CN106068680B - The equipment that the component of the plasma arc torch of liquid cooling is sealed and is fastened and improved torch design - Google Patents
The equipment that the component of the plasma arc torch of liquid cooling is sealed and is fastened and improved torch design Download PDFInfo
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- CN106068680B CN106068680B CN201580011818.6A CN201580011818A CN106068680B CN 106068680 B CN106068680 B CN 106068680B CN 201580011818 A CN201580011818 A CN 201580011818A CN 106068680 B CN106068680 B CN 106068680B
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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 cathode adaptor body (501), which has at least two sealant channels with multiple sealant rings.The welding torch (100,400) further includes cathodic body (505), which has at least two sealant channels with multiple sealant rings.The welding torch (100,400) further comprises arc maintenance connector (509), which has at least two sealant channels with multiple sealant rings.The welding torch (100,400) include extraly rear separator (513,513'), the rear separator includes at least two sealant channels with multiple sealant rings, it these sealant engagement of loops anode bodies (519) and is separated from each other with a distance, the distance is in percent 2 to percent 50 range of the total length of the rear separator (513,513').The rear separator (513,513') further include at least two sealant channels with multiple sealant rings, it these sealant engagement of loops ring separators (521) and is separated from each other with a distance, the distance is in percent 2 to percent 50 range of the total length of the rear separator (513,513').
Description
This application claims the priority for the provisional application 61/949,573 submitted on March 7th, 2014, the provisional application is logical
Cross reference in its entirety combine here, and the application is originally the U.S. Patent Application No. 13/956 submitted on July 31st, 2013,
179 part continuation application and its priority is required, whole disclose of this application is combined herein in its entirety by reference.
Technical field
The present invention relates to plasma arc torch.Meet the device of the invention, system and method to be related to cutting, and more
The devices, systems, and methods that the component for particularly relating to the plasma arc torch for being cooled down to liquid is aligned and is fastened
And improved torch design.
Background technology
In many cutting operations, plasma arc torch has been used.These welding torches work at very high temperatures, this
Many components of these welding torches may be damaged.In this way, some welding torches are cooling so that heat transfer leaves some cuttings using liquid
Torch component.Cooling liquid passes through a variety of different fluid chamber etc..However, the presence for these chambers and channel and demand
Mean that the alignment of some components of welding torch component may be difficult, especially when replacing component.When installation is aligned not
When 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 have increased a variety of different steady components extended in cooling fluid path on some of the components, so
And these steady components may interfere with the cooling capacity that fluid flows and therefore endangers welding torch component.Further, existing
The configuration that welding torch has is not enough to solve the problems, such as coolant leakage or overflow to prevent coolant contact critical component or leakage
Go out welding torch.
By this method compared with the embodiment of the present invention illustrated with reference to attached drawing in the rest part of the application, often
Rule, the further limitation of tradition and the method proposed and disadvantage will become bright for those skilled in the art
It is aobvious.
Invention content
Coolant contact critical component or leak out welding torch and in order to overcome further limitation and disadvantage in order to prevent,
Plasma arc torch described below.Preferred embodiment is also described as follows.Exemplary embodiment of the present invention is a kind of electric arc
Welding torch component or sub-component, the arc torch component or sub-component have improved replacement and centering characteristic, wherein torch head
The concrete property that certain components have improve a variety of different components operation, using and can replaceability again.The present invention into one
The embodiment of step also has the leakage-proof structure enhanced and component to prevent coolant from leaking out welding torch.
In another exemplary embodiment, plasma arc torch includes cathode adaptor body, the cathode adapter
Ontology has at least two first sealant channels on the outer surface for the first end for being formed on the cathode adaptor body
Accordingly to receive at least two first sealant rings.At least two first sealant channel is spaced with the first distance
It opens, first distance is in percent 2 to percent 90 range of the total length of the cathode adaptor body.The welding torch also wraps
The cathodic body being coupled in the second end of the cathode adaptor body is included, wherein the cathodic body, which has, is formed on this
At least two second sealant channels on the outer surface of cathodic body are accordingly to receive at least two second sealant rings.It should
At least two second sealant channels are separated from each other with second distance, the second distance the cathodic body total length hundred
In/2 to percent 50 range.The welding torch further comprises arc maintenance connector, which, which has, is formed on this
At least two third sealant channels on the outer surface of arc maintenance connector are accordingly to receive at least two third sealant rings.
At least two thirds sealant channel is separated from each other with third distance, total length of the third distance in the arc maintenance connector
Percent 2 to percent 90 range in.The welding torch extraly include rear separator, the rear separator by the cathodic body with
Anode body separates.The rear separator includes at least two the 4th sealants being formed on the outer surface of the rear separator
Channel is accordingly to receive at least two the 4th sealant rings.The interior table of at least two the 4th the sealant ring and the anode body
Face engages, and at least two the 4th sealant channel is separated from each other with the 4th distance, and the 4th distance is in the rear separation
In percent the 2 of the total length of device to percent 50 range.The rear separator further includes be formed on the rear separator outer
At least two the 5th sealant channels on surface are accordingly to receive at least two the 5th sealant rings.This at least two the 5th
Sealant ring is engaged with the inner surface of ring separator, and at least two the 5th sealant channel is spaced with the 5th distance
It opens, the 5th distance is in percent 2 to percent 50 range of the total length of the rear separator.
