A pole shoe heating structure

Abstract

The utility model belongs to the technical field technical field of pole piece drying, disclose a kind of pole winding heating structure, including first end cover, heating sleeve, fixed shaft, fairing, second end cover;Through the introduction of heating atmosphere by one end of fixed shaft, high-temperature atmosphere is guided from the surface of heating sleeve by fairing, second end cover and is exported, and pole piece is directly heated;Not only realizes the winding transmission of pole piece, but also can guide constant-temperature airflow air-drying pole piece, and heat is conducted to pole piece wound on heating structure, while improving drying rate, can also guarantee drying effect.

Description

Technical Field

[0001] This utility model relates to the field of electrode drying technology, and in particular to an electrode roll heating structure. Background Technology

[0002] In current technologies, a common practice for heating and drying electrode rolls is to place hot air above and below the electrode sheets. This method of using hot air blades for heating has several problems. The hot air flow is relatively fast and exhibits turbulent and complex airflow. Firstly, this results in uneven temperature distribution within the heating space. Secondly, because temperature detection is affected by this complex airflow, it is difficult to accurately determine the actual temperature the electrode sheets are subjected to. Furthermore, using a suspended heating mechanism to heat and dry the electrode sheets undoubtedly increases the difficulty of the control process.

[0003] For the reasons mentioned above, relevant technical personnel are unable to accurately control the optimal process flow for drying electrode rolls. They are forced to compromise production efficiency by choosing relatively low drying temperatures and extending drying times to ensure the electrodes achieve the desired drying effect. Given these shortcomings in existing technology, there is an urgent need to design a new electrode roll heating mechanism that features a stable temperature field and precise temperature control, thereby effectively solving the aforementioned problems. Utility Model Content

[0004] This invention provides an electrode heating structure to solve the problems of low drying efficiency and poor temperature control accuracy of existing electrode heating structures.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An electrode heating structure includes a first end cap, a heating sleeve, a fixed shaft, a flow guide, and a second end cap. The heating sleeve includes an inner ring and an outer ring, which are coaxially arranged and connected and fixed by multiple reinforcing ribs. A third flow guide cavity is formed between adjacent reinforcing ribs. A third air outlet is provided on the surface of the outer ring, which communicates with the third flow guide cavity. The first end cap and the second end cap are respectively fixedly disposed at both ends of the heating sleeve, and the first end cap seals the first end of the heating sleeve.

[0007] The fixed shaft is a stepped shaft, coaxially arranged with the heating sleeve; the first end and the second end of the fixed shaft are rotatably connected to the first end cap and the second end cap, respectively; wherein, the flow guide shroud is located in the heating sleeve, fixedly arranged at the second end of the fixed shaft, axially abutting against the second end cap, and forming a flow guide cavity with the fixed shaft and the second end cap; the second end of the fixed shaft is a tubular structure, and a first air outlet is radially opened at the second end of the fixed shaft, communicating with the flow guide cavity; the second end cap is provided with a flow guide channel communicating with the flow guide cavity and the third flow guide cavity.

[0008] Preferably, the first end and the second end of the fixed shaft are rotatably connected to the first end cover and the second end cover via a first bearing and a second bearing, respectively.

[0009] Preferably, the outer ring of the first bearing is interference-fitted with the first end cap, and the inner ring is clearance-fitted with the first end of the fixed shaft; the outer ring of the second bearing is interference-fitted with the second end cap, and the inner ring is clearance-fitted with the second end of the fixed shaft.

[0010] Preferably, a shaft retaining ring and a bore retaining ring are respectively provided on the outer side of the first bearing and the second bearing.

[0011] Preferably, the outer ring surface of the heating sleeve is provided with a first air outlet groove and a second air outlet groove that are evenly distributed along the axial direction and radial direction, respectively, and the bottom of the first air outlet groove and the second air outlet groove is provided with a third air outlet hole that communicates with the third guide cavity.

