CN109013564B - Dust particle control device and system - Google Patents
Dust particle control device and system Download PDFInfo
- Publication number
- CN109013564B CN109013564B CN201811103238.1A CN201811103238A CN109013564B CN 109013564 B CN109013564 B CN 109013564B CN 201811103238 A CN201811103238 A CN 201811103238A CN 109013564 B CN109013564 B CN 109013564B
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- Prior art keywords
- dust
- particle control
- dust collection
- dust particle
- control device
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention provides a dust particle control device and a dust particle control system, and relates to the technical field of dust removal. The dust particle control device comprises a dust removing body; the dust removing body comprises an iron removing surface and an electrostatic removing surface which are arranged at an angle; the intersection ends of the iron removing surface and the static removing surface are connected through a connecting plane; the connecting plane is provided with a first dust collection pipeline extending into the dust collection body, and the first dust collection pipeline is connected with the output end of the air pump; the iron removing surface is provided with a second dust collection pipeline communicated with the first dust collection pipeline; the static eliminating surface is used for eliminating static on the isolating film; the iron removing surface is coated with magnetic substances for adsorbing metal scraps. The dust particle control system comprises a winding machine and the dust particle control device; the dust particle control device is fixed on the winding machine. The invention solves the technical problems of complex structure and uneven stress of the pole piece caused by independent arrangement of the dust collection device, the static electricity removing device and the iron removing device in the prior art.
Description
Technical Field
The invention relates to the technical field of dust removal, in particular to a dust particle control device and a dust particle control system.
Background
In the existing dust particle control system production winding process, dust collection devices, static removal devices and iron removal devices are required to be respectively added on equipment due to the electrostatic effect of scraps produced by tab welding and isolating films and scrap iron on pole pieces, so that the devices on winding equipment are excessively complicated; the existing dust removal device sucks dust from the end faces of the pole piece and the isolating membrane, and the dust suction mode can lead to uneven stress at two ends of the isolating membrane, so that the isolating membrane is easy to turn over during winding, and internal short circuit is caused.
Based on the above, the present invention provides a dust particle control device and system to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a dust particle control device, which is used for solving the technical problems of complex structure and uneven stress of pole pieces caused by independent arrangement of a dust suction device, a static removing device and an iron removing device in the prior art.
The invention also aims to provide a dust particle control system which comprises the dust particle control device and is used for solving the technical problems that in the prior art, a dust collection device, a static removing device and an iron removing device are independently arranged to cause the structural complexity of a winding machine and uneven stress of pole pieces.
Based on the first object, the present invention provides a dust particle control device, comprising a dust removing body;
the dust removing body comprises an iron removing surface and an electrostatic removing surface which are arranged at an angle; the intersection ends of the iron removing surface and the static removing surface are connected through a connecting plane;
the connecting plane is provided with a first dust collection pipeline extending into the dust collection body, and the first dust collection pipeline is connected with the output end of the air pump; the iron removing surface is provided with a second dust collection pipeline communicated with the first dust collection pipeline;
the static electricity removing surface is used for removing static electricity on the isolating film;
the iron removing surface is coated with magnetic substances for adsorbing metal scraps.
Optionally, the dust particle control device is characterized in that the dust removing body is fan-shaped;
the arc-shaped connecting surface for connecting the deironing surface and the separating end of the static eliminating surface is adjustable.
Optionally, the dust particle control device, the arc junction surface is the cortex connecting band.
Optionally, the arc-shaped connecting surface comprises a first arc-shaped part connected with the deironing surface and a second arc-shaped part connected with the static eliminating surface;
an adjusting structure is arranged between the first arc-shaped part and the second arc-shaped part.
Optionally, the dust particle control device, the adjusting structure includes a buckle disposed on the first arc portion and a plurality of clamping grooves disposed on the second arc portion; the clamping grooves are uniformly distributed along the radian direction of the second arc-shaped part.
Optionally, the dust particle control device is provided with a plurality of second dust collection pipelines;
and the second dust collection pipelines are arranged in an array.
