Special rotor structure for double-shaft mixer

Abstract

The utility model discloses a rotor structure special for a double-shaft mixing machine. The rotor structure comprises a first rotor assembly and a second rotor assembly which are opposite in rotation direction, the first rotor assembly comprises a first main shaft, a plurality of first supporting rods are arranged on the first main shaft in a penetrating mode, the adjacent first supporting rods are distributed in a cross shape in space, each first supporting rod is symmetrically arranged relative to the first main shaft, and first paddles are arranged on the left side and the right side of each first supporting rod; first shaft end paddles are arranged at the left end and the right end of the first supporting rod located at the input end of the first main shaft, two first spiral bands are arranged outside the first main shaft, the rotating directions of the first spiral bands are the same, and the first spiral bands are fixed to the first supporting rod. Under the action of the outer-ring paddles and the inner-ring spiral belt, materials are subjected to multi-staggered movement, and the spiral mixer has the advantages of stability and high efficiency especially for mixing the materials with light volume weight.

Description

Technical Field

[0001] The utility model relates to the technical field of mixing equipment, in particular to a special rotor structure for a double-shaft mixer. Background Art

[0002] The existing twin-shaft mixer rotor structure generally has only one set of blades or a double helix structure on the outer ring. The outer ring uses a spiral ribbon and the inside is equipped with blades. The twin-shaft mixing diameters do not intersect, which will result in a lot of residue inside the mixer. At the same time, because the slurry is buried in the material, the mixed material with light bulk density is prone to overcurrent, and the mixing efficiency is low. Utility Model Content

[0003] The purpose of the utility model is to provide a special rotor structure for a double-shaft mixer with a reasonable structure, which can reduce comprehensive energy consumption, reduce maintenance costs, and improve thawing efficiency in view of the defects and shortcomings of the prior art.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a rotor structure dedicated to a dual-shaft mixer, the innovation of which is that it includes a first rotor assembly and a second rotor assembly with opposite rotation directions; the first rotor assembly includes a first main shaft, a plurality of first struts are arranged through the first main shaft, and adjacent first struts are cross-distributed in space, and each first strut is symmetrically arranged about the first main shaft, first paddles are arranged on both sides of the first strut, but first shaft end paddles are arranged on both ends of the first strut located at the input end of the first main shaft, and two first spiral belts are arranged on the outside of the first main shaft, and the rotation directions of the first spiral belts are the same. , the first spiral belt is fixed on the first strut; the second rotor assembly includes a second main shaft, a plurality of second struts are arranged through the second main shaft, and adjacent second struts are cross-distributed in space, and each second strut is symmetrically arranged about the second main shaft, second blades are arranged on both sides of the second strut, but second shaft-end blades are arranged on both ends of the second strut located at the output end of the second main shaft, and the second shaft-end blades are far away from the first shaft-end blades, two second spiral belts are arranged on the outside of the second main shaft, and the second spiral belts have the same rotation direction, and the second spiral belts are fixed on the second strut; the first blade and the second blade are staggered.

[0005] Furthermore, the first blade is arranged at an angle to the first main axis, and the angle is between 30-60 degrees; the blade at the end of the first shaft is also arranged at an angle to the first main axis, and the angle is opposite to the angle of the first blade, and the angle is between 5-10 degrees; the second blade is arranged at an angle to the second main axis, and the angle is between 30-60 degrees; the blade at the end of the second shaft is also arranged at an angle to the second main axis, and the angle is opposite to the angle of the second blade, and the angle is between 5-10 degrees.

[0006] Furthermore, the first blade is flush with the end of the blade at the first shaft end; the second blade is flush with the end of the blade at the second shaft end.

[0007] Furthermore, the first support rod, the first blade and the first shaft end blade are integrally formed, and the second support rod, the second blade and the second shaft end blade are also integrally formed.

[0008] After adopting the above structure, the utility model has the following beneficial effects:

[0009] The utility model forms multiple interlaced motions on the materials under the action of the outer ring blades and the inner ring spiral belts, and has high mixing efficiency; the area of ​​the outer ring blades is smaller than that of the rotor structure with only blades, the running resistance is smaller, and the mixing efficiency is higher, especially for the mixing of materials with light bulk density, it has the advantages of more stability and high efficiency; the structure of the double-axis rotor is more complicated than that of the single-axis rotor, the material movement is more complicated, the shearing and interlacing between the materials are more, and the mixing efficiency is higher; the mixing diameters of the double-axis rotors intersect, so that less material residue is left. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the structure of the utility model;

[0011] Figure 2 It is the front view of the utility model;

[0012] Figure 3 It is a top view of the utility model.

