CN221172868U - Drying device and pole piece production equipment - Google Patents

Abstract

The application discloses a drying device and pole piece production equipment. The first air nozzle comprises an air outlet and an air outlet which are arranged side by side along a first direction; the first flow guiding part is arranged between the air outlet and is used for separating the air outlet from the air outlet; the second flow guiding part is connected to the air outlet, the second flow guiding part and the first flow guiding part are oppositely arranged on two sides of the air outlet along the first direction, and at least part of the second flow guiding part is obliquely arranged towards the first flow guiding part. According to the drying device, the first flow guiding part realizes orderly air return, the airflow flow field is stabilized, the second flow guiding part guides the air blown out from the air outlet to the direction of the first flow guiding part, so that the air speed is more uniform, the second flow guiding part guides the flow field to directionally flow, the stability of the air outlet flow field is improved, the uniformity of the surface coating after the belt material is dried is improved, and the consistency of the battery pole pieces is improved.

Description

Drying device and pole piece production equipment

Technical Field

The application relates to the technical field of batteries, in particular to a drying device and pole piece production equipment.

Background

With the development of new energy technology, the battery is increasingly widely applied, for example, to mobile phones, notebook computers, battery cars, electric automobiles, electric airplanes, electric ships, electric toy automobiles, electric toy ships, electric toy airplanes, electric tools and the like.

In the development of battery technology, how to improve the consistency of the pole pieces of the battery is an important research direction in the field of batteries.

Disclosure of utility model

The application provides a drying device and pole piece production equipment, which can improve the consistency of battery pole pieces.

In a first aspect, the present application provides a drying apparatus, including a drying box, a first tuyere, a first diversion portion, and a second diversion portion. The drying box is provided with a first accommodating space; the first air nozzle is arranged in the first accommodating space and comprises an air outlet and an air outlet which are arranged side by side along the first direction; the first flow guiding part is arranged between the air outlet and is used for separating the air outlet from the air outlet; the second flow guiding part is connected to the air outlet, the second flow guiding part and the first flow guiding part are oppositely arranged on two sides of the air outlet along the first direction, and at least part of the second flow guiding part inclines towards the first flow guiding part.

In the technical scheme of the embodiment of the application, the air outlet is used for drying the belt material by air, and the air outlet is used for discharging the air blown out from the outlet. The first guide part is arranged between the air outlet and the air outlet, so that the problem that wind blown out from the air outlet directly enters the air outlet without reaching the belt material is solved, orderly return air is realized, an airflow field is stabilized, the second guide part is at least partially inclined towards the first guide part, the wind blown out from the air outlet is guided by the second guide part, the second guide part is at least partially inclined towards the first guide part, the wind blown out from the air outlet is guided to the first guide part, and the wind enters the air outlet through one side of the first guide part, which is deviated from the first air nozzle, to be discharged. The air exhausted from the air outlet is guided by the second guide part to enable the air speed to be more uniform, the second guide part guides the flow field to flow directionally, and the stability of the air outlet flow field is improved, so that the uniformity of the surface coating after the belt material is dried is improved, and the consistency of the battery pole pieces is improved.

According to some embodiments of the application, the first deflector is disposed obliquely towards the second deflector. The first flow guiding part guides the wind blown out from the air outlet to the second flow guiding part, so that the wind at two opposite sides of the air outlet along the first direction can be guided by the second flow guiding part, and the stability of the air outlet flow field is improved.

According to some embodiments of the application, the length of the first flow guiding portion along the second direction is smaller than the length of the second flow guiding portion along the second direction, and the first direction is perpendicular to the second direction. Can make the gaseous entering air exit of one side that deviates from the tuyere along the second direction from first water conservancy diversion portion after the water conservancy diversion of second water conservancy diversion portion, reduce the interference of first water conservancy diversion portion to the air current, promote the stability of wind field.

According to some embodiments of the application, the second flow guiding portion has an arc-shaped cross section. The second flow guiding part of the arc-shaped structure can promote more uniform air outlet of the air outlet.

