CN220462596U - Clamping device for welding periphery of cover plate of square shell battery shell - Google Patents
Clamping device for welding periphery of cover plate of square shell battery shell Download PDFInfo
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- CN220462596U CN220462596U CN202322072456.6U CN202322072456U CN220462596U CN 220462596 U CN220462596 U CN 220462596U CN 202322072456 U CN202322072456 U CN 202322072456U CN 220462596 U CN220462596 U CN 220462596U
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- welding
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- 238000003466 welding Methods 0.000 title claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000012937 correction Methods 0.000 claims description 19
- 230000006872 improvement Effects 0.000 description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to a clamping device for welding the periphery of a cover plate of a square shell battery shell, which comprises a base, a linear executing mechanism and a rotary clamping mechanism. The linear actuating mechanism is used for driving the base to move linearly. A rotary clamping mechanism is mounted on the base and is movable with the movement of the base, the rotary clamping mechanism being used to clamp and drive the battery in rotation. According to the utility model, the square shell battery is clamped by the rotary clamping mechanism and the base is driven to move by the linear actuating mechanism, the cover plate at one end of the square shell battery clamped by the rotary clamping mechanism is driven to enter the welding station for welding, and after the cover plate at one end of the square shell battery is welded with the shell, the base is driven to move by the linear actuating mechanism so that the cover plate at the other end of the square shell battery enters the welding station for welding.
Description
Technical Field
The utility model relates to a welding device, in particular to a clamping device for welding the periphery of a cover plate of a square shell battery shell.
Background
The lithium ion battery is a new generation green high-performance battery with excellent performance, and has the advantages of high voltage, high capacity, low consumption, no memory effect, no public hazard, small volume, small internal resistance, small self discharge, more cycle times and the like, so the lithium ion battery has been widely applied to various civil and military fields such as automobile power batteries, mobile phones, notebook computers, tablet computers and the like. Lithium ion batteries can be classified into square-case lithium batteries, cylindrical lithium batteries, and the like according to their external structures.
In the process of processing the square shell lithium battery cell, two cover plates are assembled at two ends of the square shell of the battery respectively, the battery is integrally positioned, then the laser emergent heads weld welding seams between the cover plates at two ends of the battery and the square shell respectively, the battery is rotated during welding to finish welding of the square shell of the battery and the cover plates, and the welded square shell battery structure is shown in figure 1. The existing square shell battery welding equipment can only weld the cover plate at one end of the battery at a time, and after the cover plate at one end is welded, the battery needs to be clamped again so that the cover plate at the other end is aligned with the laser emission head, so that the cover plate at the other end is welded, the working time is prolonged, and the efficiency is low.
Disclosure of Invention
Based on this, it is necessary to provide a clamping device for welding the periphery of a cover plate of a square-shell battery housing, which aims at the technical problems that the existing welding device for the cover plate of the square-shell battery housing can only weld the cover plate at one end of the battery at a time, and the battery needs to be clamped again to weld the cover plate at the other end after the welding of the cover plate at one end is completed, so that the working time is prolonged and the efficiency is low.
The utility model provides a clamping device for welding the periphery of a cover plate of a square-shell battery shell, which comprises a base, a linear executing mechanism and a rotary clamping mechanism, wherein the linear executing mechanism is arranged on the base; the linear actuating mechanism is used for driving the base to move linearly; a rotary clamping mechanism is mounted on the base and is movable with the movement of the base, the rotary clamping mechanism being used to clamp and drive the battery in rotation.
According to the utility model, the square shell battery is clamped by the rotating clamping mechanisms and the base is driven to move by the linear actuating mechanism, one end cover plate of the square shell battery clamped by the two rotating clamping mechanisms is driven to enter the welding station and align with the laser emitting head, after the cover plate at one end of the square shell battery is welded with the shell, the linear actuating mechanism drives the base to move so that the cover plate at the other end of the square shell battery enters the welding station and aligns with the laser emitting head to weld the cover plate at the other end with the shell.
As a further improvement of the scheme, the clamping device for welding the periphery of the cover plate of the square-shell battery shell further comprises two mounting pieces, a battery carrier and a lifting mechanism; the two mounting pieces are oppositely arranged on the base; the battery carrier is positioned between the two mounting pieces and used for supporting a battery to be welded, and the battery carrier is driven to lift by the lifting mechanism; the rotary clamping mechanism comprises two rotary clamping pieces, the two rotary clamping pieces are respectively arranged on the two mounting pieces, and the two rotary clamping pieces are used for clamping the battery on the battery carrier and driving the battery to rotate.
