CN113275687A - Welding bottom plate device and battery string production equipment - Google Patents
Welding bottom plate device and battery string production equipment Download PDFInfo
- Publication number
- CN113275687A CN113275687A CN202110827064.9A CN202110827064A CN113275687A CN 113275687 A CN113275687 A CN 113275687A CN 202110827064 A CN202110827064 A CN 202110827064A CN 113275687 A CN113275687 A CN 113275687A
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- 238000003466 welding Methods 0.000 title claims abstract description 214
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims description 43
- 239000002699 waste material Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 239000000969 carrier Substances 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052709 silver Inorganic materials 0.000 abstract description 2
- 239000004332 silver Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
- B23K1/0016—Brazing of electronic components
-
- 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/04—Heating appliances
- B23K3/047—Heating appliances electric
-
- 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1876—Particular processes or apparatus for batch treatment of the devices
- H01L31/188—Apparatus specially adapted for automatic interconnection of solar cells in a module
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Sustainable Energy (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Sustainable Development (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention provides a welding bottom plate device and battery string production equipment, and relates to the technical field of battery string production. This welding bottom plate device, including the welding bottom plate body, a plurality of welding wire afterbody clamping jaw that are parallel arrangement are seted up to the upper surface of welding bottom plate body and are kept away the dead slot, the surface of welding bottom plate body runs through and sets up the battery piece negative pressure that a plurality of was arranged in the rectangular array and adsorbs the hole, high temperature resistant strong magnet pre-buried groove has all been seted up to the upper surface of welding bottom plate body and the both sides that are located welding wire afterbody clamping jaw and keep away the dead slot. According to the invention, the welding wire positioning groove is processed on the welding bottom plate, and the welding wire is accurately positioned, so that the position coincidence precision of the main grid line and the welding wire of the battery piece is higher, the width of the main grid line on the front side and the back side of the battery piece can be smaller, silver paste is saved, the diameter of the welding wire can be reduced, the welding wire with the same weight can be processed longer, more battery strings are welded, and the use cost of the battery piece and the welding wire is greatly reduced.
Description
Technical Field
The invention relates to the technical field of battery string production, in particular to a bottom plate welding device and battery string production equipment.
Background
The cell is generally divided into monocrystalline silicon, polycrystalline silicon and amorphous silicon monocrystalline silicon solar cells, which are the fastest developed solar cells currently, the construction and production process of the solar cells are established, and the products are widely used in space and ground. The solar cell takes a high-purity silicon single crystal rod as a raw material. In order to reduce the production cost, solar-grade single crystal silicon rods are adopted for solar cells and the like applied to the ground, and the material performance index is widened. And some silicon single crystal rods special for the solar cell can also be prepared by redrawing head and tail materials processed by semiconductor devices and waste secondary single crystal silicon materials.
At present, a series welding machine welding bottom plate and a series welding device produced by a certain factory in China adopt a fixed platform to place a battery piece, then send the laid battery piece and a welding wire to the lower part of a welding lamp through a Teflon belt for a plurality of times of start and stop, and finally weld; in the series of operation flows, relative position movement is generated between the welding wire and the battery piece and between the welding bottom plate and the welding bottom plate, so that the round welding wire is easy to roll on the Teflon belt, and the welding wire and the main grid line on the battery piece deviate when the welding wire is conveyed to a welding position, thereby causing poor welding.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a device for welding a bottom plate and battery string production equipment, which solve the defects and shortcomings in the prior art.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a welding bottom plate device, includes the welding bottom plate body, a plurality of welding wire afterbody clamping jaw that are parallel arrangement keep away the dead slot is seted up to the upper surface of welding bottom plate body, the surface of welding bottom plate body runs through and sets up the battery piece negative pressure absorption hole that a plurality of was arranged in the rectangular array, high temperature resistant strong magnet pre-buried groove has all been seted up to the upper surface of welding bottom plate body and the both sides that are located welding wire afterbody clamping jaw and keep away the dead slot.
Preferably, the welding bottom plate body is fixedly connected with a heating tube and a thermocouple, and the upper surface of the welding bottom plate body is provided with a welding wire positioning groove.
Preferably, the high-temperature-resistant strong magnet is arranged in the high-temperature-resistant strong magnet embedded groove.
