CN216066116U - Device for welding aluminum and alloy materials thereof with steel and copper materials - Google Patents
Device for welding aluminum and alloy materials thereof with steel and copper materials Download PDFInfo
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- CN216066116U CN216066116U CN202122486527.8U CN202122486527U CN216066116U CN 216066116 U CN216066116 U CN 216066116U CN 202122486527 U CN202122486527 U CN 202122486527U CN 216066116 U CN216066116 U CN 216066116U
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Abstract
The utility model discloses a device for welding aluminum and alloy materials thereof with steel and copper materials, which comprises a welding mold and a drainage baffle block, wherein a solder reaction cavity and a welding cavity are formed on the welding mold, the welding cavity is positioned right below the solder reaction cavity, and the solder reaction cavity is communicated with the welding cavity through a drainage groove; the edge of the flow guide block forms a distance with the side wall of the welding cavity for the molten solder to pass through. According to the utility model, the drainage baffle block is arranged in the first accommodating cavity, and a gap is formed between the drainage baffle block and the inner wall of the welding cavity to drain molten welding flux, so that the welding flux firstly enters the bottom of the welding cavity, is gradually accumulated after being connected and welded with the first grounding electrode, is contacted with the second grounding electrode, and is welded, the flowing time of the high-temperature welding flux is prolonged, impurities can be fully floated on the surface of the welding flux fluid, air is exhausted from bottom to top, the welding flux is prevented from wrapping air, and air holes are formed, and thus, the welding quality and effect are improved.
Description
Technical Field
The utility model relates to the technical field of metal welding, in particular to a device for welding aluminum and alloy materials thereof with steel and copper materials.
Background
The grounding body is also called a grounding electrode, and is a metal conductor directly contacting with the ground.
The grounding grid connects a plurality of grounding bodies with a grounding main line to form a network, has the characteristics of reliable grounding and small grounding resistance, is suitable for the grounding requirement of a large amount of electrical equipment, and is mainly used in places such as power distribution substations, large-scale workshops and the like.
The ground mesh forms a ground loop. And a loop is formed by the grounding bodies in the working area of the grounding loop. The potential distribution of the loop type grounding electrode is uniform.
The grounding electrode is made of metal, and the existing metal materials, such as aluminum and aluminum alloy materials, have the advantages of light weight, good conductivity, strong corrosion resistance, easy processing and the like.
In the construction of grounding grids, aluminum and aluminum alloy materials are used as a part of a grounding electrode in order to fully utilize the performance of the materials. In the process, the connection of aluminum and aluminum alloy materials with the traditional grounding materials is involved. In the prior art, a sleeve is connected by compression and a metal clamp, and the connection modes have the defects that the joint is loosened, the surface of the joint is very easy to oxidize, so that the resistance is increased, and fault current or lightning current cannot be carried through.
Therefore, the best connection should be by welding.
However, because the melting point difference between aluminum and its alloy materials is large compared with the traditional grounding metal, copper and steel, the existing metal welding mold can only meet the metal welding of copper and copper, steel and steel, copper and steel metal materials, and can not adapt to aluminum and its alloy materials.
If a common heat-release welding mold is adopted for welding, the metal structure and the properties of low-melting-point metal materials (aluminum and alloy thereof) are changed when the high-melting-point metal materials are melted, so that the low-melting-point metal materials become hard and brittle, and can be broken when being slightly stressed, and the purpose of using the low-melting-point metal materials after welding connection cannot be met; if the melting temperature in the metal welding is lowered, the high melting point metal material cannot be melted, and the welding cannot be realized. In addition, the same or similar problems are also present in the other high and low melting point metals in the welding.
Based on the above, the applicant filed the utility model patent named "a device, a method and an application for welding aluminum and alloy materials thereof with steel materials and copper materials" on the same day to solve the above problems. In the scheme, the aluminothermic reaction is adopted to melt the solder, and the high-temperature fluid-shaped solder is formed to realize the welding between the aluminum and the alloy material thereof and the steel material or/and the copper material, but because the position of the ignition melt material in the scheme is higher than the metal to be welded, the molten solder flows down linearly and has high speed, and the air is wrapped in the downward flow process inevitably, so that bubbles are formed in the welded body; in addition, the high-temperature fluid solder flows downwards in a straight line and quickly contacts with the metal to be welded, so that impurities (generated by thermite reaction auxiliary agents and the like) in the high-temperature fluid solder are wrapped in the fluid solder instead of floating on the surface of the fluid solder, and are cooled and condensed on the metal to be welded together, thereby seriously influencing the material property of the welded part and further influencing the welding quality.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems that bubbles are easily generated at a welding position and impurities cannot be removed when aluminum and aluminum alloy are welded with steel or/and aluminum materials, and provides a device for welding aluminum and aluminum alloy materials with steel and copper materials, which solves the problems that bubbles are easily generated at the welding position and impurities cannot be removed.
