Continuous laser welding machine for preparing lithium battery

Abstract

The utility model discloses a continuous laser welding machine for preparing a lithium battery, and relates to the technical field of battery production, in particular to the continuous laser welding machine for preparing the lithium battery, which comprises a processing platform, and a laser welding machine is arranged at the left end of the top of the processing platform. A battery feeding mechanism is arranged on the processing platform and is used for orderly feeding batteries, a battery conveying mechanism is arranged on the processing platform and is used for continuously conveying the batteries, the battery feeding mechanism comprises an entering assembly and a discharging assembly, the entering assembly comprises a rail fixed to the left side of the top of the processing platform, and a limiting seat is fixed to the top of the rear end of the rail; and a slide way is fixed at the upper end of the limiting seat, and a rubber limiting piece is fixed between the top of the limiting seat and the bottom of the slide way, so that the problem that the further optimization of the production process and the improvement of the efficiency are limited to a certain extent due to the fact that continuous feeding of batteries and pole pieces cannot be realized at present in the scheme is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery production, and particularly relates to a continuous laser welding machine for preparing lithium batteries. Background Technique

[0002] The laser welding machine uses a high-energy laser beam to directly irradiate the welding part of the lithium battery component. Through the high energy density of the laser beam, the material is instantaneously melted to achieve welding. This welding process does not require contact, avoiding physical damage and pollution that may be brought by traditional welding methods, thus ensuring the purity and consistency of the lithium battery components;

[0003] After inquiry, the publication (announcement) number: CN214602705U discloses a welding device for battery production. In this technology, "a welding device for battery production is disclosed, including a base. A fixed frame is fixedly connected to the top of the base. The top end of the fixed frame is rotatably connected to a connection frame. A plurality of sliding rods are arranged on the connection frame and distributed in a circular array. The end of the sliding rod extending into the connection frame is fixedly connected with a clamping mechanism. A column located inside the inner circle of the fixed frame is also fixedly connected to the top surface of the base. A welding machine is installed at the top end of the column. Fixed rods and connecting columns are respectively fixedly connected to the outside of the fixed frame" and other technical solutions, and has technical effects such as "by setting a rotatable connection frame, the inner circle of the connection frame clamps the welding parts through the clamping mechanism, and the rotation of the connection frame enables multiple welding parts to sequentially contact the welding machine, thereby achieving the effect of sequential welding, saving time and effort, and having high efficiency";

[0004] The above solution clamps the welding parts through the clamping mechanism on the inner circle of the connection frame, and the rotation of the connection frame enables multiple welding parts to sequentially contact the welding machine, achieving the effect of continuous sequential welding; although this solution has achieved a certain improvement in processing efficiency, at present, continuous feeding of batteries and electrode plates has not been realized, which to a certain extent limits the further optimization of the production process and the improvement of efficiency. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a continuous laser welding machine for preparing lithium batteries, which has the characteristics of realizing orderly feeding, continuous conveying, and sequential discharging of batteries.

[0006] To achieve the above purposes, the utility model is realized through the following technical solutions: A continuous laser welding machine for preparing lithium batteries, including a processing platform. A laser welding machine is installed at the left end of the top of the processing platform. A battery feeding mechanism is arranged on the processing platform and is used for orderly feeding of batteries. A battery conveying mechanism is arranged on the processing platform and is used for continuously conveying batteries. The battery feeding mechanism includes:

[0007] The feeding component includes a track fixed to the left side of the top of the processing platform. A limit seat is fixed to the top of the rear end of the track. A slideway is fixed to the upper end of the limit seat, and a rubber limit piece is fixed between the top of the limit seat and the bottom of the slideway.

[0008] The extrusion component includes a first double-axis cylinder fixed to the right end of the track. A pressing plate is installed at the output end of the first double-axis cylinder, and a pressing head is fixed to the bottom left end of the pressing plate.

[0009] The feeding-in component includes a push plate slidably installed inside the track. A first standard cylinder is installed at the front end of the track and is used to drive the push plate to move.

