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CN-224212068-U - Battery diaphragm fixed-width slitting device

CN224212068UCN 224212068 UCN224212068 UCN 224212068UCN-224212068-U

Abstract

The utility model relates to the technical field of battery diaphragm production equipment and discloses a battery diaphragm fixed-width slitting device which comprises a base, wherein an unreeling unit is arranged at the top of the base, two threading rollers are rotatably connected to the top of the base, an adjusting assembly is arranged at the top of the base, a winding assembly is arranged at the top of the base, a compressing assembly is arranged at the top of the base, the adjusting assembly comprises an air cylinder, and the output end of the air cylinder is fixedly connected with a connecting angle. According to the utility model, the starting cylinder drives the connecting angle to linearly displace, the adjacent slide bars are fixed or movably connected through the rotating shaft, and the adjacent slide bars synchronously move when the right slide bar is pushed, so that the plurality of slide bars are opened and closed at equal intervals, the blades displace along with the slide bars, the cutting requirements of diaphragms with different widths are met, the cutting width is accurately controlled, the accurate adjustment of the blade spacing is realized, the cutting precision and consistency are ensured, different specifications are adapted, the mold changing time is shortened, and the efficiency is improved.

Inventors

  • WU QIANG
  • GUO HONGMING
  • MAO HUA

Assignees

  • 江西康墨新能源技术开发有限公司

Dates

Publication Date
20260508
Application Date
20250618

Claims (8)

  1. 1. The battery diaphragm width-fixing and slitting device comprises a base (1) and is characterized in that an unreeling unit (2) is arranged at the top of the base (1), two threading rollers (12) are rotatably connected to the top of the base (1), an adjusting component is arranged at the top of the base (1), a reeling component is arranged at the top of the base (1), and a compacting component is arranged at the top of the base (1); The adjusting component comprises an air cylinder (3), the output end of the air cylinder (3) is fixedly connected with a connecting angle (10), two sliding rails (4) are fixedly connected to the outer side of a base (1), a plurality of sliding rods (5) are arranged on the outer side of the base (1), the sliding rods (5) are sequentially arranged from left to right, the left side of the sliding rods (5) are fixedly connected to the two sliding rails (4), the other sliding rods (5) are fixedly connected to the two sliding rails (4) in a sliding manner, a first rotating shaft (8) is fixedly connected to the middle of the sliding rods (5), a second supporting plate (7) is rotationally connected to the outer side of the first rotating shaft (8), a second rotating shaft (9) is rotationally connected to the two ends of the first supporting plate (6), and a cutter blade (11) is fixedly connected to the bottom of the sliding rods (5).
  2. 2. The battery diaphragm fixed-width slitting device of claim 1, wherein the compressing assembly comprises a compressing roller (14), connecting blocks (17) are fixedly connected to two ends of the compressing roller (14), fixing rods (18) are slidably connected to the outer sides of the connecting blocks (17), springs II (19) are fixedly connected to the tops of the connecting blocks (17), a plurality of limiting rods (20) are fixedly connected to the outer sides of the compressing roller (14), two springs I (13) are fixedly connected to the inner portions of the limiting rods (20), fixing blocks (23) are fixedly connected to the other ends of the springs I (13), limiting blocks (24) are fixedly connected to the inner portions of the fixing blocks (23), connecting rods (21) are fixedly connected to the outer sides of the limiting blocks (24), and idler wheels (22) are rotatably connected to the inner portions of the connecting rods (21).
  3. 3. The battery diaphragm fixed-width slitting device according to claim 1, wherein the winding assembly comprises a motor (16), the motor (16) is fixedly connected to the outer side of the base (1), and the output end of the motor (16) is fixedly connected with a winding roller (15).
  4. 4. The battery diaphragm fixed-width slitting device according to claim 2, wherein the connecting block (17) is slidably connected inside the base (1), the fixing rod (18) is fixedly connected inside the base (1), and the other end of the second spring (19) is fixedly connected inside the base (1).
  5. 5. The device for dividing and cutting the battery diaphragm according to claim 2, wherein the fixed block (23) is rotatably connected inside the limiting rod (20), and the limiting block (24) is rotatably connected outside the limiting rod (20).
  6. 6. The battery diaphragm fixed-width slitting device according to claim 1, wherein the air cylinder (3) is fixedly connected to the outer side of the base (1).
  7. 7. The battery diaphragm fixed-width slitting device according to claim 1, wherein the connecting angle (10) is fixedly connected to the top of the sliding rod (5) on the right side.
  8. 8. The device for dividing and cutting the battery diaphragm according to claim 1, wherein the first supporting plate (6) is positioned outside the second supporting plate (7).