The utility model is realized by the following technical scheme:
a device for welding aluminum and alloy materials thereof with steel and copper materials comprises a welding mold and a drainage baffle block, wherein a solder reaction cavity and a welding cavity are formed on the welding mold, the welding cavity is positioned right below the solder reaction cavity, and the solder reaction cavity is communicated with the welding cavity through a drainage groove; the welding mold is also provided with a first accommodating cavity for a first grounding electrode to pass through and a second accommodating cavity for a second grounding electrode to pass through, the first grounding electrode is a grounding electrode made of copper material or/and steel material, the second grounding electrode is a grounding electrode made of aluminum material or/and aluminum alloy material, the first accommodating cavity and the second accommodating cavity are communicated with the welding cavity, and the first accommodating cavity is positioned below the second accommodating cavity; the drainage check block is located in the welding cavity, the drainage check block is located above the second accommodating cavity, the width of the drainage check block is larger than that of the second accommodating cavity so as to completely shield the second accommodating cavity, and the edge of the drainage check block and the side wall of the welding cavity form an interval for molten solder to pass through.
In some embodiments, the inner peripheral wall of the solder reaction chamber forms a tapered surface that is wide at the top and narrow at the bottom.
In some embodiments, the flow guide groove is vertical, and the upper end of the flow guide groove is connected to the middle of the bottom of the solder reaction cavity.
In some embodiments, the first accommodating cavity is vertically arranged, the second accommodating cavity is horizontally arranged, and the intersection point of the central line of the first accommodating cavity and the central line of the second accommodating cavity is located right below the drainage groove.
In some embodiments, the first receiving cavity is cylindrical and penetrates through a bottom end surface of the welding mold.
In some embodiments, the second receiving cavity is cylindrical and penetrates through an outer side wall surface of the welding mold.
In some embodiments, the flow directing block is removably mounted to the welding mold, and the welding mold has a block mounting hole formed therein for mounting the flow directing block to the weld chamber.
In some embodiments, the block fitting aperture is straight or angled to fit the drainage block straight or angled.
In some embodiments, the welding mold comprises a left mold unit and a right mold unit which are integrated into a whole, and the reaction cavity, the welding cavity, the drainage groove, the first accommodating cavity and the second accommodating cavity are divided into two parts and are respectively formed on the left mold unit and the right mold unit.
In some embodiments, a fastening device is further included to secure the left and right mold units when they are joined together.
The utility model has the following advantages and beneficial effects:
according to the utility model, the drainage baffle block is arranged in the first accommodating cavity, and a gap is formed between the drainage baffle block and the inner wall of the welding cavity to drain molten welding flux, so that the welding flux firstly enters the bottom of the welding cavity, is gradually accumulated after being connected and welded with the first grounding electrode, is contacted with the second grounding electrode, and is welded, the flowing time of the high-temperature welding flux is prolonged, impurities can be fully floated on the surface of the welding flux fluid, air is exhausted from bottom to top, the welding flux is prevented from wrapping air, and air holes are formed, and thus, the welding quality and effect are improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:
FIG. 1 is a schematic structural diagram of a welding mold according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another cross-sectional view according to an embodiment of the utility model.
Reference numbers and corresponding part names in the drawings:
welding mold-100, solder reaction cavity-110, welding cavity-120, flow guide groove-130, first accommodating cavity-140 and second accommodating cavity-150;
drainage block-200.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Referring to fig. 1-3, an apparatus for welding aluminum and its alloy materials with steel and copper materials includes a welding mold 100 and a drainage block 200.
The welding mold 100 is formed with a solder reaction chamber 110 and a welding chamber 120, the welding chamber 120 is located right below the solder reaction chamber 110, and the solder reaction chamber 110 and the welding chamber 120 are communicated through a flow guiding groove 130.
