CN106068680A - The equipment that the parts of the plasma arc torch of liquid cooling are sealed and fasten and the torch design of improvement - Google Patents
The equipment that the parts of the plasma arc torch of liquid cooling are sealed and fasten and the torch design of improvement Download PDFInfo
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- CN106068680A CN106068680A CN201580011818.6A CN201580011818A CN106068680A CN 106068680 A CN106068680 A CN 106068680A CN 201580011818 A CN201580011818 A CN 201580011818A CN 106068680 A CN106068680 A CN 106068680A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/28—Cooling arrangements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3421—Transferred arc or pilot arc mode
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3436—Hollow cathodes with internal coolant flow
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- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Plasma Technology (AREA)
- Arc Welding In General (AREA)
Abstract
A kind of plasma arc torch (100,400) includes negative electrode adaptor body (501), and this negative electrode adaptor body has at least two sealant passage with multiple sealant rings.This welding torch (100,400) also includes cathodic body (505), and this cathodic body has at least two sealant passage with multiple sealant rings.This welding torch (100,400) farther includes arc maintenance adapter (509), and this arc maintenance adapter has at least two sealant passage with multiple sealant rings.This welding torch (100,400) rear separator (513 is included extraly, 513'), this rear separator includes at least two sealant passage with multiple sealant rings, these sealants engagement of loops anode body (519) and being spaced apart from each other with a distance, this distance this rear separator (513,513') total length 2 to percent 50 percent scope in.This rear separator (513,513') also include at least two sealant passage with multiple sealant rings, these sealants engagement of loops ring separator (521) and being spaced apart from each other with a distance, this distance this rear separator (513,513') total length 2 to percent 50 percent scope in.
Description
This application claims that, in the priority of provisional application 61/949,573 that on March 7th, 2014 submits to, this provisional application is led to
Cross quote combine in full with it here, and the application be originally the U.S. Patent Application No. 13/956 submitted on July 31st, 2013,
The part continuation application of 179 and require its priority, whole disclosures of this application are combined in this by quoting in full with it.
Invention field
The present invention relates to plasma arc torch according to claim 1.Meet assembly of the invention, system and
Method relates to cutting, and more particularly relates to for the parts of the plasma arc torch that liquid cools down carrying out alignment with tight
Solid the torch design of device, system and method and improvement.
Technical background
In many cutting operations, employ plasma arc torch.These welding torches work at very high temperatures, this
Many parts of these welding torches may be damaged.So, some welding torches use liquid cooling so that heat is communicated off some cuttings
Torch component.Cooling liquid passes multiple different fluid chamber etc..But, for these chambers and the existence of passage and demand
Mean that the alignment of some parts to welding torch assembly is probably difficulty, especially when changing parts.When installing alignment not
Time good, cooling performance may be negatively affected, and therefore may greatly reduce the use longevity of welding torch and torch component
Life.Some welding torches add the multiple different steady component extended in cooling fluid path the most on some of the components, so
And, these steady components may interfere with fluid flowing and therefore endanger the cooling capacity of welding torch assembly.Further, existing
The configuration that welding torch has is not enough to the problem solving coolant leakage or spilling to prevent coolant contact critical component or leakage
Go out welding torch.
By this method compared with the embodiments of the invention illustrated referring to the drawings in the remainder of the application, often
Rule, tradition and the further limitation of method proposed and shortcoming will become bright for those skilled in the art
Aobvious.
Explanation
In order to prevent coolant contact critical component or leak out welding torch and further limit and shortcoming to overcome,
Describe plasma arc torch according to claim 1.Preferred embodiment is the theme of dependent claims.The present invention shows
Example embodiment is a kind of arc torch assembly or sub-component, and this arc torch assembly or sub-component have replacing and the residence of improvement
Middle characteristic, the concrete property that wherein some parts of torch head have improves the multiple different operation of parts, use and can be again
Replaceability.The further embodiment of the present invention also has the leakage-proof structure of enhancing and parts to prevent coolant from leaking out weldering
Torch.
In another exemplary embodiment, plasma arc torch includes negative electrode adaptor body, this negative electrode adapter
Body has at least two the first sealant passage on the outer surface of the first end being formed on this negative electrode adaptor body
To receive at least two the first sealant ring accordingly.This at least two the first sealant passage is spaced with the first distance
Open, this first distance this negative electrode adaptor body total length 2 to percent 90 percent scope in.This welding torch also wraps
Including the cathodic body on the second end being coupled to this negative electrode adaptor body, wherein this cathodic body has and is formed on this
At least two the second sealant passage on the outer surface of cathodic body is to receive at least two the second sealant ring accordingly.Should
At least two the second sealant passage is spaced apart from each other with second distance, this second distance this cathodic body total length hundred
In the scope of/2 to percent 50.This welding torch farther includes arc maintenance adapter, and this arc maintenance adapter has and is formed on this
At least two the 3rd sealant passage on the outer surface of arc maintenance adapter is to receive at least two the 3rd sealant ring accordingly.
