CN215091361U - Tool and welding equipment for welding ultrathin metal foil and cylindrical metal - Google Patents
Tool and welding equipment for welding ultrathin metal foil and cylindrical metal Download PDFInfo
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- CN215091361U CN215091361U CN202120510967.XU CN202120510967U CN215091361U CN 215091361 U CN215091361 U CN 215091361U CN 202120510967 U CN202120510967 U CN 202120510967U CN 215091361 U CN215091361 U CN 215091361U
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Abstract
The utility model provides a be used for ultra-thin metallic foil and cylindricality metal welding's frock and welding equipment belongs to laser welding processing technology field. The utility model discloses the frock is including the lower apron that is used for holding 1 above metal post, with the upper cover plate that lower support plate lid closed, be equipped with the storage tank that a plurality of is used for placing the metal post on the lower apron, the storage tank bottom is equipped with the elastic component, the upper cover plate is equipped with logical unthreaded hole with the storage tank department of correspondence, still be equipped with in the upper cover plate and be used for fixing the adsorption structure of upper cover plate lower surface with ultra-thin metal forming, ultra-thin metal forming's thickness is below 0.05 mm. The utility model has the advantages that: can ensure that two metals are tightly attached without deformation, and is beneficial to improving the welding efficiency and quality.
Description
Technical Field
The utility model relates to a laser welding processing technology especially relates to a be used for ultra-thin metallic foil and cylindricality metal welding's frock, still relates to one kind and includes the welding equipment of frock.
Background
Because the ultra-thin stainless steel foil (belt) has the advantages of excellent strength, smoothness, corrosion resistance and the like, the production process has higher requirement, and the application amount is small and more. The method is applied to the industries of aerospace, computers, battery manufacturing, medical industry, heat treatment and the like. Such as thermal insulation, electrical heating elements, electrode contact surfaces, surgical devices, and the like. How to weld the ultrathin stainless steel foil (strip) with other metal materials when the ultrathin stainless steel foil (strip) is used, and ensuring the strength, the performance and the appearance of the ultrathin stainless steel foil (strip) is a relatively special process; ultra-thin stainless steel foil (strip) with the thickness less than 0.05mm is lap-welded with copper materials, and is not suitable for traditional contact type tin soldering and arc welding; and the requirements of small welding slag, no welding penetration, small deformation and the like are difficult to meet.
SUMMERY OF THE UTILITY MODEL
For solving the problem among the prior art, the utility model provides a be used for ultra-thin metal forming and cylindricality metal welding's frock still provides one kind and includes the welding equipment of frock.
The utility model discloses the frock is including the lower apron that is used for holding 1 above metal post, with the upper cover plate that lower support plate lid closed, be equipped with the storage tank that a plurality of is used for placing the metal post on the lower apron, the storage tank bottom is equipped with the elastic component, the upper cover plate is equipped with logical unthreaded hole with the storage tank department of correspondence, still be equipped with in the upper cover plate and be used for fixing the adsorption structure of upper cover plate lower surface with ultra-thin metal forming, ultra-thin metal forming's thickness is below 0.05 mm.
The utility model discloses make further improvement, adsorption structure is for setting up the inclosed vacuum adsorption chamber in the upper cover plate, the upper cover plate bottom surface is equipped with that a plurality of and vacuum adsorption chamber communicate, is used for adsorbing ultra-thin metal forming's absorption hole, still be equipped with vacuum joint on other faces of upper cover plate.
The utility model discloses make further improvement, the shape of logical unthreaded hole and the shape adaptation of storage tank, the area that leads to the unthreaded hole is less than the cross section of metal post in the storage tank.
The utility model discloses make further improvement, the thickness of storage tank is by the high decision of treating welded metal post, places when the metal post during the storage tank, the metal post protrusion storage tank 0.2-0.8 mm.
The utility model discloses make further improvement, still including corresponding the closure member that sets up at upper cover plate lower surface and lower download board upper surface respectively.
The utility model discloses do further improvement, the closure member is for setting up the peripheral fixed slot of frock, be equipped with magnet in the fixed slot.
The utility model discloses do further improvement, still including setting up the locating pin at lower support plate upper surface, the upper cover plate is equipped with the locating hole with the locating pin department of correspondence.
The utility model discloses make further improvement, still including setting up the altitude mixture control structure at upper cover plate both ends, when the upper cover plate lid closes down the support plate, interval between upper cover plate and the lower download board is less than 0.5 mm.
