CN2357875Y - D. C.-impulse brush-plating and micropulse resistance welding dual-purpose machine - Google Patents
D. C.-impulse brush-plating and micropulse resistance welding dual-purpose machine Download PDFInfo
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- CN2357875Y CN2357875Y CN 98206840 CN98206840U CN2357875Y CN 2357875 Y CN2357875 Y CN 2357875Y CN 98206840 CN98206840 CN 98206840 CN 98206840 U CN98206840 U CN 98206840U CN 2357875 Y CN2357875 Y CN 2357875Y
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Abstract
The utility model relates to a direct current-impulse brush-plating and micro-pulse resistance welding dual-purpose machine, which is composed of a machine shell, an operating panel and an internal circuit device, wherein a circuit device comprises two main circuits and control circuits which are formed by forming a pulse mode at a low voltage end or forming a pulse mode at a high voltage end. The utility model is the maintenance equipment for maintaining the machine parts and the defect on the surface of a mould with multiple functions and multiple purposes, and the utility model can generate direct current electrical energy and controllable pulsed electrical energy. The electrical energy can be applied to the selective electroplating technology and the electrochemical machining technology, and can generate a plating layer of good quality; the electrical energy can be applied to spot welding for micro-pulse resistance, and can generate a spot welding repairing layer without workpiece damage and thermal distortion. The utility model has the advantages of high safety and convenient operation.
Description
The utility model relates to a kind of multi-functional, multiduty process of surface treatment equipment, particularly a kind ofly can produce process equipment direct current and electric energy controllable pulse, as this electric energy is applied to selective electroplating, technique of brush plating, can produce high-quality coating; And be applied to micropulse spot welding, can produce and not damage workpiece, the spot welding repair layer of no thermal deformation.
The metallic brush plating is a kind of electrochemistry coating technology that does not need coating bath, its basic principle is that the dielectric brush plating liquid with formulated places between insoluble anode and the negative electrode (being piece surface), under a kind of continuous output action of power-supply device that direct current or pulse electric energy be provided, make metal (or nonmetal) ion in the plating bath form the technical process of lining layer in cathode surface generation chemical deposition.
The maximum characteristics of metal brush plating are between negative electrode and the anode relative motion to be arranged, and (maximum can reach 500-600A/dm so allow to use higher current density
2), add the metal ion content height in the brush plating liquid, therefore plating speed is fast, brushing coating forms gradually by electrocrystallization in the topped areal extent of anode simultaneously, technology is flexible, thickness of coating is controlled easily, the coating surface polishing, and the piece surface after the brush plating does not generally need machining and can directly use.Because the metallic brush plating has above-mentioned advantage, so this technology is applied gradually.
Worker's moulds such as mould, forge hot pressing mold tool, die casting, cold-working drawing die are because its shape, moulding complexity or dimensional accuracy height, pattern complexity and cost is higher.From economic benefit and social benefit, variously have that damaged tool and mould will be done to repair, regeneration recovers to use to what produce, occur in the use.To high accuracy, heat-treatment repair of moulds principle generally is that the requirement repair member has high bond strength, does not simultaneously change the original bulk heat treatmet effect of tool and mould, thus the function of use that makes repair member near or reach level before the not damage.The applicant once developed a kind of " repair of moulds method and repairing machine ", and (application for a patent for invention number: 94108743.3) this device can be directly used in the surface local defective of patcher's mould, and workpiece need not heat-treated after repairing again, repair technology is simple, quick, economical, unique defective is that this apparatus function is more single, can only be used for the micropulse electric resistance welding.
The purpose of this utility model provides a kind of micropulse resistance spot welding that both can be used for, also can be used for metallic brush plating and as the power-supply device of brush plating, it has direct current-pulse brush plating and the dual-purpose machine of micropulse electric resistance welding that two kinds of functions are exported in direct current output and pulse again.This device can provide multiple effective reparation means at the damage of different machine components, a tractor serves several purposes, and good combination property, and safe in utilization, easy to operate.
The utility model is achieved in that and includes casing, guidance panel and internal circuit device; wherein circuit arrangement includes main circuit and the control circuit two parts formation that low-pressure end forms pulse mode; it is characterized in that: above-mentioned main circuit is made up of the power-supply filter that is linked in sequence, adjustable transformer, step-down transformer, rectifier filter, chopper power switch and output circuit, and above-mentioned control circuit then includes: brush plating-spot welding function switch and circuit, overload and overheating protection circuit, controllable pulse adjustment and parameter display circuit thereof.
Wherein the chopper type power switch is insulated gate bipolar transistor (IGBT) device of one group of string in output circuit.
