CN218548731U - Novel tab folding mechanism - Google Patents
Novel tab folding mechanism Download PDFInfo
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- CN218548731U CN218548731U CN202221968914.3U CN202221968914U CN218548731U CN 218548731 U CN218548731 U CN 218548731U CN 202221968914 U CN202221968914 U CN 202221968914U CN 218548731 U CN218548731 U CN 218548731U
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- folding mechanism
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- traction roller
- roller
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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 utility model relates to the technical field of lithium battery production, a novel pole lug folding mechanism is provided, which comprises a first traction roller, a second traction roller, a first tension roller, a second tension roller, a wind pre-folding mechanism and a wind bi-folding mechanism, wherein the first traction roller and the second traction roller are arranged in an up-and-down symmetrical manner; the first tension roller is positioned on one side of the first traction roller; the second tension roller is arranged at the lower side of the first tension roller; the wind power pre-folding mechanism is arranged in the middle of the first traction roller and the first tension roller in the vertical direction; the wind-power double-folding mechanism is arranged at the side part of the wind-power pre-folding mechanism; therefore, the pole pieces can be conveyed by the traction roller and the tension roller, the lug on the pole pieces can be bent and flattened by the wind pre-folding mechanism and the wind bi-folding mechanism, the continuity flattening is realized, the flattening efficiency of the lug can be improved, the problem that the working efficiency of the conventional lug flattening mechanism is low is solved, and the second traction roller is provided with an oblique chamfer to centralize the lug which is excessively bent, so that the yield is ensured.
Description
Technical Field
The utility model relates to a lithium cell production technical field especially relates to a novel roll over utmost point ear mechanism.
Background
In the production process of the lithium battery, the lug is required to be flattened and then is subjected to laser welding with the current collecting disc; present utmost point ear is rubbed flatly, mainly rubs the mode of flat through machinery and goes on, and it is rubbing flat in-process, and when mechanical device contacted metal utmost point ear, easily lead to utmost point ear wearing and tearing, if the power battery of production behind the utmost point ear wearing and tearing can have the safety risk, consequently needs brand-new utmost point ear not damaged to rub flatly to buckle the structure.
The utility model discloses a current grant bulletin No. CN 215527896U's utility model discloses a flat device is rubbed in advance to full utmost point ear cylindrical lithium battery tab, including regulator, temperature regulating device and fixing device, temperature regulating device's inlet end with the regulator links to each other, temperature regulating device's the end of giving vent to anger with fixing device links to each other, fixing device's inside is equipped with the cavity, be equipped with the play gas nozzle on the cavity inner wall, temperature regulating device's the end of giving vent to anger passes through behind the fixing device after-fixing with the play gas nozzle links to each other. The pressure of the compressed gas is adjusted by using the pressure adjusting device, the compressed gas is heated by using the temperature control device, and the high-temperature gas is sprayed out from the gas outlet nozzle of the fixing device and then heats the metal lug to soften the metal lug; the compressed gas forms high-pressure airflow to shape and rub the metal tab; the metal pole lug is pre-kneaded flatly by high-temperature compressed gas, so that the mechanical vibration and friction between metals are reduced, and the generation of metal chips in the pre-kneading flatting process of the pole lug is further reduced.
According to the flattening device provided by the technical scheme, the pole lugs are flattened after the pole pieces are wound, so that the pole lugs can only be flattened on a single battery cell, continuous flattening of the pole lugs cannot be realized, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a work efficiency is high and the stable novel utmost point ear mechanism of rolling over of shaping.
The technical scheme of the utility model is realized like this: the utility model provides a novel tab folding mechanism, which comprises a first traction roller, a second traction roller, a first tension roller, a second tension roller, a wind pre-folding mechanism and a wind double-folding mechanism, wherein,
the first traction roller and the second traction roller are arranged up and down symmetrically, and the end part of the second traction roller is provided with an oblique chamfer;
the first tension roller is positioned on one side of the first traction roller;
the second tension roller is arranged at the lower side of the first tension roller;
the wind power pre-folding mechanism is arranged in the middle of the first traction roller and the first tension roller in the vertical direction, and the wind power pre-folding mechanism and the first traction roller are relatively fixed;
the wind power double-folding mechanism is arranged on the side part of the wind power pre-folding mechanism, the wind power double-folding mechanism is arranged in an inclined mode, and the wind power double-folding mechanism and the wind power pre-folding mechanism are relatively fixed in position.
