Vertical multi-roller pole piece drying oven

Abstract

The utility model relates to the technical field of battery production, in particular to a vertical multi-roller pole piece drying oven which comprises an oven body, a drying assembly is movably installed in the oven body, and baffles are fixedly installed at the front end and the rear end of the oven body. The box body comprises a shell, and sliding grooves are formed in the upper end and the lower end of the two sides of the shell at equal intervals. The drying assembly comprises a first guide roller and a second guide roller, and the first guide roller and the second guide roller are slidably installed on the inner side of the box body through sliding grooves correspondingly. Heating elements are fixedly installed at the upper ends and the lower ends of the first guide roller and the second guide roller correspondingly, the pole pieces are allowed to be more tightly attached to the heating elements in the drying process through the multi-roller design, and the contact area of the pole pieces and a heat source is increased; the pole piece drying device has the advantages that the pole piece drying density is increased, and the quantity of pole pieces capable of being dried at a time is large when the pole piece drying device is used, and the problems that the pole piece drying density is low and the quantity of the pole pieces capable of being dried at a time is small when the pole piece drying device is used are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery production technical field, concretely is a vertical type multi -roller pole piece oven. BACKGROUND

[0002] In the process of manufacturing lithium ion batteries, a key step is to uniformly coat the battery slurry on the positive and negative pole pieces of the battery. After coating, in order to ensure that the slurry can be firmly attached to the pole piece, and to remove excess solvent, the coated pole piece needs to be dried. This step is crucial to the performance and safety of the battery, as it helps to form a uniform and stable electrode structure. The drying process is usually carried out in an environment with good temperature and humidity control to ensure that the solvent in the slurry can be effectively evaporated, while avoiding thermal damage to the pole piece material. After extensive search, a battery pole piece drying equipment is disclosed in CN218329151U, which preheats and dries the pole piece baseband. The heat for preheating comes from the bottom drying section and cooling section, so that the drying temperature gradually increases, effectively avoiding the cracking, orange peel and hard skin phenomenon of the pole piece surface coating, improving the thermal efficiency of drying, reducing energy waste and reducing production cost.

[0003] However, in the prior art, the drying density of the pole piece is low, and the amount of pole piece that can enter the drying section at a time is limited, resulting in low drying efficiency. Therefore, a vertical multi-roller pole piece oven is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a vertical multi-roller pole piece oven, which has the advantages of increasing the drying density of the pole piece and allowing a large amount of pole pieces to be dried at a time, solving the problem of low drying density of the pole piece and small amount of pole pieces that can be dried at a time during drying.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a vertical multi-roller pole piece oven, comprising a box body, a drying assembly movably installed in the box body, and a baffle fixedly installed at the front and rear ends of the box body.

[0006] The box body comprises a shell, and a sliding groove is equally formed at the upper and lower ends of the two sides of the shell.

[0007] The drying assembly comprises a first guide roller and a second guide roller, which are respectively slidably installed in the inner side of the box body through the sliding grooves.

[0008] The first guide roller and the second guide roller are respectively fixedly installed with heating elements at the upper end and the lower end.

[0009] Preferably, a reserved slot is arranged in the middle of the front surface of each of the two baffles, the two reserved slots are matched in size, and the side opposite to the first guide roller and the second guide roller is on the same axis. In the design, the two baffles on the oven are provided with reserved slots in the middle of the front surface, and the sizes of the reserved slots are matched with each other to ensure that the pole piece can pass smoothly. In addition, the side opposite to the first guide roller and the second guide roller is on the same axis, which makes the pole piece pass smoothly when passing through the box, thereby improving the efficiency of the drying process.

[0010] Preferably, a cover is fixedly installed on the top of the shell, the cover is made of high-temperature-resistant glass material, a steam discharge groove is arranged in the middle of the bottom of the shell, and a grating plate is embedded and installed at the bottom of the steam discharge groove. In the design, the top of the shell of the oven is designed with a cover made of high-temperature-resistant glass material, which not only provides good heat insulation effect, but also allows the operator to observe the inside of the oven. In addition, the bottom of the shell is provided with a steam discharge groove, and a grating plate is embedded and installed at the bottom of the steam discharge groove. This structure can effectively discharge the moisture and solvent vapor generated during the drying process, maintain the stability of the internal environment of the oven, and facilitate cleaning and maintenance.

