CN210154218U - Vacuum baking clamp for lithium battery - Google Patents
Vacuum baking clamp for lithium battery Download PDFInfo
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- CN210154218U CN210154218U CN201920837097.XU CN201920837097U CN210154218U CN 210154218 U CN210154218 U CN 210154218U CN 201920837097 U CN201920837097 U CN 201920837097U CN 210154218 U CN210154218 U CN 210154218U
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- vacuum
- lithium battery
- vacuum cavity
- driving shaft
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Abstract
The utility model discloses a lithium battery vacuum baking clamp, which comprises a vacuum cavity, a drive plate, a traction piece, a drive shaft and a plurality of heating plates, wherein the vacuum cavity is provided with a connecting port for connecting vacuum-pumping equipment; one end of the driving shaft extends out of the vacuum cavity body, and the other end of the driving shaft extends into the vacuum cavity body so as to drive the driving plate to slide; and a first sealing ring is arranged between the driving shaft and the side wall of the vacuum cavity. The utility model discloses lithium cell vacuum baking clamp simple structure is compact, enables soft packet of lithium cell and is applicable to storage formula lithium cell drying line.
Description
Technical Field
The utility model relates to a lithium cell drying equipment especially relates to a lithium cell vacuum baking clamp.
Background
The existing warehouse type lithium battery drying line is used for placing a lithium battery into a sealed small cavity to be vacuumized and heated to finish baking of the battery, and the lithium battery drying line is suitable for a power lithium battery. However, it is not suitable for soft-packed lithium battery, since the soft-packed lithium battery needs to be clamped and pressurized when being heated and baked, so as to exhaust the gas in the gas bag. The clamps used by the existing drying line do not need to clamp and pressurize the power lithium battery, so that no clamping mechanism is arranged, the internal space of the clamps is small, and the clamping mechanism cannot be directly added in the heating plate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure is compact, makes soft packet of lithium cell be applicable to the lithium cell vacuum baking anchor clamps of warehouse style lithium cell drying line.
In order to achieve the above object, the utility model provides a lithium battery vacuum baking clamp includes vacuum cavity, drive plate, traction piece, drive shaft and a plurality of hot plate, vacuum cavity is equipped with the connector of connecting the evacuation equipment, drive plate and a plurality of the hot plate arrange in proper order and movably set up in vacuum cavity, traction piece respectively with the drive plate and a plurality of the hot plate is connected; one end of the driving shaft extends out of the vacuum cavity body, and the other end of the driving shaft extends into the vacuum cavity body so as to drive the driving plate to slide; and a first sealing ring is arranged between the driving shaft and the side wall of the vacuum cavity.
Compared with the prior art, because the utility model discloses a set up drive plate, traction piece and a plurality of hot plate in the vacuum cavity, utilize to form the holding chamber between drive plate and the hot plate to can supply soft packet of lithium cell holding, rethread sets up the drive shaft and drives the drive plate removes, makes the drive plate with can slide between the hot plate and the tight pressurization of clamp or open the pressure release, thereby make soft packet of lithium cell can realize the pressure heating in the vacuum cavity; in addition, one end of the driving shaft extends out of the vacuum cavity, and the other end of the driving shaft extends into the vacuum cavity, so that the power source can be arranged outside the vacuum cavity. And a first sealing ring is arranged between the driving shaft and the side wall of the vacuum cavity, so that the sealing in the vacuum cavity can be ensured, the vacuum degree is ensured, and the drying effect is improved.
Preferably, a mounting sleeve is arranged between the driving shaft and the side wall of the vacuum cavity. The mounting sleeve is in sliding fit with the driving shaft, so that the driving shaft can be ensured to drive the driving plate to move more smoothly, and noise generated by friction can be reduced.
Specifically, the first seal ring is disposed between the mounting sleeve and the driving shaft.
Specifically, a second sealing ring is arranged between the mounting sleeve and the side wall of the vacuum cavity. The second sealing ring can prevent gas from leaking into the mounting gap between the mounting sleeve and the side wall of the vacuum cavity, and the sealing performance of the vacuum cavity is further guaranteed.
