A split-type air flotation roller

Abstract

A split-type air-float roller includes a roller body and a plurality of air outlets formed on the roller body. A first groove and a second groove are formed on opposite sides of the roller body, arranged along the circumferential direction of the roller body. Split nozzles for adjusting the airflow angle are rotatably connected within the first and second grooves. Adjustment components for adjusting the rotation angle of the split nozzles are provided at both ends of the roller body. The adjustment components include a first rotating ring and a second rotating ring for adjusting the split nozzles. Support plugs are provided at both ends of the roller body, and the first and second rotating rings are sleeved on the support plugs. Compared with existing technologies, by changing the airflow angle directed towards the electrode, when the electrode needs to be flipped, the situation where the electrode stacks and cannot be completely flipped during flipping is avoided. This ensures the areal density detection of the reverse side of the electrode, guarantees the coating quality of the electrode, and improves the quality and lifespan of the lithium battery.

Description

Technical Field

[0001] This invention relates to the field of lithium battery production technology, specifically to a split-type air flotation roller. Background Technology

[0002] Currently, the required length of coating machines in the lithium battery industry is too long. Therefore, new coating machines adopt a folding structure, which effectively reduces the floor space, improves space utilization, and enhances operator maneuverability. In folding coating machines, due to the special structure of the oven, the electrode sheets undergo a reciprocating motion during entry into the oven, resulting in a flipping action (the slurry surface flips from the top to the bottom). Since the electrode sheets need to be tested for areal density after exiting the oven, and this testing relies on X-rays penetrating the electrode sheet causing attenuation of the radiation, the quality of the electrode sheet can be determined by the degree of attenuation. Therefore, the areal density of the electrode sheet cannot be accurately measured from the reverse side. Thus, a flipping mechanism is needed to flip the electrode sheets so that the slurry surface faces upwards, facilitating areal density testing and allowing for accurate measurement of the electrode coating quality. The quality of the coating directly affects the quality and lifespan of lithium-ion batteries. Timely detection of coating quality can improve production efficiency and extend battery life.

[0003] Chinese Patent Application No. 202223197258.4 discloses an air-bearing roller and a coating apparatus. The disclosed air-bearing roller and coating apparatus include a body and an air-shielding plate. The body includes a radial surface with multiple air outlets. The air-shielding plate is movably fitted to a portion of the radial surface to close some of the air outlets. The air-bearing roller blows air through the air outlets of the body to lift the electrode sheet, and by moving the air-shielding plate, it closes the air outlets at different angles on the radial surface of the body, thereby changing the angle of the blown air. Chinese Patent Application No. 202223207889.X discloses a coating machine and its air-bearing roller. The disclosed air-bearing roller includes a first roller body with a first cavity. An air inlet is provided at the end of the first roller body, allowing airflow to enter the first cavity through the air inlet. A guide hole is also provided on the side wall of the first roller body. The first roller body penetrates a second roller body, and the first and second roller bodies together form a second cavity surrounding the outer periphery of the first roller body. The guide hole connects the first cavity and the second cavity. The second roller body has multiple air outlets on the side opposite to the through hole. The second cavity is connected to the outside of the air flotation roller through the multiple air outlets. A baffle is set on the inner wall of the first cavity. The maximum radial dimension of the baffle along the first roller body is smaller than the inner diameter of the first roller body.

[0004] In the aforementioned prior art, the air outlet holes on the surface of the air flotation roller are fixed, and the flow direction of the airflow blown out from the air outlet holes is also fixed. When the electrode needs to be flipped, since the flow direction of the airflow is unchanged, the electrode is prone to stacking together during the flipping process, making it difficult to achieve an effective flipping operation of the electrode. As a result, it is impossible to detect the surface density of the reverse side of the electrode, and thus it is impossible to accurately measure the coating quality of the electrode. Summary of the Invention

[0005] The present invention aims to overcome the defects in the prior art and provide a split-type air flotation roller that can achieve electrode flipping and ensure that the electrode does not stack.

