CN220679732U

CN220679732U - Lithium battery cover plate laser welding equipment

Info

Publication number: CN220679732U
Application number: CN202322274960.4U
Authority: CN
Inventors: 余承祥; 周振宇
Original assignee: Suzhou Furunze Laser Technology Co ltd
Current assignee: Suzhou Furunze Laser Technology Co ltd
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-03-29
Anticipated expiration: 2033-08-23

Abstract

The utility model discloses lithium battery cover plate laser welding equipment which comprises a welding table, wherein supporting rods are fixedly arranged on two sides of the top end of the welding table, a top plate is fixedly arranged in the middle of one side adjacent to the two supporting rods, a hydraulic cylinder is fixedly arranged in the middle of the top end of the top plate, the output end of the hydraulic cylinder penetrates through the top plate and is fixedly connected with a transverse plate, a laser welding instrument is arranged at the bottom of the transverse plate, two limiting grooves are symmetrically formed in the top end of the welding table, and sliding plates are slidably connected to the inner walls of the two limiting grooves.

Description

Lithium battery cover plate laser welding equipment

Technical Field

The utility model relates to welding equipment, in particular to lithium battery cover plate laser welding equipment.

Background

The lithium battery cover plate welding is to weld the cover plate of the lithium battery with the battery shell so as to ensure the tightness and the safety of the battery, and the laser welding is a non-contact welding method, wherein the materials of the workpiece are melted and connected through the heat source of the laser beam. The movement of the welding head can realize the accurate positioning of the welding line and the control of the welding speed.

The patent with publication number CN 215545784U discloses a lithium battery cover plate welding device, wherein the processing turntable is driven by a driving motor to rotate, a plurality of rectangular grooves are formed in the upper surface of the processing turntable, and each groove is provided with a lithium battery fixing box; when the lithium battery welding device is used, the lithium battery to be processed is placed in the lithium battery fixing box, the lithium battery to be processed is rotated to the position below the welding gun, the welding gun is lowered to weld, the lithium battery fixing box is held by a hand to move the lithium battery fixing box around the groove for one circle, the upper lithium battery cover plate and the edge of the shell are welded for one circle by the welding gun, the welding process is stable and accurate, and the welding can be completed only by lifting the welding gun, so that the cost is saved.

Although the above-mentioned technology can be used for welding, the lithium battery has no fixed structure, and the heat and welding force generated in the welding process can shift the position of the lithium battery cover plate, so that the welding position shifts, and the welding quality is affected, so that the technology has certain limitation, and innovations are made in the technology.

Disclosure of Invention

The utility model aims to provide a lithium battery cover plate laser welding device for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lithium cell apron laser welding equipment, includes the welding bench, the equal fixed mounting in both sides on welding bench top has the bracing piece, two the middle part fixed mounting of the adjacent one side of bracing piece has the roof, the middle part fixed mounting on roof top has the pneumatic cylinder, the output of pneumatic cylinder runs through roof and fixedly connected with diaphragm, laser welding appearance is installed to the bottom of diaphragm, two spacing grooves have been seted up to the top symmetry of welding bench, two equal sliding connection of inner wall in spacing groove has the sliding plate, two the equal fixedly connected with anchor clamps of the adjacent one end of sliding plate.

As a preferable technical scheme of the utility model, sliding sleeves are movably sleeved on two sides of the outer wall of the transverse plate, and the outer walls of the two sliding plates are fixedly connected with fixed sleeves.

As a preferable technical scheme of the utility model, the front surfaces of the two sliding sleeves are respectively provided with a first connecting rod in a rotating way, one ends of the two first connecting rods are respectively connected with the front surfaces of the adjacent fixed sleeves in a rotating way, the back surfaces of the two sliding sleeves are respectively provided with a second connecting rod in a rotating way, and one ends of the two second connecting rods are respectively connected with the back surfaces of the adjacent supporting rods in a rotating way.

