CN210346100U

CN210346100U - Vacuum drying oven special for battery

Info

Publication number: CN210346100U
Application number: CN201920632816.4U
Authority: CN
Inventors: 徐艳
Original assignee: Suqian College
Current assignee: Suqian College
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-04-17
Anticipated expiration: 2029-05-06

Abstract

The utility model discloses a vacuum drying box special for batteries, which comprises a box body, one side of the box body is hinged with a box door, the front end surface of the box body is provided with a control panel, the interior of the box body is provided with a drying chamber, the drying chamber is internally provided with a plurality of placing plates from bottom to top in sequence, the placing plates are provided with a plurality of air holes, the upper end surface of the placing plates is uniformly fixed with a plurality of clapboards, the bottom of the drying chamber is provided with a groove, the bottom of the groove is provided with a motor, the output shaft of the motor is provided with a fan blade, the upper part of the fan blade is provided with an electric heating pipe, the inner wall of one side of the groove is provided with a nitrogen input pipe in a penetrating way, the end part of the nitrogen input pipe is provided with a first electric control valve, the top of the box body is provided with a vacuum pump, one side of the vacuum pump, thereby ensuring the drying efficiency of the drying chamber.

Description

Vacuum drying oven special for battery

Technical Field

The utility model relates to a dry technical field of battery, in particular to special vacuum drying oven of battery.

Background

With the increasing concern of new energy and clean energy in China and the whole world, the demand of lithium batteries is increased particularly for the popularization of new energy vehicles. The lithium battery is composed of a plurality of lithium battery pole pieces, and the important production process of the lithium battery pole pieces is drying, so that high-quality drying equipment becomes the guarantee of the high-quality battery.

The battery is in the production and processing process, the pole piece needs to be dried, moisture in the battery or the pole piece is converted into water vapor after a special drying oven for the lithium battery is heated for a period of time under normal pressure, the water vapor can be pumped out through vacuumizing after the moisture is evaporated, nitrogen is filled for breaking vacuum, the drying environment is kept, the actual baking process is different according to three steps above different processes, multiple circulation is generally needed, then the existing drying mode is single, the baking is mainly carried out through heating of a heating plate, internal heat flow circulation cannot be formed, the drying efficiency is low, and the problems which exist in practice and need to be solved urgently are solved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a special vacuum drying oven of battery can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a vacuum drying box special for batteries comprises a box body, wherein a box door is hinged to one side of the box body, a control panel is arranged on the front end surface of the box body, a drying chamber is arranged in the box body, a plurality of placing plates are sequentially arranged in the drying chamber from bottom to top, a plurality of air holes are formed in the placing plates, a plurality of partition plates are uniformly fixed on the upper end surface of each placing plate, a groove is formed in the bottom of the drying chamber, a motor is arranged at the bottom of the groove, fan blades are mounted on an output shaft of the motor, an electric heating pipe is arranged above each fan blade, an annular fixing plate is arranged on the outer side of the top of the groove, a first filter screen is mounted on the inner side of each annular fixing plate, a nitrogen input pipe penetrates through the inner wall of one side of the groove, a first electric control valve is arranged at the, one side of vacuum pump is connected with the trachea, be equipped with the automatically controlled valve of second on the trachea, tracheal lower extreme runs through the top of box extends to drying chamber inboard top is connected with the cover of breathing in, be equipped with the second filter screen in the cover of breathing in, one side of drying chamber is equipped with circulating fan, circulating fan's the end of giving vent to anger is connected with first circulating pipe, the tip of first circulating pipe extends to the inboard bottom of drying chamber, circulating fan's gas transmission end is connected with the second circulating pipe, the tip of second circulating pipe extends to the inboard top of drying chamber, the rear end of box is connected with the power connecting wire, the end connection of power connecting wire has power plug.

Preferably, place the board on the equipartition have a plurality of skid-proof protrusion, skid-proof protrusion is the hemisphere.

Preferably, the number of the placing plates is four, and each placing plate is provided with five partition plates.

Preferably, the nitrogen input pipe is connected with an external nitrogen storage device.

Preferably, the middle part of chamber door is equipped with transparent observation window, the edge of chamber door is installed the sealing washer.

