Pole piece baking device

Abstract

The utility model discloses a pole piece baking device, and belongs to the technical field of battery production. The pole piece baking device comprises a box body, a heating plate, a material box and a pressurizing assembly, the heating plate is arranged in the box body and is connected with the inner wall surface of the box body; the material box is arranged on the heating plate, and a pole piece is placed in the material box; the pressurizing assembly is arranged in the box body and located above the material box. Wherein the pressurizing assembly can reciprocate along the Z axis to abut against the pole piece in the material box, so that the flatness of the pole piece is guaranteed. According to the pole piece baking device, the flatness of the pole pieces can be well ensured, so that the flatness of a battery cell formed by laminating the pole pieces subsequently is good, and the yield of the whole battery can be further improved; the pole piece baking device integrates two functions of heating and drying and pressing and flattening into the same box body, so that the whole pole piece baking device is simple and compact in structure; and pressing and flattening work can be carried out while heating and drying are carried out, so that the production efficiency of the pole piece and the whole battery can be improved.

Description

Technical Field

[0001] This utility model relates to the field of battery production technology, and in particular to an electrode baking device. Background Technology

[0002] In the production process of lithium batteries, after the electrode sheets are coated, they need to be cut and then placed in an electrode baking device for heating and drying. However, the electrode sheets are prone to wavy edges or wrinkles after cutting, and the high temperature during the heating and drying process in the electrode baking device can also cause wavy edges or wrinkles, making it impossible to guarantee the flatness of the electrode sheets. As a result, the wavy edges or wrinkles of the electrode sheets after drying are directly flowed into the next process, making the entire stacked cell formed by stacking the electrode sheets wavy and reducing the yield of lithium batteries.

[0003] To address the above problems, there is an urgent need for an electrode baking device. Utility Model Content

[0004] The purpose of this invention is to provide an electrode baking device that can better ensure the flatness of the electrode, so that the flatness of the entire stacked cell formed by the subsequent electrode stacking is better, thereby improving the overall yield of the battery.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] Electrode baking apparatus, including:

[0007] Box;

[0008] A heating plate is disposed inside the box and connected to the inner wall of the box.

[0009] A material box is disposed on the heating plate, and an electrode sheet is placed inside the material box;

[0010] A pressurization assembly is disposed inside the housing and located above the material box;

[0011] The pressurizing component can reciprocate along the Z-axis to press against the electrode sheet inside the material box.

[0012] As an optional solution, multiple heating plates are provided, which are arranged at intervals along the Z-axis, and each heating plate is provided with multiple material boxes arranged in an array, with a pressure component corresponding to the top of each material box.

[0013] As an optional solution, the electrode baking apparatus further includes:

[0014] An operation panel is located on the outer side of the housing, and the heating plate and the pressurizing component are electrically connected to the operation panel.

[0015] As an optional solution, the pressurization component includes:

[0016] A pressure-pressurizing component is disposed inside the box and located above the material box;

[0017] A pressing member is connected to the output end of the pressurizing member, and the pressurizing member can drive the pressing member to reciprocate along the Z-axis to press against the electrode.

[0018] As an optional solution, the pressing member includes:

[0019] A connecting rod, one end of which is used to connect to the output end of the pressure member;

[0020] A pressure plate is provided, and the other end of the connecting rod is connected to the pressure plate. The pressure plate can reciprocate along the Z-axis to press against the electrode.

[0021] As an optional solution, the pressing component further includes:

[0022] An elastic element extends along the Z-axis, with its two opposite ends connected to one end of the connecting rod and the output end of the pressure element, respectively.

[0023] As an optional solution, the material box includes:

[0024] A first base plate, on which the electrode is placed;

[0025] The side plates are connected to the four edges of the first base plate to form the material box with a square structure. The four side plates are used to limit the electrode sheet. The area of ​​the first base plate is S1, the area of ​​the electrode sheet is S2, and the area of ​​the pressing plate is S3, and S1>S3>S2.