This at least two the 3rd sealant passage is spaced apart from each other with the 3rd distance, and the 3rd distance is at the total length of this arc maintenance adapter
2 to percent 90 percent scope in.This welding torch includes rear separator extraly, this rear separator by this cathodic body with
Anode body separates.This rear separator includes at least two the 4th sealant being formed on the outer surface of this rear separator
Passage is to receive at least two the 4th sealant ring accordingly.This at least two the 4th sealant ring and the interior table of this anode body
Face engages, and this at least two the 4th sealant passage is spaced apart from each other with the 4th distance, and the 4th distance is in this rear separation
In the scope of 2 to percent 50 the percent of the total length of device.This rear separator also includes being formed on outside this rear separator
At least two the 5th sealant passage on surface is to receive at least two the 5th sealant ring accordingly.This at least two the 5th
Sealant ring engages with the inner surface of ring separator, and this at least two the 5th sealant passage is spaced with the 5th distance
Open, the 5th distance this rear separator total length 2 to percent 50 percent scope in.
Brief Description Of Drawings
By the exemplary embodiment of the present invention is described in detail with reference to the accompanying drawings, above-mentioned and/or other aspects of the present invention
Will become more apparent, in the accompanying drawings:
Fig. 1 illustrates the exemplary embodiment of the cutting welding torch coolant hose assembly of the present invention；
Fig. 2 illustrates another view of the cutting welding torch coolant hose of Fig. 1；
Fig. 2 A and Fig. 2 B show similar view of view shown in figure 2, but it is different exemplary embodiments；
Fig. 3 illustrates the exemplary embodiment of the thread pattern of the multiple different parts that may be used for the present invention；
Fig. 4 illustrates the exemplary embodiment of the welding torch assembly of the assembly utilizing Fig. 1；And
Fig. 5 and Fig. 6 illustrates another exemplary embodiment of a part for welding torch assembly.
Describe in detail
The exemplary embodiment of the present invention is described below with reference to the accompanying drawings.Described exemplary embodiment is intended to help
Understand that the present invention is not intended to be limiting in any manner the scope of the present invention.Throughout, similar reference number represents similar wanting
Element.
Fig. 1 depicts the graphic representation of the exemplary embodiment of the cutting welding torch cooling tube electrode assemblie 100 of the present invention.As
Being generally understood that, assembly 100 is inserted in torch body, the most not shown this torch body (seeing Fig. 4) at this.
Assembly 100 includes coolant hose 101, and this coolant hose is inserted into passage 109 and the electrode 107 of coolant hose clamper 105
Passage 104 in.The far-end of coolant hose clamper 105 has opening, and electrode 107 is inserted in this opening.Clamper 105
Near-end also there is opening, coolant hose 101 is inserted in this opening, as shown.
Coolant hose 101 has proximal openings 103, the passage 102 that this proximal openings is fed in coolant hose.Behaviour
During work, cooling liquid is drawn towards the far-end of opening 103 and downwardly coolant hose 101 through passage 102.Pipe 101
The length having makes its far-end produce gap 111 between the inwall of the end of pipe 101 and the passage 104 of electrode 107.This
Gap 111 is important for the operation of assembly 100, and when coolant flows down channel 102, it passes this gap 111
And enter the passage 104 of electrode 107 and subsequently into the passage of clamper 105, thus the cooling desired by providing.Maintain
The consistent width in gap 111 is important for suitable coolant flowing, and in welding torch assembly known to many
This is difficult to, especially when the electrode of welding torch before changing and/or coolant hose.Knot due to known welding torch
Structure, it is difficult to these parts are assembled into when changing any parts gap 111 size desired by realizing.Which results in reduction
Cooling performance.Present embodiments provide the insertion of the most consistent pipe 101 and gap 111 size and pipe 101 passage 109 He
Placed in the middle in 104, this will be described in more detail below.
Once coolant passes gap 111, its just guided by the near-end towards clamper 105 and at the outer surface of pipe 101
Through passage 109 between 110 and the inner surface 108 of clamper 105.In an embodiment of the present invention, clamper 105 is containing multiple
Outlet port 106, the plurality of outlet port allows coolant leaving channel 109 and makes heat be communicated off assembly 100.These
Port 106 is radially positioned in around the centrage of clamper 105 so that coolant with leave its near-end the most radially
Leave clamper 105.In the exemplary embodiment, clamper 105 is containing the port between 3 to 8.The radial direction of these ports
Displacement is symmetrical to guarantee Uniform Flow.The diameter of these ports is selected to guarantee to realize desired cooling in operation
Agent is flowed.In some exemplary embodiments, all of port 106 all has identical diameter.But, in other exemplary realities
Executing in example, these ports 106 can have different diameters.Such as, can to have first straight for the half in these ports 106
Footpath, and second half in these ports 106 can have the Second bobbin diameter less than the first diameter.Once coolant leaves these ends
Mouth 106, it passes through heat exchange and/or cooling system reclaims, as is generally known with understanding.Further, show at some
In example embodiment, these ports have circular open, and in other exemplary embodiments, in these ports 106 at least
Some can have the non-circular shape being similar to the line of rabbet joint etc..After cooling electrode, coolant passes these port recirculatioies
To heat exchanger (the most not shown).
