CN105499799A - Battery laser welding equipment - Google Patents

Abstract

The invention discloses battery laser welding equipment which comprises a defective product conveying mechanism, a carrying manipulator mechanism and a welding mechanism. The welding mechanism comprises a rotary table assembly with a fixture, an upper protecting cover and scanning assembly, a protecting cover reflux assembly, a jacking assembly, a positioning fixture assembly, a laser welding assembly and a lower protecting cover and appearance detection assembly. Compared with the prior art, the battery laser welding equipment has the advantages of being high in welding positioning precision, small in product damage, high in product yield and the like.

Description

A battery laser welding equipment

technical field

The invention relates to battery processing equipment, in particular to battery laser welding equipment.

Background technique

In the battery processing and production process, one of the processes needs to weld the battery top cover and the battery body as a whole. This welding process requires high-precision welding to ensure the quality of battery production. However, in the existing equipment, because the positioning devices such as the positioning mechanism and the clamping mechanism of the equipment do not have high positioning accuracy for the battery product, the battery body is prone to quality problems during the welding process of the battery top cover, which may damage the battery product, thereby affecting Product quality, the defective rate of the product is high, has seriously affected the economic benefit of the product.

In view of this, the purpose of the present invention is to provide a new technical solution to solve the existing technical problems.

Contents of the invention

In order to overcome the deficiencies of the prior art, the present invention provides a battery laser welding equipment, which solves the technical defects of the existing equipment such as poor positioning accuracy, easy product damage, and high product defect rate.

The technical solution adopted by the present invention to solve its technical problems is:

A battery laser welding device, comprising a defective product conveying mechanism, a handling manipulator mechanism, and a welding mechanism, the welding mechanism including a turntable assembly provided with a clamp, an upper protective cover and a scanning assembly, a jacking assembly, a positioning jig assembly, a laser welding Components, lower protective cover and visual inspection components.

As a further improvement of the above technical solution, the positioning jig assembly includes a jig bottom plate, the jig bottom plate is equipped with a reference plate for positioning the short side of the product on one side, and the jig bottom plate is equipped with a first slide rail device and The second slide rail device, the first slide rail device and the second slide rail device are respectively equipped with a first carrier plate and a second carrier plate that can be transferred on the first slide rail device and the second slide rail device, The first carrier is equipped with a third slide rail device, a first clamping and positioning device, and a long-side single-side reference plate for positioning products. The third slide rail device is equipped with a third carrier and the first A long-side single-side clamping plate matching the long-side single-side reference plate is mounted on the three carrier plates, and the output end of the first clamping and positioning device is connected to the long-side single-side clamping plate and can be clamped and positioned The clamping plate on one side of the side clamps the positioned product and presses it to the reference plate on one side of the long side. The second clamping and positioning device is installed on the bottom of the jig, and the output end of the second clamping and positioning device is connected to The above-mentioned second carrier board can be clamped and positioned. The second carrier board presses against the positioned product and cooperates with the above-mentioned short-side single-side reference board to realize short-side positioning.

As a further improvement of the above technical solution, both the jig bottom plate and the first carrier plate are equipped with a product channel that matches in position and is used to position the product to pass through, and the jig bottom plate is equipped with an elastic baffle, and the elastic The baffle is equipped with a connecting guide rod and an adjusting screw connected to the first carrier plate, a compression spring is arranged between the head of the connecting guide rod and the elastic baffle, and the first clamping and positioning device and the second Both clamping and positioning devices are clamping and positioning cylinders.

As a further improvement of the above technical solution, the first clamping and positioning device and the second clamping and positioning device are respectively assembled on the first carrier plate and the jig bottom plate through the first cylinder fixing plate and the second cylinder fixing plate, so that The short-side single-side reference plate and the long-side single-side reference plate are positioning members whose positioning surfaces are perpendicular to each other.

As a further improvement of the above technical solution, the upper protective cover and the scanning assembly include an upper protective cover transfer mechanism and a suction cup mounting plate arranged on the upper protective cover transfer mechanism, and an upper protective cover is arranged on the suction cup mounting plate. The cover suction cup and the upper protective cover scanning gun, the lower protective cover and the appearance detection component include a lower protective cover transfer mechanism and a detection mounting plate arranged on the lower protective cover transfer mechanism, and the detection mounting plate is provided with The suction cup of the lower protective cover and the appearance inspection of CCD.