The solder reaction chamber 110 is used to ignite the solder to form a high temperature molten fluid. Fluid enters the weld chamber 120 through the drainage slots 130, thereby effecting a weld.
The welding mold 100 is further formed with a first accommodating cavity 140 for the first ground electrode to pass through and a second accommodating cavity 150 for the second ground electrode to pass through, the first ground electrode is a ground electrode made of copper material or/and steel material, the second ground electrode is a ground electrode made of aluminum material or/and aluminum alloy material, the first accommodating cavity 140 and the second accommodating cavity 150 are connected to the welding cavity 120, and the first accommodating cavity 140 is located below the second accommodating cavity 150.
The first receiving chamber 140 and the second receiving chamber 150 are provided with a first ground electrode and a second ground electrode, respectively. And welding is completed within the weld chamber 120 as a junction.
The drainage stopper 200 is located in the welding chamber 120, the drainage stopper 200 is located above the second accommodating chamber 150, the width of the drainage stopper 200 is greater than that of the second accommodating chamber 150 to completely shield the second accommodating chamber 150, and the edge of the drainage stopper 200 and the side wall of the welding chamber 120 form an interval for the molten solder to pass through.
The drain block 200 shields the second receiving chamber 150 during actual use to prevent the fluid solder from directly flowing down to contact the second ground electrode. Meanwhile, the flow track of the fluid solder is extended and prolonged, so that impurities in the fluid solder have enough time to float on the surface of the fluid solder, and later cleaning is facilitated. In the actual welding process, the fluid solder is drained by the drainage baffle 200, contacts the first grounding electrode first, realizes welding, is gradually accumulated upwards, and is cooled until being welded to the second grounding electrode. This process also expels air upward, avoiding entrapment of air and formation of air holes.
The discharge of impurity is guaranteed to above to and avoid forming the gas pocket, the all right welded quality of promotion.
In some embodiments, the inner peripheral wall of the solder reaction chamber 110 forms a tapered surface that is wide at the top and narrow at the bottom. By forming the tapered surface, the flow velocity of the fluid solder is increased.
In some embodiments, the flow-guiding grooves 130 are vertical, and the upper ends of the flow-guiding grooves 130 are connected to the middle of the bottom of the solder reaction chamber 110. The conical solder reaction chamber 110 is connected to the middle part, so that the solder fluid can be ensured to flow out more completely.
In some embodiments, the first receiving chamber 140 is vertically disposed, the second receiving chamber 150 is horizontally disposed, and the intersection point of the central line of the first receiving chamber 140 and the central line of the second receiving chamber 150 is located right below the drainage groove 130. The shapes of the grounding electrodes are convenient to ensure, and welding is convenient.
In some embodiments, the first receiving cavity 140 is cylindrical and penetrates through a bottom end surface of the welding mold 100. So as to extend into the first ground electrode from the outside.
In some embodiments, the second receiving cavity 150 is cylindrical and penetrates through the outer wall surface of the welding mold 100. So as to project into the second ground electrode from the outside.
In some embodiments, the drain block 200 is detachably mounted to the welding mold 100, and a block mounting hole for mounting the drain block 200 to the welding chamber 120 is formed on the welding mold 100. The drainage stopper 200 is independently provided to facilitate cleaning of the drainage stopper 200 and to reuse the drainage stopper 200 for many times.
In some embodiments, the block mounting aperture is straight or angled to mount the drainage block 200 straight or angled. By being arranged obliquely, the fluid flow is facilitated.