Optionally, the distance between two adjacent second dust collection pipelines is smaller than the pipe diameter of the second dust collection pipeline.
Optionally, the dust particle control device is provided with a plurality of third dust collection pipelines communicated with the first dust collection pipeline on the static removing surface;
and the third dust collection pipelines are arranged in an array.
Optionally, the dust particle control device, the magnetic substance can generate 10000GS of neodymium iron boron.
Based on the second object, the present invention provides a dust particle control system, which comprises a winder and the dust particle control device;
the winding machine is provided with a positive pole piece fixing position, a negative pole piece fixing position and two isolating film fixing positions; the positive pole piece fixing position, the negative pole piece fixing position and the two isolating film fixing positions are symmetrically arranged about the center of the battery cell;
and one dust particle control device is arranged between each isolating film fixing position and the positive pole piece fixing position or the negative pole piece fixing position.
The dust particle control device provided by the invention comprises a dust removing body; the dust removing body comprises an iron removing surface and an electrostatic removing surface which are arranged at an angle; the intersection ends of the iron removing surface and the static removing surface are connected through a connecting plane; the connecting plane is provided with a first dust collection pipeline extending into the dust collection body, and the first dust collection pipeline is connected with the output end of the air pump; the iron removing surface is provided with a second dust collection pipeline communicated with the first dust collection pipeline; the static electricity removing surface is used for removing static electricity on the isolating film; the iron removing surface is coated with magnetic substances for adsorbing metal scraps. The dust particle control device provided by the invention integrates the attack and the reading of the electrostatic dust removing device, the static removing device and the iron removing device which are needed in the production and winding process of the lithium battery into a whole with simple structure, and simultaneously, the suction force of dust collection is acted on the planes of the pole pieces and the isolating film, so that the stress of the isolating film is uniform, the isolating film is prevented from being turned over in the winding process, and the safety performance of the battery is improved.
The dust particle control system provided by the invention comprises a winder and the dust particle control device; the winding machine is provided with a positive pole piece fixing position, a negative pole piece fixing position and two isolating film fixing positions; the positive pole piece fixing position, the negative pole piece fixing position and the two isolating film fixing positions are symmetrically arranged about the center of the battery cell; and one dust particle control device is arranged between each isolating film fixing position and the positive pole piece fixing position or the negative pole piece fixing position. Since the dust particle control system provided by the invention comprises the dust particle control device, the dust particle control system has all the advantages of the dust particle control device.
Based on this, compared with the prior art, the invention has the advantages of high integration of the device and uniform stress of the isolating film.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a first view angle of a first structure of a dust particle control device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first structure and a second view angle of a dust particle control device according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a second structure of a dust particle control device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a third structure of a dust particle control device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a dust particle control system according to an embodiment of the present invention.
Icon: 100-dust particle control device; 110-a dust removal body; 111-removing iron surfaces; 1111-a second dust suction pipe; 112-static-removing surface; 1121-a third dust collection pipe; 113-a connection plane; 1131-a first dust extraction duct; 114-an arcuate connecting surface; 1141-a first arcuate portion; 1142-a second arcuate portion; 1143-a regulatory structure; 200-winding machine; 210-fixing and positioning the positive electrode plate; 220-fixing and positioning a negative electrode plate; 230-fixing the isolating membrane.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the existing dust particle control system production winding process, dust collection devices, static removal devices and iron removal devices are required to be respectively added on equipment due to the electrostatic effect of scraps produced by tab welding and isolating films and scrap iron on pole pieces, so that the devices on winding equipment are excessively complicated; the existing dust removal device sucks dust from the end faces of the pole piece and the isolating membrane, and the dust suction mode can lead to uneven stress at two ends of the isolating membrane, so that the isolating membrane is easy to turn over during winding, and internal short circuit is caused.