As a further improvement of the above technical solution, the laser welding assembly is installed above the positioning fixture assembly, which includes a laser welding motion platform and a laser welding head arranged on the laser welding motion platform, and the laser welding head is used for The battery product positioned in the welding positioning jig assembly.

As a further improvement of the above technical solution, the laser welding motion platform includes a welding first linear motion device, a welding first carrier set on the welding first linear motion device, a welding first carrier plate set on the welding first The welding second linear motion device on the welding second linear motion device, the welding second carrier plate installed on the welding second linear motion device, the third adjustment device arranged on the side of the welding second carrier plate and the third adjustment device installed on the third The welding head mounting plate on the adjustment device, the laser welding head is installed on the welding head mounting plate.

As a further improvement of the above technical solution, the jacking assembly is installed below the positioning jig assembly, the upper protective cover, the scanning assembly, the lower protective cover, and the appearance inspection assembly, the jacking assembly includes a jacking assembly mounting plate, and The jacking assembly mounting plate is provided with a through groove, the side wall of the through groove is fixedly provided with a linear slide rail mounting plate, the linear slide rail mounting plate is provided with a linear slide rail, and a linear slide rail is installed on the linear slide rail Lifting plate, a lifting motor is installed on the mounting plate of the lifting component, the output end of the lifting motor is connected to the lifting plate and can push the lifting plate to slide up and down on the lifting slide rail, the lifting plate A vacuum suction cup is installed on the upper part, a compression spring is arranged between the vacuum suction cup and the lifting plate, and guide posts are arranged on both sides of the vacuum suction cup.

As a further improvement of the above technical solution, four sets of clamps are installed on the turntable assembly, wherein the first set of clamps is used to cooperate with loading and unloading, the second set of clamps is used to cooperate with the upper protective cover and scanning components, and the third set of clamps It is used to cooperate with the positioning fixture assembly and the laser welding assembly. The fourth set of fixtures is used to cooperate with the lower protective cover and the appearance inspection assembly. The bottom of the second, third and fourth sets of fixtures are all provided with In the jacking assembly mentioned above, a motor for driving the turntable assembly to rotate is arranged below the turntable assembly.

As a further improvement of the above technical solution, a protective cover return assembly is also included, the protective cover return assembly includes a protective cover conveyor belt and a motor driving the conveyor belt of the conveyed belt, and the protective cover is transported from the conveyor belt to the upper protective cover and the scanning assembly In the process, after the turntable assembly is rotated, the protective cover is transported from the lower protective cover and the appearance inspection assembly back to the protective cover return line assembly for reuse.

The beneficial effects of the present invention are: the present invention provides a battery laser welding equipment, the laser welding equipment is provided with a positioning jig assembly, the first slide rail device provided in the positioning jig assembly can be positioned on the second slide When the rail device pushes the second slider device to position the end of the product, the first slide rail device and the positioned product move in the same direction and at the same speed, which avoids mutual friction between the positioned product and the side push plate, and avoids product It is also eliminated the risk of low precision caused by friction between products. The entire positioning fixture module helps to improve product quality on the one hand, and improves positioning accuracy on the other hand. The whole equipment can effectively improve the product qualification rate during the production process, and the economic benefits of the product are good. This kind of battery laser welding equipment solves the technical defects in existing equipment such as poor positioning accuracy, easy product damage, and high product defect rate.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is a schematic diagram of assembly of the present invention;

Fig. 2 is the assembly schematic diagram of another angle of the present invention;

Fig. 3 is a schematic structural view of a positioning jig assembly in the present invention;

Fig. 4 is a structural schematic diagram of another angle of the positioning jig assembly in the present invention;

Fig. 5 is a schematic structural view of the third angle of the positioning jig assembly in the present invention;

Fig. 6 is a schematic structural view of the upper protective cover and the scanning assembly in the present invention;

Fig. 7 is a schematic structural view of a laser welding assembly in the present invention;

Fig. 8 is a schematic structural view of the jacking assembly in the present invention;

Fig. 9 is a structural schematic diagram of another angle of the jacking assembly in the present invention;

Fig. 10 is a schematic structural view of the turntable assembly in the present invention;

Fig. 11 is a structural schematic diagram of the protective cover backflow assembly in the present invention

Fig. 12 is a structural schematic diagram of another angle of the protective cover return assembly in the present invention;

Fig. 13 is a schematic structural view of the middle and lower protective cover and the appearance detection component of the present invention.

detailed description

The idea, specific structure and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and accompanying drawings, so as to fully understand the purpose, features and effects of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative efforts belong to The protection scope of the present invention. In addition, all the connection/connection relationships involved in the patent do not simply refer to the direct connection of components, but mean that a better connection structure can be formed by adding or reducing connection accessories according to specific implementation conditions. Each technical feature in the present invention can be combined interactively on the premise of not conflicting with each other, refer to Fig. 1-12.

