CN2182704Y - Multi-function hydrogen-oxygen welding-cutting machine - Google Patents

Abstract

The utility model discloses an assembly of an electric welding device and a gas welding device, wherein, particularly the gas welding device is a hydrogen-oxygen welding-cutting machine. The utility model has the advantages of safety, stable gas production rate, long service life, electrogas welding, suitable use in cold climate and good performance. The utility model is characterized in that the input terminal of a rectifier 18 is connected in parallel with a welding transformer 16 and a welding regulator 17; both an electrolytic tank 2 and an explosion proof cap adopts acid and alkali resistant nonmetallic material to increase the explosion induction system of the explosion proof cap in order to realize a three-stage protection; the lowest point of the electrolytic tank 2 is provided with a liquid discharge hole to prevent electrolyte from freezing and damaging the machine.

Description

Multi-function hydrogen-oxygen welding-cutting machine

The utility model relates to the combination of a kind of electric welding and gas welding and cutting device, and gas welding and cutting device especially wherein is a kind of oxyhydrogen welding and cutting machine.

Utilize the source of the gas of the oxyhydrogen of water electrolysis generation as gas welding cutter; this oxyhydrogen welding cut machine is existing multinomial application in Chinese patent; CN89209060; CN90104692.9; CN91214913.2; CN92214284.X etc.; wherein CN90104692.2 is the most typical; it proposes a kind of by rectifier; two electrolytic cells; cooler; gas tank; the liquid feed channel; the hydrogen-oxygen source welding-cutting machine that rupture disk and welding torch constitute; but the shortcoming of this welding machine is: function singleness; not being suitable for not only needs gas welding but also need the place of electric welding to use; when welding machine is shut down; the machine electrolyte inside can't be discharged; under cold environment, easily produce and freeze the machine damage; overvoltage protection is taked the two-stage protection; the pressure release of breaking of rupture disk on gas tank and the combustion-supporting jar cap; complete machine is but still in work; the security of this protection is undesirable, and the material in liquid feed channel and the electrolytic cell is selected incompatibility highly basic liquid, and above-mentioned shortcoming haves much room for improvement.

The utility model proposes new improvement project at above-mentioned deficiency, well designed, and it is better to form a kind of security, and gas production is stable, long working life, function is many, is suitable for the multifunctional oxyhydrogen welding-cutting machine that north cold area uses.

Following mode realizes above-mentioned purpose preferably:

The utility model includes the silicon diode rectifier 18 that belongs to bridge rectifier, with rectifier 18 inputs and be connected to welding transformer 16 and welding regulator 17, the multi-disc plate electrode be combined into two groups of electrolytic cells 2, dielectric film between the unit plate electrode of electrolytic cell adopts polytetrafluoroethylene (PTFE) or graphite resin hard board, the bottom of electrolytic tank lowest part respectively is provided with manual leakage opening, liquid gas tank 1 input electrolyte of the hydrogen-oxygen mixed steam copolymerization of electrolyte and electrolytic cell output is to the water pump 5 of the input serial connection of liquid gas tank 1, water filter 6, the condenser 13 of the cold gas liquid mixture of installing between electrolytic cell 2 outputs and the liquid gas tank, condenser 13 is airs that a kind of tubular type has a plurality of heat radiation wings, it is the convection current source of the gas that there is fan on the next door, be connected in the moisture trap 3 of liquid gas tank gas output end, also comprise double hose welding torch 19, one tunnel tempered preventer 8 wherein, connect the hydrogen and oxygen mixture that has removed steam, one tunnel tempered preventer 20 connects atomizer jar 4, the output of atomizer jar contains the scaling powder of atomized fuel, liquid gas storage tank and atomizer jar all are equipped with the nonmetal burst disk of nonmetal anti-highly basic on cover, be connected in above-mentioned composition in addition and be used for control and regulation, the controller 9 of vapour road pressure, Pressure gauge 10, magnetic valve 11, the time relay 12, protector 14, electric controller 15, and acoustic control or microswitch are housed outside burst disk, response burst disk overvoltage signal cuts off electrolysis power with the work of control safety device.