[0011] Preferably, a protective cover is fixedly installed on the outside of the chute, and the chutes at the upper and lower ends of the two sides of the shell are staggered. In the design, the protective cover is fixedly installed on the outside of the chute of the oven, which not only protects the chute from damage, but also prevents external impurities from entering the chute, ensuring the smooth sliding of the first guide roller and the second guide roller.

[0012] Preferably, telescopic cylinders are fixedly installed at the two ends of the first guide roller and the second guide roller, the telescopic cylinders are fixedly connected with the outer wall of the shell, and plug-in slots are arranged in the middle of the upper end and the lower end of the first guide roller and the second guide roller. In the design, telescopic cylinders are fixedly installed at the two ends of the first guide roller and the second guide roller, and the telescopic cylinders are fixedly connected with the outer wall of the shell, so that the guide roller can be adjusted in length as needed, thereby fully expanding the pole piece in the box and increasing the number of pole pieces that can be dried.

[0013] Preferably, the heating element is made of nanometer carbon plate material, the heating element installed on the first guide roller is electrically connected with a controller at the top through a connecting line, and the heating element installed on the second guide roller is electrically connected with a controller at the bottom through a connecting line. In the design, the heating element is made of nanometer carbon plate material, which has excellent heat conduction performance and high-temperature resistance, can quickly and uniformly transfer heat, and improves the drying efficiency. The heating element is electrically connected with the controller through the connecting line, so that the operator can accurately control the drying temperature as needed, ensure that the pole piece achieves the ideal drying effect in the drying process, and avoid overheating damage to the pole piece material. The precise temperature control function of the controller is crucial for improving the quality and performance of the battery pole piece.

[0014] Compared with the prior art, the utility model have the advantages that:

[0015] The drying assembly in the utility model includes first guide rollers and second guide rollers, the two guide rollers can slide in the inside of the box through the sliding grooves, thereby unfolding the pole piece, the multi-roller design allows the pole piece to be more closely attached to the heating element during the drying process, increases the contact area of the pole piece and the heat source, thereby improving the drying density;

[0016] The first guide rollers and the second guide rollers are slidably installed through the sliding grooves, the design allows adjusting the area of the pole piece for single drying, and controls the time of the pole piece in the oven, so that the pole piece can maintain appropriate tension during the drying process, which helps to improve the drying efficiency and uniformity;

[0017] The first guide rollers and the second guide rollers are slidably installed through the sliding grooves, the design allows adjusting the area of the pole piece for single drying, and controls the time of the pole piece in the oven, so that the pole piece can maintain appropriate tension during the drying process, which helps to improve the drying efficiency and uniformity; BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the front view structure schematic drawing of the utility model;

[0019] Figure 2 It is the box structure schematic drawing of the utility model;

[0020] Figure 3 It is the drying assembly structure schematic drawing of the utility model;

[0021] Figure 4 It is the heating element installation structure schematic drawing of the utility model.

[0022] In the drawing: 1, box; 11, shell; 12, cover; 13, steam exhaust groove; 14, sliding groove; 101, grating plate; 102, protective cover; 2, baffle; 21, reserved groove; 3, drying assembly; 31, first guide roller; 32, second guide roller; 33, telescopic air cylinder; 301, plug-in groove; 302, heating element. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0024] Embodiment one

[0025] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the present application provides an embodiment: a vertical multi-roll pole piece oven, comprising a box body 1, a drying assembly 3 is movably installed in the box body 1, and baffles 2 are fixedly installed at the front and rear ends of the box body 1.

[0026] The box body 1 comprises a shell 11, and grooves 14 are equidistantly formed at the upper and lower ends of the two sides of the shell 11.

[0027] The drying assembly 3 comprises first guide rollers 31 and second guide rollers 32, and the first guide rollers 31 and the second guide rollers 32 are slidably installed in the inner side of the box body 1 through the grooves 14.

[0028] The first guide rollers 31 and the second guide rollers 32 are fixedly installed with heating elements 302 at the upper end and the lower end, respectively.