Specifically referring to Fig. 1 and Fig. 2, a battery laser welding equipment includes a defective product conveying mechanism 1, a handling manipulator mechanism 2, and a welding mechanism. The welding mechanism includes a turntable assembly 3 provided with a clamp 31, a protective cover reflow assembly 4, Upper protective cover and scanning component 5, jacking component 6, positioning jig component 7, laser welding component 8, lower protective cover and appearance inspection component 9.

Referring to Fig. 3, Fig. 4 and Fig. 5, preferably, the positioning jig assembly 7 includes a jig base plate 71, and the jig base plate 71 is equipped with a short side reference plate 72 for positioning the short side of the product, and the jig base plate 71 is equipped with a first slide rail device 73 and a second slide rail device 74, and the first slide rail device 73 and the second slide rail device 74 are respectively equipped with The first carrier plate 75 and the second carrier plate 76 transferred on the device 74, the first carrier plate 75 is equipped with a third slide rail device 77, a first clamping and positioning device 78 and a long side for positioning products A single-side reference plate 79, the third slide rail device 77 is equipped with a third carrier plate 710 and the third carrier plate 710 is equipped with a long-side single-side clamping plate 711 matching the long-side single-side reference plate 79 , the output end of the first clamping and positioning device 78 is connected to the long-side single-side clamping plate 711 and can clamp and position the long-side single-side clamping plate 711 to clamp the positioned product and press it to the long-side single-side reference plate 79, the fixture bottom plate 71 is equipped with a second clamping and positioning device 712, the output end of the second clamping and positioning device 712 is connected to the above-mentioned second carrier plate 76 and can clamp and position the second carrier plate 76 is pressed against the product to be positioned and cooperates with the above-mentioned short-side single-side reference plate 72 to realize positioning in the short-side direction.

Preferably, both the jig bottom plate 71 and the first carrier plate 75 are equipped with a product channel 713 that is positionally matched and used for positioning products to pass through, and the jig bottom plate 71 is equipped with an elastic baffle 714, the elastic The baffle plate 714 is equipped with a connecting guide rod 715 and an adjusting screw 719 connected to the first carrier plate 75, and a compression spring 716 is arranged between the head of the connecting guide rod 715 and the elastic baffle plate 714. Both the first clamping and positioning device 78 and the second clamping and positioning device 712 are clamping and positioning cylinders.

Preferably, the first clamping positioning device 78 and the second clamping positioning device 712 are respectively assembled on the first carrier plate 75 and the jig bottom plate 71 through the first cylinder fixing plate 717 and the second cylinder fixing plate 718, The short-side one-side reference plate 72 and the long-side one-side reference plate 79 are positioning members whose positioning surfaces are perpendicular to each other.

In application, the output end of the first clamping positioning device 78 is pressed to the long-side one-side clamping plate 711, and the long-side one-side clamping plate 711 moves and presses in the loading direction of the third slide rail device 77. For the product to be positioned, the product to be positioned at this time realizes the positioning in the long side direction through the long-side single-side clamping plate 711 and the long-side single-side reference plate 79 .

After the long-side direction of the product is positioned, the output end of the above-mentioned second clamping and positioning device 712 is pressed to the second carrier plate 76, transferred on the second slide rail device 74 and pressed to one side of the short side of the positioned product The reference plate, at this time, the long-side positioning assembly of the product to be positioned is pressed against the short-side single-side reference plate 72 to achieve positioning in the direction of both sides of the short side. When the product is positioned in the top direction, when the product moves to the short-side one-side reference plate 72, the first carrier plate 75 will move at the same speed as the product on the first slide rail device 73, thereby making the long-side one-side clamp The mutual sliding between the plate 711 and the product to be positioned avoids damage to the product, and at the same time enables higher positioning accuracy, which is suitable for large-scale application in industrial processing occasions requiring high precision.

