CN208720722U - A kind of lithium battery pole slice vacuum uncoiling drying system - Google Patents

A kind of lithium battery pole slice vacuum uncoiling drying system Download PDF

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Publication number
CN208720722U
CN208720722U CN201820527074.4U CN201820527074U CN208720722U CN 208720722 U CN208720722 U CN 208720722U CN 201820527074 U CN201820527074 U CN 201820527074U CN 208720722 U CN208720722 U CN 208720722U
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China
Prior art keywords
uncoiling
base band
vacuum
rolling
drying
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CN201820527074.4U
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臧世伟
李晴
曾卫春
余永得
龙国斌
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ADVANCED PRECISION TECHNOLOGY Co Ltd
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ADVANCED PRECISION TECHNOLOGY Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model provides a kind of lithium battery pole slice vacuum uncoiling drying system, including vacuum warehouse and vacuum evacuation device, the uncoiling mechanism for base band barrel to be heated to be unfolded is provided in the vacuum warehouse, for by the drier of the base band heat drying, for winding the base band after heat drying to the rolling-up mechanism of winding barrel, the uncoiling mechanism, the drier and the rolling-up mechanism are arranged successively, pole piece is provided in the base band, the first tape splicing mechanism is provided between the uncoiling mechanism and the drier, the second tape splicing mechanism is provided between the drier and the rolling-up mechanism, the vacuum evacuation device is connected to by vacuum pipe with the vacuum warehouse, the uncoiling speed of the uncoiling mechanism is consistent with the rolling speed of the rolling-up mechanism, utilize the water characteristic that boiling point reduces under vacuum conditions , battery pole piece is dried, drying time is saved, improves drying efficiency, full-automatic drying operation is realized, saves manpower and material resources.

Description

A kind of lithium battery pole slice vacuum uncoiling drying system
Technical field
The utility model relates to field of lithium, relate generally to a kind of lithium battery pole slice vacuum uncoiling drying system.
Background technique
Compared to traditional storage battery, lithium ion battery has operating voltage height, and cycle life waits well brilliant performance advantage;This The system that a little brilliant performances are largely derived from lithium ion battery work belongs to a non-aqueous electrochemical system, therefore thinks The lithium ion battery of function admirable is produced, the drying of battery especially pole piece must be just carried out.Conventional lithium ion battery Production, pole piece, core are required by being up to a few hours to baking in tens of hours in baking oven, and often battery is finally infused Water content before liquid is higher than 100ppm, time-consuming and laborious, ineffective.
In order to improve the pole piece drying process of lithium battery, there is producer in the prior art in such a way that circulating air is dry pair Lithium battery pole slice is dried, but this mode heating time is long, and drying efficiency is low, and equipment volume is big, is not able to satisfy existing The present is to dry efficient, the energy-efficient requirement of lithium battery.
Utility model content
The utility model mainly solves that drying efficiency in existing lithium battery drying process is low, and the big technology of energy loss is asked Topic.
In order to solve the above technical problems, the utility model provides a kind of lithium battery pole slice vacuum uncoiling drying system, Including vacuum warehouse and vacuum evacuation device, be provided in the vacuum warehouse uncoiling mechanism for base band barrel to be heated to be unfolded, For by the drier of the base band heat drying, be used to wind the base band after heat drying to winding barrel receipts Mechanism is rolled up, the uncoiling mechanism, the drier and the rolling-up mechanism are arranged successively, it is provided with pole piece in the base band, Be provided with the first tape splicing mechanism between the uncoiling mechanism and the drier, the drier and the rolling-up mechanism it Between be provided with the second tape splicing mechanism, the vacuum evacuation device is connected to by vacuum pipe with the vacuum warehouse.
Further, the drier include by several heating roller groups for being intervally arranged up and down at heating roller group and biography Band is sent, the both upper ends thereof of the conveyer belt is separately connected first tape splicing mechanism and second tape splicing mechanism and successively intersects Several heating rollers are passed through in compartment of terrain, and the lower part and top of the conveyer belt join end to end to form closing structure, the base band Successively pass through each heating roller surface heat drying along the conveyer belt.