As a further improvement of the above scheme, the rotary clamping member includes a clamping cylinder, a clamping plate and a rotary motor, the rotary motor is mounted on the mounting member, the clamping cylinder is mounted at an output end of the rotary motor, and the clamping plate is mounted on a piston rod of the clamping cylinder.
As a further improvement of the scheme, a pole avoiding groove is formed in one side, far away from the air cylinder, of the clamping plate.
As a further improvement of the scheme, the first protection plates are arranged on two sides of the width direction of the battery carrier, and the first positioning openings matched with the clamping plates are formed in the first protection plates.
As a further improvement of the above, it further comprises:
the two correction plates are respectively arranged at two sides of the battery carrier in the length direction; and
and the parallel clamping jaw cylinder is arranged below the battery carrier, and the two correction plates are respectively arranged on the two clamping jaws of the parallel clamping jaw cylinder.
As a further improvement of the scheme, the two sides of the battery carrier in the length direction are provided with the protection plate II, and the position of the protection plate II relative to the correction plate is provided with the positioning opening II matched with the correction plate.
As a further improvement of the scheme, the lifting mechanism adopts a lifting cylinder, and the bottom of the battery carrier is arranged at the telescopic end of the lifting cylinder.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the square shell battery is clamped by the rotary clamping mechanism and the base is driven to move by the linear actuating mechanism, the cover plate at one end of the square shell battery clamped by the rotary clamping mechanism is driven to enter the welding station and align with the laser emission head, after the cover plate at one end of the square shell battery is welded with the shell, the linear actuating mechanism drives the base to move so that the cover plate at the other end of the square shell battery enters the welding station and aligns with the laser emission head to weld the cover plate at the other end with the shell.
2. According to the utility model, the battery to be welded is pre-positioned by arranging the battery carrier, so that the two rotary clamping pieces can better clamp the square-shell battery; meanwhile, the clamping plate is provided with the pole avoiding groove, so that the pole can be protected from being damaged when the square shell battery is clamped.
3. According to the utility model, the two correction plates and the parallel clamping jaw air cylinders are arranged, so that the position of the square-shell battery on the battery carrier is adjusted before the square-shell battery is clamped by the rotary clamping piece, and the welding effect is improved.
Drawings
Fig. 1 is a schematic structural view of a square battery;
fig. 2 is a schematic structural diagram of a clamping device for welding the periphery of a cover plate of a square-shell battery according to an embodiment of the present utility model;
fig. 3 is a working schematic diagram of a clamping device for welding the periphery of a cover plate of a square battery case according to an embodiment of the utility model.
Reference numerals: 1. a base; 2. a linear actuator; 3. a mounting member; 4. a battery carrier; 5. a clamping cylinder; 6. a clamping plate; 7. a rotating electric machine; 8. a pole avoiding groove; 9. a first protection plate; 10. positioning a first opening; 11. a correction plate; 12. a second protection plate; 13. positioning ports II; 14. a lifting cylinder; 15. square battery.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment provides a clamping device for welding the periphery of a cover plate of a square shell battery shell, aiming at the technical problems that the prior welding equipment for the cover plate of the square shell battery shell respectively welds welding seams at two ends of a battery, the working time is prolonged and the efficiency is low. Referring to fig. 2, a clamping device for welding the periphery of a cover plate of a square battery case of the present embodiment includes a base 1, a linear actuator 2, two mounting members 3, a battery carrier 4, a lifting mechanism and two rotary clamping members.
The base 1 is horizontally arranged, and the base 1 is driven by the linear actuator 2 to perform linear movement. In this embodiment, the linear actuator 2 may be a cylinder, a motor, or a screw, as long as the linear movement of the base 1 can be achieved.
The two mounting pieces 3 are oppositely arranged in parallel, and the two mounting pieces 3 are mounted at the top end of the base 1, so that the two mounting pieces 3 can move along with the movement of the base 1. In this embodiment, the mounting member 3 adopts a plate structure that is square as a whole, however, in other embodiments, the mounting member 3 may have other structures as long as the structural stability of the mounting member 3 is ensured.