In another exemplary embodiment, first distance the cathode adaptor body total length percent 2
To in percent 25 range and/or the second distance the cathode adaptor body total length 2 to percent percent
In 12 range and/or the third distance is in percent 2 to percent 50 range of the total length of the arc maintenance connector,
And/or the 4th distance in percent 2 to percent 16 range of the total length of the rear separator and/or the 5th away from
In range from percent 2 to percent 16 of the total length in the rear separator.
In another exemplary embodiment, at least two first sealant ring be O-ring and/or this at least two
Second sealant ring is O-ring and/or at least two thirds sealant ring is O-ring and/or this is at least two the 4th close
Envelope agent ring is O-ring and/or at least two the 5th sealant ring is O-ring.
In another exemplary embodiment, which has in identical size and identical component
At least one, or wherein at least two first sealant ring has at least one of different sizes and heterogeneity.
In another exemplary embodiment, the first end of the cathode adaptor body is in the flow direction of cooling fluid
It is upper opposite with the second end of the cathode adaptor body.
In another exemplary embodiment, which has in identical size and identical component
At least one or at least two second sealant ring there is at least one of different sizes and heterogeneity.
In another exemplary embodiment, the center of the second distance, the total length of the cathodic body center it
Between distance no more than cathodic body total length percent 10.
In another exemplary embodiment, which has in identical size and identical component
At least one or at least two thirds sealant ring there is at least one of different sizes and heterogeneity.
In another exemplary embodiment, at the center of the third distance, the center of the total length of the arc maintenance connector
The distance between no more than arc maintenance connector total length percent 20.
In another exemplary embodiment, the 4th distance is equal to the 5th distance or the 4th distance is not equal to
5th distance.
Description of the drawings
Detailed description of the present invention exemplary embodiment, above-mentioned and/or other aspects of the invention are come by reference to attached drawing
It will become more apparent, in the accompanying drawings：
Fig. 1 illustrates the exemplary embodiment of the cutting welding torch coolant hose component of the present invention；
Fig. 2 illustrates another view of the cutting welding torch coolant hose of Fig. 1；
Fig. 2A with Fig. 2 B shows similar view of view shown in figure 2, but it is different exemplary embodiment；
Fig. 3 illustrates the exemplary embodiment for the thread pattern that can be used for a variety of different components of the present invention；
Fig. 4 illustrates the exemplary embodiment of the welding torch component using the component of Fig. 1；And
Fig. 5 and Fig. 6 illustrates another exemplary embodiment of a part for welding torch component.
Specific implementation mode
Exemplary embodiment of the present invention described below with reference to the accompanying drawings.Described exemplary embodiment is intended to help
Understand the present invention and is not intended to and limits the scope of the invention in any way.Throughout, it indicates similar similar to reference number to want
Element.
Fig. 1 depicts the graphic representation of the exemplary embodiment of the cutting welding torch cooling tube electrode assembly 100 of the present invention.Such as
Normally understood, component 100 is inserted into torch body, and the torch body is not shown for clarity herein (referring to Fig. 4).
Component 100 includes coolant hose 101, which is inserted into channel 109 and the electrode 107 of coolant hose clamper 105
Channel 104 in.There is opening, electrode 107 to be inserted into the opening for the distal end of coolant hose clamper 105.Clamper 105
Proximal end also there is opening, coolant hose 101 is inserted into the opening, as shown.
There are coolant hose 101 proximal openings 103, the proximal openings to be fed into the channel 102 in coolant hose.It is grasping
During work, cooling liquid is led to opening 103 and downwardly the distal end of coolant hose 101 passes through channel 102.Pipe 101
The length having makes its distal end generate gap 111 between the end of pipe 101 and the inner wall in the channel of electrode 107 104.This
Gap 111 is important for the operation of component 100, when coolant flow lower channel 102, passes through this gap 111
And into the channel 104 of electrode 107 and subsequently into the channel of clamper 105, to provide desirable cooling.It maintains
The consistent width in gap 111 is important for coolant appropriate flowing, and in many known welding torch components
This is difficult to, especially when replacing the electrode and/or coolant hose of pervious welding torch.Due to the knot of known welding torch
Structure, it is difficult to these components be assembled into and realize 111 size of desirable gap when replacing arbitrary component.Which results in reductions
Cooling performance.Present embodiments provide very consistent pipe 101 insertion and 111 size of gap and pipe 101 in 109 He of channel
Placed in the middle in 104, this will be described in more detail below.
Once coolant passes through gap 111, just by the guiding of the proximal end of before and after clamper 105 in the outer surface of pipe 101
Channel 109 is passed through 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, multiple outlet port allow coolant leaving channel 109 and heat transfer are made to leave component 100.These
Port 106 is radially positioned in around the center line of clamper 105 so that coolant and leaves its proximal end on the contrary radially
Leave clamper 105.In the exemplary embodiment, clamper 105 contains the port between 3 to 8.The radial direction of these ports
Displacement is symmetrically to ensure Uniform Flow.The diameter of these ports is selected to ensure to realize desirable cooling in operation
Agent is flowed.In some exemplary embodiments, all ports 106 diameter all having the same.However, in other exemplary realities
It applies in example, these ports 106 can have different diameters.For example, the half in these ports 106 can be straight with first
Diameter, and in these ports 106 the other half can have less than first diameter second diameter.Once coolant leaves these ends
Mouthfuls 106, it passes through heat exchange and/or cooling system to recycle, as generally known and understands.Further, show at some
In example property embodiment, these ports have circular open, and in other exemplary embodiments, in these ports 106 at least
Some can have the non-circular shape for being similar to line of rabbet joint etc..After cooling electrode, coolant is recycled across these ports
It (is not shown for clarity) to heat exchanger.
