CN213998009U

CN213998009U - Splitting machine

Info

Publication number: CN213998009U
Application number: CN202023121199.3U
Authority: CN
Inventors: 卫钵
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-08-20
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses a cutting machine, this cutting machine includes: a first cutter assembly; the first cutter assembly and the second cutter assembly are opposite and spaced, and both are provided with cutters for cutting the battery pole piece; the dust collection device is provided with a plurality of dust collection ports, part of the dust collection ports are arranged corresponding to the cutter of the first cutter assembly, and the other part of the dust collection ports are arranged corresponding to the cutter of the second cutter assembly. From this, through setting up dust extraction, can thoroughly clear away the dust such as the piece that produces when cutting the battery pole piece, can avoid having the dust to remain on the battery pole piece to can avoid because of there being the condition emergence that the dust leads to the battery short circuit on the battery pole piece, and then can avoid because of there being the dust on the battery pole piece and lead to incident such as battery self-discharge, simultaneously, can reduce the energy consumption when removing dust, can avoid the waste of the energy.

Description

Splitting machine

Technical Field

The utility model belongs to the technical field of the battery and specifically relates to a cutting machine is related to.

Background

In the production process of the battery, most of the current battery pole pieces are cut in various modes, dust such as chips and the like can be generated inevitably in the cutting process, the quality of a battery product can be influenced if the dust is not eliminated before the battery core is assembled, and the dust on the positive and negative pole pieces of the lithium battery can cause short circuit of the battery, so that safety accidents such as self-discharge of the battery can be caused.

In the related art, the dust removal mode is to intensively remove dust through a large dust removal port, the dust removal mode is not thorough enough, dust can remain on the battery pole pieces, and the energy consumption of the dust removal mode is high, which can cause energy waste.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a splitting machine, this splitting machine can thoroughly clear away the dust such as the piece that produces when cutting the battery pole piece, can avoid having the dust to remain on the battery pole piece to can avoid because of there being the condition emergence of dust and lead to the battery short circuit on the battery pole piece, and then can avoid because of there being the dust on the battery pole piece and lead to the battery safety accidents such as self-discharge, simultaneously, can reduce the energy consumption when removing dust, can avoid the waste of the energy.

According to the utility model discloses a cutting machine includes: a first cutter assembly; the first cutter assembly and the second cutter assembly are opposite and spaced, and both are provided with cutters for cutting the battery pole piece; the dust collection device is provided with a plurality of dust collection ports, part of the dust collection ports are arranged corresponding to the cutter of the first cutter assembly, and the other part of the dust collection ports are arranged corresponding to the cutter of the second cutter assembly.

According to the utility model discloses a cutting machine, through setting up dust extraction, can thoroughly clear away the dust such as the piece that produces when cutting the battery pole piece, can avoid having the dust to remain on the battery pole piece to can avoid because of there being the condition emergence of dust and lead to the battery short circuit on the battery pole piece, and then can avoid because of there being the dust on the battery pole piece and lead to the incident such as battery self-discharge, simultaneously, the energy consumption when can reducing the dust removal, can avoid the waste of the energy.

In some examples of the present invention, the plurality of dust suction ports include: first dust absorption mouth and second dust absorption mouth, dust extraction includes: the first dust collection cover limits the first dust collection opening, and the second dust collection cover limits the second dust collection opening.

In some examples of the present invention, the dust suction device further includes: the first dust collection cover is arranged on the first dust collection pipeline, and the first dust collection pipeline is communicated with the first dust collection port.

In some examples of the present invention, the first dust suction pipe communicates with the first dust suction port through a first communication pipe.

The utility model discloses an in some examples, first dust absorption pipeline is equipped with a plurality ofly first suction hood, first cutter subassembly is equipped with a plurality ofly the cutter is, and is a plurality of first suction hood and a plurality of the cutter one-to-one sets up.