[0010] Preferably, the battery conveying mechanism includes a battery rack fixed to the top of the processing platform. A number of equally spaced battery slots are provided inside the battery rack. A second double-axis cylinder is arranged below the processing platform. A cross plate is installed at the output end of the second double-axis cylinder. A slide plate is horizontally slidably installed at the upper end of the battery rack. Push rods corresponding to a number of battery slots are fixed to the top of the slide plate. A second standard cylinder is installed at the top left end of the cross plate and is used to drive the slide plate to move.

[0011] Preferably, the battery conveying mechanism further includes a third standard cylinder installed at the front end of the top of the processing platform, and a positioning head is installed at the output end of the third standard cylinder.

[0012] Preferably, a battery blanking mechanism is arranged on the processing platform and is used for blanking the battery. The battery blanking mechanism includes an extension frame fixed to the right end of the processing platform. Axis seats are fixed to both the front and rear ends of the top of the extension frame. A shaft rod is rotatably installed between the axis seats. A finger cylinder is fixed to the shaft rod and is used for clamping the battery. A gear is fixed to the front end of the shaft rod. A rack is horizontally slidably installed at the top of the extension frame and meshes with the gear for transmission. A fourth standard cylinder is installed at the front end of the top of the extension frame and is used to drive the rack to move.

[0013] Preferably, the diameters of the round holes on the limit seat and the slideway are both larger than the diameter of the battery, and the diameter of the round hole on the rubber limit piece is smaller than the diameter of the battery.

[0014] Preferably, a pole piece feeding mechanism is arranged on the left side behind the processing platform and is used for feeding the pole piece.

[0015] Beneficial effects

[0016] The utility model provides a continuous laser welding machine for preparing lithium batteries. Compared with the prior art, the following beneficial effects are achieved:

[0017] (1) The battery is delivered to the slideway, slides down the slideway to the top of the rubber limit piece, and then the indenter on the pressing plate is driven by the output end of the first double-shaft cylinder to push the battery downward, so that the battery squeezes the rubber limit piece to deform and then passes through the limit seat and falls into the track. Then, the battery is pushed by the output end of the first standard cylinder to the leftmost battery slot on the battery rack, realizing the orderly feeding of the battery.

[0018] (5) The output end of the second double-shaft cylinder drives the cross plate to drive the slide plate to move upward. The slide plate jacks up the battery in the battery slot through the push rod, and the output end of the second standard cylinder drives the slide plate to move to the right. The slide plate drives the battery jacked up by the push rod to move to the right. Then, the output end of the second double-shaft cylinder drives the cross plate to drive the slide plate to move downward. The slide plate drives the battery on the push rod to descend into the battery slot, and the output end of the second standard cylinder drives the cross plate to reset; by continuously feeding the battery into the adjacent battery slot on the right in turn, the continuous conveying of the battery is realized.

[0019] (3) When the battery after welding processing is conveyed to the rightmost end on the top of the processing platform through the battery conveying mechanism, it is clamped by the finger cylinder, and the output end of the fourth standard cylinder drives the rack to drive the gear to rotate. The gear drives the battery clamped by the finger cylinder to rotate through the shaft rod, realizing the sequential blanking of the battery after welding processing. Brief Description of the Drawings

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model;

[0021] Figure 2 It is a structural schematic diagram of the battery conveying mechanism on the top of the processing platform in the present utility model;

[0022] Figure 3 It is a structural schematic diagram of the battery conveying mechanism at the bottom of the processing platform in the present utility model;

[0023] Figure 4 It is a structural schematic diagram of the battery feeding mechanism in the present utility model;

[0024] Figure 5 It is a split structural schematic diagram of the battery feeding mechanism in the present utility model.