Fig. 2 shows the close up views of the proximal end of coolant hose 101 and coolant hose clamper 105, and the figure shows coolings
How stable and placed in the middle in coolant hose clamper 105 agent pipe 101 is.As shown, coolant hose 101, which has, stablizes
Part 123, the steady component are extended radially about in pipe 101.Steady component 123 has outer land surfaces 123A, the outer welding zone
Surface is engaged 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 are frictional fit engagements between 108.This frictional fit between part 123 and surface 108 is engaged pipe 101 in channel
It keeps placed in the middle in 109 and ensures that these components are easily repositioned when replacing cooling tube and other component every time
At center condition.In the exemplary embodiment, part 123 is configured so that engages with this frictional fit of clamper 105
It is radially continuous around surface 108.In other words, the engagement between part 123 and surface 108 makes no fluid
(cooling fluid etc.) can be across part 123 and surface 108.Therefore, it is easier to replace in these components, including welding torch
Component 100 and provide more consistent accurate replacement.
Show that another exemplary embodiment of the present invention, wherein coolant hose 101 have more in Fig. 2A and Fig. 2 B
A extension 140, the extension extend radially outwardly from part 123, as shown.These extensions 140 extend
Go out in multiple groove 108A of the entrance coolant hose clamper of part 123 105 and helps to ensure suitably to be inserted into coolant
In pepe gripper 105.In the exemplary embodiment, these extensions 140 have the frictional fit with these grooves 108A.This
Kind of engagement help to make coolant hose 101 placed in the middle and ensure coolant hose 101 be oriented radially it is in place in.
In exemplary embodiment, the length that these extensions 140 have is less than the length L of part 123.Further, these extend
The surface 141 that part has is engaged with the neighbouring surface 141A on coolant hose clamper 105.The engagement on the two surfaces acts as
For again ensuring that suitably the arranging in coolant hose clamper 105 of coolant hose 101 and ensuring that it is not inserted into folder
It is too deep in holder 105.Although showing four parts 140 in Fig. 2A and Fig. 2 B, other embodiment can use different numbers
Part 140.
Instead of 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.
In addition, as shown, pipe 101 has fastening part 119, and proximal end ratio of the fastening part away from pipe is away from steady component
123 closer to being used to be combined so that O-ring 130 to be held in place with Part III 119A.O-ring 130 is being installed in welding torch group
For providing sealing for component 100 and pipe 101 when in part.Fastening part 119 and Part III 119A 101 surrounding diameters of each comfortable pipe
To extension.Fastening part 119 has distal surface 122, and the distal surface is when being installed in clamper 105 and clamper
105 proximal end face 120 engages.Due to this engagement, pipe 101 is inserted into clamper 105 and will always be generated with suitable position
, so that it is guaranteed that gap 111 is suitable distance.In known welding torch component, the depth of insertion be difficult to consistently to reappear or into
Row.Therefore, these surfaces 122 and 120 are ensured is inserted easily to suitable distance simultaneously in replacement and assembling process middle pipe 101
And almost eliminate error.Further, have the surface 122 that is engaged with surface 120 in the proximal end of clamper 105 and with
The part 123 that surface 108 engages is combined as coolant hose component 100 in the assembling of component and replacement process in known weldering
Improved property placed in the middle and improved reliability are provided on torch.Combinations of these neighbouring mutual engagements ensure pipe 101 with
The appropriate depth in gap 111 is inserted into clamper 105 and placed in the middle in channel 109.Further, this configuration is permitted
Perhaps pipe 101 be configured to the distal end not away from pipe 101 closer to positioning salient.It is cooling in some known welding torch components
Agent pipe has the distal end away from pipe closer to the multiple protruding portion of positioning to help to keep pipe placed in the middle.However, these protruding portions extend to
Interfere in coolant flowpaths and therefore coolant flowing and coolant performance.Some exemplary embodiments of the present invention can
To use positioning salient, but the advantages of due to above-mentioned configuration, these protruding portions can with smaller and in numerous applications not
It is necessary.
Same as shown in Figure 2, exemplary embodiment of the present invention includes being positioned between part 119 and 123
Undercut portion 133.This undercut portion be used for ensure between surface 122 and 120 it is appropriate take a seat and therefore coolant hose
101 suitably taking a seat in coolant hose clamper 105.The length along coolant hose that this undercut portion 133 has is less than
The length L of part 123.
