CN219658774U - Winding machine and auxiliary device thereof - Google Patents
Winding machine and auxiliary device thereof Download PDFInfo
- Publication number
- CN219658774U CN219658774U CN202320629635.2U CN202320629635U CN219658774U CN 219658774 U CN219658774 U CN 219658774U CN 202320629635 U CN202320629635 U CN 202320629635U CN 219658774 U CN219658774 U CN 219658774U
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- China
- Prior art keywords
- pole piece
- negative pole
- air
- winding
- dust
- Prior art date
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- 238000004804 winding Methods 0.000 title claims abstract description 70
- 239000000428 dust Substances 0.000 claims abstract description 70
- 238000007664 blowing Methods 0.000 claims abstract description 25
- 230000001105 regulatory effect Effects 0.000 claims abstract description 19
- 239000013307 optical fiber Substances 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 13
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000429 assembly Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model relates to the technical field of winding machines, and discloses a winding machine and an auxiliary device thereof, wherein the auxiliary device comprises two groups of blowing components which are respectively positioned at two sides of a tab of a negative pole piece, and the blowing components comprise: the utility model starts and drives a plurality of air outlets of the air outlet row through the air pipe when the winding machine works, the air flow regulating valve can regulate the air speed of the air outlets, and as the two groups of air blowing components are respectively arranged on two sides of the lug of the negative pole piece, the lug of the negative pole piece can be stably blown flat along with the winding of the negative pole piece, and meanwhile, the dust collection component can absorb dust generated on the lug of the negative pole piece, so that the situation that the lug on the negative pole piece is bent when the negative pole piece is wound can be ensured, the influence of the dust on the winding effect of the negative pole piece can be reduced, and the quality of an electric core is ensured.
Description
Technical Field
The utility model relates to the technical field of winding machines, in particular to a winding machine and an auxiliary device thereof.
Background
With the rapid development of the lithium battery industry, the requirements on the production efficiency of the battery cell are higher and higher. As a key process of the battery cell, a winding process, the winding efficiency of the winding machine greatly affects the production efficiency of the battery cell. Therefore, in order to improve the production efficiency of the battery cell, the conventional method is to increase the winding speed of the winding machine, but with the increase of the winding speed, problems such as tab folding and metal dust infiltration occur, so that the winding effect is poor, and the quality of the battery cell is affected.
Disclosure of Invention
The utility model aims to solve the problem that the winding effect is poor due to high winding speed in the prior art, and provides a winding machine and an auxiliary device thereof, wherein the winding machine and the auxiliary device thereof have the function of good winding effect.
In order to achieve the above object, an aspect of the present utility model provides an auxiliary device of a winding machine, comprising:
two sets of subassembly of blowing are located the both sides of the utmost point ear of negative pole piece respectively, the subassembly of blowing includes:
the air outlet row is provided with a plurality of air outlets which are uniformly distributed along the trend of the lugs of the negative pole piece;
one end of the air pipe is connected with one end of the air outlet row away from the negative pole piece and is communicated with the air outlets, and the other end of the air pipe is connected with the air blowing device;
the air flow regulating valve is arranged on the air pipe and used for regulating the flow of the air flow regulating valve;
the dust collection assembly is arranged near the extending end of the lug of the negative pole piece and is used for absorbing dust on the lug of the negative pole piece.
Optionally, the dust collection assembly comprises:
the opening side of the dust collecting box is sleeved outside the extending end of the lug of the negative pole piece;
one end of the fixed bracket is connected with the outer side of the dust collecting box, and the other end of the fixed bracket is communicated with the inner wall of the winding machine body;
one end of the dust collection pipe is communicated with the inside of the dust collection box, and the other end of the dust collection pipe is connected with the dust collection device.
Optionally, the cross-sectional shape of the dust box includes a semi-circular arc shape.
Optionally, the air pipe is fixed on the inner wall of the winder body through a magnetic attraction block.