[0025] In the figure: 1. Processing platform; 2. Laser welding machine; 3. Electrode sheet feeding mechanism; 4. Battery feeding mechanism; 41. Entering component; 411. Track; 412. Limiting seat; 413. Rubber limiting part; 414. Slideway; 42. Extrusion component; 421. First double-axis cylinder; 422. Pressing plate; 423. Pressing head; 43. Feeding-in component; 431. First standard cylinder; 432. Pushing plate; 5. Battery conveying mechanism; 51. Battery rack; 52. Battery slot; 53. Second double-axis cylinder; 54. Cross plate; 55. Slide plate; 56. Push rod; 57. Second standard cylinder; 58. Third standard cylinder; 59. Positioning head; 6. Battery discharging mechanism; 61. Extension frame; 62. Shaft seat; 63. Shaft rod; 64. Finger cylinder; 65. Gear; 66. Rack; 67. Fourth standard cylinder. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] Please refer to Figures 1-5 , the present invention provides a technical solution for a continuous laser welding machine for preparing lithium batteries: A continuous laser welding machine for preparing lithium batteries includes a processing platform 1. A laser welding machine 2 is installed at the left end of the top of the processing platform 1. A battery feeding mechanism 4 is arranged on the processing platform 1 and is used for orderly feeding of batteries. A battery conveying mechanism 5 is arranged on the processing platform 1 and is used for continuously conveying batteries. The battery feeding mechanism 4 includes:

[0028] An entering component 41, including a track 411 fixed to the left side of the top of the processing platform 1. A limiting seat 412 is fixed to the top rear end of the track 411. A slideway 414 is fixed to the upper end of the limiting seat 412. And a rubber limiting part 413 is fixed between the top of the limiting seat 412 and the bottom of the slideway 414.

[0029] An extrusion component 42, including a first double-axis cylinder 421 fixed to the right end of the track 411. The output end of the first double-axis cylinder 421 is installed with a pressing plate 422. A pressing head 423 is fixed to the bottom left end of the pressing plate 422.

[0030] A feeding-in component 43, including a pushing plate 432 slidably installed inside the track 411. A first standard cylinder 431 is installed at the front end of the track 411 and is used for driving the pushing plate 432 to move.

[0031] In this implementation scheme, the battery is transported to the slideway 414, slides down the slideway 414 to the top of the rubber limiting member 413, and then the indenter 423 on the pressing plate 422 is driven by the output end of the first double-shaft cylinder 421 to push the battery downward, so that the battery squeezes the rubber limiting member 413 to deform and then can pass through the limiting seat 412 and fall into the track 411, and then the push plate 432 is driven by the output end of the first standard cylinder 431 to push the battery into the leftmost battery slot 52 on the battery rack 51, realizing the orderly feeding of the battery.

[0032] Specifically, the battery conveying mechanism 5 includes a battery rack 51 fixed to the top of the processing platform 1. A plurality of equally spaced battery slots 52 are opened inside the battery rack 51. A second double-shaft cylinder 53 is arranged below the processing platform 1. A cross plate 54 is installed at the output end of the second double-shaft cylinder 53. A slide plate 55 is horizontally slidably installed at the upper end of the battery rack 51. A push rod 56 corresponding to a plurality of battery slots 52 is fixed to the top of the slide plate 55. A second standard cylinder 57 is installed at the top left end of the cross plate 54 and is used to drive the slide plate 55 to move.

[0033] In this embodiment, the output end of the second double-shaft cylinder 53 drives the cross plate 54 to drive the slide plate 55 to move upward. The slide plate 55 pushes up the battery in the battery slot 52 through the push rod 56, and the output end of the second standard cylinder 57 drives the slide plate 55 to move to the right. The slide plate 55 drives the battery pushed up by the push rod 56 to move to the right. Then the output end of the second double-shaft cylinder 53 drives the cross plate 54 to drive the slide plate 55 to move downward. The slide plate 55 drives the battery on the push rod 56 to drop into the battery slot 52, and the output end of the second standard cylinder 57 drives the cross plate 54 to reset; by continuously feeding the battery into the adjacent battery slot 52 on the right, the continuous conveying of the battery is realized.

[0034] Specifically, the battery conveying mechanism 5 further includes a third standard cylinder 58 installed at the front end of the top of the processing platform 1, and a positioning head 59 is installed at the output end of the third standard cylinder 58.