In some examples of the present invention, the first dust suction line comprises: the first sub-dust collection pipelines are sequentially communicated, any two adjacent first sub-dust collection pipelines are in telescopic connection, and the cross-sectional areas of the first sub-dust collection pipelines are sequentially reduced in the radial direction of the first dust collection pipelines; the plurality of first sub-dust collection pipelines and the plurality of first dust collection covers are arranged in a one-to-one correspondence mode.

In some examples of the present invention, the dust suction device further includes: and the second dust suction cover is arranged on the second dust suction pipeline, and the second dust suction pipeline is communicated with the second dust suction port.

In some examples of the present invention, the second dust suction pipe is communicated with the second dust suction port through a second communication pipe; the second dust absorption pipeline is provided with a plurality of second dust absorption covers, the second cutter assembly is provided with a plurality of cutters, and the second dust absorption covers and the cutters are arranged in a one-to-one correspondence mode.

In some examples of the present invention, the second dust suction pipe includes: the second sub-dust collection pipelines are sequentially communicated, any two adjacent second sub-dust collection pipelines are in telescopic connection, and the cross-sectional areas of the second sub-dust collection pipelines are sequentially decreased in the radial direction of the second dust collection pipelines; the plurality of second sub-dust collection pipelines and the plurality of second dust collection covers are arranged in a one-to-one correspondence mode.

In some examples of the present invention, the dust suction device further includes: and the main dust collection pipeline is communicated with the first dust collection pipeline and the second dust collection pipeline.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a front view of a slitting machine according to an embodiment of the present invention;

fig. 2 is a top view of a slitting machine according to an embodiment of the present invention;

fig. 3 is an isometric view of a slitting machine according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of a slitting machine according to an embodiment of the present invention.

Reference numerals:

a splitting machine 100;

a cutter 1; a first spacer 2; a second spacer 3; a first drive shaft 4; a second drive shaft 5; a first partition plate 6; a second partition 7;

a first cutter assembly 10; a second cutter assembly 20;

a dust suction device 30; a dust suction port 31; a first dust suction port 32; a second dust suction port 33; a first suction hood 34; a second dust suction hood 35; a first dust absorption line 36; a first communication line 37; the first sub dust suction pipe 38; a second dust suction pipe 39; a second communication line 40; the second sub dust suction pipe 41; a main suction line 42.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

A slitting machine 100 according to an embodiment of the present invention will be described with reference to fig. 1 to 4.

As shown in fig. 1 to 4, a slitting machine 100 according to an embodiment of the present invention includes: a first cutter assembly 10, a second cutter assembly 20 and a dust suction device 30. The first cutter assembly 10 and the second cutter assembly 20 are arranged oppositely, and the first cutter assembly 10 and the second cutter assembly 20 are arranged at a distance, the first cutter assembly 10 and the second cutter assembly 20 are both provided with a cutter 1, and the cutter 1 is used for cutting a battery pole piece, it should be noted that the first cutter assembly 10 and the second cutter assembly 20 can be arranged oppositely in the height direction, and the first cutter assembly 10 and the second cutter assembly 20 can be arranged at a distance in the height direction, preferably, in the up-down direction shown in fig. 1, the first cutter assembly 10 can be arranged above the second cutter assembly 20, the first cutter assembly 10 and the second cutter assembly 20 are both provided with a cutter 1, and the cutter 1 can be used for cutting a battery pole piece.

The dust suction device 30 is provided with a plurality of dust suction ports 31, a part of the dust suction ports 31 of the plurality of dust suction ports 31 is arranged corresponding to the cutter 1 of the first cutter assembly 10, and the other part of the dust suction ports 31 of the plurality of dust suction ports 31 is arranged corresponding to the cutter 1 of the second cutter assembly 20, it should be explained that the dust suction ports 31 are arranged on the dust suction device 30, the number of the dust suction ports 31 can be arranged in a plurality, the cutter 1 of the first cutter assembly 10 is arranged corresponding to the part of the dust suction ports 31 of the plurality of dust suction ports 31, the cutter 1 of the second cutter assembly 20 is arranged corresponding to the other part of the dust suction ports 31 of the plurality of dust suction ports 31, and one cutter 1 is arranged corresponding to one dust suction port 31.

