CN202607047U - Punching type welding apparatus having intermediate frequency invertor - Google Patents
Punching type welding apparatus having intermediate frequency invertor Download PDFInfo
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- CN202607047U CN202607047U CN 201120447005 CN201120447005U CN202607047U CN 202607047 U CN202607047 U CN 202607047U CN 201120447005 CN201120447005 CN 201120447005 CN 201120447005 U CN201120447005 U CN 201120447005U CN 202607047 U CN202607047 U CN 202607047U
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Abstract
The utility model discloses a punching type welding apparatus having an intermediate frequency invertor. The punching type welding apparatus comprises base seats, a clamp assembly, welding electrodes, and an intermediate frequency invertor, wherein the clamp assembly is rotatably mounted on the base seat to position and tightly clamp work pieces to be welded, an input end of the intermediate frequency invertor is suitable to be connected with a power frequency power source input from the power grid, and an output end of the intermediate frequency invertor is connected with the welding electrodes to supply intermediate frequency voltage and/or intermediate frequency currents for the welding electrodes. Therefore the punching type welding apparatus is characterized by realized accurate control and adjustment of welding parameters through frequency conversion technology, improved power source utilization efficiency of welding operation (the energy consumption of the punching type welding apparatus is at least 30% less than that of a conventional alternating current welding machine), and improved stability and consistency of the welding quality.
Description
Technical field
The utility model relates to welding technology field, particularly relates to a kind of punching type welding equipment with the medium frequency inverter power supply.
Background technology
In such as the modern industry of automobile etc., use a lot of sheet metal components.These sheet metal components form through welding a bit, and some need weld together with other sheet metal component.Described welding normally adopts electric network source directly welding circuit to be supplied power at present, exists power utilization efficient to hang down more problem, and is difficult to control welding parameter, and welding quality unstability, uniformity are poor.
Therefore, urgent hope has a kind of new punching type welding equipment to overcome or alleviates above-mentioned shortcoming at least.
The utility model content
The purpose of the utility model provides a kind of punching type welding equipment that has the medium frequency inverter power supply and improves the power utilization efficient of welding, and improves the stability and the uniformity of welding quality.
For realizing above-mentioned purpose, the utility model provides a kind of punching type welding equipment, and said punching type welding equipment comprises: pedestal; The anchor clamps assembly, it is installed on the said pedestal with the mode that can turn round, so that workpiece to be welded is positioned and clamps; Welding electrode; The medium frequency inverter power supply; The input port of said medium frequency inverter power supply is suitable for being connected with the power frequency supply of electrical network input; The output port of said medium frequency inverter power supply is connected with said welding electrode, thereby is used for to said welding electrode supply voltage of intermediate frequency and/or electric current of intermediate frequency.
Thereby can carry out that accurate control and adjustment through the converter technique welding parameters, and then improve the power utilization efficient (saving energy consumption more than 30%) of welding, and improve the stability and the uniformity of welding quality than common AC welding set.
Preferably, the supply frequency of said medium frequency inverter power supply output is 1000Hz.The inventor finds, selects this kind IF-FRE for use, can obtain performance preferably aspect energy-conservation, weight of equipment and the volume.
Preferably, the quantity of the welding electrode that said punching type welding equipment is included is at least two pairs, and the quantity of the included medium frequency inverter power supply of said punching type welding equipment is identical with the logarithm of welding electrode.More preferably, the quantity of the welding electrode that said punching type welding equipment is included is four pairs, and the quantity of the included medium frequency inverter power supply of said punching type welding equipment is four.Like this, a kind of multiple spot punching type welding equipment that has the medium frequency inverter power supply is provided.
Preferably, said punching type welding equipment further comprises the welding electrode position detecting device.
Preferably, said welding electrode position detecting device is hard-wired near switch with respect to said pedestal.
Preferably, said punching type welding equipment further comprises the PLC control system that is connected with anchor clamps assembly, welding electrode and medium frequency inverter power supply.
Description of drawings
Fig. 1 is the side view according to the punching type welding equipment of the utility model one preferred embodiment.
Fig. 2 is the front view of punching type welding equipment shown in Figure 1.
Fig. 3 is according to the schematic workflow diagram of the punching type welding equipment of the utility model one embodiment.
Fig. 4 is the schematic block diagram according to the medium frequency inverter power supply in the punching type welding equipment of the utility model one embodiment.
