CN218904030U - Current collecting disc welding jig and laser welding equipment - Google Patents
Current collecting disc welding jig and laser welding equipment Download PDFInfo
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- CN218904030U CN218904030U CN202222820923.4U CN202222820923U CN218904030U CN 218904030 U CN218904030 U CN 218904030U CN 202222820923 U CN202222820923 U CN 202222820923U CN 218904030 U CN218904030 U CN 218904030U
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- 238000003466 welding Methods 0.000 title claims abstract description 78
- 239000000428 dust Substances 0.000 claims description 15
- 230000001012 protector Effects 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims 1
- 230000001681 protective effect Effects 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 59
- 238000000034 method Methods 0.000 description 7
- 230000002349 favourable effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- 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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- Laser Beam Processing (AREA)
Abstract
The utility model discloses a welding jig for a current collecting disc and laser welding equipment. The welding jig for the current collecting disc comprises a base and a protecting piece, wherein the base is provided with a mounting groove; the protection piece is arranged in the mounting groove, the protection piece comprises a propping part, an avoidance groove is formed in the propping part, and the avoidance groove is arranged corresponding to a welding area of the current collecting disc so that the welding area can be exposed through the avoidance groove; the protection piece is internally provided with an air channel which is communicated with an external air source and penetrates through the side wall of the avoidance groove, so that the side wall of the avoidance groove can blow out protection gas. The gas outlet of the current collecting disc welding jig and the distance of a welding area are short, and the possibility that protective gas is diffused in air after being blown out from the gas outlet is reduced.
Description
Technical Field
The utility model relates to the field of battery manufacturing, in particular to a current collecting disc welding jig and laser welding equipment.
Background
In the related art, when the current collecting disc is welded to the battery core, in order to improve welding quality, shielding gas needs to be blown into a to-be-welded area, in the prior art, an independent vent pipe is generally adopted to blow the shielding gas towards the to-be-welded area, but because the blocking of a welding jig and a laser head, the interval between the air outlet of the vent pipe and the current collecting disc is larger, the shielding gas continuously diffuses and escapes in the moving process from the air outlet to the current collecting disc, and only less shielding gas can reach the appointed to-be-welded area, so that poor welding quality is caused.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the current collecting disc welding jig, the distance between the air outlet of the current collecting disc welding jig and the area to be welded is short, and the possibility that protective gas is diffused in air after being blown out from the air outlet is reduced.
The utility model also provides laser welding equipment with the current collecting disc welding jig.
According to an embodiment of the first aspect of the present utility model, a current collecting tray welding jig includes:
the base is provided with a mounting groove;
the protection piece is arranged in the mounting groove and comprises a propping part, an avoidance groove is formed in the propping part, and the avoidance groove is arranged corresponding to a to-be-welded area of the current collecting disc so that the to-be-welded area can be exposed through the avoidance groove;
the protection piece is internally provided with an air channel which is communicated with an external air source and penetrates through the side wall of the avoidance groove, so that the side wall of the avoidance groove can blow out protection gas.
The welding jig for the current collecting disc has the following beneficial effects: the gas outlet of the current collecting disc welding jig is short in distance from the region to be welded, and the possibility that protective gas is diffused in air after being blown out from the gas outlet is reduced. And through giving vent to anger at the chamber wall of welding chamber, can make shielding gas fill the space in the welding chamber effectively, extrude the oxygen of discharging the welding intracavity, more be favorable to welding quality's improvement.
According to some embodiments of the utility model, the protection member comprises a first plate and a second plate, the air channel comprises an air inlet channel and an air outlet channel, the first plate is provided with the air inlet channel, the air inlet channel is communicated with an external air source, the second plate is provided with the air outlet channel, the air outlet channel is communicated with the avoidance groove, the propping portion is located on the second plate, and the second plate further comprises a main body portion circumferentially surrounding the propping portion.
According to some embodiments of the utility model, the abutment portion protrudes from the main body portion to extend into the interior of the battery case.