According to some embodiments of the application, the drying device comprises a plurality of first tuyeres, each first tuyere being arranged at intervals along the first direction. The area material passes through a plurality of first tuyere along first direction in proper order, and a plurality of first tuyere are dry to the area material, promote drying effect.

According to some embodiments of the present application, the drying device further includes a plurality of driving rollers, wherein the driving rollers rotate to drive the belt material to move along the first direction, and at least part of the driving rollers are located in the first accommodating space; the opening directions of the air outlet and the air outlet face the driving roller. The driving roller rotates to drive the belt material to move in the first accommodating space along the first direction, so that the belt material sequentially passes through each first tuyere to dry the belt material in a plurality of times, and the drying effect is improved.

According to some embodiments of the application, the air outlet and the air outlet are arranged in sequence along the moving direction of the belt material. The strip moves and sequentially passes through the air outlet and the air outlet, and the flowing direction of the air outlet is the same as the moving direction of the strip, so that the drying gas is applied to the strip more gently.

According to some embodiments of the application, the air outlet and the air outlet are arranged in sequence along the opposite direction of the moving direction of the belt material. The strip moves and passes through the air outlet and the air outlet in sequence, the flowing direction of the air outlet is opposite to the moving direction of the strip, and the air speed of the drying gas is relatively increased, so that the drying strength is enhanced.

According to some embodiments of the application, the drying oven further has a second accommodation space; the drying box comprises a partition plate, the partition plate is positioned between the first accommodating space and the second accommodating space, the partition plate is provided with an opening for communicating the first accommodating space and the second accommodating space, and the opening is used for enabling the belt materials to enter the second accommodating space from the first accommodating space; the second accommodation space is provided with a second tuyere. The second tuyere carries out further drying to the area material, and first accommodation space and second accommodation space separate through the baffle to improve the wind field mutual interference's of first accommodation space and second accommodation space problem.

According to some embodiments of the present application, the first air nozzle further includes a third flow guiding portion, and the third flow guiding portion is disposed at the air outlet and located at a side of the first flow guiding portion away from the air outlet along the first direction; the third flow guiding part is obliquely arranged towards the direction deviating from the first flow guiding part. The third guiding part is used for guiding wind into the air outlet, so that the stability of the wind field is enhanced, and further, the overflow of gas can be reduced, and the mutual crosstalk of dry gas between the first wind nozzles is reduced.

In a second aspect, the present application provides a pole piece production device, comprising the drying apparatus in any embodiment of the first aspect.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the accompanying drawings. In the drawings:

fig. 1 is a schematic structural diagram of a drying device according to some embodiments of the present application;

fig. 2 is a schematic structural diagram of a first tuyere according to some embodiments of the present application.

Reference numerals:

10. A pole piece;

100. A drying box; 110. a first accommodation space; 120. a second accommodation space; 130. a partition plate; 131. an opening; 140. an inlet; 150. an outlet; 200. a first tuyere; 210. an air outlet; 220. an air outlet; 230. an air outlet cavity; 240. an exhaust cavity; 300. a first flow guiding part; 400. a second flow guiding part; 500. a third flow guiding part; 600. a driving roller; 700. a second tuyere; 800. a wind box;

X, a first direction; y, second direction.

Detailed Description

Embodiments of the technical scheme of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present application, and thus are merely examples, and are not intended to limit the scope of the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

In the description of embodiments of the present application, the technical terms "first," "second," and the like are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the description of the embodiments of the present application, the term "plurality" means two or more (including two), and similarly, "plural sets" means two or more (including two), and "plural sheets" means two or more (including two).

In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to specific circumstances.

Currently, the application of power batteries is more widespread from the development of market situation. The power battery is not only applied to energy storage power supply systems such as hydraulic power, firepower, wind power and solar power stations, but also widely applied to electric vehicles such as electric bicycles, electric motorcycles, electric automobiles, and the like, and a plurality of fields such as military equipment, aerospace, and the like. With the continuous expansion of the application field of the power battery, the market demand of the power battery is also continuously expanding.