[0035] In this embodiment, when the battery is conveyed to directly below the laser welding machine 2 by the battery conveying mechanism 5, the third standard cylinder 58 is driven by the output end of the positioning head 59 to position the battery, avoiding shaking during the welding with the pole piece.

[0036] Specifically, a battery blanking mechanism 6 is provided on the processing platform 1 and is used for blanking the battery. The battery blanking mechanism 6 includes an extension frame 61 fixed to the right end of the processing platform 1. At the front and rear ends of the top of the extension frame 61, shaft seats 62 are fixed, and a shaft rod 63 is rotatably installed between the shaft seats 62. A finger cylinder 64 is fixed on the shaft rod 63 and is used for clamping the battery. A gear 65 is fixed to the front end of the shaft rod 63. A rack 66 is horizontally slidably installed on the top of the extension frame 61 and is in meshing transmission with the gear 65. A fourth standard cylinder 67 is installed at the front end of the top of the extension frame 61 and is used for driving the rack 66 to move.

[0037] In this embodiment, when the battery after welding processing is conveyed to the rightmost end of the top of the processing platform 1 through the battery conveying mechanism 5, it is clamped by the finger cylinder 64, and the output end of the fourth standard cylinder 67 drives the rack 66 to drive the gear 65 to rotate. The gear 65 drives the battery clamped by the finger cylinder 64 to rotate through the shaft rod 63, realizing the blanking of the battery after welding processing. And a conveyor belt can be arranged on one side of the battery blanking mechanism 6 to convey the battery after welding processing to the next process.

[0038] Specifically, the diameters of the circular holes on the limit seat 412 and the slideway 414 are both larger than the diameter of the battery, and the diameter of the circular hole on the rubber limit member 413 is smaller than the diameter of the battery.

[0039] In this embodiment, after the battery falls onto the rubber limit member 413 through the slideway 414, it will not continue to fall directly downward.

[0040] Specifically, a pole piece feeding mechanism 3 is arranged on the left side behind the processing platform 1 and is used for feeding the pole pieces.

[0041] In this embodiment, the pole pieces can be fed through a vibrating disk, and the pole piece feeding mechanism 3 feeds the pole pieces onto the battery in the battery slot 52 directly below the laser welding machine 2.

[0042] The working principle and usage process of the present utility model: First, the battery is conveyed to the slideway 414, slides down through the slideway 414 to the top of the rubber limit member 413, and then the ram 423 on the pressure plate 422 is pushed downward by the output end of the first double-shaft cylinder 421 to make the battery squeeze the rubber limit member 413 to deform and then pass through the limit seat 412 and fall into the track 411. Then, the battery is pushed to the battery slot 52 at the leftmost end of the battery rack 51 by the output end of the first standard cylinder 431, realizing the orderly feeding of the battery.

[0043] Then, the output end of the second double-axis cylinder 53 drives the cross plate 54 to drive the sliding plate 55 to move upward. The sliding plate 55 pushes up the battery in the battery slot 52 through the push rod 56, and the output end of the second standard cylinder 57 drives the sliding plate 55 to move to the right. The sliding plate 55 drives the battery pushed up by the push rod 56 to move to the right. Then, the output end of the second double-axis cylinder 53 drives the cross plate 54 to drive the sliding plate 55 to move downward. The sliding plate 55 drives the battery on the push rod 56 to descend into the battery slot 52, and the output end of the second standard cylinder 57 drives the cross plate 54 to reset. The battery is continuously fed into the adjacent battery slot 52 on the right side in turn to realize the continuous conveyance of the battery.

[0044] Moreover, the pole piece is fed by the vibrating disk, and the pole piece is fed into the battery in the battery slot 52 directly below the laser welding machine 2 through the pole piece feeding mechanism 3. When the battery is conveyed to directly below the laser welding machine 2 by the battery conveying mechanism 5, the output end of the positioning head 59 drives the third standard cylinder 58 to position the battery, and the laser welding machine 2 welds the battery and the pole piece.

