Heat balance electrode roller press

Abstract

The invention relates to the technical field of battery manufacturing equipment, and provides a heat balance electrode roller press which comprises a bearing seat, the pressing rollers are rotationally arranged on the bearing seat, the multiple pressing rollers are adjacently arranged, and a rolling space is formed between every two adjacent pressing rollers and used for rolling electrode plates; the main heating piece is arranged in the compression roller; and the heating ring is arranged on the bearing seat. According to the technical scheme, the problems that in the prior art, when the electrode compression roller is heated at a constant temperature, a bearing seat distributes heat of the compression roller, and temperature rise is slow; and during shutdown maintenance, the heat feedback of the bearing seat enables the heat dissipation of the compression roller to be slow, and the surface precision of the compression roller and the quality of finished electrode plates are affected.

Description

Technical Field

[0001] The present invention relates to the technical field of battery manufacturing equipment, and in particular to a thermal balance electrode roller press. Background Art

[0002] In the production process of electrode materials, the roller press is a key equipment. During the pressing operation, the friction between the roller pressing parts and the electrode material generates heat, and the external environment temperature affects the temperature distribution of the roller press. This will not only affect the pressing effect, resulting in the lack of stability in the density and performance of the electrode material, but also shorten the service life of the equipment due to local overheating. When the equipment is started to heat the roller at a constant temperature, the bearing seat supporting the roller will take away part of the heat of the roller, making the heating rate of the roller slower than that of simply heating the roller. When the work is completed and the machine is shut down for maintenance, the heat dissipation of the roller will also become slow due to the heat feedback of the bearing seat. If the roller maintains the working temperature for a long time in the non-working state, it is easy to damage the surface accuracy of the roller, which in turn affects the quality of the finished pressed electrode sheet. Summary of the invention

[0003] The present invention proposes a heat-balanced electrode roller press, which solves the problem in the related art that when the electrode roller is heated at a constant temperature, the bearing seat divides the heat of the roller, resulting in slow heating; when the machine is shut down for maintenance, the heat feedback from the bearing seat causes the roller to dissipate heat slowly, affecting the surface accuracy of the roller and the quality of the finished electrode sheet.

[0004] The technical solution of the present invention is as follows: A heat balance electrode roller press, used for rolling electrode sheets, comprising: Bearing seat; A pressing roller, the pressing roller is rotatably arranged on the bearing seat, and a plurality of the pressing rollers are arranged adjacent to each other, and a rolling space is formed between two adjacent pressing rollers for rolling the electrode sheet; A main heating element, wherein the main heating element is arranged inside the pressing roller; A heating ring is arranged on the bearing seat.

[0005] As a further technical solution, the pressure roller has a containing cavity, the main heating element is arranged in the containing cavity, and the main heating element is close to the inner wall of the containing cavity.

[0006] As a further technical solution, there are several bearing seats, and the several bearing seats are arranged adjacent to each other, and further comprising: A cover shell is arranged on the bearing seat, the cover shell has an air flow cavity, the heating ring is located in the air flow cavity, the bearing seat and the cover shell are arranged in pairs and are located on both sides of the pressure roller.

[0007] As a further technical solution, it also includes: A blowing shell, wherein both ends of the blowing shell are respectively arranged on the cover shell on both sides of the pressure roller, the blowing shell has an inner cavity, both ends of the inner cavity are connected with the airflow cavity, a plurality of the airflow cavities and the inner cavity together form a first airflow channel, and the inner cavity also has an outlet, which leads to the surface of the pressure roller.

[0008] As a further technical solution, the blowing housing further comprises a blowing channel, the blowing channel being used to connect the first air flow channel and the outlet, and further comprising: The first stopper is lifted and slidably arranged in the inner cavity, and the first stopper has a stopper portion. After the first stopper slides, the stopper portion gradually blocks or cancels blocking the blowing channel.

[0009] As a further technical solution, it also includes: A first elastic member, one end of which is arranged on the first stopper, and the other end of which is arranged on the inner wall of the inner cavity, to provide a force for the first stopper to slide upward.

[0010] As a further technical solution, it also includes: The second stopper is arranged at the outlet for transverse sliding, and the outlet is enlarged or reduced after sliding, and the outlet is tangential to the surface of the pressure roller after being reduced.