[0026] As an optional solution, the material box includes:

[0027] The second base plate, on which the electrode is placed;

[0028] The limiting post extends along the Z-axis, and the four corners of the second base plate are respectively connected to the limiting post. The four limiting posts are used to limit the electrode. The area of ​​the second base plate is S4, the area of ​​the electrode is S2, and the area of ​​the pressing plate is S3, and S4>S2=S3.

[0029] As an option, the box has an opening, and a door is hinged to the opening.

[0030] As an optional solution, the heating plate is slidably connected to the inner wall of the housing along the X-axis, so that the heating plate can be pushed out or pushed into the housing through the opening.

[0031] The beneficial effects of this utility model are as follows:

[0032] By installing a heating plate on the inner wall of the chamber, placing a material box on the heating plate, and placing electrode sheets inside the material box, the electrode sheets inside the material box can be directly heated and dried by the heating plate. Simultaneously, a pressure assembly is installed inside the chamber and above the material box. The reciprocating motion of the pressure assembly along the Z-axis presses against the electrode sheets inside the material box, thereby ensuring the flatness of the electrode sheets reaches a preset flatness. This flattens out the wavy edges or wrinkles formed after the electrode sheets are cut, and also flattens out the wavy edges or wrinkles caused by the high temperature during the heating and drying process. The pleats ensure the flatness of the electrode sheets, allowing them to flow directly into the next process after heating and drying. This results in better flatness of the entire stacked cell formed by stacking the electrode sheets, thereby improving the overall battery yield. Furthermore, the electrode baking device integrates heating and drying as well as pressing and flattening functions into the same housing, making the structure of the entire electrode baking device simple and compact. At the same time, since pressing and flattening can be performed simultaneously with heating and drying, the production efficiency of the electrode sheets and the entire battery can be improved. Attached Figure Description

[0033] Figure 1 This is a front view of the electrode baking device (with the door open) provided in this utility model;

[0034] Figure 2 This is a schematic diagram of the assembly structure between the pressurizing component, electrode, and material box (including the first base plate and side plate) provided in this utility model. Figure 1 ;

[0035] Figure 3 This is a schematic diagram of the assembly structure between the pressurizing component, electrode, and material box (including the second base plate and the limiting post) provided in this utility model. Figure 2 .

[0036] Explanation of reference numerals in the attached figures:

[0037] 1-Box body; 11-Opening;

[0038] 2-Heating plate;

[0039] 3-Material box; 311-First base plate; 312-Side plate; 321-Second base plate; 322-Limiting post;

[0040] 4-Electrode;

[0041] 5-Pressure assembly; 51-Pressure component; 52-Pressure support component; 521-Connecting rod; 522-Pressure plate; 523-Elastic component;

[0042] 6-Control panel; 7-Box door. Detailed Implementation

[0043] All features disclosed in this specification, or all steps in all disclosed methods or processes, may be combined in any way, except for mutually exclusive features and / or steps.

[0044] Any feature disclosed in this specification, unless specifically stated otherwise, may be replaced by other equivalent or similar features. That is, unless specifically stated otherwise, each feature is merely one example of a series of equivalent or similar features. Throughout this specification, the same reference numerals indicate the same elements.

[0045] To make the technical problem solved by this utility model, the technical solution adopted, and the technical effect achieved clearer, the technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0046] Currently, lithium battery electrodes are prone to wavy edges or wrinkles after cutting. Furthermore, during the heating and drying process in the electrode baking equipment, the high temperature can also cause wavy edges or wrinkles, making it impossible to guarantee the flatness of the electrodes. As a result, the wavy or wrinkled electrodes after drying flow directly into the next process, causing the entire stacked cell formed by stacking the electrodes to be wavy, thus reducing the yield of lithium batteries.

[0047] Therefore, this embodiment proposes an electrode baking device. This device heats and dries the electrode while simultaneously pressing and flattening it to ensure a preset flatness. This ensures the flatness of the entire stacked cell formed by stacking the electrodes, thereby improving the battery yield. Furthermore, this electrode baking device integrates heating and drying with pressing and flattening into a single structure, resulting in a simple and compact design. Simultaneously, the ability to perform pressing and flattening simultaneously improves the production efficiency of both the electrode and the entire battery. The battery involved in this embodiment can specifically be a lithium battery.

