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CN-224221769-U - Single-sided double-layer extrusion slit coater

CN224221769UCN 224221769 UCN224221769 UCN 224221769UCN-224221769-U

Abstract

The utility model relates to a single-sided double-layer extrusion slit coater which comprises a case, an oven and a vertical frame, wherein the case, the oven and the vertical frame are sequentially arranged, a deviation rectifying mechanism is arranged on the case, a winding drum is arranged on the deviation rectifying mechanism, a swinging rod is rotatably arranged on the case, an elastic roller is arranged on the swinging rod, a first guide roller is arranged on the case, a first crack spraying head is arranged on the case, a mounting block is slidably arranged on the case, a second crack spraying head is arranged on the mounting block, a plurality of second guide rollers are arranged on the vertical frame, a first motor works to drive a first threaded rod to rotate and matched with a sliding block in threaded connection to drive a drum seat to move along the guide rail through the guide block, and further position adjustment is carried out on the winding drum and the winding drum, so that deviation rectifying operation is realized, and the positive pole piece and the negative pole piece of a lithium battery are prevented from deviating in the conveying process.

Inventors

  • XIANG SHIXIAN

Assignees

  • 东莞市台罡科技有限公司

Dates

Publication Date
20260512
Application Date
20250515

Claims (7)

  1. 1. The single-sided double-layer extrusion slit coater is characterized by comprising a case (1), an oven (9) and a vertical frame (10), wherein the case (1), the oven (9) and the vertical frame (10) are sequentially arranged, a deviation rectifying mechanism is arranged on the case (1), a reel (2) is arranged on the deviation rectifying mechanism, a swinging rod (3) is rotatably arranged on the case (1), an elastic roller (4) is arranged on the swinging rod (3), a first guide roller (5) is arranged on the case (1), a first crack spraying head (6) is arranged on the case (1), a mounting block (7) is slidably arranged on the case (1), a second crack spraying head (8) is arranged on the mounting block (7), and a plurality of second guide rollers (11) are arranged on the vertical frame (10); The positive pole piece and the negative pole piece of the lithium battery are discharged from the discharging drum (2) and sequentially pass through the elastic roller (4), the first guide roller (5), the oven (9) and the second guide roller (11), and finally are wound on the winding drum (12) of the deviation correcting mechanism.
  2. 2. The single-sided double-layer extrusion slot coater according to claim 1, wherein the deviation rectifying mechanism comprises a cylinder seat (13) and a mounting seat (14), the unwinding cylinder (2) and the winding cylinder (12) are mounted in the cylinder seat (13), a first motor (15) is mounted on the outer side of the mounting seat (14), and a first threaded rod (16) is mounted at the output end of the first motor (15).
  3. 3. A single-sided double-layer extrusion slot coater as claimed in claim 2, wherein the bottom side of the cylinder seat (13) is provided with a sliding block (17), and the first threaded rod (16) is in threaded connection with the sliding block (17).
  4. 4. A single-sided double-layer extrusion slot coater as claimed in claim 3, wherein the cartridge seat (13) is symmetrically provided with guide blocks (18) at the bottom side, and the guide blocks (18) are slidably mounted with the guide rails (19).
  5. 5. The single-sided double-layer extrusion slot coater according to claim 4, wherein a speed reducer (20) is installed at the end of the cylinder seat (13) of the winding cylinder (12), the output end of the speed reducer (20) is connected with the winding cylinder (12), and the output end of the speed reducer (20) is connected with the input end of the second motor (21).
  6. 6. The single-sided double-layer extrusion slot coater of claim 5, wherein the side wall of the case (1) is provided with a cylinder (22), the telescopic end of the cylinder (22) is rotatably connected with the middle part of the swinging rod (3) through an inserting shaft, and the top end of the swinging rod (3) is connected with the case (1) through a rotating shaft.
  7. 7. The single-sided double-layer extrusion slot coater according to claim 6, wherein a third motor (23) is installed on the chassis (1), a second threaded rod (24) is installed at the output end of the third motor (23), and the second threaded rod (24) is in threaded connection with the installation block (7).

