CN210818021U - Layering subassembly - Google Patents
Layering subassembly Download PDFInfo
- Publication number
- CN210818021U CN210818021U CN201921241598.8U CN201921241598U CN210818021U CN 210818021 U CN210818021 U CN 210818021U CN 201921241598 U CN201921241598 U CN 201921241598U CN 210818021 U CN210818021 U CN 210818021U
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- CN
- China
- Prior art keywords
- plastic
- pressing strip
- metal
- molding
- welding
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004033 plastic Substances 0.000 claims abstract description 72
- 229920003023 plastic Polymers 0.000 claims abstract description 72
- 238000003466 welding Methods 0.000 claims abstract description 52
- 229910052751 metal Inorganic materials 0.000 claims abstract description 46
- 239000002184 metal Substances 0.000 claims abstract description 46
- 238000000465 moulding Methods 0.000 claims description 16
- 239000011324 bead Substances 0.000 claims description 15
- 238000010137 moulding (plastic) Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 abstract description 77
- 239000004809 Teflon Substances 0.000 abstract description 11
- 229920006362 Teflon® Polymers 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 8
- 238000004880 explosion Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 238000007373 indentation Methods 0.000 abstract description 3
- 239000002893 slag Substances 0.000 abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 15
- 239000004696 Poly ether ether ketone Substances 0.000 description 4
- 229920002530 polyetherether ketone Polymers 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004023 plastic welding Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a layering subassembly for the location of waiting to weld the piece of welding to carrying out laser welding is fixed, include with wait that the welding piece carries out the plastic depression bar that contacts and be fixed in the metal layering on the plastic depression bar, the metal depression bar is located the upper surface of plastic depression bar in the orthographic projection of plastic depression bar. The plastic pressing strip is in direct contact with the to-be-welded part, so that scratches and indentations on the surface of the to-be-welded part can be avoided, the part, bearing welding slag generated by laser welding, above the plastic pressing strip is made of metal, and the plastic pressing strip below the plastic pressing strip can be effectively prevented from being burnt by laser. The pressing strip assembly which is matched with two materials can ensure that the surface of a part to be welded is not scratched, welding explosion points are not increased, the plastic pressing strip below is effectively protected, and the traditional process of pasting Teflon can be effectively replaced. The orthographic projection of the metal pressing strip on the plastic pressing strip is located on the upper surface of the plastic pressing strip, namely the horizontal size of the plastic pressing strip is larger than that of the metal pressing strip, so that the plastic pressing strip can be effectively ensured to be in contact with a part to be welded.
Description
Technical Field
The utility model relates to a welding machine field especially relates to a layering subassembly that is used for waiting the location of welding piece to carrying out laser welding and fixes.
Background
With the continuous development of the lithium ion power battery technology, the anode of the power battery needs to be conducted with the aluminum shell, and at present, the anode and the aluminum shell are generally conducted by welding a top cover plate communicated with the anode and the aluminum shell through laser welding; meanwhile, in order to prevent short circuit between batteries, battery shells are usually coated after capacity grouping, and the roughness, flatness, smoothness and the like of the surfaces of battery aluminum shells have great influence on the goodness of coating processes. Wherein, if there is the mar in the aluminum hull side, there is the bubble fold during the diolame easily, if because the granule that the aluminum hull mar produced glues on the surface, there is the stereoplasm foreign matter in the diolame back membrane, has the safety problem.
At present, a welding clamp pressing strip of top cover laser welding equipment is generally made of metal materials such as red copper and aviation aluminum, and an aluminum shell can be scratched when the welding clamp pressing strip contacts with a clamp in a battery press-fitting process, a common solution is to stick Teflon on the surface (the side contacting with the aluminum shell) of the clamp pressing strip, the aluminum shell has a good appearance effect after welding is completed by the method, but the aluminum shell has the defects that ① Teflon needs to be replaced periodically, the Teflon needs to be replaced 1-2 times every time, 10-20 min is consumed for replacing each time, the production efficiency is reduced, ② Teflon thickness connection is inconsistent, personnel use is easy to confuse, thin Teflon (the thickness is less than 0.1 mm) is not durable, the thick Teflon (the thickness is 0.1-0.2 mm) is easy to wrinkle accumulation in the use process, the battery positioning position is easy to deviate, the product goodness and safety problems are influenced, ③ Teflon is worn, the position deviation exceeds the upper surface of the pressing strip, the Teflon is close to a welding area, explosion points are easy to generate during battery welding, and the product quality is influenced.