Example 1
Fig. 1 is a schematic structural diagram of a first view angle of a first structure of a dust particle control device according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a first structure and a second view angle of a dust particle control device according to an embodiment of the present invention; FIG. 3 is a schematic structural view of a second structure of a dust particle control device according to an embodiment of the present invention; fig. 4 is a schematic structural diagram of a third structure of a dust particle control device according to an embodiment of the present invention.
As shown in fig. 1 to 4, there is provided a dust particle control apparatus 100 in the present embodiment, the dust particle control apparatus 100 including a dust removing body 110;
the dust removing body 110 comprises an iron removing surface 111 and an electrostatic removing surface 112 which are arranged at an angle; the intersection ends of the iron removing surface 111 and the static removing surface 112 are connected through a connecting plane 113;
the connection plane 113 is provided with a first dust collection pipeline 1131 extending into the dust collection body 110, and the first dust collection pipeline 1131 is connected with the output end of the air pump; the iron removing surface 111 is provided with a second dust collecting pipeline 1111 communicated with the first dust collecting pipeline 1131;
the static electricity removing surface 112 is used for removing static electricity on the isolating film;
the iron removing surface 111 is coated with a magnetic substance for adsorbing metal scraps.
The dust particle control device 100 provided by the invention is applied to a winding process of lithium battery production and is used for removing scraps generated by tab welding, static electricity on a separation film and the like. The dust particle control device 100 comprises an iron removing surface 111 for adsorbing metal scraps and an electrostatic removing surface 112 for removing static electricity on an isolating film, wherein the iron removing surface 111 and the electrostatic removing surface 112 are arranged at an angle, the size of the angle is determined according to the angle between a positive pole piece, a negative pole piece and the isolating film, and the iron removing surface 111 faces the positive pole piece or the negative pole piece and the electrostatic removing surface 112 faces the isolating film. Since the iron removing surface 111 and the static removing surface 112 are arranged at an angle, there are a junction end and a separation end, wherein the junction end of the iron removing surface 111 and the static removing surface 112 is connected through the connection plane 113, the connection plane 113 is provided with a first dust collection pipeline 1131 penetrating into the dust removing body 110, the outlet end of the first dust collection pipeline 1131 is connected with the output end of the air pump, and the chips generated by welding the lugs are sucked out from the first dust collection pipeline 1131 through the operation of the air pump. Because the chip inlet end of the first dust collection pipeline 1131 generates suction force when the air pump works, the suction force acts on the planes of the positive pole piece, the negative pole piece and the isolating film, so that the isolating film is uniformly stressed, the isolating film is prevented from being folded in the winding process, the short circuit caused by folding is avoided, and the safety performance of the battery is improved
Compared with the prior art, the invention has the advantages of high integration level and uniform stress of the isolating film.
In an alternative of this embodiment, the dust removing body 110 has a fan shape;
the arc-shaped connecting surface 114 connecting the separated ends of the iron removing surface 111 and the static removing surface 112 is adjustable.
In order to realize compact integration among the iron removing surface 111, the static removing surface 112 and the connection plane 113, the dust removing body 110 is set to be fan-shaped, and the arc-shaped connection surface 114 of the separating end of the iron removing surface 111 and the static removing surface 112 is set to be an arc length adjustable structure, so that the angle between the iron removing surface 111 and the static removing surface 112 is changed, and the whole dust particle control device 100 can be suitable for various types of winding machines 200.
In the above embodiment, further, the arc-shaped connection surface 114 is a cortical connection belt.
The saw-tooth leather connecting belt is used as the arc connecting surface 114, so that the structure is simple, the adjustment is convenient, and the cost is low. Applying a slight force to each tooth on the cortical connecting band changes the angle of opening of each tooth and maintains the state of the angle of opening after the angle of opening is changed.
In an alternative of this embodiment, the number of the second dust suction pipes 1111 is plural;
the second dust collection pipes 1111 are arranged in an array.
In the above technical solution, further, the distance between two adjacent second dust collection pipes 1111 is smaller than the pipe diameter of the second dust collection pipe 1111.
