High-performance secondary lithium ion soft package battery pole piece slitting device

Abstract

The utility model discloses a high-performance secondary lithium ion soft package battery pole piece slitting device, relates to the technical field of battery pole piece production, and solves the problems that when a current battery pole piece is turned and secondarily enters a slitting device for slitting, the placement of the battery pole piece is easy to deviate, and the actual requirement of the battery pole piece is poor. And the slitting length of the battery pole piece cannot be adjusted according to needs. Comprising a slitting frame, a transfer frame is arranged at the bottom of the slitting frame, two connecting plates are fixedly mounted at the top of the transfer frame, and two extension rods are movably connected into the slitting frame in a sleeved mode; the battery pole piece slitting device has the advantages that deviation caused by manual overturning is avoided, secondary entering into the bottom of the slitting machine for transverse slitting is avoided, the processing time of battery pole piece slitting is prolonged, the distance between the two slitting knives is rapidly adjusted, the actual length requirement of the battery pole piece is adjusted, and the production efficiency is improved. The slitting device is suitable for slitting the battery pole pieces with different lengths and widths.

Description

Technical Field

[0001] The utility model relates to the technical field of battery pole piece production, in particular to a high-performance secondary lithium-ion soft-pack battery pole piece cutting device. Background Art

[0002] "Lithium battery" is a type of battery that uses lithium metal or lithium alloy as positive / negative electrode materials and non-aqueous electrolyte solution. Due to the very active chemical properties of lithium metal, the processing, storage and use of lithium metal have very high environmental requirements. With the development of science and technology, lithium batteries have become mainstream. Lithium batteries can be roughly divided into two categories: lithium metal batteries and lithium-ion batteries. Lithium-ion batteries do not contain metallic lithium and are rechargeable. According to the "A Lithium Battery Electrode Slitting Machine" provided by Chinese Patent Authorization Announcement No. CN214920951U, a bidirectional lead screw is set at the top of the unwinding shaft, and a servo motor is used to drive the bidirectional lead screw to rotate, so that the push plate rotates along the bidirectional lead screw, and the push plate is used to push the electrode on the unwinding shaft to move, so that the electrode is always located in the middle of the unwinding shaft, ensuring that the electrode is cut at equal intervals. However, when cutting the battery electrode, bidirectional cutting is required. The cutting of the battery electrode requires bidirectional cutting to complete the cutting of the battery electrode. The battery electrode needs to be turned and enter the interior of the cutting device for the second time for cutting, which is prone to deviation in the placement of the battery electrode, and the actual needs of the battery electrode cannot be adjusted according to the actual needs of the battery electrode.

[0003] Therefore, a high-performance secondary lithium-ion soft-pack battery electrode cutting device is designed to solve the above problems. Utility Model Content

[0004] The utility model provides a high-performance secondary lithium-ion soft-pack battery electrode sheet cutting device, which solves the technical problems that the battery electrode sheets are easily placed in deviation when they are turned and enter the interior of the cutting device for cutting for the second time, and the cutting length of the battery electrode sheets cannot be adjusted according to the actual needs of the battery electrode sheets.

[0005] In order to solve the above technical problems, the utility model provides a high-performance secondary lithium-ion soft-pack battery electrode sheet slitting device, including a slitting frame, a transfer frame is provided at the bottom of the slitting frame, two connecting plates are fixedly installed on the top of the transfer frame, two extension rods are movably sleeved inside the slitting frame, the top ends of the two extension rods both penetrate the slitting frame, and the top ends of the two extension rods are fixedly connected to a push-up plate, a servo hydraulic cylinder is fixedly installed inside the slitting frame, the hydraulic support rod inside the servo hydraulic cylinder is fixedly connected to the bottom of the push-up plate, an adjusting frame is provided at the bottom of the transfer frame, slitting knives are provided on both sides of the adjusting frame, a slitting steering assembly is provided inside the transfer frame, and a slitting distance adjustment assembly is provided inside the adjusting frame.

[0006] Preferably, the slitting and steering assembly includes an anti-slip drum, a movable rod, a transmission gear plate, a steering gear disc and a servo pneumatic cylinder; the internal rotating sleeve of the adapter frame is connected with an anti-slip drum, the top of the anti-slip drum is fixedly installed with a steering gear disc, the internal movable sleeve of the adapter frame is connected with two movable rods, a transmission gear plate is fixedly connected between the two movable rods, the transmission gear plate is meshed with the outer wall of the steering gear disc, the internal fixed sleeve of the adapter frame is connected with a servo pneumatic cylinder, and the pneumatic rod inside the servo pneumatic cylinder is fixedly connected to one of the movable rods.

