CN115592267A - Clamping system for nanosecond laser welding of metal foil and thin film plastic - Google Patents
Clamping system for nanosecond laser welding of metal foil and thin film plastic Download PDFInfo
- Publication number
- CN115592267A CN115592267A CN202211240972.9A CN202211240972A CN115592267A CN 115592267 A CN115592267 A CN 115592267A CN 202211240972 A CN202211240972 A CN 202211240972A CN 115592267 A CN115592267 A CN 115592267A
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- Prior art keywords
- quartz glass
- clamping
- metal foil
- welding
- light
- Prior art date
- 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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- 239000004033 plastic Substances 0.000 title claims abstract description 40
- 229920003023 plastic Polymers 0.000 title claims abstract description 40
- 239000011888 foil Substances 0.000 title claims abstract description 30
- 239000010409 thin film Substances 0.000 title claims abstract description 13
- 238000004021 metal welding Methods 0.000 title claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000010408 film Substances 0.000 claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 25
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 abstract description 49
- 238000000034 method Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- 239000004696 Poly ether ether ketone Substances 0.000 description 9
- 229920002530 polyetherether ketone Polymers 0.000 description 9
- 239000011889 copper foil Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 238000001755 magnetron sputter deposition Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- -1 ferrous metals Chemical class 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
Images
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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/32—Bonding taking account of the properties of the material involved
- B23K26/324—Bonding taking account of the properties of the material involved involving non-metallic parts
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a clamping system for nanosecond laser welding of metal foil and thin film plastic, and relates to the field of laser welding. The high-light-transmission quartz glass support comprises two support bases, wherein clamping assemblies are respectively arranged on the two support bases, and the high-light-transmission quartz glass support further comprises a quartz glass backing plate and a high-light-transmission quartz glass sheet, and the quartz glass backing plate, a metal foil, a thin film plastic and the high-light-transmission quartz glass sheet are fixed together through the two clamping assemblies. The invention has simple structure and reasonable design, and not only ensures the fixation between the metal foil and the film plastic, but also leads the metal foil and the film plastic to be completely spread and closely contacted by arranging the quartz glass cushion block and the high-light-transmission quartz glass sheet. The clamping force is controlled through the clamping bolts on the two sides and the pressure sensor, and the welding effect is convenient to adjust. The whole fixture is stably installed due to the integration of the base and the clamping device, the operation is convenient, the stability in the welding process is improved, the welding precision is ensured, the welding quality is improved, and the practicability is good.
Description
Technical Field
The invention relates to a clamping system for nanosecond laser welding of metal foils and thin-film plastics, and relates to the field of laser welding.
Background
Nanosecond welding adopts the latest welding process concept, adopts a scanning welding mode, can randomly distribute laser energy, has the characteristic of independent adjustment of pulse width and frequency, forms a specific molten pool after melting materials, achieves the purpose of welding and has ultrahigh cost performance. The method is particularly suitable for welding between different colored metals of the thin sheet; it is widely applicable to the welding of different nonferrous metal sheets. The laser pulse scanning welding principle is applied. The laser energy is uniformly distributed according to the designated track, the defect that the long pulse energy is in Gaussian distribution is avoided, and the breakdown is not easy to occur during the welding of the sheets. The welding spot is composed of a plurality of high-peak nanosecond pulses, and the absorption rate on the surface of non-ferrous metals is improved, so that non-ferrous metals such as copper, aluminum and the like and partial thermoplastic polymers can be stably welded.
At present, metal foils and film plastics are mostly used in PCB (printed circuit board), 5G rf antenna substrate. But the connection mode of the two is mainly connected by a gluing method or a magnetron sputtering method. The adhesive bonding connection mode easily causes the adhesive to lose efficacy when working at high temperature. So that the metal foil is separated from the film plastic substrate, thereby influencing the use. The magnetron sputtering method connects the film plastic and the film plastic by magnetron sputtering metal ions on the surfaces of the film plastic, but the connection strength is difficult to control at present, and industrial waste liquid is generated, so that the cost is high. There is a need to make the two closely connected by nanosecond laser welding.
Although the chinese patent application No. 201210212057, which is a "sheet laser welding table", solves the problem that a thin plate is easy to deform during long-distance welding positioning and welding, for an ultra-thin weldment, such as a metal foil and a thin-film plastic, it is impossible to accurately contact the two materials with each other, and at the same time, it is impossible to control the clamping force when the two materials are in contact with each other, so that the quality of the welded joint between the metal foil and the thin-film plastic cannot be accurately controlled during welding, and a great trouble is caused during the later process of adjusting process parameters.
Due to the limitation of the ultrathin property of the metal foil and the thin film plastic, the metal foil and the thin film plastic are difficult to fix on a laser welding test bed, and the welding is difficult. At present, a clamp capable of fixing the two and performing nanosecond laser welding is available. When the nanosecond laser welding machine works, a laser beam emitted from a laser working head is directly used for welding, and a metal foil and a film plastic are not easy to install and fix in the welding process and are easy to shake in the welding process, so that the nanosecond laser welding machine and the film plastic are extremely difficult to weld.
