Pole piece cutting device

Abstract

The utility model relates to the technical field of pole piece processing, and discloses a pole piece cutting device which solves the technical problems that a battery pole piece can be cut through extrusion of a first cutting knife and a second cutting knife, but an opening and closing space of a first knife holder and an installation space of a driving mechanism need to be reserved, the space requirement is high, and the pole piece cutting device is difficult to use in a narrow place. Comprising a base and a support, a lead screw is rotationally connected into the base, one end of the lead screw is connected with a motor, the lead screw is in threaded connection with a sliding table, the sliding table is slidably connected with the base, a blade is fixedly installed in the middle of the top end of the sliding table, the support is fixedly arranged at the top end of the base, and a protective cover is fixedly connected to one side of the support; the motor drives the lead screw, the lead screw can drive the blade to horizontally move through the sliding table, the blade can cut the pole piece through horizontal movement, the situation that the pole piece is cut in the mode of opening and closing a cutter is avoided, the requirement for space during operation is lowered, and the pole piece cutting device can be used in a narrow place.

Description

Technical Field

[0001] The utility model relates to the technical field of pole piece processing, in particular to a pole piece cutting device. Background Art

[0002] The pole piece is an important part of the battery, which is divided into positive pole piece and negative pole piece. The positive pole piece is a lithium ion slurry coated on the aluminum foil, and the negative pole piece is a graphite slurry coated on the copper foil. The quality of the pole piece plays a vital role in the performance of the battery. In the process of producing pole pieces, it is often necessary to cut them by a cutting machine.

[0003] According to the "Battery Pole Sheet Cutting Device and Equipment" provided by China Patent Authorization Announcement No. CN219966567U, the battery pole sheet can be cut by squeezing the first cutting knife and the second cutting knife, but the first knife holder needs to be driven by a driving mechanism to open and close it in order to achieve the cutting of the battery pole sheet. The opening and closing space of the first knife holder and the installation space of the driving mechanism need to be reserved. The space requirement is high, and it is difficult to use in narrow places. In addition, it is difficult to limit the pole sheet during the cutting process, and the displacement and looseness of the pole sheet will reduce the cutting quality. Utility Model Content

[0004] The utility model provides a pole piece cutting device, which solves the technical problem that the battery pole piece can be cut by squeezing a first cutting knife and a second cutting knife, but the opening and closing space of the first knife seat and the installation space of the driving mechanism need to be reserved, the space requirement is high, and it is difficult to use in a narrow place.

[0005] In order to solve the above technical problems, the utility model provides a pole piece cutting device, including a base and a bracket, the base is internally rotatably connected with a screw rod, one end of the screw rod is connected to a motor, the screw rod is threadedly connected to a slide, the slide is slidably connected to the base, a blade is fixedly installed in the middle of the top of the slide, the top of the base is fixedly provided with a bracket, a rectangular groove is opened at the bottom of one side of the bracket, one side of the bracket is fixedly connected to a protective cover, the inner walls on both sides of the top of the bracket are fixedly provided with electromagnets, the bottom ends of the two electromagnets are provided with adsorption plates, the two adsorption plates are slidably connected to the inner walls on both sides of the top of the bracket through two guide pillars, the surfaces of the four guide pillars are sleeved with springs, and the bottom ends of the two adsorption plates are fixedly connected with clamping plates through two connecting rods.

[0006] Preferably, the motor is fixedly connected to one side of the base, the output shaft of the motor is fixedly connected to one end of the screw rod, the front side of the base is fixedly connected to a cover plate by screws, the bottom of both sides of the motor are fixedly provided with positioning plates, and two positioning holes are provided on the surfaces of the two positioning plates.

[0007] Preferably, a guide rail is fixedly provided on the inner wall of the bottom end of the base, the bottom end of the sliding table is slidably connected to the guide rail, a chute is opened at the top end of the base, and the top of the guide rail is slidably connected to the chute.

[0008] Preferably, the top ends of the four guide posts are respectively fixedly connected to the inner walls on both sides of the top end of the bracket. Column grooves are opened on both sides of the two suction plates. The two suction plates are respectively slidably connected to the four guide posts through the column grooves on both sides. Limit blocks are fixedly provided at the bottom ends of the four guide posts, and the diameters of the four limit blocks are larger than the diameters of the four column grooves.

[0009] Preferably, a threaded sleeve is embedded in the middle of the sliding table, and the threaded sleeve is threadedly connected to the lead screw.

[0010] Preferably, the bottom ends of the four springs are respectively lapped with the two suction plates, and the top ends of the four springs are respectively lapped with the inner walls on both sides of the bottom end of the bracket.