[0029] Specifically, the drying assembly 3 comprises the first guide rollers 31 and the second guide rollers 32, and the two guide rollers can slide in the inner side of the box body 1 through the grooves 14, so as to unfold the pole piece. The multi-roll design allows the pole piece to be more closely attached to the heating element 302 during the drying process, increases the contact area of the pole piece and the heat source, and thus improves the drying density.

[0030] The first guide rollers 31 and the second guide rollers 32 are slidably installed through the grooves 14. This design allows the area of the pole piece to be dried at one time to be adjusted, and the time of the pole piece in the oven to be controlled, so that the pole piece can maintain appropriate tension during the drying process, which helps to improve the drying efficiency and uniformity.

[0031] The heating element 302 is fixedly installed on the first guide roller 31 and the second guide roller 32, respectively, which ensures that the pole piece can be uniformly heated on both sides when passing through the oven, thereby improving the drying efficiency and allowing more pole pieces to be processed in a single drying process. In addition, the heating element 302 is made of nano carbon plate material, which has excellent heat conduction performance and can quickly heat and uniformly transfer heat, thereby speeding up the drying speed of the pole piece and allowing more pole pieces to be processed in a unit of time, achieving the effect of increasing the drying density of the pole piece and allowing a larger amount of pole pieces to be dried in a single use.

[0032] Example two

[0033] In order to improve the smoothness of the pole piece passing through during the drying operation, and facilitate observation and cleaning of the inside of the oven, as shown in Figure 1 and Figure 2 , the two baffles 2 in this embodiment are provided with a reserved slot 21 in the middle of the front surface, and the two reserved slots 21 are matched in size and located on the same axis opposite the first guide roller 31 and the second guide roller 32. In the design, the two baffles 2 of the oven are provided with a reserved slot 21 in the middle of the front surface, and the sizes of these reserved slots 21 are matched with each other to ensure that the pole piece can pass through smoothly. In addition, the reserved slot 21 is located on the same axis opposite the first guide roller 31 and the second guide roller 32, which allows the pole piece to pass through smoothly when passing through the box body 1, thereby improving the efficiency of the drying process.

[0034] Further, the shell 11 is fixedly installed with a cover 12 at the top, the cover 12 is designed with a high-temperature-resistant glass material, and the shell 11 is provided with a steam exhaust slot 13 in the middle of the bottom, and the steam exhaust slot 13 is embedded with a grating plate 101 at the bottom. In the design, the shell 11 of the oven is designed with a cover 12 at the top, which is made of high-temperature-resistant glass material, which can provide good heat insulation effect and allow the operator to observe the inside of the oven. In addition, the shell 11 is provided with a steam exhaust slot 13 at the bottom, and the steam exhaust slot 13 is embedded with a grating plate 101 at the bottom, which can effectively exhaust the moisture and solvent vapor generated during the drying process, maintain the stability of the internal environment of the oven, and also facilitate cleaning and maintenance.

[0035] Example three

[0036] In order to facilitate the adjustment of the position of the guide roller in the box body, and to realize the unfolding of the pole piece in the box body, as shown in Figure 2 and Figure 3As shown, the outer side of the chute 14 is fixedly installed with a protective cover 102, and the upper and lower ends of the chute 14 on both sides of the shell 11 are staggered. In the design, the outer side of the oven chute 14 is fixedly installed with a protective cover 102, which not only protects the chute 14 from damage, but also prevents external impurities from entering the chute 14, ensuring the smooth sliding of the first guide roller 31 and the second guide roller 32.

[0037] Further, the first guide roller 31 and the second guide roller 32 are respectively fixedly installed with telescopic cylinders 33, and the telescopic cylinders 33 are fixedly connected with the outer wall of the shell 11. The first guide roller 31 and the second guide roller 32 are respectively provided with plug-in grooves 301 in the middle of the upper end and the lower end. In the design, the first guide roller 31 and the second guide roller 32 are respectively fixedly installed with telescopic cylinders 33, and the telescopic cylinders 33 are fixedly connected with the outer wall of the shell 11, so that the guide roller can be adjusted in length as needed, thereby fully expanding the pole piece in the box 1 and increasing the number of free inspection that can be dried.