Fig. 2 shows the close up view of the near-end of coolant hose 101 and coolant hose clamper 105, the figure shows cooling
Agent pipe 101 is the most stable and placed in the middle in coolant hose clamper 105.As shown, coolant hose 101 has stable
Part 123, this steady component extends radially about at pipe 101.Steady component 123 has outer land surfaces 123A, this outer welding zone
Surface engages with the inner surface 108 of clamper 105.When pipe 101 and clamper 105 are engaged with each other, on part 123 and surface
There is frictional fit between 108 to engage.This frictional fit between part 123 with surface 108 engages pipe 101 at passage
Keep placed in the middle in 109 and ensure that these parts are reorientated easily when changing cooling tube and miscellaneous part every time
Become center condition.In the exemplary embodiment, part 123 is configured so that this frictional fit with clamper 105 engages
It is radially continuous around surface 108.In other words, the joint between part 123 and surface 108 makes do not have fluid
(cooling fluid etc.) can be through part 123 and surface 108.Therefore, it is easier to change these parts, including in welding torch
Assembly 100 and more consistent accurate replacing is provided.
Showing another exemplary embodiment of the present invention in Fig. 2 A and Fig. 2 B, wherein coolant hose 101 has many
Individual extension 140, this extension extends radially outwardly from part 123, as shown.These extensions 140 extend
Go out part 123 enter in multiple groove 108A of coolant hose clamper 105 and contribute to guaranteeing suitably to be inserted into coolant
In pepe gripper 105.In the exemplary embodiment, these extensions 140 have and the frictional fit of these grooves 108A.This
Plant in being bonded to help make coolant hose 101 placed in the middle and ensure that coolant hose 101 is oriented radially in position.?
In exemplary embodiment, the length that these extensions 140 have is less than length L of part 123.Further, these extend
The surface 141 that part has engages with the neighbouring surface 141A on coolant hose clamper 105.The joint on the two surface acts as
It is used for again ensuring that coolant hose 101 suitably arranging and guaranteeing that it is not inserted into folder in coolant hose clamper 105
In holder 105 the deepest.Although showing four parts 140 in Fig. 2 A and Fig. 2 B, other embodiments can use different number
Part 140.
Replacing the various aspects of foregoing invention, coolant hose 101 always will be inserted in its clamper 105 with state placed in the middle
In.Therefore the component life of unsuitable insertion and reduction is prevented.
Additionally, as shown, pipe 101 has fastening part 119, and this fastening part near-end ratio away from pipe is away from steady component
123 closer to, it is for being combined to be held in place O 130 with Part III 119A.O 130 is being installed in welding torch group
For providing sealing for assembly 100 and pipe 101 time in part.Fastening part 119 and each comfortable pipe 101 surrounding footpath of Part III 119A
To extension.Fastening part 119 has distal surface 122, and this distal surface is when being installed in clamper 105 and clamper
The proximal end face 120 of 105 engages.Due to this joint, pipe 101 is inserted in clamper 105 and will always produce with correct position
, so that it is guaranteed that gap 111 is suitable distance.In known welding torch assembly, the degree of depth of insertion is difficult to as one man reappear or enter
OK.Therefore, these surfaces 122 and 120 ensure that pipe 101 is inserted easily to suitably distance also in replacing and assembling process
And almost eliminate error.Further, have the surface 122 engaged with surface 120 in the proximal end of clamper 105 and with
Surface 108 engage part 123 be combined as coolant hose assembly 100 in the assembling and Renewal process of parts in known weldering
Property placed in the middle and the reliability of improvement of improvement is provided on torch.Neighbouring these combinations engaged each other ensure that pipe 101 with
Appropriate depth for gap 111 is inserted in clamper 105 and placed in the middle in passage 109.Further, this configuration is permitted
Permitted pipe 101 be configured to not far-end away from pipe 101 closer to positioning salient.In welding torch assemblies known to some, cooling
Agent pipe has the far-end away from pipe and closer to the multiple protuberances positioned thus helps to make pipe placed in the middle.But, these protuberances extend to
Coolant in coolant flowpaths and is therefore hindered to flow and coolant performance.Some exemplary embodiments of the present invention can
To use positioning salient, but due to the advantage of above-mentioned configuration, these protuberances can be less and the most not
It is necessary.
Same as shown in Figure 2, the exemplary embodiment of the present invention includes being positioned between part 119 and 123
Undercut portion 133.This undercut portion is for guaranteeing suitable between surface 122 and 120 taking a seat and coolant hose therefore
101 suitably taking a seat in coolant hose clamper 105.The length along coolant hose that this undercut portion 133 has is less than
Length L of part 123.
As described above, steady component 123 contributes to making when being inserted in clamper 105 with pressure mated condition
Pipe 101 is stable.Therefore, the length of part 123 needs to be enough to the stablizing and guaranteeing property placed in the middle desired by offer when inserting.For
Realize this purpose, in an exemplary embodiment of the present invention, the length that the outermost flat surface 123A of part 123 has
L be in the 10% of the length (pipe at gap 111 length) away from its far-end being inserted in clamper 105 of pipe 101 to
In the scope of 20%.The par length having in this scope ensure that enough alignment and stability, also allows for simultaneously
Accurately and repeatably position.In other exemplary embodiments, the length of par part 123A is in pipe 101 at clamper
In the scope of 4% to 25% of the length in 105.Above-mentioned par length L is flat surfaces length in part 123, when
When pipe is inserted in clamper 105, this flat surfaces contacts with the inner surface of clamper 105.
