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CN-224226295-U - Lithium battery diaphragm coating unreeling device

CN224226295UCN 224226295 UCN224226295 UCN 224226295UCN-224226295-U

Abstract

The utility model discloses lithium battery diaphragm coating unreeling equipment which comprises a diaphragm material conveying guide assembly, wherein a reel changing press roll assembly is arranged on the right side of the diaphragm material conveying guide assembly, a clockwise cutting assembly is arranged on the upper side of the reel changing press roll assembly, a counterclockwise cutting assembly is arranged on the lower side of the reel changing press roll assembly, a rotating tower capable of rotating clockwise or counterclockwise is arranged on the right side of the reel changing press roll assembly, a first unreeling shaft and a second unreeling shaft are respectively arranged at two opposite ends of the rotating tower, the reel changing press roll assembly comprises a press roll in-place cylinder and a press roll arranged at the right end of the press roll in-place cylinder, and the diaphragm material on the first unreeling shaft or the second unreeling shaft bypasses the press roll and the diaphragm material conveying guide assembly to be conveyed. The utility model can rapidly and accurately finish the work of unreeling and reel changing of the base material under the condition of no stop and no deceleration, and greatly improves the productivity of the equipment.

Inventors

  • YANG JIYUAN
  • Xiang Dezhen
  • Sun Dunxiang

Assignees

  • 上海福赛特智能设备有限公司

Dates

Publication Date
20260512
Application Date
20250613

Claims (8)

  1. 1. A lithium battery diaphragm coating unreeling device comprises a film material conveying guide component and is characterized in that a reel changing press roller component is arranged on the right side of the film material conveying guide component, a clockwise cutting component (A) is arranged on the upper side of the reel changing press roller component, a counterclockwise cutting component (B) is arranged on the lower side of the reel changing press roller component, a rotating tower (17) capable of rotating clockwise or counterclockwise is arranged on the right side of the reel changing press roller component, a first unreeling shaft (15) and a second unreeling shaft (16) are respectively arranged at two opposite ends of the rotating tower (17), the reel changing press roller component comprises a press roller in-place cylinder (6) and a press roller (4) arranged at the right end of the press roller in-place cylinder (6), and a film material (14) on the first unreeling shaft (15) or the second unreeling shaft (16) bypasses the press roller (4) and the film material conveying guide component to convey.
  2. 2. The lithium battery diaphragm coating unreeling device of claim 1, wherein the clockwise cutting assembly (A) comprises a first cutter in-place cylinder (3), a first connecting plate arranged on an extending rod of the first cutter in-place cylinder (3) and a first cutter high-speed cylinder (2) arranged on the first connecting plate, and a first cutter (1) is arranged on the extending rod of the first cutter high-speed cylinder (2).
  3. 3. The lithium battery diaphragm coating unreeling device of claim 2, wherein the first cutter high-speed cylinder (2) is arranged obliquely downwards from left to right.
  4. 4. The lithium battery diaphragm coating unreeling device of claim 1 or 2, wherein the anticlockwise cutting assembly (B) comprises a second cutter in-place cylinder (9), a second connecting plate arranged on an extending rod of the second cutter in-place cylinder (9) and a second cutter high-speed cylinder (8) arranged on the second connecting plate, and a second cutter (7) is arranged on the extending rod of the second cutter high-speed cylinder (8).
  5. 5. The lithium battery diaphragm coating unreeling device of claim 4, wherein the second cutter high-speed cylinder (8) is arranged obliquely upwards from left to right.
  6. 6. The lithium battery diaphragm coating unreeling device of claim 4, wherein a third connecting plate is arranged on an extending rod of the compression roller in-place cylinder (6), a compression roller cylinder (5) is arranged on the third connecting plate, and the compression roller (4) is arranged on the extending rod of the compression roller cylinder (5).
  7. 7. The lithium battery separator coating and unreeling device of claim 1, wherein a plurality of turret passing rollers (13) are arranged on the turret (17) at a position between the first unreeling shaft (15) and the second unreeling shaft (16).
  8. 8. The lithium battery diaphragm coating unreeling device of claim 6, wherein the film conveying guide assembly comprises a conveying roller (18), a swinging roller (12) positioned at the side part of the conveying roller (18), a tension detection roller (11) positioned at the upper side of the conveying roller (18) and a regulating roller (10) positioned at the left side of the reeling and compression roller assembly, the swinging roller (12) is kept thrust by a low-friction cylinder, and the regulating roller (10) can regulate positions in the left-right direction and the up-down direction.

