CN220145133U - Electric core chip welding copper mouth hold-down mechanism - Google Patents
Electric core chip welding copper mouth hold-down mechanism Download PDFInfo
- Publication number
- CN220145133U CN220145133U CN202321684001.3U CN202321684001U CN220145133U CN 220145133 U CN220145133 U CN 220145133U CN 202321684001 U CN202321684001 U CN 202321684001U CN 220145133 U CN220145133 U CN 220145133U
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- Prior art keywords
- copper
- copper nozzle
- welding
- nozzle
- dust removing
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 151
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 151
- 239000010949 copper Substances 0.000 title claims abstract description 151
- 238000003466 welding Methods 0.000 title claims abstract description 74
- 230000007246 mechanism Effects 0.000 title claims abstract description 45
- 239000000428 dust Substances 0.000 claims abstract description 44
- 239000000758 substrate Substances 0.000 claims abstract description 31
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 12
- 239000007789 gas Substances 0.000 description 17
- 230000008859 change Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000779 smoke Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000003496 welding fume Substances 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Resistance Welding (AREA)
Abstract
The utility model provides a battery cell chip welding copper nozzle pressing mechanism, wherein two groups of welding copper nozzles are symmetrically arranged on a copper nozzle mounting substrate at intervals along the left-right direction, the welding copper nozzles penetrate through the copper nozzle mounting substrate and are fixed on the copper nozzle mounting substrate, each group of welding copper nozzles comprises four copper nozzles which are arranged along the front-back direction, two dust removing pipelines are arranged on the outer side of each group of welding copper nozzles, the dust removing pipelines are communicated with a dust removing pipeline base and are fixed on the copper nozzle mounting substrate, a dust removing port arranged on one side of the bottom of each copper nozzle is communicated with the dust removing pipeline base through a pipeline, a protecting gas outlet is arranged on the other side of the bottom of each copper nozzle, each copper nozzle is provided with a corresponding flowmeter, the protecting gas outlet of each copper nozzle is communicated with a gas outlet of the corresponding flowmeter through a pipeline, and a gas inlet of each flowmeter is communicated with an external protecting gas source; the mechanism can improve the yield of welded products, reduce the time of changing the shape, has reasonable design and simple structure, and ensures the stability of the welding process.
Description
Technical Field
The utility model belongs to the technical field of manufacturing of power batteries of new energy automobiles, and relates to a copper nozzle pressing mechanism for welding battery cells.
Background
Along with the development of economy and the improvement of the living standard of people, automobiles become an essential important component in the life of people, and great convenience is provided for daily travel and work of people. However, as a great amount of toxic and harmful substances are generated by the combustion of the automobile power energy, the living environment of people can be seriously influenced; meanwhile, the shortage of petroleum resources and the increase of the use amount of automobiles lead to the increasing crisis of petroleum resources. Therefore, how to solve the contradiction between the increase in the usage of automobiles and the shortage of petroleum resources and the problem of environmental pollution is a topic that should be considered currently. In view of this, the development of new energy automobiles is a necessary result of alleviating the above contradiction, and is also a major trend. However, although pollution-free can be realized by using the electric automobile, many problems of a key component of the electric automobile, namely a battery, are not solved, for example, the energy density of the battery, in this case, the CTP battery is on a history stage, and the weight of the unit battery can be effectively reduced, so that the energy density of the battery is improved. The welding of the battery core and the tab is difficult to control as a difficult process quality in the industry, and the rejection rate is high.
The purpose of the utility model is to weld the battery core and the tab. The prior art has the advantages that the structure is simple, the production process is difficult to control, the compression position cannot be compensated in the whole design of the existing welding compression mechanism, the welding is performed after the battery cells are grouped, the position deviation of the battery cells is larger due to the instability of the thickness of the battery cells and the tolerance accumulation after the assembly of tens of groups of battery cells, and the welding area can only be reduced to compensate the position deviation due to the fact that the whole compression welding position deviation cannot be compensated; the existing battery production is mostly small-batch multi-variety collinear production, the integral mould changing of the copper nozzle mechanism is large in manual workload, low in production efficiency and low in positioning precision; welding fume shielding and copper nozzle shielding in the welding process lead to poor welding, and most of the existing structures are vertical copper nozzles without smoke or smoke above the copper nozzles, so that poor welding in the welding process is caused.
Disclosure of Invention
The utility model provides a copper nozzle pressing mechanism for welding a battery cell chip, which aims to solve the problems in the prior art.
