Cutting device for battery diaphragm

Abstract

The utility model discloses a cutting device for a battery diaphragm, relates to the technical field of diaphragm production, and solves the problems that the battery diaphragm needs to be steered when the battery diaphragm is cut at present, the cutting error of the battery diaphragm is easily caused when the battery diaphragm is moved when the steering adjustment is carried out, and the production efficiency is high. The packaging and the use of the battery are further influenced. Comprising a cutting machine box, through opening grooves are formed in the two sides of the cutting machine box, a lifting frame is movably connected into the cutting machine box in a sleeved mode, a connecting frame is arranged at the bottom of the lifting frame, a sliding frame is fixedly installed at the bottom of the connecting frame, two knife rests are arranged at the bottom of the sliding frame, and cutting knives are fixedly installed at the bottoms of the two knife rests; the battery diaphragm cutting device has the advantages that cutting adjustment is carried out according to the actual size requirement of a battery, steering cutting can be rapidly and conveniently carried out on a battery diaphragm, it is avoided that the battery diaphragm enters the cutting device for multiple times to be cut, and cutting deviation is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of diaphragm production, in particular to a cutting device for battery diaphragms. Background Art

[0002] In the structure of lithium battery, the diaphragm is one of the key inner components. The performance of the diaphragm determines the interface structure and internal resistance of the battery, directly affecting the battery's capacity, cycle and safety performance. A diaphragm with excellent performance plays an important role in improving the comprehensive performance of the battery. According to the "A battery diaphragm quantitative cutting device" provided by China Patent Authorization Announcement No. CN220499386U, a bracket fixedly mounted on a base and a cutting assembly and a transmission assembly respectively mounted on the front and rear sides of the bracket are provided. A mounting seat is provided on the bracket, one end of the transmission assembly is rotatably connected to the mounting seat, and the other end of the transmission assembly extends to the top of the cutting assembly and is connected to the cutting assembly to drive the cutting assembly to press down for cutting. However, when cutting the battery diaphragm, the battery diaphragm needs to be turned. When making the turning adjustment, the moving battery diaphragm is likely to cause a cutting error of the battery diaphragm, thereby affecting the packaging and use of the battery.

[0003] Therefore, a battery separator cutting device is designed to solve the above problems. Utility Model Content

[0004] The utility model provides a cutting device for battery diaphragms, which solves the technical problem that when cutting the battery diaphragms, the battery diaphragms need to be turned, and when turning and adjusting, the moving battery diaphragms are prone to cause cutting errors of the battery diaphragms, thereby affecting the packaging and use of the batteries.

[0005] In order to solve the above technical problems, the utility model provides a cutting device for battery diaphragms, including a cutting machine case, both sides of which are provided with through grooves, the cutting machine case is internally movably sleeved with a lifting frame, the bottom of the lifting frame is provided with a connecting frame, the bottom of the connecting frame is fixedly provided with a sliding frame, the bottom of the sliding frame is provided with two knife holders, the bottoms of the two knife holders are fixedly provided with cutting knives, the bottom of the sliding frame is provided with a cutting distance adjustment assembly, and a cutting steering assembly is provided between the lifting frame and the connecting frame.

[0006] Preferably, two movable sleeves are fixedly sleeved inside the cutting machine case, and the lifting frame is movably sleeved with the cutting machine case via the two movable sleeves.

[0007] Preferably, the cutting and distance adjusting assembly includes a slide cylinder, a supporting vertical plate, a supporting slide rod, a threaded cylinder, a distance adjusting screw and a servo motor, two supporting vertical plates are fixedly installed on the bottom of the sliding frame, two supporting vertical plates are movably sleeved inside the two supporting vertical plates, one end of each supporting slide rod is fixedly connected to the corresponding tool holder, a slide cylinder is fixedly installed on the top of the two tool holders, the two slide cylinders are slidably sleeved with the sliding frame, one side of the two tool holders is fixedly sleeved with a threaded cylinder, one side of the two supporting vertical plates is fixedly installed with a servo motor, the output ends of the two servo motors are fixedly connected with distance adjusting screws, and the two distance adjusting screws are respectively fixedly connected to the corresponding distance adjusting screws.