Wherein output circuit includes output grafting device, output feeder and electrode.
Another kind of embodiment of the present utility model is achieved in that and includes casing, guidance panel and internal circuit device, wherein circuit arrangement includes main circuit and control circuit two parts that high-pressure side forms pulse mode, and it is characterized in that: above-mentioned main circuit includes: the power-supply filter that is linked in sequence, voltage regulating rectifier wave filter, pulse conversion circuit, pulse transformer, rectification circuit, filter circuit, direct current/impulse output circuit; Above-mentioned control circuit includes: brush plating～spot welding function conversion circuit and switch, overload and overheating protection circuit, controllable pulse parameter adjustment and display circuit thereof.
The utility model is a kind of multi-functional, multiduty surface damage maintenance of equipment, this device not only has application for a patent for invention " repair of moulds method and repairing machine " (application for a patent for invention number: the corresponding function of micropulse resistance spot weld 94108743.3), can export a kind of high energy, electric pulse in short-term, and this electric pulse put on the surface to be repaired of tool and mould with single or sequence mode, through cleaning, substrate surface to be repaired is coated with sheet, thread or powdery patching material.And under the high energy electric pulse effect, mend the trickle local generation high temperature of material and base material binding site, and making metal melting and produce metallurgical reaction, consequent composite repair layer bond strength meets or exceeds substrate intensity.Simultaneously and since this high energy electric pulse the utmost point short time (＜finish in 2ms), the atural beat treatment effect is played in same again cooling rapidly.So it is little that application the utility model can obtain the heat-affected zone,, the skin patching metal level of certain modifying function is arranged in conjunction with firmly.
Another kind of purposes of the present utility model is to use as the power-supply device of technique of brush plating.At this moment, this device has direct current output and two kinds of functions of pulse output, promptly when providing the conventional electric energy of direct current to export, and also changeable one-tenth pulse output function, pulse frequency scope that it is adjustable is 100HZ～2500HZ, adjustable duty cycle range is 0～60%.Need to prove that pulse brush plating is a kind of new technology that grows up on direct current brush plating basis, have under the same current density situation that it can take higher voltage to carry out brush plating with the direct current brush plating.And under higher over-voltage condition, will form fine and close coating tissue, quality of coating (comprising surface roughness, coating hardness, bond strength, cladding wearability etc.) is increased than the quality of coating of direct current brush plating.
In a word, the utility model is a kind of maintenance unit of more satisfactory metal tool and mould surface damage, this device can provide multiple effective reparation means to the difference damage of multiple tool and mould, machine components, and these technological means mostly are new technology greatly, and new technology has the advantage of a tractor serves several purposes, good combination property, in addition, this equipment is safe in utilization, and is simple to operate, is suitable for penetration and promotion and uses.
Further describe structure of the present utility model and feature below in conjunction with accompanying drawing.
Fig. 1 is the circuit block diagram of a kind of embodiment of the utility model (low-pressure end formation pulse mode).
Fig. 2 is the main circuit schematic diagram among a kind of embodiment of the utility model (low-pressure end formation pulse mode);
Fig. 3 is the theory diagram that control circuit is adjusted in a kind of embodiment of the utility model (low-pressure end formation pulse mode) pulse.
Fig. 4 is the embodiment circuit diagram of control circuit among Fig. 3.
Fig. 5 is the circuit block diagram of the another kind of embodiment of the utility model (high-pressure side formation pulse mode);
Fig. 6 is the main circuit schematic diagram among the another kind of embodiment of the utility model (high-pressure side formation pulse mode);
Fig. 7 is a control circuit theory diagram among the another kind of embodiment of the utility model (high-pressure side formation pulse mode).
Fig. 8 is a guidance panel schematic diagram of the present utility model.
The utility model includes casing, guidance panel and internal circuit device, wherein the circuit arrangement of a kind of embodiment includes main circuit and control circuit two parts that low-pressure end forms pulse mode and constitutes (referring to Fig. 1-Fig. 4), its schematic block circuit diagram is seen Fig. 1, wherein main circuit is by the power-supply filter 1 that is linked in sequence, adjustable transformer 2, step-down transformer 3, rectifier filter 4, chopper power switch 5 and dc output circuit circuit 6, impulse output circuit 8 is formed, the electrical schematic diagram of this main circuit is referring to shown in Figure 2, wherein chopper power switch 5 is one group of IGBT (insulated gate bipolar transistor) device that are serially connected in the output circuit, above-mentioned output circuit 6,8 include output plug connector, output feeder and electrode are arranged.Wherein control circuit then includes: control circuit 9, operation control handle 11, voltage indication 12 and frequency and pulsewidth indication 13 are adjusted in brush plating-spot welding change-over switch and circuit 10 thereof, overload and overheating protection circuit 7, pulse.The theory diagram that control circuit 9 is adjusted in above-mentioned pulse as shown in Figure 3, the 91st, pulse frequency control circuit, the 92nd, pulse duty factor control circuit, the 93rd, pulse-width modulation circuit control and output circuit, the 94th, optical coupling isolation circuit, the 95th, drive circuit.Fig. 4 then is an embodiment electrical schematic diagram of Fig. 3 control circuit.