[0011] As a further technical solution, it also includes: A slider, the slider being slidably disposed on an inner wall at one side of the outlet; a first connecting rod, one end of which is hinged to the second stopper, and the other end of which is hinged to the slider; A second connecting rod, one end of the second connecting rod is hinged to the first stopper, and the other end is hinged to the sliding block. After the first stopper slides up and down, it drives the second connecting rod to slide horizontally. The first connecting rod has a scraper part. After the sliding block slides down and drives the first connecting rod to swing, the scraper part extends out of the outlet and slides against the outer wall of the pressure roller.

[0012] As a further technical solution, the housing further has a filter air outlet, and further comprises: A filter element is provided in the first air flow channel and is located at one side of the filter air outlet, and the wind blown out of the outlet passes through the surface of the pressure roller, the filter element and the filter air outlet in sequence.

[0013] As a further technical solution, two adjacent blowing shells are staggered above and below the pressure roller, further comprising: An air pump is connected to the airflow chamber. When the output airflow of the air pump increases, the pressure of the first airflow channel increases, driving the first stopper to slide down.

[0014] The working principle and beneficial effects of the present invention are: In the present invention, the heat balance electrode roller press is mainly composed of a bearing seat, a pressure roller, a main heating element and a heating ring. The pressure roller is made of high-quality alloy steel, and three pressure rollers are arranged adjacent to each other. The two ends of each pressure roller are rotatably mounted on the corresponding bearing seat through high-precision rolling bearings. The spacing between two adjacent pressure rollers is precisely designed to form a suitable rolling space to ensure that the electrode sheet can be rolled evenly and effectively therein. The main heating element adopts electric heating rods, which are evenly distributed inside the pressure roller. These electric heating rods are fixed by high-temperature resistant insulating materials and connected to an external power supply and control system, which can quickly and evenly heat the pressure roller. The heating ring is arranged around the bearing seat and is located on the outer periphery of the rotating shaft of the pressure roller. The heating ring maintains a continuous heating state both in the working state and in the non-working state.

[0015] After the actual production stops at night, the device is shut down. After a night of shutdown, the temperature of the pressure roller usually drops to about 30°C. When processing starts the next day, the pressure roller needs to be reheated to the standard processing temperature of about 130°C. In the process of reheating, heat transfer will occur because the pressure roller is rotated and set on the bearing seat. Part of the heat will be transferred to the bearing seat until the heat transfer reaches equilibrium. At this time, the temperature of the bearing seat is about 70-80°C. In summary, during the reheating process, due to the heat transfer between the bearing seat and the pressure roller, the heating balance time is greatly extended, usually requiring more than 1 hour, and the heating ring can continue to maintain the temperature of the bearing seat in the shutdown state at night, so that the temperature of the bearing seat is always maintained at 70-80°C, which can not only maintain the temperature of the bearing seat, but also slightly increase the temperature of the roller, so that when the machine is restarted the next day, because the bearing seat has maintained a balanced heat temperature, it greatly speeds up the time to heat the roller to the standard processing temperature, about 30 minutes, greatly improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The preferred implementation modes will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present invention.

[0017] Figure 1 It is a schematic diagram of the bearing seat and the pressure roller structure in the present invention; Figure 2 It is a schematic diagram of the structure of the present invention; Figure 3 It is a schematic diagram of the internal structure of the present invention; Figure 4This is a schematic diagram of the internal structure of the blowing shell in the present invention from the first perspective; Figure 5 This is a schematic diagram of the internal structure of the blowing shell in the present invention from another viewing angle; Figure 6 for Figure 5 Schematic diagram of the enlarged structure of part A in the middle.

[0018] In the figure: bearing seat -1, pressure roller -2, rolling space -201, accommodating chamber -202, main heating element -3, heating ring -4, cover shell -5, air flow chamber -501, first air flow channel -502, filter air outlet -503, blowing shell -6, inner cavity -601, outlet -602, blowing channel -603, first stopper -7, stopper -701, first elastic element -8, second stopper -9, slider -10, first connecting rod -11, scraping part -1101, second connecting rod -12, filter screen element -13. DETAILED DESCRIPTION

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the specific implementation methods of the present invention will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0020] In order to simplify the drawings, only the parts related to the invention are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically shown, or only one of them is marked. In this article, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0021] In this document, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0023] Reference Figure 1 to Figure 6An embodiment of the present invention proposes a heat-balanced electrode roller press for rolling electrode sheets, comprising a bearing seat 1; a pressure roller 2 is rotatably arranged on the bearing seat 1, and a plurality of pressure rollers 2 are arranged adjacent to each other, and a rolling space 201 is formed between two adjacent pressure rollers 2 for rolling electrode sheets; a main heating element 3 is arranged inside the pressure roller 2; and a heating ring 4 is arranged on the bearing seat 1.

