CN220698658U - Welding auxiliary device for square lithium battery pole and switching piece - Google Patents
Welding auxiliary device for square lithium battery pole and switching piece Download PDFInfo
- Publication number
- CN220698658U CN220698658U CN202322048623.3U CN202322048623U CN220698658U CN 220698658 U CN220698658 U CN 220698658U CN 202322048623 U CN202322048623 U CN 202322048623U CN 220698658 U CN220698658 U CN 220698658U
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- Prior art keywords
- lithium battery
- square lithium
- platform
- switching piece
- auxiliary device
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 59
- 238000003466 welding Methods 0.000 title claims abstract description 41
- 238000003825 pressing Methods 0.000 claims abstract description 16
- 238000006073 displacement reaction Methods 0.000 claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a welding auxiliary device for square lithium battery poles and switching pieces, which comprises a bin body, a top plate, a lithium battery positioning and clamping mechanism and a switching piece pressing mechanism; the bottom of the bin body is fixedly provided with a supporting column, the top of the supporting column is fixedly provided with a platform, the platform is used for placing square lithium batteries, the front of the bin body is provided with an opening, the top of the platform, which is close to the rear side, is fixedly provided with a limiting plate, and the square lithium batteries are placed into the platform from the opening and then are abutted against the limiting plate; the lithium battery positioning and clamping mechanism is used for synchronously pushing square lithium batteries on the platform from the left side and the right side and clamping the square lithium batteries. According to the welding auxiliary device, the square lithium battery is positioned and clamped through the lithium battery positioning and clamping mechanism, the transfer sheet is positioned and pressed through the transfer sheet pressing mechanism, accurate alignment of the transfer sheet and the pole of the square lithium battery is ensured, the contact degree of the transfer sheet and the pole piece is monitored through the laser displacement sensor, and the quality after welding is ensured.
Description
Technical Field
The utility model relates to the technical field of lithium battery manufacturing, in particular to a welding auxiliary device for square lithium battery poles and switching pieces.
Background
In the production process of square lithium batteries, laser welding is performed by using laser welding equipment after the switching piece is tightly attached to the pole according to the design structural requirement of the batteries. In the welding process, the rotating sheet and the pole are tightly pressed by the auxiliary device to ensure that the rotating sheet is tightly attached to the pole, and the welding quality can be ensured when laser is used for welding. The existing auxiliary device does not accurately position the pole and the switching piece when pressing the pole, cannot guarantee accurate alignment of the position of the switching piece and the position of the pole, causes different contact degrees of the switching piece and the pole, has a certain gap even in poor contact, and can cause poor welding such as cold welding, penetration welding and the like during laser welding, thereby influencing the quality of products.
Therefore, in order to improve the welding quality of the battery tab, a welding auxiliary device for square lithium battery poles and tabs is provided.
Disclosure of Invention
1. The technical problems to be solved are as follows:
in view of the above technical problems, the present utility model provides a welding auxiliary device for a square lithium battery pole and a switching piece.
2. The technical scheme is as follows:
a welding auxiliary device for square lithium battery poles and switching pieces comprises a bin body, a top plate, a lithium battery positioning and clamping mechanism and a switching piece pressing mechanism; the bottom of the bin body is fixedly provided with a supporting column, the top of the supporting column is fixedly provided with a platform, the platform is used for placing square lithium batteries, the front of the bin body is provided with an opening, the top of the platform, which is close to the rear side, is fixedly provided with a limiting plate, and the square lithium batteries are placed into the platform from the opening and then are abutted against the limiting plate; the lithium battery positioning and clamping mechanism is used for synchronously pushing square lithium batteries on the platform from the left side and the right side and clamping the square lithium batteries; the roof sets up the top at the storehouse body, reserves the through-hole that supplies square lithium cell's utmost point post to pass on the roof, and the expansion end of lift cylinder is connected to the roof, and the lift cylinder is installed on the lateral surface of the storehouse body, places the change piece on the utmost point post, and change piece and utmost point post compress tightly through change piece hold-down mechanism.