The utility model is realized by adopting the following technical scheme:
the utility model provides a cell core wafer welding copper mouth hold-down mechanism, with outside triaxial servo moving mechanism cooperation compress tightly cell core post and wafer before carrying out the weldment work, and with outside shielding gas air supply cooperation provide the shielding gas and remove dust when cell core post and wafer carry out the weldment work, including a rectangular platelike copper mouth mounting base plate, be provided with two sets of welding copper mouth along controlling direction interval and symmetry on the copper mouth mounting base plate, the welding copper mouth passes copper mouth mounting base plate and fixes on copper mouth mounting base plate, every group welding copper mouth all includes four copper mouths along fore-and-aft direction range, copper mouth's top and bottom all open, every group welding copper mouth's outside all has two dust removal pipeline along fore-and-aft direction interval and symmetry setting, every dust removal pipeline and a dust removal pipeline base intercommunication and through dust removal pipeline base are fixed on copper mouth mounting base plate, the dust removal mouth that one side of the bottom of two adjacent copper mouths of being close to the front side among every group welding copper mouth is opened through pipeline and is connected with a dust removal pipeline base plate, the copper mouth's of every adjacent copper mouth's of every other side of being provided with the air inlet meter of every welding mouth that the gas source is connected with the copper mouth of every other side of the welding mouth of the gas mouth of every group of opening, the gas mouth that the gas source is connected with the copper mouth is corresponding.
The further technical scheme comprises the following steps:
after the lower part of each copper nozzle in each group of welding copper nozzles passes through the copper nozzle mounting substrate, four corner points of each of two sides of the bottom of each copper nozzle are fixedly connected with the lower surface of the copper nozzle mounting substrate through a guide post, and the guide post is provided with external threads and is in threaded connection with an internal threaded hole corresponding to the lower surface of the copper nozzle mounting substrate.
And each guide post is sleeved with a spring, two ends of the spring are respectively abutted against the lower surface of the copper nozzle mounting substrate and the copper nozzle, and the compression force on the copper nozzle is provided through spring compression.
Two sides of the copper nozzle mounting substrate are respectively provided with a quick-change positioning base, the quick-change positioning bases are high-precision positioning pin holes, and the quick-change positioning bases are in positioning connection with an external triaxial servo moving mechanism through positioning pins.
The top opening and the bottom opening of each copper nozzle are rectangular, and the length and the width of the top opening of each copper nozzle are larger than those of the bottom opening, so that the four inner surfaces of each copper nozzle form a trapezoid table shape.
The included angles between the four inner surfaces of the copper nozzle and the vertical direction are all 18 degrees.
The front side end face and the rear side end face of the copper nozzle mounting substrate are respectively provided with a handle.
Two handles on the copper nozzle mounting substrate are symmetrically arranged.
The upper pipe orifice of each dust removing pipe is connected with an external industrial-grade explosion-proof dust remover.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a copper nozzle pressing mechanism for welding a battery cell chip, which improves the process capability in the welding process through the result of a copper nozzle, improves the yield of welded products, reduces the mold changing time, and has reasonable design and simple structure. The device is provided with the quick-change structure, so that the quick-change can be realized, and the switching tool efficiency of different product pieces is improved; the device has simple and reasonable structural design, ensures no shading in the welding process by arranging the copper nozzle inclination angle of 18 degrees, can realize rapid smoke discharge and protect the welding area by arranging the smoke outlet and the contralateral nitrogen protection rabbet on the side part, and improves the welding yield; the grouping type welding copper nozzle of the device can realize position compensation to ensure the welding area, and has good overcurrent area to improve the welding quality; the device is provided with the nitrogen flowmeter to control welding process parameters in real time, and the flow data are locally stored, so that the welding process stability is ensured.
Drawings
The utility model is further described below with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of a copper nozzle pressing mechanism for welding a battery cell chip.
Fig. 2 is a second schematic structural diagram of a copper nozzle pressing mechanism for die bonding according to the present utility model.
In the figure: 1. the device comprises a copper nozzle mounting base plate, a flowmeter, a quick-change positioning base, a handle, a welding copper nozzle, a dust removing pipeline base, a spring, a guide column, a dust removing port and a shielding gas outlet.
Detailed Description
The utility model is described in detail below with reference to the attached drawing figures:
the utility model provides a cell chip welding copper nozzle pressing mechanism, which is matched with an external triaxial servo mechanism to press a cell pole and a chip before welding operation, and is matched with an external shielding gas source to provide shielding gas and remove dust when welding operation is performed on the cell pole and the chip, as shown in fig. 1, the cell chip welding copper nozzle pressing mechanism comprises a rectangular platy copper nozzle mounting substrate 1, two groups of welding copper nozzles 5 are symmetrically arranged on the copper nozzle mounting substrate 1 at intervals along the left-right direction, the welding copper nozzles 5 penetrate through the copper nozzle mounting substrate 1 and are fixed on the copper nozzle mounting substrate 1, each group of welding copper nozzles 5 comprises four copper nozzles which are arranged along the front-back direction, the top and the bottom of each copper nozzle are respectively opened, two dust removing pipelines 6 which are symmetrically arranged along the front-back direction are respectively arranged at the outer side of each group of welding copper nozzles 5, and each dust removing pipeline 6 is communicated with one dust removing pipeline base 7 and is fixed on the copper nozzle mounting substrate 1 through the dust removing pipeline base 7. In order to improve the dust removal efficiency, the pipe orifice at the upper end of each dust removal pipeline 6 can be connected with an external industrial-grade explosion-proof dust remover, so that welding fume is discharged in the welding process (if the welding fume is large, the welding fume is influenced to cause poor welding power).
