CN220991640U

CN220991640U - Wind box structure for coating oven

Info

Publication number: CN220991640U
Application number: CN202322868821.4U
Authority: CN
Inventors: 刘兴润; 徐小明; 白科; 孙玉龙; 黄亚晖; 闫静; 吴子平; 刘先斌; 刘亭; 凌梓豪; 王海峰
Original assignee: Jiangxi University of Science and Technology; Jiangxi ANC New Energy Technology Co Ltd
Current assignee: Jiangxi University of Science and Technology; Jiangxi ANC New Energy Technology Co Ltd
Priority date: 2023-10-25
Filing date: 2023-10-25
Publication date: 2024-05-24
Anticipated expiration: 2033-10-25

Abstract

The utility model relates to the technical field of lithium battery production, in particular to a wind box structure for a coating oven. The novel wind box comprises a wind box body, a containing cavity is formed in the wind box body, a plugboard with holes is installed in the containing cavity, through grooves are formed in two ends of the wind box body, and two groups of through grooves are communicated with the containing cavity. According to the utility model, through the arrangement of the plugboard with the holes, the pressure relief opening on the wind box body has an adjustable aperture ratio function by adjusting the position of the plugboard, and the wind speed, the wind pressure and the local temperature of the surface of the pole piece are changed, so that the strip-shaped defects and the spot-shaped defects in the coating process are solved; according to the utility model, through the arrangement of the plugboards with holes, the pressure relief openings on the wind box body have the function of separately adjusting the opening ratios of the inner side and the outer side by respectively adjusting the first plugboard with holes and the second plugboard with holes, so that the problems of inconsistent drying degree and poor uniformity of the inner side and the outer side of the pole piece are solved.

Description

Wind box structure for coating oven

Technical Field

The utility model belongs to the technical field of lithium battery production, and particularly relates to a wind box structure for a coating oven.

Background

The specific energy of the lithium ion battery is high, and particularly the polymer lithium ion battery can realize the thinning of the rechargeable battery. Because the lithium ion battery has high volumetric specific energy and mass specific energy, can be charged and has no pollution, has three characteristics of current battery industry development, has rapid development in markets such as telecom, information, passenger cars, energy storage and the like, and particularly has the largest requirement in electric automobiles and household storage.

Coating is one of the key steps in the lithium battery production process, and the quality of the coating effect basically determines the quality of the battery. The oven of the coating process mainly plays a role in drying the pole pieces, and the wind box is a key part of the oven. And the dry hot air is blown out from the wind box wind nozzle after passing through the ship body, reaches the surface of the wet pole piece to take away the solvent in the pole piece, and thus the pole piece is dried. After the conventional oven tuyere is used for many years, the air flow speed and uniformity change, so that the air flow is uneven, and the banding and spot-like defects are easy to cause.

Disclosure of utility model

In order to solve the problems, the utility model provides a wind box structure for a coating oven. The novel wind box comprises a wind box body, wherein a containing cavity is formed in the wind box body, a plugboard with holes is installed in the containing cavity, through grooves are formed in two ends of the wind box body, two groups of through grooves are communicated with the containing cavity, and a shielding assembly is connected to the wind box body in a sliding manner;

The first perforated plugboard and the second perforated plugboard are arranged symmetrically with the central line of the wind box body as the center;

The first foraminiferous picture peg includes the picture peg, set up two sets of oval spouts and multiunit ventilation hole on the picture peg, multiunit the ventilation hole is located between two sets of oval spouts, two sets of oval spout is located the one end that the picture peg kept away from wind box body central line, multiunit the ventilation hole is equidistant array setting.

Further, the length of the inserting plate is smaller than half of the length of the containing cavity, and an adjusting plate is arranged at one end, far away from the center line of the wind box body, of the inserting plate.

Further, one end of the adjusting plate, which is far away from the plugboard, penetrates through the through groove and extends to the outside of the wind box body, and the adjusting plate is connected in the through groove in a sliding mode.

Furthermore, two groups of jet slots are formed in one side of the wind box body, the two groups of jet slots are communicated with the containing cavity, the two groups of jet slots are symmetrically arranged by taking the central line of the wind box body as the center, and the two groups of jet slots are positioned on two sides of the plugboard.

