A detachable cleaning structure applied to a mixing device

Abstract

The utility model discloses a detachable cleaning structure for being applied to mixing equipment, the mixing equipment includes mixing jar and upper cover, the cleaning structure includes scraper and with the cooperation of scraper guide rail, the guide rail sets up in the jar mouth of mixing jar, and forms closed track along the circumferential direction of mixing jar, the scraper detachably installed on the guide rail, and scraper includes blade part and handle, the blade part is attached to the inner wall of mixing jar, and can rotate and remove along the guide rail relative mixing jar. This structure is applicable to the cleaning of different fluidity slurry, improves the scraping efficiency, reduces waste liquid discharge, and is especially applicable to the mixing scene of frequent material replacement.

Description

Technical Field

[0001] This utility model relates to the field of mixing equipment technology, and in particular to a detachable and cleanable structure for use in mixing equipment. Background Technology

[0002] Mixing equipment is widely used in the fields of lithium battery materials, coating slurries, conductive adhesives, and water-based or oil-based multi-component formulations to uniformly mix different components. Common mixing equipment typically includes a stirring motor, stirring shaft, stirring paddle, mixing tank, and top cover. Some equipment is also equipped with vacuum devices or heating functions to adapt to the mixing requirements of different materials.

[0003] In practical applications, the physical properties of the slurry inside the mixing tank vary significantly. Some high-viscosity, highly adhesive, or low-water-soluble materials tend to adhere to the inner wall of the tank after mixing, especially at the corners or curved areas at the bottom. Traditional cleaning methods typically rely on repeated rinsing with large amounts of water or organic solvents, which is time-consuming and labor-intensive, generates a large amount of waste liquid, and increases treatment costs and environmental burden.

[0004] To address the aforementioned issues, existing technologies have proposed automated cleaning solutions for the mixing tank by integrating a spray system and a scraping structure inside the tank. For example, a structure is used where a water pump, spray nozzle, and scraper are fixedly connected to the tank cover. A hydraulic device drives the scraper to move vertically along the inner wall of the tank, working in conjunction with spray cleaning to remove residual materials. Such devices reduce manual intervention to some extent and improve cleaning efficiency. However, these integrated automated cleaning devices are generally complex in structure, relying on hydraulic drives and spray systems, resulting in high manufacturing and maintenance costs. Their scraping components are typically rigidly connected, only suitable for mixing tanks of specific sizes and shapes, lacking flexibility. Furthermore, the scraping direction is limited to vertical, making it difficult to fully cover areas prone to material accumulation, such as bottom bends and discharge ports, creating cleaning dead zones. In addition, the overall equipment is highly sealed and has a complex internal structure, making component disassembly inconvenient and hindering rapid replacement or cleaning. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a detachable cleaning structure for mixing equipment. This structure can physically remove the residues on the tank wall of the mixing tank and is suitable for cleaning operations after mixing of highly adhesive or low water-soluble materials, as well as mixing scenarios that require frequent material changes and have high cleanliness requirements.

[0006] The technical solution adopted by this utility model to solve its technical problem is: a detachable cleaning structure applied to a mixing equipment, the mixing equipment including a mixing tank and a top cover, the cleaning structure including a scraper and a guide rail cooperating with the scraper, the guide rail being set at the opening of the mixing tank and forming a closed trajectory along the circumference of the mixing tank; the scraper being detachably installed on the guide rail, the scraper including a blade and a handle, the blade being in contact with the inner wall of the mixing tank and being able to rotate and move relative to the mixing tank along the guide rail.

[0007] Furthermore, the blade of the scraper has a rectangular section that fits into the inner wall of the straight cylindrical section of the mixing tank.

[0008] Optionally, the blade of the scraper is further provided with an arc-shaped section. The arc-shaped section starts from the lower end of the rectangular section, extends continuously along the arc-shaped inner wall of the lower end of the mixing tank, and its end forms a hook-shaped fitting section that extends into the discharge port area of ​​the mixing tank and fits the inner wall of the discharge port.

