CN115055884A - Laser welding auxiliary positioning tool for lithium ion power battery - Google Patents
Laser welding auxiliary positioning tool for lithium ion power battery Download PDFInfo
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- CN115055884A CN115055884A CN202210721871.7A CN202210721871A CN115055884A CN 115055884 A CN115055884 A CN 115055884A CN 202210721871 A CN202210721871 A CN 202210721871A CN 115055884 A CN115055884 A CN 115055884A
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- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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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
- 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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Abstract
本发明公开了一种锂离子动力电池激光焊接辅助定位工装，包括工装底板；工装底板的顶部设置有中板；中板的顶部后侧设置有固定端立板；固定端立板的前侧面左右两端分别固定设置有电池短边夹紧气缸和固定端侧板；电池短边夹紧气缸右侧的动力输出端与左侧活动端板的左侧面连接；中板的顶部设置有电池放入凹槽；电池放入凹槽，用于放入电池壳体的底端；该电池壳体的顶部开口处放入有电池盖板；电池放入凹槽的正前方设置有横向分布的前侧活动端板；前侧活动端板的前侧与电池长边夹紧气缸后侧的动力输出端相联动连接。本发明能够方便、可靠地将电池壳体的顶部开口与电池盖板整体进行紧密贴合定位，保证电池盖板与电池壳体顶部之间的焊接牢固性。
The invention discloses an auxiliary positioning tool for laser welding of lithium ion power batteries, which comprises a tool base plate; a middle plate is arranged on the top of the tool base plate; a fixed end vertical plate is arranged on the top rear side of the middle plate; The two ends are respectively fixed with a battery short-side clamping cylinder and a fixed end side plate; the power output end on the right side of the battery short-side clamping cylinder is connected with the left side of the left movable end plate; the top of the middle plate is provided with a battery discharge end. into the groove; the battery is placed in the groove, which is used to put the bottom end of the battery case; the battery cover is placed in the top opening of the battery case; the front of the battery is placed in the groove. The side movable end plate; the front side of the front side movable end plate is linked and connected with the power output end of the rear side of the clamping cylinder on the long side of the battery. The invention can conveniently and reliably closely fit and position the top opening of the battery case and the battery cover plate as a whole, so as to ensure the welding firmness between the battery cover plate and the top of the battery case.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to a laser welding auxiliary positioning tool for a lithium ion power battery.
Background
The lithium ion battery has the advantages of high specific energy, more recycling times, long storage time and the like, is widely applied to portable electronic equipment (such as mobile phones, digital video cameras and portable computers), and is also widely applied to large and medium-sized electric equipment such as electric automobiles, electric bicycles, electric tools and the like, so that the performance requirement on the lithium ion battery is higher and higher.
At present, the reliability and the safety of the battery are a technical difficulty and a key point in the manufacturing process of a high-capacity power battery, and particularly, the welding connectivity and the connection strength of the battery in the manufacturing process influence the performance of the battery. The consistency and firmness of the welding position are direct reasons directly influencing the performance (including internal resistance and capacity) of the battery.
The requirement of present large capacity battery to battery laser welding is stricter, and when big multiplying power charge-discharge, if the battery welds jail, rosin joint, can make the problem of battery weeping, causes very big potential safety hazard for the battery, when using for a long time, still can lead to battery performance and cyclic life decay scheduling problem, influences the various parameter performance of lithium cell, finally leads to the battery can't continue to use.
However, for the existing high-capacity lithium ion power battery, when the top opening of the battery shell and the battery cover plate are welded integrally, because the existing positioning device cannot position the battery shell and the battery cover plate simultaneously, the top opening of the battery shell and the battery cover plate cannot be tightly attached integrally, and therefore, the problems of low welding quality, poor welding position consistency, poor welding firmness, low welding connection strength and the like exist after welding.
Disclosure of Invention
The invention aims to provide a laser welding auxiliary positioning tool for a lithium ion power battery, aiming at the technical defects in the prior art.