As a preferable technical scheme of the utility model, the adjacent sides of the two support rods are provided with sliding grooves, the middle parts of the two sides of the transverse plate are fixedly provided with sliding blocks, and the outer walls of the two sliding blocks are in sliding connection with the inner walls of the adjacent sliding grooves.

As a preferable technical scheme of the utility model, telescopic rods are fixedly arranged on two sides of the top end of the transverse plate, and the top ends of the two telescopic rods are fixedly connected with the bottom end of the top plate.

As a preferable technical scheme of the utility model, the bottom ends of the transverse plates are symmetrically connected with two extension rods, and the bottom ends of the two extension rods are fixedly connected with pressing blocks through buffer springs.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the transverse plate is started to descend through the hydraulic cylinder, and the two fixing sleeves are driven to be close to each other under the cooperation of the sliding sleeve, the first connecting rod and the second connecting rod, and the two clamps are further driven to be close to each other under the limit of the limit groove, so that the welding part is clamped by driving the two clamps to mutually extrude while the laser welding instrument is driven to be close to the welding part by the descending of the transverse plate, and therefore, the welding part does not need to be additionally fixed, the stabilizing effect is achieved during welding, and the effect that the welding part is required to be limited manually before welding is avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a partial structure of the present utility model;

fig. 3 is a schematic structural view of the cross plate, the sliding plate and the clamp according to the present utility model.

In the figure: 1. a welding table; 2. a support rod; 3. a top plate; 4. a hydraulic cylinder; 5. a laser welding instrument; 6. a sliding plate; 7. a clamp; 8. a cross plate; 9. a sliding sleeve; 10. a fixed sleeve; 11. a first connecting rod; 12. a second connecting rod; 13. a chute; 14. a telescopic rod; 15. an extension rod; 16. and (5) briquetting.

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.

Examples

Referring to fig. 1-3, the present utility model provides a technical solution:

including welding table 1, the equal fixed mounting in both sides on welding table 1 top has bracing piece 2, and the middle part fixed mounting of two adjacent one sides of bracing piece 2 has roof 3, and the middle part fixed mounting on roof 3 top has pneumatic cylinder 4, and the output of pneumatic cylinder 4 runs through roof 3 and fixedly connected with diaphragm 8, and laser welding appearance 5 is installed to the bottom of diaphragm 8, and two spacing grooves have been seted up to the top symmetry of welding table 1, and the equal sliding connection in inner wall in two spacing grooves has slide plate 6, the equal fixedly connected with anchor clamps 7 of the adjacent one end of two slide plate 6.

In this embodiment, the both sides of diaphragm 8 outer wall all movable sleeve is equipped with sliding sleeve 9, the fixed cover 10 of the equal fixedly connected with of outer wall of two sliding plates 6, the head rod 11 is all installed in the front of two sliding sleeves 9 in the rotation, the one end of two head rods 11 all rotates with the front of adjacent fixed cover 10 to be connected, the second connecting rod 12 is all installed in the rotation of the back of two sliding sleeves 9, the one end of two second connecting rods 12 all rotates with the back of adjacent bracing piece 2 to be connected, diaphragm 8 descends, drive sliding sleeve 9 and fixed cover 10 to the opposite direction removal under the cooperation of the turning force of head rod 11 and second connecting rod 12, thereby drive two anchor clamps 7 and be close to each other and realize the centre gripping.

In this embodiment, spout 13 has all been seted up to two adjacent one sides of bracing piece 2, the equal fixed mounting in middle part of diaphragm 8 both sides has the slider, the outer wall of two sliders all with the inner wall sliding connection of adjacent spout 13, the equal fixed mounting in both sides on diaphragm 8 top has telescopic link 14, the top of two telescopic link 14 all with the bottom fixed connection of roof 3, the slider plays the effect of supplementary diaphragm 8 vertical lift with the setting of spout 13, the setting of telescopic link 14 plays the auxiliary stay effect that is greater than diaphragm 8 both sides, thereby the stability of diaphragm 8 in the operation in-process has been improved.