[0009] Optionally, the blade of the scraper is further provided with an arc-shaped section, which fits against the lower arc-shaped inner wall of the mixing tank, and the rectangular section is connected to the arc-shaped section at an oblique angle.

[0010] Optionally, the guide rail is an annular groove provided on the inner wall of the mixing tank opening, one end of the scraper handle can be embedded in the annular groove and engaged with it, and the other end of the handle is provided with a gripping part protruding outside the tank opening.

[0011] Optionally, the scraper is provided with a groove structure between the handle and the blade for engaging with the upper end of the mixing tank wall. The mixing tank wall is embedded in the groove structure, so that the scraper slides and is positioned along the outside of the mixing tank opening.

[0012] Furthermore, the upper cover of the mixing equipment and the mixing tank are connected by an embedded connection structure with a plug-in fit.

[0013] The beneficial effects of this utility model are:

[0014] (1) This utility model adopts a mechanical scraping structure to replace the traditional solvent rinsing method, which can effectively reduce the dependence on water or organic solvents during the cleaning process and reduce cleaning costs.

[0015] (2) This utility model, through the scraper structure design that fits the contour of the tank wall, can effectively clean the inner wall of the mixing tank, especially the curved corner area, avoid material residue, and make the cleaning more thorough.

[0016] (3) The present invention is equipped with a detachable scraper assembly, which not only facilitates the cleaning of the device itself, but also meets the needs of multiple batch material changes, reducing the risk of cross-contamination.

[0017] (4) This utility model uses physical cleaning to replace high-frequency cleaning, which can significantly reduce the amount of waste liquid discharged and is conducive to achieving environmentally friendly cleaning process. Attached Figure Description

[0018] Figure 1 This is a front view of the mixing equipment to which this utility model applies;

[0019] Figure 2 This is a top view of the mixing tank body to which this utility model applies;

[0020] Figure 3 This is a schematic diagram showing the connection between the top cover of the mixing equipment and the mixing tank to which this utility model applies;

[0021] Figure 4 This is a schematic diagram of the cleaning structure and mixing equipment of this utility model in embodiment 1;

[0022] Figure 5 This is a schematic diagram of embodiment 2 of the cleaning structure and mixing equipment of this utility model;

[0023] Figure 6 This is a schematic diagram of embodiment 3 of the cleaning structure and mixing equipment of this utility model;

[0024] In the figure, 1-scraper; 11-blade; 111-rectangular section; 112-arc section; 113-bow-shaped section; 12-handle; 2-guide rail; 3-mixing tank; 4-top cover; 5-base; 6-discharge port; 7-vacuum device. Detailed Implementation

[0025] The present invention will now be further described with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0026] like Figure 1 As shown, this utility model applies to a mixing device, which includes a mixing tank 3 and a top cover 4. The mixing tank 3 is used to contain the materials to be mixed, and a stirring paddle or other stirring components can be installed inside to mix the materials. The top cover 4 is located on the top of the mixing tank 3. A vacuum device 7 is provided on one side of the top cover 4, which is used to depressurize the inside of the tank for applications requiring mixing in a vacuum environment. A discharge port 6 is located at the lower end of the mixing tank 3, and the discharge port 6 is connected to a valve assembly for discharging the material after mixing. The mixing tank 3 is supported by a base 5, which is installed at the bottom of the equipment to stabilize the structural position of the mixing tank 3.

[0027] like Figure 2The image shows a top view of the mixing tank 3. The inner wall of the mixing tank 3's opening is equipped with an annular guide rail 2 for positioning and installing the detachable scraper 1. This guide rail 2 forms a closed trajectory along the circumference of the mixing tank 3's opening and is structurally an embedded groove.

[0028] like Figure 3 The diagram shows the connection between the mixing equipment cover and the mixing tank. The mixing tank 3 has a guide rail 2 at the upper end of its opening, and the cover 4 has an insert flange structure at the lower part, which cooperates with the guide rail 2. This insert connection is an embedded connection, which allows the cover 4 to be stably positioned above the mixing tank 3, enhancing the sealing performance of the tank.

