Multi-roller automatic feeding and coating device
By introducing a stirring mechanism and a heating tube into the coating device, the problems of slurry sedimentation and uneven temperature were solved, achieving uniform stirring and temperature control of the slurry and improving the coating quality.
Patent Information
- Application Number
- CN202423156887.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-20
AI Technical Summary
In existing coating devices, the electrode slurry is prone to sedimentation, flocculation and aggregation during the coating process, resulting in inconsistent slurry temperature and affecting coating quality.
A multi-roller automatic feeding coating device was designed, which includes a stirring mechanism and a heating tube. The stirring blades stir and heat the slurry to ensure the fluidity and temperature consistency of the slurry.
It effectively prevents slurry settling and flocculation, ensures uniform slurry temperature, and improves coating quality.
Smart Images
Figure CN223717513U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to lithium ion battery processing technical field, concretely relates to a kind of multi-roll automatic feeding coating device. BACKGROUND
[0002] Lithium ion battery is a kind of chargeable battery that can cycle lithium ions to embed and extract between positive and negative, and is widely used in mobile devices, electric vehicles and energy storage systems and other fields;Therefore, in order to ensure the mechanical strength and stability of lithium ion battery, active material needs to be evenly coated on the positive and negative electrodes of lithium ion battery, so as to form good adhesion between active material and electrode substrate, improve the energy density and cycle life of battery.
[0003] In the process of lithium battery processing, electrode slurry needs to be prepared, and active material, adhesive and other components are mixed and stirred to form electrode slurry. After mixing and stirring, the electrode slurry needs to be evenly coated on aluminum foil or copper foil sheet and other electrode materials using coating device. However, the electrode slurry in the existing coating device is generally located in the storage tank during the process. The electrode slurry in the storage tank cannot flow well during the entire coating process, which may cause the electrode slurry to settle, flocculate and aggregate, resulting in large particles, which may greatly affect the subsequent coating process. At the same time, when the ambient temperature is low, the temperature of the slurry near the side wall of the storage tank is not consistent with the temperature of the slurry in the middle, which directly leads to inconsistent slurry viscosity, affecting the quality of coating. UTILITY MODEL CONTENTS
[0004] The utility model aims to solve the above problems and provide a kind of multi-roll automatic feeding coating device with simple structure and reasonable design.
[0005] The utility model achieves the above-mentioned purposes by the following technical solutions:
[0006] A kind of multi-roll automatic feeding coating device, including workbench and support leg installed at four corners of the bottom of workbench, the top of workbench is installed with support, the inside of support is installed with coating mechanism, the bottom surface of workbench is installed with storage tank, the inside of storage tank is installed with stirring mechanism, the stirring mechanism includes first rotating rod rotationally connected in storage tank and two second rotating rods located at the two sides of first rotating rod, a plurality of first stirring blades are installed on the outside of first rotating rod, a plurality of second stirring blades are installed on the outside of second rotating rod, which are staggered with a plurality of first stirring blades, the first rotating rod and two second rotating rods all extend to the outside of storage tank, a first gear is installed on the outside of first rotating rod, a second gear is installed on the outside of two second rotating rods, which is engaged with first gear, heating pipe is installed on the inner wall of both sides of storage tank.
[0007] As a further optimization scheme of the utility model, the coating mechanism includes two rotating rods rotatably connected in the support, and two coating rollers installed outside the two rotating rods, two strip-shaped tubes are installed in the inside of the support, the two coating rollers are located between the two strip-shaped tubes, and nozzles are installed on the side of the two strip-shaped tubes close to the coating rollers.
[0008] As a further optimization scheme of the utility model, a suction pump is installed on one side of the storage tank, the inlet of the suction pump is communicated with the bottom of the storage tank through a liquid inlet pipe, a liquid outlet pipe extending to one side of the support is installed on the outlet of the suction pump, and two connecting pipes communicated with the strip-shaped tubes are installed on one side of the liquid outlet pipe.
[0009] As a further optimization scheme of the utility model, a rotary motor driving one of the rotating rods to rotate is installed on one side of the support, the two rotating rods are extended to the outside of the support and are provided with third gears meshing with each other, and one of the rotating rods is connected with the first rotating rod through a belt drive.
[0010] As a further optimization scheme of the utility model, guide mechanisms are installed on both sides of the support on the top of the workbench, the guide mechanisms include two fixed plates installed on the top of the workbench, and two guide rollers rotatably connected between the two fixed plates.