Description

Battery diaphragm fixed-width slitting device Technical Field The utility model relates to the technical field of battery diaphragm production equipment, in particular to a battery diaphragm fixed-width slitting device. Background The battery diaphragm is a key material for separating the anode and the cathode of the battery, has the functions of short circuit prevention and ion conduction, has the performance of directly influencing the safety and the service life of the battery, and has the characteristics of electronic insulation, chemical stability and the like. The slitting device accurately slits wide-width materials into narrow-width strips through unreeling, slitting, reeling and intelligent monitoring, and automatic processing is achieved. In battery production, the slitting device divides the coiled diaphragm into strips adapting to the specification of the battery cells through a disc cutter, laser and other modes, the slitting precision of the slitting device is related to the suitability and the safety of diaphragm assembly, the efficiency determines the processing productivity, the high-efficiency equipment can improve the production consistency, the cost is reduced, the yield is improved, and the slitting device is a key link of the diaphragm for the battery cell assembly, and the slitting device and the diaphragm cooperate to ensure the production quality and the efficiency of the battery. In the existing battery diaphragm slitting technology, the widths of the battery diaphragms have quite different specification requirements due to the differences of application scenes and performance requirements. However, the blade width of the traditional slitting device is often difficult to flexibly adjust, and if diaphragms with different specifications are to be produced, the whole set of slitting tools are often required to be replaced, so that time and labor are consumed, and the production cost is greatly increased. Meanwhile, as the battery diaphragm is thin and soft, an effective compression component is lacking, the situation is frequent in the rolling process, such as easy loosening, wrinkling caused by gaps between layers, edge warping, uneven rolling density, poor rolling stability and low production efficiency are caused because the requirements of compactness, flatness and the like cannot be met, and the battery diaphragm fixed-width slitting device is provided for solving the problems. Disclosure of utility model In order to make up for the defects, the utility model provides a battery diaphragm fixed-width slitting device, and aims to solve the problems that the conventional battery diaphragm slitting technology is difficult in blade width adjustment, and has a plurality of winding problems due to the fact that an effective compression assembly is not available. In order to achieve the aim, the battery diaphragm fixed-width slitting device comprises a base, wherein an unreeling unit is arranged at the top of the base, two threading rollers are rotatably connected to the top of the base, an adjusting component is arranged at the top of the base, a reeling component is arranged at the top of the base, and a compacting component is arranged at the top of the base; The adjusting component comprises a cylinder, the output fixedly connected with angle of connection of cylinder, two slide rails of base outside fixedly connected with, the base outside is provided with a plurality of slide bars, and is a plurality of the slide bar sets gradually from left to right, and the left side slide bar fixed connection is two between the slide rail, other slide bar equal sliding connection is two between the slide rail, slide bar middle part fixedly connected with pivot one, pivot one outside rotation is connected with backup pad two, pivot one outside rotation is connected with backup pad one, backup pad one both ends all rotate and are connected with pivot two, pivot two rotate and are connected with backup pad two ends, slide bar bottom fixedly connected with blade. As a further description of the above technical solution: The compression assembly comprises a compression roller, the equal fixedly connected with connecting block in compression roller both ends, connecting block outside sliding connection has the dead lever, connecting block top fixedly connected with spring two, compression roller outside fixedly connected with a plurality of gag lever posts, two spring one of gag lever post inside fixedly connected with, spring one other end fixedly connected with fixed block, the inside fixedly connected with stopper of fixed block, stopper outside fixedly connected with connecting rod, the inside gyro wheel of rotating connection of connecting rod. As a further description of the above technical solution: The winding assembly comprises a motor, the motor is fixedly connected to the outer side of the base, and the output end of the motor is fixedly connected with a winding roller. As a further descrip