Drying device of composite current collector

Abstract

The utility model belongs to the technical field of composite current collectors, and particularly relates to a drying device of a composite current collector, which comprises a drying box and a motor, sliding rails are fixedly connected to two sides in the drying box, placing plates are slidably connected to the inner surfaces of the sliding rails, and a limiting block is fixedly connected to one end in the drying box. One end of the motor penetrates through one side of the surface of the drying box and is connected with one side of the surface of the limiting block, and the output end of the motor is connected with a threaded rotating shaft. Through mutual cooperation of a vacuum box, a vacuum pump, a reflecting cover, an exhaust pipe and a heating lamp, the vacuum pump drives the exhaust pipe to exhaust air in the drying box, and the vacuum pump is used for reducing pressure in a closed space, so that water is boiled and evaporated at low temperature, and a thermo-optical lamp is driven to stably move front and back; each part of the composite current collector is more uniformly irradiated by lamplight through stable movement of the thermo-optical lamp, so that the edge of the composite current collector is prevented from curling in the drying process, the waste is reduced, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the composite current collector technical field, concretely relates to a kind of drying device of composite current collector. BACKGROUND

[0002] It is known that the four major parts of lithium-ion battery are positive material, negative material, separator and electrolyte, but, in addition to the four major parts, the current collector for storing positive and negative materials is also an important part of lithium battery, for lithium-ion battery, the commonly used positive current collector is aluminum foil, and the negative current collector is copper foil, in order to ensure the stability of the current collector in the battery, the purity of both is required to be above 98%, in the production process of the current collector aluminum foil, the positive material, conductive agent and binder are mixed uniformly, and the black slurry is obtained by stirring, then the black slurry is coated on the current collector aluminum foil and placed in a vacuum drying oven for drying.

[0003] The existing drying device is usually dried by heating lamp irradiation, and the single drying method has too low drying efficiency, the composite current collector belongs to ultra-thin sheet material, and the heating lamp irradiates the surface unevenly, which can easily cause the edge of the composite current collector to curl, the curled composite current collector cannot be used, which can cause waste and high production cost. UTILITY MODEL CONTENT

[0004] To solve the problems in the background art, the utility model provides a drying device for composite current collector, which solves the problems of single drying method, too low drying efficiency, composite current collector belongs to ultra-thin sheet material, and the heating lamp irradiates the surface unevenly, which can easily cause the edge of the composite current collector to curl.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a drying device for composite current collector, including drying box and motor, the inner sides of the drying box are fixedly connected with slide rails, the inner surfaces of the slide rails are slidably connected with placing plates, one end of the drying box is fixedly connected with a limiting block, one end of the motor penetrates through one side of the surface of the drying box and is connected with one side of the surface of the limiting block, the output end of the motor is connected with a threaded rotating shaft, the surface of the threaded rotating shaft is threadedly connected with a movable block, the top of the movable block is fixedly connected with a connecting block, one side of the surface of the connecting block is installed with a heat light lamp, the inside of the limiting block is provided with a limiting groove, and the surface of the limiting groove is slidably connected with the surface of the movable block, the lower surface of the placing plate is provided with an ion wind stick, one side of the surface of the drying box is fixedly installed with a mounting plate.

[0006] Preferably, the surface of the heat light lamp is sleeved with a reflector, and one end of the reflector is fixedly connected with one end of the surface of the connecting block.

[0007] Preferably, both sides of the bottom of the drying box are fixedly connected with support blocks, and the bottom of each support block is fixedly connected with a support base.

[0008] Preferably, the surface of the mounting plate is provided with a nitrogen tank, one side of the surface of the nitrogen tank is connected with a gas pump, the center of the top of the nitrogen tank is fixedly connected with a connecting pipe, and the other end of the connecting pipe is fixedly connected with one side of the inside of the drying box.

[0009] Preferably, one end of the inner surface of the drying box is provided with a sliding groove, one end of the outer surface of the drying box is provided with a sliding door, and the surface of the sliding door is slidably connected with the surface of the sliding groove.

[0010] Preferably, one side of the surface of the drying box is provided with a vacuum box, one side of the vacuum box is provided with a vacuum pump, one side of the top of the vacuum box is fixedly connected with an air exhaust pipe, and the other end of the air exhaust pipe is connected with one end of the inside of the drying box.

[0011] Preferably, the inside of the drying box is provided with an electrostatic generator, one end of the electrostatic generator is connected with an electrostatic rod, and one end of the electrostatic rod is in contact with one side of the lower surface of the placing plate.