Optionally, the auxiliary device further comprises:
the optical fiber sensor is sleeved on the outer side of the negative pole piece and used for detecting the number of lugs on the negative pole piece;
the alarm is arranged on the inner wall of the winding machine body and connected with the optical fiber sensor and is used for sending out alarm prompts when the number of lugs on the negative pole piece is unqualified.
Optionally, the auxiliary device further comprises an anode magnetic bar and a cathode magnetic bar, wherein the anode magnetic bar and the cathode magnetic bar are both arranged on the inner wall of the winding machine body and are respectively positioned on the side edges of the anode pole piece and the cathode pole piece.
Optionally, the positive pole magnetic bar and the negative pole magnetic bar are both provided with two groups, and are respectively distributed on two sides of the positive pole piece and the negative pole piece in a staggered manner.
In another aspect, the present utility model also provides a winding machine, including:
the winding machine body comprises a winding needle which is used for winding the positive pole piece, the upper diaphragm, the negative pole piece and the lower diaphragm into an electric core;
an auxiliary device as claimed in any preceding claim.
Through the technical scheme, the winding machine and the auxiliary device thereof provided by the utility model are characterized in that when the winding machine works, the air blowing device is started and drives the air outlets of the air outlet row to air out through the air pipes, the air flow regulating valve can regulate the air speed of the air outlets, and as the two groups of air blowing components are respectively arranged on the two sides of the lug of the negative pole piece, the lug of the negative pole piece can be stably blown flat along with the winding of the negative pole piece, and meanwhile, the dust collection component can absorb dust generated on the lug of the negative pole piece, so that the situation that the lug on the negative pole piece is bent when the negative pole piece is wound can be ensured, meanwhile, the influence of the dust on the winding effect of the negative pole piece can be reduced, and the quality of the electrode core is ensured.
Drawings
Fig. 1 is a schematic structural view of an auxiliary device of a winding machine according to an embodiment of the present utility model;
FIG. 2 is an enlarged schematic view of area A of FIG. 1;
FIG. 3 is an enlarged schematic view of region B of FIG. 1;
FIG. 4 is a schematic view of the structure of an air outlet row in an auxiliary device of a winding machine according to an embodiment of the present utility model;
fig. 5 is an enlarged schematic view of region C in fig. 4.
Description of the reference numerals
1. Winding machine body 2, positive pole piece
3. Positive pole magnetic bar 4 and negative pole piece
5. Winding needle 6 and dust collecting box
7. Fixed bolster 8, negative pole magnetic bar
9. Air duct 10 and dust suction pipe
11. Air flow regulating valve 12 and optical fiber sensor
13. Alarm 14, air outlet
15. Air outlet
Detailed Description
The following describes the detailed implementation of the embodiments of the present utility model with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
Fig. 1 is a schematic structural view of an auxiliary device of a winding machine according to an embodiment of the present utility model; FIG. 4 is a schematic view of the structure of an air outlet row in an auxiliary device of a winding machine according to an embodiment of the present utility model; fig. 5 is an enlarged schematic view of region C in fig. 4. In fig. 1, 4 and 5, the auxiliary device may include two sets of blower assemblies and a dust collection assembly. In particular, the blower assembly may comprise an air outlet row 14, an air duct 9 and an air flow regulating valve 11. Specifically, the air outlet row 14 may include a plurality of air outlets 15.
The two groups of blowing components are respectively positioned at two sides of the lug of the negative pole piece 4, a plurality of air outlets 15 are arranged on the air outlet row 14, and the air outlets 15 are uniformly distributed along the trend of the lug of the negative pole piece 4. One end of the air pipe 9 is connected with one end of the air outlet row 14, which is far away from the negative pole piece 4, and is communicated with a plurality of air outlets 15, and the other end of the air pipe 9 is used for being connected with a blowing device. An air flow regulating valve 11 is provided on the air duct 9 for regulating the flow rate of the air flow regulating valve 11. The dust collection component is arranged near the extending end of the lug of the negative pole piece 4 and is used for absorbing dust on the lug of the negative pole piece 4. Specifically, the extending end of the tab is the end of the tab extending out of the side edge of the negative electrode plate 4.