[0007] Preferably, the slitting and spacing adjustment assembly includes a sliding sleeve, a sliding frame, a servo motor, a bidirectional screw and a threaded barrel. Four sliding sleeves are fixedly installed inside the adjusting frame. A sliding frame is movably sleeved between every two corresponding sliding sleeves. A threaded barrel is fixedly sleeved inside the two sliding frames. A bidirectional screw is rotatably sleeved inside the adjusting frame. The bidirectional screw is threadably sleeved with two threaded barrels. One end of the two sliding frames passes through the adjusting frame, and one end of the adjusting frame is fixedly connected to one side of the slitting knife. A servo motor is fixedly installed on one side of the adjusting frame, and the output end of the servo motor is fixedly connected to one end of the bidirectional screw.

[0008] Preferably, two rotating shaft tubes are fixedly sleeved inside the adjusting frame, and two ends of the bidirectional screw are rotatably sleeved with the adjusting frame through the rotating shaft tubes.

[0009] Preferably, four movable sleeves are fixedly sleeved inside the adjusting frame, and the two sliding frames are movably sleeved with the adjusting frame via two movable sleeves.

[0010] Preferably, two hanging racks are fixedly installed on the top of the slitting rack, and the two hanging racks are symmetrically distributed with the axis of the slitting rack as the center.

[0011] Compared with the related art, the high-performance secondary lithium-ion soft-pack battery electrode cutting device provided by the utility model has the following beneficial effects:

[0012] The utility model provides a high-performance secondary lithium-ion soft-pack battery pole piece cutting device, which is provided with a bogie and an adjusting frame at the bottom of the cutting frame, and cutting knives are provided on both sides of the adjusting frame, an anti-slip rotating drum is rotatably sleeved inside the bogie, and a steering gear disc is fixedly installed on the top of the bogie, a transmission gear plate is movably sleeved inside the bogie via two movable rods, so that the transmission gear plate is meshed and connected with the steering gear disc, the adjusting frame is connected with the anti-slip rotating drum, and a servo pneumatic cylinder is fixedly sleeved inside the bogie and fixedly connected with one of the movable rods, and then the servo pneumatic cylinder is operated to drive the two cutting knives to turn, so that the battery pole pieces can be cut quickly and conveniently, deviation caused by manual flipping can be avoided, and the two First, it enters the bottom of the slitting machine for horizontal slitting, which increases the processing time of slitting the battery pole pieces; four sliding frames are fixedly installed inside the adjusting frame, thereby slidingly supporting the two sliding frames, and then a threaded barrel is fixedly sleeved inside the two sliding frames, and a bidirectional screw is rotatably sleeved inside the adjusting frame through two rotating shaft barrels, so that the bidirectional screw is threadedly sleeved with the two threaded barrels, and then a servo motor is fixedly installed on one side of the adjusting frame, so that the output end of the servo motor is fixedly connected to the bidirectional screw, and the distance between the two slitting knives can be quickly adjusted by running the servo motor, so as to adjust the actual length requirement of the battery pole piece to be suitable for slitting of different lengths and widths of the battery pole piece. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the structure of the utility model in front cross-section;

[0015] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0016] Figure 4 For this utility model Figure 2 Schematic diagram of the enlarged structure at point B.

[0017] Numbers in the figure: 1. Slitting frame; 2. Hoisting frame; 3. Adapter frame; 4. Push-up plate; 5. Servo hydraulic cylinder; 6. Slitting and steering assembly; 601. Anti-slip rotating drum; 602. Movable rod; 603. Transmission gear plate; 604. Steering gear plate; 605. Servo pneumatic cylinder; 7. Slitting knife; 8. Extension rod; 9. Slitting and distance adjustment assembly; 901. Sliding sleeve; 902. Sliding frame; 903. Servo motor; 904. Bidirectional screw; 905. Threaded barrel; 10. Connecting plate; 11. Adjustment frame; 12. Rotating shaft barrel; 13. Movable sleeve. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] Embodiment 1, by Figure 1-4 The utility model includes a slitting frame 1, a transfer frame 3 is provided at the bottom of the slitting frame 1, two connecting plates 10 are fixedly installed on the top of the transfer frame 3, two extension rods 8 are movably sleeved inside the slitting frame 1, the top ends of the two extension rods 8 both pass through the slitting frame 1, and the top ends of the two extension rods 8 are fixedly connected with a push-up plate 4, a servo hydraulic cylinder 5 is fixedly installed inside the slitting frame 1, the hydraulic support rod inside the servo hydraulic cylinder 5 is fixedly connected to the bottom of the push-up plate 4, an adjusting frame 11 is provided at the bottom of the transfer frame 3, slitting knives 7 are provided on both sides of the adjusting frame 11, a slitting steering assembly 6 is provided inside the transfer frame 3, and a slitting distance adjustment assembly 9 is provided inside the adjusting frame 11.

