CN211026959U - Lithium electricity coating pole piece oven - Google Patents
Lithium electricity coating pole piece oven Download PDFInfo
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- CN211026959U CN211026959U CN201920843707.7U CN201920843707U CN211026959U CN 211026959 U CN211026959 U CN 211026959U CN 201920843707 U CN201920843707 U CN 201920843707U CN 211026959 U CN211026959 U CN 211026959U
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Abstract
The utility model discloses a lithium electricity coating pole piece oven, first winding roller rotates and installs in the box, has arranged electric heating pipe on a plurality of heating plates, and a plurality of heating plates install in the box and around first winding roller formation many rings of loop configuration, and the interval distance between arbitrary two adjacent rings of heating plates forms the passageway, and a plurality of turn-over rollers are installed in the box and along the interval setting of passageway length direction, and second winding roller rotates and installs in the box and is located the loop configuration outside; one of them in first winding up roller and the second winding up roller is used for releasing the pole piece of treating drying, and another is used for the pole piece after the rolling is dried, and the pole piece between first winding up roller and the second winding up roller is in remove in the passageway, the pole piece in the heating plate is to the passageway is dried, because the pole piece also encircles in the box and arranges, therefore shared space is less, and then the volume of box also can not be too big to avoid the box to cause the waste of heat great because of the volume is too big, reduced the energy consumption.
Description
Technical Field
The utility model relates to a lithium cell technical field especially relates to a lithium electricity coating pole piece oven.
Background
The coating process is a crucial process in the production process of the conventional power battery, and the moisture and the solvent in the pole piece can be dried through high-temperature direct baking and hot air baking in the process, so that the reliability of the battery pole piece is ensured. Because the existing oven adopts a linear heating scheme, the equipment is overlong, the occupied area is large, the volume space wasted by the oven is large, and the energy consumption is high.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem who exists among the background art, the utility model provides a lithium electricity coating pole piece oven.
The utility model provides a lithium battery coating pole piece oven, which comprises a box body, a first winding roller, a second winding roller, a plurality of heating sheets and a plurality of turning rollers;
the first winding roller is rotatably arranged in the box body;
the heating plates are arranged in the box body and form a multi-ring annular structure around the first winding roller, and a channel is formed between any two adjacent rings of heating plates at intervals;
the plurality of turning rollers are arranged in the box body and are arranged at intervals along the length direction of the channel;
the second winding roller is rotatably arranged in the box body and is positioned outside the annular structure.
Preferably, the heating plate further comprises an air supply pipe, the air supply pipe is arranged on the heating plate, and air outlets are formed in the air supply pipe at intervals along the length direction.
Preferably, the air supply duct is disposed on the electric-heating pipe and is disposed in parallel with the electric-heating pipe.
Preferably, the blast pipe is provided with fins at intervals.
Preferably, the air outlet is provided in the fin.
Preferably, the tension adjusting device further comprises a first tension adjuster, the first tension adjuster comprises a first motor, a first connecting rod, a first adjusting roller and a second adjusting roller, the first motor is installed in the box body and located on one side of the first winding roller, a rotating shaft of the first motor is parallel to the axial direction of the first winding roller, the middle portion of the connecting rod is fixed on the rotating shaft of the first motor, the first adjusting roller and the second adjusting roller are rotatably installed at two ends of the first connecting rod, and the first adjusting roller and the second adjusting roller are parallel to the rotating shaft of the first motor.
Preferably, the tension adjusting device further comprises a second tension adjuster, the second tension adjuster comprises a second motor, a second connecting rod, a third adjusting roller and a fourth adjusting roller, the second motor is installed in the box body and located on one side of the second winding roller, a rotating shaft of the second motor is parallel to the axial direction of the second winding roller, the middle portion of the connecting rod is fixed on the rotating shaft of the second motor, the third adjusting roller and the fourth adjusting roller are rotatably installed at two ends of the second connecting rod, and the third adjusting roller and the fourth adjusting roller are parallel to the rotating shaft of the second motor.
Preferably, the first motor shaft is axially movable along itself.
