CN217142709U

CN217142709U - Dust collector of lithium battery pole piece laser cross cutting

Info

Publication number: CN217142709U
Application number: CN202220677768.2U
Authority: CN
Inventors: 俞琦; 丁金虎; 夏善伟; 汪波
Original assignee: Anhui Juyi Technology Co Ltd
Current assignee: Anhui Juyi Technology Co Ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-08-09
Anticipated expiration: 2032-03-24

Abstract

The utility model discloses a dust collector of lithium-ion battery pole piece laser cross cutting, including mount, the roller of setting on the mount, be located first dust cage, first air knife, second dust cage, the second air knife of roller top. The fixed frame is fixedly connected with a guide rod, the first dust hood and the second dust hood are respectively arranged on the guide rod through a sliding mechanism and are respectively arranged on two side surfaces of the pole piece, the first air knife is movably connected on the guide rod on the inner side of the first dust hood through the first movable block, and the second air knife is movably connected on the guide rod on the inner side of the second dust hood through the second movable block. The utility model discloses can solve the clean problem of dust behind the pole piece cross cutting, at first blow off utmost point ear surface dust through the air knife, then absorb the processing through the negative pressure to the dust through the dust cage that the water conservancy diversion ring corresponds with it, reach the purpose that utmost point ear removed dust, prevent the pollution of dust to the pole piece.

Description

Dust collector of lithium battery pole piece laser cross cutting

Technical Field

The utility model relates to a laser cross cutting equipment field especially relates to a lithium battery pole piece laser cross cutting's dust collector.

Background

After the lithium ion battery pole piece is produced, the pole piece needs to be subjected to tab cutting according to the structure and specification of the battery, and the tab cutting is usually performed in a laser mode. Utmost point ear is cutting the in-process, and the dust of production adsorbs easily on utmost point ear, if not handle and will influence electric core film-making quality, can cause the electric core internal resistance of rear end production to rise and the short circuit. Therefore, the dust removal requirement of a battery manufacturer on the laser tab die cutting equipment is high, and the quality stability of the production of the battery core is improved.

Therefore, it is needed to provide a novel dust removing device for laser die cutting of lithium battery pole pieces to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a dust collector of lithium-ion battery pole piece laser cross cutting is provided can remove dust to lithium-ion battery pole piece's utmost point ear, prevents the pollution of dust to the pole piece.

In order to solve the technical problem, the utility model discloses a technical scheme be: the provided dust removal device for the laser die cutting of the lithium battery pole piece comprises a fixed frame, a roller arranged on the fixed frame, a first dust collection cover positioned above the roller, a first air knife, a second dust collection cover and a second air knife;

the fixed frame is fixedly connected with a guide rod, the first dust hood and the second dust hood are respectively arranged on the guide rod through a sliding mechanism and are respectively arranged on two side surfaces of the pole piece, the first air knife is movably connected on the guide rod on the inner side of the first dust hood through the first movable block, and the second air knife is movably connected on the guide rod on the inner side of the second dust hood through the second movable block.

In a preferred embodiment of the present invention, the first dust hood and the second dust hood have the same structure, and each dust hood comprises a dust collecting pipe, a telescopic pipe, and a dust collecting pipe connected in sequence;

the one end that dust absorption pipeline is close to the roller is little loudspeaker form, and with roller surface clearance fit, the one end that the roller was kept away from to the dust absorption pipeline and the one end swing joint of flexible pipeline.

Furthermore, a flow guide ring is arranged in the middle of one end face of the dust collection pipeline close to the roller, and the flow guide ring is sleeved on the outer peripheral face of the roller.

Furthermore, the tangential direction of the flow guide ring is parallel to the axial direction of one end of the dust suction pipeline close to the roller.

In a preferred embodiment of the present invention, the sliding mechanism comprises a pressing block and a guide rod clamping block, the guide rod clamping block passes through the guide rod and is fixed by a manual knob, and the pressing block and the guide rod clamping block jointly fix the first dust hood/the second dust hood.

In a preferred embodiment of the present invention, the first movable block is movably connected to the guide rod;

the middle part of the first movable block is fixedly connected with a first connecting block, one end, far away from the fixed end, of the first connecting block is movably connected with a first rotating block, a first air knife is fixedly connected onto the first rotating block, and an air outlet of the first air knife is located between a first dust collection cover and a gap on the outer surface of the roller.