As described above, steady component 123 helps to make when being inserted into clamper 105 with pressure cooperation state
Pipe 101 is stablized.Therefore, the length needs of part 123 are enough to provide desirable stabilization when being inserted into and ensure property placed in the middle.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 length away from its distal end at gap 111) of pipe 101 being inserted into clamper 105 to
In 20% range.Enough alignment and stability are ensured with the flat part length in this range, while also being allowed for
Accurate and repeatable positioning.In other exemplary embodiments, the length of flat part part 123A is in pipe 101 in clamper
In 4% to 25% range of the length in 105.Above-mentioned flat part length L is length of the flat surfaces on part 123, when
The flat surfaces are contacted with the inner surface of clamper 105 when pipe is inserted into clamper 105.
As same shown in figure 2, part 123 has an angled surface 123B, and the angled surface is from pipe 101
Ontology extend to flat surface 123A.Angled surface 123B helps to guide coolant fluid outflow port 106
Flowing.This helps to prevent from generating stagnant wake in fluid flows and increases the performance of fluid flowing.It is exemplary at some
In embodiment, the angle A between the ontology and surface 123B of pipe 101 is in 16 degree to 60 degree of range.It is exemplary at other
In embodiment, which is in 40 degree to 60 degree of range.Further, as shown in Figure 2, the center quilt of angle A
It is positioned to that it is made to be aligned with the center line of port 106.If angle A, which is width, dissipates angle A, as in some exemplary embodiments,
Then center A corresponds to the center of the circle limited by the radius of angle A, and if angle A is acute angle, the center of angle A is folding
Height.In some exemplary embodiments, the center line at the center with port 106 of angle A is aligned.In other exemplary embodiments
In, the center line of angle A is positioned such that it close to the center line of port 106 but need not be aligned with center line.In this reality
It applies in example, the center of angle A is positioned in relative to the center line of port 106 in the 10% of the diameter of port 106.For example, such as
The diameter of fruit port 106 is 0.25 ", then the center of angle A is aligned in ± the 0.025 of the center line of port " in.If these ends
The modified diameter (such as previously referenced) of mouth, then by the average of port diameter for determining the model being aligned as described above
It encloses.
As illustrated in fig. 1, electrode 107 is shorter and is threadedly fastened in coolant hose component.This configuration allows electricity
Pole 107 is relatively smaller and more easily replaces.Due to this configuration, in an exemplary embodiment of the present invention, electrode 107 can
With with length (from its distalmost end to most proximal end) in the range of the 4% to 20% of coolant hose component 100, in coolant
In the range of the 5% to 20% of the length of pipe 101 and in 5% to 20% range of the length of coolant clamper 105
It is interior.By these ratios, allow for the embodiment provides remarkable cutting performance and at the same time to corresponding portion
Part is respectively simply replaced and is aligned, as the described herein.That is, when needing replacing such as component of electrode 107,
The cooperation of the component (it can be replaced as individual unit) of clamper 105 and pipe 101 and construction ensure replacement appropriate.
Further, when needing replacing electrode 105, 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.In addition, coolant hose clamper 105 and coolant hose 101 can be remained and needed
A component of Shi Genghuan, which ensure that component keeps alignment in removal or replacement.
Electrode 107 can be including but not limited to copper, silver etc. made of the known materials for electrode.Further,
Due to the minification of electrode 107, there are significant cost reductions by only replacing electrode 107 of the present invention.
Fig. 3 depicts another aspect of the present invention, and this aspect has in the assembling of the component of component 100 and replacement process
Help ensure alignment appropriate and property placed in the middle.Definitely, Fig. 3 depicts the multiple thread configuration quickly coupled, the threaded configuration
On multiple and different components of welding torch component 100 and it can be used for the other component of welding torch.Such as hereinafter more fully
Description, the Design of Screw Thread use multiple heads and modification thread pitch, to assemble and replacement process in enhancing alignment and
Installation.
As previously described, in order to meet these it is often necessary to remove and replace the wearing terrain of cutting welding torch.Due to needing replacing component, pass through
The process is often desirably set to accelerate and ensure suitably to install and align replaced component simultaneously.Known welding torch component makes
It is used for bayonet thread design with normal single head Design of Screw Thread and some welding torch components.However, these Design of Screw Thread pass through
The prodigious number of turns is often needed to complete to install and increase the possibility of the error in screw thread rundown process, such as screw thread is wrong
Button.For example, in most applications, which no matter the replacement of threaded component may all be needed at the article is screwed 5 whole circles
To 10 whole circles.By with this big number of turns for component, increasing the possibility for making component screw thread mismatch, and/or draw
It plays component not fasten completely, this may cause leakage and/or undesirable component life.The embodiment of the present invention is by using more
Design of Screw Thread solves these problems, which is utilized now installation torque in need and screw thread stress, tie up simultaneously
Hold it is corresponding with known thread system apply force to matching part.
Fig. 3 depicts the exemplary embodiment of the electrode 300 of more Design of Screw Thread with the present invention.Definitely, electrode 300
With threaded portion 301, which has multiple independent and different thread path 303A, 303B and 303C.It is shown
Embodiment tool there are three different thread paths 303, but the other embodiment of the present invention can use more than three spiral shells
Lines diameter.For example, other exemplary embodiments can use 4 different thread paths, and other exemplary embodiments
Up to 5 different thread paths can be used.By using multiple thread paths, the embodiment of the present invention can be provided to portion
The simple and accurate replacement of part greatly makes being minimized to inclined and/or cross threading for component, at the same time provides required
It will be with the attachment force of desired application.The embodiment of the present invention is also by using notable less component complete rotation to deliver
Desired mating force, so that the replacement of component is faster and more consistent.For example, the embodiment of the present invention can only pass through portion
1 to 2 complete rotation of part provides the complete installation of component.In some exemplary embodiments, component can be passed through
1.25 to 1.5 complete rotations realize the complete installation of component.For example, in some applications, electrode of the invention can be only
It is installed by 1.25 to 1.5 complete rotations.It completes to install by using the rotation of these low quantity, substantially increase
Chance that is accurate and completely installing.
