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CN-224208174-U - Grinder to lithium cell barrier film

CN224208174UCN 224208174 UCN224208174 UCN 224208174UCN-224208174-U

Abstract

The utility model discloses a grinding device for a lithium battery isolation film, which relates to the field of grinding of lithium battery isolation films and comprises a pretreatment component, wherein a main gear and a pinion are rotatably connected to the top of an inner cavity of the pretreatment component, a first grinding roller and a second grinding roller are rotatably connected to the inner cavity of the pretreatment component, a grinding barrel is arranged at the bottom of the pretreatment component, a grinding component is arranged in the inner cavity of the grinding barrel, an eccentric wheel is rotatably connected to the inner cavity of the grinding component, a contact rod is arranged on the outer wall of the grinding barrel, a first servo motor is arranged at the top of the pretreatment component, a feed pipe is arranged on the side edge of the pretreatment component, and a filter screen is arranged at the bottom of the inner cavity of the pretreatment component. According to the grinding device for the lithium battery isolating film, disclosed by the utility model, the raw materials of the lithium battery isolating film can be pretreated and then ground, so that the grinding efficiency and the grinding precision can be effectively improved based on the raw materials.

Inventors

  • LAI ZHENGHAN

Assignees

  • 无锡溥汇机械科技有限公司

Dates

Publication Date
20260508
Application Date
20250423

Claims (6)

  1. 1. The grinding device for the lithium battery isolating film comprises a pretreatment component (1) and is characterized in that a main gear (5) and a secondary gear (6) are rotatably connected to the top of an inner cavity of the pretreatment component (1), and a first grinding roller (7) and a second grinding roller (8) are rotatably connected to the inner cavity of the pretreatment component (1); The bottom of pretreatment subassembly (1) is installed grinding vat (9), install grinding subassembly (14) in the inner chamber of grinding vat (9), rotate in the inner chamber of grinding subassembly (14) and be connected with eccentric wheel (16), the outer wall of grinding vat (9) is provided with contact rod (20).
  2. 2. The grinding device for the lithium battery isolation film according to claim 1, wherein a first servo motor (2) is arranged at the top of the pretreatment component (1), a feed pipe (3) is arranged at the side edge of the pretreatment component (1), and a filter screen (4) is arranged at the bottom of an inner cavity of the pretreatment component (1).
  3. 3. The grinding device for the lithium battery isolation film according to claim 2, wherein two main gears (5) are arranged, two auxiliary gears (6) are arranged, the main gears (5) and the auxiliary gears (6) are meshed with each other, the bottom of the first servo motor (2) is arranged at the top of one main gear (5) through a first rotating shaft, the first grinding roller (7) is arranged at the bottom of the main gear (5), and the second grinding roller (8) is arranged at the bottom of the auxiliary gear (6).
  4. 4. The grinding device for the lithium battery isolating film according to claim 1, wherein an elastic belt (13) is arranged at the top of one side opposite to the outer wall of the grinding component (14) and the inner wall of the grinding barrel (9), the pretreatment component (1) is communicated with the inner cavity of the grinding barrel (9) through a filter screen (4), and a lug (15) is arranged on the inner wall of the grinding component (14).
  5. 5. The grinding device for the lithium battery isolating film according to claim 1, wherein a screen (11) is installed at the bottom of an inner cavity of the grinding assembly (14), a second servo motor (12) is installed at the bottom of the screen (11), and the top of the second servo motor (12) is installed at the bottom of the eccentric wheel (16) through a second rotating shaft.
  6. 6. The grinding device for the lithium battery isolation film according to claim 1, wherein a spring (17) is installed on the inner wall of the grinding barrel (9), the other end of the spring (17) is installed on the outer wall of the grinding assembly (14), a material suction pipe (10) is installed at the bottom of the outer wall of the grinding barrel (9), a material suction pump is connected to the outer wall flange of the material suction pipe (10), the material suction pipe (10) is located at the bottom of the screen (11), a through groove (18) is formed in the outer wall of the grinding barrel (9), a rotary motor (19) is installed on the outer wall of the grinding barrel (9), the top of the rotary motor (19) is installed at the bottom of a contact rod (20) through a third rotary shaft, and the contact rod (20) is used for contacting with the grinding assembly (14) through the through groove (18).

