Mixing device capable of improving stirring efficiency

Abstract

The utility model discloses a mixing device capable of improving stirring efficiency, and relates to the technical field of chemical equipment. The stirring and mixing device comprises a stirring and mixing tank, a motor and a lifting stirring assembly, a motor bracket is fixedly mounted on the top surface of the stirring and mixing tank, a motor is fixedly mounted on the motor bracket, and an output shaft of the motor penetrates through the top of the stirring and mixing tank and is fixedly connected with a lifting stirring assembly; the lifting stirring assembly comprises stirring blades, a central stirring shaft and a lifting control assembly; a lifting control assembly is assembled between an output shaft of the motor and the central stirring shaft, and stirring blades are matched on the central stirring shaft. Under the action of the lifting stirring assembly, the stirring effect of height change is performed on raw materials in the stirring and mixing tank, so that a raw material area which is positioned between two adjacent stirring blades and is lack of a stirring effect can be fully stirred; the stirring device has the advantages of reducing stirring blind areas and improving the raw material stirring effect and stirring efficiency of different layered areas.

Description

Technical Field

[0001] The utility model belongs to the technical field of chemical equipment, and particularly relates to a mixing device for improving stirring efficiency. Background Art

[0002] In the process of chemical production, it is often necessary to mix and stir chemical raw materials to achieve a uniform mixing effect; among them, most of them use propeller agitators, which are beneficial to the overall stirring flow; under the condition of the same power consumption, large-diameter, low-speed agitators mainly consume power in the overall flow, which is beneficial to the macro mixing effect.

[0003] Chinese patent "An efficient spiral cleaning agitator", publication number: CN214681213U; the patent discloses an efficient spiral cleaning agitator, including a shell, a stirring shaft is arranged inside the shell, a stirring blade and a plurality of support rods are arranged on the stirring shaft, the plurality of support rods are arranged in a spiral along the stirring shaft, one section of the support rod is vertically fixed to the stirring shaft, and the other section is provided with a cleaning device, the cleaning device is in contact with the inner wall, and the inner wall of the agitator is cleaned while stirring, and the stirring material or impurities attached thereto are removed, so as to keep the inside of the agitator clean, and it is also convenient to clean the agitator later. At present, the existing stirring equipment has the problem of relatively simple stirring effect and low cleaning effect of the inner wall of the agitator.

[0004] Aiming at the problem that the stirring effect is relatively simple and thus the stirring efficiency is low, the utility model designs a mixing device which improves the stirring efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide a mixing device with improved stirring efficiency. Through the action of the lifting and stirring component, the lifting and controlling component controls the up and down positions of the central stirring shaft and the stirring blades, so that the stirring effect of the raw materials in the stirring and mixing tank can be varied with a high degree, so that the raw material area lacking stirring effect between two adjacent stirring blades can be fully stirred; it has the advantages of reducing the stirring blind area and improving the stirring effect and stirring efficiency of the raw materials in different layered areas, and solves the above-mentioned problem that the stirring effect is relatively single and leads to low stirring efficiency.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model discloses a mixing device for improving stirring efficiency, comprising a stirring mixing tank, a motor and a lifting stirring assembly; a motor bracket is fixedly installed on the top surface of the stirring mixing tank, a motor is fixedly installed on the motor bracket, an output shaft of the motor passes through the top of the stirring mixing tank and is fixedly connected with the lifting stirring assembly; the lifting stirring assembly comprises a stirring blade, a central stirring shaft and a lifting control assembly; a lifting control assembly is arranged between the output shaft of the motor and the central stirring shaft, and the central stirring shaft is equipped with a stirring blade; the lifting control assembly functions to control the height change of the central stirring shaft and the stirring blade in the stirring mixing tank, and by continuously controlling the height change during the stirring process, not only a rapid stirring effect is achieved on the side around the stirring blade, but also the stirring blade can drive the chemical raw materials at various layer heights to flip in the stirring mixing tank to achieve a stirring effect.

[0008] As a preferred technical solution of the utility model, a stirring frame is also equipped on the central stirring shaft, and the stirring frame includes a rotating frame body and a scraper plate; the scraper plate is evenly hinged on the peripheral side of the rotating frame body, and the scraper plate is provided with a one-way limit slot matching the outer wall of the rotating frame at the hinge; the one-way limit slot allows the scraper plate to rotate only toward the periphery of the rotating frame body, so that the scraper plate can be fine-tuned toward the periphery in real time, so that the scraper plate can fit better with the inner wall of the stirring and mixing tank, thereby improving the cleaning effect.

