CN211387393U - Nuclear fuel assembly framework automatic spot welding machine, electrode and welding gun assembly - Google Patents
Nuclear fuel assembly framework automatic spot welding machine, electrode and welding gun assembly Download PDFInfo
- Publication number
- CN211387393U CN211387393U CN201921629628.2U CN201921629628U CN211387393U CN 211387393 U CN211387393 U CN 211387393U CN 201921629628 U CN201921629628 U CN 201921629628U CN 211387393 U CN211387393 U CN 211387393U
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- welding
- spot welder
- electrode
- spot
- welding gun
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- 238000003466 welding Methods 0.000 title claims abstract description 133
- 239000003758 nuclear fuel Substances 0.000 title claims abstract description 18
- 210000002356 Skeleton Anatomy 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 3
- 210000001847 Jaw Anatomy 0.000 claims 2
- 229910052790 beryllium Inorganic materials 0.000 claims 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium(0) Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims 1
- -1 cobalt copper Chemical compound 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 abstract description 8
- 239000010949 copper Substances 0.000 abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 241000755266 Kathetostoma giganteum Species 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching Effects 0.000 description 1
- 238000004642 transportation engineering Methods 0.000 description 1
Abstract
The utility model is suitable for a welding equipment field discloses a spot welder electrode, welder subassembly and nuclear fuel assembly skeleton automatic spot welder, wherein, spot welder electrode includes the connecting portion that is used for being connected with welder and the protruding welding part that locates connecting portion one end, and the welding part has the connection terminal surface that is connected with connecting portion and the welding terminal surface that is used for welding with the contact of welding piece to be welded back to connecting portion, and the welding terminal surface is the arc surface; the orthographic projection area of the connecting part on the connecting end surface is smaller than the area of the connecting end surface. The welding end surface of the utility model is designed into the arc surface, so that the electrode of the spot welding machine is not easy to stick copper when being used for welding, and the welded welding spot has regular shape, thereby being beneficial to improving the welding quality; furthermore, the utility model discloses a spot welder electrode is used for welding the great welding of treating of size efficient, and the size and the weight of spot welder electrode can not be too big, is suitable for spot welding nuclear fuel assembly skeleton.
Description
Technical Field
The utility model relates to a welding equipment field especially relates to a nuclear fuel assembly skeleton automatic spot welding machine and electrode, welder subassembly.
Background
In the prior art, the welding end face of an electrode of a nuclear fuel assembly framework automatic spot welding machine is a plane, and when an electrode head of a flat-head spot welding machine is in contact with a piece to be welded during actual spot welding operation, the electrode in the shape is easy to adhere copper, so that the welding point is unqualified.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a spot welder electrode, it easily glues the technical problem of copper when aiming at solving spot welding operation.
In order to achieve the above purpose, the utility model provides a scheme is: a spot welder electrode comprises a connecting part and a welding part, wherein the connecting part is used for being connected with a welding gun, the welding part is convexly arranged at one end of the connecting part, the welding part is provided with a connecting end surface connected with the connecting part and a welding end surface back to the connecting part and used for being in contact welding with a to-be-welded part, and the welding end surface is an arc surface; the orthographic projection area of the connecting part on the connecting end surface is smaller than the area of the connecting end surface.
Optionally, a direction in which the welding portion extends toward the connecting portion is defined as a length extending direction, and a cross section obtained by cutting the welding portion in a direction perpendicular to the length extending direction is defined as a first cross section, and a shape of the first cross section includes any one of a circle, a polygon, and an ellipse.
Optionally, the first cross-section is rectangular, the welding portion has two first side edges disposed opposite to each other at intervals and two second side edges disposed opposite to each other at intervals, and the welding end surface extends from one of the first side edges to the other first side edge along an arc-shaped trajectory.
Furthermore, four vertex angles of the first cross section are all arranged in a rounded mode.
Further, the cross-sectional shape of the welded part may further include any one of a circle, a polygon, and an ellipse.
Optionally, a threaded hole for a bolt or a screw to be screwed in to connect the electrode of the automatic spot welding machine for the nuclear fuel assembly skeleton to a welding gun is formed in one end of the connecting portion, which faces away from the welding portion.
