Mixing device for lithium battery electrolyte protection glue
By designing a mixing device that includes stirring, conveying, and filtering components, the problem of impurities being mixed into the protective adhesive of lithium battery electrolyte during the mixing process was solved, achieving efficient filtration and purification of the protective adhesive raw materials and improving the stability of use.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-03-10
AI Technical Summary
The existing lithium battery electrolyte protective adhesive is prone to impurities being mixed in during the mixing process, which leads to reduced stability during use.
A mixing device including a stirring mechanism, a conveying mechanism, and a filtration component was designed to ensure the purity of the protective adhesive raw material through stirring, heating, melting, and filtration purification.
It achieves efficient filtration and purification of protective adhesive raw materials, avoids the reaction of impurities with electrolyte, and improves the stability of protective adhesive in use.
Smart Images

Figure CN223980387U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electrolyte protection glue technical field especially relates to a lithium battery electrolyte protection glue mixing device. BACKGROUND
[0002] Lithium battery electrolyte protection glue is the key material in lithium battery manufacturing, which is used to ensure the sealing and safety of the battery. In the battery manufacturing process, the protection glue is used to seal the aluminum plastic film outer package to prevent electrolyte leakage and protect the battery cell, protection plate and wire head from causing line failure due to vibration, friction or collision.
[0003] During the production of electrolyte protection glue, a mixing device is needed to mix and melt the raw materials. The cleanliness of the protection glue is very high. If there are impurities in the protection glue, the impurities will react with the electrolyte, causing the protection glue to fail and greatly reducing the use stability. UTILITY MODEL CONTENTS
[0004] In view of the deficiencies of the prior art, the utility model provides a lithium battery electrolyte protection glue mixing device to solve the problems in the background art.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A lithium battery electrolyte protection glue mixing device, comprising a fixed platform, the bottom surface of the fixed platform is fixedly connected with a support column, the top surface of the fixed platform is fixedly connected with a fixed seat, the inner wall of the fixed seat is fixedly connected with a heating rod, the inner wall of the fixed seat is fixedly connected with a conveying pipe, the inner wall of the conveying pipe is fixedly connected with a connecting pipe, the inner wall of the connecting pipe is fixedly connected with a solenoid valve, the feeding end of the connecting pipe is fixedly connected with a mixing tank, the inner wall of the mixing tank is fixedly connected with a feeding pipe, the inside of the mixing tank is provided with a stirring mechanism, the top surface of the mixing tank is provided with a driving assembly, the left side of the conveying pipe is provided with a conveying mechanism, and the bottom surface of the conveying pipe is provided with a filtering assembly.
[0007] Preferably, the stirring mechanism is composed of a rotating shaft and a stirring rod, the rotating shaft is rotatably connected with the inner wall of the mixing tank, and the stirring rod is fixedly connected with the surface of the rotating shaft.
[0008] Preferably, the driving assembly is composed of a first servo motor, a worm and a worm gear, the first servo motor is fixedly connected with the top surface of the mixing tank, the worm is fixedly connected with the output end of the first servo motor, the inner wall of the worm gear is fixedly connected with the surface of the rotating shaft, and the inner wall of the worm gear is engaged with the worm.
[0009] Preferably, the conveying mechanism consists of a second servo motor and a rotary feeder. The second servo motor is fixedly connected to the left side of the conveying pipe, and the output end of the second servo motor is rotatably connected to the inner wall of the conveying pipe. The rotary feeder is rotatably connected to the inner wall of the conveying pipe, and the rotary feeder is fixedly connected to the output end of the second servo motor.
[0010] Preferably, the filter assembly comprises a connecting ring, a filter screen, a filter membrane, a hook plate, and a latch lock. The connecting ring overlaps with the bottom surface of the conveying pipe, the filter screen is fixedly connected to the top surface of the connecting ring, and the surface of the filter screen is slidably connected to the inner wall of the conveying pipe. The filter membrane is fixedly connected to the top surface of the filter screen, the hook plate is fixedly connected to the surface of the conveying pipe, and the latch lock is fixedly connected to the top surface of the connecting ring, and the latch lock overlaps with the inner wall of the hook plate.
[0011] Preferably, the fixing base is rectangular and made of metal.
[0012] Preferably, there are multiple hook plates, and all of the hook plates are located on the surface of the conveying pipe.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This mixing device for lithium battery electrolyte protective adhesive feeds the protective adhesive raw material into the mixing tank through the feed pipe, starts the drive component to drive the stirring mechanism to rotate and mix the raw material, opens the solenoid valve to send the raw material into the conveying pipe through the connecting pipe, starts the heating rod to melt the raw material through the fixed seat and the conveying pipe, starts the conveying mechanism to transport the raw material out, and filters the impurities in the raw material through the filter component; it achieves the goal of facilitating the filtration and purification of the mixed and melted protective adhesive raw material, and avoids the problem that when there are impurities in the protective adhesive raw material, the impurities will react with the electrolyte, thereby greatly reducing the stability of the protective adhesive. Attached Figure Description
[0014] Figure 1 This is an isometric drawing of the structure of this utility model;
[0015] Figure 2 This is an enlarged view of the structure at point A of this utility model;
[0016] Figure 3 This is an enlarged view of the structure at point B of this utility model;
[0017] Figure 4 This is a cross-sectional view of the structure of this utility model;
[0018] Figure 5 This is an enlarged view of the structure at point C of this utility model.