[0012] Compared with the prior art, the drying box has the advantages that:

[0013] Through the cooperation between the vacuum box, the vacuum pump, the reflector, the air exhaust pipe and the heating lamp, the air in the inside of the drying box is exhausted by the air exhaust pipe driven by the vacuum pump, the pressure in the closed space is reduced by the vacuum pump, water is boiled and evaporated at low temperature, the light emitted by the heat lamp is reflected by the reflector, the utilization efficiency of the light is improved, the composite current collector is dried by the vacuum cooperation with the heating lamp, the high-pressure environment reduces the boiling point of water, the drying efficiency is improved, the threaded rotating shaft and the movable block are cooperated, the threaded rotating shaft is rotated by the motor, the heat lamp is moved stably forward and backward, the composite current collector is irradiated more uniformly by the heat lamp, the edge of the composite current collector is prevented from curling in the drying process, waste is reduced, and the production cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0015] Figure 1 is a perspective view of the present application;

[0016] Figure 2 is a sectional view of the present application;

[0017] Figure 3It is the schematic view of the placing plate of the utility model;

[0018] Figure 4 It is the schematic view of the limiting block of the utility model;

[0019] Figure 5 It is the schematic view of the heat light of the utility model;

[0020] Figure 6 It is the schematic view of the vacuum box of the utility model.

[0021] In the figure: 1, drying box; 2, sliding door; 3, supporting block; 4, supporting base; 5, mounting plate; 6, air pump; 7, nitrogen tank; 8, connecting pipe; 9, sliding chute; 10, sliding rail; 11, limiting block; 12, ion wind stick; 13, placing plate; 14, static generator; 15, static stick; 16, motor; 17, threaded rotating shaft; 18, movable block; 19, limiting groove; 20, connecting block; 21, heat light; 22, reflector; 23, vacuum pump; 24, vacuum box; 25, air suction pipe. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-6 The utility model provides the following technical scheme: a kind of drying device of composite current collector, including drying box 1 and motor 16, both sides in drying box 1 are fixedly connected with sliding rail 10, the inner surface of sliding rail 10 is slidably connected with placing plate 13, one end in drying box 1 is fixedly connected with limiting block 11, one end of motor 16 is connected with the surface of limiting block 11 on the side of the surface of drying box 1, the output end of motor 16 is connected with threaded rotating shaft 17, the surface of threaded rotating shaft 17 is screw threadedly connected with movable block 18, the top of movable block 18 is fixedly connected with connecting block 20, heat light 21 is installed on the side of the surface of connecting block 20, limiting groove 19 is arranged in the inside of limiting block 11, and the surface of limiting groove 19 is slidably connected with the surface of movable block 18, the lower surface of placing plate 13 is provided with ion wind stick 12, and mounting plate 5 is fixedly installed on the side of the surface of drying box 1.

[0024] In the embodiment: reflector 22 is concentrated to target area by high reflectivity material to the originally scattered heat radiation, reduces energy waste, so as to reduce energy consumption, makes energy more concentrated, accelerates water evaporation efficiency, shortens drying time, improves work efficiency.

[0025] In this embodiment: the corresponding installed support block 3 can support the drying box 1, avoid the surface of the drying box 1 directly contact with the ground, avoid the drying box 1 being worn, the support base 4 can expand the contact area of the support block 3 and the ground, improve the stability of the device.

[0026] In this embodiment: after the composite current collector is dried, the air pump 6 can press the nitrogen in the nitrogen tank 7 into the inside of the drying box 1 through the connecting pipe 8, the nitrogen is inert gas, reduces the oxidation reaction of the composite current collector with oxygen for a long time, makes the composite current collector more stable.

[0027] In this embodiment: the electrostatic generator 14 can generate static electricity, and at the same time, the generated static electricity is conducted to the inside of the electrostatic rod 15, then the electrostatic rod 15 conducts the static electricity to the surface of the placing plate 13, the static electricity on the surface of the placing plate 13 can adsorb the composite current collector, makes the composite current collector more flat when spreading, at the same time, avoids the curling of the edge of the composite current collector caused by the evaporation of the moisture in the composite current collector during the drying process, avoids the uneven heating of the surface of the composite current collector.

[0028] In this embodiment: the vacuum pump 23 can drive the air suction pipe 25 to suck the air in the drying box 1 to the inside of the vacuum box 24, improves the air pressure in the drying box 1 by reducing the air in the drying box 1, as the air pressure rises, the boiling point of water will be reduced, improves the drying efficiency of the composite current collector by the heat lamp 21.

[0029] In this embodiment: the ion wind rod 12 can absorb the excess static electricity, avoids the static electricity contained in the composite current collector, facilitates the subsequent operation, improves the stability of the process in the processing process.