Preferably, the driving shaft is a sliding push rod to push the driving plate to move.
Specifically, a floating joint is provided between the drive plate and the drive shaft.
Preferably, the driving shaft is a rotatable rotating shaft, the rotating shaft is provided with a screw, the driving plate is provided with a connecting block which is in threaded connection with the screw and can be driven by the screw to move, and the connecting block is fixed with the driving plate so as to push the driving plate to move. Through the cooperation of screw rod and connecting block, can make the drive plate more steadily accurately moves to the target location to improve the precision of pressurization.
Specifically, a mounting seat is arranged between the connecting block and the driving plate.
Preferably, the vacuum chamber includes a main chamber and an upper cover, and the upper cover is hermetically covered on the main chamber.
Preferably, each heating plate is provided with a guiding and limiting mechanism.
Drawings
Fig. 1 is a perspective view of the vacuum baking clamp for lithium batteries of the present invention.
Fig. 2 is the internal structure diagram of the first embodiment of the vacuum baking clamp for lithium battery of the present invention.
Fig. 3 is a cross-sectional view of the first embodiment of the vacuum baking clamp for lithium battery of the present invention.
Fig. 4 is a partial view of fig. 3.
Fig. 5 is a cross-sectional view of the second embodiment of the vacuum baking clamp for lithium battery of the present invention.
Fig. 6 is a partial view of fig. 5.
Detailed Description
In order to explain technical contents, structural features, and effects achieved by the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.
As shown in fig. 1 to 4, the first embodiment of the vacuum baking clamp 100 for lithium battery of the present invention has a structure:
the utility model discloses lithium cell vacuum baking anchor clamps 100 includes vacuum cavity 1, drive plate 2, draws 3, drive shaft 4 and a plurality of hot plate 5, vacuum cavity 1 includes the main cavity body 11 and upper cover 12, upper cover 12 cover sealingly in on the main cavity body 11. The bottom surface of the main cavity 11 is provided with a connector connected with a vacuum-pumping device, and a valve is arranged on the connector. Drive plate 2 and a plurality of hot plate 5 arrange in proper order through the guide bar and movably set up in the vacuum cavity 1, each be equipped with direction stop gear 51 on the hot plate 5, direction stop gear can guide soft packet of lithium cell gets into two between the hot plate 5. The traction piece 3 is respectively connected with the driving plate 2 and the heating plates 5; the traction element 3 is a chain which can be bent and retracted when the heating plates 5 are pressed together, and can pull the next heating plate 5 when the heating plates 5 are separated from each other, so that the distance between two adjacent heating plates 5 is kept consistent. One end of the driving shaft 4 extends out of the vacuum cavity 1, and the other end of the driving shaft extends into the vacuum cavity 1 so as to drive the driving plate 2 to slide; a first sealing ring 7 is arranged between the driving shaft 4 and the side wall of the vacuum cavity 1. Specifically, the driving shaft 4 with be equipped with the installation cover 6 between the lateral wall of vacuum cavity 1, installation cover 6 only need guarantee that the inner wall is enough smooth can with the direct smooth and easy contact slip of driving shaft 4. In addition, the mounting sleeve 6 may also be a linear bearing, which can ensure that the driving shaft 4 can drive the driving plate 2 to move more smoothly, and can reduce noise generated by friction. The first seal ring 7 is disposed between the mounting sleeve 6 and the drive shaft 4. And a second sealing ring 8 is arranged between the mounting sleeve 6 and the side wall of the vacuum cavity 1. The second sealing ring 8 can prevent gas from leaking into the mounting gap between the mounting sleeve 66 and the side wall of the vacuum chamber 1, thereby further ensuring the sealing performance of the vacuum chamber 1. In this embodiment, the driving shaft 4 is a sliding push rod to push the driving plate 2 to move. The driving shaft 4 extends out one end of the outer side wall of the vacuum cavity 1 and is connected with the output end of the air cylinder, and the output end of the air cylinder telescopically pushes the driving shaft 4 to slide. A floating joint 9 is provided between the drive plate 2 and the drive shaft 4 to connect the drive shaft 4 with the drive.
