CN215063321U - Drying device for lithium battery production - Google Patents

Abstract

The utility model discloses a drying device for lithium cell production belongs to the lithium cell production field, including install bin, median septum, adjustable structure, draft tube, through-hole, axial fan, power take off structure, backward flow tuber pipe, inside and outside circulation switching structure, electric heater that hold. The utility model discloses an adjustable structure that holds on the median septum on the install bin can hold the lithium cell of different specifications, and then make the lithium cell be in unsettled state, drive axial fan work through the power take off structure, electric heater work simultaneously, and then pass the through-hole through the draft tube and blow off hot-blastly to the lithium cell, and then dry the lithium cell, in operation, the air current is circulated through the lower side on the median septum of backward flow tuber pipe install bin, and then reduced the heat loss, after the work a period, through the work of inside and outside circulation switched structure, make the moist hot-blast discharge in the install bin, realize the stoving to the lithium cell.

Description

Drying device for lithium battery production

Technical Field

The utility model relates to a lithium cell production field, especially a drying device is used in lithium cell production.

Background

The electrolyte in the lithium battery is an organic matter without water molecules, and the existence of water has great harm to the battery, so that the electrochemical performance of the finished battery is reduced, the battery generates flatulence, and even the battery generates heat.

Among the prior art, patent publication No. CN208736101U discloses drying device for lithium cell production relates to the lithium cell field. This drying device is used in lithium cell production, the power distribution box comprises a box body, the bottom of box is provided with the fixing base, the four corners of fixing base bottom all is equipped with the lower margin, the inside bottom of box is provided with first motor, the bottom of first motor and the top fixed connection of first screw rod, the bottom of first screw rod runs through box and fixing base in proper order and extends to the inside of fixing base, the inside of box and the top that is located first motor are provided with the baffle, the top of baffle and the bottom fixed connection of second motor.

Above-mentioned technical scheme has solved the problem that proposes in the above-mentioned background art to a certain extent, but its mode that adopts platelike structure to hold the lithium cell leads to being closely laminated state between lithium cell bottom and platelike structure, and then leads to the stoving effect of lithium cell bottom surface part to reduce, consequently needs the drying device for lithium cell production of a solution above-mentioned problem.

Disclosure of Invention

The utility model aims at solving the problem of proposing in the background art, designed a drying device for lithium cell production.

The technical scheme of the utility model is that the drying device for producing the lithium battery comprises an installation box, a middle clapboard, an adjustable holding structure, a guide cylinder, a through hole, an axial fan, a power output structure, a backflow air pipe, an internal and external circulation switching structure and an electric heater, the middle clapboard is fixedly arranged at the middle part in the installation box, the adjustable containing structure is arranged on the middle clapboard, the guide shell is fixedly arranged on the lower surface of the middle clapboard, the through hole is arranged on the middle clapboard and is positioned above the inner part of the guide shell, the axial flow fan is rotatably arranged in the guide shell, the power output structure is arranged at the lower part in the installation box and is connected with the axial flow fan, the internal and external circulation switching structure is fixedly arranged on the backflow air pipe, and the electric heater is fixedly arranged at the upper part in the guide cylinder;

furthermore, the backflow air pipe is of a rectangular tubular structure which is led out from the upper wall of the installation box and then led in from the side wall below the partition board in the installation box and is fixed outside the installation box.

Furthermore, the adjustable containing structure comprises guide rails, sliding blocks and locking bolts, wherein the guide rails are transversely and equidistantly arranged on the upper surface of the middle partition plate and penetrate through the through holes, the sliding blocks are slidably arranged on the guide rails respectively in a sliding mode, the locking bolts are inserted into the sliding blocks in an occluded mode, and the lower ends of the locking bolts are in contact with the upper surfaces of the guide rails.

Furthermore, a containing seat is arranged on the locking bolt, and the containing seat is fixedly installed at the upper end of the locking bolt.

Furthermore, the power output structure comprises a lower partition plate, a power motor and an output shaft, the lower partition plate is fixedly installed at the lower part of the installation box and is located below the introduction end of the backflow air pipe, the power motor is fixedly installed in the installation box below the lower partition plate, and the output shaft is fixedly installed at the output end of the power motor and is fixedly connected with the axial flow fan at the upper end of the output shaft.