[0048] It is worth noting that the main improvement in this embodiment lies in the pressing and flattening of the electrode sheet to ensure its flatness. Here, the working principle of the electrode sheet, other structures included in the battery, and the working principle of the battery will not be described in detail. Please refer to the structure and working principle of existing batteries.

[0049] Specifically, such as Figures 1 to 3As shown, the electrode baking device includes a housing 1, a heating plate 2, a material box 3, and a pressurizing component 5. The heating plate 2 is located inside the housing 1, meaning it is connected to the inner wall of the housing 1. The material box 3 is positioned on the heating plate 2, and electrode sheets 4 are horizontally placed inside the material box 3. The heating plate 2 heats the electrode sheets 4 to dry them at high temperatures. The pressurizing component 5 is located inside the housing 1 and above the material box 3. The pressurizing component 5 reciprocates along the Z-axis to press against the electrode sheets 4, thereby flattening them to a preset flatness. The specific value of the preset flatness is not limited here, as long as the flatness of the pressed electrode sheets 4 meets the requirements of battery production.

[0050] Compared with the prior art, the electrode baking device in this embodiment adds a pressure component 5 inside the housing 1 and above the material box 3. By making the pressure component 5 reciprocate along the Z-axis to press the electrode 4, the flatness of the electrode 4 is made to a preset flatness. On the one hand, it can flatten the wavy edges or wrinkles formed after the electrode 4 is cut. On the other hand, it can flatten the wavy edges or wrinkles formed by the electrode 4 due to the high temperature during the heating and drying process, so as to better ensure the flatness of the electrode 4. It ensures that the electrode 4 with the preset flatness after heating and drying can directly flow into the next process, so that the flatness of the entire stacked cell formed by the electrode 4 is better, thereby improving the overall yield of the battery.

[0051] Furthermore, by placing both the heating plate 2 and the pressurizing component 5 inside the housing 1, the two functions of heating and drying and pressing and flattening can be integrated into the same housing 1. There is no need to set up an additional pressurizing structure outside the housing 1 to press the electrode sheet 4, making the structure of the entire electrode baking device simple and compact, maximizing its functions and reducing the production cost of the battery. Moreover, while heating and drying the electrode sheet 4, the pressurizing component 5 can press the electrode sheet 4 simultaneously, eliminating the need to wait until drying is complete before pressing the electrode sheet 4 separately, which greatly saves time and improves the production efficiency of the electrode sheet and the entire battery.

[0052] It is worth noting that, such as Figure 2 and Figure 3 As shown, by placing the pressure component 5 directly above the material box 3, the pressure component 5 can be directly facing the pressing electrode 4, avoiding the problem of the electrode 4 being tilted or shifted due to the pressure component 5 being eccentrically pressing the electrode 4, thereby ensuring the stability and reliability of the pressing effect of the pressure component 5 on the electrode 4.

[0053] Furthermore, such as Figure 1As shown, multiple heating plates 2 are provided, that is, multiple heating plates 2 are connected to the inner wall of the housing 1. The heating plates 2 are arranged at intervals along the Z-axis, and multiple material boxes 3 arranged in an array can be placed on each heating plate 2. A pressure component 5 is provided directly above each material box 3. This allows the electrode sheets 4 in multiple material boxes 3 to be pressed one by one by the multiple pressure components 5, thereby improving the efficiency of heating and pressing the electrode sheets 4, and thus improving the production efficiency of the battery. Here, the specific number of heating plates 2 and the number of material boxes 3 placed on each heating plate 2 are not specifically limited, and need to be determined according to the actual production needs of the battery and the specific layout inside the housing 1.

[0054] Furthermore, each heating plate 2 is recessed with multiple arrayed limiting grooves, each containing a material box 3. This ensures the stability of the material boxes 3 on the heating plate 2, preventing them from shaking or moving during operation. This, in turn, ensures the accuracy and stability of the pressure component 5's pressure on the electrode 4 within the material box 3. It also facilitates the quick removal of the material box 3 from the limiting groove, making installation and removal on the heating plate 2 simple and convenient. The specific structural type of the heating plate 2 is not limited, as long as it can heat and dry the electrode 4 within the material box 3. For example, the heating plate 2 can be an electric heating plate, and its actual heating temperature range must meet the drying requirements of the electrode 4. In other words, the heating temperature of the electrode 4 can be adjusted by controlling the heating power of the electric heating plate.

