Jacking-in type stirrer wall scraping mechanism

By designing a wall scraping mechanism with upper, middle and lower parts, the problem of incomplete coverage of the traditional wall scraping mechanism is solved, and a more comprehensive scraping effect is achieved to avoid material agglomeration.

CN223287913UActive Publication Date: 2025-09-02LIAONING HOWNICE PETROLEUM CHEM IND EQUIP
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Patent Information

Application Number
CN202422604607.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-09-02
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

The traditional top-in stirrer wall scraping mechanism is an integrated structure, resulting in incomplete scraping coverage and inadequate treatment at the edges of the container, resulting in agglomeration and deterioration of the material.

Method used

It is designed as a wall scraping mechanism of the upper, middle and lower parts, including right angle, obtuse angle and flat angle scraper, which correspond to different positions of the container and are bolted to the stirrer spindle to ensure full coverage of the inner wall of the container.

Benefits of technology

A more comprehensive scraping covering is achieved, preventing material from agglomerating and deteriorating, and improving the mixing effect.

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Abstract

The utility model discloses a wall scraping mechanism of a top-in stirrer, which relates to the technical field of stirrers and comprises right-angle scrapers, obtuse-angle scrapers are correspondingly arranged below the two right-angle scrapers, and a flat-angle scraper is arranged between the two right-angle scrapers and the two obtuse-angle scrapers. Fixing plates are arranged on the inner sides of the two right-angle scraping plates, the two obtuse-angle scraping plates and the two flat-angle scraping plates, right-angle fixing seats are arranged on one sides of the two right-angle scraping plates, obtuse-angle fixing seats are arranged on one sides of the two obtuse-angle scraping plates, flat-angle fixing seats are arranged on one sides of the two flat-angle scraping plates, and the right-angle fixing seats are arranged on the other sides of the two right-angle scraping plates. Connecting rods are arranged between the right-angle fixing base, the obtuse-angle fixing base and the flat-angle fixing base and the fixing plate, the scraping mechanism of an integrated structure is designed into the upper portion, the middle portion and the lower portion which correspond to the right-angle position, the flat-angle position and the obtuse-angle position of a container respectively, the scraping covering face is more comprehensive, the edge of the container is treated more in place, and caking and deterioration of materials are avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of stirrers, in particular to a top-entry stirrer wall scraping mechanism. Background Art

[0002] Top-entry agitators are essential industrial mixing equipment. They consist of a motor, agitator shaft, and agitator blades, mounted on top of the mixing vessel. The agitator shaft extends vertically into the vessel. The blades come in a variety of styles, such as paddle and turbine, and can be selected based on different material properties and mixing requirements. These agitators effectively mix, disperse, and homogenize materials. While the agitator is operating, a scraper device is typically installed on the agitator shaft to scrape the inner wall of the vessel. Traditional scraping mechanisms are typically integrated structures. This integrated scraping mechanism, used to scrape the inner wall of the vessel, results in incomplete scraping coverage and inadequate treatment of the vessel edges, leading to material agglomeration and deterioration. Utility Model Content

[0003] The purpose of the utility model is to provide a top-entry agitator scraping mechanism to solve the problem that the traditional scraping mechanism proposed in the above background technology is usually an integrated structure, and the scraping mechanism with an integrated structure is used to hang materials on the inner wall of the container, but the scraping coverage is not comprehensive and the edge of the container is not properly processed, resulting in material agglomeration and deterioration.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a top-entry agitator scraping mechanism, comprising a right-angle scraper, wherein the number of the right-angle scrapers is two, and the two right-angle scrapers are correspondingly arranged, and an obtuse-angle scraper is correspondingly provided below the two right-angle scrapers, and a flat-angle scraper is provided between the two right-angle scrapers and the two obtuse-angle scrapers, and the two flat-angle scrapers are staggered with the two right-angle scrapers and the two obtuse-angle scrapers, and the inner sides of the two right-angle scrapers, the two obtuse-angle scrapers and the two flat-angle scrapers are all provided with a fixing plate, a right-angle fixing seat is provided on one side of the two right-angle scrapers, an obtuse-angle fixing seat is provided on one side of the two obtuse-angle scrapers, and a flat-angle fixing seat is provided on one side of the two flat-angle scrapers, and connecting rods are provided between the right-angle fixing seat, the obtuse-angle fixing seat and the flat-angle fixing seat and the fixing plate.

[0005] Preferably, the positions corresponding to the right-angle fixing seat and the right-angle scraper, the positions corresponding to the obtuse-angle fixing seat and the obtuse-angle scraper, and the positions corresponding to the flat-angle fixing seat and the flat-angle scraper are all provided with fixing grooves, and the right-angle scraper, the obtuse-angle scraper, and the flat-angle scraper are fixed to the inside of the fixing grooves by bolts, and the outer ends of the right-angle scraper, the obtuse-angle scraper, and the flat-angle scraper extend to the outside of the fixing grooves.