Further, four groups of fixing screw holes are formed in one side of the wind box body, and the four groups of fixing screw holes are communicated with the wind box body.

Further, four groups of fixing screw holes are respectively located at the edges of four corners of the wind box body, and four groups of fixing screw holes are located between two groups of jet flow grooves and are fixedly installed on the elliptical sliding groove through screws.

Further, the multiunit pressure release mouth has been seted up to one side of wind box body, multiunit the pressure release mouth all is linked together with the appearance chamber, multiunit the pressure release mouth is located between four sets of fixed screw holes, multiunit the pressure release mouth is equidistant array setting, just the diameter of pressure release mouth is the same with the diameter of ventilation hole, just pressure release mouth and ventilation hole cooperation are used.

Further, shielding subassembly includes the slider, the draw-in groove has all been seted up to the other both sides of wind box body, two sets of equal sliding connection has the fixture block in the draw-in groove, install respectively on two sets of fixture blocks at the both ends of slider, the slider laminating is on the wind box body, just fixture block and draw-in groove are T type structure.

The beneficial effects of the utility model are as follows:

1. According to the utility model, through the arrangement of the plugboard with the holes, the pressure relief opening on the wind box body has an adjustable aperture ratio function by adjusting the position of the plugboard, and the wind speed, the wind pressure and the local temperature of the surface of the pole piece are changed, so that the strip-shaped defects and the spot-shaped defects in the coating process are solved;

2. According to the utility model, through the arrangement of the plugboards with holes, the pressure relief openings on the wind box body have the function of separately adjusting the opening ratios of the inner side and the outer side by respectively adjusting the first plugboard with holes and the second plugboard with holes, so that the problems of inconsistent drying degree and poor uniformity of the inner side and the outer side of the pole piece are solved.

3. According to the utility model, through the arrangement of the sliding blocks, the sliding blocks are arranged on the wind box body, so that the sliding blocks partially seal the pressure relief openings on the wind box body, the spraying quantity and the spraying range of the pressure relief openings are adjusted, and meanwhile, the quantity of the sliding blocks can be increased or reduced according to the service condition of the wind box body, and the spraying range of the pressure relief openings is finely adjusted.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 shows a schematic diagram of a structure according to an embodiment of the present utility model;

FIG. 2 shows a schematic diagram of a wind box structure according to an embodiment of the utility model;

FIG. 3 shows a schematic diagram of the internal structure of a wind box according to an embodiment of the utility model;

fig. 4 shows a schematic diagram of an end structure of a wind box according to an embodiment of the utility model.

In the figure: 110. a wind box body; 120. a jet slot; 130. a pressure relief port; 140. a fixed screw hole; 150. a first apertured insert plate; 151. an adjusting plate; 152. inserting plate; 153. a vent hole; 154. an elliptical chute; 160. a second apertured insert plate; 170. a through groove; 180. a cavity; 190. a slide block; 191. a clamping block; 192. a clamping groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: a wind box structure for a coating oven. The wind box comprises a wind box body 110, wherein a containing cavity 180 is formed in the wind box body 110, a plugboard with holes is installed in the containing cavity 180, through grooves 170 are formed in two ends of the wind box body 110, two groups of through grooves 170 are communicated with the containing cavity 180, and a shielding assembly is connected to the wind box body (110) in a sliding manner;

The shutter assembly is used to adjust the spray range and number of pressure relief vent 130.

The perforated insert plate comprises a first perforated insert plate 150 and a second perforated insert plate 160, the first perforated insert plate 150 and the second perforated insert plate 160 have the same structure, and the first perforated insert plate 150 and the second perforated insert plate 160 are arranged symmetrically with the central line of the wind box body 110 as the center;

The first perforated plugboard 150 includes a plugboard 152, two sets of elliptical sliding grooves 154 and multiple sets of ventilation holes 153 are formed in the plugboard 152, multiple sets of ventilation holes 153 are located between the two sets of elliptical sliding grooves 154, the two sets of elliptical sliding grooves 154 are located at one end of the plugboard 152 far away from the center line of the wind box body 110, and the multiple sets of ventilation holes 153 are arranged in an equidistant array.

