CN220679732U - Lithium battery cover plate laser welding equipment - Google Patents

Abstract

The utility model discloses a lithium battery cover laser welding equipment, which includes a welding station. Support rods are fixedly installed on both sides of the top of the welding station. A top plate is fixedly installed in the middle of the adjacent side of the two support rods. The top of the top plate is fixedly installed. A hydraulic cylinder is fixedly installed in the middle. The output end of the hydraulic cylinder runs through the top plate and is fixedly connected to a horizontal plate. A laser welding instrument is installed at the bottom of the horizontal plate. Two limit slots are symmetrically provided at the top of the welding table. The two limit slots are The inner walls are all slidingly connected with sliding plates. This utility model uses a hydraulic cylinder to start the horizontal plate to descend, and at the same time, with the cooperation of the sliding sleeve, the first connecting rod and the second connecting rod, the two fixed sleeves are driven close to each other, and further in the limit groove The two clamps can be driven close to each other under the limit, so that the horizontal plate can be lowered to drive the laser welding instrument close to the welded parts, and at the same time, the two clamps can be squeezed against each other to clamp the welded parts, so there is no need to additionally fix the welded parts.

Description

A kind of laser welding equipment for lithium battery cover

Technical field

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

Background technique

Lithium battery cover welding is to weld the lithium battery cover to the battery case to ensure battery sealing and safety. Laser welding is a non-contact welding method that melts the material of the workpiece through the heat source of the laser beam. and connection. The movement of the welding head enables precise positioning of the weld seam and control of the welding speed.

A lithium battery cover welding device is disclosed in the patent with announcement number CN 215545784 U. The processing turntable is driven to rotate by a driving motor. Its upper surface is provided with a number of rectangular grooves, and each groove is equipped with a lithium battery fixed box. ; Each of the grooves can be rotated to the bottom of the welding gun. When using the utility model, the lithium battery to be processed is placed in the lithium battery fixing box, rotated to the bottom of the welding gun, and the welding gun is lowered for welding. By holding the lithium battery fixing box Run it around the groove for a week, and the upper lithium battery cover and the edge of the casing are welded by the welding gun. The welding process is stable and accurate, and the welding can be completed by just raising and lowering the welding gun, saving costs.

Although the above technology can be welded, the lithium battery has no fixed structure. The heat and welding force generated during the welding process will cause the position of the lithium battery cover to shift, causing the welding position to shift, thereby affecting the quality of the welding. , so it has certain limitations, so innovation is carried out on this technology.

Utility model content

The purpose of this utility model is to provide a lithium battery cover laser welding equipment to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solution: a lithium battery cover laser welding equipment, including a welding station, support rods are fixedly installed on both sides of the top of the welding station, and the two support rods are adjacent to each other. A top plate is fixedly installed in the middle of one side, and a hydraulic cylinder is fixedly installed in the middle of the top of the top plate. The output end of the hydraulic cylinder penetrates the top plate and is fixedly connected to a horizontal plate. A laser welding instrument is installed at the bottom of the horizontal plate. Two limit grooves are symmetrically provided on the top of the welding station. The inner walls of the two limit grooves are slidingly connected with sliding plates. The adjacent ends of the two sliding plates are fixedly connected with clamps.

As a preferred technical solution of the present invention, sliding sleeves are movable on both sides of the outer wall of the horizontal plate, and fixed sleeves are fixedly connected to the outer walls of the two sliding plates.

As a preferred technical solution of the present invention, first connecting rods are rotatably installed on the front faces of the two sliding sleeves, and one end of the two first connecting rods is rotationally connected to the front faces of adjacent fixed sleeves. A second connecting rod is rotatably mounted on the back of each sliding sleeve, and one end of the two second connecting rods is rotatably connected to the back of an adjacent support rod.

As a preferred technical solution of the present invention, the adjacent sides of the two support rods are provided with slide grooves, and the middle portions of both sides of the horizontal plate are fixedly equipped with slide blocks. The outer walls are all slidingly connected to the inner walls of adjacent chute.

As a preferred technical solution of the present invention, telescopic rods are fixedly installed on both sides of the top of the horizontal plate, and the tops of the two telescopic rods are fixedly connected to the bottom end of the top plate.

