Pole piece coating device

Abstract

The utility model relates to a pole piece coating device which comprises an adsorption platform, a scraper movably arranged along the surface of the adsorption platform and a pushing assembly used for providing driving force for the scraper, the pushing assembly comprises a push rod, the push rod exerts acting force on the scraper, and the push rod and the scraper are both rotationally connected with first connecting rods. The end, away from the push rod or the scraper, of the first connecting rod is rotationally connected or rotationally connected through a connecting rod assembly, the first connecting rod and the connecting rod assembly move in the same plane, and the scraper is limited through the first connecting rod and the connecting rod assembly which are rotationally arranged in the same plane. Due to the fact that the first connecting rod and the connecting rod assembly can rotate in the vertical plane, the influence of the scraper connecting limiting piece on the scraper is effectively improved, and the product quality is improved.

Description

Technical Field

[0001] The utility model belongs to the field of pole piece coating, and specifically relates to a pole piece coating device. Background Art

[0002] The preparation of battery pole pieces usually includes processes such as pulping, coating, and drying, among which the pulping and coating processes are crucial to the quality of the pole pieces. In the laboratory, a coating machine is usually used to prepare battery pole pieces. For example, a coating machine includes an adsorption platform. A push rod is slidingly provided on the top surface of the adsorption platform. When coating, a scraper is set on one side of the push rod and flush with the push rod. The push rod is moved, and the push rod pushes the scraper to move to achieve the coating of the slurry. However, since the scraper and the push rod are separated, when the slurry is not stirred sufficiently and there is granular matter, the granular matter will exert force on the scraper during the coating process, which can easily cause the scraper to deviate from its original motion trajectory. After the scraper deviates, it forms relatively messy scratches on the coating surface. The scratches continue to affect the subsequent coating process and have a certain impact on the consistency of the product.

[0003] To prevent the scraper from straying from its path, existing technologies use a threaded connection between the scraper and the push rod via a connecting rod, thereby limiting the scraper's position. This effectively reduces the scraper's tendency to stray from its path under external forces and reduces the amount of scratches it causes. However, this threaded connection is prone to screw problems such as screw misalignment. When misaligned, the connecting rod exerts a certain force on the scraper, causing the scraper to partially warp and deviate from the coating surface, affecting the precision and quality of the coated product. Utility Model Content

[0004] In order to improve the stability of the scraper, reduce the impact of limiting effects such as connections on the scraper coating accuracy, and improve the accuracy and quality of the coated product, the present application provides a pole piece coating device.

[0005] This application is implemented through the following technical solutions:

[0006] A pole piece coating device includes an adsorption platform, a scraper arranged to move along the surface of the adsorption platform, and a pushing assembly for providing driving force for the scraper. The pushing assembly includes a push rod, which applies a force to the scraper. The push rod and the scraper are both rotatably connected to a first connecting rod. The first connecting rod is rotatably connected to one end away from the push rod or the scraper or is rotatably connected through a connecting rod assembly. The first connecting rod and the connecting rod assembly move in the same plane.

[0007] Preferably, the first connecting rod is rotatably connected to one end away from the push rod or scraper connection end, and first limit plates are provided on both sides of one end of the first connecting rod close to the other first connecting rod. The first limit plates are provided on a plane parallel to the rotation plane of the first connecting rod and abut against the side wall of the other first connecting rod.

[0008] Preferably, the first connecting rod is rotatably connected to the end connected to the push rod or the scraper through a connecting rod assembly, and the connecting rod assembly includes a second connecting rod, which is rotatably connected to the first connecting rod.

[0009] Preferably, the second connecting rod is provided with second limiting plates on both sides of one end thereof, the second limiting plates are provided on surfaces parallel to the rotation plane of the first connecting rod, and the second limiting plates abut against the side walls of the first connecting rod or the second connecting rod.

[0010] Preferably, it comprises a sleeve, the sleeve is rotatably arranged on the scraper and / or push rod, and the first connecting rod is connected to the sleeve and is rotatably connected to the scraper or push rod through the sleeve.

[0011] Preferably, rotating rods are provided on both sides of the scraper, and the sleeve is rotatably provided on the rotating rods.

[0012] Preferably, the sleeve is embedded in the rotating rod and / or the pushing rod.

[0013] Preferably, a rotating bearing is slidably provided on the rotating rod and / or the push rod, the sleeve is rotatably provided on the rotating rod and / or the push rod through the rotating bearing, and a locking member for limiting the rotating bearing is provided on the rotating bearing.

