CN209919128U - Synchronous welding assembly for new energy battery shell - Google Patents
Synchronous welding assembly for new energy battery shell Download PDFInfo
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- CN209919128U CN209919128U CN201920329774.7U CN201920329774U CN209919128U CN 209919128 U CN209919128 U CN 209919128U CN 201920329774 U CN201920329774 U CN 201920329774U CN 209919128 U CN209919128 U CN 209919128U
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- battery shell
- fitting piece
- mounting groove
- new energy
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Abstract
A synchronous welding assembly for a new energy battery shell comprises a battery shell, wherein a clamping matching piece is sleeved on the outer side of the battery shell, an elastic matching piece is clamped between the clamping matching piece and the battery shell, the elastic matching piece and the battery shell are in interference fit with each other, the clamping matching piece extrudes the elastic matching piece on the outer side of the battery shell through pressure, and the elastic matching piece compresses and extrudes the battery shell; the clamping matching piece comprises a lower supporting plate, the lower supporting plate is provided with a positioning part corresponding to the elastic matching piece, the elastic matching piece is sleeved on the outer side of the battery shell, and the elastic matching piece and the battery shell are respectively installed in the positioning part in a limiting way; the bottom plate is provided with a mounting groove, and the battery shell penetrates through and is inserted into the mounting groove. The utility model discloses an adopt elasticity fitting piece and clamping fitting piece in the battery case outside to make the elasticity fitting piece receiving extruded power, and decurrent pressure, carry out the synchro welding to battery case under the effect of two kinds of forces.
Description
Technical Field
The utility model relates to a battery case specifically is a synchronous welding subassembly of new forms of energy battery case.
Background
Common battery shell is thinner, so the upper and lower shell overlap joint of battery all need the welding all around, under this condition, if single direction application pressure, cause the product to warp easily, the size of applying pressure can also influence the welding effect moreover.
Chinese patent publication No. CN109346782A at 2019.02.15 discloses a method for compacting a storage battery, comprising the steps of: the method comprises the following steps that firstly, a pressing frame comprises a U-shaped frame and a cover plate, the U-shaped frame comprises a bottom plate and a turnover plate connected to the bottom plate, and the turnover plate is used for positioning the cover plates with different position heights; and step two, overlapping the plurality of polar plates and the plurality of AGM diaphragms on the bottom plate in a staggered manner, pressing the cover plate downwards by adopting a press, pressing the polar plates and the AGM diaphragms tightly, and then locking and positioning the cover plate by turning the plates. The structure solves the problems that in the prior art, a battery module compressed by a press cannot be always kept in a compression state, the volume of the battery module is easy to rebound, more shell spaces are occupied, and the welding quality is reduced. However, the structure is complicated and thus needs to be further improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure is reasonable, and the cost of manufacture is lower, and the welding effect is better, effectively solves the single atress of battery case and leads to the poor problem of welding effect, improves the synchronous welding subassembly of new forms of energy battery case of battery case welding property to overcome the weak point among the prior art.
According to the synchronous welded subassembly of new forms of energy battery shell of this purpose design, including battery case, battery case's outside cover is equipped with the clamping fitting piece, and presss from both sides between the two and be equipped with the elastic fitting piece, elastic fitting piece and battery case are interference fit each other, and the clamping fitting piece passes through pressure and extrudees the elastic fitting piece in battery case's the outside, and the elastic fitting piece compresses and produces the extrusion to battery case. Elastic fitting piece and battery case are interference fit each other, so elastic fitting piece and battery case do not have unnecessary clearance, when exerting decurrent pressure in the top of clamping fitting piece, the top board in the clamping fitting piece moves down, when top board and elastic fitting piece contact each other, the top board extrudes elastic fitting piece gradually, at this moment, elastic fitting piece receives decurrent pressure, and the horizontal compressive force of self, adopt this structure to exert pressure to battery case, use synchro welding to battery case's welding department under this stress state, the welding is effectual.
The clamping fitting piece comprises a lower supporting plate, the lower supporting plate is provided with a positioning part corresponding to the elastic fitting piece, the elastic fitting piece is sleeved on the outer side of the battery shell, and the elastic fitting piece and the battery shell are respectively installed in the positioning part in a limiting mode. During assembly, the elastic fitting piece is sleeved on the outer side of the battery shell, and the battery shell with the elastic fitting piece and the lower supporting plate are assembled with each other in advance.
The lower supporting plate is provided with a mounting groove, and the battery shell penetrates through and is inserted into the mounting groove.
The elastic matching piece comprises a silica gel ring, the lower supporting plate is provided with a positioning groove, the positioning groove and the mounting groove are mutually communicated and are mutually coaxially arranged, a limiting boss is formed between the positioning groove and the mounting groove, the bottom end of the silica gel ring is abutted against the limiting boss, and the silica gel ring and the positioning groove are mutually coaxially arranged.