Therefore, the invention provides a laser welding auxiliary positioning tool for a lithium ion power battery, which comprises a tool bottom plate which is horizontally distributed;
a middle plate which is horizontally distributed is arranged at the top of the tool bottom plate;
a fixed end vertical plate which is transversely distributed is vertically arranged on the rear side of the top of the middle plate;
a battery short edge clamping cylinder is fixedly arranged at the left end of the front side surface of the fixed end vertical plate;
a fixed end side plate is fixedly arranged at the right end of the front side surface of the fixed end vertical plate;
the power output end on the right side of the battery short edge clamping cylinder is connected with the left side surface of a left movable end plate;
a battery placing groove is formed in the top of the middle plate at a position right below a gap between the right side face of the left movable end plate and the left side face of the fixed end side plate;
the battery placing groove is used for placing the bottom end of a battery shell of the lithium ion power battery;
a battery cover plate is placed at the opening at the top of the battery shell;
the battery is placed right in front of the groove, and a front movable end plate which is transversely distributed is vertically arranged;
the battery shell is positioned in a gap between the front side surface of the fixed end vertical plate and the rear side surface of the front side movable end plate;
the front side of the front side movable end plate is in linkage connection with the power output end on the rear side of a long-edge clamping cylinder of a battery;
wherein, the upper part of the right side surface of the left movable end plate is provided with a cover plate which is longitudinally distributed and is butted with a left positioning block;
a transversely distributed cover plate butt joint rear positioning block is arranged at the upper part of the front side surface of the fixed end vertical plate;
a cover plate which is longitudinally distributed is butted with a right positioning block at the upper part of the left side surface of the fixed end side plate;
the rear side of the front movable end plate is fixedly provided with battery shell long edge positioning blocks which are transversely distributed;
the battery cover plate butt joint left positioning block, the battery cover plate butt joint rear positioning block and the battery cover plate butt joint right positioning block are distributed and arranged in a manner of corresponding to the left side, the rear side and the right side of the battery cover plate placed in the opening at the top of the battery shell.
Preferably, the shape and size of the battery placing groove are matched with the shape and size of the bottom end of the battery shell correspondingly.
Preferably, the cover plate butt joint left positioning block, the cover plate butt joint rear positioning block, the cover plate butt joint right positioning block and the battery shell long edge positioning block are all copper blocks.
Preferably, after the battery is placed into the battery shell with the battery cover plate in the groove, the height of the top surface of the long-edge positioning block of the battery shell is equal to the height of the top surface of the battery cover plate.
Preferably, after the battery is placed into the battery shell with the battery cover plate in the groove, the top heights of the cover plate butt joint left positioning block, the cover plate butt joint rear positioning block and the cover plate butt joint right positioning block are equal to the top height of the battery cover plate.
Preferably, the four corners of the bottom surface of the middle plate are respectively fixedly connected with the top of the tool bottom plate through a vertically distributed supporting column.
Preferably, in order to realize that the front side of the front movable end plate is in linkage connection with the power output end on the rear side of the long-edge clamping cylinder of the battery, the specific structure is as follows:
the front movable end plate is vertically arranged on the rear side of the top of a horizontally distributed movable bottom plate;
the middle part of the front side surface of the front side movable end plate is provided with a cylinder butt-joint block;
a battery long edge clamping cylinder is arranged right in front of the middle part of the movable bottom plate;
the power output end (such as a piston rod) at the rear side of the battery long-edge clamping cylinder is connected with the cylinder butt-joint block at the front side of the front movable end plate through a cylinder connecting block;
the top of the middle plate is provided with a linear guide rail which is longitudinally distributed under the left end and the right end of the bottom of the movable bottom plate respectively;
each linear guide rail is provided with a sliding block capable of longitudinally sliding;
the top of the slide block on each linear guide rail is fixedly connected with the bottom of the movable bottom plate.
Preferably, the left end and the right end of the front side movable end plate are respectively fixedly connected with the top surface of the movable bottom plate through a rib plate.
Preferably, the long edge of the battery clamps the bottom of the mounting seat of the cylinder and is fixedly connected with the top of the middle plate through two cushion blocks.
Preferably, the rear side face of the fixed end vertical plate is fixedly connected with the top face of the middle plate through three rib plates distributed at equal intervals.
Compared with the prior art, the laser welding auxiliary positioning tool for the lithium ion power battery is scientific in structural design, after the battery cover plate is integrally placed into the top opening of the battery shell to be welded, the top opening of the battery shell and the battery cover plate can be conveniently and reliably tightly attached and positioned, and therefore when the welding operation is carried out on the inner side of the periphery of the top opening of the battery shell and the outer side of the periphery of the battery cover plate through the existing welding equipment, the welding firmness and the welding quality between the battery cover plate and the top of the battery shell can be guaranteed, the production quality of the battery is further guaranteed, the safety performance of the lithium ion battery is favorably improved, the service life of the battery is prolonged, and the laser welding auxiliary positioning tool has great practical significance.
