Copper foil baking oven

Abstract

The utility model discloses a copper foil baking oven which comprises a baking oven body, a flip heat dissipation assembly and a ventilation assembly, the baking oven body comprises a baking oven body and a plurality of cover plates, the top of the baking oven body is provided with an opening, and the cover plates cover the opening; the flip heat dissipation assembly comprises a telescopic mechanism and an extension piece, the extension piece is connected with the end of the cover plate and extends to the outer side of the box body, the telescopic mechanism is installed on the outer side of the box body, and the movable end of the telescopic mechanism abuts against the bottom of the extension piece and is used for jacking the extension piece. According to the utility model, the extension piece arranged on the cover plate is jacked through the telescopic mechanism on the flip heat dissipation assembly, so that the cover plate is turned up, the opening is opened to form a larger opening for communicating the oven body with the outside, and air circulation from inside to outside is formed under the cooperation of the ventilation assembly, so that the heat dissipation effect of the oven is improved. And the cooling speed of the annealed copper foil roll is increased, manual approaching for operation is not needed, and the safety is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to copper foil baking technical field, concretely relates to a copper foil baking oven. BACKGROUND

[0002] The post-processing of lithium battery copper foil includes surface oxidation-resistant treatment using chemical materials, annealing treatment, etc. The annealing treatment in the copper foil preparation process is a key step, aiming to eliminate the stress inside the copper foil, improve its microstructure and performance. The general process of copper foil annealing treatment: put the copper foil into the annealing equipment, such as the baking oven. For example, the Chinese patent 202223043994.4 discloses a novel lithium battery copper foil baking oven device, a copper foil roll support frame is fixedly installed in the main box body, and a plurality of lithium battery copper foil rolls are placed on the upper end of the copper foil roll support frame. The temperature in the furnace is raised to the annealing temperature at a certain heating rate (such as 10°C / min or 20°C / min), and after reaching the annealing temperature, it is kept for a certain time (such as 12 hours, 24 hours, etc.), so that recrystallization, grain growth, etc. occur inside the copper foil, thereby eliminating stress and improving performance. Finally, after the annealing is completed, the copper foil needs to be cooled to room temperature by an appropriate cooling method.

[0003] For the above prior art, since the copper foil baking is in a closed environment, manual opening operation is still needed at present, the cover body of the baking oven is opened manually, and the heat dissipation process of the open closed environment not only has safety hazards, but also has the problem of long heat dissipation waiting time. UTILITY MODEL CONTENT

[0004] The utility model aims to overcome the above technical deficiencies and proposes a copper foil baking oven to solve the technical problem of slow cooling speed and safety hazards in the manual cover opening cooling method in the prior art.

[0005] To achieve the above technical purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a copper foil baking oven, which comprises:

[0007] The baking oven comprises an oven box body and a cover plate, the top of the oven box body has an opening, and a plurality of cover plates are covered on the opening;

[0008] The flip heat dissipation assembly comprises a telescopic mechanism and an extension piece, the extension piece is connected with the end part of the cover plate and extends to the outside of the box body, the telescopic mechanism is installed on the outside of the box body, and the movable end thereof abuts against the bottom of the extension piece, for jacking up the extension piece and driving the cover plate to flip up; and

[0009] The ventilation assembly is arranged on the baking oven and is used for ventilating air to the inside of the oven box body.

[0010] In some embodiments, the ventilation assembly comprises a ventilation pipe and a gas pump, the gas pump is arranged outside the oven box, and the gas outlet end of the gas pump is connected with the ventilation pipe through a control valve group, and the end of the ventilation pipe away from the gas pump penetrates through the oven box and extends into the oven box.

[0011] In some embodiments, a plurality of branch pipes are connected with the ventilation pipe, and the ends of the branch pipes away from the ventilation pipe are arranged on the inner bottom wall of the oven box.

[0012] In some embodiments, a vacuum pumping assembly is further included, the vacuum pumping assembly comprises a vacuum pump, and the vacuum pump is connected with the ventilation pipe through a control valve group, and is used for pumping the inside of the oven box.

[0013] In some embodiments, a gas supply assembly is further included, the gas supply assembly comprises an inert gas cylinder, and the inert gas cylinder is connected with the ventilation pipe through a control valve group, and is used for introducing inert gas into the oven box.