[0014] Preferably, it further includes a plug-in assembly, which includes a first plug-in component and a second plug-in component that are matched with each other. The first plug-in component is arranged on the sleeve, and the second plug-in component is arranged at one end of the first connecting rod close to the sleeve.

[0015] Preferably, the sleeve and the first connecting rod are rotatably connected.

[0016] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art:

[0017] By providing a first connecting rod and a connecting rod assembly, and making the first connecting rod and the connecting rod assembly rotate in the same plane, the scraper is limited, ensuring that the relative position of the push rod and the scraper remains unchanged during movement, thereby reducing the occurrence of the scraper deviating from the track. At the same time, since the first connecting rod and the connecting rod assembly are rotatable, after the scraper and the push rod are connected by the first connecting rod and / or the connecting rod assembly, the first connecting rod and / or the connecting rod assembly rotates around the push rod and the scraper under the action of gravity, thereby minimizing the influence of the limiting connection on the scraper accuracy and ensuring the quality of the coated product;

[0018] By setting the first limit plate and the second limit plate, the movement of the first connecting rod and the connecting rod assembly is limited to ensure that the first connecting rod and the connecting rod assembly rotate in the same plane, and the first connecting rod is limited by the embedded setting or the locking assembly to reduce the movement of the scraper relative to the push rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a pole piece coating device in Example 1 of the present application;

[0020] Figure 2 yes Figure 1 Enlarged view of part A in the middle;

[0021] Figure 3 This is a schematic diagram for highlighting the rotating groove in Example 1 of the present application;

[0022] Figure 4 This is a schematic diagram for highlighting the connecting rod assembly in Example 2 of the present application;

[0023] Figure 5 This is a schematic diagram for highlighting the plug-in assembly in Example 3 of the present application;

[0024] Figure 6 This is a schematic diagram used to highlight the sleeve limiting method in Example 4 of the present application.

[0025] In the figure: 1. Adsorption platform; 2. Adsorption channel; 3. Sliding assembly; 301. Sliding track; 302. Rotating groove; 303. Sliding bracket; 304. Push rod; 4. Scraper; 5. Rotating rod; 6. Sleeve; 7. First connecting rod; 8. First limit plate; 9. Connecting rod assembly; 901. Second connecting rod; 902. Second limit plate; 10. Plug-in assembly; 101. First plug-in component; 102. Second plug-in component; 11. Rotating bearing; 12. Locking component. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0027] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0028] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; and direct connections or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0029] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0030] Example 1

[0031] A pole piece coating device, referring to Figure 1 , including an adsorption platform 1, in which an inner cavity is provided, which is connected to a negative pressure suction device, and an adsorption channel 2 is provided on the top surface of the adsorption platform 1, which connects the inner cavity with the outside world, and is used to adsorb and fix the foil to be coated. A scraper 4 and a pushing assembly 3 for driving the scraper 4 to move are also movably provided on the adsorption platform 1. The pushing assembly 3 includes a sliding track 301 provided on the side wall of the adsorption platform 1, and a sliding bracket 303 is slidably fitted on the sliding track 301. A push rod 304 is detachably provided on the top of the sliding bracket 303 through a locking structure, and a driving member (not shown in the figure) is further connected to one end of the sliding bracket 303 that slides with the sliding track 301. In the embodiment of the present application, the driving member is a linear motor. The sliding bracket 303 is driven to move by the driving member, which further drives the push rod 304 to move, and drives the scraper 4 to move through the push rod 304.

[0032] Reference Figure 2 and Figure 3The push rod 304 is provided with a rotation groove 302. The push rod 304 is located at the position of the rotation groove 302. The sleeve 6 is rotatably sleeved, and the side wall of the sleeve 6 slides and abuts against the side wall of the rotation groove 302. The first connecting rod 7 is fixedly provided on the side wall of the sleeve 6. The first connecting rod 7 is rotatably provided in a plane perpendicular to the push rod 304. In other embodiments, a rotating plate can also be fixedly provided on the side wall of the sleeve 6 and rotatably connected to the first connecting rod 7 via the rotating plate. The rotating plate can increase the degree of freedom of the first connecting rod 7 in the plane and further reduce the influence of the limiting effect.