According to some embodiments of the present utility model, the supporting portion is provided with a plurality of avoidance grooves, an end surface of the main body portion, which is axially far from the supporting portion, is set to be a first end surface, a first air guide groove is formed in the first end surface, the air path channel further includes an air guide channel, the air guide channel is defined by a groove wall of the first air guide groove and a bottom wall of the first plate, the air guide channel is communicated with the air inlet channel and the air outlet channel, an end surface of the supporting portion, which is axially far from the main body portion, is set to be a second end surface, a first air outlet groove is formed in the second end surface, first through holes are formed in the second plate, the number of the first through holes, the first air outlet grooves and the avoidance grooves are the same, and the first through holes are communicated with the first air guide grooves and the corresponding avoidance grooves, and the first air outlet grooves are communicated with the corresponding grooves.
According to some embodiments of the present utility model, the supporting portion is provided with a plurality of avoidance grooves, the avoidance grooves are distributed along a circumferential direction, an end surface of the main body portion, which is axially far away from the supporting portion, is set to be a first end surface, a first air guide groove is formed in the first end surface, the air path channel includes an air guide channel, the air guide channel is defined by a groove wall of the first air guide groove and a bottom wall of the first plate, the air guide channel is communicated with the air guide channel and the air outlet channel, an end surface of the supporting portion, which is axially far away from the main body portion, is set to be a second end surface, at least one first air guide groove, a plurality of second air outlet grooves and one air collecting groove are formed in the second end surface, the avoidance grooves are arranged around the air collecting groove, the second plate is provided with a first through hole, the first through hole is communicated with the first air guide groove and the first air inlet groove, the first air inlet groove is communicated with the air outlet groove, and the other end of the second air inlet groove is communicated with the air collecting groove.
According to some embodiments of the utility model, the second end face is provided with a plurality of first air inlet grooves, and each first air inlet groove is uniformly distributed along the circumferential direction.
According to some embodiments of the utility model, the second plate further includes a bottom cover plate, and the bottom cover plate is covered on the second end surface and defines the air outlet channel with the groove wall of the first air inlet groove, the groove wall of the second air outlet groove, and the groove wall of the air collecting groove.
According to some embodiments of the utility model, the dust hood is arranged on the top surface of the protection piece, and the dust hood is communicated with an external air pump and can form negative pressure in the dust hood.
According to some embodiments of the utility model, the mounting groove comprises a first groove and a first through groove, the first through groove penetrates through the bottom wall of the first groove, the protection piece penetrates through the first through groove and is abutted against the bottom wall of the first groove, the bottom wall of the first groove is further provided with a fixing seat and a threaded fastener, the threaded fastener penetrates through the fixing seat and is abutted against the side wall of the protection piece, and the position of the protection piece in the first groove can be adjusted by rotating the threaded fastener.
A laser welding apparatus according to an embodiment of a second aspect of the present utility model includes:
the laser head is used for emitting laser;
as with the current collecting tray welding jig mentioned in any of the embodiments above, the laser can illuminate the area of the current collecting tray to be welded through the avoiding groove.
The laser welding equipment provided by the embodiment of the utility model has at least the following beneficial effects: because this mass flow dish welding jig can greatly reduce the condition that shielding gas is at the in-process diffusion of removing to waiting the welded area for shielding gas can reach the appointed region effectively and weld the protection, on the one hand laser welding equipment's welding quality can be showing and promote, on the other hand because shielding gas's effective utilization ratio has promoted, also means under the circumstances of guaranteeing same welding quality, shielding gas's use amount can be reduced, is favorable to reducing laser welding equipment's use cost.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a top view of a current collecting plate welding jig according to an embodiment of the present utility model;
FIG. 2 isbase:Sub>A schematic view of section A-A of FIG. 1;
FIG. 3 is an enlarged schematic view of region C of FIG. 2;
FIG. 4 is a schematic view in section B-B of FIG. 1;
FIG. 5 is an enlarged schematic view of area D of FIG. 4;
FIG. 6 is a schematic view of a first end surface of an abutment according to one embodiment of the present utility model;
FIG. 7 is a schematic view of a second end face of the abutting portion according to one embodiment of the present utility model;
FIG. 8 is a schematic view of a first end surface of an abutment according to another embodiment of the present utility model;
fig. 9 is a schematic view of a second end face of the abutting portion according to another embodiment of the present utility model.