[0055] Specifically, such as Figure 1 As shown, the electrode baking device also includes an operation panel 6, which is located on the outer side of the housing 1. The pressurizing component 5 and the heating plate 2 are electrically connected to the operation panel 6, so that the operation of the pressurizing component 5 and the heating plate 2 can be controlled by the operation buttons on the operation panel 6. This allows for adjustment and control of the specific pressurizing force applied by the pressurizing component 5 to the electrode 4 and the specific heating power of the heating plate 2. The operation panel 6 in this embodiment is a common operation panel structure in the prior art. Here, the specific structure and control principle of the operation panel 6 will not be described in detail.

[0056] Furthermore, such as Figure 2 and Figure 3As shown, the pressurizing assembly 5 includes a pressurizing component 51 and a pressing component 52. The pressurizing component 51 is disposed inside the housing 1 and above the material box 3; that is, some pressurizing components 51 of the pressurizing assembly 5 are connected to the inner top wall of the housing 1, and some pressurizing components 51 are connected to the bottom end face of each heating plate 2. The pressing component 52 is connected to the output end of the pressurizing component 51, and the pressurizing component 51 drives the pressing component 52 to reciprocate along the Z-axis to press against the electrode 4, thereby achieving pressure on the electrode 4. Specifically, the pressurizing component 51 can be a vertical cylinder; that is, the magnitude of the pressing force of the pressing component 52 on the electrode 4 can be accurately controlled by controlling the specific output torque and actual extension length of the vertical cylinder's output end. Here, the specific structural type of the pressurizing component 51 is not limited, as long as it can drive the pressing component 52 to move along the Z-axis.

[0057] By setting up a pressurizing assembly 5 that includes a pressurizing component 51 and a pressing component 52, the structure of the entire pressurizing assembly 5 is simple and compact, and the production cost is low, while ensuring the pressing effect on the electrode 4. Furthermore, the magnitude of the pressing force of the pressing component 52 on the electrode 4 can be accurately controlled by controlling the specific output torque and actual extension length of the output end of the pressurizing component 51.

[0058] Specifically, such as Figure 2 and Figure 3 As shown, the pressing member 52 includes a connecting rod 521 and a pressing plate 522; wherein, one end of the connecting rod 521 is used to connect to the output end of the pressing member 51, and the other end of the connecting rod 521 is connected to the pressing plate 522. The pressing plate 522 is used to reciprocate along the Z-axis so that the pressing plate 522 can contact and press the electrode 4.

[0059] Specifically, such as Figure 2 and Figure 3 As shown, the connecting rod 521 is a cylindrical rod, and the center point of the electrode 4 and the center point of the pressure plate 522 are both located on the axis of the cylindrical rod. This ensures that the pressure plate 522 can press against the electrode 4 at the same center point, avoiding the problem of the electrode 4 being tilted or offset due to the eccentric pressing of the pressure plate 522 against the electrode 4. This further ensures the stability and reliability of the pressure of the pressure assembly 5 against the electrode 4.

[0060] Specifically, such as Figure 2 and Figure 3As shown, the pressure plate 522 is a rectangular plate, which matches the rectangular electrode 4. On the one hand, it can ensure the pressure coverage of the pressure plate 522 on the electrode 4, that is, the pressure plate 522 can completely cover the electrode 4, thereby ensuring a good pressure effect of the pressure plate 522 on the electrode 4. On the other hand, it can increase the pressure contact area between the pressure plate 522 and the electrode 4, thereby better ensuring the pressure effect of the pressure plate 522 on the electrode 4.