As the most shown in figure 2, part 123 has angled surface 123B, and this angled surface is from pipe 101
Body extend to flat surface 123A.Angularly surface 123B contributes to guiding coolant fluid to flow out port 106
Flowing.This contributes to preventing from producing stagnant wake in fluid flows and adding the performance of fluid flowing.Exemplary at some
In embodiment, the angle A between the body and surface 123B of pipe 101 is in the scope of 16 degree to 60 degree.Exemplary at other
In embodiment, this angle is in the scope of 40 degree to 60 degree.Further, as shown in Figure 2, the center quilt of angle A
It is positioned to make it align with the centrage of port 106.If angle A is width dissipates angle A, as in some exemplary embodiments,
Then center A is corresponding to the center of circle limited by the radius of angle A, and if angle A is acute angle, then the center of angle A is to roll over
Height.In some exemplary embodiments, align with the centrage of port 106 in the center of angle A.In other exemplary embodiments
In, the centrage of angle A is positioned such that it close to the centrage of port 106 but need not align with centrage.In this reality
Execute in example, in the center of angle A is positioned in the 10% of the diameter of port 106 relative to the centrage of port 106.Such as, as
Really the diameter of port 106 is 0.25 ", then the center alignment of angle A port centrage ± 0.025 " in.If these ends
Mouth has the diameter (as previously referenced) of change, then the average of port diameter is used for the model of alignment determined as described above
Enclose.
As illustrated in fig. 1, electrode 107 is shorter and is threadedly fastened in coolant hose assembly.This configuration allows electricity
Pole 107 is relatively smaller and more easily changes.Due to this configuration, in an exemplary embodiment of the present invention, electrode 107 can
With the length (from its distalmost end to most proximal end) that has in the range of the 4% to 20% of coolant hose assembly 100, at coolant
In the range of the 5% to 20% of the length of pipe 101 and coolant clamper 105 length 5% to 20% scope
In.By these ratios, The embodiment provides the cutting performance of brilliance and meanwhile allow for corresponding portion
Part is the most simply changed and aligns, as the described herein.It is to say, when needing the parts changing such as electrode 107,
Cooperation and the structure of the assembly (it can be changed as individual unit) of clamper 105 and pipe 101 ensure that suitable replacing.
Further, when electrode 105 changed by needs, it is not necessary to remove coolant hose clamper and therefore emit coolant hose clamper or group
The remainder of part 100 is to inclined risk.Additionally, coolant hose clamper 105 and coolant hose 101 can remain at needs
One assembly of Shi Genghuan, which ensure that assembly keeps alignment when removing or change.
Electrode 107 can be made up of the known materials for electrode, includes but not limited to copper, silver etc..Further,
Due to the minification of electrode 107, there is significant cost by only changing the electrode 107 of the present invention and reduce.
Fig. 3 depicts another aspect of the present invention, and this aspect has in the assembling and Renewal process of the parts of assembly 100
Help guarantee suitable alignment and property placed in the middle.Definitely, Fig. 3 depicts the multiple thread configuration of quickly connection, this threaded configuration
On the multiple different parts of welding torch assembly 100 and may be used for the miscellaneous part of welding torch.As the most abundant
Describing, this screw thread design uses many heads and the thread pitch of amendment, thus assemble and Renewal process strengthen alignment and
Install.
As previously described, in order to meet these it is often necessary to remove and change the wearing terrain of cutting welding torch.Owing to needs change parts, warp
This process is often desirably made to accelerate and guarantee suitably to install and align changed parts simultaneously.Known welding torch assembly makes
It is used for bayonet thread design with normal single head screw thread design and some welding torch assemblies.But, these screw thread design warps
The probability of the error during often needing the biggest number of turns to complete installation and add screwed tight, such as screw thread is wrong
Button.Such as, in majority is applied, which the replacing to threaded parts all may need to screw these article 5 whole circles at
To 10 whole circles.By having this big number of turns for parts, increase the probability making parts screw thread mismatch, and/or draw
Playing parts to fasten the most completely, this may cause leakage and/or bad component life.Embodiments of the invention are many by using
Screw thread design solves these problems, and these many screw thread design make use of installation torque the most in need and screw thread stress, ties up simultaneously
Hold apply force to corresponding with known thread system and mate part.
Fig. 3 depicts the exemplary embodiment of the electrode 300 of many screw thread design with the present invention.Definitely, electrode 300
Having threaded portion 301, this threaded portion has multiple independent and different thread path 303A, 303B and 303C.Shown
Embodiment there are three different thread path 303, but other embodiments of the present invention can use the spiral shell of more than three
Lines footpath.Such as, other exemplary embodiments can use 4 different thread path, and other exemplary embodiment
Up to 5 different thread path can be used.By using multiple thread path, embodiments of the invention can provide portion
Simply and accurately changing of part, greatly makes the minimizing inclined and/or cross threading of parts, meanwhile provides required
Will be with the attachment force of desired applying.Embodiments of the invention completely rotate also by the most less parts of use and deliver institute
Desired mating force, hence in so that the replacing of parts is faster and more consistent.Such as, embodiments of the invention can only pass through portion
1 to 2 complete rotation of part provides the complete installation of parts.In some exemplary embodiments, can be by parts
1.25 to 1.5 complete rotations realize the complete installation of parts.Such as, in some applications, the electrode of the present invention can be only
Installed by 1.25 to 1.5 complete rotations.Install by using the rotation of these low quantity to complete, substantially increase
The chance of accurate and complete installation.