In this embodiment, the bottom symmetry of diaphragm 8 is connected with two extension bars 15, and the bottom of two extension bars 15 is all through setting up buffer spring fixedly connected with briquetting 16, drives extension bar 15 and briquetting 16 and descends in step when diaphragm 8 goes up and down until briquetting 16 is spacing with the component suppression that needs the welding on the battery cover plate to need not to additionally carry out spacing between the welding, saved the operation procedure to a certain extent, improved machining efficiency.

Working principle: when the welding fixture is used, a cover plate to be welded is placed between two clamps 7, a welding piece to be welded is placed on the cover plate, the hydraulic cylinder 4 is driven to operate, the transverse plate 8 is driven to stably descend under the buffer support of the chute 13 and the limit of the chute 13, the laser welding instrument 5 is further driven to descend to stop when approaching to a welding position, at the moment, the extension rod 15 simultaneously drives the pressing block 16 to descend to press and limit the welded cover plate and the welding piece, the transverse plate 8 descends to drive the two sliding sleeves 9 to slide in opposite directions on the transverse plate 8, the two fixing sleeves 10 are further driven to mutually approach under the rotary connection of the first connecting rod 11 and the second connecting rod 12, the two sliding plates 6 are driven to move in parallel under the limit assistance of the limit groove, the two clamps 7 are driven to mutually approach to clamp and limit the cover plate, the laser welding instrument 5 is driven to operate, the welding head on the laser welding instrument 5 moves to perform laser welding on the position to be welded according to the set moving program, and after the welding is finished, the transverse plate 8 is driven to ascend, the clamping is loosened, and the welding fixture is convenient to take the welded element.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Lithium cell apron laser welding equipment, including welding bench (1), its characterized in that: the welding bench is characterized in that the two sides of the top end of the welding bench (1) are fixedly provided with supporting rods (2), the two supporting rods are fixedly provided with a top plate (3) in the middle of one adjacent side of each supporting rod (2), the middle of the top end of each top plate (3) is fixedly provided with a hydraulic cylinder (4), the output end of each hydraulic cylinder (4) penetrates through the top plate (3) and is fixedly connected with a transverse plate (8), the bottom of each transverse plate (8) is provided with a laser welding instrument (5), the top end of the welding bench (1) is symmetrically provided with two limiting grooves, the inner walls of the limiting grooves are fixedly connected with sliding plates (6), and the two ends of the sliding plates (6) adjacent to each other are fixedly connected with clamps (7).

2. The lithium battery cover plate laser welding device according to claim 1, wherein: sliding sleeves (9) are movably sleeved on two sides of the outer wall of the transverse plate (8), and fixed sleeves (10) are fixedly connected to the outer walls of the two sliding plates (6).

3. The lithium battery cover plate laser welding device according to claim 2, wherein: the front faces of the sliding sleeves (9) are respectively provided with a first connecting rod (11) in a rotating mode, one ends of the first connecting rods (11) are respectively connected with the front faces of the adjacent fixed sleeves (10) in a rotating mode, the back faces of the sliding sleeves (9) are respectively provided with a second connecting rod (12) in a rotating mode, and one ends of the second connecting rods (12) are respectively connected with the back faces of the adjacent supporting rods (2) in a rotating mode.

4. The lithium battery cover plate laser welding device according to claim 1, wherein: the sliding grooves (13) are formed in one adjacent side of each supporting rod (2), sliding blocks are fixedly mounted in the middle of two sides of each transverse plate (8), and the outer walls of the two sliding blocks are in sliding connection with the inner walls of the adjacent sliding grooves (13).

5. The lithium battery cover plate laser welding device according to claim 1, wherein: the two sides of the top end of the transverse plate (8) are fixedly provided with telescopic rods (14), and the top ends of the two telescopic rods (14) are fixedly connected with the bottom end of the top plate (3).

6. The lithium battery cover plate laser welding device according to claim 1, wherein: two extension rods (15) are symmetrically connected to the bottom end of the transverse plate (8), and pressing blocks (16) are fixedly connected to the bottom ends of the two extension rods (15) through buffer springs.