[0011] As a further optimization scheme of the utility model, a feeding mechanism is installed on one side of one of the guide mechanisms on the top of the workbench, the feeding mechanism includes two mounting plates installed on the top of the workbench, a conveying roller rotatably connected between the two mounting plates, and a driving motor installed on one side of one of the mounting plates and used for driving the conveying roller to rotate.
[0012] The utility model discloses the process of coating can be stirred to the slurry in the inside of the storage tank, and the heating pipe can heat the slurry, not only prevents the slurry from appearing the phenomenon such as settlement, flocculation and aggregation, and the condition of producing large particles, but also ensures that the slurry temperature is consistent, the viscosity is stable, and the quality of coating is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the first overall structure schematic diagram of the utility model;
[0014] Figure 2 It is the second overall structure schematic diagram of the utility model;
[0015] Figure 3 It is the cross section structure schematic diagram of the storage tank of the utility model;
[0016] Figure 4 It is the utility model Figure 1An enlarged structural schematic view at A in the middle;
[0017] Figure 5 The utility model discloses Figure 2 An enlarged structural schematic view at B in the middle.
[0018] In the figure: 1, workbench;2, support;3, storage box;4, first rotary rod;5, second rotary rod;6, first stirring blade;7, second stirring blade;8, first gear;9, second gear;10, rotary rod;11, coating roller;12, strip tube;13, spray head;14, extraction pump;15, liquid outlet pipe;16, connecting pipe;17, third gear;18, fixed plate;19, guide roller;20, mounting plate;21, conveying roller;22, heating pipe. DETAILED DESCRIPTION
[0019] The following further describes the present application in detail with reference to the drawings. It is necessary to point out here that the following detailed description is only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application according to the above application content.
[0020] As Figure 1 - Figure 5 A multi-roller automatic feeding coating device is shown in the figure, which comprises a workbench 1 and support legs installed at the bottom of four corners of the workbench 1, a support 2 is installed on the top of the workbench 1, a coating mechanism is installed inside the support 2, the coating mechanism comprises two rotary rods 10 rotatably connected inside the support 2 and two coating rollers 11 installed outside the two rotary rods 10, two strip tubes 12 are installed inside the support 2, the two coating rollers 11 are located between the two strip tubes 12 and are oppositely arranged with the two coating rollers 11, the side of the two strip tubes 12 close to the coating rollers 11 is each installed with a spray head 13, a storage box 3 is installed on the bottom surface of the workbench 1, an extraction pump 14 is installed on one side of the storage box 3, the inlet of the extraction pump 14 is communicated with the bottom of the storage box 3 through a liquid inlet pipe, the outlet of the extraction pump 14 is installed with a liquid outlet pipe 15 extending to one side of the support 2, one side of the liquid outlet pipe 15 is installed with two connecting pipes 16 communicated with the strip tubes 12;
[0021] The inside of the storage box 3 is provided with a stirring mechanism, which comprises a first rotating rod 4 rotatably connected in the storage box 3 and two second rotating rods 5 located on both sides of the first rotating rod 4. The first rotating rod 4 is externally provided with a plurality of first stirring blades 6, and the second rotating rod 5 is externally provided with a plurality of second stirring blades 7 staggered with the plurality of first stirring blades 6. The first rotating rod 4 and the two second rotating rods 5 all extend to the outside of the storage box 3. The first rotating rod 4 is externally provided with a first gear 8, and the two second rotating rods 5 are externally provided with second gears 9 meshing with the first gear 8. The two side inner walls of the storage box 3 are both provided with heating pipes 22. One side of the support 2 is provided with a rotating motor driving one of the two rotating rods 10 to rotate. The two rotating rods 10 both extend to the outside of the support 2 and are provided with third gears 17 meshing with each other. One of the two rotating rods 10 is drivingly connected with the first rotating rod 4 through a belt transmission mechanism.
[0022] The top of the workbench 1 is provided with guide mechanisms located on both sides of the support 2. The guide mechanism comprises two fixed plates 18 installed on the top of the workbench 1 and two guide rollers 19 rotatably connected between the two fixed plates 18. The top of the workbench 1 is provided with a feeding mechanism located on one side of one of the guide mechanisms. The feeding mechanism comprises two mounting plates 20 installed on the top of the workbench 1 and a conveying roller 21 rotatably connected between the two mounting plates 20. A driving motor is installed on one side of one of the mounting plates 20 for driving the conveying roller 21 to rotate. When coating, the aluminum foil wound outside the conveying pipe 21 passes between the two guide rollers 19 and passes between the two coating rollers 11, and finally passes out between the other two guide rollers 19. During the coating process, the driving motor drives the conveying roller 21 to rotate, thereby performing the winding and unwinding work.
