CN109954960A - A kind of conduction nozzle assembly - Google Patents
A kind of conduction nozzle assembly Download PDFInfo
- Publication number
- CN109954960A CN109954960A CN201711442637.6A CN201711442637A CN109954960A CN 109954960 A CN109954960 A CN 109954960A CN 201711442637 A CN201711442637 A CN 201711442637A CN 109954960 A CN109954960 A CN 109954960A
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- CN
- China
- Prior art keywords
- clamping sleeve
- nozzle assembly
- sleeve
- welding wire
- conduction nozzle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/26—Accessories for electrodes, e.g. ignition tips
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a kind of conductive nozzle assemblies, belong to welding field.The conduction nozzle assembly includes: the conductive contact, clamping sleeve, gripping sleeve for passing through welding wire.Wherein, the upper end of conductive contact and the lower end of conducting rod connect.Clamping sleeve is axially displaceably set on conductive contact.The upper end of gripping sleeve offsets with clamping sleeve, and the lower end of lower end and clamping sleeve is arranged to compatible chamfering structure.When clamping sleeve moves upwards, make the lower end undergauge of gripping sleeve, to clamp welding wire.Gripping sleeve is sequentially communicated with large diameter hole, transitional pore, diameter holes from top to bottom.Chamfering structure is arranged on outer wall corresponding with diameter holes.Conduction nozzle assembly provided by the invention can use gripping sleeve and clamp welding wire, avoid welding wire and shake in operation process when clamping sleeve moves up, to influence its position for being precisely directed to need to weld.
Description
Technical field
The present invention relates to welding field, in particular to a kind of conductive nozzle assembly.
Background technique
The features such as welding gun is easy to operate, at low cost based on its is widely used in submerged welding process, in application, by welding wire
It is sent constantly into welding gun by wire-feed motor, the high current and high voltage that welding gun is provided using welding machine generate heat, and by the heat
It is gathered in its tail end, to melt the welding wire for being located at welding gun tail end, the welding wire melted is made to penetrate into the position that to-be-welded pieces need to weld
It sets.In the process, the position in order to guide welding wire to be precisely directed to need to weld, it is necessary to be used in the tail end installation of welding gun
The ignition tip of righting welding wire.
The prior art provides a kind of tubular conductive mouth, the tubular conductive mouth and is arranged under the conducting rod of welding gun tail end
End connection, the conducting rod is axially disposed the welding wire via hole being connected to the tubular conductive mouth.In order to guarantee that welding wire can be smooth
It is sent into tubular conductive mouth, the outer diameter of welding wire is generally 0.2mm-0.4mm smaller than the internal diameter of tubular conductive mouth.Carrying out welding work
When industry, welding wire is constantly sent into welding gun, and is pierced by it from the lower end of the tubular conductive mouth.In the process, welding wire is dry
Elongation is 25mm-40mm.Wherein, dry extension of electrode refers to the total length that welding wire is stretched out from the bottom end of tubular conductive mouth).
The inventor finds that the existing technology has at least the following problems:
The internal diameter for the tubular conductive mouth that the prior art provides is 0.2mm-0.4mm bigger than the outer diameter of welding wire, is easy to cause welding wire
It shakes in operation process, to influence the position that its alignment needs to weld.If the internal diameter of tubular conductive mouth is reduced,
It then will affect the smooth decentralization of welding wire.
Summary of the invention
The embodiment of the invention provides a kind of conductive nozzle assemblies, can solve above-mentioned technical problem.Specific technical solution is as follows:
A kind of conduction nozzle assembly, the conduction nozzle assembly include: the conductive contact, clamping sleeve, folder for passing through welding wire
It is fixed；
The upper end of the conductive contact and the lower end of conducting rod connect；
The clamping sleeve is axially displaceably set on the conductive contact；
The upper end of the gripping sleeve offsets with the clamping sleeve；
The lower end of the gripping sleeve and the lower end of the clamping sleeve are arranged to compatible chamfering structure；
When the clamping sleeve moves upwards, make the lower end undergauge of the gripping sleeve, to clamp the welding wire；
The gripping sleeve is sequentially communicated with large diameter hole, transitional pore, diameter holes from top to bottom；
The chamfering structure is arranged on outer wall corresponding with the diameter holes.