Further, the uncoiling mechanism includes unwinding shaft and uncoiling motor, and the base band barrel adapter sleeve is set to described On unwinding shaft, the uncoiling motor and unwinding shaft rotation connection drive the unwinding shaft to rotate, and are arranged on the unwinding shaft There is deviation correction mechanism for correcting the position of the base band, is provided with and entangles between the uncoiling mechanism and first splicing equipment Inclined sensor, the deflection correction sensor and the deviation correction mechanism are electrically connected, and are provided with barrel ejecting mechanism on the unwinding shaft For releasing empty barrel.
Further, the unwinding shaft includes hollow shaft open at one end, and hollow shaft side relative position is set Be equipped with limit hole, be installed on expanding block in the limit hole, be wedge face on the inside of the opposite expanding block, the expanding block with The hollow shaft elastic connection, in the hollow shaft in be provided with mandril, the mandril corresponds to the position of the expanding block It is provided with wedge pushing block, the one end of the mandril inwardly is connect with the hollow shaft closed end inner elastic.
Further, the heating roller group both ends are provided with pendulum roller, and the pendulum roller surface is passed through in the upper end of the conveyer belt.
Further, first tape splicing mechanism is identical as the structure of second tape splicing mechanism, including for compressing base The compact heap and compression cylinder of band, the compression cylinder are drivingly connected to be used to compress base band with the compact heap, the pressure Tight block compresses the base band.
It further, further include multiple crossing roller, the both ends and described the crossed roller and be installed on first tape splicing mechanism The both ends of two tape splicing mechanisms.
Further, the rolling-up mechanism includes that Scroll and winding pressure roller, the winding barrel are sheathed on the winding On axis, for the base band winding after drying on the winding barrel, the winding motor and the Scroll are drivingly connected driving institute State Scroll rotation, the winding pressure roller includes rubber roller and balance staff, and the balance staff is located above the Scroll, the rubber roller and It is connected between the balance staff by a swing rod and is compacted the base band with Scroll interaction.
The utility model provides a kind of lithium battery pole slice vacuum uncoiling drying system, including vacuum warehouse and vacuum means It sets, the uncoiling mechanism for base band barrel to be heated to be unfolded is provided in the vacuum warehouse, is used to heat the base band and do Dry drier, for winding the base band after heat drying to the rolling-up mechanism of winding barrel, the uncoiling mechanism, The drier and the rolling-up mechanism are arranged successively, and pole piece is provided in the base band, and the uncoiling mechanism is done with described It is provided with the first tape splicing mechanism between dry mechanism, the second splicing machine is provided between the drier and the rolling-up mechanism Structure, the vacuum evacuation device are connected to by vacuum pipe with the vacuum warehouse, the uncoiling speed and the receipts of the uncoiling mechanism The rolling speed for rolling up mechanism is consistent, in use, when lithium battery pole slice vacuum uncoiling drying system not yet starts, it manually will be to be added Hot radical successively passes through drier from the uncoiling mechanism with the base band on barrel and rolling-up mechanism is pulled to winding barrel, so System is started afterwards, adjust the uncoiling mechanism uncoiling speed and the rolling-up mechanism rolling speed to unanimously, by vacuum Storehouse vacuumizes, which can be realized the efficient drying operation of repetition;A kind of lithium battery pole slice provided by the utility model is true It is spaced apart volume drying system, the water characteristic that boiling point reduces under vacuum conditions is utilized, battery pole piece is carried out under vacuum conditions It is dry, drying time is greatly saved, improves drying efficiency, it can be achieved that full-automatic drying operation, is also greatly saved Manpower and material resources.