Still include a plurality of laser head fitting piece, a plurality of laser head fitting piece covers the welding department of battery case. The laser head fitting piece just covers the welding range of the battery shell, so that the welding time is reduced, and the working efficiency is improved.
The clamping fitting piece further comprises an upper pressure plate, the upper pressure plate moves downwards towards the battery shell through pressure, and in addition, the upper pressure plate extrudes the silica gel ring in the elastic fitting piece.
The upper pressing plate is provided with a limiting groove corresponding to the silica gel ring, the corners of the inner wall of the limiting groove are respectively provided with a chamfer so as to form a chamfer surface, the chamfer surface is in mutual contact with the silica gel ring, and the silica gel ring is further extruded under the action of force transmission.
The upper press plate is provided with a mounting groove corresponding to the battery shell, the mounting groove is communicated with the limiting groove, and the battery shell is mounted in the mounting groove in a limiting manner.
The utility model discloses a adopt flexible fitting piece and clamping fitting piece in the battery case outside to make the flexible fitting piece receiving extruded power, and decurrent pressure, carry out the synchronous welding to battery case under the effect of two kinds of power, welding efficiency is high, effectual.
Drawings
Fig. 1 is a schematic structural view of a battery case synchronous welding assembly according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structure view of an upper platen according to an embodiment of the present invention.
Fig. 3 is a schematic view of a three-dimensional structure of a synchronous welding assembly for a battery case according to an embodiment of the present invention.
Fig. 4 is a schematic view of an assembly and disassembly structure of a synchronous welding assembly of a battery case according to an embodiment of the present invention.
Fig. 5 is an enlarged view of a portion a in fig. 4.
Fig. 6 is a schematic structural view of the battery outer case, the silica gel ring and the lower support plate of the present invention, which are assembled in advance.
Fig. 7 is a schematic plan view of a clamping fitting member according to an embodiment of the present invention.
Fig. 8 is a schematic structural view of the laser head fitting piece covering the welding position of the battery case according to an embodiment of the present invention.
In the drawing, 1 is battery case, 2 is the bottom plate, 2.1 is mounting groove, 2.2 is positioning groove, 2.3 is spacing boss, 3 is the silica gel circle, 4 is the top board, 4.1 is spacing recess, 4.2 is the chamfer face, 4.3 is the mounting groove, 5 is the laser head fitting piece.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-6, a new energy battery shell synchronous welding assembly includes a battery shell 1, a clamping fitting piece is sleeved on the outer side of the battery shell 1, an elastic fitting piece is clamped between the clamping fitting piece and the battery shell 1, the elastic fitting piece and the battery shell 1 are in interference fit with each other, the clamping fitting piece extrudes the elastic fitting piece on the outer side of the battery shell 1 through pressure P, and the elastic fitting piece compresses and extrudes towards the battery shell 1.
Further, the clamping fitting piece comprises a lower support plate 2, the lower support plate 2 is provided with a positioning part corresponding to the elastic fitting piece, the elastic fitting piece is sleeved on the outer side of the battery shell 1, and the elastic fitting piece and the battery shell are respectively installed in the positioning part in a limiting manner.
Further, the lower plate 2 is provided with a mounting groove 2.1, and the battery case 1 penetrates and is inserted into the mounting groove 2.1.
Further, the elastic fitting piece comprises a silica gel ring 3, the lower support plate 2 is provided with a positioning groove 2.2, the positioning groove 2.2 and the mounting groove 2.1 are mutually communicated and are mutually coaxially arranged, a limiting boss 2.3 is formed between the positioning groove 2.2 and the mounting groove 2.1, the bottom end of the silica gel ring 3 is abutted against the limiting boss 2.3, and the silica gel ring 3 and the positioning groove 2.2 are mutually coaxially arranged.
Further, still include a plurality of laser head fitting 5, a plurality of laser head fitting 5 covers the welding department of battery shell 1.
Further, the clamping fitting piece further comprises an upper pressure plate 4, the upper pressure plate 4 moves downwards towards the battery shell 1 through pressure P, and in addition, the upper pressure plate 4 extrudes the silicon rubber ring 3 in the elastic fitting piece.
Furthermore, the upper pressing plate 4 is provided with a limiting groove 4.1 corresponding to the silicone ring 3, corners of the inner wall of the limiting groove 4.1 are respectively provided with a chamfer to form a chamfer surface 4.2, and the chamfer surface 4.2 and the silicone ring 3 are in contact with each other.
Further, the upper pressing plate 4 is provided with a mounting groove 4.3 corresponding to the battery shell 1, the mounting groove 4.3 is communicated with the limiting groove, and the battery shell 1 is installed in the mounting groove 4.3 in a limiting mode.