Description

Grinder to lithium cell barrier film Technical Field The utility model relates to the field of grinding of lithium battery isolation films, in particular to a grinding device for a lithium battery isolation film. Background The lithium battery isolating film is one of the key inner layer components in the lithium battery structure. The performance of the diaphragm determines the interface structure, internal resistance and the like of the battery, directly influences the capacity, circulation, safety performance and other characteristics of the battery, and the diaphragm with excellent performance plays an important role in improving the comprehensive performance of the battery. The separator has the main function of separating the positive electrode from the negative electrode of the battery, preventing the two electrodes from being contacted and short-circuited, and also has the function of passing electrolyte ions. The separator material is non-conductive, and its physicochemical properties have a great influence on the performance of the battery. The type of battery is different, and the separator used is also different. In the lithium battery system, since the electrolyte is an organic solvent system, a separator material resistant to an organic solvent is required, and a polyolefin porous film having a high strength and a thin film is generally used. When carrying out the grinding treatment of raw and other materials for the lithium cell barrier film, the size of its material is different, when needs grind the raw and other materials of bulky, grinder can receive certain influence, and the phenomenon emergence of shut down can appear seriously for the efficiency and the precision of grinding all can receive the influence. Therefore, it is necessary to provide a polishing apparatus for a lithium battery separator to solve the above problems. Disclosure of utility model The utility model mainly aims to provide a grinding device for a lithium battery isolating film, which can effectively solve the problems in the background technology. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: The grinding device for the lithium battery isolating film comprises a pretreatment component, wherein a main gear and a pinion are rotatably connected to the top of an inner cavity of the pretreatment component, and a first grinding roller and a second grinding roller are rotatably connected to the inner cavity of the pretreatment component; The bottom of pretreatment subassembly is installed the grinding vat, install the grinding subassembly in the inner chamber of grinding vat, rotate in the inner chamber of grinding subassembly and be connected with the eccentric wheel, the outer wall of grinding vat is provided with the contact lever. Preferably, a first servo motor is arranged at the top of the pretreatment component, a feed pipe is arranged at the side edge of the pretreatment component, and a filter screen is arranged at the bottom of the inner cavity of the pretreatment component. Preferably, the number of the main gears is two, the number of the auxiliary gears is two, the main gears and the auxiliary gears are meshed with each other, the bottom of the first servo motor is arranged at the top of one main gear through a first rotating shaft, the first crushing roller is arranged at the bottom of the main gear, and the second crushing roller is arranged at the bottom of the auxiliary gear. Preferably, an elastic belt is arranged at the top of one side opposite to the outer wall of the grinding component and the inner wall of the grinding barrel, the pretreatment component is communicated with the inner cavity of the grinding barrel through a filter screen, and a bump is arranged on the inner wall of the grinding component. Preferably, the bottom of grinding component inner chamber is installed the screen cloth, the second servo motor is installed to the bottom of screen cloth, the top of second servo motor is installed in the bottom of eccentric wheel through the second pivot. Preferably, the spring is installed to the inner wall of grinding vessel, the outer wall at grinding component is installed to the other end of spring, take out the material pipe is installed to the bottom of grinding vessel outer wall, take out the outer wall flange joint of material pipe has a pump of taking out the material, it is located the bottom of screen cloth to take out the material pipe, logical groove has been seted up to the outer wall of grinding vessel, the rotating electrical machines is installed to the outer wall of grinding vessel, the bottom at the contact lever is installed through the third pivot at the top of rotating electrical machines, the contact lever is used for permeating logical groove and grinding component contact. Compared with the prior art, the utility model has the following beneficial effects: This grinder to lithium cell barrier film through the first