[0019] In the diagram: 1. Fixed platform; 2. Support column; 3. Fixed base; 4. Heating rod; 5. Conveying pipe; 6. Connecting pipe; 7. Solenoid valve; 8. Mixing tank; 9. Feed pipe; 10. Rotating shaft; 11. Stirring rod; 12. First servo motor; 13. Worm gear; 14. Worm wheel; 15. Second servo motor; 16. Rotary feeder; 17. Connecting ring; 18. Filter screen; 19. Filter membrane; 20. Hook plate; 21. Fastener. Detailed Implementation
[0020] 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.
[0021] Reference Figures 1-5 A mixing device for lithium battery electrolyte protective adhesive includes a fixed platform 1, a support column 2 fixedly connected to the bottom surface of the fixed platform 1, and a fixed seat 3 fixedly connected to the top surface of the fixed platform 1. The fixed seat 3 is rectangular and made of metal, which provides greater strength and thermal conductivity, facilitating heat transfer for raw material melting. A heating rod 4 is fixedly connected to the inner wall of the fixed seat 3, a conveying pipe 5 is fixedly connected to the inner wall of the fixed seat 3, a connecting pipe 6 is fixedly connected to the inner wall of the conveying pipe 5, a solenoid valve 7 is fixedly connected to the inner wall of the connecting pipe 6, a mixing tank 8 is fixedly connected to the inlet end of the connecting pipe 6, a feeding pipe 9 is fixedly connected to the inner wall of the mixing tank 8, a stirring mechanism is installed inside the mixing tank 8, a drive assembly is installed on the top surface of the mixing tank 8, a conveying mechanism is installed on the left side of the conveying pipe 5, and a [missing information - likely a design feature] is installed on the bottom surface of the conveying pipe 5. A filter assembly is provided, consisting of a connecting ring 17, a filter screen 18, a filter membrane 19, hook plates 20, and latches 21. Multiple hook plates 20 are located on the surface of the conveying pipe 5 and are used to connect multiple latches 21, improving the installation stability of the connecting ring 17. The connecting ring 17 overlaps with the bottom surface of the conveying pipe 5. The filter screen 18 is fixedly connected to the top surface of the connecting ring 17, and the surface of the filter screen 18 is slidably connected to the inner wall of the conveying pipe 5. The filter membrane 19 is fixedly connected to the top surface of the filter screen 18. The hook plates 20 are fixedly connected to the surface of the conveying pipe 5. The latches 21 are fixedly connected to the top surface of the connecting ring 17, and the latches 21 overlap with the inner wall of the hook plates 20. This is used to filter impurities in the liquid raw materials, improving the purity of the protective adhesive production, and facilitating disassembly for impurity cleaning.
[0022] Specifically, the stirring mechanism consists of a rotating shaft 10 and a stirring rod 11. The rotating shaft 10 is rotatably connected to the inner wall of the mixing tank 8, and the stirring rod 11 is fixedly connected to the surface of the rotating shaft 10. The driving assembly consists of a first servo motor 12, a worm gear 13, and a worm wheel 14. The first servo motor 12 is fixedly connected to the top surface of the mixing tank 8, the worm gear 13 is fixedly connected to the output end of the first servo motor 12, and the inner wall of the worm wheel 14 is fixedly connected to the surface of the rotating shaft 10, and the inner wall of the worm wheel 14 meshes with the worm gear 13. By driving the stirring mechanism to rotate through the driving assembly, the protective adhesive raw materials can be mixed and stirred, thus improving the mixing efficiency of the raw materials.
[0023] Specifically, the conveying mechanism consists of a second servo motor 15 and a vortex feeder 16. The second servo motor 15 is fixedly connected to the left side of the conveying pipe 5, and the output end of the second servo motor 15 is rotatably connected to the inner wall of the conveying pipe 5. The vortex feeder 16 is rotatably connected to the inner wall of the conveying pipe 5, and the vortex feeder 16 is fixedly connected to the output end of the second servo motor 15. It is used to convey the movement of liquid raw materials and facilitates the increase of liquid pressure for filtration.
[0024] All electrical components mentioned in this article are connected to an external main controller and 220V AC mains power, and the main controller can be a conventional known device such as a computer that can control it.