The circuit working schematic diagram of this embodiment type of the utility model is (referring to Fig. 1, Fig. 2); Be input to adjustable transformer 2 (TT) by 220 volts of civil powers through power-supply filter 1, the peak value size of this adjustable transformer 2 (TT) control output voltage, the signal of adjustable transformer 2 (TT) output is input to step-down transformer 3 (GT), its effect is that the voltage transformation through pressure regulator 2 outputs is arrived suitable operating voltage, this magnitude of voltage can show on guidance panel 12, so that adjust.Voltage after the step-down is a direct current voltage again behind rectifier filter 4, the direct output of this voltage just is in direct current brush plating state; If this voltage exports 8 as pulse again behind chopper power switch 5, just can be in pulse brush plating state or micropulse spot welding state.This two states is controlled by brush plating-spot welding change-over switch 10, and pulse parameter is then shown by frequency and pulsewidth indication 13, so that adjust.The frequency of working pulse and pulsewidth are all regulated and control by operation control handle 11, and passages through which vital energy circulates reconstitutes the duty of whole control circuit 9 control chopper power switch 5, the parameter when reaching the required pulse state again.In addition, being provided with overload protects with 7 pairs of power-type devices of overheating protection circuit.
The difference of another kind of embodiment of the present utility model is that its circuit arrangement includes main circuit and control circuit two parts that high-pressure side forms pulse mode and constitutes (referring to Fig. 5～Fig. 7), its schematic block circuit diagram is seen Fig. 5, and wherein main circuit is made up of the power-supply filter 1 ' that is linked in sequence, voltage regulating rectifier wave filter 2 ', pulse conversion circuit 3 ', pulse transformer 4 ', rectification circuit 5 ', filter circuit 6 ' and dc output circuit 7 ' and impulse output circuit 8 ' institute.The electrical schematic diagram of this main circuit is referring to shown in Figure 6.Wherein pulse conversion circuit 3 ' is to be made of power-type device IGBT and high frequency transformer.Above-mentioned output circuit 7 ' and 8 ' includes: output patches device, output feeder and electrode.Wherein control circuit then includes: control circuit 9 ', frequency and pulsewidth indication 10 ', overload and overheating protection circuit 11 ', brush plating-spot welding change-over switch and circuit 12 ' thereof, operation control handle 14 ' and voltage indication 13 ' are adjusted in pulse.The theory diagram that control circuit 9 ' is adjusted in above-mentioned pulse as shown in Figure 7,91 ' is the pulse frequency control circuit, the 92nd, the pulse duty factor circuit, the 93rd, pulse-width modulation circuit control and output, 94 ' is optical coupling isolation circuit, 95 ' is drive circuit.As can be seen, theory diagram and Fig. 3 of embodiment pulse adjustment control circuit shown in Figure 7 are in full accord.So above-mentioned low-pressure end shown in Figure 4 forms the electrical schematic diagram of an embodiment of control circuit of pulse mode, also form another embodiment of pulse mode at high-pressure side applicable to the utility model.
The circuit working principle of another embodiment of the present utility model is (referring to Fig. 5, Fig. 6): 220 volts of electric mains are input to voltage regulating rectifier wave filter 2 ' through power-supply filter 1 ', peak value size with the control output voltage, this magnitude of voltage can show (voltage indication 13 ') on guidance panel, so that adjust.This voltage converts pulse voltage to through pulse translation circuit 3 ' and pulse transformer 4 ', behind this Pulse Electric pressuring meridian rectification circuit 5 ', as by directly outwards output of output circuit 8 ', just is in pulse brush plating or impulsed spot welding state; If the pulse voltage of rectification circuit 5 ' output, wave circuit 6 ' back just is in direct current brush plating state by dc output circuit 7 ' output after filtration again.The pulsed operation parameter is adjusted control circuit 9 ' by pulse and is controlled, and shows its frequency and pulsewidth by pulse parameter indication 10 ', so that adjust.The pulsed operation parameter is adjusted by operation control handle 14 ', realizes required pulsed operation state by control circuit 9 ' control impuls translation circuit 3 ' again.The function conversion of pulse brush plating and spot welding realizes that by change-over switch 12 ' overload is protected complete machine by control circuit 9 ' with overheating protection circuit 11 '.