Preferably, a handle is arranged on the outer side of the box door.

Compared with the prior art, the utility model discloses following beneficial effect has: this special vacuum drying oven of battery, it is spacing to be used for carrying on the battery through setting up baffle and non-slip raised, in order to prevent that the battery from removing, starter motor and electric heating pipe, the motor drives the flabellum rotation, blow in the hot-air in the drying chamber, then start the vacuum pump and open the second automatically controlled valve, the air that the vacuum pump has humidity in with the drying chamber through the trachea is taken out, then close the second automatically controlled valve, open first automatically controlled valve after that, make the nitrogen gas input tube fill nitrogen gas in to the drying chamber, nitrogen gas is in higher temperature through electric heating pipe's heating simultaneously, nitrogen gas upwards flows from the bleeder vent, until nitrogen gas is full of whole drying chamber, then close the second automatically controlled valve, then start circulating fan, circulating fan drives the inside nitrogen gas of drying chamber and carries out the thermal current circulation, thereby guarantee the drying efficiency of.

Drawings

Fig. 1 is the overall structure schematic diagram of the vacuum drying oven special for battery of the present invention.

Fig. 2 is a cross-sectional view of the vacuum drying oven for battery of the present invention.

Fig. 3 is a schematic structural diagram of the first filter screen of the vacuum drying oven for battery of the present invention.

In the figure: 1. a box body; 2. a box door; 3. a control panel; 4. a drying chamber; 5. placing the plate; 6. air holes are formed; 7. a partition plate; 8. a groove; 9. a motor; 10. a fan blade; 11. an electric heating tube; 12. an annular fixed plate; 13. A first filter screen; 14. a nitrogen gas input pipe; 15. a first electrically controlled valve; 16. a vacuum pump; 17. an air tube; 18. A second electrically controlled valve; 19. an air intake cover; 20. a second filter screen; 21. a circulating fan; 22. a first circulation pipe; 23. a second circulation pipe; 24. a power connection line; 25. a transparent viewing window.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a vacuum drying oven special for batteries comprises an oven body 1, a door 2 is hinged on one side of the oven body 1, a control panel 3 is arranged on the front end surface of the oven body 1, a drying chamber 4 is arranged inside the oven body 1, a plurality of placing plates 5 are sequentially arranged in the drying chamber 4 from bottom to top, a plurality of air holes 6 are arranged on the placing plates 5, a plurality of partition plates 7 are uniformly fixed on the upper end surface of the placing plates 5, a groove 8 is arranged at the bottom of the drying chamber 4, a motor 9 is arranged at the bottom of the groove 8, a fan blade 10 is arranged on an output shaft of the motor 9, an electric heating pipe 11 is arranged above the fan blade 10, an annular fixing plate 12 is arranged on the outer side of the top of the groove 8, a first filter screen 13 is arranged on the inner side of the annular fixing plate 12, and a nitrogen input pipe 14 is arranged, the end part of the nitrogen input pipe 14 is provided with a first electric control valve 15, the top of the box body 1 is provided with a vacuum pump 16, one side of the vacuum pump 16 is connected with an air pipe 17, a second electric control valve 18 is arranged on the air pipe 17, the lower end of the air pipe 17 penetrates the top of the box body 1 and extends to the top of the inner side of the drying chamber 4 to be connected with an air suction cover 19, a second filter screen 20 is arranged in the air suction cover 19, a circulating fan 21 is arranged on one side of the drying chamber 4, the air outlet end of the circulating fan 21 is connected with a first circulating pipe 22, the end part of the first circulating pipe 22 extends to the bottom of the inner side of the drying chamber 4, the gas transmission end of the circulating fan 21 is connected with a second circulating pipe 23, the end part of the second circulating pipe 23 extends to the upper part of the inner side of the drying chamber 4, the rear end of the box body 1 is connected with a power supply connecting wire 24, and the end part of the power supply connecting wire 24 is connected with a power supply plug.

In this embodiment, preferably, a plurality of anti-skid protrusions are uniformly distributed on the placing plate 5, and the anti-skid protrusions are hemispherical.

In this embodiment, it is preferable that the number of the placing plates 5 is four, and each of the placing plates 5 is provided with five partition plates 7.