Further, the lithium battery positioning and clamping mechanism comprises a left clamping plate and a right clamping plate which are symmetrically arranged, and notches through which the platform can pass are arranged below the left clamping plate and the right clamping plate; the bottom of the left clamping plate is fixedly connected with two left sliding blocks, the two left sliding blocks are respectively and slidably connected with two guide rails, the guide rails are arranged at the bottom of the bin body 1, one left sliding block is hinged with a left connecting rod, the left connecting rod is hinged at the eccentric position of the rotating disc, the rotating disc is fixedly connected with a rotating shaft, and the rotating shaft is rotatably arranged at the bottom of the bin body 1; the bottom fixed connection two right sliders of right splint, two right sliders are two guide rails of sliding connection respectively, and articulated on one of them right slider has right connecting rod, and right connecting rod articulates in the eccentric position of rotary disk, and drive arrangement is connected to the rotary disk, can drive left splint and right splint synchronous opposite movement or synchronous back of body motion when drive arrangement drives the rotary disk and rotate.
Further, the driving device comprises a driving rod eccentrically hinged to the rotating disc, the driving rod is connected with the movable end of the driving cylinder, and the fixed end of the driving cylinder is hinged to the bottom of the bin body.
Further, the switching piece hold-down mechanism is including setting up the pressure cylinder in switching piece top, and the fixed pressure head of movable end of pressure cylinder can conflict after the pressure head moves down compresses tightly switching piece and utmost point post on switching piece, compresses tightly the cylinder linking bridge, and the support is fixed on the roof.
Further, a laser displacement sensor is also installed on the support, and the laser displacement sensor is used for detecting the contact degree of the switching sheet and the pole piece.
Further, two trapezoid plates are symmetrically arranged at the bottom of the pressure head, inclined planes of the two trapezoid plates are arranged oppositely, a trapezoid positioning groove with a small upper part and a large lower part is formed between the two trapezoid plates, and the connecting sheet is positioned in the trapezoid positioning groove.
Further, the inner side of the through hole is provided with a bump, the top of the bump is provided with a copper ring, and the pole penetrates out of the central hole of the copper ring.
3. The beneficial effects are that:
according to the welding auxiliary device, the square lithium battery is positioned and clamped through the lithium battery positioning and clamping mechanism, the transfer sheet is positioned and pressed through the transfer sheet pressing mechanism, accurate alignment of the transfer sheet and the pole of the square lithium battery is ensured, the contact degree of the transfer sheet and the pole piece is monitored through the laser displacement sensor, the quality after welding is ensured, and welding defects such as cold welding, welding through and the like caused by poor contact are avoided.
Drawings
FIG. 1 is a schematic cross-sectional view of a welding auxiliary device of the present utility model;
FIG. 2 is a schematic top view of the lithium battery positioning and clamping mechanism of the present utility model;
fig. 3 is a schematic left-view structure of the lithium battery positioning and clamping mechanism of the utility model.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
As shown in figures 1 to 3 of the drawings,
specific examples: a welding auxiliary device for square lithium battery poles and switching pieces comprises a bin body 1, a top plate 2, a lithium battery positioning and clamping mechanism and a switching piece pressing mechanism; the bottom of the bin body 1 is fixedly provided with a support column 3, the top of the support column 3 is fixedly provided with a platform 4, the platform 4 is used for placing square lithium batteries 5, the front of the bin body 1 is provided with an opening, the top of the platform 4 close to the rear side is fixedly provided with a limiting plate 6, and the square lithium batteries 5 are placed into the platform 4 from the opening and then are abutted against the limiting plate 6; the lithium battery positioning and clamping mechanism is used for synchronously pushing and clamping square lithium batteries 5 on the platform 4 from the left side and the right side;
specifically, the lithium battery positioning and clamping mechanism comprises a left clamping plate 7 and a right clamping plate 8 which are symmetrically arranged, and notches through which the platform 4 can pass are arranged below the left clamping plate 7 and the right clamping plate 8; the bottom of the left clamping plate 7 is fixedly connected with two left sliding blocks 9, the two left sliding blocks 9 are respectively and slidably connected with two guide rails 10, the guide rails 10 are arranged at the bottom of the bin body 1, one left sliding block 9 is hinged with a left connecting rod 11, the left connecting rod 11 is hinged at the eccentric position of a rotating disc 12, the rotating disc 12 is fixedly connected with a rotating shaft 13, and the rotating shaft 13 is rotatably arranged at the bottom of the bin body 1; the bottom of the right clamping plate 8 is fixedly connected with two right sliding blocks 14, the two right sliding blocks 14 are respectively and slidably connected with two guide rails 10, one right sliding block 14 is hinged with a right connecting rod 15, the right connecting rod 15 is hinged at the eccentric position of the rotating disc 12, the rotating disc 12 is connected with a driving device, and the driving device can drive the left clamping plate 7 and the right clamping plate 8 to synchronously move in opposite directions or synchronously move in opposite directions when driving the rotating disc 12 to rotate;
the driving device comprises a driving rod 16 eccentrically hinged to the rotary disc 12, the driving rod 16 is connected with the movable end of a driving air cylinder 17, and the fixed end of the driving air cylinder 17 is hinged to the bottom of the bin body 1. The driving cylinder 17 pushes the rotary disk 12 to rotate, when the rotary disk 12 rotates, the left slider 9 and the right slider 14 are pulled to slide along the guide rail 10 through the left connecting rod 11 and the right connecting rod 15 respectively, the left clamping plate 7 and the right clamping plate 8 which are connected with the left slider 9 and the right slider 14 respectively move synchronously, the square lithium battery 5 on the platform 4 is clamped when the left clamping plate 7 and the right clamping plate 8 move oppositely, the square lithium battery 5 is positioned, and the square lithium battery 5 is loosened when the left clamping plate 7 and the right clamping plate 8 move backwards.