Further, the internal and external circulation switching structure comprises an air outlet pipe, an air outlet, a telescopic cylinder, a connecting plate, a guide rod, a sliding plate, a switch opening and a backflow opening, the air outlet pipe is slidably inserted into the upper portion of the backflow air pipe, the air outlet is arranged on the lower portion of the air outlet pipe and leads out towards the backflow air pipe, the telescopic cylinder is fixedly arranged on the upper surface of the backflow air pipe, the connecting plate is fixedly arranged on the air outlet pipe and is connected with the telescopic end of the telescopic cylinder, the guide rod is fixedly and vertically arranged on the upper surface of the backflow air pipe and is slidably inserted into the connecting plate, the sliding plate is slidably attached to the side wall of the backflow air pipe, the upper end of the sliding plate is fixedly connected with the connecting plate, the switch opening is arranged on the lower portion of the sliding plate, and the backflow opening is arranged on the side wall of the backflow air pipe and corresponds to the position of the switch opening.

Has the advantages that:

through the structural design of the device, lithium batteries with different specifications can be placed by utilizing the adjustable containing structure on the middle partition plate on the installation box, so that the lithium batteries are in a suspended state, and the problem that the drying effect on the bottom surfaces of the lithium batteries is poor due to the fact that the lower surfaces of the lithium batteries are in contact with the plate-shaped structure because the lithium batteries are directly placed on the plate-shaped structure in the prior art is solved;

drive axial fan work through the power take off structure, electric heater work simultaneously, and then pass the through-hole through the draft tube and blow off hot-blastly to the lithium cell, and then dry the lithium cell, in operation, the air current is through the circulation of backward flow tuber pipe about the median septum of install bin, and then heat loss has been reduced, after working a period, through inside and outside circulation switching structure work, make the moist hot-blast discharge in the install bin, realize the stoving to the lithium cell, because the moisture that itself carried is less on the lithium cell of being dried, therefore the moisture evaporation of lithium cell just makes the moisture that carries on the lithium cell reduce a lot when in the air, and can circulate many times above-mentioned process and realize the stoving of higher drier to the lithium cell, and novel structure is strong in practicability.

Drawings

Fig. 1 is a schematic view of an internal structure of a drying device for lithium battery production according to the present invention;

fig. 2 is a schematic view of an external structure of the drying device for lithium battery production of the present invention;

fig. 3 is a schematic top view of the middle partition plate of the present invention.

In the figure, 1, a box is installed; 2. a middle partition plate; 3. a draft tube; 4. a through hole; 5. an axial flow fan; 6. a return air duct; 7. a guide rail; 8. a slider; 9. a locking bolt; 10. a containing seat; 11. a lower partition plate; 12. a power motor; 13. an output shaft; 14. an air outlet pipe; 15. an air outlet; 16. a telescopic cylinder; 17. a connecting plate; 18. a guide bar; 19. a sliding plate; 20. a switch port; 21. a return port; 30. an electric heater.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper/lower end", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed/sleeved," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a drying device for lithium battery production comprises an installation box 1, a middle partition plate 2, an adjustable containing structure, a guide cylinder 3, a through hole 4, an axial flow fan 5, a power output structure, a backflow air pipe 6, an internal and external circulation switching structure and an electric heater 30, wherein the middle partition plate 2 is fixedly installed in the middle of the installation box 1, the adjustable containing structure is installed on the middle partition plate 2, the guide cylinder 3 is fixedly installed on the lower surface of the middle partition plate 2, the through hole 4 is formed in the middle partition plate 2 and located above the inner part of the guide cylinder 3, the axial flow fan 5 is rotatably installed in the guide cylinder 3, the power output structure is installed at the lower part of the installation box 1 and connected with the axial flow fan 5, the backflow air pipe 6 is fixedly installed on the installation box 1, the internal and external circulation switching structure is fixedly installed on the backflow air pipe 6, and the electric heater 30 is fixedly installed at the upper part of the inner part of the guide cylinder 3; the backflow air pipe 6 is a rectangular tubular structure which is led out from the upper wall of the installation box 1 and then led in from the side wall below the partition board 2 in the installation box 1 and is fixed outside the installation box 1, wherein the electric heater 30 can be a resistance type electric heater with a plurality of resistance wires arranged in parallel, the heating power of the electric heater 30 can be controlled through the power control module, and the power control module can be a knob rheostat.