[0008] Preferably, the cutting steering assembly includes a bogie, a connecting rotating rod, a driving motor, a transmission gear plate and a reduction gear plate. The bogie is fixedly installed on the bottom of the lifting frame, and the reduction gear plate and the transmission gear plate are fixedly installed inside the bogie. The outer wall of the transmission gear plate is meshed and connected with the outer wall of the reduction gear plate. The driving motor is fixedly installed on the top of the bogie, and the output end of the driving motor is fixedly socketed with the transmission gear plate. The bottom end of the reduction gear plate is fixedly connected to the connecting rotating rod, and the bottom end of the connecting rotating rod is fixedly connected to the top of the connecting frame.

[0009] Preferably, a servo hydraulic cylinder is fixedly sleeved inside the cutting machine box, and a hydraulic support rod inside the servo hydraulic cylinder is fixedly sleeved with a lifting frame.

[0010] Preferably, a motor frame is fixedly sleeved on the top of the bogie, and the motor frame is sleeved with the driving motor.

[0011] Compared with the related art, the battery separator cutting device provided by the utility model has the following beneficial effects:

[0012] The utility model provides a cutting device for battery diaphragms, wherein a lifting frame is movably sleeved inside a cutting machine box, a sliding frame is arranged at the bottom of the lifting frame via a connecting frame, two knife racks are arranged at the bottom of the sliding frame, and a cutting knife is installed, a servo hydraulic cylinder is fixedly sleeved inside the cutting machine box, so that a hydraulic support rod inside the servo hydraulic cylinder is fixedly sleeved with the lifting frame, and the cutting knife is driven to press, so that the battery diaphragm passing through is cut, and a supporting vertical plate is fixedly installed at the bottom of the sliding frame, so that the supporting sliding rod inside the supporting vertical plate is fixedly connected with the knife rack, and a servo electric cylinder is fixedly installed on one side of the supporting vertical plate. The machine makes the pitch-adjusting screw at one end of the servo motor output end threadedly sleeved with the threaded barrel on one side of the tool holder, so as to realize cutting adjustment according to the actual size requirements of the battery; a bogie is fixedly installed at the bottom of the lifting frame, and a transmission gear plate and a reduction gear plate are rotatably sleeved inside the bogie, so that the transmission gear plate and the reduction gear plate are meshed and connected, and a driving motor is fixedly installed on the top of the bogie, so as to drive the reduction gear plate to rotate, and then the connecting rotating rod at the bottom of the reduction gear plate is connected with the connecting frame, so as to realize fast and convenient steering cutting of the battery diaphragm, avoid entering the interior of the cutting device for cutting multiple times, and prevent cutting deviation. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0014] Figure 2 It is a schematic diagram of the structure of the utility model in 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, cutting machine chassis; 2, through-mouth groove; 3, connecting frame; 4, knife frame; 5, cutting knife; 6, cutting steering assembly; 601, steering frame; 602, connecting rotating rod; 603, driving motor; 604, transmission gear plate; 605, reduction gear plate; 7, movable sleeve; 8, lifting frame; 9, cutting distance adjustment assembly; 901, slide cylinder; 902, supporting vertical plate; 903, supporting slide rod; 904, threaded cylinder; 905, distance adjustment screw; 906, servo motor; 10, servo hydraulic cylinder; 11, sliding frame; 12, motor frame. 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 comprises a cutting machine case 1, both sides of which are provided with through slots 2, a lifting frame 8 is movably sleeved inside the cutting machine case 1, a connecting frame 3 is provided at the bottom of the lifting frame 8, a sliding frame 11 is fixedly installed at the bottom of the connecting frame 3, two knife holders 4 are provided at the bottom of the sliding frame 11, cutting knives 5 are fixedly installed at the bottom of the two knife holders 4, a cutting distance adjustment assembly 9 is provided at the bottom of the sliding frame 11, and a cutting steering assembly 6 is provided between the lifting frame 8 and the connecting frame 3.