The utility model also provides an include be used for the welding equipment of ultra-thin metallic foil and cylindricality metal welded frock, including welding platform, adjustable pulse width pulse optical fiber laser ware and the motion module of setting on welding platform, the frock sets up on the motion module under the motion drive, move extremely the laser head field lens below of adjustable pulse width pulse optical fiber laser ware, laser welding is accomplished to adjustable pulse width pulse optical fiber laser ware.
The utility model is further improved, the laser power range of the pulse optical fiber laser with adjustable pulse width is 10W-15W, and the welding speed is 50-100 mm/s; the laser light emitting mode is a vector dotting mode, the number of light emitting pulses of each point is 5, the dotting time is 0.2ms, the laser frequency is 160-180KHz, and the laser pulse width is 14 ns.
Compared with the prior art, the beneficial effects of the utility model are that: the welding device is suitable for welding of ultrathin metal foils, can guarantee that two metals are tightly attached and do not deform, is beneficial to laser welding, guarantees that a welding point has certain tension after welding, simultaneously ensures that a product does not deform and is not damaged, and is beneficial to improving the welding efficiency and quality.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 and 3 are schematic exploded structural views of the present invention;
fig. 4 is a schematic view of welding.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1-3, the present embodiment welds two kinds of lap welding of ultra-thin stainless steel foil 6 (thickness is below 0.05 mm) and copper column 5 together, the utility model discloses the frock is including the lower carrier plate 2 that is used for holding 1 or more copper column 5, covers the upper cover plate 1 that closes lower carrier plate 2, be equipped with 5 storage tanks 201 that are used for placing copper column 5 on lower carrier plate 2 side by side, storage tank 201 bottom is equipped with buffer spring 4, and copper column 5 is placed above buffer spring 4, can the pressfitting buffer spring 4, upper cover plate 1 is equipped with light-passing hole 101 with storage tank 201 correspondence, light-passing hole 101 is used for passing through the light laser to realize the contactless laser welding of copper column 5 and ultra-thin stainless steel foil 6, and the present embodiment can guarantee that two kinds of metals are closely fused, and single-point pulling force more than 15N, and stainless steel sheet can not produce very big fold deformation simultaneously. The present embodiment is also applicable to welding between other metals or metal alloy materials.
Preferably, the area of the light-passing hole 101 in this embodiment is smaller than the cross section of the copper pillar 5 in the accommodating groove 201, and the diameter of the light-passing hole 101 in this embodiment is equal to about 90% of the diameter of the welded copper pillar 5, so that when the upper cover plate 1 is pressed down, the copper pillar 5 abuts against the ultra-thin stainless steel foil 6, and the ultra-thin stainless steel foil 6 at the position of the light-passing hole 101 is prevented from being deformed.
The ultra-thin stainless steel foil 6 of this example is through adsorption structure absorption at upper cover plate 1 lower surface, adsorption structure is the inclosed vacuum adsorption chamber that sets up in upper cover plate 1, 1 bottom surface of upper cover plate is equipped with a plurality of and vacuum adsorption chamber intercommunication, is used for adsorbing ultra-thin stainless steel foil 6's adsorption hole 103, install a vacuum joint 3 with vacuum adsorption chamber intercommunication on two sides of upper cover plate 1 respectively for the evacuation to adsorb ultra-thin stainless steel foil 6.
In this embodiment, fixing grooves are correspondingly formed on the lower surface of the upper cover plate 1 and the upper surface of the lower carrier plate 2, and fixing magnets 104 and 204 are arranged in the fixing grooves so as to be mutually attracted and fixed, in order to accurately align the upper cover plate and the lower carrier plate, two positioning pins 205 are additionally arranged on diagonal corners of the upper surface of the lower carrier plate 2, and positioning holes 105 are formed in the upper cover plate 1 and the positions corresponding to the positioning pins 205.
Preferably, in order to avoid the deformation of the ultra-thin stainless steel foil 6 caused by the pressing of the upper cover plate 1, two height adjusting holes 102 are further provided at two ends of the upper cover plate 1, and the distance between the upper cover plate 1 and the lower cover plate 2 is adjusted by height adjusting rods in the height adjusting holes.