[0013] Description of reference numerals:

[0014] 1 first rotor assembly, 11 first main shaft, 12 first support rod, 13 first blade, 14 first shaft end blade, 15 first spiral belt, 2 second rotor assembly, 21 second main shaft, 22 second support rod, 23 second blade, 24 second shaft end blade, 25 second spiral belt. DETAILED DESCRIPTION

[0015] The utility model is further described below in conjunction with the accompanying drawings.

[0016] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific implementation methods described here are only used to explain the utility model and are not used to limit the utility model.

[0017] See also Figure 1-3A rotor structure dedicated to a double-shaft mixer comprises a first rotor assembly 1 and a second rotor assembly 2 with opposite rotation directions; the first rotor assembly 1 comprises a first main shaft 11, a plurality of first struts 12 are arranged through the first main shaft 11, and adjacent first struts 12 are cross-distributed in space, and each first strut 12 is symmetrically arranged about the first main shaft 11, first blades 13 are arranged on both sides of the first strut 12, but first shaft end blades 14 are arranged on both sides of the first strut located at the input end of the first main shaft, two first spiral belts 15 are arranged outside the first main shaft 11, and the first spiral belts 15 have the same rotation direction, and the first spiral belts 15 are fixed on the first main shaft 11. On a support rod 12; the second rotor assembly 2 includes a second main shaft 21, and a plurality of second support rods 22 are arranged through the second main shaft 21, and the adjacent second support rods are cross-distributed in space, and each second support rod is symmetrically arranged about the second main shaft, and second blades 23 are arranged on both sides of the second support rod, but second shaft-end blades 24 are arranged on both ends of the second support rod located at the output end of the second main shaft, and the second shaft-end blades 24 are far away from the first shaft-end blades 14, and two second spiral belts 25 are arranged outside the second main shaft 21, and the second spiral belts 25 have the same rotation direction, and the second spiral belts 25 are fixed on the second support rod 22; the first blade 13 and the second blade 23 are staggered. Specifically, the blades, shaft-end blades and spiral belts in the first rotor assembly 1 and the second rotor assembly 2 form two internal and external stirring effects, so that the material forms a circular motion under the action of the outer ring blades, and the shearing effect of the material is promoted under the action of the inner ring spiral belts of the two shafts, thereby improving the mixing efficiency.

[0018] In this embodiment, the first blade 13 is arranged at an angle with the first main axis 11, and the angle is between 30-60 degrees; the blade 14 at the first shaft end is also arranged at an angle with the first main axis 11, and the angle is opposite to the angle of the first blade, and the angle is between 5-10 degrees; the second blade 23 is arranged at an angle with the second main axis 21, and the angle is between 30-60 degrees; the blade 24 at the second shaft end is also arranged at an angle with the second main axis 21, and the angle is opposite to the angle of the second blade, and the angle is between 5-10 degrees. The angle of the first blade 13 is to push the material toward the first shaft end blade 14, which is also arranged at an angle to the first main shaft 11, and the angle is opposite to that of the first blade, and the angle is between 5-10 degrees. The purpose is to push the material away from the end and toward the second rotor assembly 2; the angle of the second blade 23 is to push the material toward the second shaft end blade 24, which is also arranged at an angle to the second main shaft 21, and the angle is opposite to that of the second blade, and the angle is between 5-10 degrees. The purpose is to push the material away from the end and toward the first rotor assembly 1, thereby achieving cyclic stirring and improving stirring efficiency.

[0019] In this embodiment, the ends of the first blade 13 and the first axial end blade 14 are flush with each other; the ends of the second blade 23 and the second axial end blade 24 are flush with each other.

[0020] In this embodiment, the first support rod, the first blade and the first shaft end blade are integrally formed, and the second support rod, the second blade and the second shaft end blade are also integrally formed, which is easy to produce and can also increase the service life.