[0020] Embodiment 2, based on embodiment 1, two movable sleeves 7 are fixedly sleeved inside the cutting machine case 1, and the lifting frame 8 is movably sleeved with the cutting machine case 1 through the two movable sleeves 7, so that the lifting frame 8 is not restricted when it is stretched and moved inside the cutting machine case 1.

[0021] Embodiment 3, on the basis of embodiment 1, the cutting and distance adjusting component 9 includes a slide 901, a support vertical plate 902, a support slide rod 903, a threaded cylinder 904, a distance adjusting screw 905 and a servo motor 906, two support vertical plates 902 are fixedly installed at the bottom of the sliding frame 11, two support slide rods 903 are movably sleeved inside the two support vertical plates 902, one end of each support slide rod 903 is fixedly connected to the corresponding tool holder 4, the tops of the two tool holders 4 are fixedly installed with slides 901, the two slides 901 are slidably sleeved with the sliding frame 11, one side of the two tool holders 4 is fixedly sleeved with threaded cylinders 904, one side of the two support vertical plates 902 is fixedly installed with servo motors 906, the output ends of the two servo motors 906 are fixedly connected with distance adjusting screws 905, and the two distance adjusting screws 905 are respectively fixedly connected to the corresponding distance adjusting screws 905, so that the cutting and adjustment can be performed according to the actual size of the battery.

[0022] Embodiment 4, on the basis of embodiment 1, the cutting steering assembly 6 includes a bogie 601, a connecting rotating rod 602, a driving motor 603, a transmission gear disc 604 and a reduction gear disc 605, the bogie 601 is fixedly installed at the bottom of the lifting frame 8, the reduction gear disc 605 and the transmission gear disc 604 are fixedly installed inside the bogie 601, the outer wall of the transmission gear disc 604 is meshed with the outer wall of the reduction gear disc 605, the driving motor 603 is fixedly installed on the top of the bogie 601, the output end of the driving motor 603 is fixedly sleeved with the transmission gear disc 604, the bottom end of the reduction gear disc 605 is fixedly connected with the connecting rotating rod 602, and the bottom end of the connecting rotating rod 602 is fixedly connected to the top of the connecting frame 3, so that the battery diaphragm can be quickly and conveniently steered and cut, avoiding entering the interior of the cutting device for cutting multiple times, and preventing cutting deviations.

[0023] Embodiment 5, on the basis of embodiment 1, a servo hydraulic cylinder 10 is fixedly sleeved inside the cutting machine case 1, and the hydraulic support rod inside the servo hydraulic cylinder 10 is fixedly sleeved with the lifting frame 8, so that the lifting frame 8 can be pushed up.

[0024] Embodiment 6: Based on embodiment 4, a motor frame 12 is fixedly sleeved on the top of the bogie 601, and the motor frame 12 is sleeved with the driving motor 603, so that the driving motor 603 can be protected.

[0025] Working principle: First, a lifting frame 8 is movably sleeved inside the cutting machine case 1, and secondly, a connecting frame 3 is provided at the bottom of the lifting frame 8, and a sliding frame 11 is fixedly installed at the bottom of the connecting frame 3, and two knife holders 4 are provided at the bottom of the sliding frame 11, and then the cutting knife 5 is installed, and a servo hydraulic cylinder 10 is fixedly sleeved inside the cutting machine case 1, so that the hydraulic support rod inside the servo hydraulic cylinder 10 is fixedly sleeved with the lifting frame 8, so as to drive the cutting knife 5 to press, so that the battery diaphragm passing through is cut, and then a supporting vertical plate 902 is fixedly installed at the bottom of the sliding frame 11, so that the supporting slide bar 903 inside the supporting vertical plate 902 is fixedly connected to the knife holder 4, and then a servo motor 906 is fixedly installed on one side of the supporting vertical plate 902, so that The pitch-adjusting screw 905 at one end of the output end of the servo motor 906 is threadedly sleeved with the threaded tube 904 on one side of the tool holder 4, so as to realize cutting adjustment according to the actual size requirements of the battery; by fixing the bogie 601 at the bottom of the lifting frame 8, and rotatingly sleeved with the transmission gear disc 604 and the reduction gear disc 605 inside the bogie 601, the transmission gear disc 604 is meshed and connected with the reduction gear disc 605, and the driving motor 603 is fixedly installed on the top of the bogie 601, so as to drive the reduction gear disc 605 to rotate, and then the connecting rotating rod 602 at the bottom end of the reduction gear disc 605 is connected to the connecting frame 3, so as to realize fast and convenient steering cutting of the battery diaphragm, avoid entering the interior of the cutting device for cutting multiple times, and prevent cutting deviation.