Wherein, the first cutter assembly 10 can also comprise a first spacer sleeve 2 and a first driving shaft 4, the second cutter assembly 20 can comprise a second spacer sleeve 3 and a second driving shaft 5, the first spacer sleeve 2 can be sleeved on the first driving shaft 4, the second spacer sleeve 3 can be sleeved on the second driving shaft 5, the cutter 1 of the first cutter assembly 10 can be sleeved on the first spacer sleeve 2, the cutter 1 of the second cutter assembly 20 can be sleeved on the second spacer sleeve 3, the first driving shaft 4 and the second driving shaft 5 can respectively drive the first spacer sleeve 2 and the second spacer sleeve 3 to rotate so as to drive the cutter 1 of the first cutter assembly 10 and the cutter 1 of the second cutter assembly 20 to cut battery pole pieces (foil), the splitting machine 100 can also comprise a first clapboard 6 and a second clapboard 7, the first clapboard 6 can be provided with a through hole, one end of the first driving shaft 4 and one end of the second driving shaft 5 can both pass through the through hole arranged on the first clapboard 6, and the other end of the first drive shaft 4 and the other end of the second drive shaft 5 are in abutting contact with the second partition 7.

When the cutters 1 of the first cutter assembly 10 and the second cutter assembly 20 cut the battery pole pieces, a large amount of dust is generated, a part of the dust suction ports 31 of the plurality of dust suction ports 31 is arranged corresponding to the cutter 1 of the first cutter assembly 10, and the other part of the dust suction ports 31 of the plurality of dust suction ports 31 is arranged corresponding to the cutter 1 of the second cutter assembly 20, so that the dust generated when the cutters 1 of the first cutter assembly 10 and the second cutter assembly 20 cut the battery pole pieces can be adsorbed at a short distance.

From this, through setting up dust extraction 30, can thoroughly clear away the dust such as the piece that produces when cutting the battery pole piece, can avoid having the dust to remain on the battery pole piece to can avoid because of there being the condition emergence of dust and leading to the battery short circuit on the battery pole piece, and then can avoid because of there being the dust on the battery pole piece and leading to incident such as battery self-discharge, simultaneously, the energy consumption when can reducing the dust removal, can avoid the waste of the energy.

In some embodiments of the present invention, as shown in fig. 3 and 4, the plurality of dust suction ports 31 may include: a first suction port 32 and a second suction port 33, and the dust suction device 30 may include: a first dust collection cover 34 and a second dust collection cover 35, the first dust collection cover 34 may define the first dust collection opening 32, and the second dust collection cover 35 may define the second dust collection opening 33. It should be noted that the first dust suction port 32 may be disposed corresponding to the cutter 1 of the first cutter assembly 10, the first dust suction port 32 may be configured to adsorb (remove) dust generated near the cutter 1 of the first cutter assembly 10, the second dust suction port 33 may be disposed corresponding to the cutter 1 of the second cutter assembly 20, and the second dust suction port 33 may be configured to adsorb dust generated near the cutter 1 of the second cutter assembly 20, wherein the first dust suction port 32 may be defined by the first dust suction cover 34, and the second dust suction port 33 may be defined by the second dust suction cover 35, and preferably, in the up-down direction shown in fig. 1, the first dust suction cover 34 may be disposed above the second dust suction cover 35, so that the working efficiency of the dust suction device 30 for removing dust may be improved, and it may be ensured that the dust removal by the dust suction device 30 is more accurate and thorough.