The second dust suction pipe 1111 is a traveling pipe for metal chips adsorbed on the iron removing surface 111, and when the suction pump is operated, since the second dust suction pipe 1111 is communicated with the first dust suction pipe 1131, suction force is generated at the chip inlet of the second dust suction pipe 1111, and the metal chips adsorbed on the iron removing surface 111 are discharged from the second dust suction pipe 1111 by the suction force. In this embodiment, in order to achieve a better dust removal effect, a plurality of second dust collection pipes 1111 are provided, and a plurality of second dust collection pipes 1111 are arranged in an array, and each of the second dust collection pipes 1111 is communicated with the first dust collection pipe 1131. In addition, since the size of the metal scraps is small, the distance between two adjacent second dust suction pipes 1111 is set smaller than the pipe diameter of the second dust suction pipe 1111 in the present embodiment, so that most of the metal scraps attached to the iron removing surface 111 can be sucked out by the suction pump, or the metal scraps adsorbed by the magnetic substance can be directly introduced into the second dust suction pipe 1111.
In the above solution, further, a plurality of third dust collection pipes 1121 are disposed on the static eliminating surface 112 and are communicated with the first dust collection pipe 1131;
the third dust collection pipes 1121 are arranged in an array.
In order to sufficiently suck out metal scraps, the embodiment is provided with a plurality of third dust collection pipelines 1121 on the static removing surface 112, and the third dust collection pipelines 1121 are arranged in an array manner. It is emphasized that here the function of the third suction duct 1121 is similar to that of the second suction duct 1111, and thus the structure of the second suction duct 1111 can also be used in the third suction duct 1121.
In the above technical solution, further, the magnetic substance can generate 10000GS of neodymium iron boron.
The coating amount of the magnetic substance determines the suction force for sucking out the metal chips, and the larger the coating amount is, the larger the magnetic flux density is, and the larger the suction force is generated; the smaller the coating amount, the smaller the magnetic flux density, and the smaller the suction force generated. The amount of the magnetic substance coated in this embodiment is based on Ru Tiepeng which can generate 10000GS, and at this coating amount, the attraction force generated by the magnetic substance can sufficiently suck out the metal chips without causing excessive attraction force.
In an alternative of the present embodiment, the arc connection surface 114 includes a first arc portion 1141 connected to the iron removing surface 111, and a second arc portion 1142 connected to the static removing surface 112;
an adjusting structure 1143 is disposed between the first arc-shaped portion 1141 and the second arc-shaped portion 1142.
In the above-mentioned aspect, further, the adjusting structure 1143 includes a buckle disposed on the first arc portion 1141 and a plurality of slots disposed on the second arc portion 1142; the plurality of clamping grooves are uniformly distributed along the radian direction of the second arc-shaped portion 1142.
The present embodiment provides another structure of an arc connection surface 114, which includes a first arc portion 1141 connected to the iron removal surface 111, and a second arc portion 1142 connected to the static removal surface 112, wherein an adjusting structure 1143 with a buckle and a slot is disposed at a position where the first arc portion 1141 is connected to the second arc portion 1142, and the adjusting structure 1143 ensures the stability of the angle after adjustment, so as to avoid the change of the angle between the iron removal surface 111 and the static removal surface 112 during use.
Example two
Fig. 5 is a schematic structural diagram of a dust particle control system according to an embodiment of the present invention.
As shown in fig. 5, the dust particle control system provided in this embodiment includes the dust particle control device 100 provided in the first embodiment, and the technical solution described in the first embodiment also belongs to this embodiment.
Specifically, as shown in fig. 5, there is provided a dust particle control system in the present embodiment, which includes a winder 200, and the dust particle control apparatus 100;
the winding machine 200 is provided with a positive pole piece fixing position 210, a negative pole piece fixing position 220 and two isolating film fixing positions 230; the positive electrode plate fixing position 210, the negative electrode plate fixing position 220, and the two isolating film fixing positions 230 are symmetrically arranged about the center of the battery cell;
one dust particle control device 100 is disposed between each of the separator fixing positions 230 and the positive electrode tab fixing position 210 or the negative electrode tab fixing position 220.