Preferably, the second motor shaft is axially movable along itself.
Preferably, the turn-over roller is coaxially provided with a plurality of annular protrusions; preferably, the two ends of the turning roll are respectively provided with an edge rotating wheel coaxially.
The utility model discloses in, the lithium electricity coating pole piece oven that provides, one of them in first winding up roller and the second winding up roller is used for the release to treat the pole piece of drying, and another is used for the pole piece after the rolling is dried, and the pole piece between first winding up roller and the second winding up roller is in remove in the passageway, the pole piece of heating plate in to the passageway is dried, because the pole piece also encircles in the box and arranges, therefore shared space is less, and then the volume of box also can not be too big to avoid the box to cause the waste of heat great because of the volume is too big, reduced the energy consumption.
Drawings
Fig. 1 is a schematic structural diagram of a lithium battery coating pole piece oven provided by the present invention;
FIG. 2 is a schematic structural view of an electric heating plate;
FIG. 3 is an enlarged view of a portion of the electrical heating plate;
FIG. 4 is a schematic diagram of a first tension regulator;
fig. 5 is a schematic view of a structure of the turning roll.
Detailed Description
As shown in fig. 1-5, fig. 1 is a schematic structural diagram of a lithium battery coating pole piece oven provided by the present invention, fig. 2 is a schematic structural diagram of an electric heating sheet, fig. 3 is a partial enlarged view of the electric heating sheet, fig. 4 is a schematic structural diagram of a first tension regulator, and fig. 5 is a schematic structural diagram of a turning roller.
Referring to fig. 1, the lithium battery coating pole piece oven provided by the present invention comprises a box body 1, a first winding roller 21, a second winding roller 22, a plurality of heating sheets 31 and a plurality of turning rollers 4;
the first winding roller 21 is rotatably arranged in the box body 1, the first winding roller 21 is used for winding the dried pole pieces, and the first winding roller 21 can be driven by an external motor to rotate;
referring to fig. 2, the plurality of heating sheets 31 are provided with electric heating pipes 32, in this embodiment, the electric heating pipes 32 are arranged in an S-shaped winding manner, and in this embodiment, the heating pipes are embedded on the heating sheets 31, the electric heating pipes 32 are exposed at both sides of the heating sheets 31, the electric heating pipes 32 are powered by an external power source to generate heat, the heat on the electric heating pipes 32 is conducted to the heating sheets 31 and the air, the plurality of heating sheets 31 are installed in the box body 1 and form a multi-turn annular structure around the first winding roller 21, and a channel is formed between any two adjacent heating sheets 31 at an interval; in this embodiment, the annular structure is rectangular, the ring-shaped structure includes four heating sheets 31, the channels inside the ring-shaped structure are sequentially communicated, and the channels allow the pole pieces to move therein, so that the heating sheets 31 dry the moving pole pieces;
the plurality of turning rollers 4 are rotatably arranged in the box body 1 and are arranged at intervals along the length direction of the channel, each turning roller 4 is positioned at a turning part of the annular structure, the pole piece abuts against the turning roller 4, and the turning rollers 4 are used for changing the direction of the pole piece in the channel;
the second winding roller 22 is rotatably installed in the box body 1 and is located outside the annular structure, the second winding roller 22 is used for releasing pole pieces to be dried into the channel, and the second winding roller 22 can be driven by an external motor to rotate.
The lithium battery coating pole piece oven that this embodiment provided, second winding up roller 22 are used for the release to treat the pole piece of drying, and first winding up roller 21 is used for the pole piece after the rolling is dried, and the pole piece between first winding up roller 21 and the second winding up roller 22 is in remove in the passageway, the pole piece in the passageway is dried to heating plate 31, because the pole piece also encircles in box 1 and arranges, therefore shared space is less, and then box 1's volume also can not be too big to avoid box 1 to cause the waste of heat great because of the volume is too big, reduced the energy consumption.
The ring structure in this embodiment is rectangular, and in other designs, the ring structure may be circular, polygonal other than rectangular, elliptical, or the like.