[0014] In some embodiments, the gas supply assembly further comprises a clamp, the clamp is arranged outside the oven box, and the inert gas cylinder is clamped inside the clamp.

[0015] In some embodiments, the inert gas cylinder stores nitrogen or argon.

[0016] In some embodiments, the telescopic mechanism comprises a plurality of cylinder push rods and a cross rod, the cross rod is arranged between the top ends of the cylinder push rods and is located directly below the plurality of extension pieces.

[0017] In some embodiments, the inside of the opening is provided with an annular rim, the cover plate is inserted into the inside of the opening and abuts against the top of the annular rim, the side top of the opening away from the extension piece is provided with a cylindrical protrusion, and the bottom of the cover plate is provided with a circular groove matched with the cylindrical protrusion.

[0018] In some embodiments, the top of the cover plate is provided with a handle.

[0019] Compared with the prior art, the copper foil oven provided by the utility model, through the telescopic mechanism on the flip heat dissipation assembly, the extension piece arranged on the cover plate is jacked up to form a flip action of the cover plate, so that the opening is opened to form a larger opening of the oven box communicated with the outside, under the cooperation of the ventilation assembly, the air circulation from the inside to the outside is formed, the cooling speed after the copper foil roll is annealed is improved, and manual operation close to the copper foil oven is not needed, and the safety is higher. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the structure three-dimensional drawing of the copper foil oven provided by the utility model embodiment.

[0021] Figure 2 is the oblique angle cover body explosion schematic view of the copper foil baking oven provided by the embodiment of the present application;

[0022] Figure 3 is the left view partial sectional view of the copper foil baking oven provided by the embodiment of the present application;

[0023] Figure 4 is the left view partial sectional view of the top-up cover body of the copper foil baking oven provided by the embodiment of the present application.

[0024] Explanation of reference signs:

[0025] 1, baking oven; 11, oven body; 12, cover plate; 1201, circular groove; 1202, handle; 101, opening; 102, annular edge; 103, cylindrical protrusion;

[0026] 2, flip heat dissipation assembly; 21, telescopic mechanism; 211, air cylinder push rod; 212, cross bar; 22, extension piece;

[0027] 3, ventilation assembly; 31, ventilation pipe; 3101, branch pipe; 32, air pump;

[0028] 4, vacuum pumping assembly; 41, vacuum pump;

[0029] 5, gas supply assembly; 51, inert gas cylinder; 52, clamp;

[0030] 6, control valve group; 61, valve; 62, check valve. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application.

[0032] In order to solve the technical problem of slow cooling speed and safety hidden danger of manual cover opening cooling, the present application provides a copper foil baking oven which can realize automatic cover opening and ventilation to accelerate cooling, safe and efficient cooling.

[0033] It should be noted that the copper foil baking oven described in the present application is used for but not limited to copper foil annealing treatment, in order to facilitate the description, in the present application, only the copper foil baking oven applied to copper foil annealing treatment is taken as an example for description, and the principle of the copper foil baking oven applied to other types of equipment is substantially the same as that applied to copper foil annealing treatment, which is not described here.

[0034] Please refer to Figures 1-4The utility model provides a kind of copper foil oven, copper foil oven includes oven 1, flip heat dissipation component 2 and ventilation component 3, oven 1 includes oven box body 11 and cover plate 12, the top of the oven box body 11 has opening 101, several cover plate 12 is covered on the opening 101, forms closed space, oven box body 11 is made of the shell of frame and heat preservation board composition, cover plate 12 is also made of heat preservation board, in addition, heating assembly and the support of fixed copper foil roll are further provided in oven box body 11, oven 1 is also provided with electrical control cabinet, for controlling electrical component, electrical control cabinet is also provided with warning light, red light is bright in roasting, green light is bright in roasting end, wherein, heating assembly can adopt air heating equipment or electric heating equipment, reaches the effect that copper foil roll is heated to annealing temperature just;Flip heat dissipation component 2 includes telescopic mechanism 21 and extension piece 22, the extension piece 22 is arranged at the end of the cover plate 12, and extends to the outside of the box, the telescopic mechanism 21 is arranged at the outside of the box, and the movable end thereof is in abutment with the bottom of the extension piece 22, for jacking the extension piece 22, drives the cover plate 12 to be turned up, to form automatic jacking cover plate 12, form the opening of oven box body 11, provide the passage of heat dissipation flow-through;Ventilation component 3 is arranged on the oven 1, for the inside of the oven box body 11 is inhaled air, under internal ventilation, air flow is from the oven box body 11 towards the opening, forms driving internal heat to escape, to further improve cooling efficiency.