Referring to FIG. 6 , preferably, the upper protective cover and the scanning assembly 5 include a transfer mechanism 51 and a suction cup mounting plate 52 arranged on the transfer mechanism 51, and a vacuum suction cup 53 and a vacuum suction cup 53 are arranged on the suction cup mounting plate 52. scanning gun 54,

Referring to Fig. 7, preferably, the laser welding assembly 8 is installed above the above-mentioned positioning jig assembly 7, which includes a laser welding motion platform 80 and a laser welding head 81 arranged on the laser welding motion platform 80, the The laser welding head 81 is used for welding the positioned battery product in the positioning jig assembly 7 .

Preferably, the laser welding motion platform 80 includes a welding first linear motion device 82 , a welding first carrier plate 83 arranged on the welding first linear motion device 82 , a welding first carrier plate 83 arranged on the welding first carrier plate 83 The welding second linear motion device 84 on the welding second linear motion device 84, the welding second carrier plate 85 installed on the welding second linear motion device 84, the third adjustment device 86 and the installation on the side of the welding second carrier plate 85 The welding head mounting plate 87 on the third adjustment device 86 , the laser welding head 81 is installed on the welding head mounting plate 87 .

Referring to Fig. 8 and Fig. 9, preferably, the jacking assembly 6 is installed under the positioning jig assembly 7, the upper protective cover and the scanning assembly 5 and the lower protective cover and the appearance inspection assembly 9, and the jacking assembly 6 includes The jacking component mounting plate 61, the side wall is fixedly provided with a linear slide rail mounting plate 62, the linear slide rail mounting plate 62 is provided with a linear slide rail 63, and the linear slide rail 63 is provided with a jacking plate 64, a drive motor 65 is installed on the linear slide rail mounting plate 62, the output end of the drive motor 65 is connected to the lifting plate 64 and can push the lifting plate 64 to slide up and down on the linear slide rail 63, the top A vacuum suction cup 66 is installed on the upper part of the lifting plate 64 , a compression spring 67 is arranged between the vacuum suction cup 66 and the lifting plate 64 , and guide columns 68 are arranged on both sides of the vacuum suction cup 66 .

Referring to FIG. 10 , preferably, four sets of clamps 31 are installed on the turntable assembly 3 , wherein the first set of clamps 31 is used to cooperate with product loading and unloading, and the second set of clamps 31 is used to cooperate with the upper protective cover and the scanning assembly 5 , the third set of fixtures 31 is used to cooperate with the positioning fixture assembly 7 and the laser welding assembly 8, the fourth set of fixtures 31 is used to cooperate with the lower protective cover and the appearance inspection assembly 9, the second set of fixtures 31, the third set of The above-mentioned jacking assembly 6 is arranged under the gripper 31 and the fourth set of grippers 31 , and a motor 32 for driving the turntable assembly 3 is arranged under the turntable assembly 3 .

Referring to Fig. 11 and Fig. 12, preferably, a protective cover return line assembly 4 is also included, and the protective cover return assembly 4 includes a protective cover conveyor belt 41 and a conveyor belt motor 42 for driving the protective cover conveyor belt 41, the protective cover From the conveyor belt 41 to the upper protective cover and scanning assembly 5, after the turntable assembly 3 rotates, the protective cover is transported back to the protective cover conveyor belt 41 from the lower protective cover and appearance inspection assembly 9 to be reused.

Referring to Fig. 13, preferably, the lower protective cover and appearance detection assembly 9 includes a lower protective cover transfer mechanism 511 and a suction cup mounting plate 522 arranged on the lower protective cover transfer mechanism 511, and the suction cup mounting plate is provided There is a vacuum chuck 533 and a CCD camera 544 for appearance detection.

