Dedusting apparatus, battery manufacturing device, and dedusting method
Disclosed are a dedusting apparatus, a battery manufacturing device, and a dedusting method. The dedusting apparatus is used for removing dust on the surface of a material belt, and includes a dust suction mechanism and a magnetic mechanism, wherein the magnetic mechanism is arranged opposite to the dust suction mechanism at an interval to form a gap for the material belt to pass through, and the magnetic mechanism is used for generating an alternating magnetic field. By arranging the magnetic mechanism and the dust suction mechanism opposite to each other on both sides of the material belt in the thickness direction, when the material belt passes through the gap between the magnetic mechanism and the dust suction mechanism, metal dust passing through the gap along with the material belt is affected by the alternating magnetic field and induced to form an eddy current.
1 . A dedusting apparatus, for removing metal dust on a surface of a material belt, the material belt being an electrode plate material belt for a lithium-ion battery, the dedusting apparatus comprising:
a dust suction mechanism; and
a magnetic mechanism, arranged opposite to the dust suction mechanism at an interval to form a gap for the material belt to pass through,
wherein the magnetic mechanism comprises:
a magnetic roller configured to generate an alternating magnetic field when rotating and cause a metal dust on a surface of the material belt to generate an induced magnetic field opposite to the alternating magnetic field, so that the metal dust is subjected to a repulsive force and bounces off from the material belt for the dust suction mechanism to suck away;
a driving assembly comprising a motor configured to drive the magnetic roller to rotate, wherein the motor comprises an output shaft connected to one end of the magnetic roller; and
a mounting seat, wherein both of two ends of the magnetic roller are rotatably connected to the mounting seat, and the driving assembly is fixedly connected to the mounting seat, wherein the mounting seat comprises a first end wall, a second end wall, and a bottom wall, wherein the first end wall and the second end wall are relatively arranged on both sides of the material belt along a width direction of the material belt, the bottom wall is connected to one end of the first end wall and one end of the second end wall, both of the two ends of the magnetic roller are rotatably connected to the first end wall and the second end wall respectively, the driving assembly is mounted on the first end wall, and one of the two ends of the magnetic roller connected to the first end wall passes through the first end wall to connect to the output shaft of the motor.
2 . The dedusting apparatus according to claim 1 , wherein the magnetic mechanism further comprises a bypass roller, the bypass roller is used for guiding the material belt to move, the bypass roller is of a hollow structure, the bypass roller rotatably sleeves the magnetic roller, and the gap is formed between an outer peripheral surface of the bypass roller and the dust suction mechanism.
3 . The dedusting apparatus according to claim 2 , wherein the magnetic mechanism further comprises a first bearing, and the magnetic roller is connected to the bypass roller through the first bearing.
4 . The dedusting apparatus according to claim 1 , wherein the dust suction mechanism comprises a dust suction hood and a negative pressure apparatus, the dust suction hood has a dust suction port arranged towards the magnetic mechanism, the negative pressure apparatus is connected to the dust suction hood, and the negative pressure apparatus is used for forming a negative pressure in the dust suction hood.
5 . The dedusting apparatus according to claim 4 , wherein the dust suction hood comprises a side wall, a top wall, and a connecting portion, the side wall surrounds the top wall, one end of the side wall is connected to the top wall, and the other end of the side wall forms the dust suction port, the connecting portion is arranged on the top wall, and the connecting portion is used for connecting the negative pressure apparatus.
6 . A battery manufacturing device, comprising:
a conveying apparatus used for conveying an electrode plate material belt for a lithium-ion battery;
a cutting apparatus used for cutting the electrode plate material belt; and
a dedusting apparatus arranged downstream of the cutting apparatus and used for removing dust on a surface of the electrode plate material belt, wherein the dedusting apparatus comprises:
a dust suction mechanism; and
a magnetic mechanism, arranged opposite to the dust suction mechanism at an interval to form a gap for the material belt to pass through,
wherein the magnetic mechanism comprises:
a magnetic roller configured to generate an alternating magnetic field when rotating and cause a metal dust on a surface of the material belt to generate an induced magnetic field opposite to the alternating magnetic field, so that the metal dust is subjected to a repulsive force and bounces off from the material belt for the dust suction mechanism to suck away;
a driving assembly comprising a motor configured to drive the magnetic roller to rotate, wherein the motor comprises an output shaft connected to one end of the magnetic roller; and
a mounting seat, wherein both of two ends of the magnetic roller are rotatably connected to the mounting seat, and the driving assembly is fixedly connected to the mounting seat, wherein the mounting seat comprises a first end wall, a second end wall, and a bottom wall, wherein the first end wall and the second end wall are relatively arranged on both sides of the material belt along a width direction of the material belt, the bottom wall is connected to one end of the first end wall and one end of the second end wall, both of the two ends of the magnetic roller are rotatably connected to the first end wall and the second end wall respectively, the driving assembly is mounted on the first end wall, and one of the two ends of the magnetic roller connected to the first end wall passes through the first end wall to connect to the output shaft of the motor.
7 . The battery manufacturing device according to claim 6 , wherein the magnetic mechanism of the dedusting apparatus further comprises a bypass roller, the bypass roller is used for guiding the material belt to move, the bypass roller is of a hollow structure, the bypass roller rotatably sleeves the magnetic roller, and the gap is formed between an outer peripheral surface of the bypass roller and the dust suction mechanism.
8 . The battery manufacturing device according to claim 7 , wherein the magnetic mechanism of the dedusting apparatus further comprises a first bearing, and the magnetic roller is connected to the bypass roller through the first bearing.
9 . The battery manufacturing device according to claim 7 , wherein the dust suction mechanism of the dedusting apparatus comprises a dust suction hood and a negative pressure apparatus, the dust suction hood has a dust suction port arranged towards the magnetic mechanism, the negative pressure apparatus is connected to the dust suction hood, and the negative pressure apparatus is used for forming a negative pressure in the dust suction hood.
10 . The battery manufacturing device according to claim 9 , wherein the dust suction hood comprises a side wall, a top wall, and a connecting portion, the side wall surrounds the top wall, one end of the side wall is connected to the top wall, and the other end of the side wall forms the dust suction port, the connecting portion is arranged on the top wall, and the connecting portion is used for connecting the negative pressure apparatus.