In a kind of possible design, the gripping sleeve is elastic material.
In a kind of possible design, the conductive contact includes: the first linkage section and the second linkage section；
First linkage section is connect with the conducting rod；
Second linkage section is threadedly coupled with the clamping sleeve.
In a kind of possible design, the clamping sleeve includes: ontology, the connector held on the body is arranged；
The connector is threadedly coupled mode and is sheathed on inside second linkage section.
In a kind of possible design, the outer diameter of the ontology is greater than the internal diameter of second linkage section.
In a kind of possible design, the conduction nozzle assembly further include: elastic component, the elastic component are set in the pressure
In fixed, and both ends offset with the conductive contact and the gripping sleeve respectively.
In a kind of possible design, the conduction nozzle assembly further include: the insulation tube for passing through the welding wire, if
It sets in the lower end of the clamping sleeve.
In a kind of possible design, the conduction nozzle assembly further include: the sheath being fixedly set on the insulation tube,
And upper end is connect with the lower end of the clamping sleeve.
In a kind of possible design, the upper end of the sheath is connect with the lower thread of the clamping sleeve.
Technical solution provided in an embodiment of the present invention has the benefit that
Conduction nozzle assembly provided in an embodiment of the present invention, by the way that conductive contact is arranged, realize conducting rod and clamping sleeve it
Between connection.By setting clamping sleeve and gripping sleeve, and it is set in clamping sleeve axially displaceably on conductive contact, gripping sleeve
In clamping sleeve.By the way that compatible chamfering structure is arranged on the lower end of clamping sleeve and the outer wall of diameter holes, can press
It is fixed when moving upwards, axial compressive force is applied to gripping sleeve, makes the lower end of gripping sleeve that undergauge can occur, to clamp welding wire, avoids
Welding wire shakes in operation process, to influence its position for being precisely directed to need to weld.By setting large diameter hole,
Transitional pore, diameter holes can make welding wire be rapidly introduced into diameter holes after being sent into conductive nozzle assembly, improve operating efficiency.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the diagrammatic cross-section of conductive nozzle assembly provided in an embodiment of the present invention；
Fig. 2 is the schematic cross-section of gripping sleeve provided in an embodiment of the present invention.
Appended drawing reference respectively indicates:
1 conductive contact,
101 first linkage sections,
102 second linkage sections,
2 clamping sleeves,
201 ontologies,
202 connectors,
3 gripping sleeves,
301 large diameter holes,
302 transitional pores,
303 diameter holes,
4 elastic components,
5 insulation tubes,
6 sheaths,
M conducting rod,
X welding wire.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
The embodiment of the invention provides a kind of conductive nozzle assemblies, and as shown in Fig. 1, which includes: for making
Conductive contact 1 that welding wire X is passed through, clamping sleeve 2, gripping sleeve 3.Wherein, the upper end of conductive contact 1 is connect with the lower end of conducting rod M.
Clamping sleeve 2 is axially displaceably set on conductive contact 1.The upper end of gripping sleeve 3 offsets with clamping sleeve 2, lower end and clamping sleeve 2
Lower end be arranged to compatible chamfering structure.When clamping sleeve 2 moves upwards, make the lower end undergauge of gripping sleeve 3, to clamp weldering
Silk X.Gripping sleeve 3 is sequentially communicated with large diameter hole 301, transitional pore 302, diameter holes 303 from top to bottom, referring to attached drawing 2.The chamfering knot
Structure is arranged on outer wall corresponding with diameter holes 303.