[0024] In this embodiment, the heat balance electrode roller press is mainly composed of a bearing seat 1, a pressure roller 2, a main heating element 3 and a heating ring 4. The pressure roller 2 is made of high-quality alloy steel, and three pressure rollers are arranged adjacent to each other. Both ends of each pressure roller 2 are rotatably mounted on the corresponding bearing seat 1 through high-precision rolling bearings. The spacing between two adjacent pressure rollers 2 is precisely designed to form a suitable rolling space 201 to ensure that the electrode sheet can be rolled evenly and effectively therein. The main heating element 3 adopts electric heating rods, which are evenly distributed inside the pressure roller 2. These electric heating rods are fixed by high-temperature resistant insulating materials and connected to an external power supply and control system, which can quickly and evenly heat the pressure roller 2. The heating ring 4 is arranged around the bearing seat 1 and is located on the outer periphery of the rotating shaft of the pressure roller 2. The heating ring 4 maintains a continuous heating state both in the working state and in the non-working state.

[0025] After the actual production stops at night, the device is shut down. After a night of shutdown, the temperature of the pressure roller 2 usually drops to about 30°C. When processing starts the next day, the pressure roller 2 needs to be reheated to the standard processing temperature of about 130°C. In the process of reheating, heat transfer will occur because the pressure roller 2 is rotated and set on the bearing seat 1, and part of the heat will be transferred to the bearing seat 1 until the heat transfer reaches equilibrium. At this time, the temperature of the bearing seat 1 is about 70-80°C. In summary, during the reheating process, due to the heat transfer between the bearing seat 1 and the roller, the heating equilibrium time is greatly extended, usually more than 1 hour, and the heating ring 4 can continue to maintain the temperature of the bearing seat 1 in the shutdown state at night, so that the temperature of the bearing seat 1 is always maintained at 70-80°C, which can not only maintain the temperature of the bearing seat 1, but also slightly increase the temperature of the roller, so that when the machine is restarted the next day, because the bearing seat 1 has maintained a balanced heat temperature, the time to heat the roller to the standard processing temperature is greatly accelerated, about 30 minutes, which greatly improves the processing efficiency.

[0026] Furthermore, the pressure roller 2 has an accommodating cavity 202 , and the main heating element 3 is disposed in the accommodating cavity 202 , and the main heating element 3 is close to the inner wall of the accommodating cavity 202 .

[0027] In this embodiment, a special accommodating chamber 202 is provided inside the pressure roller 2. The accommodating chamber 202 is cylindrical and penetrates along the axial direction of the pressure roller 2. The main heating element 3 is an electric heating wire distributed in a spiral shape and is closely arranged near the inner wall of the accommodating chamber 202. The electric heating wire is connected to the inner wall of the accommodating chamber 202 through a special fixing bracket to ensure its stable position. The inner wall of the accommodating chamber 202 is made of a metal material with good thermal conductivity, such as copper or aluminum alloy, to achieve rapid heat transfer. This structural design enables the main heating element 3 to be sufficiently close to the inner wall of the accommodating chamber 202, thereby minimizing the loss during heat transfer. When the main heating element 3 is working, the heat generated can be quickly transferred to the entire pressure roller 2 through the inner wall of the accommodating chamber 202, thereby achieving rapid and uniform heating of the pressure roller 2. Since the heat transfer path is short and efficient, the time and energy consumption required for heating can be effectively reduced, thereby improving the heating efficiency. At the same time, the rapid and uniform heating of the pressure roller 2 helps to ensure the quality stability and consistency of the electrode sheet during the rolling process.

[0028] Furthermore, there are several bearing seats 1, and the several bearing seats 1 are arranged adjacent to each other, and also include a cover shell 5 arranged on the bearing seat 1, the cover shell 5 has an air flow cavity 501, the heating ring 4 is located in the air flow cavity 501, and the bearing seat 1 and the cover shell 5 are arranged in pairs and located on both sides of the pressure roller 2.