[0020] Embodiment 2, on the basis of embodiment 1, the slitting and steering assembly 6 includes an anti-slipping rotating drum 601, a movable rod 602, a transmission gear plate 603, a steering gear disc 604 and a servo pneumatic cylinder 605, the internal rotating sleeve of the adapter frame 3 is connected with the anti-slipping rotating drum 601, the top of the anti-slipping rotating drum 601 is fixedly installed with the steering gear disc 604, the internal movable sleeve of the adapter frame 3 is connected with two movable rods 602, the transmission gear plate 603 is fixedly connected between the two movable rods 602, the transmission gear plate 603 is meshed with the outer wall of the steering gear disc 604, the internal fixed sleeve of the adapter frame 3 is connected with the servo pneumatic cylinder 605, the pneumatic rod inside the servo pneumatic cylinder 605 is fixedly connected with one of the movable rods 602, thereby driving the slitting knife 7 to rotate, so that the slitting of the battery pole piece is fast and convenient, avoiding deviation caused by manual turning, and avoiding secondary entry into the bottom of the slitting machine for horizontal slitting, thereby increasing the processing time of the battery pole piece slitting.

[0021] Embodiment 3, on the basis of embodiment 1, the slitting and distance adjusting component 9 includes a sliding sleeve 901, a sliding frame 902, a servo motor 903, a bidirectional screw 904 and a threaded barrel 905, four sliding sleeves 901 are fixedly installed inside the adjusting frame 11, and a sliding frame 902 is movably sleeved between every two corresponding sliding sleeves 901, and the two sliding frames 902 are fixedly sleeved inside with a threaded barrel 905, and the interior of the adjusting frame 11 is rotatably sleeved with a bidirectional screw 904, and the bidirectional screw 904 is threadedly sleeved with the two threaded barrels 905, one end of the two sliding frames 902 passes through the adjusting frame 11, and one end of the adjusting frame 11 is fixedly connected to one side of the slitting knife 7, and a servo motor 903 is fixedly installed on one side of the adjusting frame 11, and the output end of the servo motor 903 is fixedly connected to one end of the bidirectional screw 904, so that the distance between the two slitting knives 7 can be quickly adjusted to facilitate the adjustment of the actual length requirement of the battery pole piece, so as to be suitable for slitting processing of different lengths and widths of the battery pole piece.

[0022] Embodiment 4, based on embodiment 3, two rotating shaft tubes 12 are fixedly sleeved inside the adjusting frame 11, and both ends of the bidirectional screw 904 are rotatably sleeved with the adjusting frame 11 through the rotating shaft tubes 12, so as to provide rotation support for the bidirectional screw 904.

[0023] Embodiment 5, based on embodiment 3, four movable sleeves 13 are fixedly sleeved inside the adjusting frame 11, and two sliding frames 902 are movably sleeved with the adjusting frame 11 through the two movable sleeves 13, so that the sliding frames 902 can be stretched and movably stretched in the adjusting frame 11 without restriction.

[0024] Embodiment 6, on the basis of embodiment 1, two hanging frames 2 are fixedly installed on the top of the slitting frame 1, and the two hanging frames 2 are symmetrically distributed with the axis of the slitting frame 1 as the center, so that the slitting device can be hung on the top of the corresponding processing equipment for use.