Therefore, embodiments of the invention can be by assuring that suitable alignment, make cross threading or minimum to inclined chance
Change and guarantee that parts (such as electrode 107) are installed completely and the installation of high precision is provided.Needed for reducing installing component
The rotation quantity wanted, embodiments of the invention make to be easily installed, and ensure that realization is complete and install.Due to the present invention's
Advantage, can utilize all of screw thread and especially those screw threads on the parts frequently changed at torch head assemblies
Many threaded configuration are used on parts.Such as, the screw thread 115,117 and 127 that figure 1 illustrates each can have as above
Many threaded configuration.Further, in addition to these components, this threaded configuration can also be used the weldering at other by embodiment
In torch component parts, such as Quick Release ring, interior maintenance lid and outer maintenance lid, electrode, coolant hose, clamper etc..As shown in the diagram
Going out, torch head is connected on welding torch base by welding torch attachment ring 401, and outer maintenance lid 403 contributes to making welding torch protective cover maintenance,
And interior maintenance lid 405 contributes to making torch-tip maintenance.
Fig. 4 depicts the exemplary embodiment of the welding torch assembly 400 of the assembly 100 containing Fig. 1.Because welding torch assembly 400
Miscellaneous part be known generally, be not described in detail at this.Certainly, the multiple different embodiments of the present invention are not
Be confined to welding torch assembly 400 as shown in Figure 4 or Fig. 1 and Fig. 2 shown in the configuration of assembly 100, and these implement
Example is intended to exemplary.
Fig. 5 depicts the feature of a part for the welding torch assembly 400 shown in Fig. 4.As shown, welding torch 400 has
The parts such as negative electrode adaptor body 501, cathodic body 505, arc maintenance adapter 509 and rear separator 513.Because these parts with
And other torch component is known generally to those skilled in the art, it will not be discussed in detail at this.Totally
On, except scope discussed below, the structure of torch component can be consistent with known welding torch configuration, because the aspect of the present invention
May be used for combining with multiple welding torch configuration.Such as, as shown, the cooling tube in Fig. 5 is with the cooling tube in Fig. 4 not
Same configuration.Therefore, embodiments of the invention and architectural characteristic as shown in Figure 5 may be used for the embodiment shown in Fig. 4,
And vice versa.
As explained briefly above, in welding torch 400 and the operation of parts or installation process thereof, liquid coolant may be
Surrounding's leakage of some parts, this may be harmful in welding torch and the life-span of single parts thereof and operation.Additionally, in operating process
In be likely to cause protective gas to reveal, this by cause protective gas pressure decline-this cutting time be probably harmful.Cause
This, embodiments of the invention utilize multiple different sealing and sealing mechanism to significantly improve the close of welding torch 400 and parts thereof
Envelope.This is explained in greater detail about Fig. 5 and Fig. 6.
As shown in fig. 5, welding torch 400 includes negative electrode adaptor body 501, and cathodic body 505 is coupled and fastens
On this negative electrode adaptor body.Because in some welding torches construct, negative electrode adaptor body 501 may expose in operation
It is exposed to coolant, it is possible to desirably provide for these parts and sufficiently seal.Embodiments of the invention are by negative electrode
The connection end 501 ' place of adaptor body 501 provides at least two sealant ring 502,503 (such as, O) to reach this
Purpose.These sealant rings are each shelved in the single passage in the surface being formed on negative electrode adaptor body 501, this
Allow suitable the taking a seat of these rings.The connection end of body 501 is the cathodic body 505 with negative electrode adaptor body 501
The end that the end that connects is contrary.Further, as shown in fig. 6, this at least two O from centrage to centrage with
Distance D2 is spaced apart from each other.In an exemplary embodiment of the present invention, distance D2 is in the total length L 2 of negative electrode adaptor body 501
2% to 90% scope in.In other exemplary embodiments, distance D2 is in the scope of the 2% to 25% of total length L 2.
This size provides the oplimal Location of sealing ring, so that it is guaranteed that maintain suitable sealing during operation and component failure.
By maintaining this relation, embodiments of the invention can provide the increasing to the negative electrode adaptor body 501 in welding torch assembly 400
Strong sealing.Definitely, fit when connected when negative electrode adaptor body 501 is coupled to (coolant fluid is passed), this
Inventive embodiment provides strengthen seal and can resist the pressure stood in coolant fluid flows fully.At this
In the exemplary embodiment of invention, sealant ring 502 and 503 is identical.But, in other exemplary embodiments, ring 502
/ characteristic can be of different sizes so that they provide different crushing resistances with 503.