In the process of drying the coating on the surface of the pole piece of the battery, the coating on the pole piece needs to be dried by blowing, when high-wind-speed drying gas is blown onto the coating, the problem of turbulence of the airflow and the flow field is difficult to control, so that the consistency of the thickness and the weight of the coating on each position of the pole piece after the pole piece is dried is poor, and the reliability of the battery is affected.

In view of the above, the application provides a drying device, which ensures that the air flow of the drying gas is stable, the return air is orderly, and the stability of a flow field under high wind speed is ensured, so that the drying consistency of a coating is improved, the thickness and quality uniformity of the pole piece coating after drying is improved, and the reliability of a battery is further improved.

The drying device can be applied to the drying of battery pole pieces or other coated strips, and can also be applied to the drying of other parts to be dried. Referring to fig. 1 to fig. 2 together, fig. 1 is a schematic structural diagram of a drying apparatus according to some embodiments of the present application; fig. 2 is a schematic structural diagram of a first tuyere according to some embodiments of the present application.

In a first aspect, as shown in fig. 1 and 2, the present application provides a drying apparatus comprising: the drying box 100, the first tuyere 200, the first guide portion 300 and the second guide portion 400, the drying box 100 having a first receiving space 110; the first air nozzle 200 is disposed in the first accommodating space 110, and the first air nozzle 200 includes an air outlet 210 and an air outlet 220 disposed side by side along the first direction X; the first flow guiding portion 300 is disposed between the air outlet 210 and the air outlet 220 to separate the air outlet 210 from the air outlet 220; the second flow guiding portion 400 is connected to the air outlet 210, the second flow guiding portion 400 and the first flow guiding portion 300 are disposed opposite to each other along the first direction X on two sides of the air outlet 210, and at least a portion of the second flow guiding portion 400 is inclined towards the first flow guiding portion 300.

The first flow guiding portion 300 may be inclined toward the second flow guiding portion 400, or the first flow guiding portion 300 may be inclined toward a direction away from the second flow guiding portion 400, or the first flow guiding portion 300 may extend perpendicular to the first direction X. Along the direction perpendicular to the first direction X, the length of the first flow guiding portion 300 is smaller than the length of the second flow guiding portion 400, or the length of the first flow guiding portion 300 is greater than the length of the second flow guiding portion 400, and the length of the first flow guiding portion 300 is equal to the length of the second flow guiding portion 400.

The second flow guiding part 400 may be bent toward the first flow guiding part 300 to be inclined toward the first flow guiding part 300, or the second flow guiding part 400 may be an arc-shaped structure inclined toward the first flow guiding part 300.

The number of the first tuyeres 200 may be one, the number of the first tuyeres 200 may be plural, the arrangement direction of the plurality of first tuyeres 200 may be arranged in the first direction X, or each first tuyeres 200 may be arranged in other directions. The plurality of first tuyeres 200 may be arranged at intervals or may be arranged continuously.

In the solution of the embodiment of the present application, the drying device is used for drying the strip, the drying device includes a drying box 100, the drying box 100 has a first accommodating space 110, the first accommodating space 110 is used for drying the strip through a first air nozzle 200, the first air nozzle 200 includes an air outlet 210 and an air outlet 220 arranged side by side along a first direction X, the air outlet 210 is used for air-out drying the strip, and the air outlet 220 is used for discharging air blown out by the outlet 150. The first flow guiding part 300 is arranged between the air outlet 210 and the air outlet 220, so that the problem that the air blown out from the air outlet 210 directly enters the air outlet 220 without reaching the belt material is solved, the orderly return air is realized, and the airflow field is stabilized.

