Coating equipment for lithium battery processing

Abstract

The utility model discloses coating equipment for lithium battery processing, which comprises a coating equipment main body, the coating equipment main body comprises a base, a bracket is fixedly arranged at the middle position of the upper surface of the base, an air cylinder is fixed at the top end of the bracket through a fixing bolt, a coating head is arranged in the bracket, and the coating head is arranged on the base. A coating roller is arranged on the lower surface of the coating head; by designing a protection mechanism, when the coating equipment body is not used and placed after coating treatment, a sliding block slides in a sliding groove to move a protection cover downwards till the end of a feeding pipe is embedded into the protection cover to make contact with the surface of protection cotton, and after the protection cover is closed in a sliding mode, the protection cover can be used for protecting the coating equipment body. And a locking bolt is rotated to be embedded into an inner threaded hole to fixedly mount the protective cover, so that the charging pipe is conveniently protected when the charging pipe is placed after use, dust is not easy to enter the charging pipe, and dust is not easy to mix into the slurry when the slurry is used again.

Description

Technical Field

[0001] This utility model belongs to the field of coating equipment technology, specifically relating to a coating equipment for lithium battery processing. Background Technology

[0002] Lithium batteries are batteries that use lithium metal or lithium alloy as the anode material and a non-aqueous electrolyte solution. They mainly rely on the movement of lithium ions between the positive and negative electrodes to work. Lithium battery coating is one of the most important processes in lithium-ion battery manufacturing. Coating is the process of applying the positive or negative electrode slurry required for lithium-ion battery manufacturing to the current collector through coating equipment. The existing coating equipment is used to apply the slurry to the current collector during lithium battery processing and production, which facilitates stable transportation and effective coating after dust removal.

[0003] According to the authorized patent application No. 202321698217.5, which discloses a coating equipment for lithium battery processing, existing coating equipment exposes the top of the feeding tube to the outside after conveying and coating the current collector in lithium battery processing. This exposure makes it easy for dust to enter the tube and is difficult to handle. The dust is directly mixed into the slurry during feeding and coated onto the surface of the current collector, reducing the coating quality. This affects the ease of protecting the feeding tube after coating the current collector in lithium battery production. Therefore, this utility model proposes a coating equipment for lithium battery processing. Utility Model Content

[0004] The purpose of this utility model is to provide a coating equipment for lithium battery processing, in order to solve the problem mentioned in the background art that after the current collector is conveyed and coated in the lithium battery processing production, the top of the feeding pipe is directly exposed to the outside, and the exposed feeding pipe is in contact with the air, making it easy for dust to enter into the interior and difficult to deal with. The dust is directly mixed into the interior of the slurry during feeding and coated onto the surface of the current collector, which reduces the coating quality.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a coating equipment for lithium battery processing, comprising a coating equipment body, the coating equipment body including a base, a bracket fixedly installed at the middle position of the upper surface of the base, a cylinder fixed to the top of the bracket by fixing bolts, a coating head disposed inside the bracket, a coating roller disposed on the lower surface of the coating head, feeding pipes disposed at equal intervals on one side of the coating head, guide rods sliding on both sides of the top of the bracket, the bottom ends of the guide rods being installed to the upper surface of the coating head by fixing bolts, and the coating equipment body also comprising:

[0006] The protective mechanism includes a protective component disposed on the side of the support and located on the upper surface of the feeding pipe. The inner side of the protective component is provided with a sliding adjustment component and the support. The end of the protective component is provided with a fixed mounting component at the connection with the surface of the support.

[0007] A uniform force support mechanism, comprising a uniform force support component disposed on the upper surface of a coating head, wherein a fixed connection component is disposed at the connection between the end of the uniform force support component and the end of the upper surface of the coating head.

[0008] Preferably, both ends of the upper surface of the base are equipped with drive rollers via bearings, both ends of the drive rollers are provided with correction rings, and a dust suction mechanism is provided on one side of the coating head.

[0009] Preferably, the protective component includes a protective cover disposed on one side of the support at the top of the feeding tube, and the inside of the protective cover is fixed with protective cotton by adhesive.

[0010] Preferably, the sliding adjustment assembly includes grooves formed at both ends of the side of the bracket, a slider sliding inside the groove, and the end of the slider being fixed to the inner side of the protective cover by screws.