[0009] As an optimal technical solution of the utility model, the rotating frame and the scraper plate are equipped with a torsion spring at the hinge; a reinforcing connecting rod is fixedly connected between the two symmetrical bottoms of the rotating frames, a connecting ring is fixed in the middle of the reinforcing connecting rod, and the inner wall of the connecting ring cooperates with the central stirring shaft; the torsion spring squeezes the scraper plate toward the inner wall of the stirring and mixing tank and achieves a continuous force, which is beneficial to ensure the scraping effect of the scraper plate on the inner wall of the stirring and mixing tank.

[0010] As an optimal technical solution of the utility model, a driving motor is fixedly installed at the bottom of the stirring mixing tank, and the bottom of the connecting ring is fixedly installed with the output shaft of the driving motor through a coupling; the driving motor is used to control the rotation speed of the rotating frame, and the rotation speed of the rotating frame is relatively lower than the rotation speed of the stirring blade.

[0011] As a preferred technical solution of the utility model, stirring plates are fixedly connected to the opposite inner sides of the two symmetrical rotating frames; the function of the stirring plates is to improve the stirring effect under the rotation of the rotating frames.

[0012] As a preferred technical solution of the utility model, the lifting control assembly includes a rotating gear sleeve, a driven gear and a lifting cylinder; a rotating gear sleeve is fixedly connected to the output shaft of the motor, a driven gear is matched with the inner wall of the rotating gear sleeve, the driven gear is fixedly installed on the central stirring shaft, and a lifting cylinder is fixedly installed between the rotating gear sleeve and the driven gear.

[0013] As a preferred technical solution of the utility model, the rotating gear sleeve is a cylindrical structure, the inner wall of the rotating gear sleeve is provided with gear teeth, the outer wall of the rotating gear sleeve is evenly provided with rectangular through holes, and a limiting ring is fixed at the bottom of the rotating gear sleeve.

[0014] As an optimal technical solution of the utility model, a lifting and lowering circular groove is provided on the inner top wall of the rotating gear sleeve, and a supporting bottom plate is fixed thereto; a rectangular through groove is provided on the top of the central stirring shaft; the inner wall of the lifting and lowering circular groove is movably matched with the top of the central stirring shaft; the two ends of the lifting cylinder are respectively fixed on the inner top wall of the lifting and lowering circular groove and the upper surface of the supporting bottom plate; the rotating gear sleeve not only cooperates with the driven gear, but also slides up and down when the lifting cylinder performs height control.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model uses the lifting control component designed in the lifting stirring component to control the vertical height position of the central stirring shaft and the stirring blades, so that the raw materials in the stirring mixing tank can be stirred with varying heights, so that the raw material area between two adjacent stirring blades that lacks stirring effect can be fully stirred; it has the advantages of reducing the stirring blind area and improving the stirring effect and stirring efficiency of the raw materials in different layered areas.

[0017] 2. The utility model has a one-way limit slot and a torsion spring designed in the scraper plate, so that the scraper plate fits more closely to the inner wall of the mixing tank and exerts a continuous force, which has the advantage of improving the cleaning effect.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1This is a schematic diagram of the internal structure of a mixing device for improving stirring efficiency of the utility model in Example 1;

[0021] Figure 2 This is a schematic diagram of the external structure of a mixing device for improving stirring efficiency of the utility model in Example 1;

[0022] Figure 3 It is a partial structural cross-sectional view of the rotating gear sleeve in the first embodiment;

[0023] Figure 4 It is a partial structural schematic diagram of the driven gear and the central stirring shaft in the first embodiment;

[0024] Figure 5 It is a structural schematic diagram of the lifting control assembly in the first embodiment;

[0025] Figure 6 This is a schematic diagram of the internal structure of a mixing device for improving stirring efficiency of the utility model in Example 2;

[0026] Figure 7 It is a structural schematic diagram of the rotating frame and the scraper plate in the second embodiment;

[0027] Figure 8 It is a cross-sectional view of the rotating frame and the scraper plate in the second embodiment;

[0028] Fig. 9 This is a schematic diagram of the internal structure of a mixing device for improving stirring efficiency of the utility model in Example 3;

[0029] Fig.10 It is a structural schematic diagram of the rotating frame and the scraper plate in the third embodiment;

[0030] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0031] 1-mixing tank, 2-motor, 3-lifting and stirring assembly, 101-motor bracket, 301-stirring blade, 302-central stirring shaft, 303-lifting control assembly, 304-stirring frame, 3031-rotating gear sleeve, 3032-driven gear, 3033-lifting cylinder, 3034-gear teeth, 3035-rectangular through hole, 3036-limiting ring, 3037-lifting and giving way circular groove, 3038-support bottom plate, 3039-rectangular through groove, 3041-rotating frame, 3042-scraping plate, 3043-one-way limiting slot, 3044-torsion spring, 3045-reinforcement connecting rod, 3046-connecting ring, 3047-stirring plate, 3048-driving motor, 3049-coupling. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Embodiment 1