The second guiding portion 400 is connected to the air outlet 210, the second guiding portion 400 and the first guiding portion 300 are disposed on two sides of the air outlet 210 opposite to each other in the first direction X, and the second guiding portion 400 is at least partially inclined toward the first guiding portion 300. The wind blown out from the air outlet 210 is guided by the second guiding part 400, and the second guiding part 400 is at least partially inclined towards the direction of the first guiding part 300, so that the wind blown out from the air outlet 210 is guided to the direction of the first guiding part 300, and enters the air outlet 220 through one side of the first guiding part 300, which is away from the first air nozzle 200, and is discharged.

The wind blown out from the air outlet 210 is guided by the second guiding part 400 to make the wind speed more uniform, the second guiding part 400 guides the flow field to flow directionally, and the stability of the air outlet flow field is improved, so that the uniformity of the surface coating after the belt material is dried is improved, and the consistency of the battery pole piece 10 is improved.

Alternatively, the strip may be the battery pole piece 10.

Optionally, the first tuyere 200 includes an air outlet cavity 230 and an air exhaust cavity 240 that are separately disposed, where the air outlet cavity 230 maintains positive pressure, the air outlet 210 is communicated with the air outlet cavity 230, and air in the air outlet cavity 230 is exhausted through the air outlet 210 to enter the first accommodating space 110, and the strip is dried by blowing. The exhaust chamber 240 maintains negative pressure, the exhaust outlet 220 is communicated with the exhaust chamber 240, and the air in the air outlet chamber 230 is exhausted through the air outlet 210 and enters the first accommodating space 110, and then enters the exhaust chamber 240 through the exhaust outlet 220.

In some embodiments, as shown in fig. 2, the first flow guide 300 is inclined toward the second flow guide 400.

In these embodiments, the first guiding portion 300 is inclined towards the second guiding portion 400, so that the wind blown out from the air outlet 210 is guided towards the second guiding portion 400, the first guiding portion 300 and the second guiding portion 400 are disposed at two sides of the air outlet 210 along the first direction X, and the first guiding portion 300 guides the wind from the air outlet 210 near the first guiding portion 300 to the second guiding portion 400, so that the wind at two sides of the air outlet 210 along the first direction X can be guided by the second guiding portion 400, and the stability of the flow field of the air outlet 210 is improved. The first flow guiding part 300 and the second flow guiding part 400 play a role in guiding the air at the air outlet 210, and the difference of the air speed of the air outlet 210 after flow guiding is less than 1m/s, so that the consistency of the thickness of the surface coating after the drying of the belt material is improved.

In some embodiments, as shown in fig. 2, the length of the first flow guiding portion 300 along the second direction Y is smaller than the length of the second flow guiding portion 400 along the second direction Y, and the first direction X and the second direction Y are perpendicular.

In these embodiments, the length of the first flow guiding portion 300 along the second direction Y is smaller than the length of the second flow guiding portion 400 along the second direction Y, so that the air of the air outlet 210 can flow from the side of the first flow guiding portion 300 along the second direction Y, which is away from the air nozzle, into the air outlet 220 after being guided by the second flow guiding portion 400, thereby reducing the interference of the first flow guiding portion 300 on the air flow and improving the stability of the air field. Alternatively, the first direction X may be a horizontal direction, and the second direction Y is a vertical direction perpendicular to the first direction X.

In some embodiments, as shown in fig. 2, the second flow guiding portion 400 has an arc-shaped cross section.

In these embodiments, the cross section of the second flow guiding portion 400 parallel to the first direction X and the second direction Y is an arc structure, one end of the second flow guiding portion 400 is connected to the air outlet 210, and the second flow guiding portion 400 is inclined towards the first flow guiding portion 300 along the direction away from the air outlet 210. The tangential direction of the end of the second guiding part 400 of the arc structure, which is far away from the air outlet 210, forms an acute angle with the strip. The second guiding part 400 with the arc structure can promote more uniform air outlet of the air outlet 210. Optionally, the second flow guiding portion 400 is an arc plate.

Alternatively, as shown in fig. 2, the cross section of the first flow guiding portion 300 along the direction parallel to the first direction X and the second direction Y is in an arc structure, one end of the first flow guiding portion 300 is connected between the air outlet 210 and the air outlet 220, and along the direction away from the first air nozzle 200, the first flow guiding portion 300 is inclined towards the direction of the second flow guiding portion 400 to form an arc structure. Optionally, the first flow guiding portion 300 is an arc plate.

