CN113458597A

CN113458597A - A lithium cell laser welding equipment for new energy automobile

Info

Publication number: CN113458597A
Application number: CN202110726439.2A
Authority: CN
Inventors: 汤苏飞
Original assignee: Guangdong Yueke Yunchuang Information Technology Co ltd
Current assignee: Guangdong Hall Laser Technology Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-10-01
Anticipated expiration: 2041-06-29
Also published as: CN113458597B

Abstract

The invention discloses lithium battery laser welding equipment for a new energy automobile, which comprises a welding pool, a top plate fixedly welded at the top of an inner cavity of the welding pool and a laser welding head arranged in the inner cavity of the welding pool, wherein an article placing turntable used for supporting a welded article is arranged in the inner cavity of the welding pool, a smoke extraction pipeline used for absorbing smoke is arranged on the top plate, a negative pressure exhaust fan which is formed in the inner cavity of the welding pool is installed in the smoke extraction pipeline, an extension pipe is fixedly connected to the bottom of the smoke extraction pipeline, a motor is fixedly welded on the outer side surface of the welding pool, a first driving piece driven by the motor is arranged in the welding pool, and a second driving piece which drives the extension pipe and the smoke extraction pipeline to move is further arranged above the first driving piece. This a lithium cell laser welding equipment for new energy automobile makes laser welder head can treat the great quilt welding piece of weld area and weld for laser welder head is applicable to the welding of more not unidimensional work pieces.

Description

A lithium cell laser welding equipment for new energy automobile

Technical Field

The invention belongs to the technical field of new energy automobiles, and particularly relates to lithium battery laser welding equipment for a new energy automobile.

Background

The new energy automobile refers to an automobile which adopts unconventional automobile fuel as a power source. With the advance of the whole industry to the environmental protection industry, new energy automobiles are rapidly developing to gradually replace automobiles which use fuel oil as power and have great environmental pollution in the traditional technology.

The lithium battery is one of the most important and technical components in the new energy automobile, and the production and manufacturing process of the lithium battery of the new energy automobile are gradually developed. A lithium cell laser welding equipment for new energy automobile that discloses application number CN202011538374.0 among the prior art belongs to the welding technology field, and the clamp plate of having solved current device can not adjust the inclination of lithium cell, has increased the problem of the lithium cell welding degree of difficulty. However, when the area of the welded part to be welded is large and the laser welding head cannot cover, the laser welding equipment cannot be used, so that the application range of the equipment is small, and meanwhile, smoke is generated during laser welding, and often accumulates in a welding pool to pollute the surrounding environment.

Disclosure of Invention

The invention aims to provide a lithium battery laser welding device for a new energy automobile, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a lithium cell laser welding equipment for new energy automobile, includes welding pond, fixed welding in the overhead plate at welding pond inner chamber top and establish the laser welder head in the welding pond inner chamber, be equipped with in the welding pond inner chamber and be used for supporting by the thing carousel of putting of welding, be equipped with the smoke extraction pipeline that is used for absorbing smog on the overhead plate, install in the smoke extraction pipeline and form the negative pressure exhaust fan to the welding pond inner chamber, just smoke extraction pipeline bottom fixedly connected with extension pipe, welding pond lateral surface fixed welding has the motor, and is equipped with in the welding pond by motor drive's first driving piece, and first driving piece top still is equipped with the second driving piece that drives extension pipe and smoke extraction pipeline and remove.

Preferably, a main bevel gear which runs vertically is arranged in the inner cavity of the welding pool, an output shaft of the motor penetrates through the welding pool and is coaxially welded and fixed with the main bevel gear, a first driven bevel gear and a second driven bevel gear are respectively installed at the upper end and the lower end of the main bevel gear in a meshed mode, and the first driving piece is composed of the first driven bevel gear, a first chain wheel and a second chain wheel which are arranged in the inner cavity of the welding pool in an equal height mode, and a chain which is connected with the first chain wheel and the second chain wheel in a meshed mode.

Preferably, a bottom object placing seat is fixedly welded to the bottom surface of the inner cavity of the welding pool, and a supporting shaft which is rotatably connected with the welding pool and welded to the bottom surface of the object placing rotary table is arranged in the inner cavity of the bottom object placing seat.