[0030] The working principle and use process of the utility model: after the utility model is installed, the sliding door 2 is opened, the electrostatic generator 14 is started, the electrostatic is transmitted to the surface of the electrostatic rod 15, the electrostatic on the surface of the electrostatic rod 15 is conducted to the surface of the placing plate 13, then the composite current collector is laid on the surface of the placing plate 13, then the heat light lamp 21 is started, the surface of the composite current collector is irradiated by heat light, the sliding door 2 is closed, the motor 16 is started, the threaded rotating shaft 17 is rotated, the movable block 18 is moved under the limitation of the limiting groove 19, the connecting block 20 is moved, the heat light lamp 21 and the reflector 22 are moved, the surface of the composite current collector is irradiated by heat light through the back and forth movement of the heat light lamp 21, then the vacuum pump 23 is started, the air in the inside of the drying box 1 is sucked into the inside of the vacuum box 24 through the air suction pipe 25, the air pressure in the inside of the drying box 1 is reduced, the boiling point of water is reduced, the drying efficiency is accelerated, after the composite current collector is dried, the heat light lamp 21 is powered off first, then the motor 16 is closed, the heat light lamp 21 and the reflector 22 stop moving, the air pump 6 is started, the nitrogen in the inside of the nitrogen tank 7 is pressed into the inside of the drying box 1 through the connecting pipe 8, after the inside of the drying box 1 is filled with nitrogen, the air pump 6 is closed, the sliding door 2 is opened, then the electrostatic generator 14 is closed, then the ion wind rod 12 is started, the electrostatic contained in the placing plate 13 and the composite current collector is absorbed, after the electrostatic is completely absorbed, the composite current collector is taken out and placed in the corresponding position, all the electric equipment in the device is powered by the external power supply.

[0031] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A drying device of a composite current collector comprising a drying box (1) and a motor (16), characterized in that: The both sides of the drying box (1) are fixedly connected with slide rails (10), the inner surface of the slide rail (10) is slidably connected with a placing plate (13), one end of the drying box (1) is fixedly connected with a limiting block (11), one end of the motor (16) penetrates through one side of the surface of the drying box (1) and is connected with one side of the surface of the limiting block (11), the output end of the motor (16) is connected with a threaded rotating shaft (17), the surface of the threaded rotating shaft (17) is threadedly connected with a movable block (18), the top of the movable block (18) is fixedly connected with a connecting block (20), one side of the surface of the connecting block (20) is mounted with a heat light lamp (21), the inside of the limiting block (11) is provided with a limiting groove (19), and the surface of the limiting groove (19) is slidably connected with the surface of the movable block (18), the lower surface of the placing plate (13) is provided with an ion wind rod (12), and one side of the surface of the drying box (1) is fixedly mounted with a mounting plate (5).

2. A drying apparatus for a composite current collector according to claim 1, wherein: The surface of the heat light lamp (21) is sleeved with a reflecting cover (22), and one end of the reflecting cover (22) is fixedly connected with one end of the surface of the connecting block (20).

3. A drying apparatus for a composite current collector as claimed in claim 1, wherein: The both sides of the bottom of the drying box (1) are fixedly connected with supporting blocks (3), and the bottom of the supporting block (3) is fixedly connected with a supporting base (4).

4. The drying apparatus of a composite current collector according to claim 1, wherein: The surface of the mounting plate (5) is provided with a nitrogen tank (7), one side of the surface of the nitrogen tank (7) is connected with a gas pump (6), the top of the center of the nitrogen tank (7) is fixedly connected with a connecting pipe (8), and the other end of the connecting pipe (8) is fixedly connected with one side of the inside of the drying box (1).

5. The drying apparatus of a composite current collector according to claim 1, wherein: One end of the inner surface of the drying box (1) is provided with a sliding groove (9), one end of the outer surface of the drying box (1) is provided with a sliding door (2), and the surface of the sliding door (2) is slidably connected with the surface of the sliding groove (9).

6. A drying apparatus for a composite current collector according to claim 1, wherein: One side of the surface of the drying box (1) is provided with a vacuum box (24), one side of the vacuum box (24) is mounted with a vacuum pump (23), one side of the top of the vacuum box (24) is fixedly connected with an air exhaust pipe (25), and the other end of the air exhaust pipe (25) is connected with one end of the inside of the drying box (1).

7. A drying apparatus for a composite current collector as defined in claim 1, wherein: The inside of the drying box (1) is provided with an electrostatic generator (14), one end of the electrostatic generator (14) is connected with an electrostatic rod (15), and one end of the electrostatic rod (15) is in contact with one side of the lower surface of the placing plate (13).

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