Further, as shown in fig. 5 and fig., cathodic body 505 has the center being positioned in its total length L 3
Neighbouring at least two sealant ring 506,507 (such as, O).These sealant rings 506,507 leak at coolant again
Or the event overflowed provides the parts sealing and protecting welding torch 400 strengthened.These sealant rings 506,507 are each shelved
In single passage in the surface being formed on cathodic body 505, this allows suitable the taking a seat of these rings.As in figure 6
Illustrating, these rings 506,507 are mutually positioning by distance D3 from centrage to centrage.Distance D3 is in the overall length of cathodic body
In the scope of the 2% to 50% of degree L3.In other exemplary embodiments, distance D3 cathodic body total length 2% to
In the scope of 12%.This size provides the oplimal Location of sealing ring, so that it is guaranteed that tie up during operation and component failure
Hold suitable sealing.Additionally, as shown, these rings 506,507 are positioned in the middle section 505 ' of cathodic body 505
In.Further, in an exemplary embodiment of the present invention, these rings 506 and 507 are positioned such that the center quilt of distance D3
It is positioned at the immediate vicinity of the total length L 3 of cathodic body.In an exemplary embodiment of the present invention, these ring 506 and 507 quilts
Being located so that, the center of distance D3 is positioned such that the center of the length of cathodic body 505 is left not in the center of distance D3
More than the total length L 3 of cathodic body 505 10%.Such as, if cathodic body 505 is 5 in length ", the center of distance D3
The center being oriented to leave length L3 of cathodic body 505 is not more than 0.5 ".Ring 506,507 is positioned at welding torch 400 by this
At interior optimal location.In an exemplary embodiment of the present invention, sealant ring 506 and 507 is identical.But, at other
In exemplary embodiment, ring 506 and 507 can be of different sizes/characteristic so that they provide different crushing resistances.
Equally, as shown in fig. 5 and fig., embodiments of the invention use at least two on arc maintenance adapter 509
Sealant ring 510 and 511.Arc maintenance adapter 509 is for helping generation arc maintenance in the operating process of welding torch 400.Because it makes
With being known generally with operation, the details of arc maintenance adapter will not discussed in detail at this.These sealant rings
510, in the 511 single passages being each shelved in the surface being formed on arc maintenance adapter 509, this allows these rings suitable
Take a seat.As shown, in the exemplary embodiment, this at least two ring 510 and 511 is positioned in arc maintenance adapter 509
Zone line 509' on, wherein zone line 509' has the maximum gauge of arc maintenance adapter 509.As shown in fig. 6,
Ring 510 and 511 is oriented to distance D1 apart, wherein distance D1 arc maintenance adapter 509 total length L 1 2% to
In the scope of 90%.In other exemplary embodiments, distance D1 is in the scope of the 2% to 50% of total length L 1.This chi
The very little oplimal Location providing sealing ring, so that it is guaranteed that maintain suitable sealing during operation and component failure.Further
, in an exemplary embodiment of the present invention, these rings 510 and 511 are positioned such that, the center of distance D1 is oriented to make
The center C of the length that must leave arc maintenance adapter 509 apart from the center of D1 is not more than the total length L 1 of arc maintenance adapter 509
20%.Such as, if arc maintenance adapter is 4 in length ", the center of distance D1 will be oriented to leave arc maintenance adapter 509
The center C of length L1 be not more than 0.8 ".Ring 510,511 is positioned at the optimal location in welding torch 400 by this.The present invention's
In exemplary embodiment, sealant ring 510 and 511 is identical.But, in other exemplary embodiments, ring 510 and 511
/ characteristic can be of different sizes so that they provide different crushing resistances.
Further, as shown above and discussion, separator 513 after welding torch 400 utilization, this rear separator is by negative electrode
Body 505 separates from anode body 519.The effect to the housing of the nozzle of welding torch of anode body 519 withdrawal of needle, and after separate
Device 513 contributes to guiding fluid (such as coolant) and accommodating the cathodic body of welding torch.As shown, showing in the present invention
In example embodiment, at least four that rear separator 513 has on the outer surface being positioned in rear separator 513 individually seals
Agent ring 514,515,516 and 517.These sealant rings 514,515,516 and 517 are each shelved on and are formed on rear separator
In single passage in the surface of 513, this allows suitable the taking a seat of these rings.As shown, these rings are divided into two groups
Ring 514/515 and 516/517, wherein first group 514/515 engages with the inner surface of anode body 519, and second group 516/
517 engage with the inner surface of threaded collar separator 521.Threaded collar separator 521 contribute to making the protective cover of welding torch and enclosing cover from
Anode body and nozzle separate.It is further, as shown in fig. 6, after these rings are positioned in the having of rear separator 513
On the upstream termination 513' of the minimum outside diameter of separator 513.Further, in an exemplary embodiment of the present invention, this
Each group corresponding (centrage to centrage ground) in a little rings is separated by distance D4, and this distance is total rear separator 513
In the scope of the 2% to 50% of length L4.In other exemplary embodiments, distance D4 is the 2% to 16% of total length L 4
In scope.This size provides the oplimal Location of sealing ring, so that it is guaranteed that maintain suitably during operation and component failure
Sealing.It is to say, each group 514/515 of ring with 516/517 be by identical distance D4 separate (the phase of every pair
Distance between Ying Huan).But, in other exemplary embodiments, the distance of separation needs not be identical.The present invention's
In exemplary embodiment, sealant ring 514,515,516 and 517 is identical.But, in other exemplary embodiments, ring
514,515,516 and 517/characteristic can be of different sizes so that they provide different crushing resistances.
Although describe the theme of the application with reference to some embodiment, it will be appreciated, however, by one skilled in the art that not
In the case of departing from the scope of theme, various change can be carried out, and equivalents can be replaced.Furthermore, it is possible to carry out permitted
Many amendments so that particular situation or material adapt to theme teach content without deviating from its scope.Therefore, it is intended to, main
Topic content is not only restricted to disclosed specific embodiment, and subject content will include all enforcements fallen within the scope of the present application
Example.