Optionally, the shape of the connecting portion is any one of a cylinder, a cone, or a polyhedron.
Optionally, the material of the connecting part and the material of the welding part are beryllium-cobalt-copper; and/or the presence of a gas in the atmosphere,
the welding part and the connecting part are of an integrally formed structure.
A second object of the utility model is to provide a welding gun subassembly, it includes welder and the foretell spot welder electrode of even number, welder includes the soldering turret, the spot welder electrode use two to install respectively for a set of in the double-phase offside of soldering turret.
Optionally, the number of the spot welder electrodes is four, the welding tongs have two first side portions arranged opposite to each other at intervals and two second side portions arranged opposite to each other at intervals, two of the spot welder electrodes are respectively arranged on the two first side portions in an aligned manner, and the other two spot welder electrodes are respectively arranged on the two second side portions in an aligned manner; and/or the presence of a gas in the atmosphere,
the welding gun is connected with the electrode of the spot welder through a screw or a bolt.
A third object of the present invention is to provide a nuclear fuel assembly skeleton spot welder, which comprises the above welding gun assembly, a controller for controlling the driving device of the welding gun assembly and the electric control device for controlling the electrode discharge of the nuclear fuel assembly skeleton spot welder.
The utility model provides a spot welder electrode, welder subassembly and nuclear fuel subassembly skeleton automatic spot welder through setting up the welding terminal surface into the arc surface, can be so that the difficult copper that glues when adopting this spot welder electrode to weld to make the solder joint shape rule that the welding comes out, and then do benefit to and improve welding quality. Furthermore, the utility model discloses a set up the orthographic projection area of connecting portion on the connection terminal surface into the area that is less than the connection terminal surface for the side direction overall dimension of connecting portion is less than the side direction overall dimension of weld part, like this, both done benefit to and improved the great welding efficiency who treats the welding piece of size through the weld part of great size, do benefit to again and reduce spot welder electrode's size and weight through the connecting portion of smaller size, make it be suitable for spot welding nuclear fuel assembly skeleton.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of an electrode of a spot welder provided in an embodiment of the present invention;
fig. 2 is a schematic front view of an electrode of a spot welder provided by an embodiment of the present invention;
fig. 3 is a schematic left-view diagram of an electrode of a spot welder provided by an embodiment of the present invention;
fig. 4 is a schematic bottom view of a spot welder electrode provided by an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1-4, the embodiment of the utility model provides a spot welder electrode, including being used for with welder connected connecting portion 2 with protruding locating the welding part 1 of connecting portion one end, welding part 1 have with the connection terminal surface 12 that connecting portion 2 are connected is with back to connecting portion are in order to be used for with treat weldment contact welded welding's welding terminal surface 11, welding terminal surface 11 is the arc surface. The embodiment of the utility model provides a spot welder electrode, can make welding end face 11 be the electrode of arc surface and be difficult for gluing copper when waiting welding spare spot welding contact, thereby make the solder joint shape rule that welds out, and then do benefit to and improve welding quality; in addition, through set up the orthographic projection area of connecting portion 2 on joining terminal surface 12 to be less than the area of joining terminal surface 12, can make the side direction overall dimension of connecting portion 2 be less than the side direction overall dimension of welding part 1, like this, both do benefit to through the welding part 1 that bigger size improves the welding efficiency of the great piece of waiting to weld of size, do benefit to again through connecting portion 2 that smaller size reduces the size and the weight of spot welder electrode, make it be suitable for spot welding nuclear fuel assembly skeleton.
Preferably, as shown in fig. 1 and 2, a direction in which the welding portion 1 extends toward the connecting portion 2 is defined as a longitudinal extending direction, and a cross section obtained by cutting the welding portion 2 in a direction perpendicular to the longitudinal extending direction is defined as a first cross section, and a shape of the first cross section includes any one of a circle, a polygon, and an ellipse.