On the basis of the technical scheme, preferably, the chamfer angle distance of the chamfer angle along the axial direction of the second traction roller is 2-10 mm.
On the basis of the technical scheme, preferably, the chamfer angle distance along the axial direction of the second traction roller is 5mm.
On the basis of the technical scheme, preferably, the wind power pre-folding mechanism comprises a main body, heating wires, an air inlet pipe and an air outlet pipe, wherein the heating wires are fixed inside the main body; the air inlet pipe is fixed at the top end of the main body and communicated with the main body, and the air inlet pipe is connected with air supply equipment; the air outlet pipe is fixed at the bottom end of the main body and communicated with the main body.
On the basis of the technical scheme, preferably, the wind power pre-folding mechanism comprises a pressure sensor and a temperature sensor, wherein the pressure sensor is fixed in the air inlet pipe; the temperature sensor is fixed in the main body.
On the basis of the technical scheme, preferably, the wind power folding mechanism has the same structure as the wind power pre-folding mechanism, and the air outlet direction of the wind power folding mechanism is perpendicular to the lug flattened by the wind power pre-folding mechanism.
On the basis of the technical scheme, preferably, the heating temperature of the heating wire in the wind power prefolding mechanism is 50-80 ℃.
On the basis of the technical scheme, preferably, the heating temperature of the heating wires in the wind-power folding mechanism is 80-120 ℃.
On the basis of the technical scheme, preferably, the air outlet pressure of the wind pre-folding mechanism is 0.3-0.5 Mpa.
On the basis of the technical scheme, preferably, the air outlet pressure of the wind-power two-fold mechanism is 0.5-0.8 Mpa.
The utility model discloses a novel roll over utmost point ear mechanism has following beneficial effect for prior art:
(1) Be used for carrying the pole piece through being provided with first carry over pinch rolls, second carry over pinch rolls, first tension roll and second tension roll, and be provided with wind-force in the intermediate position of carry over pinch rolls and tension roll and fold mechanism and wind-force in advance and roll the utmost point ear on the pole piece and rub the tie, so, just can realize rubbing the tie in succession of utmost point ear, rub the tie after comparing the pole piece coiling, have better and rub flat efficiency.
(2) Because the fact that the lug is flattened by utilizing the gas is unstable, the fact that the lug is flattened to the same angle is difficult to guarantee, an oblique chamfer is arranged at the end of the second traction roller, and therefore after the lug is flattened and bent, if excessive bending occurs, the lug can be righted by the oblique chamfer when passing through the second traction roller, so that the flattening consistency of the lug is improved, and the flattening quality is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a perspective view of the novel tab folding mechanism of the present invention;
fig. 2 is a front view of the novel tab folding mechanism of the present invention;
fig. 3 is a side view of the novel tab folding mechanism of the present invention;
fig. 4 is a top view of the novel tab folding mechanism of the present invention;
fig. 5 is the internal structure diagram of the wind-force pre-folding mechanism of the novel ear folding mechanism of the utility model.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
As shown in fig. 1 to 5, the novel tab folding mechanism of the present invention includes a first traction roller 1, a second traction roller 2, a first tension roller 3, a second tension roller 4, a wind pre-folding mechanism 5 and a wind bi-folding mechanism 6; the ear folding mechanism is used for bending and kneading the ear S1 on the pole piece S.