[0033] Reference Figure 2 and Figure 3 The scraper 4 is connected to a rotating rod 5 on both sides. The rotating rod 5 also has a rotating groove 302, and a sleeve 6 is rotatably installed in the rotating groove 302. Another first connecting rod 7 is connected to the sleeve 6. The first connecting rod 7 connected to the scraper 4 via the sleeve 6 is fixedly provided with a first limit plate 8 at the end away from the sleeve 6. There are two first limit plates 8, which are respectively arranged on both sides of the first connecting rod 7. Both first limit plates 8 are arranged on a plane parallel to the rotating surface of the first connecting rod 7. The first connecting rod 7, which is rotatably connected to the push rod 304, has an end near the first limit plate 8, which extends between the two first limit plates 8 and is rotatably connected to the other first connecting rod 7. The first limit plate 8 abuts against the side wall of the first connecting rod 7. In other embodiments, the first limit plate 8 can also be provided on the other first connecting rod 7.

[0034] The provision of the first limiting plate 8 further restricts the rotational direction of the first connecting rod 7. The force exerted by the sleeve 6 against the sidewalls of the rotational groove 302 reduces the possibility of movement of the scraper 4, effectively alleviating the effect of the slurry on the scraper 4, improving coating stability and product quality. Furthermore, since the first connecting rod 7 is rotatable, after the scraper 4 and the push rod 304 are connected, the first connecting rod 7 rotates, effectively reducing the effect of the connection on the precision of the scraper 4, ensuring that the scraper 4 can fully function, and further improving product precision and quality.

[0035] In addition, the length of the first connecting rod 7 rotatably connected to the push rod 304 is less than the distance from the rotating shaft of the first connecting rod 7 to the top surface of the adsorption platform 1. This arrangement can effectively reduce the interference between the first connecting rod 7 and the adsorption platform 1 during the rotation process, thereby ensuring the normal operation of the device. In order to further reduce the occurrence of interference coating, the rotating rod 5 can be connected to the top of the side wall of the scraper 4.

[0036] In the embodiment of the present application, the push rod 304 moves and the first connecting rod 7 rotates relatively. After the push rod 304 moves to contact the scraper 4, the scraper 4 moves under the action of the push rod 304. When there are particles in the slurry and a force is applied to the scraper 4, the scraper 4 tends to move along the length direction of the push rod 304. Since the first limiting plate 8 has a limiting effect on the first connecting rod 7, the deviation of the scraper 4 is prevented. At the same time, since the first connecting rod 7 is rotatable, the impact on the scraper 4 is small, which effectively ensures that the scraper 4 functions normally and improves product quality.

[0037] Example 2

[0038] A pole piece coating device, which is different from Example 1 in that Figure 4 The end of the first connecting rod 7 away from the sleeve 6 is rotatably connected to the connecting rod assembly 9, which includes a second connecting rod 901. In the embodiment of the present application, there is a single second connecting rod 901, and both ends of the second connecting rod 901 are respectively connected to the ends of the two first connecting rods 7 away from the sleeve 6. In other embodiments, the connecting rod assembly 9 can be provided as a plurality of second connecting rods 901 connected end to end according to actual usage, and the ends of the second connecting rod 901 are respectively rotatably connected to the first connecting rod 7.

[0039] Reference Figure 4 A second limiting plate 902 is provided at one end of the second connecting rod 901. The second limiting plates 902 are also provided on both sides of the second connecting rod 901, and the installation plane of the second limiting plates 902 is flush with the installation plane of the first limiting plates 8. The side walls of the second limiting plates 902 abut against the side walls of the first connecting rod 7. In other embodiments, when multiple second connecting rods 901 are provided, the second limiting plates 902 abut against the side walls of the second connecting rods 901 at the locations where the second connecting rods 901 are connected end to end.

[0040] Example 3

[0041] A pole piece coating device, which is different from Example 1 in that Figure 5 The sleeve 6 is provided with a first connector 101, and the connecting end of the first connecting rod 7 and the sleeve 6 is provided with a second connector 102. The first connector 101 and the second connector 102 are an interference fit connector and socket. After selecting a scraper 4 of corresponding specifications, the scraper 4 is placed on the top surface of the adsorption platform 1. After the first connecting rod 7 and the sleeve 6 are connected via the first connector 101 and the second connector 102, since the first connecting rod 7 can rotate in the vertical direction, the vertical impact on the scraper 4 is relatively small, thereby effectively reducing the impact on coating accuracy and improving product quality.