The blower is started, and air is blown out to the air outlet 14 through the air pipe 9, so that a plurality of air outlets 15 of the air outlet 14 are enabled to stably discharge air. In the winding process of the negative electrode plate 4, the tabs on the negative electrode plate 4 sequentially pass through the two groups of air outlet rows 14, and can be kept in a flat state under the relative blowing of the two groups of air outlet rows 14, so that the bent tabs can be blown flat. In addition, when the air outlet row 14 blows the lugs, metal dust can be generated, and the dust collection assembly is started synchronously, so that dust such as metal on the lugs of the negative electrode plate 4 can be absorbed, and the cleanliness of the lugs of the negative electrode plate 4 is guaranteed.
In order to improve the production efficiency of the battery cell, the conventional winding machine needs to improve the winding speed of the winding machine. However, with the improvement of the winding speed, the problems of tab bending, metal dust penetration and the like are easy to occur, and further the winding effect and the quality are affected. In the embodiment of the utility model, the two groups of blowing assemblies are matched with a mode of blowing the lug, so that the flatness requirement of the lug can be ensured, the dust collection assembly can synchronously absorb and remove metal dust on the lug of the negative pole piece 4, the winding effect and quality of the battery cell are ensured, and the problem of instability of high short circuit rate after the pole piece is wound into the battery cell is solved. In addition, the plurality of air outlets 15 are uniformly distributed along the trend of the tab, so that the effect of blowing the tab can be further improved.
In this embodiment of the present utility model, the airflow control valve 11 can control the flow rates of the duct 9 and the air outlet 15. Specifically, in view of further improving the blowing effect on the tab, the optimum air flow pressure range of the air flow regulating valve 11 is 11Pa to 30Pa, and the optimum blowing air speed range is 4.1m/s to 6.9m/s.
In this embodiment of the present utility model, as shown in fig. 1 and 2, the dust collection assembly may include a dust collection box 6, a fixing bracket 7, and a dust collection pipe 10.
The open side cover of dust collection box 6 is established in the protruding end outside of the utmost point ear of negative pole piece 4, and the one end of fixed bolster 7 is connected with the outside of dust collection box 6, and the other end of fixed bolster 7 communicates with the inner wall of winder body 1, and the one end of dust absorption pipe 10 communicates with the inside of collection dirt and 6, and the other end of dust absorption pipe 10 is used for being connected with dust extraction.
When the dust on the lugs of the negative pole piece 4 is required to be sucked, the dust suction device is started, and the dust in the dust collection box 6 is sucked through the dust suction pipe 10. Because the dust collection box 6 is sleeved at the extending end of the lug of the negative pole piece 4, the dust collection box 6 can reliably suck out dust on the lug of the negative pole piece 4, and the suction effect is good, and the blowing-out of the lugs by the two groups of blowing components is not influenced.
In this embodiment of the present utility model, the optimum absorption wind speed range of the dust collection assembly includes 18m/s to 25m/s in consideration of the suction effect of the dust collection assembly on the tab.
In this embodiment of the present utility model, the cross-sectional shape of the dust box 6 may be in various forms known to those skilled in the art, such as a U-shape, a V-shape, etc. In a preferred example of the present utility model, however, the cross-sectional shape of the dust collection unit 6 includes a semicircular arc shape in consideration of the effect and reliability of dust absorption.
In this embodiment of the utility model and the fixing means for the air duct 9 include, but are not limited to, fixing to the inner wall of the winder body 1 by means of magnetic attraction blocks.
In this embodiment of the utility model, the auxiliary device may further comprise a fiber optic sensor 12 and an alarm 13, as shown in fig. 1 and 3.
The optical fiber sensor 12 is sleeved on the outer side of the negative pole piece 4 and used for detecting the number of the negative pole piece 4, and the alarm is arranged on the inner wall of the winding machine body 1 and connected with the optical fiber sensor 12 and used for sending out alarm prompts when the number of the lugs on the negative pole piece 4 is unqualified.