[0061] Furthermore, a mounting groove is recessed on the top surface of the pressure plate 522. The mounting groove does not penetrate the entire pressure plate 522 along its thickness direction; that is, the mounting groove is a blind groove on the Z-axis. The bottom end of the connecting rod 521 is interference-fitted into the mounting groove. On the one hand, this makes the connection between the pressure plate 522 and the connecting rod 521 simpler and more convenient, and the connection cost is lower. On the other hand, the interference fit ensures the stability of the connection between the connecting rod 521 and the pressure plate 522, so as to avoid the problem of loosening or separation between the connecting rod 521 and the pressure plate 522.

[0062] Furthermore, such as Figure 2 and Figure 3 As shown, the pressing member 52 also includes an elastic member 523, which extends along the Z-axis. The opposite ends of the elastic member 523 are respectively connected to the top end of the connecting rod 521 and the output end of the pressing member 51, so that the pressing member 51 drives the connecting rod 521 to move along the Z-axis via the elastic member 523. In this embodiment, the elastic member 523 can specifically be a spring.

[0063] By connecting the pressure member 51 and the connecting rod 521 with the elastic member 523, the compression elasticity of the elastic member 523 along the Z-axis downwards provides elastic buffering for the pressure plate 522 to press against the electrode 4. This allows the pressure plate 522 to flexibly press against the electrode 4, preventing the pressure plate 522 from damaging the electrode 4 during the pressing process, thus better protecting the electrode 4. Furthermore, after the pressing of the electrode 4 is completed, since the downward pressing force of the pressure member 51 on the elastic member 523 along the Z-axis is released, the rebound elasticity of the elastic member 523 along the Z-axis upwards can drive the connecting rod 521 and the pressure plate 522 to automatically reset along the Z-axis, making the reset operation of the connecting rod 521 and the pressure plate 522 simple and convenient.

[0064] Specifically, the elastic compression of the elastic element 523 can be adjusted by controlling the specific extension length and specific output torque of the output end of the pressure element 51 along the Z-axis (for example, by adjusting the specific working input parameters of the pressure element 51). This allows for accurate control of the elastic force applied by the elastic element 523 to the connecting rod 521 (the elastic parameters of the elastic element 523 are constant). Consequently, the elastic pressing force applied by the pressure plate 522 to the electrode 4 can be accurately guaranteed, thus avoiding problems such as the pressure plate 522 damaging the electrode 4 or insufficient pressing effect on the electrode 4.

[0065] Furthermore, such as Figure 2 As shown, the material box 3 includes a first base plate 311 and four side plates 312. The electrode 4 is horizontally placed on the first base plate 311. The side plates 312 are connected to the four edges of the first base plate 311 to form a square material box 3, that is, the above method can be used to form a drawer-type material box. The four side plates 312 are used to limit the electrode 4 to the first base plate 311 to prevent the electrode 4 from shaking or moving on the first base plate 311, thereby ensuring the stability of the electrode 4 on the first base plate 311. The first base plate 311 and the four side plates 312 can be an integral structure or a separate structure, which is not specifically limited here.

[0066] Specifically, such as Figure 2 As shown, the area of ​​the first base plate 311 is S1, the area of ​​the electrode 4 is S2, and the area of ​​the pressing plate 522 is S3, with S1>S3>S2. On the one hand, this ensures that the pressing plate 522 completely covers and presses against the electrode 4, guaranteeing complete pressing of the entire electrode 4, thus ensuring the integrity and effectiveness of pressing against the electrode 4. On the other hand, it avoids interference between the pressing plate 522 and the four side plates 312 during the pressing process of the electrode 4. That is, the pressing plate 522 will not come into contact with the four side plates 312, thus ensuring the smoothness and reliability of the pressing plate 522 pressing against the electrode 4.

[0067] In another embodiment, such as Figure 3 As shown, the material box 3 may further include a second base plate 321 and four limiting posts 322; wherein, the electrode 4 is horizontally placed on the second base plate 321; the limiting posts 322 extend along the Z-axis, and are respectively connected to the four corners of the second base plate 321 to form a magazine-type material box; the four limiting posts 322 are used to limit the electrode 4 to the second base plate 321, so as to prevent the electrode 4 from shaking or moving on the second base plate 321, thereby ensuring the stability of the electrode 4 on the second base plate 321. The second base plate 321 and the four limiting posts 322 can be an integral structure or a separate structure; no specific limitation is made here.