Drawings
Fig. 1 is a schematic perspective view of a laser welding auxiliary positioning tool for a lithium ion power battery, which is to be extruded and positioned after a battery shell to be welded with a battery cover plate is placed in the tool;
fig. 2 is a schematic three-dimensional exploded view of a laser welding auxiliary positioning tool for a lithium ion power battery according to the present invention, and simultaneously shows a battery case to be welded to a battery cover plate;
fig. 3 is a schematic view of a working state three-dimensional structure of a laser welding auxiliary positioning tool for a lithium ion power battery provided by the invention;
fig. 4 is a schematic perspective view of a battery case to be welded with a battery cover plate, which is a working object of the laser welding auxiliary positioning tool for a lithium ion power battery provided by the invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood 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 obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 to 4, the invention provides a laser welding auxiliary positioning tool for a lithium ion power battery, which comprises a tool bottom plate 8 which is horizontally distributed;
a middle plate 6 which is horizontally distributed is arranged at the top of the tool bottom plate 8;
a fixed end vertical plate 4 which is transversely distributed is vertically arranged on the rear side of the top of the middle plate 6;
a battery short-edge clamping cylinder 9 is fixedly arranged at the left end of the front side surface of the fixed end vertical plate 4;
a fixed end side plate 1 is fixedly arranged at the right end of the front side surface of the fixed end vertical plate 4;
the power output end on the right side of the battery short-side clamping cylinder 9 is connected with the left side surface of a left movable end plate 12;
a battery placing groove 60 is formed in the top of the middle plate 6 at a position right below the gap between the right side surface of the left movable end plate 12 and the left side surface of the fixed end side plate 1;
a battery receiving groove 60 for receiving the bottom end of the battery case 20 of the lithium ion power battery;
a battery cover plate 19 is arranged at the opening at the top of the battery shell 20;
it should be noted that the battery cover plate 19 is provided with a positive pole column and a negative pole column, the positive pole column is connected with a positive pole lug of the battery pole group through a positive pole connecting piece, the negative pole column is connected with a negative pole lug of the battery pole group through a negative pole connecting piece, and the battery pole group is located inside the battery shell;
a front movable end plate 17 which is transversely distributed is vertically arranged right in front of the battery placing groove 60;
a battery case 20 located in a gap between the front side surface of the fixed end vertical plate 4 and the rear side surface of the front movable end plate 17;
the front side of the front side movable end plate 17 is in linkage connection with the power output end of the rear side of the battery long-edge clamping cylinder 15;
wherein, the upper part of the right side surface of the left movable end plate 12 is provided with a cover plate butt joint left positioning block 13 which is longitudinally distributed;
a transversely distributed cover plate butt joint rear positioning block 3 is arranged at the upper part of the front side surface of the fixed end vertical plate 4;
a cover plate which is longitudinally distributed is butted with a right positioning block 2 at the upper part of the left side surface of the fixed end side plate 1;
the rear side of the front movable end plate 17 is fixedly provided with battery shell long-edge positioning blocks 18 which are transversely distributed;
the cover plate butt joint left positioning block 13, the cover plate butt joint rear positioning block 3 and the cover plate butt joint right positioning block 2 are distributed to be in right correspondence with the left side, the rear side and the right side of a battery cover plate 19 placed in the opening at the top of the battery shell 20.
In the present invention, the shape and size of the battery receiving groove 60 are matched with the shape and size of the bottom end of the battery housing 20.
In the invention, in the concrete implementation, the cover plate butt joint left positioning block 13, the cover plate butt joint rear positioning block 3, the cover plate butt joint right positioning block 2 and the battery shell long side positioning block 18 are all copper blocks, which are beneficial to timely heat dissipation during welding, effectively reduce high temperature generated during welding, and avoid melting some low-melting-point insulating plastics (such as plastic insulating upper supports between a battery pole group and a battery cover plate inside the battery shell) arranged below the battery cover plate of the existing battery shell.
In the present invention, in a concrete implementation, after the battery placing groove 60 is placed in the battery case 20 having the battery cover 19, the height of the top surface of the long side positioning block 18 of the battery case is preferably equal to the height of the top surface of the battery cover 19.