[0006] Preferably, the connecting rod is fixedly connected to the upper middle position of the fixing plate, a bevel groove is provided at the position where the inner end of the connecting rod is connected to the fixing plate, and bolt holes are sequentially provided on the fixing plate.

[0007] Preferably, the right-angle scraper, the obtuse-angle scraper, and the flat-angle scraper are all provided with a cutting edge on one side extending outward from the fixing groove.

[0008] Preferably, the outer ends of the right-angle scraper, the obtuse-angle scraper and the flat-angle scraper are located in the same right circular arc plane.

[0009] Compared with the existing technology, the beneficial effects of the utility model are: instead of the traditional one-piece scraping mechanism, the one-piece scraping mechanism is designed to be divided into three parts: upper, middle and lower, which correspond to the right angle, flat angle and obtuse angle positions of the container respectively. The scraping coverage is more comprehensive, and the edge of the container is processed more thoroughly, avoiding material agglomeration and deterioration. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is the axonometric drawing of the main structure of the utility model;

[0011] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0012] Figure 3 It is a left side schematic diagram of the main structure of the utility model;

[0013] Figure 4 It is a top view schematic diagram of the main structure of the utility model.

[0014] In the figure: 1-right angle scraper, 2-obtuse angle scraper, 3-flat angle scraper, 4-fixing plate, 5-right angle fixing seat, 6-obtuse angle fixing seat, 7-flat angle fixing seat, 8-connecting rod, 9-fixing groove, 10-bevel groove, 11-bolt hole, 12-cutting edge. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0016] See also Figure 1-4The utility model provides a top-entry agitator scraping mechanism, including a right-angle scraper 1, the number of which is two, and the two right-angle scrapers 1 are correspondingly arranged, and an obtuse-angle scraper 2 is correspondingly provided below the two right-angle scrapers 1, a flat-angle scraper 3 is provided between the two right-angle scrapers 1 and the two obtuse-angle scrapers 2, and the two flat-angle scrapers 3 are staggered with the two right-angle scrapers 1 and the two obtuse-angle scrapers 2, and the inner sides of the two right-angle scrapers 1, the two obtuse-angle scrapers 2 and the two flat-angle scrapers 3 are all provided with a fixing plate 4, one side of the two right-angle scrapers 1 is provided with a right-angle fixing seat 5, one side of the two obtuse-angle scrapers 2 is provided with an obtuse-angle fixing seat 6, and one side of the two flat-angle scrapers 3 is provided with a flat-angle fixing seat 7, and a connecting rod 8 is provided between the right-angle fixing seat 5, the obtuse-angle fixing seat 6 and the flat-angle fixing seat 7 and the fixing plate 4.

[0017] When in use, the fixing plate 4 is fixed to the main shaft of the stirrer by using the corresponding fixing components in combination with the bolts, and the right-angle fixing seat 5, the obtuse-angle fixing seat 6 and the flat-angle fixing seat 7 are sequentially set on the main shaft through the connecting rod 8. The right-angle fixing seat 5 is correspondingly set to the right-angle connection between the upper end cover and the side wall of the container, and the right-angle scraper 1 is fixed to the right-angle fixing seat 5 by the bolts. The position of the right-angle scraper 1 is adjusted to keep the outer side of the right-angle scraper 1 against the right-angle connection between the upper end cover and the side wall of the container, and the obtuse-angle fixing seat 6 is fixed to the right-angle fixing seat 5. Corresponding to the obtuse-angle connection between the funnel-shaped discharge cover at the lower end of the container and the side wall, the obtuse-angle scraper 2 is fixed to the obtuse-angle fixing seat 6 by bolts, and the position of the obtuse-angle scraper 2 is adjusted to keep the outer side of the obtuse-angle scraper 2 against the obtuse-angle connection between the funnel-shaped discharge cover at the lower end of the container and the side wall. The flat-angle fixing seat 7 is correspondingly set to the inner surface of the side wall of the container, and the flat-angle scraper 3 is fixed to the flat-angle fixing seat 7 by bolts. The position of the flat-angle scraper 3 is adjusted to keep the outer end of the flat-angle scraper 3 against the inner surface of the container.