[0029] In this embodiment, two bearing seats 1 and a pressure roller 2 form a group, and such a combination is arranged adjacently in multiple groups. Each bearing seat 1 is made of high-strength alloy material to ensure that the pressure roller 2 can be stably supported. An airflow cavity 501 is formed inside the cover 5, and the heating ring 4 is an efficient electromagnetic induction heating ring 4, which is fixed in the center of the airflow cavity 501 by a special ceramic holder. Multiple groups of bearing seats 1 and cover 5 are distributed in pairs on both sides of the pressure roller 2. The setting of multiple combinations can process the electrode sheet to be gradually rolled, and the electrode sheet is gradually pressed to the required size by adjusting the spacing between the pressure rollers 2, so that the pressing accuracy is improved, and the accuracy and life of the pressure roller 2 are extended to a certain extent. The heating ring 4 is located in the airflow cavity 501, which can generate heat in a concentrated manner, reduce heat loss, effectively transfer heat to the bearing seat 1, reduce the heat loss of the heating ring 4 and the bearing seat 1, and further reduce the loss of heat from the pressure roller 2 to the bearing seat 1, thereby maintaining the uniform and stable temperature of the pressure roller 2, which helps to reduce energy consumption and extend the service life of the equipment.

[0030] Furthermore, it also includes two ends of a blowing shell 6 respectively arranged on the cover shell 5 on both sides of the pressure roller 2, the blowing shell 6 has an inner cavity 601, both ends of the inner cavity 601 are connected with the airflow cavity 501, several airflow cavities 501 and the inner cavity 601 together constitute a first airflow channel 502, the inner cavity 601 also has an outlet 602, and the outlet 602 leads to the surface of the pressure roller 2.

[0031] In this embodiment, a blowing shell 6 is further provided on the cover shell 5. The blowing shell 6 is made of a high temperature resistant plastic material, and its two ends are tightly connected to the cover shell 5 on both sides of the pressure roller 2. The blowing shell 6 has an inner cavity 601 inside, and the two ends of the inner cavity 601 are seamlessly connected with the airflow cavities 501 of the cover shells 5 on both sides, so that several airflow cavities 501 are connected into a continuous first airflow channel 502. A plurality of evenly distributed outlets 602 are provided on the side of the inner cavity 601 close to the pressure roller 2, and these outlets 602 are directly facing the surface of the pressure roller 2. In the heating stage, under the action of the wind drive device, the hot air flow generated by the heating ring 4 enters the inner cavity 601 of the blowing shell 6 through the airflow cavity 501, and then blows out from the outlet 602, directly blowing to the surface of the pressure roller 2, thereby quickly raising the temperature of the pressure roller 2. During the cooling stage, cold air is introduced through an external cooling device, and the cold air passes through the airflow cavity 501 and the inner cavity 601 of the blowing shell 6, and is blown out from the outlet 602 to the surface of the pressure roller 2, accelerating the cooling of the pressure roller 2. This structural design effectively utilizes the airflow channel, and directly guides the heated or cooled air to the surface of the pressure roller 2, which significantly improves the speed of heating and cooling. When heating up, the pressure roller 2 can quickly reach the operating temperature, reducing the preheating time and improving production efficiency. When cooling down, the temperature of the pressure roller 2 can be quickly reduced, which is convenient for equipment maintenance and maintenance, while reducing the adverse effects of excessive temperature on the pressure roller 2. This helps to maintain the stable performance of the pressure roller 2 and extend its service life, thereby improving the rolling quality of the electrode sheet and the continuity of production.

[0032] Furthermore, the blowing shell 6 also has a blowing channel 603, which is used to connect the first airflow channel 502 and the outlet 602, and also includes a first baffle 7 that is lifted and slidably arranged in the inner cavity 601. The first baffle 7 has a baffle portion 701. After the first baffle 7 slides, the baffle portion 701 gradually blocks or cancels blocking the blowing channel 603.