In the present invention, in a concrete implementation, after the battery is placed in the battery case 20 having the battery cover 19 in the battery placing groove 60, the top heights of the cover butting left positioning block 13, the cover butting rear positioning block 3 and the cover butting right positioning block 2 are preferably equal to the top height of the battery cover 19.
In the invention, in concrete implementation, four corners of the bottom surface of the middle plate 6 are respectively fixedly connected with the top of the tool bottom plate 8 through a support column 7 which is vertically distributed.
In the present invention, in order to realize linkage connection between the front side of the front side movable end plate 17 and the power output end at the rear side of the battery long-side clamping cylinder 15, the specific structure is as follows:
a front movable end plate 17 vertically arranged at the rear side of the top of a horizontally distributed movable bottom plate 11;
the middle part of the front side of the front movable end plate 17 is provided with a cylinder butt joint block 170;
a battery long-edge clamping cylinder 15 is arranged right in front of the middle part of the movable bottom plate 11;
the power output end (such as a piston rod) at the rear side of the battery long-edge clamping cylinder 15 is connected with a cylinder butt-joint block 170 at the front side surface of the front side movable end plate 17 through a cylinder connecting block 16;
the top of the middle plate 6 is respectively provided with a linear guide rail 10 which is longitudinally distributed at the position under the left end and the right end of the bottom of the movable bottom plate 11;
each linear guide rail 10 is provided with a sliding block 101 which can slide longitudinally;
the top of the sliding block 101 on each linear guide rail 10 is fixedly connected with the bottom of the movable bottom plate 11.
The movable base plate 11 to which the front movable end plate 17 is attached can slide back and forth on the linear guide 10 by being pushed by the battery long-side clamp cylinder 15, and the battery case 20 having the battery cover 19 and in which the battery receiving groove 60 is received can be clamped.
In the concrete implementation, the left end and the right end of the front side movable end plate 17 are respectively fixedly connected with the top surface of the movable bottom plate 11 through a rib plate.
In the concrete implementation, the bottom of the mounting seat of the battery long-edge clamping cylinder 15 is fixedly connected with the top of the middle plate 6 through two cushion blocks 14.
In the invention, the rear side face of the fixed end vertical plate 4 is fixedly connected with the top face of the middle plate 6 through three rib plates 5 which are distributed at equal intervals.
The battery cover plate and the top plane of the battery shell can be fixed on the same plane by adopting the tool provided by the invention, the top opening of the battery shell and the battery cover plate can be reliably and tightly attached and positioned, and then the peripheral inner side edge of the top opening of the battery shell and the peripheral outer side edge of the battery cover plate are welded by adopting the top welding process by using the existing welding equipment, so that the connection strength and the connection reliability of the top of the battery shell and the battery cover plate are ensured.
In order to more clearly understand the technical solution of the present invention, the following describes the operation process of the present invention.
Firstly, a battery shell 20 of the lithium ion power battery is placed on the battery placing groove 60 at the top of the middle plate 6; a battery cover plate 19 is arranged at the opening at the top of the battery shell 20;
then, the battery short-side clamping cylinder 9 pushes the left movable end plate 12 and the cover plate butt joint left positioning block 13 to clamp the short sides (namely the left side and the right side) of the battery shell, and the battery long-side clamping cylinder 15 pushes the front movable end plate 17 and the battery shell long-side positioning block 18 to slide backwards on the linear guide rail 10 so as to clamp the long sides (namely the front side and the rear side) of the battery shell, so that the top opening of the battery shell and the battery cover plate can be conveniently and reliably tightly attached and positioned;
then, the existing battery welding equipment is adopted to perform welding operation on the inner side of the periphery of the top opening of the battery shell and the outer side of the periphery of the whole battery cover plate, namely the battery periphery welding operation is completed, and a welded battery is obtained;
then, after the peripheral welding operation of the battery is completed, the welded battery is released by retracting the battery short side clamping cylinder 9 and the battery long side clamping cylinder 15, and the battery is taken out, i.e., one peripheral welding operation is completed.