In some embodiments of the present invention, as shown in fig. 1 to 3, the dust collecting device 30 may further include: the first dust suction pipe 36, the first dust suction hood 34 may be disposed on the first dust suction pipe 36, and the first dust suction pipe 36 may be communicated with the first dust suction port 32, it should be explained that the first dust suction hood 34 may be disposed on the first dust suction pipe 36, the first dust suction hood 34 may define the first dust suction port 32, the first dust suction port 32 may be communicated with the first dust suction pipe 36, such an arrangement may transport dust adsorbed by the first dust suction port 32 away through the first dust suction pipe 36, and it may be avoided that dust is accumulated in the first dust suction port 32 and the first dust suction hood 34 to affect the working efficiency of the dust suction device 30. It should be noted that the first dust extraction hood 34 can define a dust extraction chamber, which can communicate between the first dust extraction opening 32 and the first dust extraction duct 36.

In some embodiments of the present invention, as shown in fig. 1-3, the first dust suction pipeline 36 can be communicated with the first dust suction port 32 through a first communicating pipeline 37, it should be noted that one end of the first communicating pipeline 37 can be communicated with the first dust suction pipeline 36, the other end of the first communicating pipeline 37 can be communicated with the first dust suction port 32, specifically, the other end of the first communicating pipeline 37 is communicated with the first dust suction port 32 through the dust suction cavity, that is, the dust suction cavity is connected between the first communicating pipeline 37 and the first dust suction port 32, the first communicating pipeline 37 can communicate the first dust suction pipeline 36 and the first dust suction port 32, so as to transport the dust adsorbed by the first dust suction port 32 to the first dust suction pipeline 36 through the first communicating pipeline 37, thereby further avoiding the dust from accumulating at the first dust suction port 32.

In some embodiments of the present invention, as shown in fig. 1-4, the first dust suction pipeline 36 may be provided with a plurality of first dust suction hoods 34, the first cutter assembly 10 may be provided with a plurality of cutters 1, and the plurality of first dust suction hoods 34 may be disposed in one-to-one correspondence with the plurality of cutters 1. It should be noted that, the number of the first dust hoods 34 may be set to be plural, and a plurality of first dust hoods 34 may all be disposed on the first dust suction pipeline 36, preferably, a plurality of first dust hoods 34 may be disposed at an even interval in the axial direction of the first dust suction pipeline 36, the first cutter assembly 10 may be provided with a plurality of cutters 1, a plurality of first dust hoods 34 may be disposed in one-to-one correspondence with a plurality of cutters 1 disposed on the first cutter assembly 10, so that each first dust hood 34 may absorb dust generated near the corresponding cutter 1, thereby ensuring the operational reliability of the dust collector 30.

In some embodiments of the present invention, as shown in fig. 1-3, the first dust absorption line 36 may include: the plurality of first sub-dust suction pipes 38 may be sequentially communicated, any two adjacent first sub-dust suction pipes 38 may be telescopically connected, the cross-sectional areas of the plurality of first sub-dust suction pipes 38 may be sequentially decreased in the radial direction of the first dust suction pipe 36, and the plurality of first sub-dust suction pipes 38 may be disposed in one-to-one correspondence with the plurality of first dust suction hoods 34. It should be explained that the plurality of first sub-dust suction pipes 38 may jointly form the first dust suction pipe 36, the plurality of first sub-dust suction pipes 38 may be sequentially connected, the number of the first connection pipes 37 may be multiple, the plurality of first dust suction hoods 34 may be connected to the plurality of first sub-dust suction pipes 38 through the plurality of first connection pipes 37, that is, the plurality of first dust suction hoods 34 may be arranged corresponding to the plurality of first sub-dust suction pipes 38 one to one, and any two adjacent first sub-dust suction pipes 38 may be telescopically connected to each other, so that the distance between the plurality of first dust suction hoods 34 may be adjusted by telescoping the telescoping first sub-dust suction pipes 38, when the splitting machine 100 changes the model of the battery pole piece, the distance between the plurality of cutters 1 on the first cutting assembly 10 may also change, at this time, the distance between the plurality of first dust suction hoods 34 may be adjusted by telescoping the telescoping first sub-dust suction pipes 38 so that the plurality of first dust suction hoods 34 correspond to the plurality of cutters 1 one to one, thereby can guarantee when cutting the battery pole piece of different models when cutting machine 100, dust such as piece that dust extraction 30 can both thoroughly clear away and produce when cutting the battery pole piece, in the left right direction that fig. 1 shows, the cross sectional area of the radial direction of a plurality of first sub dust absorption pipelines 38 can reduce from the left hand right side in proper order, per two adjacent first sub dust absorption pipelines 38 promptly, the cross sectional area of left first sub dust absorption pipeline 38 is greater than the cross sectional area of the first sub dust absorption pipeline 38 on right side, it is better to set up the dust absorption effect that can make dust extraction 30 like this, high efficiency, thereby can be more thorough clear away dust such as piece that produces when cutting the battery pole piece.