Referring to fig. 3, in order to improve the drying efficiency, the drying device further includes an air supply pipe 5, the air supply pipe 5 is disposed on the heating plate 31, the air supply pipe 5 is provided with air outlets 51 at intervals along the length direction, an external fan conveys air into the air supply pipe 5, the air entering the air supply pipe 5 is discharged through the air outlets 51 and blown to the pole piece, the evaporation efficiency of moisture and solvent on the pole piece is improved, and the heat on the heating plate 31 is also conducted to the air supply pipe 5 to heat the air in the air supply pipe 5, so that the temperature of the air discharged from the air outlets 51 is higher than that of the air at normal temperature, and the evaporation efficiency of the moisture and solvent on the pole piece is further improved.
Further, in the present embodiment, the air supply duct 5 is disposed on the electric heating pipe 32 and is arranged in parallel with the electric heating pipe 32, and heat on the electric heating pipe 32 is directly transferred to the air supply duct 5, so that the air in the air supply duct 5 can be raised to a higher temperature in a shorter time.
In order to increase the heat exchange rate between the air supply pipe 5 and the air, in the present embodiment, fins 52 are provided at intervals on the air supply pipe 5 to increase the heat dissipation area of the air supply pipe 5, and further, the air outlet 51 is provided on the fins 52.
Referring to fig. 4, in order to adjust the tension of the pole piece during the moving process, the tension adjusting device further includes a first tension adjuster, the first tension adjuster includes a first motor 61, a first connecting rod 62, a first adjusting roller 63 and a second adjusting roller 64, the first motor 61 is installed in the box 1 and located on one side of the first winding roller 21, a rotating shaft of the first motor 61 is parallel to an axial direction of the first winding roller 21, a middle portion of the connecting rod is fixed on the rotating shaft of the first motor 61, the first adjusting roller 63 and the second adjusting roller 64 are rotatably installed at two ends of the first connecting rod 62, the first adjusting roller 63 and the second adjusting roller 64 are parallel to the rotating shaft of the first motor 61, the pole piece passes through the first adjusting roller 63 and the second adjusting roller 64, and when the first motor 61 rotates, the tension of the pole piece changes, so as to ensure that the pole piece is.
Further, the tension adjusting device comprises a second tension adjuster, the second tension adjuster comprises a second motor, a second connecting rod, a third adjusting roller 71 and a fourth adjusting roller 72, the second motor is installed in the box body 1 and located on one side of the second winding roller 22, a rotating shaft of the second motor is parallel to the axial direction of the second winding roller 22, the middle of the connecting rod is fixed on the rotating shaft of the second motor, the third adjusting roller 71 and the fourth adjusting roller 72 are rotatably installed at two ends of the second connecting rod, the third adjusting roller 71 and the fourth adjusting roller 72 are parallel to the rotating shaft of the second motor, a pole piece passes through the first adjusting roller 63 and the second adjusting roller 64, when the first motor 61 rotates, the tension of the pole piece changes, and the pole piece is ensured to be kept stable in the moving process.
In this embodiment, the first motor 61 rotating shaft and the second motor rotating shaft can move along their own axial directions, so that the pole piece can be displaced along the axis of the rotating shaft, and then the corresponding deviation rectification is performed on the pole piece.
Turn to roller 4 and have the annular arch 41 corresponding with the pole piece blank position, under operating condition, when the pole piece was through each roller, pole piece material district can not contact with roller, because the difference in height in pole piece material district and blank district for surface tension changes, and then leads to leaving white to crumple, the pole piece is once through the roller, crosses annular arch 41 on the roller and once flattens the pole piece blank part, guarantees that the blank part can not crumple.