Preferably, the first cross section is rectangular in shape, the welding portion 1 has two oppositely spaced first side edges 13 and two oppositely spaced second side edges 14, and the welding end face 11 extends along an arc-shaped trajectory from one of the first side edges to the other first side edge. The arc-shaped track is formed by arranging the welding end face 11 along the first side edges 13 which are oppositely arranged at two intervals in the welding part 1 to form an arc surface, so that copper is not easy to adhere during spot welding operation, the shape of a welding spot is regular, and the welding quality is improved.
Preferably, four top corners of the first cross section are rounded. The rounding may remove sharp edges of the weld 1, thereby helping to prevent the weld from scratching the parts to be welded or other facilities.
It should be noted that, in other embodiments, the shape of the first cross section is not limited to a rectangle, and may be other shapes, such as other polygons or an ellipse or a circle, as long as the welding end surface 3 of the welding part 1 is ensured to be a circular arc surface.
Preferably, as shown in fig. 1 and 3, a threaded hole 21 for a bolt or a screw to be screwed in to connect the electrode of the spot welder to a welding gun is opened at one end of the connecting portion 2 facing away from the welding portion 1. The arrangement of the threaded hole 21 enables the welding gun to be reliably connected with the electrode of the spot welder, and the welding gun and the electrode of the spot welder can be detached, so that the electrode of the deformed or worn spot welder can be replaced conveniently.
Preferably, the connecting portion 2 is a cylinder, which has a regular shape and facilitates the machining and manufacturing of the threaded hole 21.
Of course, in a specific application, the shape of the connecting portion 2 is not limited to a cylinder, and may be, for example, a cone or a polyhedron.
Preferably, as shown in fig. 1-3, the material of the connecting part 2 and the material of the welding part 1 are beryllium-cobalt-copper, which can make the electrode have high electrical conductivity, high thermal conductivity and high strength, and is suitable for spot welding nuclear fuel assembly frameworks; the welding part 1 and the connecting part 2 are of an integrally formed structure, so that the subsequent assembly process of the welding part 1 and the connecting part 2 can be omitted, the manufacturing process of the spot welding machine electrode is simpler, and the manufacturing cost is reduced.
Further, the embodiment of the present invention provides a welding gun assembly, which includes a welding gun (not shown) and an even number of the above-mentioned electrode of spot welder, the welding gun includes a welding tongs, the electrode of spot welder uses two as a set to be installed in the two opposite sides of the welding tongs respectively.
Preferably, the number of the spot welder electrodes is four, the welding tongs are provided with two first side parts which are oppositely arranged at intervals and two second side parts which are oppositely arranged at intervals, two spot welder electrodes are respectively arranged on the two first side parts in an aligned mode, and the other two spot welder electrodes are respectively arranged on the two second side parts in an aligned mode; every two spot welder electrodes are arranged on a welding tongs of the spot welder in an aligned mode, and the function of space all-dimensional welding can be achieved. When the spot welding operation is carried out at a single time, only one group of two spot welding machine electrodes are needed to complete the spot welding.
Preferably, the welding gun is movably connected with the electrode of the automatic spot welding machine of the nuclear fuel assembly framework through a screw or a bolt. The detachable connection facilitates the installation, the detachment and the transportation, and simultaneously facilitates the replacement of the deformed or worn electrode of the spot welding machine.
Further, the embodiment of the present invention further provides a nuclear fuel assembly skeleton spot welder, which includes the welding gun assembly, a driving device (not shown) for controlling the movement of the welding gun assembly, and an electric control device (not shown) for controlling the electrode discharge of the nuclear fuel assembly skeleton spot welder.
The electrode of the spot welder is arranged on the clamping arm through a screw or a bolt. The driving device comprises a first driving mechanism and a second driving mechanism, wherein the first driving mechanism is used for driving the welding gun to drive the electrode of the spot welder to move so that the electrode of the spot welder moves to the side of a surface to be welded, the second driving mechanism is used for driving the two opposite clamping arms to drive the electrodes of the two opposite spot welders to move towards or away from each other so as to clamp or loosen the part to be welded, and the second driving mechanism comprises a cylinder and a connecting rod assembly connected between the cylinder and the two clamping arms; the electric control device comprises a transformer electrically connected with the electrode of the spot welding machine and a switch control element for controlling the operation of the transformer.