Detailed description of the invention
Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following Specific embodiment be used to explain the utility model together, but should not constitute the limitation of the utility model, in the accompanying drawings:
Fig. 1 is a kind of overall structure diagram of lithium battery pole slice vacuum uncoiling drying system of the utility model;
Fig. 2 is the structural schematic diagram of drier in the utility model;
Fig. 3 is the structural schematic diagram of opening mechanism in the utility model;
Fig. 4 is the diagrammatic cross-section of unwinding shaft in the utility model embodiment;
Fig. 5 is the structural schematic diagram of the first tape splicing of the utility model mechanism;
Fig. 6 is the structural schematic diagram of rolling-up mechanism in the utility model;
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein Described specific embodiment is only used for describing and explaining the present invention, and is not meant to limit the utility model.
As shown in Figure 1, being a kind of lithium battery pole slice vacuum uncoiling drying system provided by the utility model, including vacuum Storehouse 100 and vacuum evacuation device 200 are provided with the uncoiler for base band barrel 111 to be heated to be unfolded in the vacuum warehouse 100 Structure 110, for by the drier 120 of 300 heat drying of base band, be used to receive the base band 300 after heat drying Rolling-up mechanism 130 of the volume to winding barrel 131, the uncoiling mechanism 110, the drier 120 and the rolling-up mechanism 130 It is arranged successively, pole piece is provided in the base band 300, is provided between the uncoiling mechanism 110 and the drier 120 One tape splicing mechanism 140 is provided with the second tape splicing mechanism 150 between the drier 120 and the rolling-up mechanism 130, described Vacuum evacuation device 200 is connected to by vacuum pipe 210 with the vacuum warehouse 100, the uncoiling speed of the uncoiling mechanism 110 and The rolling speed of the rolling-up mechanism 130 is consistent,
The utility model provides a kind of lithium battery pole slice vacuum uncoiling drying system, including vacuum warehouse 100 and vacuumizes Device 200, be provided in the vacuum warehouse 100 uncoiling mechanism 110 for base band barrel 111 to be heated to be unfolded, be used for by The drier 120 of 300 heat drying of base band extremely winds barrel for winding the base band 300 after heat drying 131 rolling-up mechanism 130, the uncoiling mechanism 110, the drier 120 and the rolling-up mechanism 130 are arranged successively, institute It states and is provided with pole piece in base band 300, the first tape splicing mechanism is provided between the uncoiling mechanism 110 and the drier 120 140, the second tape splicing mechanism 150, the vacuum evacuation device are provided between the drier 120 and the rolling-up mechanism 130 200 are connected to by vacuum pipe 210 with the vacuum warehouse 100, the uncoiling speed of the uncoiling mechanism 110 and the rolling-up mechanism 130 rolling speed is consistent, in use, when lithium battery pole slice vacuum uncoiling drying system not yet starts, it manually will be to be heated Base band on base band barrel successively passes through drier from the uncoiling mechanism and rolling-up mechanism is pulled to winding barrel, then System is started, adjust the uncoiling mechanism uncoiling speed and the rolling-up mechanism rolling speed to unanimously, by vacuum warehouse It vacuumizes, which can be realized the efficient drying operation of repetition;A kind of lithium battery pole slice vacuum provided by the utility model Uncoiling drying system is utilized the water characteristic that boiling point reduces under vacuum conditions, does under vacuum conditions to battery pole piece It is dry, drying time is greatly saved, improves drying efficiency, while uncoiling room, hothouse and winding room have been in turn connected to form Manpower and material resources are also greatly saved, it can be achieved that full-automatic drying operation in whole drying production line operation.
Since contact heating drying is higher than the drying efficiency of hot air type heat drying, to further strengthen drying Efficiency, as shown in Fig. 2, the drier 120 includes the heating roller group being made of several heating rollers 121 being intervally arranged up and down And conveyer belt 122, the both upper ends thereof of the conveyer belt 122 are separately connected first tape splicing mechanism 140 and second tape splicing Pass through several heating rollers 121, lower part and the top head and the tail phase of the conveyer belt 122 to mechanism 150 and successively transpostion interval Company forms closing structure, and the base band successively passes through each 121 surface heat drying of heating roller along the conveyer belt 122, by It is transpostion interval by heating roller in conveyer belt, the heating surface (area) (HS of each heating roller, which is all larger than, adds the 2/3 of roller lateral area, Heat is taken full advantage of, ensure that enough rates of heat exchange, for those skilled in the art, the heating method of heating roller Can using heat conducting oil type heating perhaps heating plate type heating or or use induction heating, in addition, in order to protect 300 tension of base band is demonstrate,proved, the heating roller group both ends are provided with pendulum roller 123, and the pendulum roller is passed through in the upper end of the conveyer belt 122 123 surfaces.