The tool is processed according to the size and the number of the welded copper cylinders 5, and the materials of the upper cover plate 1 and the lower cover plate 2 of the tool have no special requirements as long as the surface is smooth and does not deform. The ultra-thin stainless steel foil 6 is placed at a proper position on the adsorption hole of the upper cover plate 1 according to requirements, and the air valve is opened to tightly adsorb the ultra-thin stainless steel foil 6. The copper column 5 is placed on the buffer spring 4 in the containing groove 201, and the surface of the copper column 5 is about 0.5mm higher than the surface of the lower jig mounting plate, generally between 0.3 mm and 0.8 mm. And (3) after the copper columns 5 are installed, adjusting the distance between the upper cover plate 1 and the lower cover plate 2 to be less than 0.5 mm. The purpose of placing the buffer springs 1 in the containing grooves 201 of the lower carrier plate 2 in this embodiment is to ensure that each copper pillar 5 can be tightly attached to the ultra-thin stainless steel foil 6 on the upper cover plate 1 by using the elasticity of the springs, and the ultra-thin stainless steel foil 6 (strip) cannot be crushed and deformed, thereby ensuring the reliability of the welding quality.
The utility model also provides an include be used for the welding equipment of ultra-thin metallic foil and cylindricality metal welded frock, including welding platform, adjustable pulse width pulse optical fiber laser ware and the motion module of setting on welding platform, the frock is fixed on the motion module under the motion drive, move extremely the laser head field lens below of adjustable pulse width pulse optical fiber laser ware, laser welding is accomplished to adjustable pulse width pulse optical fiber laser ware.
As shown in fig. 4, the welding process of this example is:
1. placing the ultrathin stainless steel foil 6 at a proper position, then adsorbing the ultrathin stainless steel foil on the upper cover plate 1, and placing the copper column 5 in the accommodating groove;
2. pressing the upper cover plate 1, and adjusting the distance between the upper cover plate 1 and the lower cover plate 2 to be less than 0.5 mm;
3. drawing a welding graph according to the welding area of the copper cylinder, wherein the graph of the example is a straight line or a curve without intersection;
4. the parameters of the pulse-width-adjustable pulse fiber laser are set, the laser power is set between 10W and 15W, and the field lens adopts F100-F254. Adjusting the welding speed to be within the range of 50-100mm/s according to the power value; the laser light emitting mode must be set to a vector dotting mode, and the number of light emitting pulses of each point is set to 5; setting the dotting time to be 0.2 ms; the laser frequency is set between 160 KHz and 180KHz, the laser pulse width is set to 14ns, the parameters are used for welding, and the condition that the laser generates soft light in the welding process is good can be observed visually;
5. the pulse fiber laser with the adjustable pulse width emits laser 7, and laser welding is carried out above the light through hole according to a welding pattern;
6. after the light-transmitting hole is welded, the motion module drives the tool to move, so that the welding point is arranged below the welding head field lens, the welding of the welding point is completed, and the like is repeated until all the welding points are welded;
7. and after welding is finished, vacuum suction is performed, the automatic closing is performed, the upper cover plate of the jig is opened, and the product is taken out.
The welding is carried out by the method, only 3-5 seconds are needed for welding a single copper column with the diameter of 2mm, the drawing force of each copper column welding point position can be more than 15N, the height of welding slag is not more than 0.02mm, meanwhile, the ultrathin stainless steel foil (strip) cannot generate great deformation, and the yield is more than 99%. When the pressing jig in the first step is used, the spring placed in the hole position of the lower bearing plate cannot be too large in elasticity, and the surface of the copper column can be ensured to be tightly attached to the steel belt or slightly protruded (within 0.1 mm). The parameter drawing mode does not use cross line welding, and aims to avoid the defects that laser cross repeated welding is easy to weld through at a cross point, and the cracking tension of the ultrathin steel strip is insufficient. The welding is carried out at a low speed corresponding to low laser power, and the insufficient fusion tension of the two metals can be caused by too low power or too high speed; the power is too large or the frequency is too small, so that the spark welding is easy to generate penetration tension without obvious wrinkles; the laser single point with too high frequency has insufficient energy and is difficult to fuse the copper material at the bottom layer. The adoption of the pulse width 14ns laser single-point energy can lead the two metals to be well fused, and the reject ratio of the pulse width welding product is obviously increased or reduced; the light emitting mode of vector dotting is adopted, the number of laser pulses at each point and the dotting time are controlled, and the purpose is to well fuse two metals together and ensure that no welding penetration exists and the drawing force is enough. If a common single-point single laser pulse welding mode is adopted, no matter what power, speed, frequency and pulse width is adopted for welding, the ultrathin stainless steel foil (belt) cannot be fused and welded with the copper column.
Because the laser welding spot is small, the energy is stable and reliable, the non-contact welding is carried out by adopting the pulse width adjustable optical fiber laser welding technology, the welding quality is more reliable, and the advantages are more obvious. Meanwhile, the laser welding has the advantages of simple operation, no material consumption, low use cost and the like.