[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 cutting device for battery separator, comprising a cutting machine box (1), Features: Both sides of the cutting machine case (1) are provided with through slots (2); a lifting frame (8) is movably sleeved inside the cutting machine case (1); a connecting frame (3) is provided at the bottom of the lifting frame (8); a sliding frame (11) is fixedly mounted at the bottom of the connecting frame (3); two knife racks (4) are provided at the bottom of the sliding frame (11); cutting knives (5) are fixedly mounted at the bottom of the two knife racks (4); a cutting distance adjustment assembly (9) is provided at the bottom of the sliding frame (11); and a cutting steering assembly (6) is provided between the lifting frame (8) and the connecting frame (3).

2. A battery separator cutting device according to claim 1, It is characterized in that Two movable sleeves (7) are fixedly sleeved inside the cutting machine case (1), and the lifting frame (8) is movably sleeved with the cutting machine case (1) via the two movable sleeves (7).

3. A battery separator cutting device according to claim 1, It is characterized in that The cutting distance adjustment component (9) comprises a slide cylinder (901), a support vertical plate (902), a support slide rod (903), a threaded cylinder (904), a distance adjustment screw rod (905) and a servo motor (906). Two support vertical plates (902) are fixedly installed at the bottom of the slide frame (11). Two support slide rods (903) are movably sleeved inside the two support vertical plates (902). One end of each support slide rod (903) is fixedly connected to the corresponding tool holder (4). The two tool holders (4) are connected to the cutting distance adjustment component (9) and the distance adjustment screw rod (905) is fixedly connected to the corresponding tool holder (4). A slide cylinder (901) is fixedly installed on the top of each frame (4), and the two slide cylinders (901) are slidably sleeved with the sliding frame (11). A threaded cylinder (904) is fixedly sleeved on one side of each of the two tool holders (4). A servo motor (906) is fixedly installed on one side of each of the two supporting vertical plates (902). The output ends of the two servo motors (906) are fixedly connected with pitch-adjusting screws (905), and the two pitch-adjusting screws (905) are respectively fixedly connected with corresponding pitch-adjusting screws (905).

4. A battery separator cutting device according to claim 1, It is characterized in that The cutting steering assembly (6) comprises a bogie (601), a connecting rotating rod (602), a driving motor (603), a transmission gear disc (604) and a reduction gear disc (605); the bogie (601) is fixedly mounted at the bottom of the lifting frame (8); the reduction gear disc (605) and the transmission gear disc (604) are fixedly mounted inside the bogie (601); the outer wall of the transmission gear disc (604) is meshedly connected with the outer wall of the reduction gear disc (605); the driving motor (603) is fixedly mounted at the top of the bogie (601); the output end of the driving motor (603) is fixedly sleeved with the transmission gear disc (604); the bottom end of the reduction gear disc (605) is fixedly connected with the connecting rotating rod (602); and the bottom end of the connecting rotating rod (602) is fixedly connected to the top of the connecting frame (3).

5. A battery separator cutting device according to claim 1, It is characterized in that A servo hydraulic cylinder (10) is fixedly sleeved inside the cutting machine box (1), and a hydraulic support rod inside the servo hydraulic cylinder (10) is fixedly sleeved with a lifting frame (8).

6. A battery separator cutting device according to claim 4, It is characterized in that A motor frame (12) is fixedly sleeved on the top of the bogie (601), and the motor frame (12) is sleeved with a driving motor (603).

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