As shown in figure 3, the uncoiling mechanism 110 includes unwinding shaft 112 and uncoiling motor 113, the base band barrel 111 is tight Admittedly being sheathed on the unwinding shaft 112, the uncoiling motor 113 drives the unwinding shaft with the unwinding shaft 112 rotation connection 112 rotate, and deviation correction mechanism 114 is provided on the unwinding shaft 112 and is used to correct the position of the base band 300, the uncoiling Deflection correction sensor 115 is provided between mechanism 110 and first splicing equipment 140, the deflection correction sensor 115 is entangled with described Inclined mechanism 114 is electrically connected, and barrel ejecting mechanism is provided on the unwinding shaft 112 for releasing empty barrel.Pole piece base band material Vibration of the cylinder in uncoiling process due to mechanical structure or other think that factor may cause base band position and generate deviation, cannot Guarantee the heat drying of pole piece well, therefore deflection correction sensor and deviation correction mechanism be set and can be good at solving the problems, such as this, When deflection correction sensor senses that base band position generates deviation, deviation correction mechanism can adjust uncoiling shaft position and rectify a deviation, Release empty barrel for convenience simultaneously, the utility model is provided with barrel ejecting mechanism for releasing empty barrel on unwinding shaft.
As shown in figure 4, the unwinding shaft 112 includes hollow shaft 1121 open at one end, 1121 side of hollow shaft Face relative position is provided with limit hole 1122, and expanding block 1123, the opposite expanding block are installed in the limit hole 1122 1123 insides are wedge face, the expanding block 1123 and 1121 elastic connection of hollow shaft, in the hollow shaft 1121 It is provided with mandril 1124, the position of the corresponding expanding block 1123 of the mandril 1124 is provided with wedge pushing block 1125, the top The one end of bar 1124 inwardly is connect with the 1121 closed end inner elastic of hollow shaft.
As shown in figure 5, first tape splicing mechanism 140 is identical as the structure of second tape splicing mechanism 150, including it is used for Compress the compact heap 101 and compression cylinder 102 of base band 300, the compression cylinder 101 and the compact heap 102 be drivingly connected with For base band 300 to be compressed.
As shown in fig. 6, the rolling-up mechanism 130 includes winding motor 132, Scroll 133 and winds pressure roller 134, it is described Winding barrel 131 is sheathed on the Scroll 132, it is dry after the winding of base band 300 on the winding barrel 131, it is described Winding motor 132 and the Scroll 133, which are drivingly connected, drives the Scroll 133 to rotate, and the winding pressure roller 134 includes glue Roller 1341, swing rod 1342 and balance staff 1343, the balance staff 1343 are located at 133 top of Scroll, the rubber roller 1341 and institute It states and is connected between balance staff 1343 by the swing rod 1342 and be compacted the base band 300 with the winding barrel 131 interaction.
Wherein, vacuum evacuation device 200 uses common vacuum pump, preferably water ring pump or lobe pump, this is practical The vacuum pipe 210 mentioned in novel is made of gastight metal tube or plastic tube, vacuum evacuation device and vacuum The limitation as the utility model is not won in the selection of pipeline, due to its applicable generality, is not added repeats herein.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.