Reference number
100 assembly 141 surfaces
101 coolant hose 141A surfaces
102 passage 300 electrodes
103 distal opening 303 thread path
104 passage 303A paths
105 coolant hose clamper 303B paths
106 outlet port 303C paths
107 electrode 400 (welding torch) assemblies
108 inner surface 401 rings
108A groove 403 covers
109 passage 501 adaptor bodies
110 outer surfaces 501 ' connect end
111 gap 502 rings
115 screw thread 503 rings
117 screw thread 505 cathodic body
119 fastening part 505 ' regions
119A part 506 ring
120 end surface 507 rings
122 distal surface 509 arc maintenance adapters
123 steady component 509 ' zone lines
Outer land surfaces 510 ring of 123A
123B angled surface 511 ring
Separator after 127 screw threads 513
130 O-ring 513 ' separators afterwards
133 undercut portion 514 rings
140 extension 515 rings
516 ring D3 distances
517 ring D4 distances
519 anode body L length
521 ring separator L1 length
A angle/center L2 length
C center L3 length
D1 distance L4 length
D2 distance
Claims (10)
1. a plasma arc torch (100,400), including:
One negative electrode adaptor body (501), this negative electrode adaptor body has and is formed on the of this negative electrode adaptor body
At least two the first sealant passage on the outer surface of one end is to receive at least two the first sealant ring accordingly, and this is extremely
Few two the first sealant passages are spaced apart from each other with the first distance, and this first distance is at this negative electrode adaptor body (501)
In the scope of 2 to percent 90 the percent of total length；
The cathodic body (505) being coupled on the second end of this negative electrode adaptor body (501), this cathodic body
(505) there is at least two the second sealant passage on the outer surface being formed on this cathodic body (505) to connect accordingly
Receiving at least two the second sealant ring, this at least two the second sealant passage is spaced apart from each other with second distance, this second away from
In the scope of 2 to percent 50 percent of the total length at this cathodic body (505)；
One arc maintenance adapter (509), this arc maintenance adapter has on the outer surface being formed on this arc maintenance adapter (509)
At least two the 3rd sealant passage is to receive at least two the 3rd sealant ring accordingly, and this at least two the 3rd sealant leads to
Road is spaced apart from each other with the 3rd distance, the 3rd distance this arc maintenance adapter (509) total length 2 to percent percent
In the scope of 90；And
Separator (513,513') after one, this cathodic body (505) is separated by this rear separator with an anode body (519)
Opening, this rear separator (513,513') has
At least two the 4th sealant passage, this at least two the 4th sealant passage is formed on the outer surface of this rear separator
On to receive at least two the 4th sealant ring accordingly, this at least two the 4th sealant ring and this anode body (518)
Inner surface engages, and this at least two the 4th sealant passage is spaced apart from each other with the 4th distance, and the 4th distance is after this
In the scope of 2 to percent 50 the percent of the total length of separator (513,513'), and
At least two the 5th sealant passage, this at least two the 5th sealant passage be formed on this rear separator (513,
To receive at least two the 5th sealant ring accordingly on outer surface 513'), this at least two the 5th sealant ring and one
The inner surface of ring separator (521) engages, and this at least two the 5th sealant passage is spaced apart from each other with the 5th distance, should
5th distance this rear separator (513,513') total length 2 to percent 50 percent scope in.
2. plasma arc torch (100,400) as claimed in claim 1, wherein this first distance is at this negative electrode adapter originally
In the scope of 2 to percent 25 the percent of the total length of body, and/or
Wherein this second distance this negative electrode adaptor body total length 2 to percent 12 percent scope in, and/or
Wherein the 3rd distance this arc maintenance adapter total length 2 to percent 50 percent scope in, and/or
Wherein the 4th distance this rear separator total length 2 to percent 16 percent scope in, and/or
Wherein the 5th distance this rear separator total length 2 to percent 16 percent scope in.
3. plasma arc torch (100,400) as claimed in claim 1 or 2, wherein this at least two the first sealant ring
It is O, and/or
Wherein this at least two the second sealant ring is O, and/or
Wherein this at least two the 3rd sealant ring is O, and/or
Wherein this at least two the 4th sealant ring is O, and/or this at least two the 5th sealant ring is O.
4. plasma arc torch (100,400) as claimed any one in claims 1 to 3, wherein this at least two first
Sealant ring has at least one in same size and identical component, or wherein this at least two the first sealant ring has
At least one in different size and heterogeneity.
5. the plasma arc torch (100,400) as according to any one of Claims 1-4, wherein this negative electrode adapter is originally
First end of body (501) is contrary with the second end of this negative electrode adaptor body (501) on the flow direction of cooling fluid.
6. the plasma arc torch (100,400) as according to any one of claim 1 to 5, wherein this at least two second
Sealant ring has at least one in same size and identical component, or wherein this at least two the second sealant ring has
At least one in different size and heterogeneity.
7. the plasma arc torch (100,400) as according to any one of claim 1 to 6, wherein at this second distance
Center, this cathodic body (505) total length center between distance be not more than the percentage of total length of cathodic body (505)
10.