Reference numerals:
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, the meaning of a number is one or more, the meaning of a number is two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and the meaning of a number is understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
In the description of the present utility model, the descriptions of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The application provides a welding jig for a current collecting disc, as shown in fig. 1 and 2, the welding jig comprises a base 100 and a protection piece 200, wherein the base 100 is provided with a mounting groove, the protection piece 200 is arranged in the mounting groove, the protection piece 200 comprises a propping part 410, the propping part 410 is used for propping against the current collecting disc, an avoidance groove 411 is formed in the propping part 410, the avoidance groove 411 is correspondingly arranged with a to-be-welded area 600 of the current collecting disc, so that the to-be-welded area 600 can be exposed through the avoidance groove 411, on one hand, the propping part 410 can be propped against the current collecting disc, so that the current collecting disc is in a compressed state in the welding process, and welding gaps are avoided; on the other hand, the propping part 410 is propped against the current collecting disc, only the to-be-welded area 600 of the current collecting disc is exposed through the avoidance slot 411, and other non-welding areas are covered by the solid part of the propping part 410, so that welding slag is prevented from splashing to the non-welding areas in the welding process, and the surface of the current collecting disc is prevented from being damaged; in addition, the abutting portion 410 also provides a basis for setting the air path channel, shortens the distance from the air outlet to the to-be-welded area 600, effectively reduces the diffusion of the shielding gas, and enables the shielding gas to reach the designated area (i.e. the to-be-welded area 600) as much as possible.
The protection member 200 defines an air path channel therein, and the air path channel is communicated with an external air source and penetrates through the side wall of the avoidance slot 411, so that the side wall of the avoidance slot 411 can blow out the protection gas. During laser welding, the current collecting disc is abutted to the abutting part 410, the to-be-welded area 600 is exposed through the avoidance groove 411, laser irradiates the to-be-welded area 600 through the avoidance groove 411 to be welded, meanwhile, shielding gas is supplied to the side wall of the avoidance groove 411 from an external gas source through a gas path channel to be blown out, and the shielding gas can be inert gas such as nitrogen, argon or helium, so that a welding seam molten pool can be effectively protected to reduce the probability of being oxidized, and the welding quality is improved. The welding cavity defined by the groove wall of the avoidance groove 411 and the top surface of the collecting disc is extruded and discharged with the protective gas from the side wall of the avoidance groove 411, so that the welding cavity is filled with the protective gas, and the rapid oxidation of the metal solution in the molten pool can be avoided. Compared with the method of blowing out the protective gas through the vent pipe in the prior art, the distance between the gas outlet and the region 600 to be welded in the application is greatly shortened, and the possibility of diffusion of the protective gas in the air after the protective gas is blown out from the gas outlet is reduced. And through giving vent to anger at the chamber wall of welding chamber, can make shielding gas fill the space in the welding chamber effectively, extrude the oxygen of discharging the welding intracavity, more be favorable to welding quality's improvement.
In some embodiments, the protector 200 is manufactured separately in consideration of manufacturing costs or manufacturing difficulties. Specifically, as shown in fig. 2 and fig. 3, the protection member 200 includes a first plate 300 and a second plate 400, the air path channel includes an air inlet channel 310 and an air outlet channel 414, the first plate 300 is provided with the air inlet channel 310, the air inlet channel 310 is communicated with an external air source, the second plate 400 is provided with the air outlet channel 414, the air outlet channel 414 is communicated with the avoidance slot 411, the abutting portion 410 is located on the second plate 400, the second plate 400 further includes a main body portion 420, the main body portion 420 circumferentially surrounds the abutting portion 410, and the thickness of the abutting portion 410 is far smaller than that of the main body portion 420, so as to avoid limiting the laser incident angle due to too deep depth of the avoidance slot 411. Further, as shown in fig. 2, since the current collecting plate is often fixed to the inside of the battery case, the abutting part 410 is axially protruded from the body part 420 so as to protrude into the inside of the battery case.