During operation puts into two earlier soft packet of lithium cell between the hot plate 5, then starts the cylinder makes cylinder drive push rod remove, the push rod makes through floating joint 9 the drive plate 2 is to being close to the direction of hot plate 5 removes, and later each hot plate 5 is drawn close together each other, at this moment, 5 centre grippings of hot plate compress tightly soft packet of lithium cell. Then, will upper cover 12 covers on vacuum cavity 1, through the connector is to the inside evacuation of vacuum cavity 1, and it is right to heat hot plate 5 for hot plate 5 heats the soft packet of lithium cell between the two under pressure in the vacuum, thereby reaches dry purpose.
As shown in fig. 5 and fig. 6, the structure of the second embodiment of the vacuum baking clamp 100 for lithium battery of the present invention is developed:
the structure of the vacuum chamber 1, the driving plate 2, the traction member 3 and the heating plate 5 in this embodiment is the same as that in the first embodiment. The difference lies in the drive shaft 4' and the mounting sleeve. In this embodiment, the driving shaft 4' is a rotatable rotating shaft, one end of the rotating shaft extends out of the vacuum chamber 1, and the other end of the rotating shaft extends into the vacuum chamber 1. A screw rod 41 ' is arranged at one end of the rotating shaft extending into the vacuum cavity 1, a connecting block 42 ' which is in threaded connection with the screw rod 41 ' and can be driven by the screw rod 41 ' to move is arranged on the driving plate 2, an installation seat 43 ' for arranging the connecting block 42 ' is arranged between the connecting block 42 ' and the driving plate 2, and the installation seat 43 ' is fixed at one side of the driving plate 2 so that the connecting block 42 ' is fixed with the driving plate 2 to push the driving plate 2 to move. Through the matching of the screw rod 41 'and the connecting block 42', the driving plate 2 can be moved to the target position more smoothly and accurately, thereby improving the pressurizing accuracy. The output of motor is connected to the outer one end of the lateral wall that the pivot stretches out vacuum chamber 1, the output of motor rotates in order to drive the pivot rotates. And an installation sleeve 6 'is arranged between the rotating shaft and the side wall of the vacuum cavity 1, and the installation sleeve 6' is directly in rotatable contact with the rotating shaft. The mounting sleeve 6' may also be a roller bearing having an inner ring and an outer ring. The first sealing ring 7 is arranged between the mounting sleeve 6 '6' and the rotating shaft. The mounting sleeve 6 'is provided with a mounting sleeve seat 61', the mounting sleeve seat 61 'is mounted on the side wall of the vacuum cavity 1, and a second sealing ring 8 is arranged between the mounting sleeve seat 61' and the side wall of the vacuum cavity 1. The second sealing ring 8 can prevent gas from leaking into the mounting gap between the mounting sleeve seat 61' and the side wall of the vacuum chamber 1, thereby further ensuring the sealing performance of the vacuum chamber 1.
During operation puts into two earlier soft packet of lithium cell between the hot plate 5, then starts the motor makes the motor drive pivot rotate, the pivot drives the screw rod and rotates, the screw rod drive connecting block removes, makes drive plate 2 is to being close to the direction of hot plate 5 removes, and later each hot plate 5 draws close together each other together, and at this moment, 5 centre grippings of hot plate compress tightly soft packet of lithium cell. Then, will upper cover 12 approximately fit on vacuum cavity 1, then through the connector is to the inside evacuation of vacuum cavity 1, and it is right to heat hot plate 5 for hot plate 5 heats the soft packet of lithium cell between the two under pressure in vacuum, reaches dry purpose.