When carrying out weld job, welding wire X is sequentially sent into welding gun, conducting rod M, conductive contact 1, large diameter hole from top to bottom
301, transitional pore 302, diameter holes 303, in clamping sleeve 2, and be pierced by its part from the lower end of clamping sleeve 2.It is understood that
Above-mentioned wire feed process can be realized by wire-feed motor.
At this point, having gap between gripping sleeve 3 and welding wire X, clamping sleeve 2 is moved up, the lower end undergauge of gripping sleeve 3 is made,
To clamp welding wire X.Then, normal weld job is carried out using the conduction nozzle assembly.
Conduction nozzle assembly provided in an embodiment of the present invention realizes conducting rod M and clamping sleeve by the way that conductive contact 1 is arranged
Connection between 2.By setting clamping sleeve 2 and gripping sleeve 3, and clamping sleeve 2 is made axially displaceably to be set in conductive contact 1
On, gripping sleeve 3 is located in clamping sleeve 2.By be arranged on the outer wall of lower end in clamping sleeve 2 and diameter holes 303 it is compatible fall
Corner structure can apply axial compressive force to gripping sleeve 3, make the lower end of gripping sleeve 3 that can contract when clamping sleeve 2 is moved upwards
Diameter avoids welding wire X and shakes in operation process to clamp welding wire X, so that influencing it is precisely directed to what needs welded
Position.By the way that large diameter hole 301, transitional pore 302, diameter holes 303 is arranged, welding wire X can be made quick after being sent into conductive nozzle assembly
Ground enters diameter holes 303, improves operating efficiency.
Wherein, " chamfering structure " can be set as follows: the lower end of gripping sleeve 3 is provided with the first chamfering, the bottom of clamping sleeve 2
Wall is provided with the second chamfering compatible with the first chamfering.
When clamping sleeve 2 moves upwards, axial compressive force is applied with to gripping sleeve 3.Since the lower end of gripping sleeve 3 is provided with
One chamfering, the bottom wall of clamping sleeve 2 are provided with the second chamfering compatible with the first chamfering, and therefore, the lower end of gripping sleeve 3 can occur
Undergauge, to clamp welding wire X.
Wherein, the angle of the first chamfering and the second chamfering can be 50 ° -70 °, for example, the angle can for 55 °,
60 °, 65 ° etc..The angle of two chamferings may be the same or different, as long as guaranteeing the two after by opposite extruding force
Welding wire X can be clamped.
The structure of transitional pore 302 can be a variety of, for example, it can be inverted round stage shape, rectangular pyramid etc., as long as protecting
Card welding wire X can be rapidly introduced into diameter holes 303 after being sent into conductive nozzle assembly.
Clamping sleeve 2 can be set in conductive contact 1, can also be set in outside conductive contact 1, as long as guaranteeing clamping sleeve 2
It can be moved axially along conductive contact 1.
The material of conducting rod M and conductive contact 1 is a variety of, for example, it can be chromium-zirconium-copper, tin bronze, beryllium copper etc.
Cu alloy material, to guarantee the intensity and conductivity of conducting rod M and conductive contact 1.
Gripping sleeve 3 can be the Cu alloy materials such as tungsten copper, chromium-zirconium-copper, to guarantee the conduction of conducting rod M and conductive contact 1
Rate and wearability.
Clamping sleeve 2 and gripping sleeve 3 can be set to elastic construction, to be further ensured that before weld job, 3 energy of gripping sleeve
It is enough to clamp welding wire X.
In order to guarantee that conductive contact 1 connect fastening with conducting rod M and clamping sleeve 2 respectively, as shown in Fig. 1, conductive contact 1
It include: the first linkage section 101 and the second linkage section 102.Wherein, the first linkage section 101 is threadedly coupled with conducting rod M.Second connects
Section 102 is connect to connect with clamping sleeve 2.