[0011] Preferably, the fixed installation assembly includes a connecting plate integrally disposed at both ends of the protective cover, the connecting plate having a locking bolt rotated on its internal thread, and the bracket having two internal threaded holes at the top of both sides, with the locking bolt matching the internal structure of the internal threaded holes.

[0012] Preferably, the uniform force support assembly includes a main fixing block fixed to the middle position of the upper surface of the coating head by fixing bolts. Both ends of the main fixing block are integrally provided with supporting inclined plates, and the bottom end of the cylinder is fixedly connected to the upper surface of the main fixing block by fixing bolts.

[0013] Preferably, the fixed connection assembly includes a fixing plate integrally disposed at the end of the supporting inclined plate, the fixing plate having mounting bolts inside, and the fixing plate being rotatably fixed to the upper surface of the coating head by the mounting bolts.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] By designing a protective mechanism, when the coating equipment is not in use after coating, the protective cover can be lowered by sliding a slider inside the chute until the end of the feeding tube is embedded inside the protective cover and contacts the surface of the protective cotton. It is also convenient to slide the protective cover closed and then rotate the locking bolt to embed it into the internal threaded hole to fix the protective cover in place. This facilitates the protection of the feeding tube when it is placed after use, prevents dust from entering the interior, and makes it easier for dust to mix into the slurry when it is reused. This improves the convenience of protecting the feeding tube and the coating quality of the coating equipment after lithium battery processing and production. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the base, support, and coating head structure of this utility model;

[0018] Figure 3 This utility model Figure 1 Enlarged structural diagram of section A;

[0019] Figure 4 This is a cross-sectional structural diagram of the feeding tube, protective cover, and protective cotton of this utility model;

[0020] Figure 5 This is a partial cross-sectional view of the locking bolt, connecting plate, and bracket of this utility model;

[0021] Figure 6 This utility model Figure 2 Enlarged structural diagram of section B;

[0022] In the diagram: 100, main body of the coating equipment; 101, base; 102, bracket; 103, cylinder; 104, guide rod; 105, coating head; 1051, main fixing block; 1052, support inclined plate; 1053, fixing plate; 1054, mounting bolt; 106, feeding pipe; 1061, protective cover; 1062, chute; 1063, slider; 1064, locking bolt; 1065, connecting plate; 1066, protective cotton; 1067, internal threaded hole; 107, transmission roller; 108, correction ring; 109, dust collection mechanism. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1 to 6 This utility model provides a technical solution: a coating equipment for lithium battery processing, including a coating equipment body 100. The coating equipment body 100 includes a base 101. Both ends of the upper surface of the base 101 are equipped with transmission rollers 107 via bearings. Both ends of the transmission rollers 107 are provided with correction rings 108. A dust suction mechanism 109 is provided on one side of the coating head 105 to facilitate the conveying of the current collector driven by the transmission rollers 107 and the correction by the correction rings 108. The dust is also suctioned by the dust suction mechanism 109 before coating. A bracket 102 is fixedly installed at the middle position of the upper surface of the base 101. The top of the bracket 102 is fixed... A cylinder 103 is bolted in place. A coating head 105 is installed inside the support 102. A coating roller is mounted on the lower surface of the coating head 105. Feeding pipes 106 are equidistantly arranged on one side of the coating head 105. Guide rods 104 slide on both sides of the top of the support 102. The bottom ends of the guide rods 104 are fixed to the upper surface of the coating head 105 by bolts. When the current collector is conveyed to the lower surface of the support 102, the slurry enters the coating head 105 through the feeding pipes 106 and is then guided to the surface of the coating roller. The coating roller at the bottom of the coating head 105 contacts the surface of the current collector for coating treatment. The coating equipment body 100 also includes:

[0025] The protective mechanism includes a protective component located on the side of the support 102 on the upper surface of the feeding tube 106. The inner side of the protective component is provided with a sliding adjustment component and the support 102. The end of the protective component is provided with a fixed installation component at the connection with the surface of the support 102. After the coating process, the coating equipment body 100 can be closed and protected by the protective mechanism to prevent dust from entering the interior. It can be reused for high-quality coating.

[0026] In order to facilitate the protection of the feeding tube 106 after coating and prevent dust from entering, in this embodiment, preferably, the protective component includes a protective cover 1061 located on one side of the bracket 102 at the top of the feeding tube 106. The inside of the protective cover 1061 is fixed with protective cotton 1066 by adhesive. After the coating equipment body 100 is used, the protective cover 1061 can be closed at the end of the feeding tube 106 and in contact with the protective cotton 1066 for protection, which is convenient for closed protection and prevents dust from entering when not in use.