The utility model provides a battery cluster production facility, includes the splice plate device, one side upper surface of splice plate device is provided with the roll brush and takes out waste residue mechanism, the middle part upper surface of splice plate device is provided with the welding lamp module group, the rear side of splice plate device is provided with slide mechanism, sliding connection has welding wire head clamping jaw mechanism on the slide mechanism, welding wire head clamping jaw mechanism is located the splice plate device directly over, the opposite side below of splice plate device is provided with afterbody clamping jaw actuating mechanism, fixedly connected with welding wire afterbody clamping jaw mechanism on the afterbody clamping jaw actuating mechanism.
Preferably, a plurality of bonding wire carriers are arranged on two sides of the upper surface of the welding bottom plate device.
Preferably, a plurality of heat dissipation holes are formed in the welding lamp module, and the upper surface of the welding lamp module is fixedly connected with a fixing frame.
The invention provides a welding bottom plate device and battery string production equipment. The method has the following beneficial effects:
1. according to the invention, the welding wire positioning groove is processed on the welding bottom plate, and the welding wire is accurately positioned, so that the position coincidence precision of the main grid line and the welding wire of the battery piece is higher, the width of the main grid line on the front side and the back side of the battery piece can be smaller, silver paste is saved, the diameter of the welding wire can be reduced, the welding wire with the same weight can be processed longer, more battery strings are welded, and the use cost of the battery piece and the welding wire is greatly reduced.
2. According to the invention, when the welding wire and the battery piece are laid on the welding bottom plate, the head and the tail of the welding wire are clamped by the clamping jaws, so that the welding wire is prevented from being bent and can be accurately placed in the welding wire positioning groove and on the main grid line on the front surface of the battery piece.
3. According to the invention, the welding bottom plate is in a movable design, the movement of any position can be controlled, the battery piece, the welding wire and the welding wire carrier cannot move relative to the welding bottom plate from the position where the battery piece, the welding wire and the welding wire carrier are fixed on the welding bottom plate to the position where the battery piece and the welding wire carrier are not fixed before the welding is finished, and the superposition accuracy of the main grid line of the battery piece and the welding wire is higher.
4. According to the invention, two groups of battery pieces and welding wires can be placed on each group of mobile welding bottom plates at the same time, even more groups of battery pieces and welding wires can be placed on each group of mobile welding bottom plates, so that the productivity of welding battery strings can be higher.
5. According to the invention, a group of rolling brush mechanisms is arranged behind the welding lamp module, and the rolling brushes clean the welding wire positioning grooves on the welding bottom plate in the process of returning the welding bottom plate to the position for placing the battery piece and the welding wire, so that no foreign matter is kept in the welding wire positioning grooves.
Drawings
FIG. 1 is a schematic structural view of a welded base plate according to the present invention;
FIG. 2 is a three-dimensional view of the structure of the present invention;
FIG. 3 is a top view of the structure of the present invention.
1, welding a bottom plate body; 2. a welding wire tail clamping jaw clearance groove; 3. negative pressure adsorption holes of the battery plate; 4. a high-temperature-resistant strong magnet pre-buried groove; 5. welding a bottom plate device; 6. a rolling brush and a waste residue pumping mechanism; 7. welding a lamp module; 8. a bonding wire carrier; 9. a sliding mechanism; 10. a welding wire head clamping jaw mechanism; 11. a tail jaw drive mechanism; 12. a welding wire tail clamping jaw mechanism; 13. high-temperature resistant strong magnet; 14. heat dissipation holes; 15. a fixing frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1 to 3, an embodiment of the invention provides a welding baseplate device, which includes a welding baseplate body 1, wherein the upper surface of the welding baseplate body 1 is provided with a plurality of welding wire tail clamping jaw clearance grooves 2 arranged in parallel, the surface of the welding baseplate body 1 is provided with a plurality of battery piece negative pressure adsorption holes 3 arranged in a rectangular array in a penetrating manner, and both sides of the welding wire tail clamping jaw clearance grooves 2 on the upper surface of the welding baseplate body 1 are provided with high temperature resistant strong magnet embedded grooves 4.
Fixedly connected with heating tube and thermocouple on the welding bottom plate body 1, welding wire constant head tank has been seted up to welding bottom plate body 1 upper surface, and the inside of high temperature resistant strong magnet embedded groove 4 is provided with high temperature resistant strong magnet 13.