Of course, other members to be welded, other than the power battery case described above, may have a problem such as surface scratches when laser welding is performed.
Therefore, it is urgently needed to find a new bead assembly for laser welding to solve the existing problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a new layering subassembly to prior art's not enough, it need not to paste the teflon, also can effectively solve treat that the weldment carries out the problem of fish tail on the surface when laser welding.
In order to achieve the above object, the utility model provides a layering subassembly for to carrying out laser welding treat the location of welding fixed, include with treat that the welding carries out the plastics layering of contact and be fixed in metal layering on the plastics layering, the metal layering in the orthographic projection of plastics layering is located on the upper surface of plastics layering.
The utility model discloses a layering subassembly includes and treats the plastics layering of weldment contact and be fixed in the metal layering on the plastics layering, the plastics layering with treat that weldment direct contact can avoid scratching and the indentation in the surface production of treating the weldment, the part of accepting the welding slag of laser welding above the plastics layering is the metal material, can prevent effectively that below plastics layering from being burnt by laser to power battery explosion point is serious when avoiding adopting the welding of plastics layering completely, and the plastics layering upper surface is extremely fragile. The pressing strip assembly which is matched with two materials can ensure that the surface of a workpiece to be welded is not scratched, meanwhile, welding explosion points are not increased, the plastic pressing strip below is effectively protected, the traditional Teflon-pasting process can be effectively replaced, and therefore the welding process efficiency can be improved. In addition, the orthographic projection of the metal pressing strip on the plastic pressing strip is positioned on the upper surface of the plastic pressing strip, namely the horizontal size of the plastic pressing strip is larger than that of the metal pressing strip, so that the contact between the plastic pressing strip and a part to be welded can be effectively ensured.
The material of the plastic trim strip is preferably polyether ether ketone (PEEK), and the material of the metal trim strip is preferably metal such as red copper and aviation aluminum.
Furthermore, the metal pressing strip is provided with a first fixing hole, the plastic pressing strip is provided with a second fixing hole corresponding to the first fixing hole, and further, the first fixing hole and the second fixing hole are fixed through bolts. The metal pressing strip and the plastic pressing strip can be fixedly combined into the pressing strip assembly through the fixing of the first fixing hole and the second fixing hole. Still further, the first fixing hole is a counter bore, and the second fixing hole is a blind hole.
Furthermore, the metal pressing strip is provided with a third fixing hole, and the plastic pressing strip is provided with a fourth fixing hole corresponding to the third fixing hole. Further, the third fixing hole and the fourth fixing hole are fixed by a bolt. And the pressing strip assembly can be fixed on the welding fixture through the fourth fixing hole of the third fixing hole. Still further, the third fixing hole is a through hole, and the fourth fixing hole is a counter bore.
Furthermore, the thickness of the metal pressing strip is 1-3 mm, and the thickness of the plastic pressing strip is 3-5 times of that of the metal pressing strip. The thickness of the plastic pressing strip can be set according to the embedded height of the pressing strip assembly in the welding fixture.
Furthermore, the metal pressing strip and the plastic pressing strip have the same length, the size of the plastic pressing strip exceeding the metal pressing strip on two sides in the width direction is 0.4-0.6 mm, and the two preferred ends are 0.5mm respectively.
Furthermore, the orthographic projection shape of the plastic pressing strip on the metal pressing strip is a rectangle with four corners provided with chamfers, and the size of the chamfer at the upper part of the plastic pressing strip is larger than that of the chamfer at the lower part, so that the pressing strip assembly can be effectively embedded in the welding fixture.
Drawings
Fig. 1 is a schematic view of the pressing bar assembly of the present invention embedded in the welding fixture.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a perspective view of an embodiment of the pressing bar assembly of the present invention.