In some embodiments, as shown in fig. 1, the drying apparatus includes a plurality of first tuyeres 200, each of the first tuyeres 200 being spaced apart along the first direction X.

In these embodiments, the plurality of first tuyeres 200 are arranged at intervals along the first direction X, and the strip sequentially passes through the plurality of first tuyeres 200 along the first direction X, and the plurality of first tuyeres 200 dry the strip, thereby improving the drying effect.

In some embodiments, as shown in fig. 1, the drying apparatus further includes a plurality of driving rollers 600, where the driving rollers 600 rotate to drive the belt material to move along the first direction X, and at least part of the driving rollers 600 are located in the first accommodating space 110; the opening directions of the air outlet 210 and the air outlet 220 face the driving roller 600.

In these embodiments, the belt extends in the first direction X and overlaps each driving roller 600, at least a portion of the driving rollers 600 are located in the first accommodating space 110, and the driving rollers 600 rotate to drive the belt to move in the first direction X in the first accommodating space 110, so that the belt sequentially passes through each first air nozzle 200, and the opening directions of the air outlet 210 and the air outlet 220 of the first air nozzle 200 face the driving rollers 600, that is, the air outlet 210 and the air outlet 220 face the belt direction, so as to blow and dry the belt.

Optionally, at least part of the driving roller 600 is located outside the first accommodating space 110.

Alternatively, the first tuyere 200 is spaced from the pole piece 10 on the driving roller 600 in the second direction Y by 5mm to 30mm.

Optionally, the wind speed of the wind outlet 210 is greater than 25m/s.

In some embodiments, as shown in fig. 1, the air outlet 210 and the air outlet 220 are disposed sequentially along the moving direction of the tape.

In these embodiments, the air outlet 210 and the air outlet 220 are disposed in sequence along the moving direction of the tape, and the tape moves through the air outlet 210 and the air outlet 220 in sequence, and the flowing direction of the air outlet 210 after the air outlet is out is the same as the moving direction of the tape, so that the dry air is applied to the tape more smoothly.

In other embodiments, the air outlet 210 and the air outlet 220 are disposed in sequence along the direction opposite to the moving direction of the belt.

In these embodiments, the air outlet 210 and the air outlet 220 are sequentially arranged along the opposite direction of the moving direction of the belt material, the belt material moves sequentially through the air outlet 220 and the air outlet 210, the flowing direction of the air outlet 210 is opposite to the moving direction of the belt material, and the air speed of the drying gas is relatively increased, which is beneficial to enhancing the drying strength.

In some embodiments, as shown in fig. 1, the drying oven 100 further has a second accommodation space 120; the drying oven 100 includes a partition 130 between the first accommodating space 110 and the second accommodating space 120, the partition 130 having an opening 131 communicating the first accommodating space 110 and the second accommodating space 120, the opening 131 being for allowing the tape to enter the second accommodating space 120 from the first accommodating space 110; the second receiving space 120 is provided with a second tuyere 700.

In these embodiments, the first and second accommodation spaces 110 and 120 are partitioned by the partition 130, thereby improving the problem of the wind fields of the first and second accommodation spaces 110 and 120 interfering with each other. A second tuyere 700 is provided in the second receiving space 120, the second tuyere 700 being used for further blow-drying the web. The partition 130 has an opening 131 communicating the first accommodating space 110 and the second accommodating space 120, so that the tape can enter the second accommodating space 120 from the opening 131 from the first accommodating space 110.

Alternatively, as shown in fig. 1, a plurality of second air nozzles 700 are disposed in the second accommodating space 120, and each second air nozzle 700 is disposed at intervals along the first direction X. The strip sequentially passes through the second air nozzles 700 along the first direction X, and the second air nozzles 700 dry the strip, so that the drying effect is improved.