Be installed on the guidance panel of the present utility model shown in Figure 8: power switch 31, brush plating one electric resistance welding change-over switch 32, direct current, pulse switch 33, voltage regulator 34, voltmeter 35, ammeter 36, frequency meter 37, dutycycle show 38, duty cycle adjustment 39, frequency adjustment 40, put that digital display shows 41, puts several dial-up dishes 42, nulling button 43, reset button 44, put several buttons 45 and output wiring terminal 46.
Claims (6)
1; a kind of direct current-pulse brush plating and the dual-purpose machine of micropulse electric resistance welding; include casing; guidance panel and internal circuit device; wherein circuit arrangement includes main circuit and the control circuit two parts formation that low-pressure end forms pulse mode; it is characterized in that: above-mentioned main circuit is by the power-supply filter that is linked in sequence; adjustable transformer; step-down transformer; rectifier filter; chopper power switch and output circuit are formed, and above-mentioned control circuit then includes: brush plating-spot welding function switch and circuit thereof; overload and overheating protection circuit; controllable pulse is adjusted and the parameter display circuit.
2, direct current-pulse brush plating as claimed in claim 1 and the dual-purpose machine of micropulse electric resistance welding is characterized in that: wherein the chopper type power switch is the insulated gate bipolar transistor type power device of one group of string in output circuit.
3, direct current-pulse brush plating as claimed in claim 1 and the dual-purpose machine of micropulse electric resistance welding is characterized in that: wherein output circuit includes output grafting device, output feeder and electrode.
4, a kind of direct current-pulse brush plating and the dual-purpose machine of micropulse electric resistance welding, include casing, guidance panel and internal circuit device, wherein circuit arrangement includes main circuit and control circuit two parts of high-pressure side pulse shaping mode, and it is characterized in that: above-mentioned main circuit includes: the power-supply filter that is linked in sequence, voltage regulating rectifier wave filter, pulse conversion circuit, pulse transformer, rectification circuit, filter circuit, direct current/impulse output circuit; Above-mentioned control circuit includes: brush plating-spot welding function conversion circuit and switch, overload and overheating protection circuit, controllable pulse parameter adjustment and display circuit thereof.
5, direct current-pulse brush plating as claimed in claim 4 and the dual-purpose machine of micropulse electric resistance welding is characterized in that: wherein pulse conversion circuit is to be made of insulated gate bipolar transistor type power-type device and high frequency transformer.
6, direct current-pulse brush plating as claimed in claim 4 and the dual-purpose machine of micropulse electric resistance welding is characterized in that: wherein output circuit includes output grafting device, output feeder and electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98206840 CN2357875Y (en) | 1998-07-15 | 1998-07-15 | D. C.-impulse brush-plating and micropulse resistance welding dual-purpose machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98206840 CN2357875Y (en) | 1998-07-15 | 1998-07-15 | D. C.-impulse brush-plating and micropulse resistance welding dual-purpose machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2357875Y true CN2357875Y (en) | 2000-01-12 |
Family
ID=33962916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98206840 Expired - Fee Related CN2357875Y (en) | 1998-07-15 | 1998-07-15 | D. C.-impulse brush-plating and micropulse resistance welding dual-purpose machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2357875Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102858486A (en) * | 2009-08-14 | 2013-01-02 | 安赛乐米塔尔研究与发展有限责任公司 | Methods and systems for resistance spot welding using direct current micro pulses |
-
1998
- 1998-07-15 CN CN 98206840 patent/CN2357875Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102858486A (en) * | 2009-08-14 | 2013-01-02 | 安赛乐米塔尔研究与发展有限责任公司 | Methods and systems for resistance spot welding using direct current micro pulses |
| CN102858486B (en) * | 2009-08-14 | 2016-01-13 | 安赛乐米塔尔研究与发展有限责任公司 | For using the method and system of the resistance spot welding of direct current micropulse |
| US10071436B2 (en) | 2009-08-14 | 2018-09-11 | ArcelorMittal Investigation y Desarrollo, S.L. | Methods and systems for resistance spot welding using direct current micro pulses |
| EP2464490B1 (en) * | 2009-08-14 | 2019-07-17 | ArcelorMittal | Methods and systems for resistance spot welding using direct current micro pulses |
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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 | ||
| 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 |