Wherein, it is provided with external screw thread on the outer wall of the first linkage section 101, is provided on the inner wall of conducting rod M and the outer spiral shell
The compatible internal screw thread of line；
For the ease of realizing being fastenedly connected for conductive contact 1 and clamping sleeve 2, at the same it is easy to disassemble.As shown in attached drawing 1, pressure
Fixed 2 include: ontology 201, the connector 202 that 201 upper end of ontology is arranged in, wherein connector 202 is threadedly coupled mode set
Inside the second linkage section 102.
Wherein, 102 lower end of the second linkage section is provided with internal thread groove, is provided on the outer wall of connector 202 and the interior spiral shell
The compatible external screw thread of groove.
Further, for the ease of limiting to ontology 201, clamping sleeve 2 is avoided to move upwards excessively, so as to cause folder
The clamping force of fixed 3 couples of welding wire X is excessive, damages welding wire X.The outer diameter of ontology 201 is set greater than in the second linkage section 102
Diameter.
For the ease of adjustment gripping sleeve 3 to the clamping force of welding wire X, it can either guarantee that gripping sleeve 3 can clamp welding wire X,
It again can be to avoid the excessive damage welding wire X of clamping force.As shown in Fig. 1, conduction nozzle assembly further include: elastic component 4.The elastic component
4 are set in clamping sleeve 2, and both ends offset with conductive contact 1 and gripping sleeve 3 respectively.
It is moved upwards in clamping sleeve 2, when gripping sleeve 3 being made to clamp welding wire X, elastic component 4 is constantly compressed, thus along axial hair
Raw elastic deformation.In order to adjust gripping sleeve 3 to the clamping force of welding wire X, the distance that clamping sleeve 2 moves upwards can control.Specifically
Ground, the distance that clamping sleeve 2 moves upwards is longer, and elastic component 4 is compressed more serious, and gripping sleeve 3 gets over the clamping force of welding wire X
Greatly., whereas if gripping sleeve 3 is excessive to the clamping force of welding wire X, staff then can control clamping sleeve 2 and move downward.
Wherein, elastic component 4 can be set in the top of clamping sleeve 2.
Further, in order to which while guaranteeing operation effectiveness, save the cost is easily installed, elastic component 4 can be arranged
For spring.It is understood that spring is positioned axially between conductive contact 1 and gripping sleeve 3, and welding wire X is from spring
Portion passes through.
In embodiments of the present invention, as shown in Fig. 1, conduction nozzle assembly further include: exhausted for passing through welding wire X
The lower end of clamping sleeve 2 is arranged in edge pipe 5.
By the lower end of clamping sleeve 2 be arranged insulation tube 5, can increase dry extension of electrode (i.e. the bottom end of gripping sleeve 3 to
The distance between weldment), play the role of righting to the welding wire X of 3 lower section of gripping sleeve, avoids welding wire X in operation process
It shakes, so that the position that to-be-welded pieces need to weld can not be directed at.At this point, dry extension of electrode is 70mm-120mm, citing
For, it can be 75mm, 80mm, 100mm etc..Length by lengthening welding wire X stem elongation can increase welding current and weld
The resistance heat generated on silk X, preheats welding wire X, mentions unit welding current welding wire melting rate than the prior art
High 50-100%.As it can be seen that conduction nozzle assembly provided by the invention may be implemented more efficiently to weld, especially can significantly drop
Low weld heat input improves welding point low-temperature impact toughness.
It is understood that, as welding wire X is sent constantly into ignition tip component, electric current is logical when carrying out weld job
The bottom end for crossing gripping sleeve 3 improves the resistance heat of welding wire X by the increase of dry extension of electrode to welding wire X transmitting heat, makes to weld
Silk X can be admitted to the arc region of the decentralization of insulation tube 5 again after the bottom end of gripping sleeve 3 is preheated to very high temperature.As it can be seen that this
The conductive nozzle assembly that inventive embodiments provide improves the thawing speed of welding wire X under the premise of not increasing thermal weld stress, into
And weld heat input is reduced, effectively improve metallographic structure, the mechanical property of to-be-welded pieces and heat affected area.