[0006] To achieve the above-mentioned objectives, the present invention adopts the following technical solution: a split-type air flotation roller, comprising a roller body and a plurality of air outlet holes formed on the roller body, wherein a first groove and a second groove are formed on both sides of the roller body and are arranged opposite to each other, the first groove and the second groove being arranged along the circumferential direction of the roller body; a split nozzle for adjusting the airflow blowing angle is rotatably connected in the first groove and the second groove, and an adjustment component for adjusting the rotation angle of the split nozzle is provided at both ends of the roller body; the adjustment component includes a first rotating ring and a second rotating ring for adjusting the split nozzle; a support plug is provided at both ends of the roller body, and the first rotating ring and the second rotating ring are sleeved on the support plug.

[0007] As a preferred embodiment of the present invention, the first groove and the second groove are arranged along the length direction of the roller body, and both the first groove and the second groove are fan-shaped structures.

[0008] As a preferred embodiment of the present invention, the split nozzle includes a first split nozzle and a second split nozzle symmetrically arranged, the first split nozzle being rotatably connected to a first groove, and the second split nozzle being rotatably connected to a second groove.

[0009] As a preferred embodiment of the present invention, both the first and second segmented air nozzles have a plurality of holes for airflow to be blown out, and both the first and second segmented air nozzles have air inlet holes at their ends for air intake, with internal threads formed on the inner wall of the air inlet holes.

[0010] As a preferred embodiment of the present invention, the first rotating ring is connected to the first split nozzle, and the second rotating ring is connected to the second split nozzle.

[0011] In a preferred embodiment of the present invention, the first rotating ring and the second rotating ring are rotatably connected to the support plug, and the first rotating ring and the second rotating ring are stacked together.

[0012] In a preferred embodiment of the present invention, a first adjusting rod is connected to the first rotating ring, and a second adjusting rod is connected to the second rotating ring.

[0013] In a preferred embodiment of the present invention, the end of the roller body is provided with a positioning rod, and one end of the first adjusting rod and the second adjusting rod are both rotatably mounted on the positioning rod.

[0014] As a preferred embodiment of the present invention, both the first adjusting rod and the second adjusting rod are telescopic structures.

[0015] As a preferred embodiment of the present invention, the support plug has a vent hole that communicates with the vent hole, and the inner wall of the vent hole has an internal thread.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. By rotating the segmented air nozzles on the roller body, the angle of the segmented air nozzles can be adjusted by the rotation of the first and second rotating rings under the action of the adjustment component. This changes the blowing angle of the airflow on the roller body, ensuring that when the electrode sheet is flipped, the angle of the airflow blowing towards the electrode sheet is changed. This prevents the electrode sheet from stacking and failing to flip completely when it needs to be flipped, thereby ensuring the areal density detection of the reverse side of the electrode sheet, ensuring the coating quality of the electrode sheet, and improving the quality and service life of the lithium battery.

[0018] 2. Furthermore, through the first and second segmented air nozzles set on both sides of the roller body, airflow enters the first and second segmented air nozzles through the air inlet. The first and second segmented air nozzles are respectively connected to the first and second rotating rings. The first and second rotating rings are respectively connected to the first and second adjusting rods. Under the action of the first and second adjusting rods, the first and second rotating rings are rotated, thereby realizing the angle adjustment of the first and second segmented air nozzles. This ensures that the blowing angle of the airflow can ensure that the electrode sheet is completely flipped, thereby improving the flipping efficiency of the electrode sheet. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the present invention;

[0020] Figure 2 This is a side view of the present invention;

[0021] Figure 3 This is a schematic diagram of the positioning rod of the present invention;

[0022] Figure 4 This is a schematic diagram of the structure of the first rotating ring and the second rotating ring;

[0023] Figure 5 This is a schematic diagram of the roller body structure;

[0024] Figure 6 This is a schematic diagram of the structure of a split-type air nozzle.