In some embodiments, as shown in fig. 3, 5 and 6, the end surface of the main body 420 away from the supporting portion 410 along the axial direction is set as a first end surface 421, a first air guiding groove 422 is formed on the first end surface 421, the air path channel further includes an air guiding channel 423, the air guiding channel 423 is defined by the groove wall of the first air guiding groove 422 and the bottom wall of the first plate 300, and when the first plate 300 and the second plate 400 are manufactured separately, the first air guiding groove 422 is located on the end surface of the main body 420, which is convenient for processing. After the first plate 300 and the second plate 400 are assembled, the air guide groove 422 and the bottom wall of the first plate 300 jointly define an air guide channel 423, so as to conduct the air inlet channel 310 of the first plate 300 and the air outlet channel 414 of the second plate 400.
As shown in fig. 3, 5 and 7, the end surface of the abutting portion 410, which is far away from the main body portion 420 along the axial direction, is set to be a second end surface 412, a first air outlet groove 413 is formed on the second end surface 412, the first air outlet groove 413 can define an air outlet channel 414, and in a specific embodiment, as shown in fig. 5, a bottom cover plate 415 is disposed on the second end surface 412, and the bottom cover plate 415 and the first air outlet groove 413 define the air outlet channel 414; alternatively, the end surface of the collecting tray and the first air outlet groove 413 may define the air outlet channel 414 after the abutting portion 410 abuts against the end surface of the collecting tray.
As shown in fig. 6 and 7, the second plate 400 is provided with a first through hole 430, the first through hole 430 communicates with the first air guide groove 422 and the first air outlet groove 413, that is, with the air guide passage 423 and the air outlet passage 414, and the first air outlet groove 413 communicates with the escape groove 411, that is, the air outlet passage 414 communicates with the escape groove 411. Dodge the slot 411 and be provided with a plurality ofly, the quantity in first through-hole 430, first air outlet slot 413 and dodge the slot 411 and be equivalent, and then each dodge the slot 411 and communicate with first air guide slot 422 (i.e. air guide channel 423) through corresponding first through-hole 430 and corresponding first air outlet slot 413 (i.e. air outlet channel 414), dodge slot 411 and first through-hole 430 one-to-one intercommunication, the structure is comparatively simple clear.
During laser welding, shielding gas is blown out from an external gas source, flows through the gas inlet channel 310, the first gas guide groove 422, the first through hole 430 and the first gas outlet groove 413 in sequence, and finally flows into the welding cavity. The first air guide groove 422 is annular, and thus can define an annular air guide channel 423, as shown in fig. 2 and 3, and two air inlet connectors are provided, through which an external air source communicates with the air inlet channel 310 to supply the shielding gas. After the shielding gas flows to the air guide channel 423 through the air inlet channel 310, the shielding gas can be uniformly dispersed along with the annular air guide channel 423, and the flow rate of the gas is relatively uniform in all parts, so that the situation that the part of the shielding gas blown out of the slot 411 is more or even overflows, and the other part of the shielding gas blown out of the slot 411 is insufficient, so that effective protection cannot be performed is avoided.
In other embodiments, as shown in fig. 8 and 9, a plurality of avoidance slots 411 distributed along the circumferential direction are provided on the abutting portion 410, at least one first air inlet slot 416, a plurality of second air outlet slots 417 and one air collecting slot 418 are provided on the second end face 412, the number of the second air outlet slots 417 is equal to the number of the avoidance slots 411, the avoidance slots 411 are arranged around the air collecting slot 418, one end of the second air outlet slots 417 is communicated with the avoidance slots 411, and the other end is communicated with the air collecting slot 418. The number of the first through holes 430 is equal to the number of the first air inlet grooves 416, and one end of the first air inlet groove 416 is communicated with the first through holes 430, and the other end is communicated with the air collecting groove 418. Further, after the shielding gas is blown out from the external gas source, the shielding gas flows through the gas inlet channel 310, the first gas guide groove 422, the first through hole 430, the first gas inlet groove 416, the gas collecting groove 418, and the second gas outlet groove 417 in this order, and finally flows into the welding chamber. By providing the gas collecting channel 418, only the first gas inlet channel 416 and the corresponding number of first through holes 430 need to be provided at least at one place, and the shielding gas will be collected in the gas collecting channel 418 first after flowing into the gas outlet channel 414, and then dispersed into each second gas outlet channel 417. Compared with the situation that the first through holes 430 and the avoidance slots 411 are arranged in a one-to-one correspondence, when the number of the avoidance slots 411 is large, the number of the first through holes 430 can be reduced, and only the first air inlet slot 416, the air collecting slot 418 and the second air outlet slot 417 need to be processed on the second end face 412, so that the process difficulty is reduced, and the production efficiency is improved. In some further embodiments, the second end face 412 is provided with a plurality of first air inlet grooves 416, where each first air inlet groove 416 is uniformly distributed along the circumferential direction, and two pairs of first air inlet grooves 416 are disposed opposite to each other, so as to ensure that air flows in and out of the air collecting grooves 418 uniformly, and prevent air from flowing out from the outlet of the first air inlet groove 416 to the air collecting grooves 418, and then flowing directly to the first air outlet grooves 413 disposed opposite to each other under the inertia effect, and the second air outlet grooves 417 in other directions can only pass a small amount of protective gas.
