CN213955776U

CN213955776U - Vacuum oven is used in lithium cell production

Info

Publication number: CN213955776U
Application number: CN202022597367.XU
Authority: CN
Inventors: 蔡昌明
Original assignee: Chongqing Chaoding Intelligent Equipment Technology Co ltd
Current assignee: Chongqing Chaoding Intelligent Equipment Technology Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-08-13
Anticipated expiration: 2030-11-11

Abstract

The utility model discloses a vacuum oven for producing lithium batteries, which comprises a box body; the heating rods are fixedly welded on the inner walls of the two sides of the box body; the vacuum tube is fixedly inserted at the top of one side of the box body; the bottom of one side of the box body is fixedly inserted with the nitrogen inlet pipe; slewing mechanism, slewing mechanism includes the fixed axle, places dish and motor, the bottom of box department placed in the middle has the motor through support fixed mounting, the fixed cover of output shaft of motor has connect the fixed axle, the top of fixed axle runs through the bottom of box and extends to the inside of box, the utility model discloses the effectual inside heat distribution of vacuum oven for the production of having solved current lithium cell is inhomogeneous when using, leads to the efficiency of drying to reduce to after the stoving is accomplished, can not reduce the inside temperature of oven fast, influence work efficiency's problem.

Description

Vacuum oven is used in lithium cell production

Technical Field

The utility model relates to a lithium cell production facility technical field specifically is a vacuum oven is used in lithium cell production.

Background

The lithium battery is a battery using lithium metal or lithium alloy as a negative electrode material and using a non-aqueous electrolyte solution, so that the battery is also called a lithium metal battery, and unlike other batteries, the lithium battery has the characteristics of high charging density, long service life, high unit cost and the like, and the moisture of the raw material needs to be dried by using a vacuum oven in the production process of the lithium battery so as to ensure the performance of the lithium battery.

However, there are some disadvantages in the conventional using process, such as:

the inside heat distribution of current vacuum oven for lithium cell production when using is inhomogeneous, leads to the efficiency of stoving to reduce to after the stoving is accomplished, can not reduce the inside temperature of oven fast, influence work efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vacuum oven is used in lithium cell production to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: comprises a box body; the heating rods are fixedly welded on the inner walls of the two sides of the box body; the vacuum tube is fixedly inserted at the top of one side of the box body; the bottom of one side of the box body is fixedly inserted with the nitrogen inlet pipe; the rotating mechanism comprises a fixed shaft, placing plates and a motor, the motor is fixedly mounted at the middle of the bottom of the box body through a support, an output shaft of the motor is fixedly sleeved with the fixed shaft, the top of the fixed shaft penetrates through the bottom of the box body and extends into the box body, one end of the fixed shaft extending into the box body is rotatably connected with the top of the inner wall of the box body, and a plurality of placing plates are fixedly sleeved on the surface of the fixed shaft; cooling body, cooling body includes vacuum pump, conveyer pipe, feed liquor pipe, cooler bin and drain pipe, the fixed welding of one side department placed in the middle of keeping away from the evacuation pipe of box has the cooler bin, the lateral wall of box and the top that is located the cooler bin are fixed pegs graft and are had the conveyer pipe, the outside that the cooler bin was run through and extend to the cooler bin is run through to the bottom of conveyer pipe, the conveyer pipe extends to the outside one end of cooler bin and the fixed grafting in one side bottom of box, the fixed grafting in top one side edge of cooler bin has the feed liquor pipe, the fixed grafting in bottom one side edge of cooler bin has the drain pipe.

Wherein, the inside of placing the dish is through ring channel fixed mounting filter screen.

The placing discs are uniformly distributed on the surface of the fixed shaft in a linear array at equal intervals.

Wherein, the conveying pipe is located inside the cooling box and has a spiral structure.

The surface of the cooling box is provided with an observation window, and the observation window is made of transparent toughened glass.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the box door is opened, raw materials are placed on the surface of the placing disc, then the box door is closed, the heating rod and the motor are started, the motor drives the fixing shaft to rotate, the fixing shaft drives the placing disc to rotate, the raw materials placed on the surface of the rotating disc can be heated uniformly, and therefore the baking efficiency can be improved.

2. After the baking is finished, ice water is poured into the inside of the cooling box through the liquid inlet pipe, then the vacuum pump can be started, hot gas in the box is pumped into the conveying pipe by the vacuum pump, the conveying pipe and the ice water in the cooling box perform heat exchange, the temperature of gas in the conveying pipe can be reduced, then the gas flows back to the inside of the box, continuous circulation cooling of the gas in the box can be achieved, and therefore working efficiency is improved.

Drawings

FIG. 1 is a sectional view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a schematic structural view of the tray of the present invention.

In the figure: 1-a box body; 2-vacuumizing the tube; 3-heating a rod; 4-a rotation mechanism; 41-a fixed shaft; 42-placing the tray; 43-an electric motor; 44-a filter screen; 5-nitrogen inlet pipe; 6-a cooling mechanism; 61-a vacuum pump; 62-a delivery pipe; 63-liquid inlet pipe; 64-a cooling tank; 65-liquid outlet pipe.

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.