Therefore, the embodiment of the present invention can by ensure alignment appropriate, make cross threading or to inclined chance it is minimum
Change and ensures component (such as electrode 107) installation completely to provide the installation of high precision.By reducing needed for installing component
The number of rotations wanted, the embodiment of the present invention to be easily installed, and ensure that the complete installation of realization.Due to the present invention's
Advantage, can torch head assemblies using screw thread and especially those of on the component frequently replaced screw thread it is all
More threaded configurations are used on component.For example, screw thread 115,117 and 127 shown in FIG. 1 can respectively have as described above
More threaded configurations.Further, in addition to these components, embodiment can also weld this threaded configuration use in others
In torch component parts, such as Quick Release ring, interior maintenance lid and outer maintenance lid, electrode, coolant hose, clamper etc..Show as in Fig. 4
Going out, torch head is connected on welding torch pedestal by welding torch attachment ring 401, and outer maintenance lid 403 helps to make welding torch protective cover maintenance,
And interior maintenance lid 405 helps to make torch-tip maintenance.
Fig. 4 depicts the exemplary embodiment of the welding torch component 400 of the component 100 containing Fig. 1.Because of welding torch component 400
Other component be generally known, be not described in detail herein.Certainly, a variety of different embodiments of the invention are not
It is confined to welding torch component 400 as shown in Figure 4 or Fig. 1 and component shown in Fig. 2 100 configuration, and these are implemented
Example is intended to be exemplary.
Fig. 5 depicts the feature of a part for welding torch component 400 shown in Fig. 4.As shown, welding torch 400 has
The components such as cathode adaptor body 501, cathodic body 505, arc maintenance connector 509 and rear separator 513.Because these components with
And other torch components are generally known to those skilled in the art, it will not be discussed in detail herein.It is overall
On, in addition to range discussed below, the structure of torch component can be consistent with known welding torch configuration, because of the aspect of the present invention
It can be used for being combined with a variety of welding torch configurations.For example, as shown, the cooling tube in Fig. 5 be with the cooling tube in Fig. 4 not
Same configuration.Therefore, the embodiment of the present invention and architectural characteristic as shown in Figure 5 can be used for embodiment shown in Fig. 4,
And vice versa.
As explained briefly above, in the operation of welding torch 400 and its component or installation process, liquid coolant may be
It is revealed around some parts, this may be harmful in the service life of welding torch and its individual component and operation.In addition, in operating process
In protective gas may also be caused to reveal, this will cause protective gas pressure decline-this cutting when may be harmful.Cause
This, the embodiment of the present invention significantly improves the close of welding torch 400 and its component using a variety of different sealings and sealing mechanism
Envelope.This is explained in greater detail about Fig. 5 and Fig. 6.
As shown in fig. 5, welding torch 400 includes cathode adaptor body 501, and cathodic body 505 is coupled and fastens
Onto the cathode adaptor body.Because in some welding torches construction, cathode adaptor body 501 may expose in operation
It is exposed to coolant, it is possible to desirably provide sufficient sealing for this component.The embodiment of the present invention passes through in cathode
501 ' the place of connection end of adaptor body 501 provides at least two sealant rings 502,503 (for example, O-ring) to reach this
Purpose.These sealant rings are respectively shelved in the individual channel in the surface for being formed on cathode adaptor body 501, this
Allow these rings are appropriate to take a seat.The connection end of ontology 501 is and the cathodic body of cathode adaptor body 501 505
The opposite end in the end that connects.Further, as shown in fig. 6, at least two O-ring from center line to center line with
Distance D2 is separated from each other.In an exemplary embodiment of the present invention, total length Ls 2 of the distance D2 in cathode adaptor body 501
2% to 90% range in.In other exemplary embodiments, distance D2 is in 2% to 25% range of total length L 2.
This size provides the oplimal Location of sealing ring, so that it is guaranteed that maintaining sealing appropriate during operation and component failure.
By maintaining this relationship, the embodiment of the present invention that can provide the increasing to the cathode adaptor body 501 in welding torch component 400
Strong sealing.Definitely, it is fitted when connected when cathode adaptor body 501 is coupled to (coolant fluid is passed through), this
The embodiment of invention provides the sealing of enhancing and can fully resist the pressure being subjected in coolant fluid flowing.At this
In the exemplary embodiment of invention, sealant ring 502 and 503 is identical.However, in other exemplary embodiments, ring 502
It can be of different sizes/characteristic with 503 so that they provide different crushing resistances.