In summary, compared with the prior art, the laser welding auxiliary positioning tool for the lithium ion power battery provided by the invention has a scientific structural design, and can conveniently and reliably closely attach and position the top opening of the battery shell and the battery cover plate after the battery cover plate is integrally placed into the top opening of the battery shell to be welded, so that when the welding operation is performed on the peripheral inner side of the top opening of the battery shell and the peripheral outer side of the battery cover plate through the existing welding equipment, the welding firmness and the welding quality between the battery cover plate and the top of the battery shell can be ensured, the production quality of the battery is further ensured, the safety performance of the lithium ion battery is favorably improved, the service life of the battery is prolonged, and the tool has great practical significance.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The laser welding auxiliary positioning tool for the lithium ion power battery is characterized by comprising a tool bottom plate (8) which is horizontally distributed;
a middle plate (6) which is horizontally distributed is arranged at the top of the tooling bottom plate (8);
a fixed end vertical plate (4) which is transversely distributed is vertically arranged on the rear side of the top of the middle plate (6);
a battery short-edge clamping cylinder (9) is fixedly arranged at the left end of the front side surface of the fixed end vertical plate (4);
a fixed end side plate (1) is fixedly arranged at the right end of the front side surface of the fixed end vertical plate (4);
the power output end on the right side of the battery short-side clamping cylinder (9) is connected with the left side surface of a left movable end plate (12);
a battery placing groove (60) is formed in the top of the middle plate (6) at a position right below a gap between the right side face of the left movable end plate (12) and the left side face of the fixed end side plate (1);
a battery receiving recess (60) for receiving the bottom end of a battery case (20) of the lithium ion power battery;
a battery cover plate (19) is placed at the opening at the top of the battery shell (20);
a front movable end plate (17) which is transversely distributed is vertically arranged right in front of the battery placing groove (60);
the battery shell (20) is positioned in a gap between the front side surface of the fixed end vertical plate (4) and the rear side surface of the front side movable end plate (17);
the front side of the front movable end plate (17) is in linkage connection with the power output end on the rear side of a battery long-edge clamping cylinder (15);
wherein, the upper part of the right side surface of the left movable end plate (12) is provided with a left positioning block (13) which is butted with a cover plate and is longitudinally distributed;
a cover plate butt joint rear positioning block (3) which is transversely distributed is arranged at the upper part of the front side surface of the fixed end vertical plate (4);
a cover plate which is longitudinally distributed is butted with a right positioning block (2) at the upper part of the left side surface of the fixed end side plate (1);
a battery shell long edge positioning block (18) which is transversely distributed is fixedly arranged at the rear side of the front movable end plate (17);
the battery cover plate butt joint device comprises a cover plate butt joint left positioning block (13), a cover plate butt joint rear positioning block (3) and a cover plate butt joint right positioning block (2), and is distributed to be arranged right correspondingly to the left side, the rear side and the right side of a battery cover plate (19) placed into a top opening of a battery shell (20).
2. The laser welding auxiliary positioning tool for the lithium ion power battery as claimed in claim 1, wherein the shape and size of the battery placing groove (60) are correspondingly matched with the shape and size of the bottom end of the battery shell (20).
3. The laser welding auxiliary positioning tool for the lithium-ion power battery as claimed in claim 1 or 2, wherein the cover plate butt joint left positioning block (13), the cover plate butt joint rear positioning block (3), the cover plate butt joint right positioning block (2) and the battery shell long side positioning block (18) are all copper blocks.
4. The laser welding auxiliary positioning tool for the lithium ion power battery as claimed in claim 1, wherein after the battery placing groove (60) is placed in the battery shell (20) with the battery cover plate (19), the height of the top surface of the long side positioning block (18) of the battery shell is equal to the height of the top surface of the battery cover plate (19).
5. The laser welding auxiliary positioning tool for the lithium ion power battery as claimed in claim 1, wherein after the battery is placed in the battery housing (20) with the battery cover plate (19) through the battery placement groove (60), the top heights of the cover plate butt joint left positioning block (13), the cover plate butt joint rear positioning block (3) and the cover plate butt joint right positioning block (2) are equal to the top height of the battery cover plate (19).
6. The laser welding auxiliary positioning tool for the lithium ion power battery as claimed in claim 1, wherein four corners of the bottom surface of the middle plate (6) are fixedly connected with the top of the tool bottom plate (8) through a supporting column (7) which is vertically distributed.