The specific embodiment
Punching type welding equipment according to the utility model one embodiment comprises: pedestal (11) (12); Anchor clamps assembly (2), it is installed on the said pedestal (12) with the mode that can turn round, so that workpiece to be welded is positioned and clamps; Welding electrode (31) (32); Medium frequency inverter power supply (4); The input port of said medium frequency inverter power supply (4) is suitable for being connected with the power frequency supply of electrical network input; The output port of said medium frequency inverter power supply (4) is connected with said welding electrode (31) (32), thereby is used for to said welding electrode (31) (32) supply voltage of intermediate frequency and/or electric current of intermediate frequency.
Thereby can carry out that accurate control and adjustment through the converter technique welding parameters, and then improve the power utilization efficient (saving energy consumption more than 30%) of welding, and improve the stability and the uniformity of welding quality than common AC welding set.
The supply frequency of said medium frequency inverter power supply (4) output can be selected any IF-FRE.But be preferably 1000Hz.When actual tests, find, select this kind IF-FRE for use, can aspect energy-conservation, weight of equipment and volume, obtain performance preferably.
The quantity of the welding electrode (31) (32) that said punching type welding equipment is included is two pairs or how right, and the quantity of the included medium frequency inverter power supply (4) of said punching type welding equipment is identical with the logarithm of welding electrode (31) (32).More preferably, the quantity of the welding electrode (31) (32) that said punching type welding equipment is included is four pairs, and the quantity of the included medium frequency inverter power supply (4) of said punching type welding equipment is four.Like this, a kind of multiple spot punching type welding equipment that has medium frequency inverter power supply (4) is provided.
Said punching type welding equipment further comprises welding electrode position detecting device (5).In one embodiment, said welding electrode position detecting device (5) is hard-wired near switch with respect to said pedestal (12).
Said punching type welding equipment may further include the PLC control system (6) that is connected with anchor clamps assembly (2), welding electrode (31) (32) and medium frequency inverter power supply (31) (32).To carry out the automatic or semiautomatic control of welding operation.
The utility model one embodiment the concrete structure of punching type welding equipment referring to Fig. 1-Fig. 2.Fig. 1 is the side view according to the punching type welding equipment of the utility model one preferred embodiment.Fig. 2 is the front view of punching type welding equipment shown in Figure 1.Fig. 3 is the schematic workflow diagram according to the punching type welding equipment of another embodiment of the utility model.Fig. 4 is the schematic block diagram of the medium frequency inverter power supply in the punching type welding equipment of this embodiment.The technical scheme of the welding equipment of this embodiment is following:
Overall conception: be used for auto parts panel beating Combination Welding.Adopt a welding of unit cylinder, four inversion resistance welded power supplys, part is respectively charged into positioning clamping fixture, realizes No. one time clamping, and once spot welding is accomplished in welding.Except that artificial loading and unloading, other action is accomplished by PLC automatically.
Principle: adopt the high power welding power supply, inverse control system starts enabling signal by the welding starting switch to controller; Systems control division divides by predefined program, exports air valve actuating signal and welding signal successively and gives corresponding magnetic valve and the trigger element carried out, its rear electromagnetic valve action; At the effect bottom electrode workpiece pressing of cylinder, the SCR control utmost point is triggered, the major loop conducting; Resistance weldering transformer, electrode, workpiece constitute the closed-loop path, accomplish one time weld cycle.Wherein, systems control division divides to be controlled entire work process automatically, by Programmable Logic Controller, auxiliary reclay, operating case, magnetic valve, form near switch etc.The welding control section is controlled welding process, is made up of intermediate frequency controller of spot welder, welding transformer, weld cylinder and electrode.
Characteristics: simple to operate, machine has automatic recognition function to the program of every sleeve clamp; Parameter is set simple, and the preservation of can classifying of the parameter of each product, need not reset.
The principle of medium frequency inverter can be referring to Fig. 2.For example, the net piezoelectricity stream rectifying and wave-filtering with 50HZ converts intermediate frequency (1000HZ) alternating current to through transistor or IGBT switch, then rectifying and wave-filtering output bonding power.Workflow diagram is seen Fig. 3.The advantage that the medium frequency inverter technology is brought: energy-efficient; Volume in light weight is little; Its dynamic characteristic and arc-welding performance are relatively good; Governing speed is fast, and all parameters are stepless adjustable; Available microcomputer or single knob controlling are regulated.For example, through weld power energy consumption analysis and calculating, the medium frequency inverter welding machine is saved energy consumption more than 30% than common AC welding set.