Optionally, as shown in fig. 1, the air outlet direction of the second tuyere 700 faces the strip, and further performs air drying on the strip.

Optionally, as shown in fig. 1, at least a part of the driving roller 600 is disposed in the second accommodating space 120, and the driving roller 600 rotates to drive the strip material to move in the second accommodating space 120 along the first direction X, so that the strip material sequentially passes through the second air nozzles 700, and the strip material is dried for multiple times through the second air nozzles 700, so as to improve the drying effect of the strip material.

In some embodiments, as shown in fig. 2, the first tuyere 200 further includes a third guiding portion 500, and the third guiding portion 500 is disposed at the air outlet 220 and located at a side of the first guiding portion 300 away from the air outlet 210 along the first direction X.

In these embodiments, the first diversion portion 300 and the third diversion portion 500 are respectively located at two sides of the air outlet 210 along the first direction X, and the third diversion portion 500 is located at one side of the first diversion portion 300 away from the air outlet 210, and in the process of blowing the air outlet 210 to the air outlet 220, the third diversion portion 500 is used for diversion of the air into the air outlet 220, so as to enhance the stability of the wind field, further reduce the air overflow and reduce the cross-talk of the dry air between the first air nozzles 200.

In some embodiments, as shown in fig. 2, the third flow guide 500 is disposed obliquely in a direction away from the first flow guide 300.

In these embodiments, the third flow guiding portion 500 is inclined toward a direction away from the first flow guiding portion 300, that is, the third flow guiding pack is inclined toward a direction away from the air outlet 220, thereby increasing the flow guiding area of the third flow guiding portion 500. Optionally, the first flow guiding portion 300 and the third flow guiding portion 500 are inclined towards a direction away from the exhaust outlet 220, so as to form an "splayed" structure, thereby enhancing the flow guiding range of the first flow guiding portion 300 and the third flow guiding portion 500 and improving the stability of the gas flow field. Optionally, the third flow guiding portion 500 has an arc-shaped cross section parallel to the first direction X and the second direction Y.

In some embodiments, as shown in fig. 1, the drying oven 100 has an inlet 140 and an outlet 150, the inlet 140 is communicated with the first accommodating space 110, the strip enters the first accommodating space 110 from the inlet 140 for preliminary drying, enters the second accommodating space 120 through the opening 131 for further drying after the preliminary drying is completed, the outlet 150 is communicated with the second accommodating space 120, and the strip is separated from the second accommodating space 120 from the outlet 150 after the drying in the second accommodating space 120.

In these embodiments, the ribbons enter the first receiving space 110 from the inlet 140, and after being dried in the second receiving space 120, the ribbons are separated from the second receiving space 120 from the outlet 150, and the first receiving space 110 and the second receiving space 120 are relatively closed, so that stability of the wind field is improved, and uniformity of the pole pieces 10 is improved.

In some embodiments, as shown in fig. 1, the drying apparatus further comprises a bellows 800, the bellows 800 communicating with the first and second tuyeres 200, 700 for providing air intake and exhaust passages for the first and second tuyeres 200, 700.

In a second aspect, the present application provides a pole piece production apparatus, including a drying device in any embodiment of the second aspect.

The drying device and the pole piece production equipment provided in the embodiments of the present application have all the beneficial effects of the drying device in any one of the embodiments of the first aspect, and specific descriptions of the drying device in the foregoing embodiments may be referred to specifically, and the embodiments are not repeated here.