The battery carrier 4 is arranged between the two mounting pieces 3, and the battery carrier 4 is used for placing square-shell batteries 15 to be welded. The battery carrier 4 adopts the whole square plate body structure that is, and two installed parts 3 are located battery carrier 4 width direction both sides, and battery carrier 4 width direction both sides integrated into one piece has guard plate one 9, and a locating hole one 10 has been seted up from its top to its inside to guard plate one 9 intermediate position. The battery carrier 4 length direction both sides integrated into one piece has guard plate two 12, and guard plate two 12 intermediate position has offered locating port two 13 from its top to its inside. When the square-shell battery 15 to be welded is placed, the cover plates at the two ends of the square-shell battery 15 are respectively opposite to the two protection plates one 9, and the polar posts on the cover plates are aligned to the positioning openings one 10.
The battery stage 4 is driven by a lifting mechanism to vertically lift and lower between the two mounts 3. In this embodiment, the lifting mechanism adopts a lifting cylinder 14, the lifting cylinder 14 is mounted on the base 1, the bottom end of the battery carrier 4 is mounted on a piston rod of the lifting cylinder 14, and the piston rod of the lifting cylinder 14 stretches and contracts to drive the battery carrier 4 to lift and descend.
The two rotary clamping pieces are respectively arranged on two sides of the battery carrier 4 in the width direction, the two rotary clamping pieces are respectively arranged on one side opposite to the two mounting pieces 3, and the two rotary clamping pieces are used for clamping the square-shell battery 15 to be welded on the battery carrier 4 and driving the square-shell battery 15 to rotate around a horizontal shaft. In this embodiment, the rotary clamping member includes a clamping cylinder 5, a clamping plate 6 and a rotary motor 7, the rotary motor 7 is mounted on the mounting member 3, the clamping cylinder 5 is mounted at an output end of the rotary motor 7, the clamping plate 6 is mounted on a piston rod of the clamping cylinder 5, and a shape and a size of the clamping plate 6 are adapted to a shape and a size of the positioning opening 10. After the piston rods of the two clamping cylinders 5 extend out, the two clamping plates 6 are driven to respectively pass through the two positioning openings 10 and respectively abut against the two cover plates of the square-shell battery, so that the square-shell battery is clamped, and the rotating motor 7 is started to drive the square-shell battery 15 to rotate around the output shaft of the square-shell battery. In order to clamp the square-shell battery 15 and protect the pole of the square-shell battery 15, a pole clamping plate 8 matched with the pole is arranged on one side, away from the clamping cylinder 5, of the clamping plate 6, and when the clamping plate 6 clamps the battery, the pole stretches into the pole clamping plate 8 without being damaged.
For better centre gripping battery for the apron of battery and casing hookup location can aim at laser exit head, and the welding of square shell battery casing apron periphery of this embodiment is with clamping device still can include two correction boards 11 and parallel clamping jaw cylinder (not shown), and two correction boards 11 set up respectively in the length direction both sides of battery carrier 4 and two correction boards 11 correspond with two locating hole second 13 respectively, and the shape size of correction board 11 and the shape size looks adaptation of locating hole second 13, and parallel clamping jaw cylinder is installed in battery carrier 4 below, and two correction boards 11 are installed respectively on two clamping jaws of parallel clamping jaw cylinder. Before the square-shell battery is clamped by the clamping plate 6, the parallel clamping jaw cylinders are contracted to drive the two correction plates 11 to synchronously move simultaneously and respectively pass through the two positioning openings II 13 to approach the square-shell battery 15, and finally the two correction plates 11 are abutted against the square-shell battery 15, so that the position adjustment of the square-shell battery 15 is completed, the position accuracy of a welding seam is improved, and the welding effect is improved.
In the working process of this embodiment, please refer to fig. 3, the square-shell battery 15 with assembled cover plate is placed on the battery carrier 4 by manual or mechanical hand, and when the parallel clamping jaw cylinder is contracted, the two correction plates 11 are driven to synchronously move at the same time and respectively pass through the two positioning ports two 13 to approach the square-shell battery 15, and finally the two correction plates 11 are abutted against the square-shell battery 15 to adjust the position of the square-shell battery 15; after the position is adjusted, the piston rods of the lifting cylinders 14 extend to drive the battery carrier 4 to rise between the two rotary clamping pieces, and the piston rods of the two clamping cylinders 5 extend to drive the two clamping plates 6 to respectively penetrate through the two positioning ports 10 and respectively abut against the two cover plates of the square-shell battery 15, so that the square-shell battery 15 is clamped, and at the moment, the pole on the cover plates extends into the pole clamping plates 8 without being damaged; the piston rod of the lifting cylinder 14 is retracted to drive the battery carrier 4 to descend, and the square shell battery is separated from the battery carrier 4 due to clamping; then, the linear actuating mechanism 2 drives the base 1 to move to a welding station, at this moment, the butt joint position of the cover plate at one end of the square-shell battery 15 and the shell aligns with the laser emitting head to start welding the cover plate at one end, in the welding process, the rotating motor 7 drives the square-shell battery 15 to rotate around the output shaft of the square-shell battery, and the rotating track is controlled to be matched with the laser welding path until the cover plate at one end is welded; then, the linear actuator 2 continues to drive the base 1 to move, so that the butt joint position of the cover plate at the other end of the square-shell battery 15 and the shell is aligned with the laser emitting head, and after repeating the welding action, the welding of the cover plates at the two ends of the square-shell battery 15 and the shell can be completed.