[0011] Compared with the related art, the beneficial effects of the present utility model are as follows:

[0012] The present utility model provides a pole piece cutting device. By driving the lead screw with a motor, the lead screw can drive the blade to move horizontally through the sliding table. The blade can cut the pole piece through horizontal movement, avoiding the way of opening and closing the cutting knife to cut the pole piece, reducing the space requirement during operation, and being able to be used in narrow places. By driving the lead screw to rotate reversely with the motor, the blade can move reversely. The blade can enter the inside of the protective cover through the rectangular groove, facilitating the storage of the blade, being able to avoid the contact between the human body and the blade when taking and placing the pole piece, resulting in harm to the human body, and being convenient for the next cutting activity;

[0013] By energizing the electromagnet to make it fully magnetic, the electromagnet can adsorb the suction plate. The suction plate can compress the spring and fit the electromagnet, thereby lifting the two clamping plates, facilitating the laying of the pole piece at the bottom ends of the two clamping plates. By de-energizing the electromagnet to make it lose magnetism, the spring can exert pressure on the two suction plates during the reset process. The two suction plates can transmit the pressure to the pole piece through the clamping plates, facilitating the rapid positioning of the pole piece. During the cutting process, the firmness and stability of the pole piece can be ensured, avoiding its loosening and displacement, and ensuring the cutting quality of the pole piece. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the present utility model;

[0015] Figure 2 is a schematic sectional structural diagram of the base of the present utility model;

[0016] Figure 3 is an enlarged schematic structural diagram of part A of the present utility model;

[0017] Figure 4 This is a schematic structural diagram of the adsorption plate of the present utility model.

[0018] Reference numerals in the figure: 1, base; 2, cover plate; 3, motor; 4, positioning plate; 5, guide rail; 6, chute; 7, lead screw; 8, sliding table; 9, threaded sleeve; 10, blade; 11, bracket; 12, rectangular groove; 13, protective cover; 14, electromagnet; 15, adsorption plate; 16, column groove; 17, guide post; 18, spring; 19, limit block; 20, connecting rod; 21, clamping plate. Specific embodiments

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments; based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0020] Refer to Figures 1-4 , a pole piece cutting device, including a base 1 and a bracket 11. A lead screw 7 is rotatably connected inside the base 1. One end of the lead screw 7 is connected to a motor 3. The lead screw 7 is threadedly connected to a sliding table 8. The sliding table 8 is slidably connected to the base 1. A blade 10 is fixedly installed in the middle of the top of the sliding table 8. A bracket 11 is fixedly provided at the top of the base 1. A rectangular groove 12 is opened at the bottom of one side of the bracket 11. A protective cover 13 is fixedly connected to one side of the bracket 11. Electromagnets 14 are fixedly provided on the inner walls of both sides at the top of the bracket 11. Adsorption plates 15 are provided at the bottom ends of the two electromagnets 14. The two adsorption plates 15 are respectively slidably connected to the inner walls of both sides at the top of the bracket 11 through two guide posts 17. Springs 18 are sleeved on the surfaces of the four guide posts 17. Clamping plates 21 are fixedly connected to the bottom ends of the two adsorption plates 15 through two connecting rods 20. By driving the lead screw 7 by the motor 3, the lead screw 7 can drive the blade 10 to move horizontally through the sliding table 8. The blade 10 can cut the pole piece through horizontal movement, avoiding cutting the pole piece by the way of opening and closing the cutting knife, reducing the space requirement during operation, and can be used in narrow places.

[0021] Refer to Figure 1 and Figure 2 , the motor 3 is fixedly connected to one side of the base 1. The output shaft of the motor 3 is fixedly connected to one end of the lead screw 7. The front surface of the base 1 is fixedly connected to a cover plate 2 by screws. Positioning plates 4 are fixedly provided at the bottoms of both sides of the motor 3. Two positioning holes are opened on the surfaces of the two positioning plates 4. The base 1 can be fixed through the positioning holes of the positioning plates 4. By opening the cover plate 2, the inside of the base 1 can be repaired.

[0022] Refer to Figure 2, a guide rail 5 is fixedly arranged on the inner wall of the bottom end of the base 1, the bottom end of the sliding table 8 is slidably connected with the guide rail 5, a chute 6 is formed at the top end of the base 1, and the top of the guide rail 5 is slidably connected with the chute 6. The sliding table 8 can be guided by the guide rail 5 and the chute 6, which can ensure the stability of the sliding table 8 during horizontal movement.

[0023] Refer to Figure 3 and Figure 4 , the top ends of the four guide posts 17 are respectively fixedly connected with the inner walls on both sides of the top end of the bracket 11. Column grooves 16 are formed on both sides of the two suction plates 15. Both sides of the two suction plates 15 are respectively slidably connected with the four guide posts 17 through the column grooves 16. Limit blocks 19 are fixedly arranged at the bottom ends of the four guide posts 17. The diameters of the four limit blocks 19 are larger than the diameters of the four column grooves 16. The height of the suction plate 15 can be limited by the limit block 19, which can prevent the suction plate 15 from falling off the guide post 17.

