Combined stirring arm for mixer

Abstract

The utility model relates to the technical field of stirring equipment, and discloses a combined stirring arm for a mixer, which comprises a stirring shaft, a forward scraping part, a stirring part and a reverse scraping part are arranged on the stirring shaft, the forward scraping part and the reverse scraping part are respectively arranged on the stirring shaft close to the two ends, the stirring part is arranged in the middle of the stirring shaft, and the reverse scraping part is arranged on the stirring shaft close to the two ends of the stirring shaft. The stirring part comprises a plurality of stirring arms arranged on the stirring shaft around a shaft, stirring blades are arranged on the stirring arms, the forward scraping part and the reverse scraping part are symmetrically arranged and are opposite in scraping direction, each of the forward scraping part and the reverse scraping part comprises a scraping arm arranged on the stirring shaft, and scraping blades are arranged on the scraping arms. The forward scraping part, the stirring part and the reverse scraping part are matched for operation, so that multi-area and multi-position stirring can be realized, and the uniformity is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of stirring equipment, in particular to a combined stirring arm for a mixer. Background Art

[0002] In the mixer industry, the design of the stirring arm plays a vital role in the mixing effect of the materials. Traditional mixer stirring arms usually adopt a single structure, such as a simple stirring blade or a scraper device. Although these structures can achieve material mixing to a certain extent, their limitations gradually emerge in application scenarios that process materials of different properties or require higher mixing effects. On the one hand, a single stirring blade structure can often only perform a single shear or push on the material during the mixing process, making it difficult to achieve uniform mixing of materials in multiple areas and multiple positions. This may lead to uneven material mixing and affect the quality of the final product. On the other hand, although the traditional scraper device can scrape off the attached materials on the inner wall of the mixing drum, it can often only achieve one-way scraping and cannot process materials at different positions in the mixing drum at the same time. In addition, the lack of synergy between the scraper device and the stirring blade results in limited mixing effect.

[0003] Therefore, in order to overcome the limitations of the traditional stirring arm structure, improve the mixing effect of the mixer, and adapt to materials with different properties and mixing requirements, it is necessary to design a new stirring arm structure. This structure should be able to combine the advantages of stirring blades and scraping devices to achieve multi-region and multi-position stirring, while improving the mixing uniformity of materials. Utility Model Content

[0004] The purpose of the utility model is to overcome the problems raised in the background technology and to provide a combined stirring arm for a mixer. The scheme combines the stirring blades and the scraping device through a clever structural design to form three parts: a forward scraping part, a stirring part, and a reverse scraping part, thereby realizing stirring and scraping in multiple areas and multiple positions. This combined stirring arm not only improves the mixing uniformity of the material, but also enhances the overall performance of the mixer.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A combined stirring arm for a mixer comprises a stirring shaft, wherein the stirring shaft is provided with a forward scraping portion, a stirring portion, and a reverse scraping portion, wherein the forward scraping portion and the reverse scraping portion are respectively arranged on the stirring shaft near both ends, and the stirring portion is arranged in the middle of the stirring shaft, the stirring portion comprises a plurality of stirring arms arranged around the axis on the stirring shaft, and the stirring arm is provided with stirring blades, the forward scraping portion and the reverse scraping portion are symmetrically arranged and have opposite scraping directions, and the forward scraping portion and the reverse scraping portion both comprise scraping arms arranged on the stirring shaft, and the scraping arms are provided with scraping blades.

[0007] In order to further optimize the utility model, the following technical solutions can be preferably used:

[0008] Preferably, blade arm fixing seats are provided on the stirring shaft corresponding to the stirring arm and scraper arm positions, and the blade arm fixing seats include an arc sleeve 1 and an arc sleeve 2 that are interlocked with each other, and the arc sleeve 1 and the arc sleeve 2 are interlocked and then sleeved on the stirring shaft.

[0009] Preferably, a blade arm isolation sleeve is provided between the two blade arm fixing seats corresponding to the stirring shaft.

[0010] Preferably, a plurality of stirring blade arms are arranged on the stirring shaft in a spiral line, and the stirring blades are detachably arranged at the free ends of the stirring blade arms.

[0011] Preferably, the blade installation angle of the stirring blade is 30°-60°.