[0035] In one embodiment, please refer to Figure 1 And Figure 3 , the ventilation component 3 includes ventilation pipe 31 and air pump 32, the air pump 32 is arranged at the outside of the oven box body 11, and the outlet end thereof is connected with the ventilation pipe 31 through control valve group 6, one end of the ventilation pipe 31 away from the air pump 32 penetrates the oven box body 11 and extends to the inside thereof, air is blown by the air pump 32, and is introduced into the oven box body 11 through the ventilation pipe 31, to form air cooling.

[0036] Further, in order to improve the effect of air cooling, please refer to Figure 2 , a plurality of branch pipes 3101 are connected to the ventilation pipe 31, and the ends of the branch pipes 3101 away from the ventilation pipe 31 are uniformly arranged on the inner bottom wall of the oven box body 11, the branch pipes 3101 are arranged in lines in the oven box body 11, and the ports thereof are exposed from the inner bottom wall of the oven box body 11, and the plurality of branch pipes 3101 are arranged in an array on the inner bottom wall of the oven box body 11, to form air flow from bottom to top, and have uniform distribution effect in the oven box body 11, to efficiently air cool the copper foil roll therein and cool it efficiently.

[0037] In one embodiment, please refer to Figure 1 AndFigure 3 In order to reduce the oxidation reaction in the annealing process, the copper foil oven further comprises a vacuum extraction assembly 4, which comprises a vacuum pump 41 installed outside the oven body 11, and the vacuum pump 41 is connected with the air pipe 31 through the control valve group 6, for extracting the inside of the oven body 11 to a certain degree, such as about 0.5 pa, so as to reduce the oxidation reaction in the annealing process and improve the quality of the entire annealing process.

[0038] In one embodiment, please refer to Figure 1 and Figure 3 In order to further prevent the oxidation of the copper foil, the copper foil oven further comprises a gas supply assembly 5, which comprises an inert gas cylinder 51 connected with the air pipe 31 through the control valve group 6, for introducing inert gas into the oven body 11 to further prevent the oxidation of the copper foil.

[0039] It can be understood that the control valve group 6 comprises a valve 61 and a one-way valve 62 connected in series, the valve 61 controls the opening and closing of the channel, and the one-way valve 62 prevents backflow; correspondingly, the air supply assembly 3, the vacuum extraction assembly 4 and the gas supply assembly 5 are each provided with a control valve group 6 for separately controlling the opening and closing of the channel and preventing backflow.

[0040] Further, the gas supply assembly 5 further comprises a clamp 52, which is arranged outside the oven body 11, and the inert gas cylinder 51 is clamped inside the clamp 52, so as to facilitate the installation and replacement of the inert gas cylinder 51.

[0041] Further, the gas cylinder stores nitrogen or argon.

[0042] In one embodiment, please refer to Figure 1 and Figure 3 The telescopic mechanism 21 comprises a plurality of cylinder push rods 211 and a crossbar 212 arranged between the top ends of the cylinder push rods 211 and located directly below the plurality of extension pieces 22, and the crossbar 212 is lifted by the telescopic cylinder push rod 211, so as to simultaneously lift the plurality of cover plates 12.

[0043] In one embodiment, please refer to Figure 3 and Figure 4The inner side of the opening 101 is provided with an annular edge 102, the cover plate 12 is inserted in the inner side of the opening 101 and abuts against the top of the annular edge 102, wherein the bottom of the cover plate 12 is provided with a sealing layer and is pressed and sealed on the annular edge 102; in order to improve the stability of the turning and covering, the opening 101 is provided with a cylindrical bump 103 at the top of the side away from the extension piece 22, the bottom of the cover plate 12 is provided with a circular groove 1201 matched with the cylindrical bump 103, the rotation of the cover plate 12 when being turned up is guided by the cooperation of the cylindrical bump 103 and the circular groove 1201, so that the rotation is smoother, and when being covered down, the stability of returning to the initial position is improved and the position deviation is not prone to occur.