[0025] Reference numerals: Roller body 1, First groove 101, Support plug 102, Vent hole 1021, Air outlet 103, Second groove 104, Split air nozzle 2, First split air nozzle 201, Second split air nozzle 202, Air inlet 203, Hole 204, Adjustment component 3, Positioning rod 301, First adjusting rod 302, Second adjusting rod 303, First rotating ring 304, Second rotating ring 305. Detailed Implementation

[0026] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0027] like Figures 1-6 As shown, a split-type air flotation roller includes a roller body 1 and a plurality of air outlet holes 103 formed on the roller body 1. A first groove 101 and a second groove 104 are formed on both sides of the roller body 1 and are arranged opposite to each other. The first groove 101 and the second groove 104 are arranged along the circumferential direction of the roller body 1. A split nozzle 2 for adjusting the airflow blowing angle is rotatably connected in the first groove 101 and the second groove 104. Both ends of the roller body 1 are provided with adjustment components 3 for adjusting the rotation angle of the split nozzle 2. The adjustment components 3 include a first rotating ring 304 and a second rotating ring 305 for adjusting the split nozzle 2. Both ends of the roller body 1 are provided with support plugs 102, and the first rotating ring 304 and the second rotating ring 305 are sleeved on the support plugs 102.

[0028] Furthermore, the roller body 1 has a hollow structure and is horizontally and fixedly installed. The roller body 1 has an air source chamber for supporting the electrode flotation. A plurality of air outlets 103 are disposed on the upper surface of the roller body 1, and these air outlets 103 are connected to the air source chamber. The air outlets 103 are evenly distributed, with a distribution angle of 135°±5°. A first groove 101 and a second groove 104 are disposed above both sides of the roller body 1, and the first groove 101 and the second groove 104... The arc angle of 4 is 22.5°±2.5°; the split nozzle 2 is rotatably connected in the first groove 101 or the second groove 104, and the rotation angle of the split nozzle 2 is adjusted by the adjustment component 3 to ensure that the angle of the airflow blown from the split nozzle 2 when flipping the electrode sheet can completely flip the electrode sheet, thus ensuring the flipping effect of the electrode sheet, thereby ensuring the accuracy of the areal density detection of the reverse side of the electrode sheet, ensuring the coating quality of the electrode sheet, and improving the quality and service life of the lithium battery.

[0029] In addition, the support plug 102 and the roller body 1 are located on the same straight line. The rotation of the angle of the split nozzle 2 is achieved by the first rotating ring 304 and the second rotating ring 305 sleeved on the support plug 102.

[0030] The first groove 101 and the second groove 104 are arranged along the length of the roller body 1, and both the first groove 101 and the second groove 104 are fan-shaped structures. Furthermore, the first groove 101 and the second groove 104 are arranged on the outer wall of the roller body 1, and the first groove 101 and the second groove 104 are not connected to the air source chamber, ensuring that the airflow in the air source chamber will not flow out from the first groove 101 or the second groove 104. In addition, since the first groove 101 and the second groove 104 are fan-shaped structures, it is convenient to adjust the rotation angle of the split nozzle 2.

[0031] The split-type air nozzle 2 includes a first split-type air nozzle 201 and a second split-type air nozzle 202 symmetrically arranged. The first split-type air nozzle 201 is rotatably connected to the first groove 101, and the second split-type air nozzle 202 is rotatably connected to the second groove 104. Furthermore, both the first split-type air nozzle 201 and the second split-type air nozzle 202 are fan-shaped structures adapted to the first groove 101 or the second groove 104, and the surfaces of the first split-type air nozzle 201 and the second split-type air nozzle 202 have the same arc-shaped structure as the surface of the roller body 1. At the same time, the surfaces of the first split-type air nozzle 201 and the second split-type air nozzle 202 are located on the same arc-shaped surface as the surface of the roller body 1. In addition, the lengths of the first split-type air nozzle 201 and the second split-type air nozzle 202 are the same as the length of the roller body 1. By rotating the first split-type air nozzle 201 and the second split-type air nozzle 202 in the first groove 101 and the second groove 104 respectively, the flow angle of the airflow blowing towards the electrode sheet is adjusted, thereby ensuring the effect of flipping the electrode sheet.

[0032] Both the first split nozzle 201 and the second split nozzle 202 have a plurality of holes 204 for airflow. Both the first split nozzle 201 and the second split nozzle 202 have air inlets 203 at their ends for air intake. The inner wall of the air inlet 203 has an internal thread. Furthermore, the plurality of holes 204 are evenly arranged on the upper surface of the first split nozzle 201 or the second split nozzle 202. At the same time, the air inlets 203 at the ends of the first split nozzle 201 and the second split nozzle 202 are connected to the corresponding holes 204, ensuring that the airflow can smoothly enter the first split nozzle 201 or the second split nozzle 202 from the air inlet 203 and be blown out from the corresponding holes 204. In addition, the internal thread on the inner wall of the air inlet 203 facilitates the installation of threaded joints, thereby realizing the connection with the air intake pipe.