In some embodiments, the welding mold 100 includes a left mold unit I and a right mold unit II integrated into a whole, and the reaction chamber 110, the welding chamber 120, the drainage groove 130, the first receiving chamber 140, and the second receiving chamber 150 are divided into two parts and formed on the left mold unit I and the right mold unit II, respectively. So that the operation is more convenient, and the demoulding and the cleaning are easier.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The device for welding the aluminum and the alloy materials thereof with the steel and the copper is characterized by comprising a welding mold (100) and a drainage stopper (200), wherein a solder reaction cavity (110) and a welding cavity (120) are formed on the welding mold (100), the welding cavity (120) is positioned under the solder reaction cavity (110), and the solder reaction cavity (110) is communicated with the welding cavity (120) through a drainage groove (130); a first accommodating cavity (140) for a first grounding electrode to pass through and a second accommodating cavity (150) for a second grounding electrode to pass through are further formed on the welding mold (100), the first grounding electrode is a grounding electrode made of copper or/and steel, the second grounding electrode is a grounding electrode made of aluminum or/and aluminum alloy, the first accommodating cavity (140) and the second accommodating cavity (150) are communicated with the welding cavity (120), and the first accommodating cavity (140) is located below the second accommodating cavity (150); the drainage stopper (200) is located in the welding cavity (120), the drainage stopper (200) is located above the second accommodating cavity (150), the width of the drainage stopper (200) is larger than that of the second accommodating cavity (150) so as to completely shield the second accommodating cavity (150), and the edge of the drainage stopper (200) and the side wall of the welding cavity (120) form an interval for molten solder to pass through.
2. The apparatus for melting aluminum and aluminum alloy materials with steel and copper materials as claimed in claim 1, wherein the inner peripheral wall of the solder reaction chamber (110) is formed with a tapered surface with a wide top and a narrow bottom.
3. The device for welding aluminum and aluminum alloy materials with steel and copper materials according to claim 2, wherein the drainage groove (130) is vertical, and the upper end of the drainage groove (130) is connected to the center of the bottom of the solder reaction chamber (110).
4. The device for welding aluminum and aluminum alloy materials with steel and copper materials according to claim 3, wherein the first accommodating cavity (140) is vertically arranged, the second accommodating cavity (150) is horizontally arranged, and the intersection point of the central line of the first accommodating cavity (140) and the central line of the second accommodating cavity (150) is located right below the drainage groove (130).
5. The apparatus for welding aluminum and aluminum alloy materials to steel and copper materials according to claim 4, wherein the first receiving cavity (140) is cylindrical and penetrates the bottom end surface of the welding mold (100).
6. The apparatus for welding aluminum and aluminum alloy materials to steel and copper materials according to claim 4, wherein the second receiving cavity (150) is cylindrical and penetrates the outer wall surface of the welding mold (100).
7. The apparatus for welding aluminum and aluminum alloy materials with steel and copper materials according to claim 1, wherein the flow guide stopper (200) is detachably mounted on the welding mold (100), and a stopper mounting hole for mounting the flow guide stopper (200) to the welding chamber (120) is formed on the welding mold (100).
8. The apparatus for welding aluminum and aluminum alloy materials to steel and copper materials according to claim 7, wherein the block fitting hole is formed in a straight or inclined shape to fit the drainage block (200) straight or inclined.
9. The apparatus for welding aluminum and its alloy material with steel and copper material according to claim 1, wherein the welding mold (100) comprises a left mold unit (I) and a right mold unit (II) which are combined into a whole, and the reaction chamber (110), the welding chamber (120), the drainage groove (130), the first receiving chamber (140) and the second receiving chamber (150) are divided into two parts and formed on the left mold unit (I) and the right mold unit (II), respectively.
10. The apparatus for welding aluminum and aluminum alloy materials to steel and copper materials according to claim 9, further comprising a fastening means for fastening when the left mold unit (I) and the right mold unit (II) are integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122486527.8U CN216066116U (en) | 2021-10-15 | 2021-10-15 | Device for welding aluminum and alloy materials thereof with steel and copper materials |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122486527.8U CN216066116U (en) | 2021-10-15 | 2021-10-15 | Device for welding aluminum and alloy materials thereof with steel and copper materials |
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| CN216066116U true CN216066116U (en) | 2022-03-18 |
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| CN202122486527.8U Active CN216066116U (en) | 2021-10-15 | 2021-10-15 | Device for welding aluminum and alloy materials thereof with steel and copper materials |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113798746A (en) * | 2021-10-15 | 2021-12-17 | 成都亿开伟业科技开发有限公司 | Device and method for welding high-melting-point metal and low-melting-point metal and application |
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2021
- 2021-10-15 CN CN202122486527.8U patent/CN216066116U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113798746A (en) * | 2021-10-15 | 2021-12-17 | 成都亿开伟业科技开发有限公司 | Device and method for welding high-melting-point metal and low-melting-point metal and application |
| CN113798746B (en) * | 2021-10-15 | 2024-05-14 | 成都亿开伟业科技开发有限公司 | Device, method and application for welding high-low melting point metal |
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