8. the plasma arc torch (100,400) as according to any one of claim 1 to 7, wherein this at least two the 3rd
Sealant ring has at least one in same size and identical component, or wherein this at least two the 3rd sealant ring has
At least one in different size and heterogeneity.
9. the plasma arc torch (100,400) as according to any one of claim 1 to 8, wherein in the 3rd distance
Center, this arc maintenance adapter (509) total length center between distance be not more than the total length of arc maintenance adapter (509)
Percent 20.
10. plasma arc torch (100,400) as claimed in any one of claims 1-9 wherein, wherein the 4th distance is equal to
5th distance, or
Wherein the 4th distance is not equal to the 5th distance.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201461949573P | 2014-03-07 | 2014-03-07 | |
| US61/949,573 | 2014-03-07 | ||
| US14/631,814 US9313871B2 (en) | 2013-07-31 | 2015-02-25 | Apparatus and method of aligning and securing components of a liquid cooled plasma arc torch and improved torch design |
| US14/631,814 | 2015-02-25 | ||
| PCT/IB2015/000297 WO2015132657A1 (en) | 2014-03-07 | 2015-03-09 | Apparatus of sealing and securing components of a liquid cooled plasma arc torch and improved torch design |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106068680A true CN106068680A (en) | 2016-11-02 |
| CN106068680B CN106068680B (en) | 2018-09-11 |
Family
ID=52824505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580011818.6A Active CN106068680B (en) | 2014-03-07 | 2015-03-09 | The equipment that the component of the plasma arc torch of liquid cooling is sealed and is fastened and improved torch design |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3114907B1 (en) |
| JP (1) | JP6227800B2 (en) |
| CN (1) | CN106068680B (en) |
| PL (1) | PL3114907T3 (en) |
| WO (1) | WO2015132657A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109483029A (en) * | 2017-09-13 | 2019-03-19 | 林肯环球股份有限公司 | Insert is isolated in high temperature for plasma cutting torch |
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|---|---|---|---|---|
| CN87104235A (en) * | 1986-06-13 | 1988-02-24 | 珀金·埃尔默公司 | The plasma torch of adjustable cathode |
| US5105061A (en) * | 1991-02-15 | 1992-04-14 | The Lincoln Electric Company | Vented electrode for a plasma torch |
| US5440094A (en) * | 1994-04-07 | 1995-08-08 | Douglas G. Carroll | Plasma arc torch with removable anode ring |
| EP0941018A2 (en) * | 1998-03-06 | 1999-09-08 | The Esab Group, Inc. | Plasma arc torch |
| CN101543139A (en) * | 2007-01-23 | 2009-09-23 | 海别得公司 | Consumable component parts for a plasma torch |
| WO2012021236A1 (en) * | 2010-08-09 | 2012-02-16 | The Esab Group, Inc. | Blow-back plasma arc torch with shield fluid-cooled electrode |
| CN103222343A (en) * | 2010-12-01 | 2013-07-24 | 依赛彼集团公司 | Electrode for plasma torch with novel assembly method and enhanced heat transfer |
-
2015
- 2015-03-09 CN CN201580011818.6A patent/CN106068680B/en active Active
- 2015-03-09 WO PCT/IB2015/000297 patent/WO2015132657A1/en active Application Filing
- 2015-03-09 PL PL15715814T patent/PL3114907T3/en unknown
- 2015-03-09 JP JP2016555606A patent/JP6227800B2/en active Active
- 2015-03-09 EP EP15715814.8A patent/EP3114907B1/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87104235A (en) * | 1986-06-13 | 1988-02-24 | 珀金·埃尔默公司 | The plasma torch of adjustable cathode |
| US5105061A (en) * | 1991-02-15 | 1992-04-14 | The Lincoln Electric Company | Vented electrode for a plasma torch |
| US5440094A (en) * | 1994-04-07 | 1995-08-08 | Douglas G. Carroll | Plasma arc torch with removable anode ring |
| EP0941018A2 (en) * | 1998-03-06 | 1999-09-08 | The Esab Group, Inc. | Plasma arc torch |
| CN101543139A (en) * | 2007-01-23 | 2009-09-23 | 海别得公司 | Consumable component parts for a plasma torch |
| WO2012021236A1 (en) * | 2010-08-09 | 2012-02-16 | The Esab Group, Inc. | Blow-back plasma arc torch with shield fluid-cooled electrode |
| CN103222343A (en) * | 2010-12-01 | 2013-07-24 | 依赛彼集团公司 | Electrode for plasma torch with novel assembly method and enhanced heat transfer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109483029A (en) * | 2017-09-13 | 2019-03-19 | 林肯环球股份有限公司 | Insert is isolated in high temperature for plasma cutting torch |
| CN109483029B (en) * | 2017-09-13 | 2022-09-16 | 林肯环球股份有限公司 | High temperature isolation insert for plasma cutting torch |
Also Published As
| Publication number | Publication date |
|---|---|
| PL3114907T3 (en) | 2018-07-31 |
| EP3114907B1 (en) | 2018-02-28 |
| EP3114907A1 (en) | 2017-01-11 |
| JP6227800B2 (en) | 2017-11-08 |
| JP2017514267A (en) | 2017-06-01 |
| CN106068680B (en) | 2018-09-11 |
| WO2015132657A1 (en) | 2015-09-11 |
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