The roof 2 sets up the top at the storehouse body 1, reserves the through-hole that supplies square lithium cell 5's utmost point post 5-1 to pass on the roof 2, and the expansion end of lift cylinder 18 is connected to roof 2, and lift cylinder 18 installs on the lateral surface of the storehouse body 1, places switching piece 5-2 on the utmost point post 5-1, and switching piece 5-2 and utmost point post 5-1 compress tightly through switching piece hold-down mechanism. Preferably, the inner side of the through hole is provided with a bump 19, a copper ring 20 is arranged at the top of the bump 19, and the pole 5-1 penetrates out of the central hole of the copper ring 20. The lifting cylinder 18 drives the top plate 2 to move up and down, so that the pole 5-1 can penetrate through the central hole of the copper ring 20.
Specifically, the adapter plate compressing mechanism comprises a compressing cylinder 21 arranged above the adapter plate 5-2, a movable end of the compressing cylinder 21 is fixed with a pressure head 22, the pressure head 22 can be abutted against the adapter plate 5-2 to compress the adapter plate 5-2 and the pole 5-1 after moving downwards, the compressing cylinder 21 is connected with a support 23, and the support 23 is fixed on the top plate 2. The bracket 23 is also provided with a laser displacement sensor 24, and the laser displacement sensor 24 is used for detecting the contact degree of the switching piece 5-2 and the pole piece 5-1.
Two trapezoid plates 25 are symmetrically arranged at the bottom of the pressure head 22, inclined planes of the two trapezoid plates 25 are arranged oppositely, trapezoid positioning grooves with small upper parts and large lower parts are formed between the two trapezoid plates 25, and the connecting sheet 5-2 is positioned in the trapezoid positioning grooves.
The welding auxiliary device is used for positioning and clamping the laser welding operation of the pole and the connecting sheet, and the specific working principle is as follows: the lifting cylinder 18 works to drive the top plate 2 to move upwards, the square lithium battery 5 is placed into the platform 4 from the opening and then is abutted against the limiting plate 6, the driving cylinder 17 works to drive the left clamping plate 7 and the right clamping plate 8 to clamp the square lithium battery 5 on the platform 4 when moving oppositely, the lifting cylinder 18 works to drive the top plate 2 to move downwards, the pole 5-1 penetrates through the center hole of the copper ring 20, the connecting piece 5-2 is placed on the pole 5-1, the pressing cylinder 21 works to drive the pressing head 22 to move downwards, the connecting piece 5-2 is slowly positioned in the center of the trapezoid positioning groove until the connecting piece 5-2 and the pole 5-1 are pressed, at the moment, the connecting piece 5-2 and the pole 5-1 are aligned accurately, the laser displacement sensor 24 detects the contact degree of the rotating piece 5-2 and the pole piece 5-1, and laser welding can be performed after the requirements are met.
The welding auxiliary device is placed on the laser welding machine, the welding process is operated by a mechanical arm of the laser welding machine, and the laser working head on the mechanical arm is used for carrying out laser welding on the joint of the connecting sheet 5-2 and the pole 5-1.
While the utility model has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model, and it is intended that the scope of the utility model shall be limited only by the claims appended hereto.