[0033] The first rotating ring 304 is connected to the first split nozzle 201, and the second rotating ring 305 is connected to the second split nozzle 202. Furthermore, both the first rotating ring 304 and the second rotating ring 305 are provided with protrusions for connecting with the first split nozzle 201 and the second split nozzle 202. The protrusions are rotatably connected to the corresponding first split nozzle 201 or second split nozzle 202, thereby ensuring that the first split nozzle 201 and the second split nozzle 202 can rotate smoothly without any jamming.

[0034] The first rotating ring 304 and the second rotating ring 305 are rotatably connected to the support plug 102, and the first rotating ring 304 and the second rotating ring 305 are stacked together. Furthermore, by stacking and rotating the first rotating ring 304 and the second rotating ring 305 on the support plug 102, it is ensured that the first rotating ring 304 and the second rotating ring 305 will not shift, thereby ensuring that the first split nozzle 201 and the second split nozzle 202 can be adjusted smoothly and steadily, and ensuring that the airflow direction blown out from the hole 204 of the first split nozzle 201 or the second split nozzle 202 is stable.

[0035] A first adjusting rod 302 is connected to the first rotating ring 304, and a second adjusting rod 303 is connected to the second rotating ring 305. Furthermore, the first rotating ring 304 is used to connect the first split nozzle 201 and the first adjusting rod 302, and the second rotating ring 305 is used to connect the second split nozzle 202 and the second adjusting rod 303. By changing the length of the first adjusting rod 302 or the second adjusting rod 303, the first rotating ring 304 or the second rotating ring 305 rotates accordingly, thereby changing the position of the first split nozzle 201 or the second split nozzle 202 in the first groove 101 and the second groove 104 respectively, thus achieving the purpose of adjusting the air outlet angle.

[0036] The roller body 1 is provided with a positioning rod 301 at its end. One end of the first adjusting rod 302 and the second adjusting rod 303 are rotatably mounted on the positioning rod 301. Furthermore, the positioning rod 301 is fixedly mounted at the top of the end face of the roller body 1. The first adjusting rod 302 and the second adjusting rod 303 are symmetrically arranged with respect to the positioning rod 301. By rotatably mounting the ends of the first adjusting rod 302 and the second adjusting rod 303 on the positioning rod 301, the positioning of the first adjusting rod 302 and the second adjusting rod 303 is achieved.

[0037] Both the first adjusting rod 302 and the second adjusting rod 303 are telescopic structures. Furthermore, both the first adjusting rod 302 and the second adjusting rod 303 are composed of an adjusting seat and threaded rods rotatably connected to opposite ends of the adjusting seat. At the same time, the external threads on the two threaded rods have opposite directions of rotation. By rotating the adjusting seat, the threaded rods rotate within the adjusting seat, thereby adjusting the length of the first adjusting rod 302 or the second adjusting rod 303, and thus adjusting the rotational position of the first split nozzle 201 or the second split nozzle 202.

[0038] The support plug 102 has a vent hole 1021 that communicates with the air outlet 103. The inner wall of the vent hole 1021 has an internal thread. Furthermore, the vent hole 1021 extends through the entire support plug 102 and is connected to the air source chamber. Airflow enters the air source chamber through the vent hole 1021 and is then blown out from the air outlet 130. In addition, the internal thread on the inner wall of the vent hole 1021 facilitates the installation of threaded joints, thereby realizing the connection with the air intake pipe.