[0023] It should be noted that when coating, the rotating motor drives one of the two rotating rods 10 to rotate. Under the action of the belt transmission mechanism and the two third gears 17, the two rotating rods 10 and the first rotating rod 4 rotate. At the same time, the suction pump 14 draws the slurry in the storage box 3 into the outlet pipe 15. The slurry in the outlet pipe 15 is divided into the two strip-shaped pipes 12 through the two connecting pipes 16, and then sprayed on the coating roller 11 through the plurality of nozzles 13. When the coating roller 11 rotates, the slurry is applied to the aluminum foil. When the first rotating rod 4 rotates, the first gear 8 rotates. Under the meshing of the first gear 8 and the two second gears 9, the two second rotating rods 5 rotate, thereby making the plurality of first stirring blades 6 and the plurality of second stirring blades 7 rotate, so that the slurry in the storage box 3 can be stirred. During the stirring process, the heating pipes 22 heat the slurry in the storage box 3. The slurry is heated during the stirring process to ensure that the temperature of the slurry is consistent, thereby ensuring the stability of the viscosity of the slurry.
[0024] The above embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application.
Claims
1. A multi-roller automatic feeding and coating device, comprising a workbench (1) and support legs installed at the bottom of the four corners of the workbench (1), characterized in that, The top of the workbench (1) is provided with a support (2), the inside of the support (2) is provided with a coating mechanism, the bottom of the workbench (1) is provided with a storage box (3), the inside of the storage box (3) is provided with a stirring mechanism, the stirring mechanism comprises a first rotating rod (4) rotatably connected in the storage box (3) and two second rotating rods (5) located on the two sides of the first rotating rod (4), a plurality of first stirring blades (6) are installed on the outside of the first rotating rod (4), a plurality of second stirring blades (7) are installed on the outside of the second rotating rod (5) and staggered with the plurality of first stirring blades (6), the first rotating rod (4) and the two second rotating rods (5) extend to the outside of the storage box (3), a first gear (8) is installed on the outside of the first rotating rod (4), a second gear (9) meshing with the first gear (8) is installed on the outside of the two second rotating rods (5), and heating pipes (22) are installed on the inner walls of the two sides of the storage box (3).
2. The multi-roll automatic feeding and coating device according to claim 1, characterized in that: The coating mechanism comprises two rotating rods (10) rotatably connected in the support (2) and two coating rollers (11) installed on the outside of the two rotating rods (10), the inside of the support (2) is provided with two strip-shaped pipes (12), the two coating rollers (11) are located between the two strip-shaped pipes (12), and the sides of the two strip-shaped pipes (12) close to the coating rollers (11) are provided with spray heads (13).
3. The multi-roll automatic feeding and coating device according to claim 2, characterized in that: One side of the storage box (3) is provided with a suction pump (14), the inlet of the suction pump (14) is communicated with the bottom of the storage box (3) through a liquid inlet pipe, the outlet of the suction pump (14) is provided with a liquid outlet pipe (15) extending to one side of the support (2), and the side of the liquid outlet pipe (15) is provided with two connecting pipes (16) communicated with the strip-shaped pipes (12).
4. The multi-roll automatic feeding and coating device according to claim 1, characterized in that: One side of the support (2) is provided with a rotating motor for driving one of the rotating rods (10) to rotate, one end of the two rotating rods (10) extends to the outside of the support (2) and is provided with third gears (17) meshing with each other, and one of the rotating rods (10) is in transmission connection with the first rotating rod (4) through a belt.
5. The multi-roll automatic feeding and coating device according to claim 1, characterized in that: The top of the workbench (1) is provided with guide mechanisms located on the two sides of the support (2), the guide mechanisms comprise two fixed plates (18) installed on the top of the workbench (1) and two guide rollers (19) rotatably connected between the two fixed plates (18).
6. The multi-roll automatic feeding and coating device according to claim 1, characterized in that: The top of the workbench (1) is provided with a feeding mechanism located on one side of one of the guide mechanisms, the feeding mechanism comprises two mounting plates (20) installed on the top of the workbench (1), a conveying roller (21) rotatably connected between the two mounting plates (20) and a driving motor installed on one side of one of the mounting plates (20) and used for driving the conveying roller (21) to rotate.