In a preferred embodiment of the present invention, the second movable block is movably connected to the guide rod;

the middle part of the second movable block is fixedly connected with a second connecting block, one end of the second connecting block, which is far away from the fixed end, is movably connected with a second rotating block, a second air knife is fixedly connected onto the second rotating block, and an air outlet of the second air knife is positioned between the first dust hood and the outer surface of the roller.

In a preferred embodiment of the present invention, the two ends of the middle shaft of the roller are mounted in the grooves of the fixing frame and fixedly connected by the pressing plate.

The utility model has the advantages that:

(1) the utility model can solve the dust cleaning problem after die cutting of the pole piece, and provides a dust removing device of a lithium ion battery tab laser die cutting device, which firstly blows out dust on the surface of the tab through an air knife, and then absorbs and treats the dust through a negative pressure through a dust collecting cover corresponding to a flow guide ring, thereby achieving the purpose of removing dust from the tab and preventing the pollution of the dust to the pole piece;

(2) the utility model removes dust in the continuous movement of the pole piece, does not occupy the operation time of the equipment, can save the operation beat of the equipment and provide the production efficiency;

(3) the utility model discloses in the position of air knife and special design's dust cage can be adjusted according to the specification of pole piece to adapt to the pole piece of different specifications, lifting means's compatibility.

Drawings

Fig. 1 is a schematic perspective view of a preferred embodiment of a dust removing device for laser die cutting of a lithium battery pole piece of the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a schematic cross-sectional view of FIG. 2;

fig. 4 is an enlarged view of a portion I in fig. 3.

The parts in the drawings are numbered as follows: 1. the dust collector comprises a fixed frame, 2, a roller, 3, a right supporting plate, 4, a pressing plate, 5, a guide rod, 6, a manual knob, 7, a guide rod clamping block, 8, a second dust hood, 9, a second movable block, 10, a second connecting block, 11, a second rotating block, 12, a second air knife, 13, a telescopic pipeline, 14, a first dust hood, 15, a left supporting plate, 16, a support, 17, a flow guide ring, 18, a pressing block, 19, a dust collection pipeline, 20, a pole piece, 21, a dust collection pipeline, 22, a first movable block, 23, a first connecting block, 24, a first rotating block, 25 and a first air knife.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 and 2, an embodiment of the present invention includes:

a dust removal device for laser die cutting of a lithium battery pole piece comprises a fixing frame 1, a roller 2 arranged on the fixing frame 1, a first dust collection cover 14 positioned above the roller 2, a first air knife 25, a second dust collection cover 8 and a second air knife 12. The fixed frame 1 is fixedly connected with a guide rod 5, the first dust collection cover 14 and the second dust collection cover 25 are respectively arranged on the guide rod 5 through a sliding mechanism and are respectively arranged on two side surfaces of the pole piece 20, the first air knife 25 is movably connected on the guide rod 5 on the inner side of the first dust collection cover 14 through a first movable block 22, and the second air knife 12 is movably connected on the guide rod 5 on the inner side of the second dust collection cover 8 through a second movable block 9.

In this example, referring to fig. 1, the fixing frame 1 is U-shaped, the inner side surfaces of the two sides are provided with grooves, and the two ends of the center shaft of the roller 2 are installed in the grooves of the fixing frame 1 and are fixed and pressed by the pressing plate 4. The right side surface of the fixed frame 1 is provided with a right supporting plate 3, the left side surface is provided with a support 16, the support 16 is provided with a left supporting plate 15, and two guide rods 5 are arranged between the left supporting plate 15 and the right supporting plate 3 and used as sliding guide rails of the dust hood and the air knife.

Referring to fig. 3, the first dust hood 14 and the second dust hood 8 have the same structure, and each dust hood includes a dust suction duct 21, a telescopic duct 13, and a dust collection duct 19 connected in sequence. The one end that dust absorption pipeline 21 is close to roller 2 is little loudspeaker form, and with 2 surface clearance fit of roller, the one end swing joint of the one end of dust absorption pipeline 21 one end and flexible pipeline 13 of keeping away from roller 2. The shape of the dust collection pipeline 21 is designed through fluid simulation software, and the first dust collection cover 14 and the second dust collection cover 8 are matched with the outer diameter of the roller 2 through the special design of the fluid simulation software, and a certain gap is reserved for the pole piece 20 to pass through so as to facilitate dust treatment and prevent dust diffusion.