As a preferred technical solution of the present invention, two extension rods are symmetrically connected to the bottom end of the horizontal plate, and the bottom ends of the two extension rods are fixedly connected to pressure blocks by providing buffer springs.

Compared with the existing technology, the beneficial effects of this utility model are:

The utility model uses a hydraulic cylinder to start the cross plate to descend, and at the same time, the two fixing sleeves are driven to approach each other under the cooperation of the sliding sleeve, the first connecting rod and the second connecting rod, and further, under the limitation of the limiting groove, the two clamps can be driven to approach each other, so that the cross plate is descended to drive the laser welding instrument close to the weldment, and at the same time, the two clamps are driven to squeeze each other to clamp the weldment, so there is no need to additionally fix the weldment, which not only plays a stabilizing role during welding, but also avoids the need to manually limit the weldment before welding.

BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a schematic structural diagram of the utility model;

Figure 2 is a partial structural diagram of the utility model;

Figure 3 is a schematic structural diagram of the horizontal plate, sliding plate and clamp in the present utility model.

In the picture: 1. Welding table; 2. Support rod; 3. Top plate; 4. Hydraulic cylinder; 5. Laser welding instrument; 6. Sliding plate; 7. Clamp; 8. Horizontal plate; 9. Sliding sleeve; 10. Fixed set; 11. First connecting rod; 12. Second connecting rod; 13. Slide; 14. Telescopic rod; 15. Extension rod; 16. Pressure block.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Example

Please refer to Figures 1 to 3. The utility model provides a technical solution:

It includes a welding table 1. Support rods 2 are fixedly installed on both sides of the top of the welding table 1. A top plate 3 is fixedly installed in the middle of the adjacent side of the two support rods 2. A hydraulic cylinder 4 is fixedly installed in the middle of the top of the top of the top plate 3. The hydraulic The output end of the cylinder 4 penetrates the top plate 3 and is fixedly connected to a horizontal plate 8. A laser welding instrument 5 is installed at the bottom of the horizontal plate 8. Two limit grooves are symmetrically provided at the top of the welding table 1, and the inner walls of the two limit grooves are A sliding plate 6 is slidably connected, and a clamp 7 is fixedly connected to the adjacent ends of the two sliding plates 6 .

In this embodiment, sliding sleeves 9 are movable on both sides of the outer wall of the horizontal plate 8, fixed sleeves 10 are fixedly connected to the outer walls of the two sliding plates 6, and first connections are rotatably installed on the fronts of the two sliding sleeves 9. Rod 11, one end of the two first connecting rods 11 are rotatably connected to the front of the adjacent fixed sleeve 10, and the back of the two sliding sleeves 9 is rotatably mounted with a second connecting rod 12, one end of the two second connecting rods 12 Both are rotationally connected to the back side of the adjacent support rod 2. The horizontal plate 8 descends, and the sliding sleeve 9 and the fixed sleeve 10 are driven to move in opposite directions under the cooperation of the rotational force of the first connecting rod 11 and the second connecting rod 12, thereby driving the two The clamps 7 are close to each other for clamping.

In this embodiment, a slide groove 13 is provided on one side adjacent to the two support rods 2, and a slider is fixedly installed in the middle of both sides of the cross plate 8. The outer walls of the two sliders are slidably connected to the inner walls of the adjacent slide grooves 13. Telescopic rods 14 are fixedly installed on both sides of the top of the cross plate 8, and the tops of the two telescopic rods 14 are fixedly connected to the bottom end of the top plate 3. The setting of the slider and the slide groove 13 plays a role in assisting the vertical lifting of the cross plate 8, and the setting of the telescopic rod 14 plays an auxiliary supporting role greater than the two sides of the cross plate 8, thereby improving the stability of the cross plate 8 during operation.

In this embodiment, two extension rods 15 are symmetrically connected to the bottom end of the horizontal plate 8. The bottom ends of the two extension rods 15 are fixedly connected to pressure blocks 16 through buffer springs. When the horizontal plate 8 rises and falls, the extension rods are driven at the same time. 15 and the pressure block 16 descend synchronously until the pressure block 16 presses the components to be welded on the battery cover to limit the position, so that there is no need to additionally limit the position between the welding parts, which saves the operating procedures to a certain extent and improves the efficiency. Processing efficiency.