[0021] The working principle of this utility model:

[0022] The rotor turns when working. Figure 1 As shown by the rotating arrow, facing the shaft head, the two main shafts rotate in opposite directions and rotate from the inside to the outside. The first blade 13 is arranged at an angle with the first main shaft 11, and the angle is between 30-60 degrees. When the first rotor assembly 1 rotates, it will push the material to the first shaft end blade 14. The first shaft end blade 14 is also arranged at an angle with the first main shaft 11, and the angle is opposite to the angle of the first blade, and the angle is between 5-10 degrees. The purpose is to push the material away from the end and push it to the second rotor assembly 2; two first spiral belts 15 are arranged on the inner ring of the first rotor assembly 1, and the two have the same rotation direction, and the two sides of the two first spiral belts 15 are flush with the ends of the first blade 13 and the first shaft end blade 14. When the first main shaft 11 rotates, the direction of pushing the material is opposite to the direction of pushing the material by the first blade 13, thereby strengthening the shearing effect inside the first rotor assembly 1 and improving the mixing efficiency. The second blade 23 is arranged at an angle with the second main shaft 21, and the angle is between 30-60 degrees. When the second rotor assembly 2 rotates, the material will be pushed to the second shaft end blade 24. The second shaft end blade 24 is also arranged at an angle with the second main shaft 21, and the angle is opposite to the angle of the second blade, and the angle is between 5-10 degrees. The purpose is to push the material away from the end and push it toward the first rotor assembly 1; two second spiral belts 25 are arranged on the inner ring of the second rotor assembly 2, and the two have the same rotation direction, and the two sides of the two second spiral belts 25 are flush with the second blade 23 and the end of the second shaft end blade 24. When the second main shaft 21 rotates, the direction of pushing the material is opposite to the direction of pushing the material by the second blade 23, thereby strengthening the shearing effect inside the second rotor assembly 2 and improving the mixing efficiency. When the first rotor assembly 1 and the second rotor assembly 2 are arranged, the axial end blades 14 of the first main shaft 11 and the axial end blades 24 of the first main shaft 21 are arranged on both sides respectively, so that the material forms a circular motion under the action of the outer ring blades, and under the action of the inner ring spiral belts of the two shafts, the shearing effect of the material is promoted, thereby improving the mixing efficiency.

[0023] The above description is only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A special rotor structure for a double-shaft mixer, characterized in that: The invention comprises a first rotor assembly and a second rotor assembly with two opposite rotation directions; the first rotor assembly comprises a first main shaft, a plurality of first struts are arranged through the first main shaft, and adjacent first struts are arranged cross-shaped in space, and each first strut is arranged symmetrically about the first main shaft, first blades are arranged on both sides of the first strut, but first shaft-end blades are arranged on both sides of the first strut located at the input end of the first main shaft, two first spiral belts are arranged outside the first main shaft, and the rotation directions of the first spiral belts are the same, and the first spiral belts are fixed on the first strut; the second rotor assembly comprises a second main shaft, a plurality of second struts are arranged through the second main shaft, and adjacent second struts are arranged cross-shaped in space, and each second strut is arranged symmetrically about the second main shaft, second blades are arranged on both sides of the second strut, but second shaft-end blades are arranged on both sides of the second strut located at the output end of the second main shaft, and the second shaft-end blades are far away from the first shaft-end blades, two second spiral belts are arranged outside the second main shaft, and the rotation directions of the second spiral belts are the same, and the second spiral belts are fixed on the second strut; the first blade and the second blade are arranged in a staggered manner.

2. A special rotor structure for a double-shaft mixer according to claim 1, characterized in that: The first blade is arranged at an angle to the first main axis, and the angle is between 30-60 degrees; the blade at the end of the first shaft is also arranged at an angle to the first main axis, and the angle is opposite to that of the first blade, and the angle is between 5-10 degrees; the second blade is arranged at an angle to the second main axis, and the angle is between 30-60 degrees; the blade at the end of the second shaft is also arranged at an angle to the second main axis, and the angle is opposite to that of the second blade, and the angle is between 5-10 degrees.

3. The special rotor structure for a double-shaft mixer according to claim 1, characterized in that: The first blade is flush with the end of the blade at the first shaft end; the second blade is flush with the end of the blade at the second shaft end.

4. The special rotor structure for a double-shaft mixer according to claim 1, characterized in that: The first support rod is integrally formed with the first blade and the first shaft end blade, and the second support rod is integrally formed with the second blade and the second shaft end blade.

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