[0012] Preferably, the inner side of the second end cap is provided with a second air outlet communicating with the heating cylinder guide cavity and a second air inlet communicating with the inside of the guide shroud, and the second air inlet and the second air outlet communicating with each other to form the guide channel.

[0013] Preferably, the second air outlet and the second air inlet are arranged radially correspondingly, wherein the distance from the center of the second air outlet to the center of the second end cap is greater than the distance from the center of the second air inlet to the center of the second end cap.

[0014] Preferably, a transmission part is integrally provided on the outer side of the second end cap.

[0015] Preferably, the transmission part is any one of a pulley or a gear.

[0016] The beneficial effects of this utility model are:

[0017] 1. The electrode roll heating structure disclosed in this utility model can not only wind and transport electrode sheets, but also guide constant temperature airflow to dry the electrode sheets, and conduct heat to the electrode sheets wound on the heating structure. The electrode sheets wound on the heating structure are heated from the inside out. At the same time, by setting multiple electrode roll heating structures, the electrode roll can achieve repeated and uniform drying on both sides of the electrode sheets during reciprocating winding, which can improve the drying rate and ensure the drying effect.

[0018] 2. The transmission part 503, which is integrated on the second end cover, not only simplifies the assembly structure of the electrode heating structure, but also saves space occupied by the overall structure. Attached Figure Description

[0019] Figure 1 This is an exploded view of the assembly of the electrode coil heating structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the assembly of the electrode coil heating structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the heating sleeve structure of the electrode coil heating structure of this utility model;

[0022] Figure 4 This is a schematic diagram of the fixed shaft structure of the polar coil heating structure of this utility model;

[0023] Figure 5 This is a schematic diagram of the second end cap structure of the electrode coil heating structure of this utility model;

[0024] Figure 6 This is a schematic diagram of the cross-sectional structure of the electrode heating structure in this utility model.

[0025] The meanings of the reference numerals in the figure are as follows: 1. First end cap; 2. Heating sleeve; 201. Third guide cavity; 202. First air outlet groove; 203. Second air outlet groove; 204. Third air outlet; 3. Fixed shaft; 301. First air inlet channel; 302. First air outlet; 4. Guide shroud; 5. Second end cap; 501. Second air inlet; 502. Second air outlet; 503. Transmission part 503; 6. First bearing; 7. Second bearing. Detailed Implementation

[0026] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0027] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0028] In the description of this embodiment, the terms "upper," "lower," "left," and "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0029] like Figure 1-2 As shown, it includes a first end cap 1, a heating sleeve 2, a fixed shaft 3, a flow guide 4, and a second end cap 5; its characteristic is:

[0030] The heating sleeve 2 includes an inner ring and an outer ring, which are coaxially arranged and connected and fixed by multiple reinforcing ribs. A third flow guide cavity 201 is formed between adjacent reinforcing ribs. A third air outlet 204 communicating with the third flow guide cavity 201 is provided on the surface of the outer ring. A first end cap 1 and a second end cap 5 are respectively fixedly arranged at both ends of the heating sleeve 2. The first end cap 1 seals the first end of the heating sleeve 2.

[0031] The fixed shaft 3 is a stepped shaft, coaxially arranged with the heating sleeve. The first and second ends of the fixed shaft 3 are rotatably connected to the first end cap 1 and the second end cap 5, respectively. The flow guide shroud 4 is located within the heating sleeve 2, fixedly mounted at the second end of the fixed shaft 3, axially abutting against the second end cap 5, forming a drainage cavity with the fixed shaft 3 and the second end cap 5. The second end of the fixed shaft 3 has a tubular structure, and a vent hole communicating with the drainage cavity is radially opened at the second end of the fixed shaft 3. The second end cap 5 has a flow channel communicating with the drainage cavity and the third flow guide cavity 201. In other words, the second end of the fixed shaft 3 is hollow, and a vent hole communicating with the flow guide cavity is radially opened at the second end of the fixed shaft 3. The heating airflow enters from the second end of the fixed shaft 3.