Referring to fig. 1-3, the present invention provides a technical solution: comprises a box body 1; the heating rods 3 are fixedly welded on the inner walls of the two sides of the box body 1; the vacuum tube 2 is fixedly inserted at the top of one side of the box body 1; the nitrogen inlet pipe 5 is fixedly inserted at the bottom of one side of the box body 1; the rotating mechanism 4 comprises a fixed shaft 41, placing discs 42 and a motor 43, the motor 43 is fixedly installed at the center of the bottom of the box body 1 through a support, the fixed shaft 41 is fixedly sleeved on an output shaft of the motor 43, the top of the fixed shaft 41 penetrates through the bottom of the box body 1 and extends into the box body 1, one end, extending into the box body 1, of the fixed shaft 41 is rotatably connected with the top of the inner wall of the box body 1, and the placing discs 42 are fixedly sleeved on the surface of the fixed shaft 41; cooling body 6, cooling body 6 includes vacuum pump 61, conveyer pipe 62, feed liquor pipe 63, cooling box 64 and drain pipe 65, the fixed welding in the department of keeping away from one side of evacuation pipe 2 of box 1 has cooling box 64, the fixed grafting in top that the lateral wall of box 1 and lie in cooling box 64 has conveyer pipe 62, the bottom of conveyer pipe 62 runs through cooling box 64 and extends to the outside of cooling box 64, conveyer pipe 62 extends to the fixed grafting in one side bottom of the outside one end of cooling box 64 and box 1, the fixed grafting in top one side edge of cooling box 64 has feed liquor pipe 63, the fixed grafting in bottom one side edge of cooling box 64 has drain pipe 65.

Wherein, place the inside of dish 42 and pass through annular groove fixed mounting and have filter screen 44, avoid moisture to pile up on the surface of placing dish 42 to can carry out even heating with the bottom of raw and other materials through filter screen 44.

The placing discs 42 are uniformly distributed on the surface of the fixing shaft 41 in a linear array at equal intervals, so that the raw materials can be conveniently placed in a classified manner.

The conveying pipe 62 is located inside the cooling box 64 and has a spiral structure, so that the area of the conveying pipe 62 inside the cooling box is increased, and the heat exchange efficiency is improved.

An observation window is formed in the surface of the cooling box 64 and made of transparent toughened glass, so that a liquid level line inside the cooling box 64 can be observed conveniently, and timely supplement is facilitated.

The working principle is as follows: when in use, the box door is opened, raw materials are placed on the surface of the placing disc 42, then the box door is closed, the heating rod 3 and the motor 43 are started, the motor 43 drives the fixed shaft 41 to rotate, the fixed shaft 41 drives the placing disc 42 to rotate, the raw materials placed on the surface of the rotating disc 42 can be uniformly heated, and therefore the baking efficiency can be improved, the box body 1 is in a vacuum state by the vacuum-pumping pipe 2 during baking, the interior is in a negative pressure state, then nitrogen enters the box body 1 through the nitrogen gas inlet pipe 5, the pressure is kept for a period of time, then the vacuum-pumping baking is continued, the gas exchange is carried out at intervals, the moisture is vaporized by using the vacuum environment, then the materials are dried by pumping the nitrogen gas and taking out the moisture, after the baking is finished, ice water is poured into the cooling box 64 through the liquid inlet pipe 63, then the vacuum pump 61 can be started, make vacuum pump 61 with the inside hot gas suction of box 1 inside conveyer pipe 62 inside, conveyer pipe 62 carries out the heat transfer with the ice water of cooling box 64 inside, can reduce the temperature of the inside gas of conveyer pipe 62, then flow back to the inside of box 1 again, can make the continuous circulation cooling of the inside gas of box 1 to work efficiency has been improved.

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.

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

1. The utility model provides a vacuum oven is used in lithium cell production which characterized in that includes:

a box body (1);

the heating rods (3) are fixedly welded on the inner walls of the two sides of the box body (1);

the vacuum tube (2) is fixedly inserted at the top of one side of the box body (1);

the nitrogen inlet pipe (5) is fixedly inserted at the bottom of one side of the box body (1);

the rotating mechanism (4) comprises a fixed shaft (41), placing discs (42) and a motor (43), the motor (43) is fixedly installed at the center of the bottom of the box body (1) through a support, the fixed shaft (41) is fixedly sleeved on an output shaft of the motor (43), the top of the fixed shaft (41) penetrates through the bottom of the box body (1) and extends into the box body (1), one end, extending into the box body (1), of the fixed shaft (41) is rotatably connected with the top of the inner wall of the box body (1), and the surface of the fixed shaft (41) is fixedly sleeved with the placing discs (42);

cooling body (6), cooling body (6) include vacuum pump (61), conveyer pipe (62), feed liquor pipe (63), cooling box (64) and drain pipe (65), the fixed welding of the one side department of locating between two parties of keeping away from evacuation pipe (2) of box (1) has cooling box (64), the lateral wall of box (1) is located the fixed grafting in top of cooling box (64) and is had conveyer pipe (62), the bottom of conveyer pipe (62) runs through cooling box (64) and extends to the outside of cooling box (64), conveyer pipe (62) extend to the fixed grafting in one side bottom of the outside one end of cooling box (64) and box (1), the fixed grafting in top one side edge of cooling box (64) has feed liquor pipe (63), the fixed grafting in bottom one side edge of cooling box (64) has drain pipe (65).

2. The vacuum oven for lithium battery production as claimed in claim 1, wherein: the inside of the placing disc (42) is fixedly provided with a filter screen (44) through an annular groove.

3. The vacuum oven for lithium battery production as claimed in claim 1, wherein: the placing discs (42) are uniformly distributed on the surface of the fixed shaft (41) in a linear array at equal intervals.

4. The vacuum oven for lithium battery production as claimed in claim 1, wherein: the conveying pipe (62) is positioned in the cooling box (64) and is of a spiral structure.

5. The vacuum oven for lithium battery production as claimed in claim 1, wherein: an observation window is arranged on the surface of the cooling box (64), and the observation window is made of transparent toughened glass.