Further, as shown in fig. 5 and fig., cathodic body 505 has the center for being positioned in its total length L 3
At least two neighbouring sealant rings 506,507 (for example, O-ring).These sealant rings 506,507 are leaked in coolant again
Or the sealing of enhancing is provided in the event overflowed and protects the component of welding torch 400.These sealant rings 506,507 are respectively shelved
In individual channel in the surface for being formed on cathodic body 505, this allows these rings are appropriate to take a seat.As in figure 6
It shows, these rings 506,507 are mutually positioning by distance D3 from center line to center line.Overall lengths of the distance D3 in cathodic body
It spends in 2% to 50% range of L3.In other exemplary embodiments, distance D3 cathodic body total length 2% to
In 12% range.This size provides the oplimal Location of sealing ring, so that it is guaranteed that being tieed up during operation and component failure
Hold sealing appropriate.In addition, 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 located in the immediate vicinity of the total length L 3 of cathodic body.In an exemplary embodiment of the present invention, these rings 506 and 507 quilts
It is 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 10% of the total length L 3 of cathodic body 505.For example, if cathodic body 505 is 5 in length ", the center of distance D3
The center for being oriented to leave the length L3 of cathodic body 505 is not more than 0.5 ".Ring 506,507 is located in welding torch 400 by this
At interior optimal location.In an exemplary embodiment of the present invention, sealant ring 506 and 507 is identical.However, 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., the embodiment of the present invention uses at least two on arc maintenance connector 509
Sealant ring 510 and 511.Arc maintenance connector 509 is used to help to generate arc maintenance in the operating process of welding torch 400.Because it makes
With being generally known with operation, the details of arc maintenance connector will be discussed in detail herein.These sealant rings
510, it 511 is respectively shelved in the individual channel in the surface for being formed on arc maintenance connector 509, this allows these rings appropriate
Take a seat.As shown, in the exemplary embodiment, which is positioned in arc maintenance connector 509
Intermediate region 509' on, wherein intermediate region 509' have arc maintenance connector 509 maximum gauge.As shown in fig. 6,
Ring 510 and 511 is oriented distance D1 apart, wherein distance D1 arc maintenance connector 509 total length L 1 2% to
In 90% range.In other exemplary embodiments, distance D1 is in 2% to 50% range of total length L 1.This ruler
The very little oplimal Location for providing sealing ring, so that it is guaranteed that maintaining sealing appropriate 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 for the length that arc maintenance connector 509 is left at the center for obtaining distance D1 is not more than the total length L 1 of arc maintenance connector 509
20%.For example, if arc maintenance connector is 4 in length ", the center of distance D1 will be oriented to leave arc maintenance connector 509
The center C of length L1 be not more than 0.8 ".At this optimal location that ring 510,511 is located in welding torch 400.The present invention's
In exemplary embodiment, sealant ring 510 and 511 is identical.However, 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 discuss, welding torch 400 utilizes rear separator 513, and the rear separator is by cathode
Ontology 505 is separated from anode body 519.Effect of 519 starting of anode body to the shell of the nozzle of welding torch, and after separate
Device 513 helps to guide fluid (such as coolant) and accommodates the cathodic body of welding torch.As shown, showing in the present invention
In example property embodiment, rear separator 513 has at least four be positioned on the outer surface of rear separator 513 individually sealing
Agent ring 514,515,516 and 517.These sealant rings 514,515,516 and 517 are respectively shelved on and are formed on rear separator
In individual channel in 513 surface, this allows these rings are appropriate to take a seat.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 screwed ring separator 521.Screwed ring separator 521 contribute to the protective cover for making welding torch and outer cover from
Anode body and nozzle separate.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 of a little rings corresponding (center line is to center line) is separated by distance D4, and the distance is total rear separator 513
In 2% to 50% range of length L4.In other exemplary embodiments, distance D4 in total length L 4 2% to 16%
In range.This size provides the oplimal Location of sealing ring, so that it is guaranteed that remaining appropriate during operation and component failure
Sealing.That is, each of ring organize 514/515 and 516/517 be by identical distance D4 separate (in each pair of phase
The distance between Ying Huan).However, 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.However, in other exemplary embodiments, ring
514,515,516 and 517/characteristic can be of different sizes so that they provide different crushing resistances.
Although describing the theme of the application with reference to some embodiments, it will be appreciated, however, by one skilled in the art that not
In the case of the range for being detached from theme, various changes can be carried out, and equivalents can be replaced.Furthermore, it is possible to carry out being permitted
It is change so that particular situation or material adapt to the teachings of theme without departing from its range more.Therefore, it is intended to, it is main
Topic content is not only restricted to disclosed specific embodiment, and subject content is by all implementations including falling within the scope of the present application
Example.