Working principle: When in use, first place the cover plate that needs to be welded between the two clamps 7, and place the welded parts that need to be welded on the cover plate, drive the hydraulic cylinder 4 to run, and the buffer support of the chute 13 and The limit of the chute 13 drives the horizontal plate 8 to drop steadily, and further drives the laser welding instrument 5 to drop close to the welding part and stop. At this time, the extension rod 15 drives the pressure block 16 to drop to press the welded cover plate and the welding part. limit, and at the same time, the horizontal plate 8 descends to drive the two sliding sleeves 9 to slide in opposite directions on the horizontal plate 8, and further drives the two fixed sleeves 10 to approach each other under the rotational connection of the first connecting rod 11 and the second connecting rod 12. With the help of the limiting groove, the two sliding plates 6 are driven to move parallel to each other, and then the two clamps 7 are driven to approach each other to clamp the cover plate in place, and then the laser welding instrument 5 is driven to operate. The welding on the laser welding instrument 5 The head moves on the laser welding instrument according to the set movement program to perform laser welding on the parts that need to be welded. After the welding is completed, on the contrary, the hydraulic cylinder 4 is driven to drive the horizontal plate 8 to rise, and the clamping is loosened, making it easier to take out the welded components. .

In the description of the present utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying what is meant. The devices or components must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be construed as a limitation of the present invention.

In the present utility model, unless otherwise clearly stipulated and limited, for example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or a direct connection. It can be indirectly connected through an intermediary, it can be the internal connection of two elements or the interactive relationship between two elements. Unless otherwise clearly defined, those of ordinary skill in the art can understand the above terms in this article according to the specific circumstances. The specific meaning in utility model.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention. , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A lithium battery cover laser welding equipment, including a welding station (1), characterized in that: support rods (2) are fixedly installed on both sides of the top of the welding station (1), and two support rods (2) A top plate (3) is fixedly installed in the middle of the adjacent side, a hydraulic cylinder (4) is fixedly installed in the middle of the top of the top plate (3), and the output end of the hydraulic cylinder (4) penetrates the top plate (3) And a horizontal plate (8) is fixedly connected. A laser welding instrument (5) is installed at the bottom of the horizontal plate (8). The top of the welding table (1) is symmetrically provided with two limiting grooves. The inner walls of the limiting grooves are slidingly connected with sliding plates (6), and the adjacent ends of the two sliding plates (6) are fixedly connected with clamps (7). 2. A lithium battery cover laser welding equipment according to claim 1, characterized in that: both sides of the outer wall of the horizontal plate (8) are movable with sliding sleeves (9), and the two sliding sleeves (9) are movable. The outer walls of the plate (6) are fixedly connected with fixing sleeves (10). 3. A lithium battery cover laser welding equipment according to claim 2, characterized in that: the front surfaces of the two sliding sleeves (9) are both rotatably installed with first connecting rods (11). One end of the first connecting rod (11) is rotatably connected to the front side of the adjacent fixed sleeve (10), and a second connecting rod (12) is rotatably installed on the back side of the two sliding sleeves (9). One end of the second connecting rod (12) is rotationally connected to the back surface of the adjacent support rod (2). 4. A lithium battery cover laser welding device according to claim 1, characterized in that: a slide groove (13) is provided on the adjacent side of the two support rods (2), and a slider is fixedly installed in the middle of both sides of the cross plate (8), and the outer walls of the two sliders are slidably connected to the inner walls of the adjacent slide groove (13). 5. A lithium battery cover laser welding equipment according to claim 1, characterized in that: telescopic rods (14) are fixedly installed on both sides of the top of the horizontal plate (8), and two telescopic rods The top ends of (14) are fixedly connected to the bottom end of the top plate (3). 6. A lithium battery cover laser welding equipment according to claim 1, characterized in that: two extension rods (15) are symmetrically connected to the bottom end of the horizontal plate (8), and the two extension rods The bottom ends of (15) are fixedly connected with pressure blocks (16) through buffer springs.