The utility model provides a battery cluster production facility, including welding plate device 5, one side upper surface of welding plate device 5 is provided with the roll brush and takes out waste residue mechanism 6, the middle part upper surface of welding plate device 5 is provided with welding lamp module 7, the rear side of welding plate device 5 is provided with slide mechanism 9, sliding connection has welding wire head clamping jaw mechanism 10 on slide mechanism 9, welding wire head clamping jaw mechanism 10 is located welding plate device 5 directly over, welding plate device 5's opposite side below is provided with afterbody clamping jaw actuating mechanism 11, fixedly connected with welding wire afterbody clamping jaw mechanism 12 on afterbody clamping jaw actuating mechanism 11.
The upper surface both sides of welding bottom plate device 5 all are provided with a plurality of pressure welding wire carrier 8, have seted up a plurality of louvre 14 on the welding lamp module 7, and the last fixed surface of welding lamp module 7 is connected with mount 15.
The working principle is as follows: the welding bottom plate device 5 is a movable welding bottom plate mechanism, and meanwhile, a welding wire head clamping jaw mechanism 10, a welding wire tail clamping jaw mechanism 12 and a welding wire pressing carrier 8 are required to be matched to finish the laying of welding wires and battery pieces; the welding wire positioning grooves corresponding to the main grid lines of the battery pieces are formed in the welding bottom plate body 1, the groove width is about 0.1mm larger than the diameter of the welding wire, and the groove depth is about 0.15mm smaller than the diameter of the welding wire, so that the welding wire can be accurately laid in the welding wire positioning grooves preset in the welding bottom plate body 1, and the position accuracy of the welding wire corresponding to the main grid lines of the battery pieces is guaranteed; meanwhile, the welding wire protrudes out of the welding bottom plate body 1, so that the battery plate is ensured to be in full contact with the welding wire during welding, and cold joint is not easy to generate; firstly, a welding wire carrying mechanism carries a cut welding wire to a welding bottom plate body 1, a welding wire head clamping jaw mechanism 10 clamps the head of the welding wire, a welding wire tail clamping jaw mechanism 12 extends to clamp the tail end of the welding wire, a welding wire carrying module releases the welding wire and leaves the welding bottom plate body 1, then the welding wire tail clamping jaw mechanism 12 clamps the tail end of the welding wire and descends to enable the welding wire to fall into a welding wire positioning groove on the welding bottom plate body 1, a battery piece carrying mechanism carries a positioned battery piece and a welding wire carrier to the welding bottom plate (the welding wire carrier presses the welding wire on a main grid line on the front surface of the battery piece, the battery piece presses the welding wire laid on the front surface of the previous battery piece), then the welding wire head clamping jaw mechanism 10 is loosened and ascended to a set position, meanwhile, the welding wire tail clamping jaw mechanism 12 is loosened and descends to the set position, and finally the welding bottom plate body 1 translates to the position of a battery piece plus one piece interval, then, the battery pieces and the welding wires are laid by repeating the previous actions until a whole series of battery pieces are laid, and the production is repeated by taking the whole series of battery pieces as a cycle;
the welding bottom plate body 1 is provided with a heating tube and a thermocouple, so that the battery piece is fully preheated, and hidden cracking of the battery piece caused by large instantaneous temperature difference between the battery piece and a welding wire during later welding is facilitated;
a negative pressure adsorption hole 3 of a battery piece is formed between a welding wire positioning groove and a positioning groove on a welding bottom plate body 1, and high-temperature-resistant strong magnets 13 are embedded in high-temperature-resistant strong magnet embedding grooves 4 formed in two sides of the welding bottom plate body 1 and used for fixing a welding wire carrier 8, so that the welding wire carrier 8 is prevented from sliding relatively due to inertia in the moving process of the welding bottom plate body 1, and the positions of a welding wire on the front side of the battery piece and a main grid line on the front side of the battery piece are prevented from being dislocated; because the whole welding bottom plate body 1 moves, the battery piece, the welding wire and the bonding wire carrier 8 are fixed relative to the welding bottom plate body 1 in the whole process from moving to the welding bottom plate body 1 to finishing welding, the relative position is not changed, and the position precision of the welding wire and the main grid line of the battery piece is higher;
the welding bottom plate body 1 is provided with a welding wire tail clamping jaw clearance groove 2 from which a welding wire tail clamping jaw mechanism 12 extends, and after the welding bottom plate body 1 moves by a position, the welding wire tail clamping jaw mechanism 12 can extend out of the welding bottom plate body 1 and clamp the tail of a welding wire and clamp and position the welding wire to be drawn into a welding wire positioning groove so as to ensure the accuracy of the welding wire on the back surface of the battery piece;
after the welding of the battery strings on the welding bottom plate body 1 is completed and taken away, the welding bottom plate body 1 is provided with a rolling brush and a waste residue pumping mechanism 6 to clean a welding wire positioning groove on the welding bottom plate body 1 in the process of returning to the positions of the battery pieces and the welding wires.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a welding bottom plate device, includes welding bottom plate body (1), its characterized in that: a plurality of welding wire afterbody clamping jaws that are parallel arrangement keep away dead slot (2) are seted up to the upper surface of welding bottom plate body (1), the surface of welding bottom plate body (1) runs through and sets up battery piece negative pressure absorption hole (3) that a plurality of was the rectangular array and arranges, high temperature resistant strong magnet embedded groove (4) have all been seted up to the upper surface of welding bottom plate body (1) and the both sides that are located welding wire afterbody clamping jaw and keep away dead slot (2).