Disclosure of Invention
The present invention is implemented by the following technical solutions in view of the technical problems mentioned in the background art:
the utility model provides a clamping system is used with film class plastics nanosecond laser welding, includes that two support bases, two be equipped with clamping component on the support base respectively, still include quartz glass backing plate, high printing opacity quartz glass piece, quartz glass backing plate, metal foil, film class plastics, high printing opacity quartz glass piece are fixed through two clamping component jointly, just quartz glass backing plate, film class plastics, metal foil, high printing opacity quartz glass piece from the top down set gradually, just still be equipped with pressure sensor on the quartz glass backing plate, just pressure sensor's induction end is corresponding with film class plastics, electrically connected has the pressure display appearance on pressure sensor's the lateral wall.
It should be noted that the pressure sensor disposed on the quartz glass backing plate (the best installation position of the pressure sensor is located in the middle of the quartz glass backing plate) can effectively display the pressure between the metal foil and the film-like plastic, thereby ensuring the welding precision and facilitating the subsequent adjustment of welding parameters.
As a preferred example, each clamping assembly comprises a supporting base, a locking bolt and a clamping block, wherein the locking bolt is sleeved on the supporting base in a threaded manner, the clamping block is installed on the end part of the locking bolt positioned in the supporting base, and the clamping block is positioned above the high-light-transmission quartz glass sheet.
It should be noted that the supporting base not only can support the quartz glass cushion block, but also can be matched with the clamping block to clamp the whole set of laser welding sandwich structure.
As a preferred example, when turning the locking bolts on both clamping assemblies, the clamping blocks are now turned towards below the support base until the highly light-transmitting quartz glass plate is pressed.
It should be noted that the locking bolt includes a screw rod and a nut, the screw rod is sleeved on the support base in a threaded manner, the nut is sleeved on the screw rod in a threaded manner, the bottom of the nut is in contact with the top of the support base, and the bottom of the screw rod is fixed with the pressing block.
As a preferred example, two of the clamping assemblies are respectively mounted on an external nanosecond laser, and the laser emitting end of the laser is located right above the high-light-transmission quartz glass sheet clamped by the two clamping blocks.
As a preferable example, the length, width and height of the quartz glass cushion block are respectively 100mm, 100mm and 3mm, and the length, width and height of the high-light-transmittance quartz glass are also respectively 100mm, 100mm and 3mm.
The invention has the beneficial effects that: the invention has simple structure and reasonable design, and the quartz glass cushion block and the high-light-transmission quartz glass sheet are arranged, so that the fixation between the copper metal foil and the film plastic is ensured, and the metal foil and the film plastic can be completely spread and tightly contacted when in use. The clamping force is controlled through the clamping bolts on the two sides and the pressure sensor, and the welding effect is convenient to adjust. The base and the clamping device are integrated, so that the whole clamp is stably installed, the operation is convenient, the stability in the welding process is improved, the welding precision is ensured, the welding quality is improved, and the practicability is good.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 isbase:Sub>A schematic view of the structure in the direction A-A in FIG. 2;
in the figure, a locking bolt 1, a supporting base 2, a high-light-transmission quartz glass sheet 3, a quartz glass backing plate 4, a pressure display instrument 5, a pressure sensor 6 and a clamping block 7.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purpose and the efficacy of the invention easy to understand, the invention is further described with reference to the specific drawings.
The way of welding the metal foil and the film-like plastic is as follows: and (3) turning on a nanosecond laser, determining a lapped welding area by using the guide laser, and setting the welding speed to be 150mm/s, the jumping speed to be 1800mm/s, the laser power to be 90% and the laser frequency to be 20 (KHz). And (3) performing lap nanosecond laser welding on the metal foil and the film plastic.
Example 1
As shown in fig. 1 to 3, a clamping system for nanosecond laser welding of a copper foil and a polyetheretherketone film comprises two supporting bases 2, wherein clamping components are respectively arranged on the copper foil on the two supporting bases 2, the clamping system further comprises a quartz glass backing plate 4 and a highly transparent quartz glass sheet 3, the quartz glass backing plate 4, the polyetheretherketone film and the highly transparent quartz glass sheet 3 are fixed together through the two clamping components, the quartz glass backing plate 4, the polyetheretherketone film, the copper foil and the highly transparent quartz glass sheet 3 are sequentially arranged from top to bottom, a pressure sensor 6 is further arranged on the quartz glass backing plate 4, a sensing end of the pressure sensor 6 corresponds to the polyetheretherketone film, and a pressure display 5 is electrically connected to a side wall of the pressure sensor 6.
Each clamping assembly comprises a supporting base 2, a locking bolt 1 and a clamping block 7, the locking bolt 1 is sleeved on the supporting base 2 in a threaded mode, the clamping block 7 is installed on the end portion, located inside the supporting base 2, of the locking bolt 1, and the clamping block 7 is located above the high-light-transmission quartz glass sheet 3.