The above-mentioned embodiments are the preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-mentioned embodiments, and the scope of the present invention includes and is not limited to the above-mentioned embodiments, and all equivalent changes made according to the present invention are within the protection scope of the present invention.
Claims (10)
1. The utility model provides a be used for ultra-thin metal foil and cylindricality metal welding's frock which characterized in that: including the lower apron that is used for holding metal column more than 1, with the upper cover plate that lower support plate lid closed, be equipped with the storage tank that a plurality of is used for placing the metal column on the lower apron, the storage tank bottom is equipped with the elastic component, the upper cover plate is equipped with logical unthreaded hole with the storage tank department of correspondence, still be equipped with in the upper cover plate and be used for fixing the adsorption structure of upper cover plate lower surface with ultra-thin metal forming, ultra-thin metal forming's thickness is below 0.05 mm.
2. The tooling for welding the ultrathin metal foil and the cylindrical metal as claimed in claim 1, characterized in that: the adsorption structure is an airtight vacuum adsorption cavity arranged in the upper cover plate, the bottom surface of the upper cover plate is provided with a plurality of adsorption holes communicated with the vacuum adsorption cavity and used for adsorbing the ultrathin metal foil, and the other surfaces of the upper cover plate are also provided with vacuum joints.
3. The tooling for welding the ultrathin metal foil and the cylindrical metal as claimed in claim 1, characterized in that: the shape of the light through hole is matched with that of the accommodating groove, and the area of the light through hole is smaller than the cross section of the metal column in the accommodating groove.
4. The tooling for welding the ultrathin metal foil and the cylindrical metal as claimed in claim 3, characterized in that: the thickness of the accommodating groove is determined by the height of the metal column to be welded, and when the metal column is placed in the accommodating groove, the metal column protrudes out of the accommodating groove by 0.2-0.8 mm.
5. The tooling for welding the ultrathin metal foil and the cylindrical metal as claimed in any one of claims 1 to 4, wherein: the lower cover plate is provided with a lower cover plate and a lower cover plate which are arranged on the lower surface of the upper cover plate and the lower surface of the lower cover plate respectively.
6. The tooling for welding the ultrathin metal foil and the cylindrical metal as claimed in claim 5, wherein the tooling comprises: the closing member is a fixing groove arranged on the periphery of the tool, and magnets are arranged in the fixing groove.
7. The tooling for welding the ultrathin metal foil and the cylindrical metal as claimed in claim 6, wherein the tooling comprises: the positioning device further comprises a positioning pin arranged on the upper surface of the lower support plate, and a positioning hole is formed in the position, corresponding to the positioning pin, of the upper cover plate.
8. The tooling for welding the ultrathin metal foil and the cylindrical metal as claimed in any one of claims 1 to 4, wherein: the upper cover plate is provided with a height adjusting structure, the height adjusting structure is arranged at two ends of the upper cover plate, and when the upper cover plate covers the lower carrier plate, the distance between the upper cover plate and the lower carrier plate is smaller than 0.5 mm.
9. A welding device comprising the tool for welding the ultrathin metal foil and the cylindrical metal as claimed in any one of claims 1 to 8, wherein the tool comprises: the laser welding device is characterized by further comprising a welding platform, an adjustable pulse width pulse fiber laser and a movement module, wherein the adjustable pulse width pulse fiber laser is arranged on the welding platform, the tool is arranged on the movement module, and is moved to the position below a laser head field lens of the adjustable pulse width pulse fiber laser under the movement driving, and the adjustable pulse width pulse fiber laser completes laser welding.
10. The welding apparatus of claim 9, wherein: the laser power range of the pulse fiber laser with the adjustable pulse width is 10W-15W, and the welding speed is 50-100 mm/s; the laser light emitting mode is a vector dotting mode, the number of light emitting pulses of each point is 5, the dotting time is 0.2ms, the laser frequency is 160-180KHz, and the laser pulse width is 14 ns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120510967.XU CN215091361U (en) | 2021-03-10 | 2021-03-10 | Tool and welding equipment for welding ultrathin metal foil and cylindrical metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120510967.XU CN215091361U (en) | 2021-03-10 | 2021-03-10 | Tool and welding equipment for welding ultrathin metal foil and cylindrical metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215091361U true CN215091361U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120510967.XU Active CN215091361U (en) | 2021-03-10 | 2021-03-10 | Tool and welding equipment for welding ultrathin metal foil and cylindrical metal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215091361U (en) |
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2021
- 2021-03-10 CN CN202120510967.XU patent/CN215091361U/en active Active
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