[0025] In use: First, the protective adhesive raw material is fed into the mixing tank 8 through the feed pipe 9. The first servo motor 12 is started to drive the worm gear 13 to rotate. Through the meshing of the worm gear 13 and the worm wheel 14, the rotating shaft 10 and the stirring rod 11 are driven to rotate along the inner wall of the mixing tank 8 to stir and mix the raw material. The solenoid valve 7 is opened and the mixed raw material is sent into the conveying pipe 5 through the connecting pipe 6. The heating rod 4 is started to heat the conveying pipe 5 through the fixed seat 3, so that the raw material is melted into a liquid state. The second servo motor 15 is started to drive the vortex feeder 16 to rotate along the inner wall of the conveying pipe 5, so that the liquid raw material can be conveyed. After the raw material is discharged through the discharge end of the conveying pipe 5, it comes into contact with the filter membrane 19. The conveying pressure generated by the rotation of the vortex feeder 16 on the liquid raw material drives the raw material to pass down through the filter membrane 19 and the filter screen plate 18 to filter the impurities in the raw material. When a lot of impurities are filtered out, the latch lock 21 is unlocked and disengaged from the hook plate 20. The connecting ring 17 is driven downward to drive the filter screen plate 18 and the filter membrane 19 to slide off the conveying pipe 5, so that the filtered impurities can be cleaned up.
[0026] In summary, this mixing device for lithium battery electrolyte protective adhesive allows the protective adhesive raw material to be fed into the mixing tank 8 through the feed pipe 9. The drive assembly drives the stirring mechanism to rotate and mix the raw material. The solenoid valve 7 opens, and the raw material is fed into the conveying pipe 5 through the connecting pipe 6. The heating rod 4 melts the raw material through the fixed seat 3 and the conveying pipe 5. The conveying mechanism then discharges the raw material. Impurities in the raw material can be filtered through the filter assembly. This achieves the goal of facilitating the filtration and purification of the mixed and melted protective adhesive raw material, avoiding the problem that impurities in the protective adhesive raw material will react with the electrolyte, thus greatly reducing the stability of the protective adhesive. This device addresses the problems mentioned in the background art.
[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0028] Although embodiments of the present invention have been shown and described, 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 lithium battery electrolyte protective glue mixing device comprising a fixed platform (1), characterized in that, The bottom surface of the fixed platform (1) is fixedly connected with a support column (2), the top surface of the fixed platform (1) is fixedly connected with a fixed seat (3), the inner wall of the fixed seat (3) is fixedly connected with a heating rod (4), the inner wall of the fixed seat (3) is fixedly connected with a conveying pipe (5), the inner wall of the conveying pipe (5) is fixedly connected with a connecting pipe (6), the inner wall of the connecting pipe (6) is fixedly connected with a solenoid valve (7), the feed inlet end of the connecting pipe (6) is fixedly connected with a mixing tank (8), the inner wall of the mixing tank (8) is fixedly connected with a feed pipe (9), the mixing tank (8) is internally provided with a stirring mechanism, the top surface of the mixing tank (8) is provided with a driving assembly, the left side of the conveying pipe (5) is provided with a conveying mechanism, and the bottom surface of the conveying pipe (5) is provided with a filtering assembly.
2. The mixing device for lithium battery electrolyte protective glue according to claim 1, characterized in that, The stirring mechanism is composed of a rotating shaft (10) and a stirring rod (11), the rotating shaft (10) is rotatably connected with the inner wall of the mixing tank (8), and the stirring rod (11) is fixedly connected with the surface of the rotating shaft (10).
3. The mixing device for lithium battery electrolyte protective glue according to claim 1, characterized in that, The driving assembly is composed of a first servo motor (12), a worm (13) and a worm gear (14), the first servo motor (12) is fixedly connected with the top surface of the mixing tank (8), the worm (13) is fixedly connected with the output end of the first servo motor (12), the inner wall of the worm gear (14) is fixedly connected with the surface of the rotating shaft (10), and the inner wall of the worm gear (14) is engaged with the worm (13).
4. The mixing device for lithium battery electrolyte protective glue according to claim 1, characterized in that, The conveying mechanism is composed of a second servo motor (15) and a material rotating device (16), the second servo motor (15) is fixedly connected with the left side of the conveying pipe (5), the output end of the second servo motor (15) is rotatably connected with the inner wall of the conveying pipe (5), the material rotating device (16) is rotatably connected with the inner wall of the conveying pipe (5), and the output end of the material rotating device (16) is fixedly connected with the second servo motor (15).
5. The mixing device for lithium battery electrolyte protective glue according to claim 1, characterized in that, The filtering assembly is composed of a connecting ring (17), a filter screen plate (18), a filter membrane (19), a hook plate (20) and a hasp lock (21), the connecting ring (17) is overlapped with the bottom surface of the conveying pipe (5), the filter screen plate (18) is fixedly connected with the top surface of the connecting ring (17), the surface of the filter screen plate (18) is slidably connected with the inner wall of the conveying pipe (5), the filter membrane (19) is fixedly connected with the top surface of the filter screen plate (18), the hook plate (20) is fixedly connected with the surface of the conveying pipe (5), the hasp lock (21) is fixedly connected with the top surface of the connecting ring (17), and the hasp lock (21) is overlapped with the inner wall of the hook plate (20).
6. The mixing device for lithium battery electrolyte protective glue according to claim 1, characterized in that, The fixed seat (3) is in a rectangular shape and is made of a metal material.
7. The mixing device for lithium battery electrolyte protective glue according to claim 5, characterized in that, The number of the hook plates (20) is multiple, and the multiple hook plates (20) are located on the surface of the conveying pipe (5).