[0033] In this embodiment, a special blowing channel 603 is provided inside the blowing shell 6 for connecting the airflow channel and the outlet 602. The first stopper 7 is slidably installed in the inner cavity 601 of the blowing shell 6 in a lifting manner. The first stopper 7 has a stopper 701, and the shape and size of the stopper 701 match the blowing channel 603. When the first stopper 7 slides downward, the stopper 701 gradually expands the blowing channel 603, so that the amount of air passing through increases. On the contrary, when the first stopper 7 slides upward, the stopper 701 gradually blocks the blowing channel 603, so that the amount of air passing through the blowing channel 603 decreases. In addition, during the operation of the equipment, when it is necessary to clean impurities or attachments on the surface of the pressing roller 2, the speed and flow of the airflow through the blowing channel 603 can be further increased, and the roller surface of the pressing roller 2 can be cleaned by the warm airflow. When cleaning the surface of the pressing roller 2, the strong airflow can effectively remove impurities such as dust and debris on the surface of the pressing roller 2, keep the surface of the pressing roller 2 clean, and reduce the impact of impurities on the rolling quality of the electrode sheet. This new effect further improves the overall performance and working efficiency of the equipment and ensures the quality stability of electrode sheet production.

[0034] Furthermore, one end of a first elastic member 8 is arranged on the first stopper 7, and the other end is arranged on the inner wall of the inner cavity 601, so as to provide a force for the first stopper 7 to slide upward.

[0035] In this embodiment, when the first elastic member 8 is in a natural state, the first stopper 7 completely blocks the blowing channel 603. During the adjustment process, an external control device, such as an electric push rod or a pneumatic structure, is used to apply a force opposite to the elastic force of the first elastic member 8 to control the lifting position of the first stopper 7, thereby achieving the adjustment of the size of the blowing channel 603. This controllable size adjustment method and the synergistic effect of the first elastic member 8 enable the air volume blown out of each outlet 602 to be close. In actual work, no matter whether the equipment is in the state of heating, cooling or cleaning the surface of the pressure roller 2, there will be no difference in the wind force of a certain outlet 602 being too large or too small. This effect ensures the uniformity of heating or cooling the surface of the pressure roller 2 and improves the accuracy and stability of temperature control. When cleaning the surface of the pressure roller 2, the uniform wind force can comprehensively and effectively remove impurities and avoid the problem of incomplete local cleaning. Thereby further optimizing the performance of the thermal balance electrode roller press, ensuring the high-quality rolling production of electrode sheets, reducing the defective rate of products, and improving production efficiency and equipment reliability.

[0036] Furthermore, the second stopper 9 is arranged to slide transversely at the outlet 602 , and the outlet 602 is enlarged or reduced after sliding, and the outlet 602 is tangential to the surface of the pressure roller 2 after being reduced.

[0037] In this embodiment, a second stopper 9 is added and installed at the outlet 602 in a lateral sliding manner. In the temperature control stage, the second stopper 9 slides to one side to increase the opening. As the opening increases, the opening direction gradually and evenly deviates from the radial direction of the pressure roller 2. Such a design enables the blown airflow to cover the surface of the pressure roller 2 more evenly, which helps to achieve more accurate temperature control, and does not require a large airflow to transfer the heat of the heating ring 4. When cleaning is required, the second stopper 9 slides to the other side to reduce the outlet 602. At this time, the direction of the reduced outlet 602 is tangential to the surface of the pressure roller 2, so that the airflow is concentrated and has a stronger impact force, which can effectively remove impurities and attachments on the surface of the pressure roller 2. On the other hand, due to the particularity of the airflow direction, the outlet 602 is reduced and the airflow is blown out tangentially, which avoids the low-temperature airflow directly cooling the pressure roller 2, maintains the temperature of the pressure roller 2 during the cleaning process, and ensures the performance of the pressure roller 2 and the subsequent work effect, thereby comprehensively improving the rolling quality and production efficiency of the electrode sheet.

[0038] Furthermore, it also includes a slider 10 that is slidably arranged on the inner wall on one side of the outlet 602; one end of the first connecting rod 11 is hinged to the second stopper 9, and the other end is hinged to the slider 10; one end of the second connecting rod 12 is hinged to the first stopper 7, and the other end is hinged to the slider 10. After the first stopper 7 slides up and down, it drives the second connecting rod 12 to slide horizontally. The first connecting rod 11 has a scraping portion 1101. After the slider 10 slides down and drives the first connecting rod 11 to swing, the scraping portion 1101 extends out of the outlet 602 and slides against the outer wall of the pressure roller 2.