[0027] To facilitate the sliding opening and closing of the protective cover 1061 via the sliding adjustment assembly, and to make the sliding adjustment convenient, in this embodiment, preferably, the sliding adjustment assembly includes a slide groove 1062 formed at both ends of the side of the bracket 102. A slider 1063 slides inside the slide groove 1062. The end of the slider 1063 is fixed to the inner side of the protective cover 1061 by screws. The slider 1063 can slide inside the slide groove 1062 to slide and close the protective cover 1061 on the surface of the feeding tube 106 for protection, and conversely, to facilitate the sliding opening operation.

[0028] To facilitate the closing or opening and fixing of the protective cover 1061 using a fixed mounting assembly, in this embodiment, preferably, the fixed mounting assembly includes a connecting plate 1065 integrally disposed at both ends of the protective cover 1061. The connecting plate 1065 has a locking bolt 1064 rotatably threaded inside. The top of both sides of the bracket 102 has two internal threaded holes 1067, and the locking bolt 1064 matches the internal structure of the internal threaded holes 1067. After closing the protective cover 1061 on the surface of the feeding tube 106, rotating the locking bolt 1064 to insert it into the internal threaded hole 1067 fixes the protective cover 1061 to protect the feeding tube 106. Conversely, opening and fixing it is also possible to do so.

[0029] The uniform force support mechanism includes a uniform force support component disposed on the upper surface of the coating head 105. A fixed connection component is provided at the connection between the end of the uniform force support component and the end of the upper surface of the coating head 105. When the coating equipment body 100 is coated with lithium battery current collector, the uniform force support mechanism applies uniform force to the end and middle position of the coating head 105 to move downward to contact the current collector surface for coating treatment, which facilitates uniform coating operation.

[0030] To facilitate uniform force application to the coating head 105 at both ends and the middle position, allowing for even downward movement and contact with the current collector surface via a uniform force support assembly, this embodiment preferably includes a main fixing block 1051 fixed to the middle position of the upper surface of the coating head 105 by fixing bolts. Both ends of the main fixing block 1051 are integrally provided with supporting inclined plates 1052. The bottom end of the cylinder 103 is fixedly connected to the upper surface of the main fixing block 1051 by fixing bolts. The cylinder 103 can be moved downwards, and the main fixing block 1051 applies force to the middle position of the coating head 105, causing it to move downwards. Simultaneously, the supporting inclined plates 1052 apply uniform force to the ends of the coating head 105, facilitating uniform force application to drive the coating roller on the lower surface of the coating head 105 to contact the current collector surface for uniform coating.

[0031] To facilitate the fixed installation of the support ramp 1052 after it is closed using a fixed connection assembly, in this embodiment, preferably, the fixed connection assembly includes a fixing plate 1053 integrally disposed at the end of the support ramp 1052. The fixing plate 1053 is provided with mounting bolts 1054 inside, and the fixing plate 1053 is rotatably fixed to the upper surface of the coating head 105 by the mounting bolts 1054. When the support ramp 1052 is closed at the end of the upper surface of the coating head 105, the mounting bolts 1054 inside the fixing plate 1053 are rotated to fix the support ramp 1052, which is convenient for the support ramp 1052 to be fixedly installed and used for support.

[0032] The working principle and usage process of this utility model: In the coating process of this lithium battery processing equipment, the current collector of the lithium battery is placed on the surface of the transmission roller 107 and limited by the correction ring 108, so that the transmission roller 107 drives the current collector to be transported under the drive of the motor. When it is transported to the lower surface of the support 102, the dust suction mechanism 109 operates to suction the surface of the current collector. Then, the material is injected into the interior of the coating head 105 through the feeding pipe 106 and transported to the lower surface of the support 102. The cylinder 103 drives the coating head 105 to move down, and the coating roller contacts the surface of the current collector for coating process until the coating is transported to the outside through the transmission roller 107 again.

[0033] Then, when the coating equipment body 100 is in the coating process, when the cylinder 103 moves downward, it drives the coating head 105 to be subjected to force and move downward through the main fixing block 1051. At the same time as it moves downward, when it is at the bottom, the cylinder 103 moves downward and at the same time, the support inclined plate 1052 provides stable support for both ends of the coating head 105 to move downward. This makes the lower surface of the coating head 105 evenly subjected to force and contact the coating roller at the middle position to make uniform coating. The coating is more uniform, which improves the uniformity of the coating equipment body 100 in the lithium battery processing and makes it less likely to cause the end force to be weak and reduce the coating effect.