Preferably, the first secondary bevel gear is coaxially welded with an inner support shaft which coaxially penetrates through the first chain wheel and is integrally welded with the first secondary bevel gear, the bottom end of the inner support shaft is rotatably connected with the welding pool, and the second chain wheel is coaxially sleeved on the support shaft.

Preferably, the top plate is provided with a sliding groove penetrating through the top surface and the bottom surface of the top plate, the second bevel gear is coaxially welded with a group of vertical shafts, the vertical shafts are coaxially connected with a group of worms with one ends extending into the sliding groove, the sliding groove is horizontally provided with a screw rod rotatably connected with the top plate, the screw rod is coaxially welded with a group of worm gears meshed with the worms, and the second driving piece is composed of the worms, the worm gears, the screw rod and an inner sliding seat sliding along with the rotation of the screw rod.

Preferably, an inner sliding seat is arranged in the sliding groove in a sliding mode, the smoke pumping pipeline is installed inside the inner sliding seat in an embedded mode, a chassis base rotating along the vertical axis of the inner sliding seat is connected to the bottom surface of the inner sliding seat, and the extension pipe penetrates through the chassis base and is communicated with the smoke pumping pipeline.

Preferably, the two ends of the inner sliding seat are symmetrically connected with side blocks, one ends of the two groups of side blocks are embedded into the top plate, the screw threads penetrate through one group of side blocks, a limiting slide bar which penetrates through the other group of side blocks in a sliding groove in a sliding mode is arranged in the sliding groove, and the two ends of the limiting slide bar are welded with the top plate.

Preferably, an annular female toothed belt is fixedly installed on the outer wall of the chassis base, two groups of sub toothed belts are symmetrically installed on two sides of the inner cavity of the sliding groove, and the annular female toothed belt is meshed with the two groups of sub toothed belts simultaneously.

The invention has the technical effects and advantages that: according to the lithium battery laser welding equipment for the new energy automobile, the driving motor works to drive the main bevel gear and the first slave bevel gear to rotate, the first inner support shaft and the first chain wheel are driven to rotate, the second chain wheel drives the support shaft and the object placing rotary table to rotate under the action of the chain, the position of a welded part in the inner cavity of the welding pool is adjusted, the laser welding head can weld the welded part with a large area to be welded, the laser welding head is suitable for welding more workpieces with different sizes, and the application range of the equipment is enlarged;

the second slave bevel gear is also driven to rotate while the main bevel gear rotates, so that the worm and the worm gear which are coaxially connected with the second slave bevel gear rotate in a matched mode, the worm gear can drive the screw rod which is coaxial with the worm gear to rotate, the smoke extraction pipeline is further driven to move to a position closer to a welded part, the smoke extraction pipeline drives the chassis base below the smoke extraction pipeline to slide along the smoke extraction pipeline while moving, the annular master toothed belt rotates along the two sets of sub toothed belts, the chassis base and the extension pipe are driven to rotate, the pipe orifice below the extension pipe faces the welded part all the time, faster and effective smoke extraction is carried out, and accumulation of smoke in an inner cavity of a welding pool is reduced;

two kinds of above improvements all realize based on a set of motor work, and need not set up two sets of power supplies, have consequently practiced thrift the energy, and two kinds of improvements realize simultaneously, supplement each other for put the thing carousel no matter remove to any position, the mouth of pipe of extension pipe is all the time oriented and is close to laser welder head work department, is convenient for absorb the smog of production fast high-efficiently.

Drawings

FIG. 1 is a vertical cross-sectional view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 in accordance with the present invention;

fig. 3 is a vertical cross-section of one side of the overhead plate of the present invention;

FIG. 4 is a partial cross-sectional view of the top deck of the present invention;

FIG. 5 is a schematic structural view of the bottom object seat of the present invention;

fig. 6 is a schematic structural view of the chassis base and the extension pipe of the present invention.