[0012] Preferably, a long waist hole is opened on the stirring blade arm corresponding to the position of the stirring blade along the radial direction of the stirring shaft, and the stirring blade is adjustably set on the stirring blade arm through the long waist hole. A positioning plate cooperating with both sides of the stirring blade arm is set on the back of the stirring blade.

[0013] Preferably, the stirring blade is T-shaped, and the scraping blade is L-shaped.

[0014] Preferably, the stirring blades on the two stirring shafts are staggered in the axial direction.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The "combined stirring arm for a mixer" disclosed in the utility model has significant beneficial effects, which are mainly reflected in the following aspects:

[0017] (1) Improve mixing efficiency and uniformity: Through the combined design of the forward scraping part, the stirring part, and the reverse scraping part, multi-region and multi-position stirring of the material is achieved. This design not only improves the uniformity of stirring, but also significantly improves the mixing efficiency, so that the material can reach the ideal mixing state in a short time. (2) Structural design and flexibility: The stirring arm and the scraping arm are fixed by the blade arm fixing seat. This design not only simplifies the assembly process, but also improves the stability of the structure. At the same time, the blade arm fixing seat adopts the design of arc sleeve 1 and arc sleeve 2 that interlock with each other, making the installation and disassembly of the stirring arm and the scraping arm more convenient, improving the maintainability and flexibility of the equipment. (3) Enhance equipment durability: By setting the blade arm isolation sleeve, the friction and collision between the stirring arm and the scraping arm are effectively reduced, thereby extending the service life of the equipment. In addition, this design also reduces the noise and vibration during the operation of the equipment, and improves the stability and reliability of the equipment. (4) Optimized design of stirring blades: The stirring blades are detachable, which is easy to clean and replace, effectively avoiding the problems of material residue and cross contamination. At the same time, through the setting of the long waist hole and the positioning plate, the adjustable installation of the stirring blade on the stirring blade arm is realized, making the stirring process more flexible and adaptable to materials of different properties and mixing requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the combined stirring arm of the utility model;

[0019] Figure 2 This is a front view of the combined stirring arm of the utility model;

[0020] Figure 3 It is a side view of the combined stirring arm of the utility model;

[0021] Figure 4 For the utility model Figure 2 A partial enlarged view of area A;

[0022] In the figure: 2-stirring shaft, 3-forward scraping part, 4-stirring part, 5-reverse scraping part; 201-scraping arm, 202-scraping blade, 203-scraping part, 204-stirring part, 205-stirring arm, 206-stirring blade, 207-long waist hole, 208-positioning plate, 209-arc sleeve one, 210-arc sleeve two, 211-leaf arm isolation sleeve. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] See also Figure 1-4The utility model provides an embodiment: a combined stirring arm for a mixer, comprising a stirring shaft 2, on which a forward scraping part 3, a stirring part 4, and a reverse scraping part 5 are installed, the forward scraping part 3 and the reverse scraping part 5 are respectively installed on the stirring shaft 2 near the two ends, the stirring part is installed in the middle of the stirring shaft, the stirring part comprises a plurality of stirring arms 205 installed around the shaft on the stirring shaft, and a stirring blade 206 is installed on the stirring arm, wherein the stirring blade is T-shaped, the end has a scraping function, and the whole blade has a stirring function; the forward scraping part and the reverse scraping part are symmetrically arranged and the scraping directions are opposite, the forward scraping part and the reverse scraping part both comprise a scraping arm 201 installed on the stirring shaft, and a scraping blade 202 is installed on the scraping arm; the scraping blade is L-shaped, and a scraping part 203 and a stirring part 204 are designed on the scraping blade, the scraping part 203 is used to scrape the material on the end wall of the silo, and is arranged radially along the stirring shaft.