When this kind of equipment is working, the battery product is delivered from the upper computer logistics line, and the transport manipulator mechanism 2 will transport the semi-finished battery product from the upper computer logistics line to the clamp 31 in the turntable assembly 3, and the turntable in the turntable assembly 3 rotates One station, the clamp 31 with the battery product is transferred to the upper protective cover and the scanning assembly 5, and the jacking assembly 6 lifts the product from the clamp 31 in the turntable assembly 3 to the secondary position of the upper protective cover and the scanning assembly 5. In the positioning component, the scanning gun scans the QR code on the upper part of the battery product, and uploads the battery product information to the EMS system, and then draws the protective cover from the protective cover return component 4 to cover the top of the battery product; jacking component 6 Resetting the battery product to the clamp 31 in the turntable assembly 3;

After the above process is completed, the jig 31 brings the battery product under the positioning jig assembly 7, at this time, the jacking assembly 6 lifts the battery product from the jig 31 in the turntable assembly 3 to the positioning jig In the assembly 7, the positioning fixture assembly 7 is used for precise positioning. After the positioning is completed, the laser welding assembly 8 performs laser welding on the battery product. After the battery product is laser welded, the jacking assembly 6 resets the battery product to the turntable assembly 3 In the clamp 31, the turntable in the turntable assembly 3 rotates a station;

The battery product that has been welded is transferred to the bottom of the lower protective cover and the appearance inspection component 9, and the lifting component 6 lifts the product from the clamp 31 in the turntable assembly 3 to the secondary positioning of the lower protective cover and the appearance inspection component 9, The lower protective cover and appearance inspection component 9 will absorb the protective cover from the upper part of the battery product and move the protective cover to the protective cover reflow assembly 4 for reuse. At the same time, the CCD camera will detect the welding appearance of the top of the battery product and upload the battery product appearance inspection information to EMS system.

After the above process is completed, the battery product that has been welded is transferred back to the clamp 31 for loading and unloading. At this time, the handling manipulator mechanism 2 transports the battery product that has been welded to the logistics line of the host computer. First put the defective product on the defective product conveying line 1, and then put it on the upper computer logistics line to complete the welding station. If both are defective products at this time, the handling manipulator will go directly to the upper computer logistics line to grab the unwelded semi-finished product battery products; then start a welding cycle action.

The above is a specific description of the preferred implementation of the present invention, but the invention is not limited to the described embodiments, those skilled in the art can also make various equivalent deformations or replacements without violating the spirit of the present invention , these equivalent modifications or replacements are all within the scope defined by the claims of the present application.

Claims (10)