[0024] Refer to Figure 2 , a threaded sleeve 9 is embedded in the middle of the sliding table 8. The threaded sleeve 9 is threadedly connected with the lead screw 7. The rotational motion of the lead screw 7 can be converted into the linear motion of the sliding table 8 through the threaded sleeve 9.

[0025] Refer to Figure 3 , the bottom ends of the four springs 18 are respectively lapped with the two suction plates 15, and the top ends of the four springs 18 are respectively lapped with the inner walls on both sides of the bottom end of the bracket 11. Stable support can be provided between the bracket 11 and the two suction plates 15 through the four springs 18.

[0026] In summary, in the present utility model, the staff first makes the electromagnet 14 energized and fully magnetic. The electromagnet 14 can adsorb the suction plate 15. The suction plate 15 can compress the spring 18 and fit the electromagnet 14, so as to lift the two clamping plates 21. Then, the pole piece is laid at the bottom ends of the two clamping plates 21. Then, the electromagnet 14 is powered off and loses its magnetism. During the reset process, the spring 18 can exert pressure on the two suction plates 15. The two suction plates 15 can transmit the pressure to the pole piece through the clamping plates 21, so as to quickly position the pole piece. After that, the lead screw 7 is driven by the motor 3. The lead screw 7 can convert the rotational motion into the linear motion of the sliding table 8 through the threaded sleeve 9. The sliding table 8 can drive the blade 10 to move horizontally, so as to cut the pole piece. After the cutting is completed, the staff drives the lead screw 7 to rotate reversely through the motor 3, so that the blade 10 moves reversely. The blade 10 can enter the inside of the protective cover 13 through the rectangular groove 12, so as to store the blade 10, which can avoid the human body from contacting the blade 10 when taking and placing the pole piece and causing harm to the human body. Finally, the electromagnet 14 is energized and fully magnetic, so as to lift the clamping plate 21 and remove the pole piece.

[0027] It should be noted that in this text, 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 terms "comprising", "including" or any other variation thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0028] 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 principles 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 pole piece cutting device, comprising a base (1) and a bracket (11), characterized in that: Inside the base (1), a lead screw (7) is rotatably connected. One end of the lead screw (7) is connected to a motor (3). The lead screw (7) is threadedly connected to a sliding table (8). The sliding table (8) is slidably connected to the base (1). In the middle of the top of the sliding table (8), a blade (10) is fixedly installed. On the top of the base (1), a bracket (11) is fixedly provided. At the bottom of one side of the bracket (11), a rectangular groove (12) is formed. On one side of the bracket (11), a protective cover (13) is fixedly connected. On the inner walls of both sides at the top of the bracket (11), electromagnets (14) are fixedly provided. At the bottom of both of the electromagnets (14), adsorption plates (15) are provided. Both of the adsorption plates (15) are slidably connected to the inner walls of both sides at the top of the bracket (11) through two guide posts (17) respectively. On the surfaces of the four guide posts (17), springs (18) are sleeved. At the bottom of both of the adsorption plates (15), clamping plates (21) are fixedly connected through two connecting rods (20).

2. The pole piece cutting device according to claim 1, characterized in that The motor (3) is fixedly connected to one side of the base (1). The output shaft of the motor (3) is fixedly connected to one end of the lead screw (7). On the front of the base (1), a cover plate (2) is fixedly connected by screws. At the bottom of both sides of the motor (3), positioning plates (4) are fixedly provided. On the surfaces of both of the positioning plates (4), two positioning holes are formed.

3. The pole piece cutting device according to claim 1, wherein, On the inner wall at the bottom of the base (1), a guide rail (5) is fixedly provided. The bottom of the sliding table (8) is slidably connected to the guide rail (5). On the top of the base (1), a chute (6) is formed. The top of the guide rail (5) is slidably connected to the chute (6).

4. A pole piece cutting device according to claim 1, characterized in that, The tops of the four guide posts (17) are respectively fixedly connected to the inner walls of both sides at the top of the bracket (11). On both sides of both of the adsorption plates (15), column grooves (16) are formed. On both sides of both of the adsorption plates (15), they are respectively slidably connected to the four guide posts (17) through the column grooves (16). At the bottom of the four guide posts (17), limit blocks (19) are fixedly provided. The diameters of the four limit blocks (19) are all larger than the diameters of the four column grooves (16).

5. A pole piece cutting device according to claim 1, characterized in that, In the middle of the sliding table (8), a threaded sleeve (9) is embedded. The threaded sleeve (9) is threadedly connected to the lead screw (7).

6. The pole piece cutting device according to claim 1, characterized in that, The bottoms of the four springs (18) are respectively lapped with the two adsorption plates (15). The tops of the four springs (18) are respectively lapped with the inner walls of both sides at the bottom of the bracket (11).

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