As shown in fig. 2, a dust removing port 10 formed on one side of the bottom of two adjacent copper nozzles near the front side of each group of welding copper nozzles 5 is communicated with one dust removing pipeline base 7 through a pipeline, a dust removing port 10 formed on one side of the bottom of the other two adjacent copper nozzles of each group of welding copper nozzles 5 is communicated with the other dust removing pipeline base 7 through a pipeline, a shielding gas outlet 11 is formed on the other side of the bottom of each copper nozzle, each copper nozzle of each group of welding copper nozzles 5 is provided with a corresponding flowmeter 2 arranged on the copper nozzle mounting substrate 1, the shielding gas outlet 11 of each copper nozzle is communicated with an air outlet of the corresponding flowmeter 2 through a pipeline, and an air inlet of the flowmeter 2 is communicated with an external shielding gas source.
In this embodiment, as shown in fig. 2, after the lower part of each copper nozzle in each group of welding copper nozzles 5 passes through the copper nozzle mounting substrate 1, four corner points on each of two sides of the bottom of each copper nozzle are fixedly connected with the lower surface of the copper nozzle mounting substrate 1 through one guide post 9, and the guide post 9 is provided with external threads and is in threaded connection with an internal threaded hole corresponding to the lower surface of the copper nozzle mounting substrate 1. Each guide post 9 is sleeved with a spring 8, two ends of the spring 8 are respectively abutted against the lower surface of the copper nozzle mounting substrate 1 and the copper nozzle, and compression force on the copper nozzle is provided through compression of the spring 8.
In this embodiment, as shown in fig. 1, two sides of the copper nozzle mounting substrate 1 are respectively provided with a quick-change positioning base 3, and the quick-change positioning base 3 is a high-precision positioning pin hole and is in positioning connection with an external triaxial servo moving mechanism through a positioning pin.
In this embodiment, as shown in fig. 1 and fig. 2, the top opening and the bottom opening of each copper nozzle are rectangular, and the length and the width of the top opening of each copper nozzle are larger than those of the bottom opening, so that four inner surfaces of each copper nozzle form a trapezoid table shape. The included angles between the four inner surfaces of the copper nozzle and the vertical direction are 18 degrees, and the copper nozzle is ensured not to shade light in the welding process.
In this embodiment, as shown in fig. 1, one handle 4 is provided on each of the front side end face and the rear side end face of the copper nozzle mount board 1, and the two handles 4 are symmetrically arranged.
When the electric core bar welding copper nozzle pressing mechanism is used, the positioning pin of the external triaxial (X, Y, Z axis) servo moving mechanism is matched with the quick-change positioning base 3 (high-precision positioning pin hole) of the mechanism, so that the mechanism is connected with the external triaxial servo moving mechanism, the external triaxial servo moving mechanism drives the mechanism to move, the copper nozzle pressing electric core pole in the mechanism starts to weld with the bar, the position of the electric core pole is identified through the preface photographing function, the triaxial servo moving mechanism performs offset pressing according to the photographing position, the copper nozzle in the mechanism can be ensured to be accurately pressed on the electric core pole, the servo step-by-step compensation pressing electric core pole is adopted for welding in order to eliminate the position deviation of the electric core pole after the electric core pole is pressed, the Z-direction size deviation of the electric core is compensated through the spring 8 on the copper nozzle in the mechanism after the pressing, and the bar and the electric core is ensured to be completely pressed. The outside shielding gas source blows shielding gas through the flowmeter and the shielding gas outlet 11 at the lower part of the copper nozzle in the welding process, meanwhile, the flowmeter 2 is configured to ensure the stability and reliability of the shielding gas, and the dust removal port 10, the dust removal pipeline base 7 and the dust removal pipeline 6 are used for wind control and exhaust so as to ensure that smoke dust generated by welding can not be shaded. After welding is finished, an external shielding gas source is closed, dust removal is normally open, and the operation is repeated until the next group of welding positions are welded through a visual compensation triaxial servo moving mechanism. This mechanism sets up quick change structure and just quick change locating base 3's high accuracy location pinhole, adopts pull formula pin locate mode with triaxial servo moving mechanism's locating pin, but different product welding quick change type just changes this mechanism of matching different electric core products promptly, and guarantee welding quality promotes welding once and exchanges and examine the qualification rate, adopts quick change mechanism to promote the type change efficiency simultaneously and reduces manual operation cost.