[0039] In this embodiment, a slide rail is provided on the inner wall on one side of the outlet 602, and the slider 10 can slide smoothly on the slide rail. When the first stopper 7 is lifted and slid, it will drive the second connecting rod 12 to slide horizontally, thereby indirectly affecting the movement of the first connecting rod 11 and the second stopper 9 through the slider 10. A special scraper 1101 is provided on the first connecting rod 11. When the slider 10 slides down along the inner wall, it will drive the first connecting rod 11 to swing, so that the scraper 1101 extends out of the outlet 602 and abuts against the roller surface of the pressure roller 2. During the cleaning process, that is, after a large flow of airflow is introduced, the scraper 1101 extends out of the outlet 602 and can directly contact the surface of the pressure roller 2, thereby enhancing the cleaning effect of stubborn attachments, and the airflow flowing through one side can also clean up the scraped impurities in time. At the same time, through the linkage of various components, the integrated control of the size of the outlet 602, the direction of the airflow and the movement of the cleaning components is realized, thereby improving the automation degree and work efficiency of the equipment.

[0040] Furthermore, the cover 5 also has a filter air outlet 503, and also includes a filter element 13 arranged in the first air flow channel 502, located on one side of the filter air outlet 503, and the wind blown out of the outlet 602 passes through the surface of the pressure roller 2, the filter element 13 and the filter air outlet 503 in sequence.

[0041] In this embodiment, a filter air port 503 is specially provided on the housing 5, and the filter mesh member 13 is made of a fine metal filter mesh, installed in the first air flow channel 502, and located on one side of the filter air port 503. When the equipment is running, the wind blown out from the outlet 602 first blows over the surface of the pressure roller 2, then carries possible impurities and dust through the filter mesh member 13, and finally is discharged through the filter air port 503. By providing the filter mesh member 13 and the filter air port 503, the impurities and dust blown up from the surface of the pressure roller 2 can be effectively filtered out. This not only helps to keep the inside of the first air flow channel 502 clean and prevent impurities from accumulating in the channel and affecting the smooth flow of the air flow, but also can prevent the blown impurities from contaminating the working environment and the electrode sheets being pressed again.

[0042] Furthermore, two adjacent blowing shells 6 are staggered above and below the pressure roller 2, and also include an air pump, which is connected to the airflow cavity 501. When the output airflow of the air pump increases, the pressure of the first airflow channel 502 increases, driving the first stopper 7 to slide down.

[0043] In this embodiment, two adjacent blowing shells 6 are arranged in a staggered manner in the vertical direction of the pressure roller 2. This staggered arrangement is based on the consideration that the electrode sheets are transported in an S-shaped manner on a number of pressure rollers 2, and the position of the blowing shell 6 needs to avoid the transport path of the electrode sheets, so as to ensure the smooth progress of the production process. The air pump is closely connected to the airflow chamber 501 through a pipeline. When the air pump is working and the output airflow changes, different effects will be brought about. When the airflow flow rate increases, the pressure in the airflow chamber 501 increases rapidly, so that the pressure in the first airflow channel 502 increases significantly, and the first stopper 7 overcomes the elastic force of the first elastic member 8 and slides downward. At this time, the blowing channel 603 and the outlet 602 are in a relatively large open state. When the airflow flow rate decreases, the elastic force of the first elastic member 8 causes the first stopper 7 to slide upward, and the blowing channel 603 and the outlet 602 become smaller. Under the temperature control state, a moderate airflow flow rate passes through the blowing channel 603 and the outlet 602 of appropriate size, evenly blows the surface of the pressure roller 2, and achieves precise temperature control. In the cleaning state, the larger air flow makes the blowing channel 603 and the outlet 602 fully open, and the strong air flow can effectively remove impurities and attachments on the surface of the pressing roller 2. The change of the air pump output air flow automatically adjusts the position of the first stopper 7, thereby switching the state of the blowing channel 603 and the outlet 602 to meet the two different needs of temperature control and cleaning. This design enables the thermal balance electrode roller press to accurately control the temperature, efficiently clean the roller surface, improve the pressing quality and production efficiency of the electrode sheet, and enhance the adaptability and reliability of the equipment.