1. A battery laser welding device, characterized in that it includes a defective product conveying mechanism (1), a handling manipulator mechanism (2) and a welding mechanism, and the welding mechanism includes a turntable assembly (3) provided with a clamp (31), Upper protective cover and scanning assembly (5), jacking assembly (6), positioning jig assembly (7), laser welding assembly (8), lower protective cover and appearance inspection assembly (9). 2. A battery laser welding device according to claim 1, characterized in that: the positioning jig assembly (7) includes a jig bottom plate (71), and the jig bottom plate (71) is equipped with a Locate the one-side reference plate (72) on the short side of the product, and the jig bottom plate (71) is equipped with a first slide rail device (73) and a second slide rail device (74). The first slide rail device (73), The second slide rail device (74) is respectively equipped with a first carrier (75) and a second carrier (76) that can be transferred on the first slide rail device (73) and the second slide rail device (74). , the first carrier plate (75) is equipped with a third slide rail device (77), a first clamping and positioning device (78) and a long-side single-side reference plate (79) for positioning products, the first The three-slide rail device (77) is equipped with a third carrier plate (710), and the third carrier plate (710) is equipped with a long-side single-side clamping plate (711) that matches the long-side single-side reference plate (79). ), the output end of the first clamping and positioning device (78) is connected to the long-side single-side clamping plate (711) and can clamp and position the long-side single-side clamping plate (711) to clamp the positioned product and Press against the long-side single-side reference plate (79), the jig bottom plate (71) is equipped with a second clamping and positioning device (712), and the output end of the second clamping and positioning device (712) is connected to the above-mentioned The second carrier plate (76) can be clamped and positioned. The second carrier plate (76) is pressed against the product to be positioned and cooperates with the above-mentioned short-side single-side reference plate (72) to realize positioning in the short-side direction. 3. A battery laser welding device according to claim 2, characterized in that: the jig bottom plate (71) and the first carrier plate (75) are equipped with products that match in position and are used to position products to pass through through slot (713), the jig bottom plate (71) is equipped with an elastic baffle (714), and the elastic baffle (714) is equipped with a connecting guide connected to the first carrier plate (75). Rod (715) and adjusting screw (719), a compression spring (716) is provided between the head of the connecting guide rod (715) and the elastic baffle (714), the first clamping positioning device (78) and The second clamping and positioning devices (712) are all clamping and positioning cylinders. 4. A battery laser welding device according to claim 3, characterized in that: the first clamping and positioning device (78) and the second clamping and positioning device (712) pass through the first cylinder fixing plate (717) respectively ), the second cylinder fixing plate (718) are respectively assembled on the first carrier plate (75) and the jig bottom plate (71), the short-side one-side reference plate (72) and the long-side one-side reference plate (79) It is a positioning member whose positioning surfaces are perpendicular to each other. 5. A battery laser welding device according to claim 1, characterized in that: the upper protective cover and the scanning assembly (5) include an upper protective cover transfer mechanism (51) and a transfer mechanism arranged on the upper protective cover The suction cup mounting plate (52) on the loading mechanism (51), the suction cup mounting plate (52) is provided with the upper protective cover suction cup (53) and the upper protective cover scanning gun (54), the lower protective cover and appearance inspection The assembly (9) includes a lower protective cover transfer mechanism (511) and a detection mounting plate (522) arranged on the lower protective cover mechanism (511), and the detection mounting plate (522) is provided with a lower protective cover suction cup ( 53) and CCD appearance detection (544). 6. A battery laser welding device according to claim 1, characterized in that: the laser welding assembly (8) is installed above the positioning fixture assembly (7), which includes a laser welding motion platform (80) And a laser welding head (81) arranged on the laser welding moving platform (80), the laser welding head (81) is used for welding the battery product positioned in the positioning jig assembly (7). 7. The battery laser welding equipment according to claim 6, characterized in that: the laser welding motion platform (80) includes a welding first linear motion device (82), which is set on the welding first straight line The welding first carrier plate (83) of the movement device (82), the welding second linear motion device (84) arranged on the welding first carrier plate (83), the welding second linear motion device (84) installed on the welding second linear motion device ( 84), the welding second carrier plate (85), the third adjusting device (86) arranged on the side of the welding second carrier plate (85), and the welding installed on the third adjusting device (86) A head mounting plate (87), the laser welding head (81) is installed on the welding head mounting plate (87). 8. A battery laser welding equipment according to claim 1, characterized in that: the jacking assembly (6) is installed on the positioning jig assembly (7), the upper protective cover and the scanning assembly (5) And under the lower protective cover and the appearance inspection component (9), the jacking component (6) includes a jacking component mounting plate (61), and a through slot is arranged on the jacking component mounting plate (61), and the through slot The side wall is fixed with a jacking rail mounting plate (62), the jacking rail mounting plate (62) is provided with a jacking slide rail (63), and the jacking slide rail (63) is mounted with a jacking plate (64), the jacking drive motor (65) is installed on the jacking assembly mounting plate (61), the output end of the jacking drive motor (65) is connected to the jacking plate (64) and can push the jacking The lifting plate (64) lifts up and down on the lifting slide rail (63), the upper part of the lifting plate (64) is equipped with a vacuum suction cup (66), and the vacuum suction cup (66) and the lifting plate (64) Compression springs (67) are arranged between them, and guide columns (68) are arranged on both sides of the vacuum chuck (66). 9. A battery laser welding device according to claim 1, characterized in that four sets of clamps (31) are installed on the turntable assembly (3), and the first set of clamps (31) is used for loading and unloading , the second set of fixtures (31) is used to match the upper protective cover and the scanning component (5), the third set of fixtures (31) is used to match the positioning fixture component (7) and the laser welding component (8), the fourth set The set of clamps (31) is used to cooperate with the lower protective cover and the appearance inspection component (9), and the second set of clamps (31), the third set of clamps (31) and the bottom of the fourth set of clamps (31) are all set There is the above-mentioned jacking assembly (6), and a motor (32) for driving the rotation of the turntable assembly (3) is arranged under the turntable assembly (3). 10. The battery laser welding equipment according to claim 1, characterized in that it further comprises a protective cover reflow assembly (4), and the protective cover reflow assembly (4) includes a protective cover conveyor belt (41) and a drive unit The motor (42) of the conveyor belt of the protective cover conveyor belt (41), the protective cover is transported from the protective cover conveyor belt (41) to the upper protective cover and scanning assembly (5), after the turntable assembly (3) rotates, the protective cover The cover is carried back to the protective cover conveyor belt (41) from the lower protective cover and appearance inspection assembly (9) to be reused.