Claims (8)

1. a kind of lithium battery pole slice vacuum uncoiling drying system, which is characterized in that described true including vacuum warehouse and vacuum evacuation device It is provided with the uncoiling mechanism for base band barrel to be heated to be unfolded in hole capital after selling all securities, is used for the drying machine of the base band heat drying Structure, for by the base band after heat drying wind to winding barrel to base band barrel rolling-up mechanism, the uncoiling mechanism, The drier and the rolling-up mechanism are arranged successively, and pole piece is provided in the base band, and the uncoiling mechanism is done with described It is provided with the first tape splicing mechanism between dry mechanism, the second splicing machine is provided between the drier and the rolling-up mechanism Structure, the vacuum evacuation device are connected to by vacuum pipe with the vacuum warehouse, the uncoiling speed and the receipts of the uncoiling mechanism The rolling speed for rolling up mechanism is consistent.
2. a kind of lithium battery pole slice vacuum uncoiling drying system according to claim 1, which is characterized in that the drying machine Structure include by several heating roller groups for being intervally arranged up and down at heating roller group and conveyer belt, the both upper ends thereof point of the conveyer belt First tape splicing mechanism and second tape splicing mechanism are not connected and successively pass through several heating roller tables to transpostion interval Face, the lower part and top of the conveyer belt join end to end to form closing structure, and the base band is successively passed through respectively along the conveyer belt The heating roller surface heat drying.
3. a kind of lithium battery pole slice vacuum uncoiling drying system according to claim 2, which is characterized in that the uncoiler Structure includes unwinding shaft and uncoiling motor, and the base band barrel adapter sleeve is set on the unwinding shaft, the uncoiling motor with it is described Unwinding shaft rotation connection drives the unwinding shaft rotation, is provided with deviation correction mechanism on the unwinding shaft and is used for the position of the base band Correction is set, deflection correction sensor, the deflection correction sensor and institute are provided between the uncoiling mechanism and first splicing equipment Deviation correction mechanism electric connection is stated, barrel ejecting mechanism is provided on the unwinding shaft for releasing empty barrel.
4. a kind of lithium battery pole slice vacuum uncoiling drying system according to claim 3, which is characterized in that the unwinding shaft Including hollow shaft open at one end, hollow shaft side relative position is provided with limit hole, installs in the limit hole Have an expanding block, be wedge face, the expanding block and the hollow shaft elastic connection on the inside of the opposite expanding block, it is described in It is provided with mandril in empty axis body, the position that the mandril corresponds to the expanding block is provided with wedge pushing block, and the mandril is inwardly One end connect with the hollow shaft closed end inner elastic.
5. a kind of lithium battery pole slice vacuum uncoiling drying system according to claim 2, which is characterized in that the heating roller Group both ends are provided with pendulum roller, and the pendulum roller surface is passed through in the upper end of the conveyer belt.
6. a kind of lithium battery pole slice vacuum uncoiling drying system according to claim 2, which is characterized in that described first connects It is identical as the structure of second tape splicing mechanism with mechanism, including the compact heap and compression cylinder for compressing base band, the pressure Tight cylinder is drivingly connected with the compact heap with for compressing base band, the compact heap compresses the base band.
7. a kind of lithium battery pole slice vacuum uncoiling drying system according to claim 6, which is characterized in that further include multiple Cross roller, the both ends crossed roller and be installed on the both ends and second tape splicing mechanism of first tape splicing mechanism.
8. a kind of lithium battery pole slice vacuum uncoiling drying system according to claim 7, which is characterized in that the winder Structure includes that Scroll and winding pressure roller, the winding barrel are sheathed on the Scroll, and the base band after drying is wound in described It winds on barrel, the winding motor and the Scroll are drivingly connected and the Scroll driven to rotate, the winding pressure roller packet Rubber roller and balance staff are included, the balance staff is located above the Scroll, connects between the rubber roller and the balance staff by a swing rod And the base band is compacted with Scroll interaction.
CN201820527074.4U 2018-04-13 2018-04-13 A kind of lithium battery pole slice vacuum uncoiling drying system Active CN208720722U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108258190A (en) * 2018-04-13 2018-07-06 深圳市镭煜科技有限公司 A kind of lithium battery pole slice vacuum uncoiling drying system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108258190A (en) * 2018-04-13 2018-07-06 深圳市镭煜科技有限公司 A kind of lithium battery pole slice vacuum uncoiling drying system

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