[0044] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A heat balance electrode roller press, used for rolling electrode sheets, characterized in that: include: Bearing seat (1); A pressing roller (2), the pressing roller (2) being rotatably arranged on the bearing seat (1), a plurality of pressing rollers (2) being arranged adjacent to each other, and a rolling space (201) being formed between two adjacent pressing rollers (2) for rolling the electrode sheet; A main heating element (3), the main heating element (3) being arranged inside the pressure roller (2); A heating ring (4), wherein the heating ring (4) is arranged on the bearing seat (1).

2. A heat balance electrode roller press according to claim 1, characterized in that: The pressure roller (2) has a containing cavity (202), the main heating element (3) is arranged in the containing cavity (202), and the main heating element (3) is close to the inner wall of the containing cavity (202).

3. A heat balance electrode roller press according to claim 1, characterized in that: The bearing seats (1) are multiple, and the multiple bearing seats (1) are arranged adjacent to each other, and further include: A cover shell (5), wherein the cover shell (5) is arranged on the bearing seat (1), the cover shell (5) has an air flow cavity (501), the heating ring (4) is located in the air flow cavity (501), and the bearing seat (1) and the cover shell (5) are arranged in pairs and are located on both sides of the pressure roller (2).

4. A heat balance electrode roller press according to claim 3, characterized in that: Also includes: A blowing shell (6), wherein two ends of the blowing shell (6) are respectively arranged on the cover shell (5) on both sides of the pressure roller (2), the blowing shell (6) has an inner cavity (601), and two ends of the inner cavity (601) are connected to the airflow cavity (501), and a plurality of the airflow cavities (501) and the inner cavity (601) together form a first airflow channel (502), and the inner cavity (601) also has an outlet (602), and the outlet (602) leads to the surface of the pressure roller (2).

5. A heat balance electrode roller press according to claim 4, characterized in that: The blowing housing (6) further comprises a blowing channel (603), wherein the blowing channel (603) is used to connect the first air flow channel (502) and the outlet (602), and further comprises: A first stopper (7), the first stopper (7) is arranged in the inner cavity (601) in a lifting and sliding manner, the first stopper (7) has a stopper portion (701), and after the first stopper (7) slides, the stopper portion (701) gradually blocks or stops blocking the blowing channel (603).

6. A heat balance electrode roller press according to claim 5, characterized in that: Also includes: A first elastic member (8), one end of the first elastic member (8) being arranged on the first stopper (7), and the other end of the first elastic member (8) being arranged on the inner wall of the inner cavity (601), so as to provide a force for the first stopper (7) to slide upwards.

7. A heat balance electrode roller press according to claim 5, characterized in that: Also includes: A second stopper (9), the second stopper (9) is arranged to slide transversely at the outlet (602), and after sliding, the outlet (602) is enlarged or reduced, and the outlet (602) is tangentially oriented to the surface of the pressure roller (2) after being reduced.

8. A heat balance electrode roller press according to claim 7, characterized in that: Also includes: A slider (10), the slider (10) being slidably disposed on an inner wall on one side of the outlet (602); A first connecting rod (11), one end of the first connecting rod (11) being hinged to the second stopper (9) and the other end of the first connecting rod (11) being hinged to the sliding block (10); A second connecting rod (12), one end of the second connecting rod (12) is hinged to the first stopper (7), and the other end is hinged to the slider (10); the first stopper (7) slides up and down to drive the second connecting rod (12) to slide horizontally; the first connecting rod (11) has a scraping portion (1101); after the slider (10) slides down to drive the first connecting rod (11) to swing, the scraping portion (1101) extends out of the outlet (602) and slides against the outer wall of the pressure roller (2).

9. A heat balance electrode roller press according to claim 4, characterized in that: The housing (5) further comprises a filter air outlet (503), and further comprises: A filter element (13), wherein the filter element (13) is arranged in the first air flow channel (502) and is located on one side of the filter air outlet (503), and the air blown out of the outlet (602) passes through the surface of the pressure roller (2), the filter element (13) and the filter air outlet (503) in sequence.

10. A heat balance electrode roller press according to claim 5, characterized in that: Two adjacent blowing shells (6) are arranged in an offset manner above and below the pressing roller (2), and further include: An air pump is connected to the airflow chamber (501), and when the output airflow of the air pump increases, the pressure of the first airflow channel (502) increases, driving the first stopper (7) to slide down.

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