[0068] Furthermore, such as Figure 3 As shown, the area of ​​the second base plate 321 is S4, and S4>S2=S3; on the one hand, it can ensure that the pressing plate 522 completely covers and presses against the electrode 4, ensuring that the entire electrode 4 is completely pressed, thereby ensuring the integrity and effect of pressing against the electrode 4; on the other hand, it can avoid the pressing plate 522 from contacting and interfering with the four limiting posts 322 during the pressing of the electrode 4, that is, the pressing plate 522 will not press against the four limiting posts 322, thereby ensuring the smoothness and reliability of the pressing plate 522 pressing against the electrode 4.

[0069] Specifically, such as Figure 1 As shown, the box 1 has an opening 11, that is, an opening 11 is provided on one side of the box 1, and a box door 7 is hinged at the opening 11 so that the opening 11 can be opened or closed by opening or closing the box door 7, thereby facilitating the quick and convenient handling of each material box 3 through the opening 11.

[0070] Furthermore, the heating plate 2 is slidably connected to the inner wall of the housing 1 along the X-axis, so that the heating plate 2 can be pushed out or pushed into the housing 1 through the opening 11. That is, the heating plate 2 is slidably connected to the inner wall of the housing 1. After the heating and pressing work is completed, the housing door 7 is opened and the heating plate 2 is pulled out of the housing 1 along the X-axis, so that each material box 3 on it can be taken out as a whole through the heating plate 2, which is conducive to quickly taking out the material box 3 and the electrode 4 inside. The operation is simple and convenient, saving time and effort, thereby improving the production efficiency of the battery.

[0071] It is worth noting that the sliding connection between the heating plate 2 and the inner wall of the box 1 can adopt a sliding connection structure in which the slide rail and the slider cooperate. Here, the specific sliding connection structure is not limited.

[0072] The specific working process of the electrode baking device in this embodiment is as follows:

[0073] First, open the box door 7 and pull the heating plate 2 along the X-axis to the outside of the box body 1, so as to bring out each empty material box 3 as a whole through the heating plate 2 and place each electrode 4 into the empty material box 3 respectively; then push the heating plate 2 along the X-axis to the inside of the box body 1 to the preset working position and close the box door 7, thereby realizing the feeding process of the electrode 4.

[0074] Then, the operation panel 6 controls the heating power of the heating plate 2 according to the heating and drying temperature requirements of the electrode 4, so that the heating plate 2 heats according to the heating power, thereby realizing the heating and drying process of the electrode 4.

[0075] At the same time, the operation panel 6 controls the specific output power of the pressure component 51 according to the wavy edge or wrinkles of the electrode 4 and the specific pressure requirements of the electrode 4, so that the pressure component 51 drives the connecting rod 521 to move downward along the Z-axis by compressing the elastic element 523 downward along the Z-axis, so that the connecting rod 521 drives the pressure plate 522 to contact and press the entire electrode 4 downward along the Z-axis until the flatness of the electrode 4 is the preset flatness, thereby realizing the pressing process of the electrode 4.

[0076] Finally, the pressure member 51 stops driving the pressure plate 522 to move downward along the Z-axis. At this time, the elastic member 523 can automatically reset the connecting rod 521 and the pressure plate 522 by moving upward along the Z-axis under its own elasticity. Then, the box door 7 is opened and the heating plate 2 is pulled out of the box 1 along the X-axis to take out the electrode 4 in each material box 3, thereby realizing the feeding process of the electrode 4.

[0077] In this embodiment, the electrode baking device integrates the pressurizing component 5 and the heating plate 2 into the same housing 1, thus integrating the two functions of heating and drying and pressing and flattening into the same housing 1. This makes the structure of the entire electrode baking device simple and compact, reducing the production cost of the battery. Moreover, while heating and drying the electrode 4, the pressurizing component 5 presses the electrode 4, eliminating the need to wait for drying and then separately press the electrode 4, which greatly saves time and improves the overall production efficiency of the battery.

