CN201120520Y

CN201120520Y - Air plasma cutting machine with compressed gas source

Info

Publication number: CN201120520Y
Application number: CNU2007200860130U
Authority: CN
Inventors: 陈启才
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-07-16
Filing date: 2007-07-16
Publication date: 2008-09-24
Anticipated expiration: 2017-07-16
Also published as: WO2009009933A1

Abstract

Disclosed is an air plasma cutter with a compressed air supply, which comprises a plasma generator, an air pump and an air storage tank, the plasma generator is fixed on a chassis provided with wheels, a damping floating raft is disposed at the left side of the plasma generator, the damping floating raft is connected with the chassis by an elastic body, and the air storage tank and the air pump are fixed on the damping floating raft in parallel. The air plasma cutter has advantages of compact structure, beautiful appearance, convenient and easy operation and high efficiency. The air plasma cutter can be used to deal with emergencies, and can also be widely used in the industrial production with strong mobility, such as the maintenance operation of ship and sea drilling platform.

Description

The air plasma cutter of band compressed gas source

Technical field

The utility model relates to a kind of cutting appliance, especially relates to a kind of air plasma cutter with compressed gas source.

Background technology

Air plasma cutter is a kind of novel thermal cutting equipment.Its principle is to produce plasma arc under the condition of high temperature, highfield, then through hot compression or magnetic compression, makes arc column current concentrated and produce high temperature and high velocity air.This high temperature, plasma arc flame stream at a high speed can impel the contact point of workpiece to melt fast, and slag is blown off this workpiece substrate and forms slot.Owing to need compressed air during CUT work, and compressed air is had certain requirement, require its flow big, pressure is at 4-5 atmospheric pressure, during therefore existing CUT cut workpiece, required compressed air provides by air compressor independently.

At present, the air compressor on the market mostly is universal air compressor, and its main feature is: vibration and noise are bigger, and the air accumulator volume is bigger, and generally all at 7.5 more than the atmospheric pressure, the scope of application is very wide for air pressure.When CUT is source of the gas with above-mentioned air compressor, though its air mass flow can satisfy the requirement of plasma cutting,, be not complementary with CUT owing to exist pressure differential, therefore could use after needing pressure-reducing valve is installed, so just cause the waste of resource.In addition, when the user utilizes the air plasma cut workpiece out of doors, need carry air plasma cutter and the bigger air compressor of volume simultaneously, it moves, transports very inconvenient, and operation the time needs to control simultaneously two machines again, thereby the quite trouble that operates also.

Summary of the invention

The utility model purpose provides a kind of air plasma cutter with compressed gas source.Need be equipped with independently air compressor to solve when existing CUT uses, consequently cause and carry inconvenience, manipulate technical problems such as inconvenience.

It is big that the utility model has also solved existing air compressor volume simultaneously, and vibration is big, noise is big, supply gas pressure and CUT problem such as do not match.

The utility model mainly solves above-mentioned technical problem by following technical proposals: it comprises plasma generator, air pump, air accumulator, described plasma generator is fixed on the chassis that is provided with wheel, be provided with the vibration damping buoyant raft in the plasma generator left side, this vibration damping buoyant raft is connected with the chassis by elastomer, and described air accumulator is fixed on the vibration damping buoyant raft side by side with air pump.

As preferably, described air accumulator is a pie, erects to place and also is close to air pump.

As preferably, also be provided with the housing that plasma generator, air pump, air accumulator all can be covered on the described chassis, on housing, be provided with control panel, this control panel is provided with the apparent control elements of plasma generator and air pump.

As preferably, also be provided with air cleaner on the described chassis, the air inlet of this air cleaner is connected with air accumulator by flexible pipe, and the gas outlet then is fixed on the control panel of shell.

As preferably, bottom, described chassis is provided with the brake lock near the place of wheel.

As preferably, described elastomer is a spring, and this spring top is welded with the Connection Block of band nut, and its bottom is welded with the pedestal in strap bolt hole.

As preferably, described elastomer is a rubber base, and this rubber base top embeds tapped metal-cored, and its bottom side embeds the metal pedestal that the strap bolt hole is arranged.

As preferably, described elastomer is an air bag, and this balloon ends all is fixed with the Connection Block of band screw rod, also is provided with charging connector on the surface of air bag.Further, be connected with soft air-guide pipe on the charging connector of above-mentioned each air bag, all soft air-guide pipes are parallel on the air guide house steward, and the total tube end of this air guide is provided with air valve and is fixed on the control panel.