[0032] The first and second ends of the fixed shaft 3 are rotatably connected to the first end cover 1 and the second end cover 5 via a first bearing 6 and a second bearing 7, respectively. Specifically, the outer ring of the first bearing 6 is interference-fitted with the first end cover 1, and the inner ring is clearance-fitted with the first end of the fixed shaft 3; the outer ring of the second bearing 7 is interference-fitted with the second end cover 5, and the inner ring is clearance-fitted with the second end of the fixed shaft 3. Preferably, a shaft retaining ring 8 and a hole retaining ring 9 are respectively provided on the outer sides of the first bearing 6 and the second bearing 7. The shaft retaining ring 8 is engaged in the annular groove at the first end of the fixed shaft 3 to limit the axial displacement of the first bearing 6; the hole retaining ring 9 is engaged in the annular groove at the second end cover 5 to limit the axial displacement of the second bearing 7. This bearing connection method ensures that the fixed shaft 3 can rotate flexibly relative to the first end cover 1 and the second end cover 5, and effectively positions the axial position of the fixed shaft 3, preventing axial movement during operation.

[0033] like Figure 3 As shown, the heating sleeve 2 includes an inner ring and an outer ring, which are coaxially arranged and fixedly connected by radially arranged reinforcing ribs. Multiple reinforcing ribs are evenly arranged circumferentially, and a third flow guide cavity 201 is formed between adjacent reinforcing ribs. The outer ring surface is provided with a first air outlet groove 202 and a second air outlet groove 203 that are evenly distributed axially and radially, respectively. The bottom of the first air outlet groove 202 and the second air outlet groove 203 is provided with a third air outlet hole 204 that communicates with the third flow guide cavity 201.

[0034] like Figure 4 As shown, the second end of the fixed shaft 3 is hollow, forming a first air intake channel 301, and a first air outlet 302 communicating with the first air intake channel 301 is provided radially at the second end of the fixed shaft.

[0035] like Figure 5As shown, the inner side of the second end cover 5 is provided with a second air outlet 502 communicating with the heating cylinder guide cavity, and a second air inlet 501 communicating with the inside of the guide shroud. The second air inlet 501 and the second air outlet 502 form a guide channel. The second air outlet 502 and the second air inlet 501 are arranged radially correspondingly, wherein the distance from the center of the second air outlet 502 to the center of the second end cover is greater than the distance from the center of the second air inlet 501 to the center of the second end cover. Furthermore, a transmission part 503 is integrally provided on the outer side of the second end cover 5. The transmission part 503 can be either a pulley or a gear. Preferably, a pulley transmission method should be selected because pulley transmission can exhibit more stable characteristics during actual operation. Compared with other transmission methods, pulley transmission is more stable and reliable in its operation, effectively reducing vibration and impact during equipment operation, thereby ensuring the stability of the entire system in working condition, avoiding various problems that may occur due to unstable transmission, and thus ensuring the efficient and safe operation of the equipment. The aforementioned integrated transmission unit 503 not only simplifies the assembly structure of the electrode heating structure, but also saves space in the overall structure.

[0036] like Figure 6 As shown in the figure, the dashed lines with arrows indicate the airflow path of the high-temperature gas entering through the fixed shaft and exiting from the surface of the heating sleeve 2. The heated gas (which can be a protective atmosphere such as nitrogen) enters from the first inlet channel 301, enters the inner cavity of the guide shroud 4 through the first outlet 302, is guided by the guide shroud 4, and then enters the third guide cavity 201 through the channel formed by the second inlet 501 and the second outlet 502. Finally, it flows out through the third outlet 204 distributed on the surface of the heating sleeve 2, efficiently drying the electrode coil wound on the heating sleeve 2. The above-mentioned method of heating the electrode coil directly on the contact surface by heating the protective atmosphere makes it easy to control and monitor the drying temperature of the electrode coil surface, while improving the drying efficiency of the electrode coil. During operation, the fixed shaft 3 is fixedly mounted on the bracket at both ends and receives the heating protective atmosphere through the first inlet channel 301; the heating sleeve 2 is driven to rotate by the transmission part 503 provided on the second end cover 5 to realize the transfer of the electrode coil.

