame; Built-in programmable controller, main control board, servo-driver, touch-screen, contactor and other electrical equipment original paper form control module; Its appearance design is attractive in appearance, and is easy to operate.Pressure-applying unit 5, elevating mechanism 6, servomotor 10 and position sensor all are connected with the interior control module of switch board.
This high power capacity energy storage type multiple spot gantry row's welding machine is when work; At first workpiece is installed on the workpiece dolly 7 through anchor clamps; Drive workpiece dollies 7 through servomotor 10 then and move, when workpiece dolly 7 moves to assigned address, pressure-applying unit 5 drives top electrodes 8 and moves down; Elevating mechanism 6 drives bottom electrode 9 and moves up, and so just can weld workpiece.
This high power capacity energy storage type multiple spot gantry row's welding machine is connected the secondary coil of several transformers more whole parallelly connected in twos; And adopt integrated busbar, secondary voltage is significantly improved, can solve the problem that transformer-secondary voltage is reduced because of the loop is long; Reduce current loss; Avoid occurring the not enough problem of welding current, and then can effectively improve the power of bonding machine, capacitance energy storage type bonding machine integral solder ability is significantly improved.Adopt this high power capacity energy storage type multiple spot gantry row's welding machine can 30 salient points of disposable welding, the welding work pieces maximum can reach 1830mm * 1830mm, the thick 316L stainless steel of 4mm salient point diameter of phi 4, and height 1mm, the weldment surface does not have obviously weldering trace; Piece post welding distortion amount≤0.5mm/m; Solder joint is just drawing intensity>=8000N; Except that manual work picked and placeed workpiece, other operation was all accomplished automatically;
More than a kind of high power capacity energy storage type multiple spot gantry that the embodiment of the invention provided row's welding machine has been carried out detailed introduction; For one of ordinary skill in the art; According to the thought of the embodiment of the invention, the part that on the specific embodiment and range of application, all can change, in sum; This description should not be construed as limitation of the present invention, and all any changes of making according to design philosophy of the present invention are all within protection scope of the present invention.
Claims (4)
1. welding machine is arranged at high power capacity energy storage type multiple spot gantry, it is characterized in that it comprises:
Portal frame;
Several capacitor box are provided with electric capacity in the said capacitor box, and charging transformer connects copper bar, the rectification original paper;
Several transformers; Said several transformers respectively with said several capacitor box in electric capacity be connected; The secondary coil of said several transformers is connected whole parallelly connected in twos again, and wherein the output of first transformer and last transformer secondary output coil is connected with last busbar, following busbar respectively
Several top electrodes, said top electrode is connected with said portal frame through pressure-applying unit, and said top electrode is connected with the said busbar of going up through cable;
Several bottom electrodes, said bottom electrode is connected with said portal frame through elevating mechanism, and said bottom electrode is connected with said busbar down through cable;
The workpiece dolly, said workpiece dolly is positioned on the guide rail, and said workpiece dolly is connected with a driving mechanism, and said workpiece dolly is between said top electrode and said bottom electrode;
Switch board is provided with control module in the said switch board, and said control module is connected with said pressure-applying unit, elevating mechanism, driving mechanism respectively.
2. high power capacity energy storage type multiple spot according to claim 1 gantry row's welding machine is characterized in that:
Said busbar, the integrated formed structure of following busbar gone up for forming by the fine copper cast.
3. high power capacity energy storage type multiple spot according to claim 1 gantry row's welding machine is characterized in that:
Said driving mechanism comprises servomotor, ball-screw, nut, and said nut cooperates with said ball screw, and said servomotor is connected with said ball screw, and said nut is connected with said workpiece dolly through a connection piece.
4. high power capacity energy storage type multiple spot according to claim 3 gantry row's welding machine is characterized in that:
Said workpiece dolly is provided with position sensor, and said position sensor is connected with said control module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102907946A CN102380700A (en) | 2011-09-29 | 2011-09-29 | High-power capacitor-energy-storage type multipoint portal projection welding machine |
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| CN2011102907946A CN102380700A (en) | 2011-09-29 | 2011-09-29 | High-power capacitor-energy-storage type multipoint portal projection welding machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721284A (en) * | 2012-06-27 | 2012-10-10 | 中冶南方(武汉)威仕工业炉有限公司 | Trolley traction device |
| CN103358005A (en) * | 2012-03-27 | 2013-10-23 | 昆山荣仕杰自动焊接设备有限公司 | Energy-storage-type resistance welding machine special for freeze dryer shelf |
| CN104842057A (en) * | 2015-05-29 | 2015-08-19 | 昆山市汇新焊接机械自动化科技有限公司 | 24-point welding machine for metal-plate goods shelves |
| CN106808076A (en) * | 2017-03-06 | 2017-06-09 | 成都德瑞斯可科技有限公司 | The automatic welding binder of expanded metal lath and welding procedure |
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| EP0179165A1 (en) * | 1984-10-25 | 1986-04-30 | Schäfer Werke GmbH | Welding machine for capacitor discharge welding |
| CN201239855Y (en) * | 2008-08-14 | 2009-05-20 | 武汉市博达自动焊接设备有限公司 | Energy storage welding machine special for stainless steel water pump vane |
| CN101913020A (en) * | 2010-07-09 | 2010-12-15 | 鞍山东方钢结构有限公司 | Steel meshwork automatic welding device and production technology thereof |
| CN202240126U (en) * | 2011-09-29 | 2012-05-30 | 昆山荣仕杰自动焊接设备有限公司 | High-power capacitance energy-storage type multi-point gantry row welding machine |
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2011
- 2011-09-29 CN CN2011102907946A patent/CN102380700A/en active Pending
Patent Citations (4)
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|---|---|---|---|---|
| EP0179165A1 (en) * | 1984-10-25 | 1986-04-30 | Schäfer Werke GmbH | Welding machine for capacitor discharge welding |
| CN201239855Y (en) * | 2008-08-14 | 2009-05-20 | 武汉市博达自动焊接设备有限公司 | Energy storage welding machine special for stainless steel water pump vane |
| CN101913020A (en) * | 2010-07-09 | 2010-12-15 | 鞍山东方钢结构有限公司 | Steel meshwork automatic welding device and production technology thereof |
| CN202240126U (en) * | 2011-09-29 | 2012-05-30 | 昆山荣仕杰自动焊接设备有限公司 | High-power capacitance energy-storage type multi-point gantry row welding machine |
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| 白少志: "小功率变压器的灵活应用", 《科技信息(科学教研)》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103358005A (en) * | 2012-03-27 | 2013-10-23 | 昆山荣仕杰自动焊接设备有限公司 | Energy-storage-type resistance welding machine special for freeze dryer shelf |
| CN102721284A (en) * | 2012-06-27 | 2012-10-10 | 中冶南方(武汉)威仕工业炉有限公司 | Trolley traction device |
| CN104842057A (en) * | 2015-05-29 | 2015-08-19 | 昆山市汇新焊接机械自动化科技有限公司 | 24-point welding machine for metal-plate goods shelves |
| CN106808076A (en) * | 2017-03-06 | 2017-06-09 | 成都德瑞斯可科技有限公司 | The automatic welding binder of expanded metal lath and welding procedure |
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Application publication date: 20120321 |