7. The laser welding auxiliary positioning tool for the lithium ion power battery as claimed in claim 1, wherein the specific structure is as follows in order to realize linkage connection between the front side of the front side movable end plate (17) and the power output end of the rear side of the battery long-side clamping cylinder (15):
the front movable end plate (17) is vertically arranged on the rear side of the top of a horizontally distributed movable bottom plate (11);
the middle part of the front side surface of the front movable end plate (17) is provided with a cylinder butt-joint block (170);
a battery long-edge clamping cylinder (15) is arranged right in front of the middle part of the movable bottom plate (11);
the power output end (such as a piston rod) at the rear side of the battery long-edge clamping cylinder (15) is connected with a cylinder butt joint block (170) at the front side surface of the front movable end plate (17) through a cylinder connecting block (16);
the top of the middle plate (6) is respectively provided with a linear guide rail (10) which is longitudinally distributed under the left end and the right end of the bottom of the movable bottom plate (11);
each linear guide rail (10) is provided with a sliding block (101) capable of sliding longitudinally;
the top of the sliding block (101) on each linear guide rail (10) is fixedly connected with the bottom of the movable bottom plate (11).
8. The laser welding auxiliary positioning tool for the lithium ion power battery according to claim 7, wherein the left end and the right end of the front side movable end plate (17) are fixedly connected with the top surface of the movable bottom plate (11) through a rib plate respectively.
9. The laser welding auxiliary positioning tool for the lithium ion power battery as claimed in claim 7, wherein the bottom of the mounting seat of the battery long-side clamping cylinder (15) is fixedly connected with the top of the middle plate (6) through two cushion blocks (14).
10. The laser welding auxiliary positioning tool for the lithium ion power battery according to any one of claims 1 to 9, wherein the rear side face of the fixed end vertical plate (4) is fixedly connected with the top face of the middle plate (6) through three rib plates (5) which are distributed at equal intervals.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210721871.7A CN115055884A (en) | 2022-06-24 | 2022-06-24 | Laser welding auxiliary positioning tool for lithium ion power battery |
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| CN202210721871.7A CN115055884A (en) | 2022-06-24 | 2022-06-24 | Laser welding auxiliary positioning tool for lithium ion power battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115555793A (en) * | 2022-11-17 | 2023-01-03 | 河北化工医药职业技术学院 | A power lithium battery welding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102000919A (en) * | 2010-12-20 | 2011-04-06 | 天津力神电池股份有限公司 | Laser welding fixture for power batteries |
| WO2018028280A1 (en) * | 2016-08-08 | 2018-02-15 | 力神动力电池系统有限公司 | Battery having overcurrent protection functionality |
| CN209206827U (en) * | 2018-08-31 | 2019-08-06 | 大族激光科技产业集团股份有限公司 | A kind of battery laser welding clamp |
| CN217913635U (en) * | 2022-06-24 | 2022-11-29 | 力神（青岛）新能源有限公司 | Laser welding auxiliary positioning tool for lithium ion power battery |
-
2022
- 2022-06-24 CN CN202210721871.7A patent/CN115055884A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102000919A (en) * | 2010-12-20 | 2011-04-06 | 天津力神电池股份有限公司 | Laser welding fixture for power batteries |
| WO2018028280A1 (en) * | 2016-08-08 | 2018-02-15 | 力神动力电池系统有限公司 | Battery having overcurrent protection functionality |
| CN209206827U (en) * | 2018-08-31 | 2019-08-06 | 大族激光科技产业集团股份有限公司 | A kind of battery laser welding clamp |
| CN217913635U (en) * | 2022-06-24 | 2022-11-29 | 力神（青岛）新能源有限公司 | Laser welding auxiliary positioning tool for lithium ion power battery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115555793A (en) * | 2022-11-17 | 2023-01-03 | 河北化工医药职业技术学院 | A power lithium battery welding machine |
| CN115555793B (en) * | 2022-11-17 | 2023-03-10 | 河北化工医药职业技术学院 | A power lithium battery welding machine |
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Country or region after: China Address after: 300392 Tianjin City Binhai New Area Binhai High-tech Zone Huyuan Industrial Park Innovation Avenue 88# Applicant after: China Automotive New Energy Battery Technology Co.,Ltd. Address before: 266000 No. 6, Minshan Road, Huangdao District, Qingdao, Shandong Applicant before: LISHEN (QINGDAO) NEW ENERGY CO.,LTD. Country or region before: China |