Further, referring to fig. 4, a flow guide ring 17 is disposed in the middle of one end surface of the dust collection pipe 21 close to the roller 2, and the flow guide ring 17 is sleeved on the outer circumferential surface of the roller 2. The tangential direction of the guide ring 17 is parallel to the axial direction of one end of the dust suction pipeline 21 close to the roller 2, and the shape angle of the guide ring 17 is matched with the first dust collection cover 14 and the second dust collection cover 8 to guide the air flow direction of the air knife, so that the dust removal efficiency is improved.

The positions of the first dust hood 14 and the second dust hood 8 correspond to the two side surfaces of the pole piece 20 through the movement of a sliding mechanism, the sliding mechanism comprises a pressing block 18 and a guide rod clamping block 7, the guide rod clamping block 7 penetrates through a guide rod 5 and is fixed by a manual knob 6, and the pressing block 18 and the guide rod clamping block 7 jointly fix the first dust hood 14/the second dust hood 8.

Referring to fig. 3, the first movable block 22 is movably connected to the guide rod 5, a first connecting block 23 is fixedly connected to the middle of the first movable block 22, a first rotating block 24 is movably connected to one end, far away from the fixed end, of the first connecting block 23, a first air knife 25 is fixedly connected to the first rotating block 24, and an air outlet of the first air knife 25 is located in a gap between the first dust hood 14 and the outer surface of the roller 2.

Similarly, the second movable block 9 is movably connected with the guide rod 5, a second connecting block 10 is fixedly connected to the middle of the second movable block 9, a second rotating block 11 is movably connected to one end, far away from the fixed end, of the second connecting block 10, a second air knife 12 is fixedly connected to the second rotating block 11, and an air outlet of the second air knife 12 is located in a gap between the first dust collection cover 14 and the outer surface of the roller 2.

With reference to fig. 4, the air outlet angle of the air knife is adjusted to facilitate the adjustment of the air flow direction. The position of the sliding mechanism and the movable block on the guide rod 5 can be adjusted, so that the device can adapt to pole pieces 20 with different specifications, and the compatibility of the device is improved.

The utility model discloses be applied to the dust removal after pole piece laser cross cutting, its principle is:

(1) the pole piece 20 reaches a dust removal device through the roller 2 after being subjected to laser die cutting;

(2) cleaning the pole piece 20 by cleaning gas through an air knife;

(3) the air blown out by the air knife is guided by the guide ring 17 and absorbed by the negative pressure of the dust collecting cover to absorb the dust, so that the aim of dust removal is achieved.

Therefore, the utility model discloses a remove dust and go on in pole piece 20 continuous motion, do not account for the time of equipment operation, can practice thrift the operation beat of equipment, provide production efficiency.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A dust removal device for laser die cutting of lithium battery pole pieces is characterized by comprising a fixed frame, a roller arranged on the fixed frame, a first dust collection cover, a first air knife, a second dust collection cover and a second air knife, wherein the first dust collection cover, the first air knife, the second dust collection cover and the second air knife are positioned above the roller;

2. The dust removing device for the lithium battery pole piece laser die cutting according to claim 1, wherein the first dust collection cover and the second dust collection cover have the same structure and respectively comprise a dust collection pipeline, a telescopic pipeline and a dust collection pipeline which are sequentially connected;

3. The dust removing device for the lithium battery pole piece through laser die cutting as claimed in claim 2, wherein a flow guide ring is arranged in the middle of one end face of the dust suction pipeline close to the roller, and the flow guide ring is sleeved on the outer peripheral surface of the roller.

4. The dust removing device for the lithium battery pole piece through laser die cutting as claimed in claim 3, wherein the tangential direction of the flow guide ring is parallel to the axial direction of one end of the dust suction pipeline close to the roller.

5. The dust removing device for the lithium battery pole piece subjected to laser die cutting as claimed in claim 1, wherein the sliding mechanism comprises a pressing block and a guide rod clamping block, the guide rod clamping block penetrates through a guide rod and is fixed in position by a manual knob, and the pressing block and the guide rod clamping block jointly fix the first dust hood/the second dust hood.

6. The dust removing device for the lithium battery pole piece through laser die cutting according to claim 1, wherein the first movable block is movably connected with the guide rod;

7. The dust removing device for the lithium battery pole piece through laser die cutting according to claim 1, wherein the second movable block is movably connected with the guide rod;

8. The dust removing device for the lithium battery pole piece through laser die cutting as claimed in claim 1, wherein two ends of a center shaft of the roller are mounted in grooves of the fixing frame and fixedly connected through the pressing plate.