When the automatic spot welder for the nuclear fuel assembly framework performs spot welding operation, an electrode of the spot welder is firstly installed on a welding clamp arm of a welding gun through a screw or a bolt, then the welding gun is driven to move to the side of a surface to be welded by a first driving mechanism in a driving device, a cylinder is inflated, so that a second driving mechanism drives the electrode of the spot welder to clamp a part to be welded, the spot welder discharges instantly to complete spot welding, and finally the second driving mechanism is used for driving to loosen the part to be welded so as to finish the spot welding.
Above the utility model discloses a preferred embodiment, not therefore the restriction the utility model discloses a patent scope, all be in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct-mentioned only for this connect/indirect application all include in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. A spot welder electrode is characterized by comprising a connecting part and a welding part, wherein the connecting part is used for being connected with a welding gun, the welding part is convexly arranged at one end of the connecting part, the welding part is provided with a connecting end surface connected with the connecting part and a welding end surface back to the connecting part and used for being in contact welding with a to-be-welded part, and the welding end surface is an arc surface; the orthographic projection area of the connecting part on the connecting end surface is smaller than the area of the connecting end surface.
2. The spot welder electrode according to claim 1, wherein a direction in which the welding portion extends toward the connecting portion is defined as a length extending direction, and a cross section obtained by cutting the welding portion in a direction perpendicular to the length extending direction is defined as a first cross section, and a shape of the first cross section includes any one of a circle, a polygon, or an ellipse.
3. A spot welder electrode according to claim 2, characterized in that said first cross section is rectangular in shape, said weld having two spaced opposed first side edges and two spaced opposed second side edges, said weld end surface extending along an arcuate path from one of said first side edges to the other of said first side edges.
4. A spot welder electrode according to claim 3, characterized in that the four top corners of the first cross-section are rounded.
5. A spot welder electrode according to any of the claims 1 to 4, characterized in that the end of the connecting part facing away from the welding part is provided with a threaded hole for a bolt or screw to be screwed in for connecting the spot welder electrode to a welding gun.
6. A spot welder electrode according to any of claims 1 to 4, characterized in that the shape of the connection part is any of a cylinder, a cone or a polyhedron.
7. A spot welder electrode according to any of the claims 1 to 4, characterized in that the material of the connecting part and the material of the welding part are beryllium cobalt copper; and/or the presence of a gas in the atmosphere,
the welding part and the connecting part are of an integrally formed structure.
8. A welding gun assembly comprising a welding gun and an even number of spot welder electrodes as defined in any one of claims 1 to 7, said welding gun comprising a welding jaw, said spot welder electrodes being mounted in sets of two on opposite sides of said welding jaw.
9. The welding gun assembly according to claim 8, wherein said spot welder electrodes are four in number, said electrode holder having two spaced opposed first sides and two spaced opposed second sides, wherein two of said spot welder electrodes are respectively positioned on two of said first sides in alignment, and two of said spot welder electrodes are respectively positioned on two of said second sides in alignment; and/or the presence of a gas in the atmosphere,
the welding gun is connected with the electrode of the spot welder through a screw or a bolt.
10. An automatic spot welder for a nuclear fuel assembly skeleton, comprising a welding gun assembly according to any one of claims 8 to 9, drive means for controlling the movement of the welding gun assembly and electrical control means for controlling the discharge of the spot welder electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921629628.2U CN211387393U (en) | 2019-09-27 | 2019-09-27 | Nuclear fuel assembly framework automatic spot welding machine, electrode and welding gun assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921629628.2U CN211387393U (en) | 2019-09-27 | 2019-09-27 | Nuclear fuel assembly framework automatic spot welding machine, electrode and welding gun assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211387393U true CN211387393U (en) | 2020-09-01 |
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ID=72226745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921629628.2U Active CN211387393U (en) | 2019-09-27 | 2019-09-27 | Nuclear fuel assembly framework automatic spot welding machine, electrode and welding gun assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211387393U (en) |
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2019
- 2019-09-27 CN CN201921629628.2U patent/CN211387393U/en active Active
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