2. The apparatus of claim 1, wherein: the welding bottom plate comprises a welding bottom plate body (1), wherein a heating tube and a thermocouple are fixedly connected to the welding bottom plate body (1), and a welding wire positioning groove is formed in the upper surface of the welding bottom plate body (1).
3. The apparatus of claim 1, wherein: and a high-temperature-resistant strong magnet (13) is arranged in the high-temperature-resistant strong magnet embedded groove (4).
4. A battery string production facility, includes welding bottom plate device (5), its characterized in that: the welding bottom plate device is characterized in that a rolling brush and a waste residue extracting mechanism (6) are arranged on the upper surface of one side of the welding bottom plate device (5), a welding lamp module (7) is arranged on the upper surface of the middle of the welding bottom plate device (5), a sliding mechanism (9) is arranged on the rear side of the welding bottom plate device (5), a welding wire head clamping jaw mechanism (10) is connected to the sliding mechanism (9) in a sliding mode, the welding wire head clamping jaw mechanism (10) is located right above the welding bottom plate device (5), an tail clamping jaw driving mechanism (11) is arranged below the other side of the welding bottom plate device (5), and a welding wire tail clamping jaw mechanism (12) is fixedly connected to the tail clamping jaw driving mechanism (11).
5. The battery string producing apparatus according to claim 4, wherein: and a plurality of welding wire carriers (8) are arranged on two sides of the upper surface of the welding bottom plate device (5).
6. The battery string producing apparatus according to claim 4, wherein: a plurality of heat dissipation holes (14) are formed in the welding lamp module (7), and a fixing frame (15) is fixedly connected to the upper surface of the welding lamp module (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110827064.9A CN113275687A (en) | 2021-07-21 | 2021-07-21 | Welding bottom plate device and battery string production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110827064.9A CN113275687A (en) | 2021-07-21 | 2021-07-21 | Welding bottom plate device and battery string production equipment |
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| Publication Number | Publication Date |
|---|---|
| CN113275687A true CN113275687A (en) | 2021-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110827064.9A Pending CN113275687A (en) | 2021-07-21 | 2021-07-21 | Welding bottom plate device and battery string production equipment |
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| Country | Link |
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| CN (1) | CN113275687A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113634846A (en) * | 2021-08-05 | 2021-11-12 | 深圳光远智能装备股份有限公司 | Dense grid welding strip positioning method and battery string production equipment |
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2021
- 2021-07-21 CN CN202110827064.9A patent/CN113275687A/en active Pending
Patent Citations (7)
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| CN105436730A (en) * | 2015-12-30 | 2016-03-30 | 宁夏小牛自动化设备有限公司 | Infrared heating welding device and method thereof as well as series welding machine |
| CN106425182A (en) * | 2016-10-24 | 2017-02-22 | 无锡先导智能装备股份有限公司 | Welding strip dual traction mechanism and welding strip traction method |
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| CN109604874A (en) * | 2019-01-24 | 2019-04-12 | 晶澳（邢台）太阳能有限公司 | A kind of string welding machine absorption cleaning plant and absorption method for cleaning |
| CN112599631A (en) * | 2020-11-20 | 2021-04-02 | 晶澳（邢台）太阳能有限公司 | Welding pressing claw mechanism of series welding machine, series welding machine and welding strip welding method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113634846A (en) * | 2021-08-05 | 2021-11-12 | 深圳光远智能装备股份有限公司 | Dense grid welding strip positioning method and battery string production equipment |
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Application publication date: 20210820 |