It is noted that when an element is referred to as being "mounted to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (8)
1. The clamping device for welding the periphery of the cover plate of the square-shell battery shell is characterized by comprising a base (1), a linear actuating mechanism (2) and a rotary clamping mechanism; the linear actuating mechanism (2) is used for driving the base (1) to move linearly; a rotary clamping mechanism is mounted on the base (1) and can move along with the movement of the base (1), and the rotary clamping mechanism is used for clamping the battery and driving the battery to rotate.
2. The clamping device for welding the periphery of the cover plate of the square-shell battery shell according to claim 1, wherein the clamping device for welding the periphery of the cover plate of the square-shell battery shell further comprises two mounting pieces (3), a battery carrier (4) and a lifting mechanism; the two mounting pieces (3) are oppositely mounted on the base (1); the battery carrier (4) is positioned between the two mounting pieces (3) and is used for supporting a battery to be welded, and the battery carrier (4) is driven to lift by the lifting mechanism; the rotary clamping mechanism comprises two rotary clamping pieces, the two rotary clamping pieces are respectively arranged on the two mounting pieces (3), and the two rotary clamping pieces are used for clamping the battery on the battery carrier (4) and driving the battery to rotate.
3. The clamping device for welding the periphery of the cover plate of the square-shell battery shell according to claim 2, wherein the rotary clamping piece comprises a clamping cylinder (5), a clamping plate (6) and a rotary motor (7), the rotary motor (7) is mounted on the mounting piece (3), the clamping cylinder (5) is mounted at the output end of the rotary motor (7), and the clamping plate (6) is mounted on a piston rod of the clamping cylinder (5).
4. A clamping device for welding the periphery of a cover plate of a square-shell battery case according to claim 3, wherein a pole avoiding groove (8) is formed in one side of the clamping plate (6) away from the clamping cylinder (5).
5. The clamping device for welding the periphery of a cover plate of a square-shell battery shell according to claim 3, wherein a first protection plate (9) is arranged on two sides of the width direction of the battery carrier (4), and a first positioning opening (10) matched with the clamping plate (6) is formed in the first protection plate (9).
6. The clamping device for welding the periphery of a cover plate of a square-shell battery case according to claim 2, further comprising:
the two correction plates (11) are respectively arranged at two sides of the battery carrier (4) in the length direction; and
and the parallel clamping jaw cylinder is arranged below the battery carrier (4), and the two correction plates (11) are respectively arranged on the two clamping jaws of the parallel clamping jaw cylinder.
7. The clamping device for welding the periphery of the cover plate of the square-shell battery shell according to claim 6, wherein the second protection plate (12) is arranged on two sides of the length direction of the battery carrier (4), and the second positioning opening (13) matched with the correction plate (11) is formed in the position, opposite to the correction plate (11), of the second protection plate (12).
8. The clamping device for welding the periphery of the cover plate of the square-shell battery shell according to claim 2, wherein the lifting mechanism adopts a lifting cylinder (14), and the bottom of the battery carrier (4) is mounted on a piston rod of the lifting cylinder (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322072456.6U CN220462596U (en) | 2023-08-01 | 2023-08-01 | Clamping device for welding periphery of cover plate of square shell battery shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322072456.6U CN220462596U (en) | 2023-08-01 | 2023-08-01 | Clamping device for welding periphery of cover plate of square shell battery shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220462596U true CN220462596U (en) | 2024-02-09 |
Family
ID=89773727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322072456.6U Active CN220462596U (en) | 2023-08-01 | 2023-08-01 | Clamping device for welding periphery of cover plate of square shell battery shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220462596U (en) |
-
2023
- 2023-08-01 CN CN202322072456.6U patent/CN220462596U/en active Active
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