The punching type welding equipment of the utility model can also have following advantage: alleviate working strength of workers, improved operating speed; The assurance ability of improving the quality of products for example, adopts the CPK value of the product of prior art to have only 0.6, and the medium frequency inverter formula welding machine of employing the utility model, the CPK of product is greater than 1.33.
It is pointed out that the above is merely the preferred embodiment of the utility model, is not the protection domain that is used for limiting the utility model; The protection domain of the utility model is limited the claim in claims, and every equivalence variation of doing according to utility model and modification, all within the protection domain of the utility model patent.
Claims (7)
1. punching type welding equipment with the medium frequency inverter power supply comprises:
Pedestal;
The anchor clamps assembly, it is installed on the said pedestal with the mode that can turn round, so that workpiece to be welded is positioned and clamps;
Welding electrode;
The medium frequency inverter power supply; The input port of said medium frequency inverter power supply is suitable for being connected with the power frequency supply of electrical network input; The output port of said medium frequency inverter power supply is connected with said welding electrode, thereby is used for to said welding electrode supply voltage of intermediate frequency and/or electric current of intermediate frequency.
2. punching type welding equipment as claimed in claim 1 is characterized in that, the supply frequency of said medium frequency inverter power supply output is 1000Hz.
3. punching type welding equipment as claimed in claim 1; It is characterized in that; The quantity of the welding electrode that said punching type welding equipment is included is at least two pairs, and the quantity of the included medium frequency inverter power supply of said punching type welding equipment is identical with the logarithm of welding electrode.
4. punching type welding equipment as claimed in claim 1 is characterized in that, the quantity of the welding electrode that said punching type welding equipment is included is four pairs, and the quantity of the included medium frequency inverter power supply of said punching type welding equipment is four.
5. punching type welding equipment as claimed in claim 1 is characterized in that, said punching type welding equipment further comprises the welding electrode position detecting device.
6. punching type welding equipment as claimed in claim 5 is characterized in that, said welding electrode position detecting device is hard-wired near switch with respect to said pedestal.
7. like claim 4 or 5 described punching type welding equipments, it is characterized in that said punching type welding equipment further comprises the PLC control system that is connected with anchor clamps assembly, welding electrode and medium frequency inverter power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120447005 CN202607047U (en) | 2011-05-10 | 2011-11-01 | Punching type welding apparatus having intermediate frequency invertor |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120147022.2 | 2011-05-10 | ||
| CN201120147022 | 2011-05-10 | ||
| CN 201120447005 CN202607047U (en) | 2011-05-10 | 2011-11-01 | Punching type welding apparatus having intermediate frequency invertor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202607047U true CN202607047U (en) | 2012-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120447005 Expired - Fee Related CN202607047U (en) | 2011-05-10 | 2011-11-01 | Punching type welding apparatus having intermediate frequency invertor |
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| CN (1) | CN202607047U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192164A (en) * | 2013-04-28 | 2013-07-10 | 长城汽车股份有限公司 | Connecting device for automatically connecting and disconnecting welding circuit |
| CN109317804A (en) * | 2018-12-07 | 2019-02-12 | 中正智控（江苏）智能科技有限公司 | In conjunction with the medium-frequency inverting resistance welding machine control device and control method of PLC |
-
2011
- 2011-11-01 CN CN 201120447005 patent/CN202607047U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192164A (en) * | 2013-04-28 | 2013-07-10 | 长城汽车股份有限公司 | Connecting device for automatically connecting and disconnecting welding circuit |
| CN103192164B (en) * | 2013-04-28 | 2016-02-24 | 长城汽车股份有限公司 | The connection device of the automatic connecting and disconnecting of welding circuit |
| CN109317804A (en) * | 2018-12-07 | 2019-02-12 | 中正智控（江苏）智能科技有限公司 | In conjunction with the medium-frequency inverting resistance welding machine control device and control method of PLC |
| CN109317804B (en) * | 2018-12-07 | 2023-09-26 | 中正智控（江苏）智能科技有限公司 | Control device and control method for medium-frequency inverter resistance welder combined with PLC |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20161101 |
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| CF01 | Termination of patent right due to non-payment of annual fee |