In this embodiment, the nitrogen input pipe 14 is preferably connected to an external nitrogen storage device.

In this embodiment, preferably, a transparent observation window 25 is disposed in the middle of the box door 2, and a sealing ring is installed at the edge of the box door 2.

In this embodiment, preferably, a handle is disposed on an outer side of the door 2.

It should be noted that, the utility model relates to a special vacuum drying oven for battery, when using, at first place the battery on placing the board 5, baffle 7 and non-slip raised are used for spacing the battery, in order to prevent the battery from removing, start motor 9 and electric heating pipe 11, motor 9 drives flabellum 10 rotatory, blow in hot air to drying chamber 4, then start vacuum pump 16 and open second automatically controlled valve 18, vacuum pump 16 takes out the air that has humidity in drying chamber 4 through trachea 17, then close second automatically controlled valve 18, then open first automatically controlled valve 15, make nitrogen gas input tube 14 fill nitrogen gas to drying chamber 4, nitrogen gas is in higher temperature through the heating of electric heating pipe 11 simultaneously, nitrogen gas upwards flows from the bleeder vent, until nitrogen gas is full of whole drying chamber 4, then close second automatically controlled valve 18, then start circulating fan 21, circulating fan 21 drives the inside nitrogen gas of drying chamber 4 and carries out the thermal current circulation, thereby ensuring the drying efficiency of the drying chamber 4.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a special vacuum drying oven of battery, includes box (1), its characterized in that: one side of the box body (1) is hinged with a box door (2), a control panel (3) is arranged on the front end surface of the box body (1), a drying chamber (4) is arranged inside the box body (1), a plurality of placing plates (5) are sequentially arranged in the drying chamber (4) from bottom to top, a plurality of air holes (6) are formed in the placing plates (5), a plurality of partition plates (7) are uniformly fixed on the upper end surface of the placing plates (5), a groove (8) is formed in the bottom of the drying chamber (4), a motor (9) is arranged at the bottom of the groove (8), fan blades (10) are installed on an output shaft of the motor (9), an electric heating pipe (11) is arranged above the fan blades (10), an annular fixing plate (12) is arranged on the outer side of the top of the groove (8), a first filter screen (13) is installed on the inner side of the annular fixing plate, the drying device is characterized in that a nitrogen input pipe (14) is arranged on the inner wall of one side of the groove (8) in a penetrating mode, a first electric control valve (15) is arranged at the end portion of the nitrogen input pipe (14), a vacuum pump (16) is arranged at the top of the box body (1), an air pipe (17) is connected to one side of the vacuum pump (16), a second electric control valve (18) is arranged on the air pipe (17), the lower end of the air pipe (17) penetrates through the top of the box body (1) and extends to the top of the inner side of the drying chamber (4), an air suction cover (19) is connected to the top of the inner side of the drying chamber (4), a second filter screen (20) is arranged in the air suction cover (19), a circulating fan (21) is arranged on one side of the drying chamber (4), a first circulating pipe (22) is connected to the air outlet end of the circulating fan (21), the end of the first circulating pipe (22, the end part of the second circulating pipe (23) extends to the upper part of the inner side of the drying chamber (4), the rear end of the box body (1) is connected with a power supply connecting wire (24), and the end part of the power supply connecting wire (24) is connected with a power supply plug.

2. The vacuum drying oven special for the battery according to claim 1, characterized in that: a plurality of anti-skid protrusions are uniformly distributed on the placing plate (5), and the anti-skid protrusions are hemispherical.

3. The vacuum drying oven special for the battery according to claim 1, characterized in that: the number of the placing plates (5) is four, and five partition plates (7) are arranged on each placing plate (5).

4. The vacuum drying oven special for the battery according to claim 1, characterized in that: the nitrogen input pipe (14) is connected with an external nitrogen storage device.

5. The vacuum drying oven special for the battery according to claim 1, characterized in that: the middle part of chamber door (2) is equipped with transparent observation window (25), the sealing washer is installed to the edge of chamber door (2).

6. The vacuum drying oven special for the battery according to claim 1, characterized in that: the outer side of the box door (2) is provided with a handle.