[0029] Example 1

[0030] like Figure 4 The diagram shows the cleaning structure of this invention in conjunction with the mixing equipment. The cleaning structure includes a scraper 1 detachably mounted on the opening of the mixing tank 3 and a guide rail 2 that cooperates with the scraper 1. The scraper 1 is detachably mounted on the guide rail 2 provided on the inner wall of the opening of the mixing tank 3 via its handle 12, and can rotate and move along the circumferential direction of the guide rail 2.

[0031] The scraper 1 includes a handle 12 and a blade 11. The blade 11 includes a rectangular section 111 and an arc-shaped section 112. The rectangular section 111 has a linear structure and is perpendicular to the inner wall of the straight section of the mixing tank 3. The arc-shaped section 112 starts from the lower end of the rectangular section and extends continuously along the arc-shaped inner wall of the lower end of the mixing tank. The width of the arc-shaped section 112 is the same as that of the rectangular section 111. A hook-shaped section is designed at the end of the arc-shaped section 112. This hook-shaped section hooks inward and extends into the interior of the discharge port 6, fitting against its inner wall, thereby achieving thorough scraping of residues in the discharge area. This structure is particularly suitable for bottom-bent pipe discharge structures, effectively preventing residue accumulation or blockage and improving cleaning thoroughness.

[0032] One end of the handle 12 has a snap-fit ​​section embedded in the guide rail 2, and the other end has a gripping part protruding from the can opening, facilitating manual rotation and force application by the operator. The guide rail 2 is an annular groove on the inner wall of the can opening. In another embodiment, the cross-sectional structure of the guide rail 2 is a T-groove or dovetail groove structure. The cross-sectional shape of the snap-fit ​​section of the scraper 1 handle 12 matches the guide rail 2 and is inserted into the rail to achieve limiting guidance. To improve the wall-adhering stability of the blade 11 during the rotation cleaning process, a magnetic attraction structure can be provided at the contact surface between the guide rail 2 and the handle 12. The magnetic attraction structure includes a strip-shaped permanent magnet disposed on the inner wall or bottom of the guide rail 2, and a corresponding metal insert or permanent magnet material embedded on the outside of the snap-fit ​​section of the handle 12. Through magnetic force, a constant radial attraction force is provided during the sliding of the scraper 1 along the rail, thereby enhancing the adhesion between the blade 11 and the inner wall of the mixing tank 3.

[0033] Example 2

[0034] like Figure 5 The image shows Embodiment 2 of the cleaning structure of this utility model combined with a mixing device. This embodiment differs from Embodiment 1 in that the blade 11 in this embodiment includes a rectangular segment 111 and an arc-shaped segment 113, the arc-shaped segment 113 and... Figure 4 Unlike the arc-shaped section 112, the bow-shaped section 113 has a bow-shaped outline and a certain inclination angle along the longitudinal direction, fitting against the arc-shaped inner wall of the bottom of the mixing tank 3. The rectangular section 111 and the bow-shaped section 113 are connected by an oblique angle to form a continuous composite blade 11. Therefore, the width of the bow-shaped section 113 is not the same as that of the rectangular section 111. The inclined structure of the bow-shaped section 113 allows it to guide the slurry attached to the bottom to the flow area of ​​the discharge port 6 during rotation.

[0035] Comparing Embodiment 1 and Embodiment 2, the two blade structures described above are suitable for different materials and discharge conditions. Among them, Figure 4 The arc-shaped segment 112 shown has a hook-shaped fitting structure that completely covers the bottom of the tank and the discharge port, suitable for cleaning low-viscosity, high-flow-rate materials. It can effectively scrape off residues adhering to the bottom and the inner wall of the curved discharge port, improving the thoroughness of cleaning. Figure 5 The bow-shaped section 113 shown retains a certain tilt angle and a bottom cleaning buffer area, making it suitable for high-viscosity materials that are difficult to flow naturally. During rotation, this structure first gathers bottom residue on the inner side of the bow-shaped section 113, then guides it upwards through the tilt angle, preventing the residue from flowing into the discharge port on its own, reducing the risk of blockage. This is more suitable for situations requiring removal from above the tank opening or manual scraping. The two structures can be selected and switched according to different material rheological characteristics, improving the equipment's cleaning adaptability and reliability.