[0044] Further, the top of the cover plate 12 is provided with a handle 1202, so as to facilitate the manual lifting of the cover plate 12.

[0045] In order to better understand the present application, the following will be combined with Figures 1 to 4 The technical scheme of the present application will be described in detail: if it is needed to lift the copper foil roll into the oven box body 11, the handle 1202 is gripped to lift the cover plate 12, then the copper foil roll is hoisted and loaded onto the support in the oven box body 11, and then the cover plate 12 is covered, so as to be used; in the annealing step, the inside of the oven box body 11 is heated to the annealing temperature by the heating assembly, if it is needed to reduce oxidation, the vacuum extraction assembly 4 and the gas supply assembly 5 are opened, the inside is extracted to 0.5pa and inert gas is introduced; after annealing, the cross bar 212 is pushed upward by the cylinder push rod 211, the cross bar 212 acts on the bottom of the extension piece 22 and is lifted upward, so as to drive the cover plate 12 to be lifted upward and form an open mouth, and at the same time, the ventilation assembly 3 is started to ventilate and radiate from inside to outside and accelerate cooling.

[0046] The specific implementation mode of the present application described above does not constitute a limitation on the protection scope of the present application. Any various other corresponding changes and modifications made according to the technical concept of the present application should be included in the protection scope of the present application.

Claims

1. A copper foil baking oven characterized by comprising: The utility model relates to a baking oven, including: a baking oven body and a cover plate, the top of the baking oven body has an opening, and a plurality of cover plates cover the opening; a flip heat dissipation assembly, including a telescopic mechanism and an extension piece, the extension piece is connected with the end of the cover plate and extends to the outside of the oven body, the telescopic mechanism is installed outside the oven body, and the movable end thereof is in abutment with the bottom of the extension piece for jacking up the extension piece and driving the cover plate to flip up; and a ventilation assembly arranged on the baking oven for introducing air into the inside of the baking oven body. The ventilation assembly includes a ventilation pipe and a gas pump, the gas pump is arranged outside the baking oven body, the gas outlet end thereof is connected with the ventilation pipe through a control valve group, and the end of the ventilation pipe away from the gas pump penetrates the baking oven body and extends to the inside thereof. A plurality of branch pipes are connected with the ventilation pipe, and the ends of the branch pipes away from the ventilation pipe are evenly arranged on the inner bottom wall of the baking oven body. The utility model also includes a vacuum pumping assembly, the vacuum pumping assembly includes a vacuum pump connected with the ventilation pipe through a control valve group for pumping the inside of the baking oven body.

2. The copper foil baking oven according to claim 1, wherein The utility model also includes a gas supply assembly, the gas supply assembly includes an inert gas cylinder connected with the ventilation pipe through a control valve group for introducing inert gas into the baking oven body.

3. The copper foil baking oven according to claim 2, characterized by The gas supply assembly also includes a clamp, the clamp is arranged outside the baking oven body, and the inert gas cylinder is clamped inside the clamp.

4. The copper foil baking oven according to claim 3, characterized by The inert gas cylinder stores nitrogen or argon.

5. The copper foil baking oven according to claim 4, wherein The telescopic mechanism includes a plurality of cylinder push rods and a crossbar, the crossbar is arranged between the top ends of the cylinder push rods and directly below the extension pieces.

6. The copper foil baking oven according to claim 5, wherein The inside of the opening is provided with an annular flange, the cover plate is inserted into the inside of the opening and abuts against the top of the annular flange, the top of the side of the opening away from the extension piece is provided with a cylindrical protrusion, and the bottom of the cover plate is provided with a circular groove matched with the cylindrical protrusion.

7. The copper foil baking oven according to claim 6, characterized by The top of the cover plate is provided with a handle.

8. The copper foil baking oven according to claim 7, characterized by ​ 9. The copper foil oven according to claim 8, wherein ​ 10. The copper foil oven according to claim 9, wherein ​

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