The described improvement of such scheme has the following advantages:

(1). have the electric welding function, can satisfy electric vapor phase soldering occasion of needs all;

(2). the electrolytic cell sealing improves, and does not have highly basic to fold, and electrolytic cell weight reduces, outward appearance U.S., gas production is stable, and fault rate reduces;

(3). the manual leakage opening electrolyte of can giving out light, do not freeze machine and damage, be applicable to that cold northern area uses;

(4). burst disk is difficult for not produced misoperation by alkali corrosion, damage, burst disk;

(5). after the burst disk overvoltage is broken, directly cut off electrolyzer power source, play three-level protective, device work is safer.

Accompanying drawing 1 is a fundamental diagram;

Accompanying drawing 2 is the general layout front view;

Accompanying drawing 3 is the side view of Fig. 2;

Accompanying drawing 4 is an electrical schematic diagram.

Disclose a kind of embodiment in conjunction with the accompanying drawings, the technical scheme details be described in further detail:

Piece mark in the accompanying drawing 1 is partly illustrated in technical scheme.

Accompanying drawing 2 is after removing shell, each arrangements of components situation, divide three grades of layouts, orlop is two electrolytic cells arranged side by side 23, electrolytic cell 23 minimum points respectively have a tapping plug screw 22, also has a water-separating gas filter 24, one magnetic valve 21 is arranged at the water-separating gas filter bottom, magnetic valve 21 is subjected to the time relay 25 controls, regularly discharge the water-separating gas filter liquid collecting, two layers are provided with water filter 26, pump 27 and welding transformer 28, and radiator 37 and fan 38, two pressurized tanks of vertical installation between two layers three layers, be liquid gas tank 30 and oil sprayer jar 29, two pressurized tank loam cakes respectively have a burst disk 33, adopt the alkaline-resisting material of polytetrafluoroethylene (PTFE), the superiors arrange various electric controling elements, comprise microswitch 31, pressure switch 32, return and end valve 34, commutation diode 35, electric installing plate 36, at the interface that connects welding torch two flash-back arrestors 39 are arranged, accompanying drawing 4 provides electrical schematic diagram, and wherein T is a welding transformer, Z is a rectifier, ZJ is an auxiliary reclay, DB is an electromagnetic pump, D is a magnetic valve, CJ is a relay, DJC is an electrolytic cell, SJ is the time relay, RJ is a temperature controller.

Claims (2)

1, a kind of multifunctional oxyhydrogen welding-cutting machine, comprise: the silicon diode rectifier (18) that belongs to bridge rectifier, two groups of electrolytic cells (2) that the multi-disc plate electrode is combined into, the liquid gas tank (1) of the hydrogen-oxygen mixed steam copolymerization of electrolyte and electrolytic cell output, the water pump (5) that output electrolyte is connected in series to the intake line of liquid gas tank, water filter (6), the condenser (13) of cold gas liquid mixture between electrolytic cell (2) output and the liquid gas tank, be connected in the moisture trap (3) of liquid gas tank gas output end, removed the hydrogen and oxygen mixture one path flash-back arrestor (8) of alkaline water steam, to weldering (cutting) torch (19), another road enters atomizer 4, formation contains the scaling powder of atomized fuel, pressure controller (9) to above-mentioned gas-liquid pipeline control and adjusting, Pressure gauge (10), magnetic valve (11), the time relay (12), protector (14), electric controller (15), it is characterized in that: it is formed and also to comprise and rectifier (18) input and the welding transformer (16) that connects, and electric welding regulating system (17), dielectric film is polytetrafluoroethylene (PTFE) or graphite resin hard board between described electrolytic cell (2) flat board, described bottom of electrolytic tank respectively is provided with manual leakage opening, liquid gas tank (1) and atomizer tank body upper end cover burst disk are corrosion-resistant non-metal plate, burst disk is equipped with the sound or microswitch outward, and response burst disk overvoltage signal is with control security system (14) work;

2, multifunctional oxyhydrogen welding-cutting machine according to claim 1 is characterized in that it is the convection current source of the gas that condenser (13) has fan (38) for the air cooling that is added with a plurality of heat radiation wings or condenser are other.

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