[0042] Example 4

[0043] A pole piece coating device, which is different from Example 1 in that Figure 6 The push rod 304 is provided with a sliding sleeve with a rotating bearing 11, which is provided with a locking member 12. In the embodiment of the present application, the inner retaining ring of the rotating bearing 11 is longer than the outer retaining ring. The locking member 12 is a screw threadedly connected to the inner retaining ring of the rotating bearing 11. The locking member 12 is located at a position where the inner retaining ring protrudes from the outer retaining ring. The sleeve 6 is connected to the outer rotating ring of the rotating bearing 11. When using scrapers 4 of different specifications and sizes, the operator can adjust the position of the rotating bearing 11 by separating the screw from the push rod 304, sliding it to the corresponding position, and then rotating the screw to tighten it against the push rod 304, thereby improving the applicability of the device.

[0044] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Any technician familiar with this patent can make some changes or modifications to equivalent embodiments with equivalent changes using the above-mentioned technical contents without departing from the scope of the technical solution of the present invention. The implementation schemes in the above embodiments can also be further combined or replaced. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the solution of the present invention.

Claims

1. A pole piece coating device, characterized in that: The invention comprises an adsorption platform (1), a scraper (4) arranged to move along the surface of the adsorption platform (1), and a pushing assembly (3) for providing a driving force for the scraper (4), wherein the pushing assembly (3) comprises a push rod (304), wherein the push rod (304) applies a force to the scraper (4), wherein the push rod (304) and the scraper (4) are both rotatably connected to a first connecting rod (7), wherein the first connecting rod (7) is rotatably connected to one end away from the push rod (304) or the scraper (4) or is rotatably connected via a connecting rod assembly (9), and wherein the first connecting rod (7) moves in the same plane; and during the rotation of the first connecting rod (7), the displacement of the scraper (4) along the length direction of the push rod is 0.

2. The electrode coating device according to claim 1, characterized in that: The first connecting rod (7) is rotatably connected to one end away from the end connected to the push rod (304) or the scraper (4), and first limiting plates (8) are provided on both sides of one end of the first connecting rod (7) close to the other first connecting rod (7). The first limiting plates (8) are provided on a plane parallel to the rotation plane of the first connecting rod (7) and abut against the side wall of the other first connecting rod (7).

3. The electrode coating device according to claim 2, characterized in that: The first connecting rod (7) is rotatably connected to one end of the first connecting rod (7) away from the end connected to the push rod (304) or the scraper (4) through a connecting rod assembly (9). The connecting rod assembly (9) includes a second connecting rod (901) that is rotatably connected to the first connecting rod (7).

4. The electrode coating device according to claim 3, characterized in that: The second connecting rod (901) is provided with second limiting plates (902) on both sides of one end thereof. The second limiting plates (902) are provided on a plane parallel to the rotation plane of the first connecting rod (7). The second limiting plates (902) abut against the side walls of the first connecting rod (7) or the second connecting rod (901).

5. The electrode coating device according to claim 1, characterized in that: The invention comprises a sleeve (6), wherein the sleeve (6) is rotatably arranged on the scraper (4) and / or the push rod (304), and the first connecting rod (7) is connected to the sleeve (6) and is rotatably connected to the scraper (4) or the push rod (304) through the sleeve (6).

6. The electrode coating device according to claim 5, characterized in that: Rotating rods (5) are provided on both sides of the scraper (4), and the sleeve (6) is rotatably arranged on the rotating rods (5).

7. The electrode coating device according to claim 6, characterized in that: The sleeve (6) is embedded in the rotating rod (5) and / or the push rod (304).

8. The electrode coating device according to claim 6, characterized in that: A rotating bearing (11) is slidably provided on the rotating rod (5) and / or the push rod (304), the sleeve (6) is rotatably provided on the rotating rod (5) and / or the push rod (304) via the rotating bearing (11), and a locking member (12) for limiting the position of the rotating bearing (11) is provided on the rotating bearing (11).

9. The electrode coating device according to any one of claims 5 to 8, characterized in that: The invention also includes a plug-in assembly (10), wherein the plug-in assembly (10) includes a first plug-in component (101) and a second plug-in component (102) that are matched with each other, wherein the first plug-in component (101) is arranged on the sleeve (6), and the second plug-in component (102) is arranged on an end of the first connecting rod (7) close to the sleeve (6).

10. The electrode coating device according to any one of claims 5 to 8, characterized in that: The sleeve (6) and the first connecting rod (7) are rotatably connected.

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