Fig. 4 is a perspective view of the plastic pressing strip of the pressing strip assembly of the present invention.
Fig. 5 is a perspective view of the metal bead of the bead assembly of the present invention.
Fig. 6 is an enlarged view of a portion B in fig. 3.
Description of the elements
100-a welding fixture with a hold-down bar assembly; 10-a welding jig; 20-a power battery; 30-a batten component; 310-plastic trim strips; 3110-a second fixation hole; 3130-a fourth fixing hole; 330-metal hold-down strip; 3310-first fixing hole; 3330-third fixing hole; R/R1/R2-chamfer; l-length; w-width; Δ W-width difference; t-thickness
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be noted that, unless otherwise expressly limited, the terms "mounted," "connected," "fixed," and the like are intended to be inclusive and mean that, for example, a connection may be a fixed connection, a removable connection, a direct connection, an indirect connection via intermediate media, or a connection between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The pressing bar assembly of the present invention will be described in detail with reference to the accompanying drawings.
The utility model discloses a layering subassembly is arranged in waiting the fixed position of welding piece to carrying out laser welding and is fixed, the layering subassembly is fixed in laser-beam welding machine's well welding jig usually, treat that the welding piece uses power battery as an example, as shown in figure 1 and figure 2, welding jig 100 with the layering subassembly has welding jig 10, layering subassembly 30 gomphosis is fixed in the groove (not shown in the figure) of welding jig 10, layering subassembly 30 fixes a position fixedly to power battery 20, so that power battery 20's top cap and the electric conductance through the laser welding of aluminium shell.
As further shown in fig. 3 to 6, the pressing bar assembly 30 includes a plastic pressing bar 310 contacting the power battery 20 and a metal pressing bar 330 fixed on the plastic pressing bar 310, wherein an orthographic projection of the metal pressing bar 330 on the plastic pressing bar 310 is located on an upper surface of the plastic pressing bar 310. As can be seen from fig. 1 to 2, the side surface of the plastic compression bar 310 directly contacts the power battery 20 and is embedded in the groove of the welding fixture 10. The plastic bead 310 is made of Polyetheretherketone (PEEK), and the metal bead 330 is made of red copper. The metal bead 330 is provided with a first fixing hole 3310 which is a counter bore, the plastic bead 310 is provided with a second fixing hole 3110 which is a blind hole corresponding to the first fixing hole 3310, and the metal bead 330 and the plastic bead 310 are fixed and combined into the bead assembly 30 by the first fixing hole 3310 and the second fixing hole 3110 through bolts. Further, the metal pressing strip 330 is further provided with a third fixing hole 3330 which is a through hole, the plastic pressing strip 310 is provided with a fourth fixing hole 3130 which is a counter bore corresponding to the third fixing hole 3330, and the third fixing hole 3330 and the fourth fixing hole 3130 fix the pressing strip assembly 30 to the welding jig 10 by means of bolts.
The thickness T of the metal pressing strip 330 is 1-3 mm, and the thickness of the plastic pressing strip 310 is 3-5 times of that of the metal pressing strip 330. The thickness of the plastic bead 310 can be set according to the height of the bead assembly 30 embedded in the welding fixture 10. The metal pressing strip 330 and the plastic pressing strip 310 may have the same length L, the size of the plastic pressing strip 310 exceeding the metal pressing strip 330 at two sides of the width W direction is 0.4-0.6 mm, preferably, the two ends are 0.5mm, that is, the width of the plastic pressing strip 310 is greater than that of the metal pressing strip 330, and the width difference Δ W between the two ends is preferably 0.5 mm.
To facilitate the engagement of the molding assembly 30 in the welding machine fixture 10, as shown in fig. 4, the orthographic projection of the plastic molding 310 on the metal molding 330 is rectangular with four corners having chamfers R, and the size of the chamfer R1 on the upper portion of the plastic molding 310 is larger than the size of the chamfer R2 on the lower portion, i.e. the plastic molding 310 forms a structure with a larger upper portion and a smaller lower portion, and R1 and R2 can be straight chamfers.