[0078] In this embodiment, the electrode baking device positions the pressure assembly 5 directly above the material box 3 so that the pressure assembly 5 is directly facing and pressing the electrode 4. That is, the center point of the electrode 4 and the center point of the pressing plate 522 are both located on the axis of the connecting rod 521. This ensures that the pressing plate 522 can press the electrode 4 at the same center point, avoiding the problem of the electrode 4 being tilted or offset due to the pressing plate 522 pressing the electrode 4 eccentrically. This ensures the stability and reliability of the pressure assembly 5 pressing the electrode 4.

[0079] In this embodiment, the electrode baking device sets up a rectangular pressing plate 522 and limits the relationship between the area of ​​the pressing plate 522, the area of ​​the electrode 4, and the area of ​​the bottom plate of the material box 3. This ensures that the electrode 4 is pressed smoothly while maintaining the completeness and effectiveness of the pressing range.

[0080] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. An electrode sheet baking apparatus characterized by comprising: include: Box (1); A heating plate (2) is disposed inside the housing (1) and is connected to the inner wall of the housing (1); A material box (3) is disposed on the heating plate (2), and an electrode plate (4) is placed inside the material box (3); The pressurization component (5) is disposed inside the housing (1) and located above the material box (3); The pressurizing component (5) can reciprocate along the Z-axis to press against the electrode (4) inside the material box (3).

2. The electrode baking apparatus as described in claim 1, characterized in that, The heating plate (2) is provided in multiple ways, and the multiple heating plates (2) are arranged at intervals along the Z-axis. Each heating plate (2) is provided with multiple material boxes (3) arranged in an array. Each material box (3) is provided with a pressure component (5) directly above it.

3. The pole piece baking apparatus of claim 1, wherein The electrode baking apparatus further includes: An operation panel (6) is located on the outer side of the housing (1), and the heating plate (2) and the pressurizing component (5) are electrically connected to the operation panel (6).

4. The pole piece baking apparatus according to any one of claims 1 to 3, characterized in that, The pressurization component (5) includes: A pressure member (51) is disposed inside the housing (1) and located above the material box (3); The pressing member (52) is connected to the output end of the pressurizing member (51). The pressurizing member (51) can drive the pressing member (52) to reciprocate along the Z-axis to press the electrode (4).

5. The electrode baking apparatus as described in claim 4, characterized in that, The pressing member (52) includes: A connecting rod (521) is provided, one end of which is used to connect to the output end of the pressure member (51); The other end of the connecting rod (521) is connected to the pressure plate (522), and the pressure plate (522) can reciprocate along the Z-axis to press against the electrode (4).

6. The pole piece baking apparatus of claim 5, wherein The pressing member (52) also includes: An elastic element (523) extends along the Z-axis, and the opposite ends of the elastic element (523) are respectively connected to one end of the connecting rod (521) and the output end of the pressure element (51).

7. The pole piece baking apparatus according to claim 5 or 6, characterized in that, The material box (3) includes: First base plate (311), the electrode (4) is placed on the first base plate (311); The side plates (312) are connected to the four edges of the first base plate (311) to form the material box (3) with a square structure. The four side plates (312) are used to limit the electrode (4). The area of ​​the first base plate (311) is S1, the area of ​​the electrode (4) is S2, and the area of ​​the pressing plate (522) is S3, and S1>S3>S2.

8. The pole piece baking apparatus of claim 5 or 6, wherein The material box (3) includes: The second base plate (321) is on which the electrode (4) is placed; The limiting post (322) extends along the Z-axis. The four corners of the second base plate (321) are respectively connected to the limiting post (322). The four limiting posts (322) are used to limit the electrode (4). The area of ​​the second base plate (321) is S4, the area of ​​the electrode (4) is S2, and the area of ​​the pressing plate (522) is S3, and S4>S2=S3.

9. The electrode baking apparatus according to any one of claims 1-3, characterized in that, The box (1) has an opening (11), and a door (7) is hinged to the opening (11).

10. The electrode baking apparatus as described in claim 9, characterized in that, The heating plate (2) is slidably connected to the inner wall of the box (1) along the X-axis, so that the heating plate (2) can be pushed out or pushed into the box (1) through the opening (11).

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