[0034] Finally, when the coating equipment body 100 is not used after coating, the protective cover 1061 can be moved down by sliding the slider 1063 inside the slide groove 1062 until the end of the feeding tube 106 is embedded inside the protective cover 1061 and contacts the surface of the protective cotton 1066. This facilitates the sliding closure of the protective cover 1061, and the rotation of the locking bolt 1064 into the internal threaded hole 1067 to fix the protective cover 1061 in place. This protects the feeding tube 106 when it is placed after use, preventing dust from entering the interior. It also makes it easier for dust to mix into the slurry when it is reused, resulting in more effective coating. This improves the convenience of protecting the feeding tube 106 and the coating quality of the coating equipment body 100 after lithium battery processing and production. During processing and production, the protective cover 1061 can be opened and fixed in place.

[0035] Although embodiments of the present invention have been shown and described (see the detailed description above), it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A coating device for lithium battery processing, comprising a coating device body (100), the coating device body (100) comprises a base (101), a support (102) is fixedly installed at the middle position of the upper surface of the base (101), a gas cylinder (103) is fixed at the top end of the support (102) through a fixing bolt, a coating head (105) is arranged in the inside of the support (102), a coating roller is arranged on the lower surface of the coating head (105), a feeding pipe (106) is equidistantly arranged on one side of the coating head (105), guide rods (104) are slidably arranged on both sides of the top end of the support (102), the bottom end of the guide rod (104) is fixedly installed with the upper surface of the coating head (105) through a fixing bolt, characterized in that: The coating equipment body (100) is also provided with A protection mechanism, and the protection mechanism comprises a protection assembly arranged on the upper surface of the feeding pipe (106) on the side of the support (102), the inner side of the protection assembly is provided with a sliding adjustment assembly with the support (102), and the end of the protection assembly is provided with a fixed mounting assembly at the surface connection position of the support (102). A uniform stress support mechanism, and the uniform stress support mechanism comprises a uniform stress support assembly arranged on the upper surface of the coating head (105), and the end of the uniform stress support assembly is provided with a fixed connection assembly at the end connection position of the upper surface of the coating head (105).

2. The coating apparatus for processing lithium batteries according to claim 1, characterized in that: Both ends of the upper surface of the base (101) are provided with transmission rollers (107) through bearings, both ends of the transmission roller (107) are provided with deviation correction rings (108), and one side of the coating head (105) is provided with a dust collection mechanism (109).

3. The coating apparatus for processing lithium batteries according to claim 1, characterized in that: The protection assembly comprises a protective cover (1061) arranged at the top end of the feeding pipe (106) on one side of the support (102), and the inside of the protective cover (1061) is fixedly provided with protective cotton (1066) through glue.

4. The coating apparatus for processing lithium batteries according to claim 3, characterized in that: The sliding adjustment assembly comprises sliding grooves (1062) opened at both ends of the side of the support (102), and sliding blocks (1063) are slidably arranged in the sliding grooves (1062), and the end of the sliding block (1063) is fixedly connected with the inner side of the protective cover (1061) through screws.

5. The coating apparatus for processing lithium batteries according to claim 3, characterized in that: The fixed mounting assembly comprises a connecting plate (1065) integrally arranged at both ends of the protective cover (1061), a locking bolt (1064) is rotatably arranged in the connecting plate (1065), and two internally threaded holes (1067) are formed at the top ends of the two sides of the support (102), and the internal structure of the locking bolt (1064) and the internally threaded hole (1067) are matched.

6. The coating apparatus for processing lithium batteries according to claim 1, characterized in that: The uniform stress support assembly comprises a main fixed block (1051) fixedly arranged on the upper surface of the coating head (105) at the middle position, both ends of the main fixed block (1051) are integrally provided with support inclined plates (1052), and the bottom end of the air cylinder (103) is fixedly connected with the upper surface of the main fixed block (1051) through fixed bolts.

7. The coating apparatus for processing lithium batteries according to claim 6, characterized in that: The fixed connection assembly comprises a fixed plate (1053) integrally arranged at the end of the support inclined plate (1052), and the inside of the fixed plate (1053) is provided with a mounting bolt (1054), and the fixed plate (1053) and the upper surface of the coating head (105) are rotatably fixed through the mounting bolt (1054).

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