As shown in fig. 1 to 4, a first drawing roller 1 and a second drawing roller 2 are arranged up and down symmetrically; the first tension roller 3 is positioned on one side of the first traction roller 1; the second tension roller 4 is arranged at the lower side of the first tension roller 3; the wind power pre-folding mechanism 5 is vertically arranged between the first traction roller 1 and the first tension roller 3, and the wind power pre-folding mechanism 5 and the first traction roller 1 are relatively fixed; the wind power double-folding mechanism 6 is arranged at the side part of the wind power pre-folding mechanism 5, the wind power double-folding mechanism 6 is arranged in an inclined shape, and the positions of the wind power double-folding mechanism 6 and the wind power pre-folding mechanism 5 are relatively fixed;
according to the structure, the first traction roller 1 and the second traction roller 2 are used for drawing the pole piece S to move, the first tension roller 3 and the second tension roller 4 are used for conveying and supporting the pole piece S, meanwhile, the tension of the pole piece S is kept, in the advancing process of the pole piece S, the pole lug S1 is pre-kneaded flatly by the wind pre-bending mechanism 5, the pole lug S1 can incline downwards after being pre-kneaded flatly, the wind-force bi-bending mechanism 6 is obliquely arranged, so that the outlet air of the wind-force bi-bending mechanism 6 can be blown onto the pole lug S1 which is pre-kneaded flatly, and therefore the pole lug S1 is kneaded flatly twice, preferably, the outlet direction of the wind-force bi-bending mechanism 6 is perpendicular to the pole lug which is kneaded flatly by the wind-force pre-bending mechanism 5, the required wind force pressure is minimum at the moment, and the pole lug S1 can be formed conveniently; therefore, the tab S1 can be continuously rubbed flat, and the tab folding mechanism can be integrated on a winding machine table, so that the production efficiency is improved, the occupied space is small, and the arrangement is facilitated;
because the air force is utilized to rub the tabs flatly, the bending angle of the tabs S1 can be uncontrollable, the bending deviation is easy to exist, and a part of the tabs S1 can be slightly excessively bent, so that the bending consistency of the tabs S1 is not high, an inclined chamfer 201 is arranged at the end part of the second traction roller 2, the axial chamfer distance of the inclined chamfer 201 along the second traction roller 2 is 2-10 mm, and the distance is set according to the length of the tabs S1, and is preferably 5mm; therefore, when the bent tab S1 passes through the inclined chamfer 201, the tab S1 which is excessively bent is straightened, so that the bending consistency of the tab S1 is ensured, and the yield is improved.
In this embodiment, as a preferable mode, as shown in fig. 5, the wind pre-folding mechanism 5 includes a main body 501, a heating wire 502, an air inlet pipe 503 and an air outlet pipe 504, wherein the heating wire 502 is fixed inside the main body 501; the air inlet pipe 503 is fixed at the top end of the main body 501, the air inlet pipe 503 is communicated with the main body 501, and the air inlet pipe 503 is connected with air supply equipment; the air outlet pipe 504 is fixed at the bottom end of the main body 501, and the air outlet pipe 504 is communicated with the main body 501;
in this way, after the air supply device supplies air into the wind pre-folding mechanism 5, the air is heated by the heating wire 502 and then is ejected to the tab S1 through the air outlet pipe 504 to heat and flatten the tab S1; in order to further optimize the structure of the wind pre-folding mechanism 5, the air inlet pipe 503 can be directly connected to the air heater, so that the heating wire 502 is not required.
In this embodiment, as a preferable mode, as shown in fig. 5, the wind pre-folding mechanism 5 includes a pressure sensor 505 and a temperature sensor 506, wherein the pressure sensor 505 is fixed in the air inlet pipe 503; the temperature sensor 506 is fixed in the main body 501;
the pressure sensor 505 is used for detecting wind pressure, and the temperature sensor 506 is used for detecting gas temperature so as to ensure the kneading and flattening effect on the tab S1, specifically, the heating temperature of the heating wire 502 in the wind pre-folding mechanism 5 is controlled to be 50-80 ℃, and the air outlet pressure is controlled to be 0.3-0.5 Mpa.
The structure of the wind-force folding mechanism 6 is the same as that of the wind-force pre-folding mechanism 5, and because the pole ear S1 is bent by the wind-force pre-folding mechanism 5, the force required during the secondary bending is larger than that during the pre-folding, the heating temperature of a heating wire 502 in the wind-force folding mechanism 6 is controlled to be 80-120 ℃, and the air outlet pressure is controlled to be 0.5-0.8 Mpa, so that the pole ear S1 can be smoothly bent and flattened.