Claims (7)
1. The auxiliary welding device for the square lithium battery pole and the adapter plate is characterized by comprising a bin body, a top plate, a lithium battery positioning and clamping mechanism and an adapter plate pressing mechanism; the bottom of the bin body is fixedly provided with a supporting column, the top of the supporting column is fixedly provided with a platform, the platform is used for placing square lithium batteries, the front of the bin body is provided with an opening, the top of the platform, which is close to the rear side, is fixedly provided with a limiting plate, and the square lithium batteries are placed into the platform from the opening and then are abutted against the limiting plate; the lithium battery positioning and clamping mechanism is used for synchronously pushing square lithium batteries on the platform from the left side and the right side and clamping the square lithium batteries; the roof sets up the top at the storehouse body, reserves the through-hole that supplies square lithium cell's utmost point post to pass on the roof, and the expansion end of lift cylinder is connected to the roof, and the lift cylinder is installed on the lateral surface of the storehouse body, places the change piece on the utmost point post, and change piece and utmost point post compress tightly through change piece hold-down mechanism.
2. The welding auxiliary device for the square lithium battery pole and the switching piece according to claim 1, wherein the lithium battery positioning and clamping mechanism comprises a left clamping plate and a right clamping plate which are symmetrically arranged, and notches through which a platform can pass are arranged below the left clamping plate and the right clamping plate; the bottom of the left clamping plate is fixedly connected with two left sliding blocks, the two left sliding blocks are respectively and slidably connected with two guide rails, the guide rails are arranged at the bottom of the bin body (1), one left sliding block is hinged with a left connecting rod, the left connecting rod is hinged at the eccentric position of the rotary disc, the rotary disc is fixedly connected with a rotary shaft, and the rotary shaft is rotatably arranged at the bottom of the bin body (1); the bottom fixed connection two right sliders of right splint, two right sliders are two guide rails of sliding connection respectively, and articulated on one of them right slider has right connecting rod, and right connecting rod articulates in the eccentric position of rotary disk, and drive arrangement is connected to the rotary disk, can drive left splint and right splint synchronous opposite movement or synchronous back of body motion when drive arrangement drives the rotary disk and rotate.
3. The welding auxiliary device for the square lithium battery pole and the switching piece according to claim 2, wherein the driving device comprises a driving rod eccentrically hinged to the rotary disc, the driving rod is connected with a movable end of a driving cylinder, and a fixed end of the driving cylinder is hinged to the bottom of the bin body.
4. A welding auxiliary device for square lithium battery poles and switching pieces according to any one of claims 1-3, wherein the switching piece pressing mechanism comprises a pressing cylinder arranged above the switching piece, a movable end of the pressing cylinder is fixed with a pressing head, the pressing head can press the switching piece and the poles on the switching piece in a pressing manner after moving downwards, the pressing cylinder is connected with a support, and the support is fixed on a top plate.
5. The welding auxiliary device for the square lithium battery pole and the switching piece according to claim 4, wherein the bracket is further provided with a laser displacement sensor, and the laser displacement sensor is used for detecting the contact degree of the switching piece and the pole piece.
6. The welding auxiliary device for the square lithium battery pole and the switching piece according to claim 5, wherein two trapezoid plates are symmetrically arranged at the bottom of the pressure head, inclined planes of the two trapezoid plates are arranged oppositely, a trapezoid positioning groove with a small upper part and a large lower part is formed between the two trapezoid plates, and the connecting piece is positioned in the trapezoid positioning groove.
7. The welding auxiliary device for the square lithium battery pole and the switching piece according to claim 6, wherein the inner side surface of the through hole is provided with a bump, the top of the bump is provided with a copper ring, and the pole penetrates out of the center hole of the copper ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322048623.3U CN220698658U (en) | 2023-08-01 | 2023-08-01 | Welding auxiliary device for square lithium battery pole and switching piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322048623.3U CN220698658U (en) | 2023-08-01 | 2023-08-01 | Welding auxiliary device for square lithium battery pole and switching piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220698658U true CN220698658U (en) | 2024-04-02 |
Family
ID=90445363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322048623.3U Active CN220698658U (en) | 2023-08-01 | 2023-08-01 | Welding auxiliary device for square lithium battery pole and switching piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220698658U (en) |
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2023
- 2023-08-01 CN CN202322048623.3U patent/CN220698658U/en active Active
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