In the figure: 1. a welding pool; 2. a top plate; 3. a storage turntable; 4. a laser welding head; 5. a bottom object placing seat; 6. an annular groove; 7. a ball bearing; 8. a support shaft; 9. an electric motor; 10. a main bevel gear; 11. a first slave bevel gear; 12. an inner fulcrum; 13. a first sprocket; 14. a second sprocket; 15. a chain; 16. a second slave bevel gear; 17. a worm; 18. a worm gear; 19. a screw; 20. a sliding groove; 21. an inner slide; 22. a chassis base; 23. an extension tube; 24. a smoke extraction pipeline; 25. a side block; 26. limiting a sliding rod; 27. an annular female toothed belt; 28. a sub-toothed belt; 29. an inward extending groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Please refer to fig. 1-4, which illustrate a lithium battery laser welding apparatus for a new energy vehicle, comprising a welding pool 1, a top plate 2 fixedly welded on the top of the inner cavity of the welding pool 1, and a laser welding head 4 disposed in the inner cavity of the welding pool 1, wherein the laser welding head 4 is installed in a manner and works in the prior art, the welding pool 1 is provided with a rotary tray 3 for supporting the welded component, the top plate 2 is provided with a smoke exhaust pipe 24 for absorbing the smoke generated during laser welding, the smoke exhaust pipe 24 is internally provided with a negative pressure exhaust fan for forming a negative pressure to the inner cavity of the welding pool 1, the exhaust fan is powered by an external power supply, the bottom of the smoke exhaust pipe 24 is fixedly connected with an extension pipe 23 (as shown in fig. 6) for forming an air duct and delivering the smoke, and the bottom end of the laser welding head 4 is fixed on the edge of the top surface of the rotary tray 3, the outer side surface of the welding pool 1 is fixedly welded with a motor 9, a first driving piece which is driven by the motor 9 and adjusts the position of the object placing turntable 3 is arranged in the inner cavity of the welding pool 1, and a second driving piece which is used for driving the extension pipe 23 and the smoke pumping pipeline 24 to move is also arranged above the first driving piece.

As shown in fig. 1, in order to adjust the position of the placing rotary table 3, a main bevel gear 10 which runs vertically is arranged in the inner cavity of the welding pool 1, an output shaft of a motor 9 passes through the welding pool 1 and is coaxially welded and fixed with the main bevel gear 10, a first driven bevel gear 11 and a second driven bevel gear 16 are respectively installed at the upper end and the lower end of the main bevel gear 10 in a meshed mode, and a first driving piece is composed of the first driven bevel gear 11, a first chain wheel 13 and a second chain wheel 14 which are arranged at the same height in the inner cavity of the welding pool 1, and a chain 15 which is meshed with the first chain wheel 13 and the second chain wheel 14.

As shown in fig. 1, in order to stably support the object placing turntable 3, a bottom object placing seat 5 is fixedly welded on the bottom surface of the inner cavity of the welding pool 1, a supporting shaft 8 which is rotatably connected with the welding pool 1 and welded on the bottom surface of the object placing turntable 3 is arranged in the inner cavity of the bottom object placing seat 5, it is noted that two sets of annular grooves 6 which are matched with each other are arranged on the top surface of the bottom object placing seat 5 and the bottom surface of the object placing turntable 3, a plurality of sets of balls 7 which can roll and play a role of stabilizing and supporting the object placing turntable 3 are arranged in the two sets of annular grooves 6, an inner supporting shaft 12 which coaxially penetrates through a first chain wheel 13 and is welded with the first auxiliary bevel gear 11 is coaxially welded on the first auxiliary bevel gear 11, the bottom end of the inner supporting shaft 12 is rotatably connected with the welding pool 1, a second chain wheel 14 is coaxially sleeved on the supporting shaft 8, as shown in fig. 5, and an inner extending groove 29 which is arranged in the bottom object placing seat 5 and used for accommodating the operation of the chain 15.

As shown in fig. 1 and 2, in order to make the motor 9 work to drive the inner slide 21 to slide, a sliding groove 20 penetrating through the top surface and the bottom surface is opened on the top plate 2, a group of vertical shafts are coaxially welded on the second bevel gear 16, a group of worms 17 with one ends extending into the sliding groove 20 and rotatably arranged with the top plate 2 are coaxially connected on the vertical shafts, a screw rod 19 rotatably connected with the top plate 2 is horizontally arranged in the sliding groove 20, a group of worm wheels 18 meshed with one ends of the worms 17 in the sliding groove 20 are coaxially welded on the screw rod 19, and the second driving piece is composed of the worm 17, the worm wheels 18, the screw rod 19 and the inner slide 21 sliding along with the operation of the screw rod 19.