After the winding speed of the winding machine is increased, the situation that the quantity of the tabs is not detected timely can occur. Therefore, in the winding process of the negative electrode plate 4, the optical fiber sensor 12 can detect the number of the tabs on the negative electrode plate 4, if the number of the tabs on the negative electrode plate 4 is unqualified, an alarm prompt can be sent out to inform a worker, and the worker takes corresponding treatment measures to avoid the condition that unqualified battery cells are taken off line, so that the quality of the battery cells is further ensured.
In this embodiment of the utility model, as shown in fig. 1 and 2, the auxiliary device may further include a positive pole magnetic bar 3 and a negative pole magnetic bar 8.
The positive pole magnetic bar 3 and the negative pole magnetic bar 8 are arranged on the inner wall of the winding machine body 1 and are respectively positioned on the side edges of the positive pole piece 2 and the negative pole piece 4.
In the process of winding the positive pole piece 2 and the negative pole piece 4, the positive pole magnetic rod 3 and the negative pole magnetic rod 8 can respectively absorb metal dust on the positive pole piece 2 and the negative pole piece 4, so that the quality of the battery cell is further improved.
In this embodiment of the present utility model, the number of positive electrode magnetic bars 3 and negative electrode magnetic bars 8 may be various forms known to those skilled in the art, such as one set, three sets, and the like. In a preferred example of the present utility model, however, the number of the positive and negative magnetic bars 3 and 8 may include two groups in consideration of reliability and effectiveness of metal dust absorption on the positive and negative electrode tabs 2 and 4. Specifically, two groups of positive magnetic bars 3 and two groups of negative magnetic bars 8 are respectively distributed on two sides of the positive pole piece 2 and the negative pole piece 4 in a staggered manner.
On the other hand, the utility model also provides a winding machine, as shown in fig. 1. In particular, in fig. 1, the winder may comprise a winder body 1 and auxiliary devices. Specifically, the winder body 1 may include a winding needle 5; the auxiliary device may include two sets of blower assemblies and a suction assembly. In particular, the blower assembly may comprise an air outlet row 14, an air duct 9 and an air flow regulating valve 11. Specifically, the air outlet row 14 may include a plurality of air outlets 15.
The winding needle 5 is used for winding the positive electrode pole piece 2, the upper diaphragm, the negative electrode pole piece 4 and the lower diaphragm into a battery cell. The two groups of blowing components are respectively positioned at two sides of the lug of the negative pole piece 4, a plurality of air outlets 15 are arranged on the air outlet row 14, and the air outlets 15 are uniformly distributed along the trend of the lug of the negative pole piece 4. One end of the air pipe 9 is connected with one end of the air outlet row 14, which is far away from the negative pole piece 4, and is communicated with a plurality of air outlets 15, and the other end of the air pipe 9 is used for being connected with a blowing device. An air flow regulating valve 11 is provided on the air duct 9 for regulating the flow rate of the air flow regulating valve 11. The dust collection component is arranged near the extending end of the lug of the negative pole piece 4 and is used for absorbing dust on the lug of the negative pole piece 4. Specifically, the extending end of the tab is the end of the tab extending out of the side edge of the negative electrode plate 4.
The blower is started, and air is blown out to the air outlet 14 through the air pipe 9, so that a plurality of air outlets 15 of the air outlet 14 are enabled to stably discharge air. In the winding process of the negative electrode plate 4, the tabs on the negative electrode plate 4 sequentially pass through the two groups of air outlet rows 14, and can be kept in a flat state under the relative blowing of the two groups of air outlet rows 14, so that the bent tabs can be blown flat. In addition, when the air outlet row 14 blows the lugs, metal dust can be generated, and the dust collection assembly is started synchronously, so that dust such as metal on the lugs of the negative electrode plate 4 can be absorbed, and the cleanliness of the lugs of the negative electrode plate 4 is guaranteed.