By adjusting the position of the insert plate 152, the positions of the vent holes 153 and the pressure relief openings 130 on the insert plate 152 can be overlapped or partially overlapped, so that the opening ratio of the wind box body 110 is changed. The first and second perforated insertion plates 150 and 160 are divided into inner and outer insertion plates, so that the inner and outer sides of the air nozzle can be separately fixed, the overlapping degree of the perforated insertion plates on the inner and outer sides of the air nozzle and the pressure relief opening 130 is the same or different, and the purpose of different opening ratios on the inner and outer sides of the air nozzle can be achieved, so as to solve the problem of different drying effects on the inner and outer sides of the air box 110.

The length of the insertion plate 152 is less than half of the length of the cavity 180, and an adjusting plate 151 is installed at one end of the insertion plate 152 away from the center line of the wind box 110.

The end of the adjusting plate 151 away from the insertion plate 152 passes through the through groove 170 and extends to the outside of the wind box 110, and the adjusting plate 151 is slidably connected in the through groove 170.

By pulling the adjusting plate 151, the adjusting plate 151 moves in the through groove 170, and the insert plate 152 moves in the cavity 180, so that the overlapping degree of the vent hole 153 and the pressure relief opening 130 is adjusted, and the air outlet size of the air box 110 is adjusted.

Two sets of jet flow grooves 120 are formed in one side of the wind box 110, two sets of jet flow grooves 120 are communicated with the cavity 180, the two sets of jet flow grooves 120 are symmetrically arranged with the central line of the wind box 110 as the center, and the two sets of jet flow grooves 120 are located on two sides of the plugboard 152.

Four groups of fixing screw holes 140 are formed in one side of the wind box 110, and the four groups of fixing screw holes 140 are all communicated with the wind box 110.

The four sets of fixing screw holes 140 are respectively located at four corners of the wind box 110, and the four sets of fixing screw holes 140 are located between the two sets of jet slots 120, and the fixing screw holes 140 are fixedly mounted on the elliptical sliding slots 154 through screws.

The wind box 110 fixes the plugboard 152 through the fixing screw, the fixing screw hole 140 and the elliptical chute 154, so that the adjusted plugboard 152 is not easy to deviate, and the superposition rate of the pressure relief opening 130 is not easy to change.

A plurality of groups of pressure relief openings 130 are formed in one side of the wind box body 110, the plurality of groups of pressure relief openings 130 are communicated with the containing cavity 180, the plurality of groups of pressure relief openings 130 are located between four groups of fixed screw holes 140, the plurality of groups of pressure relief openings 130 are arranged in an equidistant array, the diameters of the pressure relief openings 130 are identical to the diameters of the vent holes 153, and the pressure relief openings 130 are matched with the vent holes 153.

The shielding assembly comprises a sliding block 190, clamping grooves 192 are formed in the other two sides of the wind box body 110, clamping blocks 191 are connected in the clamping grooves 192 in a sliding mode, two ends of the sliding block 190 are respectively arranged on the two groups of clamping blocks 191, the sliding block 190 is attached to the wind box body 110, and the clamping blocks 191 and the clamping grooves 192 are of a T-shaped structure.

The sliding block 190 is installed on the wind box body 110 through the clamping block 191 and the clamping groove 192, so that the sliding block 190 seals the pressure relief opening 130 on the wind box body 110, and the injection quantity and the injection range of the pressure relief opening 130 are adjusted. Meanwhile, according to the use condition of the wind box 110, the number of the sliding blocks 190 can be increased or decreased, and the injection range of the pressure relief opening 130 can be finely adjusted.

When in use, the dry hot air flows to the length direction of the oven through the upper and lower hulls after passing through the upper and lower air inlet valves, and then enters the air box body 110. The dry hot air firstly enters the cavity 180 of the wind box body 110, and then is sprayed out from the jet flow groove 120 and the pressure relief opening 130. By changing the position of the plugboard 152 in the accommodating cavity 180, the overlapping angle of the vent 153 and the pressure relief opening 130 on the plugboard 152 is adjusted, and the air outlet size of the pressure relief opening 130 is changed, so that the air speed, the air pressure and the local temperature of the dry hot air blown to the surface of the wet pole piece are changed. Can solve the banding and spot-like disadvantages in the coating process. And the baking oven can adapt to coating operations with different viscosity slurry systems, different surface density designs and different coating running speeds through the adjustment.