[0039] In practical use, Example 1:

[0040] Working principle: The support plugs 102 at both ends of the roller body 1 are fixed in their working positions. Hot or cold air is connected to the air inlet holes 1021 of the roller body 1 and the air inlet holes 203 of the first and second split air nozzles 201 and 202, respectively, to fill the chambers with gas. After the internal pressure stabilizes, air is blown onto the outer surfaces of the roller body 1 and the first and second split air nozzles 201 and 202 through several air outlet holes 103 and several holes 204 machined on it, acting on the surface of the electrode. By adjusting the air outlet angle, the electrode is suspended; the first and second split air nozzles 201 and 202... The first rotating ring 304 and the second rotating ring 305 are connected to the first adjusting rod 302 and the second adjusting rod 303. The first adjusting rod 302 and the second adjusting rod 303 can control the position of the first split air nozzle 201 and the second split air nozzle 202 in the first groove 101 and the second groove 104 on the roller body, thereby changing the angle of the airflow blown out from the hole 204, changing the electrode flipping area, and achieving the best flipping effect. By adjusting the airflow angle in time, the risk of electrode scratches and electrode breakage can be effectively avoided, which is conducive to improving production efficiency, coating quality and extending battery life.

[0041] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention; therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0042] Although this document frequently uses reference numerals from the figures, such as roller 1, first groove 101, support plug 102, vent 1021, air outlet 103, second groove 104, split nozzle 2, first split nozzle 201, second split nozzle 202, air inlet 203, hole 204, adjusting assembly 3, positioning rod 301, first adjusting rod 302, second adjusting rod 303, first rotating ring 304, and second rotating ring 305, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of the invention; interpreting them as any additional limitation would contradict the spirit of the invention.

Claims

1. A split air floatation roller, comprising a roller body (1) and a plurality of air outlets (103) formed on the roller body (1), characterized in that, The roller body (1) has a first groove (101) and a second groove (104) arranged opposite to each other on both sides. The first groove (101) and the second groove (104) are arranged along the circumferential direction of the roller body (1). A split nozzle (2) for adjusting the airflow blowing angle is rotatably connected in the first groove (101) and the second groove (104). Both ends of the roller body (1) are provided with adjustment components (3) for adjusting the rotation angle of the split nozzle (2). The adjustment component (3) includes a first rotating ring (304) and a second rotating ring (305) for adjusting the split nozzle (2). Both ends of the roller body (1) are provided with support plugs (102). The first rotating ring (304) and the second rotating ring (305) are sleeved on the support plugs (102).

2. The split air float roller of claim 1, wherein, The first groove (101) and the second groove (104) are arranged along the length direction of the roller body (1), and both the first groove (101) and the second groove (104) are fan-shaped structures.

3. The split air float roller of claim 1, wherein, The split nozzle (2) includes a first split nozzle (201) and a second split nozzle (202) arranged symmetrically. The first split nozzle (201) is rotatably connected to the first groove (101), and the second split nozzle (202) is rotatably connected to the second groove (104).

4. A split-type air flotation roller according to claim 3, characterized in that, The first split nozzle (201) and the second split nozzle (202) each have a plurality of holes (204) for blowing out airflow. The ends of the first split nozzle (201) and the second split nozzle (202) each have an air inlet hole (203) for air intake. The inner wall of the air inlet hole (203) has an internal thread.

5. A split-type air flotation roller according to claim 3, characterized in that, The first rotating ring (304) is connected to the first split nozzle (201), and the second rotating ring (305) is connected to the second split nozzle (202).

6. A split-type air flotation roller according to claim 1, characterized in that, The first rotating ring (304) and the second rotating ring (305) are rotatably connected to the support plug (102), and the first rotating ring (304) and the second rotating ring (305) are stacked together.

7. A split-type air flotation roller according to claim 1, characterized in that, The first rotating ring (304) is connected to a first adjusting rod (302), and the second rotating ring (305) is connected to a second adjusting rod (303).

8. A split-type air flotation roller according to claim 7, characterized in that, The end of the roller body (1) is provided with a positioning rod (301), and one end of the first adjusting rod (302) and the second adjusting rod (303) are rotatably mounted on the positioning rod (301).

9. A split-type air flotation roller according to claim 7, characterized in that, Both the first adjusting rod (302) and the second adjusting rod (303) are telescopic structures.

10. A split-type air flotation roller according to claim 1, characterized in that, The support plug (102) has a vent hole (1021) that communicates with the vent hole (103), and the inner wall of the vent hole (1021) has an internal thread.

Images