Reference number
100 component, 141 surface
101 surfaces coolant hose 141A
102 channel, 300 electrode
103 distal opening, 303 thread path
The 104 channels paths 303A
105 paths coolant hose clamper 303B
106 paths outlet port 303C
107 electrode 400 (welding torch) components
108 inner surface, 401 ring
108A grooves 403 cover
109 channel, 501 adaptor body
110 outer surfaces 501 ' connect end
111 gap, 502 ring
115 screw thread, 503 ring
117 screw thread, 505 cathodic body
119 fastening part, 505 ' region
506 ring of the parts 119A
120 end surface, 507 ring
122 distal surface, 509 arc maintenance connector
123 steady component, 509 ' intermediate region
123A 510 rings of outer land surfaces
511 ring of surface angled 123B
Separator after 127 screw threads 513
130 O-rings 513 ' separator afterwards
133 undercut portion, 514 ring
140 extension, 515 ring
516 ring D3 distances
517 ring D4 distances
519 anode body L length
521 ring separator L1 length
A angles/center L2 length
The centers C L3 length
D1 distance L4 length
D2 distances
Claims (32)
1. a kind of plasma arc torch (100,400), including：
One cathode adaptor body (501), the cathode adaptor body have be formed on the cathode adaptor body the
At least two first sealant channels on the outer surface of one end are accordingly to receive at least two first sealant rings, this is extremely
Few two the first sealant channels are separated from each other with the first distance, and first distance is in the cathode adaptor body (501)
In percent the 2 of total length to percent 90 range；
A cathodic body (505) being coupled in the second end of the cathode adaptor body (501), the cathodic body
(505) have at least two second sealant channels being formed on the outer surface of the cathodic body (505) accordingly to connect
Receive at least two second sealant rings, which is separated from each other with second distance, this second away from
In range from percent 2 to percent 50 of the total length in the cathodic body (505)；
One arc maintenance connector (509), which, which has, is formed on the outer surface of the arc maintenance connector (509)
Accordingly to receive at least two third sealant rings, at least two thirds sealant is logical at least two third sealant channels
Road is separated from each other with third distance, the third distance the arc maintenance connector (509) total length 2 to percent percent
In 90 range；And
Separator (513,513') after one, the rear separator separate the cathodic body (505) and an anode body (519)
It opens, which has
At least two the 4th sealant channels, at least two the 4th sealant channel are formed on the outer surface of the rear separator
On accordingly to receive at least two the 4th sealant rings, at least two the 4th sealant ring and the anode body (518)
Inner surface engages, and at least two the 4th sealant channel is separated from each other with the 4th distance, and the 4th distance is after this
In percent the 2 of the total length of separator (513,513') to percent 50 range, and
At least two the 5th sealant channels, at least two the 5th sealant channel be formed on the rear separator (513,
Accordingly to receive at least two the 5th sealant rings on outer surface 513'), at least two the 5th sealant ring and one
The inner surface of ring separator (521) engages, and at least two the 5th sealant channel is separated from each other with the 5th distance, should
5th distance is in percent 2 to percent 50 range of the total length of the rear separator (513,513').
2. plasma arc torch (100,400) as described in claim 1, wherein first distance are in the cathode adapter sheet
In percent the 2 of the total length of body to percent 25 range, and/or
The wherein second distance in percent 2 to percent 12 range of the total length of the cathode adaptor body, and/or
The wherein third distance in percent 2 to percent 50 range of the total length of the arc maintenance connector, and/or
Wherein the 4th distance in percent 2 to percent 16 range of the total length of the rear separator, and/or
Wherein the 5th distance is in percent 2 to percent 16 range of the total length of the rear separator.
3. plasma arc torch (100,400) as described in claim 1, wherein at least two first sealant ring is O
Shape ring, and/or
Wherein at least two second sealant ring is O-ring, and/or
Wherein at least two thirds sealant ring is O-ring, and/or
Wherein at least two the 4th sealant ring is O-ring and/or at least two the 5th sealant ring is O-ring.
4. plasma arc torch (100,400) as claimed in claim 2, wherein at least two first sealant ring is O
Shape ring, and/or
Wherein at least two second sealant ring is O-ring, and/or
Wherein at least two thirds sealant ring is O-ring, and/or
Wherein at least two the 4th sealant ring is O-ring and/or at least two the 5th sealant ring is O-ring.
5. plasma arc torch (100,400) according to any one of claims 1 to 4, wherein this at least two first
Sealant ring has at least one of identical size and identical component, or wherein at least two first sealant ring has
At least one of different sizes and heterogeneity.
6. plasma arc torch (100,400) according to any one of claims 1 to 4, wherein the cathode adapter sheet
The first end of body (501) is opposite with the second end of the cathode adaptor body (501) on the flow direction of cooling fluid.
7. plasma arc torch (100,400) as claimed in claim 5, wherein the of the cathode adaptor body (501)
One end is opposite with the second end of the cathode adaptor body (501) on the flow direction of cooling fluid.
8. the plasma arc torch (100,400) as described in Claims 1-4, any one of 7, wherein this at least two
Two sealant rings have at least one of identical size and identical component, or
Wherein at least two second sealant ring has at least one of different sizes and heterogeneity.
9. plasma arc torch (100,400) as claimed in claim 5, the wherein at least two second sealant ring have
At least one of identical size and identical component, or
Wherein at least two second sealant ring has at least one of different sizes and heterogeneity.
10. plasma arc torch (100,400) as claimed in claim 6, the wherein at least two second sealant ring have
There are at least one of identical size and identical component, or
Wherein at least two second sealant ring has at least one of different sizes and heterogeneity.
11. the plasma arc torch (100,400) as described in Claims 1-4,7, any one of 9 to 10, wherein this
The center of two distances, the cathodic body (505) the distance between the center of total length be not more than the overall length of cathodic body (505)
Percent the 10 of degree.