The utility model discloses a new layering subassembly 30 includes the plastic depression bar 310 with the contact of power battery 20 and is fixed in the metal depression bar 330 on the plastic depression bar 310, plastic depression bar 310 can avoid scratching and the indentation in the aluminum hull surface production of power battery 20 with power battery 20 direct contact, the part of accepting laser welding's welding slag above plastic depression bar 310 is the metal material, can prevent effectively that below plastic depression bar 310 from being burnt by laser, power battery explosion point is serious when avoiding adopting plastic depression bar 310 welding completely, and the extremely fragile of plastic depression bar 310 upper surface. The pressing strip assembly 30 which is made of two materials and matched with each other can ensure that the surface of the aluminum shell of the power battery 20 is not scratched, welding explosion points are not increased, the plastic pressing strip 310 below is effectively protected, the traditional process of attaching Teflon can be effectively replaced, and therefore the welding process efficiency can be improved. In addition, the orthographic projection of the metal pressing strip 330 on the plastic pressing strip 310 is located on the upper surface of the plastic pressing strip 310, that is, the horizontal dimension of the plastic pressing strip 310 is larger than that of the metal pressing strip 330, so that the plastic pressing strip 310 can be effectively ensured to be in contact with the power battery 20.
It should be noted that the above-mentioned embodiments illustrate rather than limit the scope of the invention, and that modifications of various equivalent forms of the invention, which may occur to those skilled in the art after reading the present application, fall within the scope of the appended claims.
Claims (10)
1. A trim strip assembly is used for positioning and fixing a to-be-welded part for laser welding and is characterized by comprising a plastic trim strip which is in contact with the to-be-welded part and a metal trim strip which is fixed on the plastic trim strip, wherein the orthographic projection of the metal trim strip on the plastic trim strip is positioned on the upper surface of the plastic trim strip.
2. The molding assembly of claim 1, wherein said metal molding has a first fastening hole and said plastic molding has a second fastening hole corresponding to said first fastening hole.
3. The molding assembly of claim 2, wherein said first fixing hole and said second fixing hole are fixed by bolts.
4. The batten assembly of claim 2, wherein the first fixing hole is a counter-bore and the second fixing hole is a blind hole.
5. The molding assembly of claim 2, wherein said metal molding has a third fastening hole and said plastic molding has a fourth fastening hole corresponding to said third fastening hole.
6. The molding assembly of claim 5, wherein said third fixing hole and said fourth fixing hole are fixed by bolts.
7. The molding assembly of claim 5, wherein said third fixing hole is a through hole and said fourth fixing hole is a counter bore.
8. The molding assembly of claim 1, wherein said metal molding has a thickness of 1-3 mm, and said plastic molding has a thickness of 3-5 times said metal molding.
9. The molding assembly of claim 1, wherein said metal molding and said plastic molding have equal lengths, and said plastic molding has a dimension beyond said metal molding on both sides in the width direction of 0.4-0.6 mm.
10. The molding assembly of claim 1, wherein an orthographic shape of said plastic bead on said metal bead is a rectangle having four corners with chamfers, and wherein a chamfer dimension of said plastic bead at an upper portion is greater than a chamfer dimension of a lower portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921241598.8U CN210818021U (en) | 2019-08-01 | 2019-08-01 | Layering subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921241598.8U CN210818021U (en) | 2019-08-01 | 2019-08-01 | Layering subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210818021U true CN210818021U (en) | 2020-06-23 |
Family
ID=71276269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921241598.8U Active CN210818021U (en) | 2019-08-01 | 2019-08-01 | Layering subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210818021U (en) |
-
2019
- 2019-08-01 CN CN201921241598.8U patent/CN210818021U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220222 Address after: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zenergy Battery Technologies Co.,ltd Address before: 523000 Dalang Town, Dongguan, Guangdong province Xiangshan Pine Hill Village Xiangshan Industrial Park Jiayuan Road No. 9 Patentee before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zhengli New Energy Battery Technology Co.,Ltd. Country or region after: China Address before: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Patentee before: Jiangsu Zenergy Battery Technologies Co.,ltd Country or region before: China |