Because during the normal air compressor operating, its air pump vibration is very violent, and produces ear-piercing noise.If normal air compressor and the direct combination of CUT are fixed together, when moving so, air pump in the air compressor can directly pass to CUT with vibration, so very easily causes electronic component in its circuit board to get loose and causes CUT to break down.Therefore, the utility model adopts vibration damping buoyant raft technology, with vibration source---air pump is placed on the rigidity buoyant raft, by flexibly connecting (promptly being connected) of buoyant raft and chassis by specific elastomer, can allow vibration force greatly decay, thereby guaranteed the safe in utilization of CUT thoroughly, reliably, greatly reduced the noise pollution of air pump simultaneously.

In addition, the air accumulator of traditional air compressor machine adopts cylindrical shape, though the air accumulator of this shape is withstand voltage big, for the source of the gas of CUT, belong to the waste on the performance, and its volume is big, is unfavorable for optimizing structure.For this reason, use the gas characteristics at CUT, the application that combines of air pump that the utility model is big with capacity and withstand voltage pie air accumulator moderate, that take up room little, allow this source of the gas possess little, the moderate pressure of volume like this, advantages such as air demand is big, thereby the optimum Match of real realization and CUT.

In sum, the utlity model has compact conformation, attractive in appearance, easy to operate easily, characteristics such as efficient height.Both can be used as and coped with contingencies and urgent the use, can be widely used in again mobile strong, in the demanding industrial production of device security, as the maintenance activity of vessel, offshore drilling platform etc.

Description of drawings

Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is described in further detail.

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is a perspective view of the present utility model;

Fig. 3 is the partial enlarged drawing at A shown in Figure 2 place;

Fig. 4 is the vertical view of structure shown in Figure 1;

Fig. 5 is that elastomer shown in Figure 1 is the structural representation of spring;

Fig. 6 is that elastomer shown in Figure 1 is the structural representation of rubber base;

Fig. 7 is that elastomer shown in Figure 1 is the structural representation of air bag;

Fig. 8 is the structural representation that vibration damping buoyant raft shown in Figure 1 adopts the air bag vibration damping.

The specific embodiment

Fig. 1 is a structural representation of the present utility model.This equipment mainly is made of plasma generator 9, air pump 6, air accumulator 2 etc.Wherein plasma generator 9 is fixed on the chassis that wheel 3 is housed, and 5 bottoms are provided with brake lock 4 (referring to Fig. 2) near the place of wheel 3 on the chassis, and this brake locks 4 can prevent that chassis 5 from sliding on smooth ground.

By Fig. 3 further as can be known, described brake lock 4 adopts lever structure, the front end of its fulcrum 4b is provided with a card post 4a, in order to cooperate brake lock 4, the wheel hub 3a edge of wheel 3 inboards is arranged with some bayonet sockets, up pull brake lock 4, the card post 4a of its front end may be stuck in any bayonet socket of wheel hub 3a edge, and wheel 3 is pinned.

Chassis 5 is provided with the housing 1 that above-mentioned plasma generator, air pump, air accumulator all can be covered, and is provided with control panel 12 at the front end of housing.As shown in Figure 2, the apparent control elements 14 of plasma generator and air pump is installed, as pressure dial plate, indicator lamp, power switch, various lead-out terminals etc. on this control panel 12.So not only attractive in appearance but also can handled easily, and can further reduce machine noise.In order to make structure more compact.Also be provided with air cleaner 11 on the chassis, the air inlet of this air cleaner 11 is connected with air accumulator 2 by

pressure hose

10, and 13 of gas outlets are fixed on the control panel 12 of shell.

Fig. 4 is the vertical view of the air plasma cutter of the utility model band compressed gas source.By this figure and in conjunction with Fig. 1 as can be known, plasma generator 9 left sides are provided with vibration damping buoyant raft 7, and this vibration damping buoyant raft 7 is rigid body (metallic plate, a metal frame etc.), is connected with chassis 5 by a plurality of elastomers 8.Air accumulator 2 is fixed on the vibration damping buoyant raft 7 side by side with air pump 6.Air pump 6 can select for use present commercially available capacity greater than 0.15m ³/ min, non-maintaining electric air pump; Described air accumulator 2 is pie, erects placement, and is close to air pump 6, can reduce the floor space on vibration damping buoyant raft 7 like this, thereby help dwindling overall volume of the present utility model.

For above-mentioned elastomer 8, the utility model can be realized by following several preferred implementations:

Fig. 5 is that elastomer is the structural representation of spring 8d.The top of this spring 8d is welded with the Connection Block 8c of band nut 8b, can screw in screw rod in the nut 8b, and be fixed on the vibration damping buoyant raft 7 by screw rod; Spring 8d bottom is welded with the pedestal 8e of strap bolt hole 8a, and this pedestal 8e can be by being bolted on the chassis.