Specifically, as some embodiments of the utility model discloses, the quantity of the cutter 1 on the first cutter subassembly 10 can set up to 3, 3 cutter 1 can set up at the axial direction interval of first dust absorption pipeline 36, the quantity of first dust cage 34 also can set up to 3, 3 first dust cages 34 can set up and with 3 cutter 1 one-to-one at the axial direction interval of first dust absorption pipeline 36, the quantity of first communication pipeline 37 also can set up to 3, 3 first dust cages 34 can communicate with first dust absorption pipeline 36 through 3 first communication pipeline 37.

In some embodiments of the present invention, as shown in fig. 1, the dust collecting device 30 may further include: the second dust suction pipe 39 and the second dust suction hood 35 may be disposed on the second dust suction pipe 39, the second dust suction pipe 39 may be communicated with the second dust suction port 33, it should be explained that the second dust suction hood 35 may be disposed on the second dust suction pipe 39, the second dust suction port 33 may be defined by the second dust suction hood 35, the second dust suction port 33 may be communicated with the second dust suction pipe 39, such an arrangement may transport the dust adsorbed by the second dust suction port 33 through the second dust suction pipe 39, and it may be avoided that the dust is accumulated in the second dust suction port 33 and the second dust suction hood 35 to affect the working efficiency of the dust suction device 30. It should be noted that the second dust collection cover 35 may define a dust collection chamber, and the dust collection chamber may communicate the second dust collection port 33 and the second dust collection pipeline 39.

In some embodiments of the present invention, as shown in fig. 1, the second dust suction pipeline 39 can be communicated with the second dust suction port 33 through the second communication pipeline 40, the second dust suction pipeline 39 can be provided with a plurality of second dust suction hoods 35, the second cutter assembly 20 can be provided with a plurality of cutters 1, and the plurality of second dust suction hoods 35 can be arranged in one-to-one correspondence with the plurality of cutters 1. It should be noted that one end of the second communicating pipe 40 may be communicated with the second dust suction pipe 39, and the other end of the second communicating pipe 40 may be communicated with the first dust suction port 32, specifically, the other end of the first communicating pipe 37 may be communicated with the first dust suction port 32 through a dust suction chamber of the second dust suction hood 35, that is, the dust suction chamber of the second dust suction hood 35 is connected between the first communicating pipe 37 and the first dust suction port 32, the second communicating pipe 40 may communicate the second dust suction pipe 39 with the second dust suction port 33, the number of the second dust suction hoods 35 may be set to be plural, the plurality of second dust suction hoods 35 may be all disposed on the second dust suction pipe 39, preferably, the plurality of second dust suction hoods 35 may be uniformly spaced in an axial direction of the second dust suction pipe 39, the second cutter assembly 20 may be disposed with the plurality of cutters 1 disposed on the second cutter assembly 20, the plurality of second dust suction hoods 35 may be disposed in one-to one correspondence with the plurality of cutters 1 disposed on the second cutter assembly 20, the arrangement enables the dust adsorbed by the second dust suction port 33 to be conveyed to the second dust suction pipeline 39 through the second communicating pipeline 40, so that the dust can be further prevented from being accumulated in the second dust suction port 33, and each second dust suction cover 35 can adsorb the dust generated near the corresponding cutter 1, thereby ensuring the working reliability of the dust suction device 30.