[0025] As one of the installation design forms, the stirring shaft 2 is equipped with a blade arm fixing seat corresponding to the stirring arm and the scraper arm. The blade arm fixing seat includes an arc sleeve 1 209 and an arc sleeve 210 that are interlocked. The arc sleeve 1 and the arc sleeve 2 are interlocked and sleeved on the stirring shaft 2; the stirring arm and the scraper arm are fixed by the blade arm fixing seat. This design not only simplifies the assembly process, but also improves the stability of the structure. At the same time, the blade arm fixing seat adopts the design of arc sleeve 1 and arc sleeve 2 that are interlocked, which makes the installation and disassembly of the stirring arm and the scraper arm more convenient, and improves the maintainability and flexibility of the equipment; through the combined design of the forward scraper part, the stirring part, and the reverse scraper part, multi-region and multi-position stirring of the material is realized. This design not only improves the uniformity of stirring, but also significantly improves the mixing efficiency, so that the material can reach an ideal mixing state in a short time.

[0026] Furthermore, in this solution, a blade arm isolation sleeve is installed between the two blade arm fixing seats corresponding to the stirring shaft. By providing the blade arm isolation sleeve 211, the friction and collision between the stirring arm 205 and the scraper arm 201 are effectively reduced, thereby extending the service life of the equipment. In addition, this design also reduces the noise and vibration of the equipment during operation, and improves the stability and reliability of the equipment.

[0027] Furthermore, multiple stirring blade arms are arranged in a spiral line on the stirring shaft. The specific stirring blade parameters are that the stirring blade has a blade installation angle of 30°-60°, and the stirring blade is detachably installed at the free end of the stirring blade arm, so as to facilitate the adjustment of the extension length of the stirring blade according to the needs; wherein the stirring blade arm is provided with a long waist hole 207 corresponding to the stirring blade position along the radial direction of the stirring shaft, and the stirring blade is adjustable and installed on the stirring blade arm through the long waist hole, and a positioning plate 208 is installed on the back of the stirring blade to cooperate with the two sides of the stirring blade arm; the stirring blade adopts a detachable design, which is convenient for cleaning and replacement, and effectively avoids the problems of material residue and cross contamination. At the same time, through the setting of the long waist hole and the positioning plate, the stirring blade is adjustable on the stirring blade arm, making the stirring process more flexible and adaptable to materials of different properties and mixing requirements.

[0028] In the actual application of the stirring shaft, two sets of stirring shafts are used in combination to ensure that the stirring blades on the two stirring shafts are staggered in the axial direction to improve the stirring effect.

[0029] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined stirring arm for a mixer, comprising a stirring shaft, characterized in that: The stirring shaft is provided with a forward scraping portion, a stirring portion and a reverse scraping portion. The forward scraping portion and the reverse scraping portion are respectively arranged near the two ends of the stirring shaft, and the stirring portion is arranged in the middle of the stirring shaft. The stirring portion includes a plurality of stirring arms arranged around the axis on the stirring shaft, and the stirring arms are provided with stirring blades. The forward scraping portion and the reverse scraping portion are symmetrically arranged and have opposite scraping directions. The forward scraping portion and the reverse scraping portion both include scraping arms arranged on the stirring shaft, and the scraping arms are provided with scraping blades.

2. The combined stirring arm for a mixer according to claim 1, characterized in that: The stirring shaft is provided with blade arm fixing seats at positions corresponding to the stirring arm and the scraping arm. The blade arm fixing seats include an arc sleeve 1 and an arc sleeve 2 which are buckled with each other. The arc sleeve 1 and the arc sleeve 2 are buckled with each other and then sleeved on the stirring shaft.

3. A combined stirring arm for a mixer according to claim 2, characterized in that: A blade arm isolation sleeve is arranged between two blade arm fixing seats corresponding to the stirring shaft.

4. The combined stirring arm for a mixer according to claim 1, characterized in that: A plurality of stirring blade arms are arranged on the stirring shaft in a spiral line, and the stirring blades are detachably arranged at the free ends of the stirring blade arms.

5. The combined stirring arm for a mixer according to claim 4, characterized in that: The blade installation angle of the stirring blade is 30°-60°.

6. A combined stirring arm for a mixer according to claim 4, characterized in that: The stirring blade arm is provided with a long waist hole corresponding to the stirring blade position along the radial direction of the stirring shaft. The stirring blade can be adjustably arranged on the stirring blade arm through the long waist hole. The back of the stirring blade is provided with a positioning plate that cooperates with both sides of the stirring blade arm.

7. The combined stirring arm for a mixer according to claim 1, characterized in that: The stirring blade is T-shaped, and the scraping blade is L-shaped.

Images