[0036] Example 3

[0037] like Figure 6 The image shows Embodiment 3 of the present invention, which combines the cleaning structure with the mixing equipment. This embodiment differs from Embodiments 1 and 2 in that the inner wall of the mixing tank 3 does not have an annular groove structure. The scraper 1 is engaged with the upper part of the mixing tank 3's opening via its own slot structure. The slot structure's opening faces the edge of the mixing tank 3's opening, and its engagement width matches the wall thickness of the upper part of the mixing tank 3.

[0038] The external clamping structure in this embodiment does not rely on a groove on the inner wall of the mixing tank 3, resulting in a simpler structure that is easier to manufacture and clean, especially suitable for equipment where the tank opening structure cannot accommodate an internal track. Simultaneously, this structure can still be used in conjunction with... Figure 4 The blade 11 achieves cleaning coverage throughout the entire tank wall area.

[0039] Furthermore, based on the above embodiments and the flow characteristics of different materials, the structure of the scraper 1 can be adapted and optimized. For highly fluid slurries, a standard adhesive blade can be used, allowing the slurry to slide directly down the tank wall to the outlet 6 after scraping. For slurries with poor flowability and strong adhesion, a curing agent can be added after mixing to transform the slurry into a semi-solid or gel state, which can then be scraped off by the blade 11. Another method is to use a storage-type scraper 1 with a residue collection chamber to remove a larger amount of slurry at once. After use, the scraper 1 can be disassembled for individual cleaning, dried, and reused, making it suitable for production needs requiring frequent material changes.

[0040] The above embodiments are only for illustrating the technical concept and features of this utility model. Their purpose is to enable those skilled in the art to understand the content of this utility model and implement it. They should not be used to limit the protection scope of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be covered within the protection scope of this utility model.

Claims

1. A detachable cleaning structure for use in a mixing device, the mixing device comprising a mixing tank and a top cover, the cleaning structure comprising a scraper and a guide rail cooperating with the scraper, characterized in that: The guide rail is set at the mouth of the mixing tank and forms a closed track along the circumference of the mixing tank; the scraper is detachably installed on the guide rail, the scraper includes a blade and a handle, the blade is attached to the inner wall of the mixing tank and can rotate and move relative to the mixing tank along the guide rail.

2. The detachable cleaning structure for a mixing equipment according to claim 1, characterized in that: The blade of the scraper has a rectangular section that fits into the inner wall of the straight section of the mixing tank.

3. The detachable cleaning structure for a mixing equipment according to claim 2, characterized in that: The blade of the scraper is also provided with an arc-shaped section. The arc-shaped section starts from the lower end of the rectangular section, extends continuously along the arc-shaped inner wall of the lower end of the mixing tank, and its end forms a hook-shaped fitting section that extends into the discharge port area of ​​the mixing tank and fits the inner wall of the discharge port.

4. The detachable cleaning structure for a mixing equipment according to claim 2, characterized in that: The scraper blade is also provided with an arc-shaped section, which fits into the lower arc-shaped inner wall of the mixing tank, and the rectangular section is connected to the arc-shaped section at an oblique angle.

5. The detachable cleaning structure for a mixing equipment according to claim 1, characterized in that: The guide rail is an annular groove set on the inner wall of the mixing tank opening. One end of the scraper handle can be embedded in the annular groove and engaged with it. The other end of the handle is provided with a gripping part protruding from the tank opening.

6. The detachable cleaning structure for a mixing equipment according to claim 1, characterized in that: The scraper has a groove structure between its handle and blade for engaging with the upper part of the mixing tank wall. The mixing tank wall is embedded in the groove structure, allowing the scraper to slide and be positioned along the outside of the mixing tank opening.

7. The detachable cleaning structure for a mixing equipment according to claim 1, characterized in that: The top cover of the mixing equipment and the mixing tank are connected by an embedded structure with a plug-in fit.

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