Description

Single-sided double-layer extrusion slit coater Technical Field The utility model relates to the technical field of processing of positive and negative pole pieces of lithium ion batteries, in particular to a single-sided double-layer extrusion slit coater. Background The coating machine is used for precisely coating positive and negative pole pieces of a lithium ion battery and mainly comprises an unreeling part, a machine head part, an oven part, a traction part, a reeling part, an electric control part and the like, uniformly coating the stirred slurry on a base material, ensuring that the size, the weight and the like are in a process range, reeling after drying treatment, and preparing for the later working procedure. In the process of coating the positive electrode plate and the negative electrode plate of the lithium ion battery, the width of the conveying roller is larger than that of the positive electrode plate and the negative electrode plate of the lithium ion battery, so that the situation that the positive electrode plate and the negative electrode plate of the lithium ion battery deviate in the conveying process is caused, the coating is influenced, meanwhile, when the lithium ion battery is conveyed, the positive electrode plate and the negative electrode plate of the lithium ion battery are required to be in a tight state, and otherwise, the conveying of the positive electrode plate and the negative electrode plate of the lithium ion battery is influenced. Disclosure of utility model The utility model provides a single-sided double-layer extrusion slit coater, which solves the technical problems that in the process of coating positive and negative electrode plates of a lithium ion battery, the width of a conveying roller is larger than that of the positive and negative electrode plates of the lithium ion battery, so that the positive and negative electrode plates of the lithium ion battery are deviated in the conveying process, the coating is influenced, and meanwhile, in the conveying process, the positive and negative electrode plates of the lithium ion battery are required to be in a tight state, otherwise, the conveying of the positive and negative electrode plates of the lithium ion battery is influenced. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The single-sided double-layer extrusion slit coater comprises a case, an oven and a vertical frame, wherein the case, the oven and the vertical frame are sequentially arranged, a deviation rectifying mechanism is arranged on the case, a winding drum is arranged on the deviation rectifying mechanism, a swinging rod is rotatably arranged on the case, an elastic roller is arranged on the swinging rod, a first guide roller is arranged on the case, a first crack spraying head is arranged on the case, a mounting block is slidably arranged on the case, a second crack spraying head is arranged on the mounting block, and a plurality of second guide rollers are arranged on the vertical frame; The positive pole piece and the negative pole piece of the lithium battery are discharged from the winding drum, sequentially pass through the elastic roller, the first guide roller, the oven and the second guide roller, and finally are wound on the winding drum of the deviation correcting mechanism. Preferably, the deviation rectifying mechanism comprises a cylinder seat and an installing seat, the winding drum and the winding drum are installed in the cylinder seat, a first motor is installed on the outer side of the installing seat, and a first threaded rod is installed at the output end of the first motor. Preferably, a sliding block is arranged at the bottom side of the cylinder seat, and the first threaded rod is in threaded connection with the sliding block. Preferably, guide blocks are symmetrically arranged on the bottom side of the cylinder seat, and the guide blocks and the guide rails are installed in a sliding mode. Preferably, a speed reducer is installed at the end part of the cylinder seat of the winding cylinder, the output end of the speed reducer is connected with the winding cylinder, and the output end of the speed reducer is connected with the input end of the second motor. Preferably, a cylinder is arranged on the side wall of the case, the telescopic end of the cylinder is rotationally connected with the middle part of the swing rod through an inserting shaft, and the top end of the swing rod is connected with the case through a rotating shaft. Preferably, a third motor is installed on the case, a second threaded rod is installed at the output end of the third motor, and the second threaded rod is in threaded connection with the installation block. The beneficial effects of the utility model are as follows: The first motor works to drive the first threaded rod to rotate and is matched with the sliding block in threaded connection to drive the cylinder seat to move along the guide