12. plasma arc torch (100,400) as claimed in claim 5, wherein in the center of the second distance, the cathode
The distance between center of total length of ontology (505) no more than cathodic body (505) total length percent 10.
13. plasma arc torch (100,400) as claimed in claim 6, wherein in the center of the second distance, the cathode
The distance between center of total length of ontology (505) no more than cathodic body (505) total length percent 10.
14. plasma arc torch (100,400) as claimed in claim 8, wherein in the center of the second distance, the cathode
The distance between center of total length of ontology (505) no more than cathodic body (505) total length percent 10.
15. the plasma arc torch (100,400) as described in Claims 1-4,7,9 to 10, any one of 12 to 14,
In at least two thirds sealant ring there is at least one of identical size and identical component, or
Wherein at least two thirds sealant ring has at least one of different sizes and heterogeneity.
16. plasma arc torch (100,400) as claimed in claim 5, the wherein at least two thirds sealant ring have
There are at least one of identical size and identical component, or
Wherein at least two thirds sealant ring has at least one of different sizes and heterogeneity.
17. plasma arc torch (100,400) as claimed in claim 6, the wherein at least two thirds sealant ring have
There are at least one of identical size and identical component, or
Wherein at least two thirds sealant ring has at least one of different sizes and heterogeneity.
18. plasma arc torch (100,400) as claimed in claim 8, the wherein at least two thirds sealant ring have
There are at least one of identical size and identical component, or
Wherein at least two thirds sealant ring has at least one of different sizes and heterogeneity.
19. plasma arc torch (100,400) as claimed in claim 11, the wherein at least two thirds sealant ring have
There are at least one of identical size and identical component, or
Wherein at least two thirds sealant ring has at least one of different sizes and heterogeneity.
20. as described in Claims 1-4,7,9 to 10,12 to 14, any one of 16 to 19 plasma arc torch (100,
400), wherein being not more than dimension at the distance between the center of total length of the center of the third distance, the arc maintenance connector (509)
Percent the 20 of the total length of arc connector (509).
21. plasma arc torch (100,400) as claimed in claim 5, wherein in the center of the third distance, the arc maintenance
The distance between center of total length of connector (509) no more than arc maintenance connector (509) total length percent 20.
22. plasma arc torch (100,400) as claimed in claim 6, wherein in the center of the third distance, the arc maintenance
The distance between center of total length of connector (509) no more than arc maintenance connector (509) total length percent 20.
23. plasma arc torch (100,400) as claimed in claim 8, wherein in the center of the third distance, the arc maintenance
The distance between center of total length of connector (509) no more than arc maintenance connector (509) total length percent 20.
24. plasma arc torch (100,400) as claimed in claim 11, wherein in the center of the third distance, the dimension
The distance between center of total length of arc connector (509) no more than arc maintenance connector (509) total length percent 20.
25. plasma arc torch (100,400) as claimed in claim 15, wherein in the center of the third distance, the dimension
The distance between center of total length of arc connector (509) no more than arc maintenance connector (509) total length percent 20.
26. the plasma arc welding as described in Claims 1-4,7,9 to 10,12 to 14,16 to 19, any one of 21 to 25
Torch (100,400), the wherein the 4th distance are equal to the 5th distance, or
Wherein the 4th distance is not equal to the 5th distance.
27. plasma arc torch (100,400) as claimed in claim 5, the wherein the 4th distance is equal to the 5th distance,
Or
Wherein the 4th distance is not equal to the 5th distance.
28. plasma arc torch (100,400) as claimed in claim 6, the wherein the 4th distance is equal to the 5th distance,
Or
Wherein the 4th distance is not equal to the 5th distance.
29. plasma arc torch (100,400) as claimed in claim 8, the wherein the 4th distance is equal to the 5th distance,
Or
Wherein the 4th distance is not equal to the 5th distance.
30. plasma arc torch (100,400) as claimed in claim 11, the wherein the 4th distance be equal to the 5th away from
From, or
Wherein the 4th distance is not equal to the 5th distance.
31. plasma arc torch (100,400) as claimed in claim 15, the wherein the 4th distance be equal to the 5th away from
From, or
Wherein the 4th distance is not equal to the 5th distance.
32. plasma arc torch (100,400) as claimed in claim 20, the wherein the 4th distance be equal to the 5th away from
From, 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 CN106068680A (en) | 2016-11-02 |
| CN106068680B true 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10917961B2 (en) * | 2017-09-13 | 2021-02-09 | Lincoln Global, Inc. | High temperature isolating insert 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120031881A1 (en) * | 2010-08-09 | 2012-02-09 | The Esab Group, Inc. | Blow-Back Plasma Arc Torch With Shield Fluid-Cooled Electrode |
-
2015
- 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
- 2015-03-09 WO PCT/IB2015/000297 patent/WO2015132657A1/en active Application Filing
- 2015-03-09 CN CN201580011818.6A patent/CN106068680B/en active Active
Patent Citations (6)
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106068680A (en) | 2016-11-02 |
| JP2017514267A (en) | 2017-06-01 |
| JP6227800B2 (en) | 2017-11-08 |
| EP3114907B1 (en) | 2018-02-28 |
| PL3114907T3 (en) | 2018-07-31 |
| WO2015132657A1 (en) | 2015-09-11 |
| EP3114907A1 (en) | 2017-01-11 |
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