In some embodiments, as shown in fig. 2, the dust removing device further comprises a dust removing cover 500, the dust removing cover 500 is arranged on the top surface of the protection piece 200, the dust removing cover 500 is communicated to an external air extracting pump, negative pressure can be formed in the dust removing cover 500, impurities such as dust generated by welding can be extracted during laser welding, the influence of the dust on welding quality is avoided, and equipment faults caused by dust escape can be avoided.
In some embodiments, as shown in fig. 1 and 2, the mounting groove includes a first groove 110 and a first through groove 120, the first through groove 120 penetrates through the bottom wall of the first groove 110, the protection member 200 penetrates through the first through groove 120 and abuts against the bottom wall of the first groove 110, the bottom wall of the first groove 110 is further provided with a fixing seat 130 and a threaded fastener 140, the threaded fastener 140 penetrates through the fixing seat 130 and abuts against the side wall of the protection member 200, and the position of the protection member 200 in the first groove 110 can be adjusted by rotating the threaded fastener 140.
The embodiment of the second aspect of the application provides a laser welding device, including the laser head and the current collecting tray welding tool that mentions in any embodiment, laser can be through dodging the slot 411 and shine to the current collecting tray treat welding area 600, because this current collecting tray welding tool can greatly avoid the condition that shielding gas diffuses in the removal process for shielding gas can reach the appointed region effectively and weld the protection, on the one hand the welding quality of laser welding device can be showing and promote, on the other hand because shielding gas's effective utilization ratio has promoted, also means that under the circumstances of guaranteeing the same welding quality, shielding gas's use amount can be reduced, be favorable to reducing laser welding device's use cost.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model. Furthermore, embodiments of the utility model and features of the embodiments may be combined with each other without conflict.
Claims (10)
1. Current collecting disc welding jig, its characterized in that includes:
the base is provided with a mounting groove;
the protection piece is arranged in the mounting groove and comprises a propping part, an avoidance groove is formed in the propping part, and the avoidance groove is arranged corresponding to a to-be-welded area of the current collecting disc so that the to-be-welded area can be exposed through the avoidance groove;
the protection piece is internally provided with an air channel which is communicated with an external air source and penetrates through the side wall of the avoidance groove, so that the side wall of the avoidance groove can blow out protection gas.
2. The current collecting tray welding jig according to claim 1, wherein the protection member comprises a first plate and a second plate, the gas path channel comprises a gas inlet channel and a gas outlet channel, the first plate is provided with the gas inlet channel, the gas inlet channel is communicated with an external gas source, the second plate is provided with the gas outlet channel, the gas outlet channel is communicated with the avoidance groove, the abutting portion is located on the second plate, the second plate further comprises a main body portion, and the main body portion circumferentially surrounds the abutting portion.
3. The current collecting tray welding jig according to claim 2, wherein the abutting portion is provided protruding from the main body portion so as to protrude into the inside of the battery case.