Referring to fig. 5, the edge rotating wheels 42 are coaxially arranged at two ends of the turning roller 4 respectively, and in a working state, the edge of the pole piece is flattened by the edge rotating wheels 42, so that the edge of the pole piece is prevented from curling due to changes of outside wind pressure and tensile force
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (11)
1. The lithium battery coating pole piece drying oven is characterized by comprising an oven body (1), a first winding roller (21), a second winding roller (22), a plurality of heating sheets (31) and a plurality of turning rollers (4);
the first winding roller (21) is rotatably arranged in the box body (1);
the heating plates (31) are provided with electric heating pipes (32), the heating plates (31) are arranged in the box body (1) and form a multi-circle annular structure around the first winding roller (21), and a channel is formed by the interval distance between any two adjacent circles of heating plates (31);
a plurality of turning rollers (4) are arranged in the box body (1) and are arranged at intervals along the length direction of the channel;
the second winding roller (22) is rotatably mounted in the box (1) and is located outside the ring-shaped structure.
2. The lithium battery coating pole piece oven according to claim 1, further comprising an air supply pipe (5), wherein the air supply pipe (5) is arranged on the heating sheet (31), and the air supply pipe (5) is provided with air outlets (51) at intervals along the length direction.
3. The lithium battery coating pole piece oven according to claim 2, characterized in that the air supply pipe (5) is arranged on the electric heating pipe (32) and is arranged in parallel with the electric heating pipe (32).
4. The lithium battery coating pole piece oven according to any one of claims 2 to 3, characterized in that the air supply pipe (5) is provided with fins (52) at intervals.
5. The lithium battery coating pole piece oven according to claim 4, characterized in that the air outlet (51) is provided on the fin (52).
6. The lithium battery coating pole piece oven of claim 1, further comprising a first tension regulator, wherein the first tension regulator comprises a first motor (61), a first connecting rod (62), a first regulating roller (63) and a second regulating roller (64), the first motor (61) is installed in the box body (1) and located on one side of the first winding roller (21), a rotating shaft of the first motor (61) is parallel to the axial direction of the first winding roller (21), the middle portion of the first connecting rod (62) is fixed on the rotating shaft of the first motor (61), the first regulating roller (63) and the second regulating roller (64) are rotatably installed at two ends of the first connecting rod (62), and the first regulating roller (63) and the second regulating roller (64) are parallel to the rotating shaft of the first motor (61).
7. The lithium battery coating pole piece oven of claim 1, further comprising a second tension regulator, wherein the second tension regulator comprises a second motor, a second connecting rod, a third regulating roller (71) and a fourth regulating roller (72), the second motor is installed in the box body (1) and located on one side of the second winding roller (22), the rotating shaft of the second motor is parallel to the axial direction of the second winding roller (22), the middle portion of the second connecting rod is fixed on the rotating shaft of the second motor, the third regulating roller (71) and the fourth regulating roller (72) are rotatably installed at two ends of the second connecting rod, and the third regulating roller (71) and the fourth regulating roller (72) are parallel to the rotating shaft of the second motor.
8. The lithium battery coating pole piece oven according to claim 6, wherein the first motor (61) has a shaft axis that is axially movable along the shaft axis.
9. The lithium battery coating pole piece oven of claim 7, wherein the second motor shaft is axially movable along itself.
10. The lithium battery coating pole piece oven according to claim 1, characterized in that the turn-over roller (4) is coaxially provided with a plurality of annular protrusions (41).
11. The lithium battery coating pole piece oven according to claim 1, characterized in that edge wheels (42) are coaxially arranged at both ends of the turning roll (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920843707.7U CN211026959U (en) | 2019-06-05 | 2019-06-05 | Lithium electricity coating pole piece oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920843707.7U CN211026959U (en) | 2019-06-05 | 2019-06-05 | Lithium electricity coating pole piece oven |
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| Publication Number | Publication Date |
|---|---|
| CN211026959U true CN211026959U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920843707.7U Active CN211026959U (en) | 2019-06-05 | 2019-06-05 | Lithium electricity coating pole piece oven |
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| Country | Link |
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| CN (1) | CN211026959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023072058A1 (en) * | 2021-10-29 | 2023-05-04 | 宁德时代新能源科技股份有限公司 | Electrode plate drying device and coating device |
-
2019
- 2019-06-05 CN CN201920843707.7U patent/CN211026959U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023072058A1 (en) * | 2021-10-29 | 2023-05-04 | 宁德时代新能源科技股份有限公司 | Electrode plate drying device and coating device |
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