[0025] Working principle: First, two hanging frames 2 are fixedly installed on the top of the slitting frame 1, and the slitting device is hoisted on the top of the corresponding processing equipment for use. Secondly, a bogie 3 and an adjusting frame 11 are provided at the bottom of the slitting frame 1, and slitting knives 7 are provided on both sides of the adjusting frame 11. Two connecting plates 10 are fixedly installed on the top of the bogie 3, and a push-up plate 4 is connected to the top of the connecting plate 10 through two extension rods 8. A servo hydraulic cylinder 5 is fixedly installed inside the slitting frame 1, so that the hydraulic support rod inside the servo hydraulic cylinder 5 and the push-up plate 4 is fixedly connected, thereby driving the two slitting knives 7 to move up and down, so that the battery pole pieces are cut by the downward pressure of the slitting knives 7, and then the anti-slip rotating drum 601 is rotatably sleeved inside the bogie 3, and a steering gear disc 604 is fixedly installed on the top thereof, and a transmission gear plate 603 is movably sleeved inside the bogie 3 through two movable rods 602, so that the transmission gear plate 603 is meshed and connected with the steering gear disc 604, and the adjusting frame 11 is connected to the anti-slip rotating drum 601, and the servo pneumatic cylinder 605 is fixedly sleeved inside the bogie 3 and connected with it. A movable rod 602 is fixedly connected, and then the servo pneumatic cylinder 605 is operated to drive the two slitting knives 7 to turn, so that the slitting of the battery pole piece is fast and convenient, avoiding deviation caused by manual flipping, and avoiding entering the bottom of the slitting machine for horizontal slitting for the second time, thereby increasing the processing time of the battery pole piece slitting; four sliding racks 902 are fixedly installed inside the adjusting rack 11, thereby slidingly supporting the two sliding racks 902, and secondly, the threaded cylinder 905 is fixedly sleeved inside the two sliding racks 902, which cooperates with the internal fixed installation of the adjusting rack 11 There are two rotating shaft tubes 12, and a bidirectional screw 904 is rotatably sleeved inside the adjusting frame 11 through the two rotating shaft tubes 12, so that the bidirectional screw 904 is threadedly sleeved with two threaded tubes 905, and then a servo motor 903 is fixedly installed on one side of the adjusting frame 11, so that the output end of the servo motor 903 is fixedly connected to the bidirectional screw 904. By running the servo motor 903, the distance between the two cutting knives 7 can be quickly adjusted, so as to adjust the actual length requirement of the battery pole piece, so as to be suitable for cutting the battery pole pieces of different lengths and widths.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-performance secondary lithium-ion soft-pack battery electrode sheet cutting device, comprising a cutting frame (1), characterized in that: The bottom of the slitting frame (1) is provided with an adapter frame (3), the top of the adapter frame (3) is fixedly mounted with two connecting plates (10), the inside of the slitting frame (1) is movably sleeved with two extension rods (8), the top ends of the two extension rods (8) both penetrate the slitting frame (1), and the top ends of the two extension rods (8) are fixedly connected with a push-up plate (4), the inside of the slitting frame (1) is fixedly mounted with a servo hydraulic cylinder (5), the hydraulic support rod inside the servo hydraulic cylinder (5) is fixedly connected with the bottom of the push-up plate (4), the bottom of the adapter frame (3) is provided with an adjustment frame (11), both sides of the adjustment frame (11) are provided with slitting knives (7), the inside of the adapter frame (3) is provided with a slitting steering assembly (6), and the inside of the adjustment frame (11) is provided with a slitting distance adjustment assembly (9).

2. A high-performance secondary lithium-ion soft-pack battery electrode sheet cutting device according to claim 1, characterized in that: The slitting and steering assembly (6) comprises an anti-slip rotating drum (601), a movable rod (602), a transmission gear plate (603), a steering gear disc (604) and a servo pneumatic cylinder (605); the anti-slip rotating drum (601) is rotatably sleeved inside the adapter frame (3); the steering gear disc (604) is fixedly installed on the top of the anti-slip rotating drum (601); two movable rods (602) are movably sleeved inside the adapter frame (3); a transmission gear plate (603) is fixedly connected between the two movable rods (602); the transmission gear plate (603) is meshedly connected to the outer wall of the steering gear disc (604); the servo pneumatic cylinder (605) is fixedly sleeved inside the adapter frame (3); the pneumatic rod inside the servo pneumatic cylinder (605) is fixedly connected to one of the movable rods (602).

3. A high-performance secondary lithium-ion soft-pack battery electrode sheet cutting device according to claim 1, characterized in that: The slitting and spacing adjustment component (9) comprises a sliding sleeve (901), a sliding frame (902), a servo motor (903), a bidirectional screw (904) and a threaded barrel (905). Four sliding sleeves (901) are fixedly installed inside the adjustment frame (11). A sliding frame (902) is movably sleeved between every two corresponding sliding sleeves (901). The interiors of the two sliding frames (902) are fixedly sleeved with a threaded barrel (905). A bidirectional screw (904) is rotatably sleeved inside the adjusting frame (11), and the bidirectional screw (904) is threadedly sleeved with two threaded cylinders (905). One end of each of the two sliding frames (902) passes through the adjusting frame (11), and one end of the adjusting frame (11) is fixedly connected to one side of the slitting knife (7). A servo motor (903) is fixedly installed on one side of the adjusting frame (11), and the output end of the servo motor (903) is fixedly connected to one end of the bidirectional screw (904).

4. A high-performance secondary lithium-ion soft-pack battery electrode sheet cutting device according to claim 3, characterized in that: Two rotating shaft cylinders (12) are fixedly sleeved inside the adjusting frame (11), and two ends of the bidirectional screw rod (904) are rotatably sleeved with the adjusting frame (11) via the rotating shaft cylinders (12).

5. A high-performance secondary lithium-ion soft-pack battery electrode sheet cutting device according to claim 3, characterized in that: Four movable sleeves (13) are fixedly sleeved inside the adjusting frame (11), and the two sliding frames (902) are movably sleeved with the adjusting frame (11) via the two movable sleeves (13).

6. A high-performance secondary lithium-ion soft-pack battery electrode sheet cutting device according to claim 1, characterized in that: Two hanging frames (2) are fixedly mounted on the top of the slitting frame (1), and the two hanging frames (2) are symmetrically distributed with the axis of the slitting frame (1) as the center.

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