As shown in fig. 3 and 4, a slidable inner slide base 21 is disposed in the sliding groove 20, a smoke exhaust pipe 24 is embedded in the inner slide base 21, a chassis base 22 rotating along a vertical axis line is connected to a bottom surface of the inner slide base 21, an extension pipe 23 passes through the inside of the chassis base 22 and communicates with the smoke exhaust pipe 24 disposed in the inner slide base 21, one end of the extension pipe 23 away from the smoke exhaust pipe 24 is horizontally disposed and provided with a set of openings, two ends of the inner slide base 21 are symmetrically connected with side blocks 25, one ends of the two sets of side blocks 25 are embedded in the top plate 2, so that the inner slide base 21 and the two sets of side blocks 25 are structurally stable and can slide, a screw 19 penetrates through one set of side blocks 25, a limiting slide bar 26 sliding through the other set of side blocks 25 is disposed in the sliding groove 20, and two ends of the limiting slide bar 26 are welded to the top plate 2.

As shown in fig. 1 and 3, in order to make the pipe orifice of the extension pipe 23 rotate to a proper direction along with the rotation of the article placing turntable 3, an annular female toothed belt 27 is fixedly installed on the outer wall of the chassis base 22, sub toothed belts 28 located below the two sets of side blocks 25 are symmetrically installed on both sides of the inner cavity of the sliding groove 20, the annular female toothed belt 27 is meshed with the two sets of sub toothed belts 28, when the inner slide base 21 slides along with the rotation of the screw rod 19, the annular female toothed belt 27 rotates along with the two sets of sub toothed belts 28, and further the chassis base 22 and the extension pipe 23 are driven to rotate, so that the opening direction of the extension pipe 23 is adjusted.

According to the working principle, the opening for placing the welded part in the inner cavity of the welding pool 1 is formed in the side wall of the welding pool, when the lithium battery laser welding equipment is used, the welded part is placed at a proper position on the placing turntable 3, the laser welding head 4 is driven to work on the welded part for laser welding (when welding is carried out, the exhaust fan in the smoke exhaust pipeline 24 works all the time, and smoke generated during laser welding is exhausted by using the chassis base 23);

if the range to be welded on the workpiece is too large, so that the working range of the laser welding head 4 cannot be completely covered, the driving motor 9 can be driven to work to drive the main bevel gear 10, the first slave bevel gear 11 and the second slave bevel gear 16 to run, so that the inner fulcrum 12 drives the first chain wheel 13 to run, the second chain wheel 14 drives the support shaft 8 and the object placing rotary disc 3 to run under the action of the chain 15, the orientation of the object placing rotary disc 3 is adjusted, and meanwhile, the second slave bevel gear 16 runs to drive the worm 17 to run, so that the worm wheel 18 and the screw rod 19 run along with the worm wheel, and the inner sliding base 21 and the two sets of side blocks 25 are driven to slide in the sliding groove 20 (along the limiting sliding rod 26);

when the inner sliding seat 21 slides, the chassis base 22 slides along with the inner sliding seat and drives the annular female toothed belt 27 to rotate along the two sets of the sub toothed belts 28, so that the chassis base 22 drives the extension pipe 23 to rotate along with the inner sliding seat, the direction of the pipe orifice of the extension pipe 23 is changed, the pipe orifice of the extension pipe 23 also moves to the direction after the object placing rotary disc 3 moves to the direction, the exhaust fan in the smoke exhaust pipeline 24 works, and smoke can be absorbed by the extension pipe 23 well all the time.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the inventive concept of the present invention should be covered by the scope of the present invention.