Conduction nozzle assembly provided in an embodiment of the present invention can be reduced compared to the weld heat input of same wall thickness to-be-welded pieces
10%-30%, for example, 15%, 20% etc. can be reduced.
Wherein, dry extension of electrode can be adjusted by adjusting the length of insulation tube 5.
While in order to guarantee that insulation may be implemented in insulation tube 5, also there is preferably intensity, heat-resisting quantity and wearability,
It can set insulation tube 5 to the ceramic tube of high-compactness, high alumina material.
It is understood that needing to process insulation tube 5 if insulation tube 5 is connect with the lower end of clamping sleeve 2
(such as processing screw thread on insulation tube 5), it is not only bothersome laborious, but also higher cost.Therefore, for the ease of insulation tube 5 is installed
In the lower end of clamping sleeve 2, while save the cost.As shown in Fig. 1, conduction nozzle assembly further include: be fixedly set in insulation tube 5
On sheath 6.And the upper end of the sheath 6 is connect with the lower end of clamping sleeve 2.
Wherein, sheath 6 can be set to metal material, to guarantee it with enough intensity, to support the insulation tube 5.
In order to guarantee that sheath 6 connect fastening with clamping sleeve 2, at the same it is easy to disassemble, by the upper end of sheath 6 and clamping sleeve 2
Lower thread connection.Wherein, the upper end of sheath 6 is provided with internal screw thread groove, and it is recessed that the lower end of clamping sleeve 2 is provided with the internal screw thread
The compatible external screw thread of slot.
To sum up, conductive nozzle assembly provided in an embodiment of the present invention can be applied in a variety of welding procedures, for example, its
It can be adapted in the consumable electrodes welding procedure such as submerged-arc welding, gas shielded arc welding, non gas shielded welding, also can be applied to argon arc welding, swash
In the non-melt poles welding procedure such as photoreactivation weldering, plasma arc welding (PAW).Specifically, it in multi-wire submerged-arc welding technique, can be directed to
Different welding wire X can also be selected all using the conductive nozzle assembly in the embodiment of the present invention according to the actual requirement of welding procedure
It selects part and uses the conductive nozzle assembly in the embodiment of the present invention.
The foregoing is merely presently preferred embodiments of the present invention, the protection scope being not intended to limit the invention, all in this hair
Within bright spirit and principle, any modification, equivalent replacement, improvement and so on should be included in protection scope of the present invention
Within.
Claims (9)
1. a kind of conduction nozzle assembly, which is characterized in that the conduction nozzle assembly includes: that the conduction for passing through welding wire (X) connects
Head (1), clamping sleeve (2), gripping sleeve (3)；
The upper end of the conductive contact (1) is connect with the lower end of conducting rod (M)；
The clamping sleeve (2) is axially displaceably set on the conductive contact (1)；
The upper end of the gripping sleeve (3) offsets with the clamping sleeve (2), and the lower end of lower end and the clamping sleeve (2) is arranged to phase
The chamfering structure of adaptation；
When the clamping sleeve (2) moves upwards, make the lower end undergauge of the gripping sleeve (3), to clamp the welding wire (X)；
The gripping sleeve (3) is sequentially communicated with large diameter hole (301), transitional pore (302), diameter holes (303) from top to bottom；
The chamfering structure is arranged on outer wall corresponding with the diameter holes (303).
2. conduction nozzle assembly according to claim 1, which is characterized in that the gripping sleeve (3) is elastic material.
3. conduction nozzle assembly according to claim 1, which is characterized in that the conductive contact (1) includes: the first linkage section
(101) and the second linkage section (102)；
First linkage section (101) is threadedly coupled with the conducting rod (M)；
Second linkage section (102) connect with the clamping sleeve (2).