The method comprises the following specific implementation steps:
when the pole lug S1 is flatly kneaded, the first traction roller 1 and the second traction roller 2 are used for driving the pole lug S to move, the first tension roller 3 and the second tension roller 4 are used for supporting the pole lug S and keeping tension, the wind power preflex mechanism 5 and the wind power preflex mechanism 6 are connected with air supply equipment, after air flow enters the wind power preflex mechanism 5 and the wind power preflex mechanism 6, the air flow can be heated by the heating wire 502, hot air is blown out to heat and flatly knead the pole lug S1, the wind power preflex mechanism 5 is preflex flatly kneaded, the wind power preflex mechanism 6 is secondarily rubbed flatly, the pole lug S1 is flatly kneaded in place, due to instability of wind power, a part of the pole lug S1 can be slightly excessively bent, at the moment, when the pole lug S passes through the two traction rollers, the inclined chamfer 201 on the second traction roller 2 can centralize the excessively bent pole lug S1 to ensure the bending consistency of the pole lug S1, and accordingly the yield is improved, the pressure sensor 505 is used for controlling air outlet pressure and ensuring the bending amplitude of the pole lug S1.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A novel roll over utmost point ear mechanism which characterized in that: comprises a first traction roller (1), a second traction roller (2), a first tension roller (3), a second tension roller (4), a wind pre-folding mechanism (5) and a wind bi-folding mechanism (6),
the first traction roller (1) and the second traction roller (2) are symmetrically arranged up and down, and the end part of the second traction roller (2) is provided with an oblique chamfer (201);
the first tension roll (3) is positioned at one side of the first traction roll (1);
the second tension roller (4) is arranged at the lower side of the first tension roller (3);
the wind power pre-folding mechanism (5) is arranged in the middle of the first traction roller (1) and the first tension roller (3) in the vertical direction, and the wind power pre-folding mechanism (5) and the first traction roller (1) are relatively fixed;
the wind power double-folding mechanism (6) is arranged on the side part of the wind power pre-folding mechanism (5), the wind power double-folding mechanism (6) is arranged in an inclined shape, and the positions of the wind power double-folding mechanism (6) and the wind power pre-folding mechanism (5) are relatively fixed.
2. The novel tab folding mechanism as claimed in claim 1, wherein: the axial chamfer distance of the inclined chamfer (201) along the second traction roller (2) is 2-10 mm.
3. The novel tab folding mechanism as claimed in claim 2, wherein: the axial chamfer distance of the inclined chamfer (201) along the second traction roller (2) is 5mm.
4. A novel tab folding mechanism as claimed in any one of claims 1 to 3, wherein: the wind power pre-folding mechanism (5) comprises a main body (501), a heating wire (502), an air inlet pipe (503) and an air outlet pipe (504), wherein,
a heating wire (502) is fixed inside the main body (501);
the air inlet pipe (503) is fixed at the top end of the main body (501), the air inlet pipe (503) is communicated with the main body (501), and the air inlet pipe (503) is connected with air supply equipment;
the air outlet pipe (504) is fixed at the bottom end of the main body (501), and the air outlet pipe (504) is communicated with the main body (501).
5. The novel tab folding mechanism as claimed in claim 4, wherein: the wind power pre-folding mechanism (5) comprises a pressure sensor (505) and a temperature sensor (506), wherein,
the pressure sensor (505) is fixed in the air inlet pipe (503);
the temperature sensor (506) is fixed in the main body (501).
6. The novel tab folding mechanism as claimed in claim 5, wherein: the wind power folding mechanism (6) has the same structure as the wind power pre-folding mechanism (5), and the air outlet direction of the wind power folding mechanism (6) is perpendicular to the lug flattened by the wind power pre-folding mechanism (5).
7. The novel tab folding mechanism as claimed in claim 6, wherein: the heating temperature of the heating wires (502) in the wind power pre-folding mechanism (5) is 50-80 ℃.
8. The novel tab folding mechanism as claimed in claim 7, wherein: the heating temperature of the heating wires (502) in the wind-power folding mechanism (6) is 80-120 ℃.
9. The novel tab folding mechanism according to claim 8, characterized in that: the air outlet pressure of the wind pre-folding mechanism (5) is 0.3-0.5 Mpa.
10. The novel tab folding mechanism as claimed in claim 9, wherein: the air outlet pressure of the wind-power double-folding mechanism (6) is 0.5-0.8 Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221968914.3U CN218548731U (en) | 2022-07-28 | 2022-07-28 | Novel tab folding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221968914.3U CN218548731U (en) | 2022-07-28 | 2022-07-28 | Novel tab folding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218548731U true CN218548731U (en) | 2023-02-28 |
Family
ID=85268833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221968914.3U Active CN218548731U (en) | 2022-07-28 | 2022-07-28 | Novel tab folding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218548731U (en) |
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2022
- 2022-07-28 CN CN202221968914.3U patent/CN218548731U/en active Active
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