Specifically, the method comprises the following steps: the method comprises the steps of sleeving a silica gel ring 3 on a position where a battery shell 1 needs to be welded, placing the battery shell 1 with the silica gel ring 3 into a lower supporting plate 2 for positioning and assembling after the silica gel ring 3 is sleeved in place, vertically lowering an upper pressure plate 4 right above the battery shell 1, enabling the upper pressure plate 4 to have a certain pressure P (the pressure is adjustable), arranging a chamfer at a position where the upper pressure plate 4 and the silica gel ring 3 are in contact with each other to form a chamfer surface 4.2 so that the upper pressure plate 4 can be conveniently and accurately placed in place when being pressed down, and compressing and inwardly extruding the silica gel ring 3 under the action of two component forces because no redundant gap exists between the silica gel ring 3 and the battery shell 1 when the pressing force is transmitted to the silica gel ring 3 through the chamfer surface 4.2, the compressed silicone ring 3 presses against the battery housing 1, in which case a pressure is exerted on the battery housing 1, which pressure simultaneously occurs around the battery housing 1, and the greater the compression, the greater the pressing force. The battery case 1 is welded under pressure.
Referring to fig. 7-8, the four sides and four R corners of the lower supporting plate 2 and the upper supporting plate 4 can both penetrate laser with a wave band of 880-980 nm.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a new forms of energy battery shell synchro-welded subassembly, includes battery case (1), characterized by the outside cover of battery case (1) is equipped with the clamping fitting piece, and presss from both sides between the two and be equipped with the elastic fitting piece, elastic fitting piece and battery case (1) each other are interference fit, and the clamping fitting piece passes through pressure (P) and extrudees the elastic fitting piece in the outside of battery case (1), and the elastic fitting piece compression produces the extrusion to battery case (1).
2. The new energy battery shell synchronous welding assembly as claimed in claim 1, wherein the clamping fitting piece comprises a lower supporting plate (2), the lower supporting plate (2) is provided with a positioning portion corresponding to the elastic fitting piece, the elastic fitting piece is sleeved outside the battery shell (1), and the elastic fitting piece and the battery shell are respectively installed in the positioning portion in a limiting manner.
3. The new energy battery shell synchronous welding component as claimed in claim 2, wherein the lower supporting plate (2) is provided with a mounting groove (2.1), and the battery shell (1) penetrates through and is inserted into the mounting groove (2.1).
4. The new energy battery shell synchronous welding assembly according to claim 2, wherein the elastic fitting piece comprises a silicon rubber ring (3), the lower supporting plate (2) is provided with a positioning groove (2.2), the positioning groove (2.2) is communicated with the mounting groove (2.1), a limiting boss (2.3) is formed between the positioning groove (2.2) and the mounting groove (2.1), the bottom end of the silicon rubber ring (3) abuts against the limiting boss (2.3), and the silicon rubber ring (3) and the positioning groove (2.2) are coaxially arranged.
5. The new energy battery shell synchronous welding assembly according to any one of claims 1 to 4, characterized by further comprising a plurality of laser head fittings (5), wherein the plurality of laser head fittings (5) cover the welding position of the battery shell (1).
6. The synchronous welding component for the new energy battery shell according to any one of claims 1-4, characterized in that the clamping fitting piece further comprises an upper pressure plate (4), the upper pressure plate (4) moves downwards towards the battery shell (1) through pressure (P), and in addition, the upper pressure plate (4) presses the silicone ring (3) in the elastic fitting piece.
7. The new energy battery shell synchronous welding assembly according to claim 6, wherein the upper pressure plate (4) is provided with a limiting groove (4.1) corresponding to the silicone ring (3), corners of the inner wall of the limiting groove (4.1) are respectively provided with a chamfer to form a chamfer surface (4.2), and the chamfer surface (4.2) and the silicone ring (3) are in contact with each other.
8. The new energy battery shell synchronous welding assembly according to claim 7, characterized in that the upper pressure plate (4) is provided with a mounting groove (4.3) corresponding to the battery shell (1), the mounting groove (4.3) and the limiting groove (4.1) are communicated with each other, and the battery shell (1) is limited and mounted in the mounting groove (4.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920329774.7U CN209919128U (en) | 2019-03-14 | 2019-03-14 | Synchronous welding assembly for new energy battery shell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920329774.7U CN209919128U (en) | 2019-03-14 | 2019-03-14 | Synchronous welding assembly for new energy battery shell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109822239A (en) * | 2019-03-14 | 2019-05-31 | 广东顺德华焯机械科技有限公司 | A kind of new energy battery case synchronous welding component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109822239A (en) * | 2019-03-14 | 2019-05-31 | 广东顺德华焯机械科技有限公司 | A kind of new energy battery case synchronous welding component |
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