In some embodiments of the present invention, as shown in fig. 1, the second dust suction pipe 39 may include: the plurality of second sub-dust suction pipes 41 and the plurality of second sub-dust suction pipes 41 may be sequentially communicated, any two adjacent second sub-dust suction pipes 41 may be telescopically connected, the cross-sectional areas of the plurality of second sub-dust suction pipes 41 may be sequentially decreased in the radial direction of the second dust suction pipe 39, and the plurality of second sub-dust suction pipes 41 may be disposed in one-to-one correspondence with the plurality of second dust suction hoods 35. It should be explained that the plurality of second sub-dust suction pipes 41 may jointly form the second communicating pipe 40, the plurality of second sub-dust suction pipes 41 may be sequentially communicated, the number of the second communicating pipes 40 may be multiple, the plurality of second dust suction hoods 35 may be connected to the plurality of second sub-dust suction pipes 41 through the plurality of second communicating pipes 40, that is, the plurality of second dust suction hoods 35 may be arranged corresponding to the plurality of second sub-dust suction pipes 41 one to one, and any two adjacent second sub-dust suction pipes 41 may be telescopically connected to each other, such that the distance between the plurality of second dust suction hoods 35 may be adjusted by telescoping the telescoping second sub-dust suction pipes 41, when the splitting machine 100 changes the model of the battery pole piece, the distance between the plurality of cutters 1 on the second cutter assembly 20 may also change, at this time, the distance between the plurality of second dust suction hoods 35 may be adjusted by telescoping the telescoping second sub-dust suction pipes 41 so that the plurality of second dust suction hoods 35 correspond to the plurality of cutters 1 one to one, thereby can guarantee when cutting the battery pole piece of different models when cutting machine 100, dust such as piece that dust extraction 30 can both thoroughly clear away and produce when cutting the battery pole piece, in the left right direction that fig. 1 shows, the cross sectional area of the radial direction of a plurality of sub-dust absorption pipelines 41 of second can reduce from the left hand right side in proper order, per two adjacent sub-dust absorption pipelines 41 of second promptly, the cross sectional area of the sub-dust absorption pipeline 41 of left second is greater than the cross sectional area of the sub-dust absorption pipeline 41 of second on right side, it is better to set up the dust absorption effect that can make dust extraction 30 like this, high efficiency, thereby can be more thorough clear away dust such as piece that produces when cutting the battery pole piece.

Specifically, as some embodiments of the utility model discloses, the quantity of the cutter 1 on the second cutter subassembly 20 can set up to 3, 3 cutter 1 can set up at the axial direction interval of second intercommunication pipeline 40, the quantity of second suction hood 35 also can set up to 3, 3 second suction hood 35 can set up and set up with 3 cutter 1 one-to-one at the axial direction interval of second intercommunication pipeline 40, the quantity of second intercommunication pipeline 40 also can set up to 3, 3 second suction hood 35 can communicate with second intercommunication pipeline 40 through 3 second intercommunication pipelines 40.

In some embodiments of the present invention, as shown in fig. 1 to 3, the dust collecting device 30 may further include: the main dust suction pipeline 42, the main dust suction pipeline 42 can be communicated with both the first dust suction pipeline 36 and the second dust suction pipeline 39, it should be noted that the main dust suction pipeline 42 can be communicated with the first dust suction pipeline 36, the main dust suction pipeline 42 can also be communicated with the second dust suction pipeline 39, the second partition plate 7 can be further provided with a dodging hole, the main dust suction pipeline 42 can penetrate through the dodging hole, and the first dust suction pipeline 36 and the second dust suction pipeline 39 can convey away dust such as debris generated when the battery pole piece is cut through the main dust suction pipeline 42, so that the dust can be prevented from being accumulated on the first dust suction pipeline 36 and the second dust suction pipeline 39 to influence the working efficiency of the dust suction device 30.