[0045] Finally, when the battery after welding processing is conveyed to the rightmost end of the top of the processing platform 1 by the battery conveying mechanism 5, it is clamped by the finger cylinder 64. The output end of the fourth standard cylinder 67 drives the rack 66 to drive the gear 65 to rotate. The gear 65 drives the battery clamped by the finger cylinder 64 to rotate through the shaft rod 63, realizing the blanking of the battery after welding processing. And a conveyor belt can be arranged on one side of the battery blanking mechanism 6 to convey the battery after welding processing to the next process.

[0046] The model of the cylinder is: DSNU-20-50-PPV-A, which is a product adopting existing mature technology and will not be elaborated in detail here. And the electrical components appearing in this article are all electrically connected to the external main controller and 220V mains.

[0047] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0048] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A continuous laser welding machine for preparing lithium batteries, comprising a processing platform (1), and a laser welding machine (2) is installed at the left end of the top of the processing platform (1), and is characterized in that: A battery feeding mechanism (4) is provided on the processing platform (1) and is used for orderly feeding of batteries. A battery conveying mechanism (5) is provided on the processing platform (1) and is used for continuously conveying batteries. The battery feeding mechanism (4) includes: An inlet assembly (41), including a track (411) fixed to the left side of the top of the processing platform (1). A limit seat (412) is fixed to the top of the rear end of the track (411). A slideway (414) is fixed to the upper end of the limit seat (412). A rubber limit member (413) is fixed between the top of the limit seat (412) and the bottom of the slideway (414); An extrusion assembly (42), including a first double-axis cylinder (421) fixed to the right end of the track (411). A pressing plate (422) is installed at the output end of the first double-axis cylinder (421). A pressing head (423) is fixed to the bottom left end of the pressing plate (422); A feeding-in assembly (43), including a push plate (432) slidably installed inside the track (411). A first standard cylinder (431) is installed at the front end of the track (411) and is used to drive the push plate (432) to move.

2. The continuous laser welding machine for preparing lithium batteries according to claim 1, wherein: The battery conveying mechanism (5) includes a battery rack (51) fixed to the top of the processing platform (1). A number of equally spaced battery slots (52) are provided inside the battery rack (51). A second double-axis cylinder (53) is provided below the processing platform (1). A cross plate (54) is installed at the output end of the second double-axis cylinder (53). A slide plate (55) is horizontally slidably installed at the upper end of the battery rack (51). Push rods (56) corresponding to a number of battery slots (52) are fixed to the top of the slide plate (55). A second standard cylinder (57) is installed at the top left end of the cross plate (54) and is used to drive the slide plate (55) to move.

3. The continuous laser welding machine for preparing lithium batteries according to claim 2, characterized in that: The battery conveying mechanism (5) further includes a third standard cylinder (58) installed at the front end of the top of the processing platform (1). A positioning head (59) is installed at the output end of the third standard cylinder (58).

4. A continuous laser welding machine for preparing lithium batteries according to claim 1, characterized in that: A battery discharging mechanism (6) is provided on the processing platform (1) and is used for discharging batteries. The battery discharging mechanism (6) includes an extension frame (61) fixed to the right end of the processing platform (1). Axis seats (62) are fixed to both the front and rear ends of the top of the extension frame (61). A shaft rod (63) is rotatably installed between the axis seats (62). A finger cylinder (64) is fixed to the shaft rod (63) and is used to clamp the battery. A gear (65) is fixed to the front end of the shaft rod (63). A rack (66) is horizontally slidably installed at the top of the extension frame (61) and meshes with the gear (65). A fourth standard cylinder (67) is installed at the front end of the top of the extension frame (61) and is used to drive the rack (66) to move.

5. A continuous laser welding machine for preparing lithium batteries according to claim 1, characterized in that: The diameters of the round holes on the limit seat (412) and the slideway (414) are both larger than the diameter of the battery, and the diameter of the round hole on the rubber limit member (413) is smaller than the diameter of the battery.

6. The continuous laser welding machine for preparing lithium batteries according to claim 1, wherein: A pole piece feeding mechanism (3) is provided on the left side behind the processing platform (1) and is used for feeding pole pieces.

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