Claims (9)
1. The utility model provides a cell chip welding copper mouth hold-down mechanism, with outside triaxial servo moving mechanism cooperation to compress tightly cell pole post and chip before carrying out the welding work, and with outside shielding gas air supply cooperation provide shielding gas and remove dust when carrying out the welding work at cell pole post and chip, characterized by, including a rectangular platy copper mouth mounting base plate (1), copper mouth mounting base plate (1) is gone up along left and right direction interval and symmetry and is provided with two sets of welding copper mouth (5), welding copper mouth (5) pass copper mouth mounting base plate (1) and fix on copper mouth mounting base plate (1), every group welding copper mouth (5) all include four copper mouths along fore-and-aft direction range, copper mouth's top and bottom all open-ended, two dust removing pipelines (6) which are arranged at intervals along the front-back direction and are symmetrical are arranged on the outer side of each group of welding copper nozzles (5), each dust removing pipeline (6) is communicated with one dust removing pipeline base (7) and is fixed on a copper nozzle mounting substrate (1) through the dust removing pipeline base (7), dust removing ports (10) which are arranged on one side of the bottoms of two adjacent copper nozzles which are close to the front side in each group of welding copper nozzles (5) are communicated with one dust removing pipeline base (7) through pipelines, dust removing ports (10) which are arranged on one side of the bottoms of the other two adjacent nozzles in each group of welding copper nozzles (5) are communicated with the other dust removing pipeline base (7) through pipelines, a protective gas outlet (11) is arranged on the other side of the bottoms of each copper nozzle, each copper nozzle of each group of welding copper nozzles (5) is provided with a corresponding flowmeter (2) which is arranged on the copper nozzle mounting substrate (1), a protective gas outlet (11) of each copper nozzle is communicated with a gas outlet of the corresponding flowmeter (2) through a pipeline, and a gas inlet of the flowmeter (2) is communicated with an external protective gas source.
2. The die-bonding copper nozzle pressing mechanism according to claim 1, wherein after the lower part of each copper nozzle in each group of bonding copper nozzles (5) passes through the copper nozzle mounting substrate (1), four corner points on each of two sides of the bottom of each copper nozzle are fixedly connected with the lower surface of the copper nozzle mounting substrate (1) through a guide post (9), and the guide post (9) is provided with external threads and is in threaded connection with an internal threaded hole corresponding to the lower surface of the copper nozzle mounting substrate (1).
3. The die-bonding copper nozzle pressing mechanism according to claim 2, wherein each guide post (9) is sleeved with a spring (8), two ends of the spring (8) are respectively abutted against the lower surface of the copper nozzle mounting substrate (1) and the copper nozzle, and pressing force on the copper nozzle is provided through compression of the spring (8).
4. The die-bonding copper nozzle pressing mechanism of claim 1, wherein two sides of the copper nozzle mounting substrate (1) are respectively provided with a quick-change positioning base (3), the quick-change positioning base (3) is a high-precision positioning pin hole, and the quick-change positioning base is in positioning connection with an external triaxial servo moving mechanism through a positioning pin.
5. The die attach copper nozzle compression mechanism of claim 1, wherein the top and bottom openings of each copper nozzle are rectangular, and the top opening of each copper nozzle has a length and width greater than the length and width of the bottom opening, such that the four interior surfaces of the copper nozzle form a trapezoidal mesa shape.
6. The die attach copper nozzle compression mechanism of claim 5, wherein the four interior surfaces of the copper nozzle are all at an angle of 18 ° to the vertical.
7. The die-bonding copper nozzle pressing mechanism according to claim 1, wherein a handle (4) is provided on each of the front side end face and the rear side end face of the copper nozzle mounting substrate (1).
8. The die-bonding copper nozzle pressing mechanism according to claim 6, wherein two handles (4) on the copper nozzle mounting substrate (1) are symmetrically arranged.
9. The die-bonding copper nozzle pressing mechanism according to claim 1, wherein the upper pipe orifice of each dust removing pipe (6) is connected with an external industrial-grade explosion-proof dust remover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321684001.3U CN220145133U (en) | 2023-06-30 | 2023-06-30 | Electric core chip welding copper mouth hold-down mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321684001.3U CN220145133U (en) | 2023-06-30 | 2023-06-30 | Electric core chip welding copper mouth hold-down mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220145133U true CN220145133U (en) | 2023-12-08 |
Family
ID=89010291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321684001.3U Active CN220145133U (en) | 2023-06-30 | 2023-06-30 | Electric core chip welding copper mouth hold-down mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220145133U (en) |
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2023
- 2023-06-30 CN CN202321684001.3U patent/CN220145133U/en active Active
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