The inner insert 152 of the cavity 180 can be adjusted separately on the inner and outer sides, and the opening ratio of the pressure relief openings 130 on the inner and outer sides can be changed according to actual conditions. The device is mainly used for solving the defects of inconsistent drying degree and poor uniformity of the inner side and the outer side of the pole piece, changing the wind speed, wind pressure and local temperature of the inner side and the outer side of the wind box body 110, and avoiding the defects of curling, arched edge, cracking, unburnt drying and overdrying cracking of the pole piece caused by uneven airflow and uneven heating in the drying process.

Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a wind box structure for coating oven which characterized in that: the novel wind box comprises a wind box body (110), wherein a containing cavity (180) is formed in the wind box body (110), a plugboard with holes is arranged in the containing cavity (180), through grooves (170) are formed in two ends of the wind box body (110), two groups of through grooves (170) are communicated with the containing cavity (180), and a shielding assembly is connected to the wind box body (110) in a sliding mode;

The perforated plugboards comprise a first perforated plugboard (150) and a second perforated plugboard (160), the first perforated plugboard (150) and the second perforated plugboard (160) have the same structure, and the first perforated plugboard (150) and the second perforated plugboard (160) are symmetrically arranged with the central line of the wind box body (110) as the center;

The first perforated plugboard (150) comprises a plugboard (152), two groups of elliptical sliding grooves (154) and a plurality of groups of ventilation holes (153) are formed in the plugboard (152), the plurality of groups of ventilation holes (153) are located between the two groups of elliptical sliding grooves (154), the two groups of elliptical sliding grooves (154) are located at one end, far away from the center line of the wind box body (110), of the plugboard (152), and the plurality of groups of ventilation holes (153) are arranged in an equidistant array.

2. A fan box structure for a coating oven according to claim 1, characterized in that: the length of the inserting plate (152) is smaller than half of the length of the containing cavity (180), and an adjusting plate (151) is arranged at one end, far away from the center line of the wind box body (110), of the inserting plate (152).

3. A fan box structure for a coating oven according to claim 2, characterized in that: one end of the adjusting plate (151) far away from the plugboard (152) penetrates through the through groove (170) and extends to the outside of the wind box body (110), and the adjusting plate (151) is connected in the through groove (170) in a sliding mode.

4. A fan box structure for a coating oven according to claim 3, characterized in that: two groups of jet slots (120) are formed in one side of the wind box body (110), the two groups of jet slots (120) are communicated with the containing cavity (180), the two groups of jet slots (120) are symmetrically arranged by taking the central line of the wind box body (110) as the center, and the two groups of jet slots (120) are positioned on two sides of the plugboard (152).

5. The structure of claim 4, wherein: four groups of fixing screw holes (140) are formed in one side of the wind box body (110), and the four groups of fixing screw holes (140) are communicated with the wind box body (110).

6. The structure of claim 5, wherein: four groups of fixing screw holes (140) are respectively positioned at the four corners of the wind box body (110), the four groups of fixing screw holes (140) are positioned between the two groups of jet flow grooves (120), and the fixing screw holes (140) are fixedly arranged on the elliptical sliding grooves (154) through screws.

7. The structure of claim 6, wherein: the utility model discloses a wind box body, including wind box body (110), multiunit pressure release mouth (130) have been seted up to one side of wind box body (110), multiunit pressure release mouth (130) all are linked together with appearance chamber (180), multiunit pressure release mouth (130) are located between four sets of fixed screw holes (140), multiunit pressure release mouth (130) are equidistant array setting, just the diameter of pressure release mouth (130) is the same with the diameter of ventilation hole (153), just pressure release mouth (130) and ventilation hole (153) cooperation are used.

8. The fan box structure for a coating oven according to claim 7, wherein: the shielding assembly comprises a sliding block (190), clamping grooves (192) are formed in the other two sides of the wind box body (110), clamping blocks (191) are connected in the clamping grooves (192) in a sliding mode, two ends of the sliding block (190) are respectively arranged on the two groups of clamping blocks (191), the sliding block (190) is attached to the wind box body (110), and the clamping blocks (191) and the clamping grooves (192) are of T-shaped structures.