Compared with the prior art, because the utility model discloses a set up drive plate 2, traction piece 3 and a plurality of hot plate 5 in vacuum cavity 1, utilize to form the holding chamber between drive plate 2 and the hot plate 5 to can supply soft packet of lithium cell holding, rethread sets up drive shaft 4 and drives drive plate 2 removes, makes drive plate 2 with press from both sides tight pressurization or open the decompression between hot plate 5 slidably, thereby makes soft packet of lithium cell can realize the pressure heating in vacuum cavity 1; in addition, one end of the driving shaft 4 extends out of the vacuum cavity 1, and the other end of the driving shaft extends into the vacuum cavity 1, so that the power source can be arranged outside the vacuum cavity 1, the structure is simple and compact, the installation is convenient, the space occupied by the vacuum cavity 1 is avoided, and the power source can be prevented from being damaged by high temperature generated in the vacuum cavity 1. And a first sealing ring 7 is arranged between the driving shaft 4 and the side wall of the vacuum cavity 1, so that the sealing in the vacuum cavity 1 can be ensured, the vacuum degree is ensured, and the drying effect is improved.
The above disclosure is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereto, and therefore, the scope of the present invention is not limited to the above embodiments.
Claims (10)
1. The utility model provides a lithium cell vacuum baking clamp which characterized in that: the vacuum cavity is provided with a connecting port for connecting vacuum pumping equipment, the driving plate and the heating plates are sequentially arranged and movably arranged in the vacuum cavity, and the traction piece is respectively connected with the driving plate and the heating plates; one end of the driving shaft extends out of the vacuum cavity body, and the other end of the driving shaft extends into the vacuum cavity body so as to drive the driving plate to slide; and a first sealing ring is arranged between the driving shaft and the side wall of the vacuum cavity.
2. The lithium battery vacuum baking jig of claim 1, characterized in that: and an installation sleeve is arranged between the driving shaft and the side wall of the vacuum cavity.
3. The lithium battery vacuum baking jig of claim 2, characterized in that: the first sealing ring is arranged between the mounting sleeve and the driving shaft.
4. The lithium battery vacuum baking jig of claim 2, characterized in that: and a second sealing ring is arranged between the mounting sleeve and the side wall of the vacuum cavity.
5. The lithium battery vacuum baking jig as claimed in any one of claims 1 to 4, characterized in that: the driving shaft is a push rod which can slide to push the driving plate to move.
6. The lithium battery vacuum baking jig as claimed in claim 5, characterized in that: a floating joint is arranged between the driving plate and the driving shaft.
7. The lithium battery vacuum baking jig as claimed in any one of claims 1 to 4, characterized in that: the driving shaft is a rotatable rotating shaft, the rotating shaft is provided with a screw, the driving plate is provided with a connecting block which is in threaded connection with the screw and can be driven by the screw to move, and the connecting block is fixed with the driving plate so as to push the driving plate to move.
8. The lithium battery vacuum baking jig of claim 7, characterized in that: and a mounting seat is arranged between the connecting block and the driving plate.
9. The lithium battery vacuum baking jig of claim 1, characterized in that: the vacuum cavity comprises a main cavity and an upper cover, and the upper cover is hermetically covered on the main cavity.
10. The lithium battery vacuum baking jig of claim 1, characterized in that: and each heating plate is provided with a guide limiting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920837097.XU CN210154218U (en) | 2019-06-03 | 2019-06-03 | Vacuum baking clamp for lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920837097.XU CN210154218U (en) | 2019-06-03 | 2019-06-03 | Vacuum baking clamp for lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210154218U true CN210154218U (en) | 2020-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920837097.XU Active CN210154218U (en) | 2019-06-03 | 2019-06-03 | Vacuum baking clamp for lithium battery |
Country Status (1)
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|---|---|
| CN (1) | CN210154218U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353488A (en) * | 2022-01-28 | 2022-04-15 | 东莞市德瑞精密设备有限公司 | Lithium battery drying line |
| CN115823830A (en) * | 2021-10-12 | 2023-03-21 | 宁德时代新能源科技股份有限公司 | Heating device and heating method |
-
2019
- 2019-06-03 CN CN201920837097.XU patent/CN210154218U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115823830A (en) * | 2021-10-12 | 2023-03-21 | 宁德时代新能源科技股份有限公司 | Heating device and heating method |
| CN115823830B (en) * | 2021-10-12 | 2024-04-09 | 宁德时代新能源科技股份有限公司 | Heating device and heating method |
| CN114353488A (en) * | 2022-01-28 | 2022-04-15 | 东莞市德瑞精密设备有限公司 | Lithium battery drying line |
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