Through the technical scheme, the winding machine and the auxiliary device thereof provided by the utility model are characterized in that when the winding machine works, the air blowing device is started and drives the air outlets 15 of the air outlet row 14 through the air pipe 9 to air, the air flow regulating valve 11 can regulate the air speed of the air outlets 15, and as the two groups of air blowing components are respectively arranged on the two sides of the lug of the negative pole piece 4, the lug of the negative pole piece 4 can be stably blown flat along with the winding of the negative pole piece 4, and meanwhile, the dust collection component can absorb dust generated on the lug of the negative pole piece 4, so that the situation that the lug on the negative pole piece 4 is bent when the negative pole piece is wound can be ensured, the influence of the dust on the winding effect of the negative pole piece 4 can be reduced, and the quality of an electric core is ensured.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model. In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.
Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.
Claims (8)
1. An auxiliary device for a winding machine, comprising:
two sets of subassembly of blowing are located the both sides of the utmost point ear of negative pole piece (4) respectively, the subassembly of blowing includes:
the air outlet row (14), a plurality of air outlets (15) are arranged on the air outlet row (14), and the air outlets (15) are uniformly distributed along the trend of the lugs of the negative pole piece (4);
one end of the air pipe (9) is connected with one end of the air outlet row (14) far away from the negative pole piece (4), and is communicated with a plurality of air outlets (15), and the other end of the air pipe is connected with the air blowing device;
an air flow regulating valve (11) arranged on the air pipe (9) and used for regulating the flow of the air flow regulating valve (11);
the dust collection assembly is arranged near the extending end of the lug of the negative pole piece (4) and is used for absorbing dust on the lug of the negative pole piece (4).
2. The accessory device of claim 1, wherein the dust extraction assembly comprises:
the dust collecting box (6) is sleeved outside the extending end of the lug of the negative pole piece (4) at the opening side of the dust collecting box (6);
one end of the fixed bracket (7) is connected with the outer side of the dust collection box (6), and the other end of the fixed bracket is communicated with the inner wall of the winder body (1);
and one end of the dust collection pipe (10) is communicated with the interior of the dust collection box (6), and the other end of the dust collection pipe is used for being connected with a dust collection device.
3. Auxiliary device according to claim 2, characterized in that the cross-sectional shape of the dust box (6) comprises a semi-circular arc.
4. Auxiliary device according to claim 2, characterized in that the air duct (9) is fixed to the inner wall of the winder body (1) by means of magnetic blocks.
5. The auxiliary device of claim 2, further comprising:
the optical fiber sensor (12) is sleeved on the outer side of the negative pole piece (4) and is used for detecting the number of lugs on the negative pole piece (4);
the alarm (13) is arranged on the inner wall of the winding machine body (1) and is connected with the optical fiber sensor (12) and used for sending out an alarm prompt when the number of lugs on the negative pole piece (4) is unqualified.
6. Auxiliary device according to claim 2, characterized in that it further comprises a positive magnetic bar (3) and a negative magnetic bar (8), both the positive magnetic bar (3) and the negative magnetic bar (8) being arranged on the inner wall of the winder body (1), being located on the sides of the positive pole piece (2) and the negative pole piece (4), respectively.
7. Auxiliary device according to claim 6, characterized in that the positive pole magnetic bar (3) and the negative pole magnetic bar (8) are provided with two groups, and are respectively staggered on both sides of the positive pole piece (2) and the negative pole piece (4).
8. A winding machine, characterized by comprising:
the winding machine comprises a winding machine body (1), wherein the winding machine body (1) comprises a winding needle (5), and the winding needle (5) is used for winding a positive pole piece (2), an upper diaphragm, a negative pole piece (4) and a lower diaphragm into a battery core;
an auxiliary device as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320629635.2U CN219658774U (en) | 2023-03-27 | 2023-03-27 | Winding machine and auxiliary device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320629635.2U CN219658774U (en) | 2023-03-27 | 2023-03-27 | Winding machine and auxiliary device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219658774U true CN219658774U (en) | 2023-09-08 |
Family
ID=87862614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320629635.2U Active CN219658774U (en) | 2023-03-27 | 2023-03-27 | Winding machine and auxiliary device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219658774U (en) |
-
2023
- 2023-03-27 CN CN202320629635.2U patent/CN219658774U/en active Active
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