The utility model discloses in, can change different first spacer 2 and second spacer 3 so that cutting machine 100 cuts the battery pole piece of different models, cutting machine 100 can also include the dust removal motor, and the dust removal motor can become the negative pressure with the atmospheric pressure in dust extraction 30 to can inhale dust extraction 30 and follow main dust absorption pipeline 42 through the effect of atmospheric pressure with dust such as piece and discharge.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

In the description of the present invention, "a plurality" means two or more.

In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A slitter (100), comprising:

a first cutter assembly (10);

the first cutter assembly (10) and the second cutter assembly (20) are opposite and spaced, cutters (1) are arranged on the first cutter assembly (10) and the second cutter assembly (20), and the cutters (1) are used for cutting battery pole pieces;

the dust collection device (30) is provided with a plurality of dust collection ports (31), the dust collection ports (31) of the dust collection ports (31) are arranged corresponding to the cutters (1) of the first cutter assembly (10), and the dust collection ports (31) of the other dust collection ports (31) are arranged corresponding to the cutters (1) of the second cutter assembly (20).

2. The slitting machine (100) according to claim 1, characterized in that a plurality of said suction mouths (31) comprise: a first dust suction port (32) and a second dust suction port (33), the dust suction device (30) comprising: a first dust hood (34) and a second dust hood (35), the first dust hood (34) defining the first dust suction opening (32), the second dust hood (35) defining the second dust suction opening (33).

3. The slitting machine (100) according to claim 2, characterized in that said suction device (30) further comprises: the first dust absorption pipeline (36), the first dust absorption cover (34) is arranged on the first dust absorption pipeline (36), and the first dust absorption pipeline (36) is communicated with the first dust absorption port (32).

4. The slitting machine (100) according to claim 3, characterized in that said first dust suction duct (36) communicates with said first dust suction port (32) through a first communication duct (37).

5. The slitting machine (100) according to claim 3, characterized in that said first dust suction duct (36) is provided with a plurality of said first dust suction hoods (34), said first cutter assembly (10) is provided with a plurality of said cutters (1), and a plurality of said first dust suction hoods (34) and a plurality of said cutters (1) are arranged in a one-to-one correspondence.

6. The slitting machine (100) according to claim 5, characterized in that said first dust suction duct (36) comprises: the multiple first sub-dust-absorption pipelines (38) are sequentially communicated, any two adjacent first sub-dust-absorption pipelines (38) are in telescopic connection, and the sectional areas of the multiple first sub-dust-absorption pipelines (38) are sequentially reduced in the radial direction of the first dust-absorption pipeline (36);

the plurality of first sub-dust suction pipelines (38) and the plurality of first dust suction covers (34) are arranged in a one-to-one correspondence mode.

7. The slitting machine (100) according to claim 3, characterized in that said suction device (30) further comprises: the second dust collection pipe (39), the second dust collection cover (35) is arranged on the second dust collection pipe (39), and the second dust collection pipe (39) is communicated with the second dust collection port (33).

8. The slitting machine (100) according to claim 7, characterized in that said second duct (39) communicates with said second suction opening (33) through a second communication duct (40);

the second dust absorption pipeline (39) is provided with a plurality of second dust absorption covers (35), the second cutter assembly (20) is provided with a plurality of cutters (1), and the second dust absorption covers (35) and the cutters (1) are arranged in a one-to-one correspondence mode.

9. The slitting machine (100) according to claim 8, characterized in that said second suction duct (39) comprises: the plurality of second sub-dust-collecting pipelines (41) are sequentially communicated, any two adjacent second sub-dust-collecting pipelines (41) are in telescopic connection, and the sectional areas of the plurality of second sub-dust-collecting pipelines (41) are sequentially reduced in the radial direction of the second dust-collecting pipeline (39);

the plurality of second sub-dust collection pipelines (41) and the plurality of second dust collection covers (35) are arranged in a one-to-one correspondence mode.

10. The slitting machine (100) according to claim 7, characterized in that said suction device (30) further comprises: a main dust suction pipeline (42), wherein the main dust suction pipeline (42) is communicated with the first dust suction pipeline (36) and the second dust suction pipeline (39).