4. The welding jig for the current collecting disc according to claim 2, wherein a plurality of avoidance grooves are formed in the abutting portion, the end face, away from the abutting portion in the axial direction, of the main body portion is set to be a first end face, a first air guide groove is formed in the first end face, the air path channel further comprises an air guide channel, the air guide channel is defined by the groove wall of the first air guide groove and the bottom wall of the first plate, the air guide channel is communicated with the air guide channel and the air outlet channel, the end face, away from the main body portion in the axial direction, of the abutting portion is set to be a second end face, a first air outlet groove is formed in the second end face, first through holes are formed in the second plate, the number of the first through holes, the first air outlet grooves and the avoidance grooves are the same, the first through holes are communicated with the first air guide grooves and the corresponding first air outlet grooves, and the first air outlet grooves are communicated with the corresponding avoidance grooves.
5. The welding jig for the collecting tray according to claim 2, wherein a plurality of avoidance grooves are formed in the abutting portion, the avoidance grooves are distributed in the circumferential direction, the end face of the main body portion, which is axially far away from the abutting portion, is set to be a first end face, a first air guide groove is formed in the first end face, the air path channel comprises an air guide channel, the air guide channel is defined by the groove wall of the first air guide groove and the bottom wall of the first plate, the air guide channel is communicated with the air inlet channel and the air outlet channel, the end face of the abutting portion, which is axially far away from the main body portion, is set to be a second end face, at least one first air inlet groove, a plurality of second air outlet grooves and one air collecting groove are formed in the second end face, the avoidance grooves are arranged around the air collecting grooves, the second plate is provided with a first through hole, the first through hole is communicated with the first air guide groove and the first air inlet groove, the first air inlet groove is communicated with the air collecting grooves, and the air collecting grooves are communicated with the other ends of the collecting grooves.
6. The welding jig for the collecting tray according to claim 5, wherein a plurality of the first air inlet grooves are formed in the second end face, and the first air inlet grooves are uniformly distributed in the circumferential direction.
7. The manifold welding jig of claim 5, wherein the second plate further comprises a bottom cover plate, the bottom cover plate being disposed on the second end surface and defining the outlet channel with the walls of the first inlet channel, the second outlet channel and the manifold.
8. The collecting tray welding jig according to claim 1, further comprising a dust hood disposed on the top surface of the protector, the dust hood being communicated to an external air pump, capable of forming a negative pressure in the dust hood.
9. The current collecting plate welding jig according to claim 1, wherein the mounting groove comprises a first groove and a first through groove, the first through groove penetrates through the bottom wall of the first groove, the protection piece penetrates through the first through groove and abuts against the bottom wall of the first groove, a fixing seat and a threaded fastener are further arranged on the bottom wall of the first groove, the threaded fastener penetrates through the fixing seat and abuts against the side wall of the protection piece, and the position of the protection piece in the first groove can be adjusted by rotating the threaded fastener.
10. Laser welding apparatus, characterized by comprising:
the laser head is used for emitting laser;
the current collecting plate welding jig according to any one of claims 1 to 9, wherein the laser is capable of irradiating the region to be welded of the current collecting plate through the avoiding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222820923.4U CN218904030U (en) | 2022-10-25 | 2022-10-25 | Current collecting disc welding jig and laser welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222820923.4U CN218904030U (en) | 2022-10-25 | 2022-10-25 | Current collecting disc welding jig and laser welding equipment |
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| Publication Number | Publication Date |
|---|---|
| CN218904030U true CN218904030U (en) | 2023-04-25 |
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|---|---|---|---|
| CN202222820923.4U Active CN218904030U (en) | 2022-10-25 | 2022-10-25 | Current collecting disc welding jig and laser welding equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117324757A (en) * | 2023-12-01 | 2024-01-02 | 宁德时代新能源科技股份有限公司 | Current collecting disc welding jig, current collecting disc welding device and current collecting disc welding method |
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2022
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117324757A (en) * | 2023-12-01 | 2024-01-02 | 宁德时代新能源科技股份有限公司 | Current collecting disc welding jig, current collecting disc welding device and current collecting disc welding method |
| CN117324757B (en) * | 2023-12-01 | 2024-04-12 | 宁德时代新能源科技股份有限公司 | Current collecting disc welding jig, current collecting disc welding device and current collecting disc welding method |
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