Fig. 6 is that elastomer is the structural representation of rubber base 8d.This rubber base 8d top embeds the metal-cored 8c that band internal thread 8b is arranged (adding) when the rubber thermoforming, can screw in screw rod in its metal-cored 8c, and be fixed on the vibration damping buoyant raft 7 by this screw rod; Rubber base 8d bottom side embeds the metal pedestal 8e that strap bolt hole 8a is arranged, and this metal pedestal 8e can be by being bolted on the chassis.

Fig. 7 is that elastomer is the structural representation of air bag 8d.The two ends of this air bag 8d are fixed with the Connection Block 8c that is with screw rod 8b in modes such as splicing or heat seals, and its two ends screw rod 8b can pass the bolt hole on vibration damping buoyant raft 7 and the chassis 5 respectively and fix with it.Surface at air bag also is provided with charging connector 8f, so that fill at any time, exit.

In addition, as shown in Figure 8, above-mentioned air bag as elastomeric further application in, all be connected with soft air-guide pipe 15 on the charging connector 8f of all air bags, each soft air-guide pipe 15 is parallel on the air guide house steward 16, and this air guide house steward 16 end is provided with air valve 17 and is fixed on the control panel 12, because above-mentioned air bag 8d is by an Air Valve Control, and each air bag connects mutually, and the air pressure of all air bags can be consistent like this, and said structure also is convenient to whole inflation or venting simultaneously.Therefore as long as control air valve 17, just can regulate the air pressure of whole air bag 8d.

Because the damping property of vibration damping buoyant raft 7 and the elastic force of its elastomer 8 have confidential relation, the excessive or too small vibration damping buoyant raft effectiveness in vibration suppression that all can influence of elastomer 8 elastic force.In the present embodiment, because elastomer 8 adopts air bag 8d, its elastic force size is determined by its air pressure inside, therefore, adjusts air pressure, just can carry out adjustment initiatively to the damping property of vibration damping buoyant raft 7, as when 7 vibrations of vibration damping buoyant raft are big (causing) because of air bag elastic force is excessive, just can open air valve, emit the portion gas in the air bag, to reduce air bag 8d elastic force, the damping property of buoyant raft will be significantly improved this moment.

Certainly, the utility model is not limited to above concrete structure.As on the chassis, described vibration damping buoyant raft has the good vibration isolating effect under being arranged on air pump, air accumulator, and being arranged on has vibration isolating effect preferably too under the plasma generator.Therefore, this vibration damping buoyant raft belongs to protection domain of the present invention equally in locational conversion.

Claims

1. air plasma cutter with compressed gas source, comprise plasma generator, air pump, air accumulator, it is characterized in that being fixed on the chassis that is provided with wheel at described plasma generator, be provided with the vibration damping buoyant raft in the plasma generator left side, this vibration damping buoyant raft is connected with the chassis by elastomer, and described air accumulator is fixed on the vibration damping buoyant raft side by side with air pump.

2. the air plasma cutter of band compressed gas source according to claim 1 is characterized in that at described air accumulator be pie, erects placement and is close to air pump.

3. the air plasma cutter of band compressed gas source according to claim 1, it is characterized in that on described chassis, also being provided with the housing that plasma generator, air pump, air accumulator all can be covered, be provided with control panel on housing, this control panel is provided with the apparent control elements of plasma generator and air pump.

4. according to the air plasma cutter of claim 1 or 3 described band compressed gas sources, it is characterized in that on described chassis, also being provided with air cleaner, the air inlet of this air cleaner is connected with air accumulator by flexible pipe, and the gas outlet then is fixed on the control panel of shell.

5. the air plasma cutter of band compressed gas source according to claim 1 is characterized in that the place near wheel is provided with brake in bottom, described chassis.

6. the air plasma cutter of band compressed gas source according to claim 1 is characterized in that at described elastomer be spring, and this spring top is welded with the Connection Block of band nut, and its bottom is welded with the pedestal in strap bolt hole.

7. the air plasma cutter of band compressed gas source according to claim 1 is characterized in that at described elastomer be rubber base, and this rubber base top embeds tapped metal-cored, and its bottom side embeds the metal pedestal that the strap bolt hole is arranged.

8. the air plasma cutter of band compressed gas source according to claim 1 is characterized in that at described elastomer be air bag, and this balloon ends all is fixed with the Connection Block of band screw rod, is provided with charging connector in the centre of air bag.

9. the air plasma cutter of band compressed gas source according to claim 8, it is characterized in that on the charging connector of described air bag, being connected with soft air-guide pipe, all soft air-guide pipes are parallel on the air guide house steward, and the total tube end of this air guide is provided with air valve and is fixed on the control panel.