[0037] The electrode roll heating structure disclosed in this utility model can not only wind and transport electrode sheets, but also guide constant temperature airflow to dry the electrode sheets, transferring heat to the electrode sheets wound on the heating structure. The electrode sheets wound on the heating structure are heated from the inside out. At the same time, by setting multiple electrode roll heating structures, the electrode roll can achieve repeated and uniform drying on both sides of the electrode sheets during reciprocating winding, which can improve the drying rate and ensure the drying effect.

[0038] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A heating structure for an electrode roll, comprising a first end cap, a heating sleeve, a fixed shaft, a flow guide, and a second end cap, characterized in that: The heating sleeve includes an inner ring and an outer ring, which are coaxially arranged and connected and fixed by multiple reinforcing ribs. A third flow guide cavity is formed between adjacent reinforcing ribs. A third air outlet is provided on the surface of the outer ring, which communicates with the third flow guide cavity. The first end cap and the second end cap are respectively fixedly arranged at both ends of the heating sleeve, and the first end cap seals the first end of the heating sleeve. The fixed shaft is a stepped shaft, coaxially arranged with the heating sleeve; the first end and the second end of the fixed shaft are rotatably connected to the first end cap and the second end cap, respectively; wherein, the flow guide shroud is located in the heating sleeve, fixedly arranged at the second end of the fixed shaft, axially abutting against the second end cap, and forming a flow guide cavity with the fixed shaft and the second end cap; the second end of the fixed shaft is a tubular structure, and a first air outlet is radially opened at the second end of the fixed shaft, communicating with the flow guide cavity; the second end cap is provided with a flow guide channel communicating with the flow guide cavity and the third flow guide cavity.

2. The electrode heating structure according to claim 1, characterized in that: The first and second ends of the fixed shaft are rotatably connected to the first end cover and the second end cover via the first bearing and the second bearing, respectively.

3. The electrode heating structure according to claim 2, characterized in that: The outer ring of the first bearing is interference-fitted with the first end cap, and the inner ring is clearance-fitted with the first end of the fixed shaft; the outer ring of the second bearing is interference-fitted with the second end cap, and the inner ring is clearance-fitted with the second end of the fixed shaft.

4. The electrode heating structure according to claim 3, characterized in that: A shaft retaining ring and a bore retaining ring are respectively provided on the outer side of the first bearing and the second bearing.

5. The electrode heating structure according to claim 1, characterized in that: The outer ring surface of the heating sleeve is provided with a first air outlet groove and a second air outlet groove that are evenly distributed along the axial and radial directions, respectively. The bottom of the first air outlet groove and the second air outlet groove is provided with a third air outlet hole that communicates with the third flow guide cavity.

6. The electrode heating structure according to claim 1, characterized in that: The inner side of the second end cap is provided with a second air outlet that communicates with the heating cylinder guide cavity and a second air inlet that communicates with the inside of the guide shroud. The second air inlet and the second air outlet communicate to form the guide channel.

7. The electrode heating structure according to claim 6, characterized in that: The second air outlet and the second air inlet are arranged radially correspondingly, wherein the distance from the center of the second air outlet to the center of the second end cap is greater than the distance from the center of the second air inlet to the center of the second end cap.

8. The electrode heating structure according to claim 7, characterized in that: The outer side of the second end cap is also integrally provided with a transmission part.

9. The electrode heating structure according to claim 8, characterized in that: The transmission component can be either a pulley or a gear.

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