When the locking bolts 1 on both clamping assemblies are turned, the clamping blocks 7 are now turned towards below the support base 2 until the highly transparent quartz glass plate 3 is pressed.
The two clamping components are respectively arranged on an external nanosecond laser, and the laser emitting end of the laser is positioned right above the high-light-transmission quartz glass sheet 3 clamped by the two clamping blocks 7.
The length, width and height of the quartz glass cushion block are respectively 100mm, 100mm and 3mm, and the length, width and height of the high-light-transmission quartz glass are also respectively 100mm, 100mm and 3mm.
It should be noted that the length, width and height of the copper foil are respectively 80mm 30mm 0.02mm; the length, width and height of the polyether-ether-ketone film are respectively 80mm 30mm 1mm; the length, width and height of the whole device are respectively 107mm 62mm 35mm.
The working principle is as follows: the copper foil and the polyetheretherketone film are unfolded and placed on the quartz glass cushion block 4, the copper foil is placed on the polyetheretherketone film, so that when welding is facilitated, heat is rapidly transmitted to film-type plastics by utilizing the high heat conductivity of the metal foil, the film-type plastics are covered by the high-light-transmittance quartz glass sheet 3, and the film-type plastics are fixed by adjusting the locking bolts 1 on two sides, so that a welding part is conveniently spread and closely contacted;
through the locking bolt 1, the clamping force between the polyetheretherketone film and the copper foil is determined through the pressure sensor 6 and the pressure data indicator 5, so that the installation is stable, the operation is convenient, the stability in the welding process is improved, the welding precision is ensured, the welding quality is improved, and the practicability is good;
and opening a nanosecond laser at the moment, and carrying out lap-joint nanosecond laser welding on the copper foil and the polyether-ether-ketone film. And adjusting the locking bolt 1 after welding, taking down the high-light-transmission quartz glass sheet 3, and taking out the welded part which is successfully welded.
Example 2
The only difference is that the film-like plastic used is PA66 film, which is identical to example 1 as a whole.
It should be noted that, in addition to examples 1 and 2, the present invention can also be applied to welding between other metal foils and film-like plastics.
Since the embodiments 1 and 2 are only different in material, but the operation principle of the whole device is not different, the operation principle will not be described in detail.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a clamping system for nanosecond laser welding of metal foil and film class plastics, includes two support bases, two be equipped with clamping component on the support base respectively, its characterized in that still includes quartz glass backing plate, high printing opacity quartz glass piece, quartz glass backing plate, metal foil, film class plastics, high printing opacity quartz glass piece are fixed through two clamping component jointly, just quartz glass backing plate, film class plastics, metal foil, high printing opacity quartz glass piece from the top down set gradually, just still be equipped with pressure sensor on the quartz glass backing plate, just pressure sensor's response end is corresponding with film class plastics, electric connection has the pressure display appearance on pressure sensor's the lateral wall.
2. The clamping system for nanosecond laser welding of metal foil and thin-film plastic according to claim 2, wherein: each clamping component comprises a supporting base, a locking bolt and a clamping block, the locking bolt is sleeved on the supporting base in a threaded mode, the clamping block is installed on the end portion, located inside the supporting base, of the locking bolt, and the clamping block is located above the high-light-transmission quartz glass sheet.
3. The clamping system for nanosecond laser welding of metal foil and thin-film type plastics as claimed in claim 2, wherein: when the locking bolts on the two clamping assemblies are rotated, the clamping blocks are rotated towards the lower part of the supporting base until the high-light-transmission quartz glass sheet is pressed.
4. The clamping system for nanosecond laser welding of metal foil and thin-film plastic according to claim 2, wherein: the two clamping assemblies are respectively arranged on an external nanosecond laser, and the laser emitting end of the laser is positioned right above the high-light-transmission quartz glass sheet clamped by the two clamping blocks.
5. The clamping system for nanosecond laser welding of metal foil and thin-film type plastics as claimed in claim 1, wherein: the length, width and height of the quartz glass cushion block are respectively 100mm, 100mm and 3mm, and the length, width and height of the high-light-transmission quartz glass are respectively 100mm, 100mm and 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211240972.9A CN115592267A (en) | 2022-10-11 | 2022-10-11 | Clamping system for nanosecond laser welding of metal foil and thin film plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211240972.9A CN115592267A (en) | 2022-10-11 | 2022-10-11 | Clamping system for nanosecond laser welding of metal foil and thin film plastic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115592267A true CN115592267A (en) | 2023-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211240972.9A Pending CN115592267A (en) | 2022-10-11 | 2022-10-11 | Clamping system for nanosecond laser welding of metal foil and thin film plastic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115592267A (en) |
Citations (9)
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|---|---|---|---|---|
| JP2001347384A (en) * | 2000-06-06 | 2001-12-18 | Fuji Xerox Co Ltd | Welding equipment for thin film, method for welding thin film, belt formed of welded thin film, and image forming device using the belt formed of welded thin film |
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| CN1817539A (en) * | 2000-05-02 | 2006-08-16 | 约翰斯霍普金斯大学 | Composite reactive multilayer foil |
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2022
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