4. conduction nozzle assembly according to claim 1, which is characterized in that the clamping sleeve (2) includes: ontology (201), sets
Set the connector (202) in the ontology (201) upper end；
It is internal that connector (202) mode of being threadedly coupled is sheathed on second linkage section (102).
5. conduction nozzle assembly according to claim 4, which is characterized in that the outer diameter of the ontology (201) is greater than described the
The internal diameter of two linkage sections (102).
6. conduction nozzle assembly according to claim 1, which is characterized in that the conduction nozzle assembly further include: elastic component
(4), the elastic component (4) is set in the clamping sleeve (2), and both ends respectively with the conductive contact (1) and the clamping
Set (3) offsets.
7. conduction nozzle assembly according to claim 1, which is characterized in that the conduction nozzle assembly further include: for making
The insulation tube (5) that welding wire (X) passes through is stated, is arranged in the lower end of the clamping sleeve (2).
8. conduction nozzle assembly according to claim 7, which is characterized in that the conduction nozzle assembly further include: fixed suit
Sheath (6) on the insulation tube (5), and, upper end is connect with the lower end of the clamping sleeve (2).
9. conduction nozzle assembly according to claim 8, which is characterized in that the upper end of the sheath (6) and the clamping sleeve
(2) lower thread connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711442637.6A CN109954960A (en) | 2017-12-26 | 2017-12-26 | A kind of conduction nozzle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711442637.6A CN109954960A (en) | 2017-12-26 | 2017-12-26 | A kind of conduction nozzle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109954960A true CN109954960A (en) | 2019-07-02 |
Family
ID=67022837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711442637.6A Pending CN109954960A (en) | 2017-12-26 | 2017-12-26 | A kind of conduction nozzle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109954960A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114192945A (en) * | 2021-12-31 | 2022-03-18 | 武昌船舶重工集团有限公司 | Conducting device |
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|---|---|---|---|---|
| JPS59110167U (en) * | 1983-01-18 | 1984-07-25 | 日本鋼管株式会社 | Welding wire energizing tip |
| JP2004188489A (en) * | 2002-12-13 | 2004-07-08 | Daido Steel Co Ltd | Arc welding apparatus |
| JP2010201431A (en) * | 2009-02-27 | 2010-09-16 | Nissan Motor Co Ltd | Contact tip for supplying welding power, and method of supplying power |
| JP2013066908A (en) * | 2011-09-22 | 2013-04-18 | Panasonic Corp | Welding contact tip |
| CN103586570A (en) * | 2013-11-27 | 2014-02-19 | 杨迎元 | Consumable electrode inert-gas shielded welding conductive nozzle |
| CN107000105A (en) * | 2014-12-25 | 2017-08-01 | 新光机器株式会社 | Welding contact tip |
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2017
- 2017-12-26 CN CN201711442637.6A patent/CN109954960A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59110167U (en) * | 1983-01-18 | 1984-07-25 | 日本鋼管株式会社 | Welding wire energizing tip |
| JP2004188489A (en) * | 2002-12-13 | 2004-07-08 | Daido Steel Co Ltd | Arc welding apparatus |
| JP2010201431A (en) * | 2009-02-27 | 2010-09-16 | Nissan Motor Co Ltd | Contact tip for supplying welding power, and method of supplying power |
| JP2013066908A (en) * | 2011-09-22 | 2013-04-18 | Panasonic Corp | Welding contact tip |
| CN103586570A (en) * | 2013-11-27 | 2014-02-19 | 杨迎元 | Consumable electrode inert-gas shielded welding conductive nozzle |
| CN107000105A (en) * | 2014-12-25 | 2017-08-01 | 新光机器株式会社 | Welding contact tip |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114192945A (en) * | 2021-12-31 | 2022-03-18 | 武昌船舶重工集团有限公司 | Conducting device |
| CN114192945B (en) * | 2021-12-31 | 2023-06-23 | 武昌船舶重工集团有限公司 | Conductive device |
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Application publication date: 20190702 |