Description

Lithium battery diaphragm coating unreeling device Technical Field The utility model relates to the technical field of lithium ion battery diaphragm coating, in particular to lithium ion battery diaphragm coating unreeling equipment. Background In the lithium battery separator coating generation, discharging of the lithium battery separator is a very important process flow. Tension control, continuous stability of high-speed discharging, no stop and no deceleration of material changing rolls in high-speed production and the like are very complex and important technological processes. In order to ensure stability, the existing lithium battery diaphragm production and unreeling equipment basically have the speed of 100 meters per minute, and can greatly improve the production speed under the condition of ensuring stable production quality, but the production equipment needs to stop and manually change rolls when the unreeling equipment changes rolls, the manual roll changing efficiency is low, the stop time is long, errors are easily caused, the production efficiency is influenced, and the equipment use cost is high. Disclosure of utility model The utility model provides lithium battery diaphragm coating unreeling equipment, which can solve various problems caused by shutdown and manual reel replacement when the existing unreeling equipment is used for reel replacement. The film material conveying guide assembly comprises a film material conveying guide assembly, wherein the right side of the film material conveying guide assembly is provided with a film material conveying roller assembly, the upper side of the film material conveying guide assembly is provided with a clockwise cutting assembly, the lower side of the film material conveying roller assembly is provided with a anticlockwise cutting assembly, the right side of the film material conveying roller assembly is provided with a clockwise or anticlockwise rotating turret, two opposite ends of the turret are respectively provided with a first unreeling shaft and a second unreeling shaft, the film material conveying roller assembly comprises a pressing roller in-place cylinder and a pressing roller arranged at the right end of the pressing roller in-place cylinder, and the film material on the first unreeling shaft or the second unreeling shaft bypasses the pressing roller and the film material conveying guide assembly. Preferably, the clockwise cutting assembly comprises a first cutter in-place cylinder, a first connecting plate arranged on an extending rod of the first cutter in-place cylinder and a first cutter high-speed cylinder arranged on the first connecting plate, wherein a fixing frame for fixing the first cutter is arranged on the extending rod of the first cutter high-speed cylinder, and the first cutter in-place cylinder and the first cutter high-speed cylinder are matched with each other so that the first cutter can be quickly moved to a cutting position to be quickly extended for cutting. Preferably, the first cutter high-speed cylinder is obliquely arranged downwards from left to right, and can cut from the oblique downwards without interference. Preferably, the anti-clockwise cutting assembly comprises a second cutter in-place cylinder, a second connecting plate arranged on an extending rod of the second cutter in-place cylinder and a second cutter high-speed cylinder arranged on the second connecting plate, wherein a fixing frame for fixing the second cutter is arranged on the extending rod of the second cutter high-speed cylinder, and the second cutter in-place cylinder and the second cutter high-speed cylinder are matched with each other so that the second cutter can be quickly moved to a cutting position to be quickly extended for cutting. Preferably, the second cutter high-speed cylinder is obliquely upward from left to right, and can cut from the oblique upward without interference. Preferably, a third connecting plate is arranged on the extending rod of the in-place compression roller cylinder, the compression roller cylinder is arranged on the third connecting plate, the compression roller is arranged on the extending rod of the compression roller cylinder, the compression roller can be quickly brought to a cutting position by the in-place compression roller cylinder through the arrangement of the third connecting plate, and the compression roller cylinder drives the compression roller to quickly extend out to press the film material, so that the compression roller is accurate and quick. Preferably, a plurality of turret pass rollers are arranged on the turret at positions between the first unreeling shaft and the second unreeling shaft, and the film materials connected with the first unreeling shaft and the second unreeling shaft can be straightened and guided when the reel is replaced through the turret pass rollers, so that the film materials can keep tension, and the cutting knife is convenient to cut. Preferably, the film co