[0038] Further, the heating element 302 is designed with nanometer carbon plate material, and the top of the heating element 302 installed on the first guide roller 31 is electrically connected with a controller through a connecting line, and the bottom of the heating element 302 installed on the second guide roller 32 is electrically connected with a controller through a connecting line. In the design, the heating element 302 is made of nanometer carbon plate material, which has excellent heat conductivity and high temperature resistance, can quickly and uniformly transfer heat, and improve the drying efficiency. The heating element 302 is electrically connected with the controller through the connecting line, so that the operator can accurately control the drying temperature according to the needs, ensure that the pole piece reaches the ideal drying effect in the drying process, and avoid overheating damage to the pole piece material. The precise temperature control function of the controller is crucial to improve the quality and performance of the battery pole piece.

[0039] The utility model uses, will be dried pole piece is placed in the entrance of oven, prepares to enter the drying process, telescopic pneumatic cylinder 33 and shell 11 outer wall fixed connection, can through telescopic action to push first guide roller 31 and second guide roller 32, adjust, ensure that first guide roller 31 and second guide roller 32 do not move, the distance of opposite side satisfies pole piece to pass through, thereby make pole piece can pass through from the front of box 1 and discharge from the back of box 1, pole piece is inserted through the reserved slot 21 and box 1, and passes through from the other end, and the pole piece one end after passing through is fixed, at this time, first guide roller 31 and second guide roller 32 are pushed by telescopic pneumatic cylinder 33, make pole piece fully unfold in box 1. This can increase the drying area of pole piece, improve drying efficiency, need to pay attention to before pole piece enters box 1, start heating element 302, preheat to appropriate drying temperature. Heating element 302 adopts nanometer carbon plate material, can adjust temperature through controller, pole piece is heated to its surface by heating element 302, evaporates the solvent on pole piece, completes drying process, the grid plate 101 of the steam exhaust groove bottom of box 1 bottom is helpful to the discharge of humidity, when pole piece completely passes through drying area, namely completes drying process, pole piece can be taken out from the other end of oven.

[0040] It is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A vertical multi-roller pole piece oven, comprising a box body (1), a drying assembly (3) movably installed in the box body (1), and a baffle (2) fixedly installed at both front and rear ends of the box body (1), characterized in that: the box body (1) comprises a shell (11), and a sliding groove (14) is equidistantly formed at each of upper and lower ends of both sides of the shell (11); the drying assembly (3) comprises a first guide roller (31) and a second guide roller (32), and the first guide roller (31) and the second guide roller (32) are slidably installed in the inside of the box body (1) through the sliding grooves (14), respectively; the first guide roller (31) and the second guide roller (32) are fixedly installed with a heating element (302) at the upper end and the lower end, respectively.

2. The vertical multi-roll pole piece oven of claim 1, wherein, A reserved groove (21) is formed in the front middle of each of the two baffles (2), the two reserved grooves (21) are matched in size, and the opposite sides of the first guide roller (31) and the second guide roller (32) are on the same axis.

3. The vertical multi-roll pole piece oven of claim 1, wherein, The shell (11) is fixedly installed with a cover (12) at the top, the cover (12) is designed of high-temperature-resistant glass material, a steam discharge groove (13) is formed in the middle of the bottom of the shell (11), and a grating plate (101) is embeddedly installed at the bottom of the steam discharge groove (13).

4. The vertical multi-roll pole piece oven of claim 1, wherein, A protective cover (102) is fixedly installed outside the sliding groove (14), and the sliding grooves (14) at both upper and lower ends of both sides of the shell (11) are staggered.

5. The vertical multi-roll pole piece oven of claim 1, wherein, Telescopic air cylinders (33) are fixedly installed at both ends of the first guide roller (31) and the second guide roller (32), respectively, the telescopic air cylinders (33) are fixedly connected with the outer wall of the shell (11), and plug-in grooves (301) are formed in the middle of the upper end and the lower end of the first guide roller (31) and the second guide roller (32), respectively.

6. A vertical multi-roll pole piece oven according to claim 1, wherein The heating element (302) is designed of nanometer carbon plate material, the heating element (302) installed on the first guide roller (31) is electrically connected with a controller through a connecting line at the top, and the heating element (302) installed on the second guide roller (32) is electrically connected with a controller through a connecting line at the bottom.

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