[0018] The positions of the right-angle fixing seat 5 corresponding to the right-angle scraper 1, the positions of the obtuse-angle fixing seat 6 corresponding to the obtuse-angle scraper 2, and the positions of the flat-angle fixing seat 7 corresponding to the flat-angle scraper 3 are all provided with fixing grooves 9, and the right-angle scraper 1, the obtuse-angle scraper 2 and the flat-angle scraper 3 are fixed to the inside of the fixing grooves 9 by bolts, and the outer ends of the right-angle scraper 1, the obtuse-angle scraper 2 and the flat-angle scraper 3 extend to the outside of the fixing grooves 9. By providing fixing grooves 9 on the right-angle fixing seat 5, the obtuse-angle fixing seat 6 and the flat-angle fixing seat 7, the right-angle scraper 1, the obtuse-angle scraper 2 and the flat-angle scraper 3 are sequentially arranged to the inside of the fixing grooves 9 of the right-angle fixing seat 5, the obtuse-angle fixing seat 6 and the flat-angle fixing seat 7 by bolts, and the installation firmness of the right-angle scraper 1, the obtuse-angle scraper 2 and the flat-angle scraper 3 is improved by the fixing grooves 9.

[0019] The connecting rod 8 is fixedly connected to the middle and upper position of the fixed plate 4. A bevel groove 10 is provided at the position where the inner end of the connecting rod 8 connects with the fixed plate 4. Bolt holes 11 are provided on the fixed plate 4 in sequence. By providing the bevel groove 10 between the connecting rod 8 and the fixed plate 4, a smooth transition is made between the connecting rod 8 and the fixed plate 4. The bolt hole 11 is provided on the fixed plate 4, and the fixed plate 4 is fixed to the main shaft of the agitator by passing the bolt through the bolt hole 11.

[0020] The right-angle scraper 1, the obtuse-angle scraper 2 and the flat-angle scraper 3 are all provided with a cutting edge 12 on one side extending outward from the fixing groove 9. By providing the cutting edge 12 on the right-angle scraper 1, the obtuse-angle scraper 2 and the flat-angle scraper 3, the contact area between the right-angle scraper 1, the obtuse-angle scraper 2 and the flat-angle scraper 3 and the inner surface of the container is ensured, thereby ensuring the scraping effect.

[0021] The outer ends of the right-angle scraper 1, the obtuse-angle scraper 2 and the flat-angle scraper 3 are located in the same right circular arc plane, ensuring that the outer ends of the right-angle scraper 1, the obtuse-angle scraper 2 and the flat-angle scraper 3 are effectively against the inner surface of the container and completely cover the inner surface of the container to ensure the scraping effect.

[0022] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A scraping mechanism for a top-entry agitator, characterized by: The invention comprises a right-angle scraper (1), wherein the number of the right-angle scraper (1) is two, the two right-angle scrapers (1) are correspondingly arranged, the obtuse-angle scraper (2) is correspondingly arranged below the two right-angle scrapers (1), a right-angle scraper (3) is arranged between the two right-angle scrapers (1) and the two obtuse-angle scrapers (2), the two right-angle scrapers (1) and the two obtuse-angle scrapers (2) are staggered, and the two right-angle scrapers (1) and the two obtuse-angle scrapers (2) are staggered. A fixing plate (4) is provided on the inner side of each of the angle scrapers (2) and the two flat-angle scrapers (3); a right-angle fixing seat (5) is provided on one side of each of the two right-angle scrapers (1); an obtuse-angle fixing seat (6) is provided on one side of each of the two obtuse-angle scrapers (2); a flat-angle fixing seat (7) is provided on one side of each of the two flat-angle scrapers (3); and connecting rods (8) are provided between the right-angle fixing seat (5), the obtuse-angle fixing seat (6), the flat-angle fixing seat (7) and the fixing plate (4).

2. The scraping mechanism of a top-entry agitator according to claim 1, characterized in that: The positions corresponding to the right-angle fixing seat (5) and the right-angle scraper (1), the positions corresponding to the obtuse-angle fixing seat (6) and the obtuse-angle scraper (2), and the positions corresponding to the flat-angle fixing seat (7) and the flat-angle scraper (3) are all provided with fixing grooves (9); the right-angle scraper (1), the obtuse-angle scraper (2), and the flat-angle scraper (3) are fixed to the inside of the fixing grooves (9) by bolts, and the outer ends of the right-angle scraper (1), the obtuse-angle scraper (2), and the flat-angle scraper (3) extend to the outside of the fixing grooves (9).

3. The scraping mechanism of a top-entry agitator according to claim 1, characterized in that: The connecting rod (8) is fixedly connected to the upper middle position of the fixing plate (4); a bevel groove (10) is provided at the position where the inner end of the connecting rod (8) is connected to the fixing plate (4); and bolt holes (11) are sequentially provided on the fixing plate (4).

4. The scraping mechanism of a top-entry agitator according to claim 2, characterized in that: The right-angle scraper (1), the obtuse-angle scraper (2), and the flat-angle scraper (3) are all provided with a cutting edge (12) on one side extending outward from the fixing groove (9).

5. The scraping mechanism of a top-entry agitator according to claim 1, characterized in that: The outer ends of the right-angle scraper (1), the obtuse-angle scraper (2) and the flat-angle scraper (3) are located in the same right circular arc plane.