Specifically, the positive pole piece, the negative pole piece and the two isolating films are respectively fixed on the positive pole piece fixing position 210, the negative pole piece fixing position 220 and the two isolating film fixing positions 230, and the battery cell is placed in the center position. Four dust particle control devices 100 are respectively placed between the positive pole piece and the first isolating film, between the first isolating film and the negative pole piece, between the negative pole piece and the second isolating film and between the second isolating film and the positive pole piece, the positions of the four dust particle control devices 100 are adjusted to enable the static removing surface 112 to be aligned with the isolating film, the static removing surface 111 to be aligned with the positive pole piece and the negative pole piece, the chip inlet of the first dust collection pipeline 1131 is aligned with the winding work station, and when the system is in operation, the suction force generated by the chip inlet directly acts on the surfaces of the isolating film and the positive and negative pole pieces, so that the phenomenon that the isolating film turns over in the winding process can be avoided. The dust particle control system is highly integrated, has wide application range, can prevent the isolating film from being folded, and needs low cleaning frequency.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (7)
1. A dust particle control system, characterized in that the dust particle control system comprises a winder and a dust particle control device;
the dust particle control device comprises a dust removing body; the dust removing body comprises an iron removing surface and an electrostatic removing surface which are arranged at an angle; the intersection ends of the iron removing surface and the static removing surface are connected through a connecting plane; the connecting plane is provided with a first dust collection pipeline extending into the dust collection body, and the first dust collection pipeline is connected with the output end of the air pump; the iron removing surface is provided with a second dust collection pipeline communicated with the first dust collection pipeline; the static electricity removing surface is used for removing static electricity on the isolating film; the iron removing surface is coated with a magnetic substance for adsorbing metal scraps; the second dust collection pipelines are multiple; the second dust collection pipelines are arranged in an array manner;
the static eliminating surface is provided with a plurality of third dust collecting pipelines communicated with the first dust collecting pipeline; the third dust collection pipelines are arranged in an array manner;
the winding machine is provided with a positive pole piece fixing position, a negative pole piece fixing position and two isolating film fixing positions; the positive pole piece fixing position, the negative pole piece fixing position and the two isolating film fixing positions are symmetrically arranged about the center of the battery cell;
and one dust particle control device is arranged between each isolating film fixing position and the positive pole piece fixing position or the negative pole piece fixing position.
2. The dust particle control system of claim 1, wherein the dust removal body is fan-shaped;
the arc-shaped connecting surface for connecting the deironing surface and the separating end of the static eliminating surface is adjustable.
3. The dust particle control system of claim 2, wherein the arcuate connecting surface is a cortical connecting band.
4. The dust particle control system of claim 2, wherein the arcuate connecting surface includes a first arcuate portion connected to the de-ironing surface and a second arcuate portion connected to the de-static surface;
an adjusting structure is arranged between the first arc-shaped part and the second arc-shaped part.
5. The dust particle control system of claim 4, wherein the adjustment structure includes a catch disposed on the first arcuate portion and a plurality of detents disposed on the second arcuate portion; the clamping grooves are uniformly distributed along the radian direction of the second arc-shaped part.
6. The dust particle control system of claim 1, wherein a distance between two adjacent second dust collection pipes is smaller than a pipe diameter of the second dust collection pipes.
7. The dust particle control system of claim 1, wherein the magnetic substance is capable of producing 10000GS of neodymium iron boron.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811103238.1A CN109013564B (en) | 2018-09-20 | 2018-09-20 | Dust particle control device and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811103238.1A CN109013564B (en) | 2018-09-20 | 2018-09-20 | Dust particle control device and system |
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| CN109013564A CN109013564A (en) | 2018-12-18 |
| CN109013564B true CN109013564B (en) | 2023-08-29 |
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Families Citing this family (1)
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| CN109625650A (en) * | 2018-12-24 | 2019-04-16 | 乳源东阳光氟树脂有限公司 | A kind of finished product discharging device for powdery fluororesin scrap iron removing |
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