Claims

1. A lithium battery laser welding device for a new energy automobile comprises a welding pool (1), a top plate (2) fixedly welded at the top of an inner cavity of the welding pool (1) and a laser welding head (4) arranged in the inner cavity of the welding pool (1),

the method is characterized in that: be equipped with in welding pool (1) inner chamber and be used for supporting put thing carousel (3) by the welding piece, be equipped with smoke extraction pipe way (24) that are used for absorbing smog on top board (2), install in smoke extraction pipe way (24) and form the negative pressure exhaust fan to welding pool (1) inner chamber, just smoke extraction pipe way (24) bottom fixedly connected with extension pipe (23), welding pool (1) lateral surface fixed welding has motor (9), and is equipped with in welding pool (1) by motor (9) driven first driving piece, and first driving piece top still is equipped with the second driving piece that drives extension pipe (23) and smoke extraction pipe way (24) and remove.

2. The lithium battery laser welding device for the new energy automobile according to claim 1, characterized in that: the welding pool is characterized in that a vertically running main bevel gear (10) is arranged in an inner cavity of the welding pool (1), an output shaft of the motor (9) penetrates through the welding pool (1) and is coaxially welded and fixed with the main bevel gear (10), the upper end and the lower end of the main bevel gear (10) are respectively provided with a first driven bevel gear (11) and a second driven bevel gear (16) in a meshed mode, and the first driving piece is composed of the first driven bevel gear (11), a first chain wheel (13) and a second chain wheel (14) which are arranged in the inner cavity of the welding pool (1) at equal heights and a chain (15) which is connected with the first chain wheel (13) and the second chain wheel (14) in a meshed mode.

3. The lithium battery laser welding device for the new energy automobile according to claim 2, characterized in that: the bottom of the inner cavity of the welding pool (1) is fixedly welded with a bottom object placing seat (5), and a supporting shaft (8) which is rotatably connected with the welding pool (1) and welded on the bottom surface of the object placing rotary table (3) is arranged in the inner cavity of the bottom object placing seat (5).

4. The lithium battery laser welding device for the new energy automobile according to claim 3, characterized in that: the first driven bevel gear (11) is coaxially welded with an inner support shaft (12) which coaxially penetrates through the first chain wheel (13) and is integrally welded with the first driven bevel gear, the bottom end of the inner support shaft (12) is rotatably connected with the welding pool (1), and the second chain wheel (14) is coaxially sleeved on the support shaft (8).

5. The lithium battery laser welding device for the new energy automobile according to any one of claim 2, characterized in that: the top board (2) is provided with a sliding groove (20) penetrating through the top surface and the bottom surface of the top board, the second bevel gear (16) is coaxially welded with a group of vertical shafts, the vertical shafts are coaxially connected with a group of worms (17) with one ends extending into the sliding groove (20), the sliding groove (20) is internally and horizontally provided with a screw (19) rotatably connected with the top board (2), the screw (19) is coaxially welded with a group of worm wheels (18) meshed with the worms (17), and the second driving piece is composed of the worms (17), the worm wheels (18), the screw (19) and an inner sliding seat (21) sliding along with the rotation of the screw (19).

6. The lithium battery laser welding device for the new energy automobile according to claim 5, characterized in that: an inner sliding seat (21) is arranged in the sliding groove (20) in a sliding mode, the smoke pumping pipeline (24) is installed in the inner sliding seat (21) in an embedded mode, the bottom surface of the inner sliding seat (21) is connected with a chassis base (22) rotating along the vertical axis of the inner sliding seat, and the extension pipe (23) penetrates through the chassis base (22) and is communicated with the smoke pumping pipeline (24).

7. The lithium battery laser welding apparatus for the new energy automobile as claimed in any one of claims 5 to 6, wherein: the both ends symmetric connection of interior slide (21) has side piece (25), and two sets of the one end of side piece (25) all imbeds in overhead plate (2), screw rod (19) screw thread passes one of them side piece (25), be equipped with in sliding tray (20) and slide and pass injecing slide bar (26) of another group side piece (25), injecing slide bar (26) both ends all with overhead plate (2) welding.

8. The lithium battery laser welding device for the new energy automobile according to claim 6, characterized in that: the chassis base (22) outer wall fixed mounting has annular female cingulum (27), two sets of son cingulums (28) are installed to the bilateral symmetry of sliding tray (20) inner chamber, just annular female cingulum (27) mesh with two sets of son cingulums (28) simultaneously.