The utility model discloses in, adjustable structure that holds includes guided way 7, slider 8, locking bolt 9, many guided ways 7 are horizontal and equidistant distribution install on 2 upper surfaces of median septum and pass from through-hole 4 tops, slide respectively slidable mounting on many guided ways 7 to slider 8, locking bolt 9 interlock cartridge contacts on slider 8 and its lower extreme and guided way 7 upper surface, through the interval between the adjusting block 8, and utilize locking bolt 9 to lock, and then the rectangle structure is constituteed to locking bolt 9 on four usable sliders 8, be convenient for place the lithium cell.

The utility model discloses in, be equipped with on the locking bolt 9 and hold seat 10, hold seat 10 fixed mounting in locking bolt 9 upper end, during the use, the lithium cell is placed on holding seat 10.

The utility model discloses in, power take off structure includes baffle 11 down, motor 12, output shaft 13, 11 fixed mounting of lower part just is located backflow tuber pipe 6 and introduces the end below in installation box 1 down baffle 11, motor 12 fixed mounting is in 11 below installation box 1 of baffle down, output shaft 13 fixed mounting is on motor 12 output and its upper end and axial fan 5 fixed connection, in operation, work drives output shaft 13 through motor 12 and rotates and then drive axial fan 5 and rotate, realizes axial fan 5's the air blast that makes progress.

In the utility model, the internal and external circulation switching structure comprises an air outlet pipe 14, an air outlet 15, a telescopic cylinder 16 and a connecting plate 17, the air outlet pipe 14 is inserted in the upper part of the backflow air pipe 6 in a sliding manner, the air outlet 15 is formed in the lower part of the air outlet pipe 14 and faces the leading-out side of the backflow air pipe 6, the telescopic cylinder 16 is fixedly installed on the upper surface of the backflow air pipe 6, the connecting plate 17 is fixedly installed on the air outlet pipe 14 and is connected with the telescopic end of the telescopic cylinder 16, the guide rod 18 is fixedly and vertically installed on the upper surface of the backflow air pipe 6 and is inserted in the connecting plate 17 in a sliding manner, the sliding plate 19 is installed on the side wall of the backflow air pipe 6 in a sliding fit manner, the upper end of the sliding plate is fixedly connected with the connecting plate 17, the switch port 20 is formed in the lower part of the sliding plate 19, the backflow port 21 is formed in the side wall of the backflow air pipe 6 and corresponds to the switch port 20 in position, and the telescopic cylinder 16 can be an air cylinder or a hydraulic cylinder;

when switching between the internal circulation and the external circulation is needed, when the telescopic cylinder 16 is in a contraction state, the air outlet pipe 14 intercepts the backflow air pipe 6, so that air flow in the backflow air pipe 6 enters the air outlet pipe 14 through the air outlet 15 and is discharged, meanwhile, the switch port 20 on the sliding plate 19 on the connecting plate 17 corresponds to the position of the backflow port 21, and then external dry air is sucked into the backflow air pipe 6 through the backflow port 21;

when the telescopic cylinder 16 is in an extended state, the air outlet pipe 14 slides upwards, the bottom surface of the air outlet pipe 14 is flush with the upper surface of the backflow air pipe 6, meanwhile, the sliding plate 19 moves upwards to cause the positions of the opening and closing port 20 and the backflow port 21 to be staggered, and then the backflow port 21 is blocked by the sliding plate 19, so that the backflow air pipe 6 forms a closed passage.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet control requirements, and specific connection and control sequences.

In this embodiment:

example (b): when the lithium battery drying device works, firstly, the switch door on the upper part of the installation box 1 is opened, then a lithium battery is placed on the adjustable containing structure with the adjusted interval, then, the switch door is closed, the telescopic cylinder 16 of the internal and external circulation switching structure is in an extending state, further, the axial flow fan 5 is driven to work through the power output structure, meanwhile, the electric heater 30 works, further, hot air is blown out to the lithium battery through the through hole 4 through the guide cylinder 3, further, the lithium battery is dried, when the lithium battery drying device works, air flow circulates on the upper side and the lower side of the middle partition plate 2 of the installation box 1 through the backflow air pipe 6, further, heat loss is reduced, the output power of the electric heater 30 can be adjusted through the combination of a controller such as a PLC (programmable logic controller) and the PID (proportion integration differentiation) control, so that the inside of the installation box 1 is in a set proper temperature state, after working for a period of time, for example, after 30min, through the work of the internal and external circulation switching structure, the telescopic cylinder 16 retracts to enable the moist hot air in the installation box 1 to be discharged, the drying of the lithium battery is further achieved, when the drying effect needs to be increased, the retracted state of the telescopic cylinder 16 is continued to stretch out after 5min for example, and then the processes are circulated.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A drying device for lithium battery production comprises an installation box (1), a middle partition plate (2), an adjustable containing structure, a flow guide cylinder (3), a through hole (4), an axial flow fan (5), a power output structure, a backflow air pipe (6), an internal and external circulation switching structure and an electric heater (30), wherein the middle partition plate (2) is fixedly installed in the middle of the installation box (1), the drying device is characterized in that the adjustable containing structure is installed on the middle partition plate (2), the flow guide cylinder (3) is fixedly installed on the lower surface of the middle partition plate (2), the through hole (4) is formed in the middle partition plate (2) and is positioned above the inner part of the flow guide cylinder (3), the axial flow fan (5) is rotatably installed in the flow guide cylinder (3), the power output structure is installed on the inner lower part of the installation box (1) and is connected with the axial flow fan (5), the backflow air pipe (6) is fixedly installed on the installation box (1), the internal and external circulation switching structure is fixedly arranged on the backflow air pipe (6), and the electric heater (30) is fixedly arranged at the upper part in the guide shell (3);

the backflow air pipe (6) is of a rectangular tubular structure which is led out from the upper wall of the installation box (1) and then led in from the side wall below the partition plate (2) in the installation box (1) and is fixed outside the installation box (1).

2. The drying device for the lithium battery production as claimed in claim 1, wherein the adjustable containing structure comprises guide rails (7), sliders (8) and locking bolts (9), wherein the guide rails (7) are transversely and equidistantly distributed on the upper surface of the middle partition plate (2) and penetrate through the through holes (4), the sliders (8) are slidably mounted on the guide rails (7) respectively, the locking bolts (9) are engaged and inserted on the sliders (8) and the lower ends of the locking bolts are in contact with the upper surfaces of the guide rails (7).

3. The drying device for lithium battery production as claimed in claim 2, wherein the locking bolt (9) is provided with a containing seat (10), and the containing seat (10) is fixedly installed at the upper end of the locking bolt (9).

4. The drying device for lithium battery production as claimed in claim 1, wherein the power output structure comprises a lower partition plate (11), a power motor (12) and an output shaft (13), the lower partition plate (11) is fixedly installed at the middle lower part of the installation box (1) and is located below the introduction end of the backflow air pipe (6), the power motor (12) is fixedly installed in the installation box (1) below the lower partition plate (11), and the output shaft (13) is fixedly installed at the output end of the power motor (12) and is fixedly connected with the axial flow fan (5) at the upper end thereof.

5. The drying device for lithium battery production as claimed in claim 1, wherein the internal and external circulation switching structure comprises an air outlet pipe (14), an air outlet (15), a telescopic cylinder (16), a connecting plate (17), a guide rod (18), a sliding plate (19), a switch port (20) and a return port (21), the air outlet pipe (14) is slidably inserted into the upper portion of the return air pipe (6), the air outlet (15) is arranged on the lower portion of the air outlet pipe (14) and faces towards the leading-out side of the return air pipe (6), the telescopic cylinder (16) is fixedly arranged on the upper surface of the return air pipe (6), the connecting plate (17) is fixedly arranged on the air outlet pipe (14) and is connected with the telescopic end of the telescopic cylinder (16), the guide rod (18) is fixedly and vertically arranged on the upper surface of the return air pipe (6) and is slidably inserted into the connecting plate (17), the sliding plate (19) is slidably attached to the side wall of the return air pipe (6) and the upper end of the sliding plate is fixedly connected with the connecting plate (17) The switch opening (20) is arranged at the lower part of the sliding plate (19), and the return opening (21) is arranged on the side wall of the return air duct (6) and corresponds to the switch opening (20).

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