In some embodiments, the drying apparatus includes a drying box 100, a first air nozzle 200, a second air nozzle 700, a first air guiding portion 300, and a second air guiding portion 400, the drying box 100 has a first accommodating space 110 and a second accommodating space 120 arranged in parallel along a first direction X, the first air nozzle 200 includes an air outlet 210 and an air outlet 220 arranged in parallel along the first direction X, the first air guiding portion 300 is arranged between the air outlet 210 and the air outlet 220 for separating the air outlet 210 from the air outlet 220, the second air guiding portion 400 is connected to the air outlet 210, the second air guiding portion 400 and the first air guiding portion 300 are arranged on two sides of the air outlet 210 opposite to each other along the first direction X, the first air guiding portion 300 is inclined towards the second air guiding portion 400, and at least part of the second air guiding portion 400 is inclined towards the first air guiding portion 300. The third guiding portion 500 is disposed at the air outlet 220 and located at a side of the first guiding portion 300 away from the air outlet 210 along the first direction X, and the third guiding portion 500 is disposed obliquely toward a direction away from the first guiding portion 300. The first, second and third flow guiding parts 300, 400 and 500 have an arc-shaped cross section parallel to the first and second directions X and Y. A plurality of first tuyeres 200 are provided in the first accommodating space 110 at intervals in the first direction X, and a plurality of second tuyeres 700 are provided in the second accommodating space 120 at intervals in the first direction X. The drying device further comprises a plurality of driving rollers 600 arranged at intervals, the driving rollers 600 rotate to drive the belt material to move along the first direction X, at least part of the driving rollers 600 are located in the first accommodating space 110 and the second accommodating space 120, and the opening directions of the air outlet 210 and the air outlet 220 face the driving rollers 600. The drying oven 100 includes a partition 130 between the first accommodating space 110 and the second accommodating space 120, the partition 130 having an opening 131 communicating the first accommodating space 110 and the second accommodating space 120, the opening 131 being for allowing the tape to enter the second accommodating space 120 from the first accommodating space 110. The drying apparatus further comprises a bellows 800, the bellows 800 being in communication with the first 200 and second 700 tuyeres for providing air intake and exhaust passages for the first 200 and second 700 tuyeres.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application 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 or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application, and are intended to be included within the scope of the appended claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. A drying apparatus, comprising:

a drying box having a first accommodation space;

The first air nozzle is arranged in the first accommodating space and comprises an air outlet and an air outlet which are arranged side by side along a first direction;

The first flow guiding part is arranged between the air outlet and is used for separating the air outlet from the air outlet;

The second flow guiding part is connected to the air outlet, the second flow guiding part and the first flow guiding part are oppositely arranged on two sides of the air outlet along the first direction, and at least part of the second flow guiding part is obliquely arranged towards the first flow guiding part.

2. The drying apparatus according to claim 1, wherein the first guide portion is inclined toward the second guide portion.

3. The drying apparatus of claim 1, wherein a length of the first deflector in the second direction is less than a length of the second deflector in the second direction, the first direction and the second direction being perpendicular.

4. The drying apparatus of claim 1, wherein the second flow guide has an arcuate cross-section.

5. The drying apparatus according to claim 1, wherein the drying apparatus includes a plurality of the first tuyeres, each of the first tuyeres being disposed at intervals along the first direction.

6. The drying apparatus of claim 1, further comprising a plurality of drive rollers, wherein the drive rollers rotate to move the web in the first direction, at least a portion of the drive rollers being located in the first receiving space;

The opening directions of the air outlet and the air outlet face the driving roller.

7. The drying apparatus according to claim 6, wherein the air outlet and the air outlet are provided in order along a moving direction of the belt; or the air outlet and the air outlet are sequentially arranged along the opposite direction of the moving direction of the belt material.

8. The drying apparatus of claim 1, wherein the drying box further has a second accommodation space;

The drying box comprises a partition plate, wherein the partition plate is positioned between the first accommodating space and the second accommodating space, and is provided with an opening communicated with the first accommodating space and the second accommodating space, and the opening is used for enabling a belt material to enter the second accommodating space from the first accommodating space;

The second accommodation space is provided with a second tuyere.

9. The drying apparatus of claim 1, wherein the first tuyere further comprises a third guide portion disposed at the air outlet and located at a side of the first guide portion facing away from the air outlet in the first direction; the third diversion part is obliquely arranged towards the direction deviating from the first diversion part.

10. A pole piece production apparatus, characterized by comprising the drying device according to any one of claims 1 to 9.