[0034] See also Figure 1-5 As shown, the utility model is a mixing device for improving stirring efficiency, comprising a stirring mixing tank 1, a motor 2 and a lifting stirring assembly 3; a motor bracket 101 is fixedly installed on the top surface of the stirring mixing tank 1, a motor 2 is fixedly installed on the motor bracket 101, an output shaft of the motor 2 passes through the top of the stirring mixing tank 1 and is fixedly connected to the lifting stirring assembly 3; the lifting stirring assembly 3 comprises a stirring blade 301, a central stirring shaft 302 and a lifting control assembly 303; a lifting control assembly 303 is assembled between the output shaft of the motor 2 and the central stirring shaft 302, and the central stirring shaft 302 is equipped with a stirring blade 301; the lifting control assembly 303 functions to control the height change of the central stirring shaft 302 and the stirring blade 301 in the stirring mixing tank 1, and by continuously controlling the height change during the stirring process, not only a rapid stirring effect is performed on the side of the stirring blade 301, but also the stirring blade 301 can drive the chemical raw materials of each layer height to flip and stir in the stirring mixing tank 1.

[0035] Among them Figure 3-5 As shown, the lifting control component 303 includes a rotating gear sleeve 3031, a driven gear 3032 and a lifting cylinder 3033; the rotating gear sleeve 3031 is fixedly connected to the output shaft of the motor 2, the inner wall of the rotating gear sleeve 3031 is matched with the driven gear 3032, the driven gear 3032 is fixedly installed on the central stirring shaft 302, and the lifting cylinder 3033 is fixedly installed between the rotating gear sleeve 3031 and the driven gear 3032.

[0036] Among them Figure 3-5 As shown, the rotating gear sleeve 3031 is a cylindrical structure, the inner wall of the rotating gear sleeve 3031 is provided with gear teeth 3034, the outer wall of the rotating gear sleeve 3031 is evenly provided with rectangular through holes 3035, and a limiting ring 3036 is fixed at the bottom of the rotating gear sleeve 3031.

[0037] Among them Figure 3-5As shown, a lifting and lowering circular groove 3037 is provided on the inner top wall of the rotating gear sleeve 3031, and a supporting bottom plate 3038 is fixed thereto. A rectangular through groove 3039 is provided on the top of the central stirring shaft 302. The inner wall of the lifting and lowering circular groove 3037 and the top of the central stirring shaft 302 are movably matched. The two ends of the lifting cylinder 3033 are respectively fixed on the inner top wall of the lifting and lowering circular groove 3037 and the upper surface of the supporting bottom plate 3038. The rotating gear sleeve 3031 and the driven gear 3032 not only cooperate with each other, but also slide up and down when the lifting cylinder 3033 performs height control.

[0038] Embodiment 2

[0039] A more preferred technical solution based on the first embodiment is as follows: Figure 6-8 As shown, a stirring frame 304 is also mounted on the central stirring shaft 302, and the stirring frame 304 includes a rotating frame body 3041 and a scraper plate 3042; the scraper plate 3042 is evenly hinged on the side surface of the rotating frame body 3041, and the scraper plate 3042 is provided with a one-way limiting slot 3043 that matches the outer wall of the rotating frame body 3041 at the hinge; the one-way limiting slot 3043 allows the scraper plate 3042 to rotate only toward the periphery of the rotating frame body 3041, so that the scraper plate 3042 can be fine-tuned toward the periphery in real time, so that the scraper plate 3042 is more closely fitted to the inner wall of the stirring and mixing tank 1, thereby improving the cleaning effect.

[0040] Among them Figure 6 As shown, a reinforcing connecting rod 3045 is fixedly connected between the bottoms of two symmetrical rotating frames 3041, a connecting ring 3046 is fixed in the middle of the reinforcing connecting rod 3045, and the inner wall of the connecting ring 3046 cooperates with the central stirring shaft 302; a driving motor 3048 is fixedly installed at the bottom of the stirring mixing tank 1, and the bottom of the connecting ring 3046 is fixedly installed with the output shaft of the driving motor 3048 through a coupling 3049; the driving motor 3048 is used to control the rotation speed of the rotating frame 3041, and the rotation speed of the rotating frame 3041 is relatively lower than the rotation speed of the stirring blade 301.

[0041] Embodiment 3

[0042] A more preferred technical solution based on the second embodiment is as follows: Figure 9-10 As shown, a torsion spring 3044 is installed at the hinge of the rotating frame 3041 and the scraper plate 3042; a stirring plate 3047 is fixedly connected to the opposite inner sides of the two symmetrical rotating frames 3041; the torsion spring 3044 squeezes the scraper plate 3042 toward the inner wall of the mixing tank 1 and achieves a continuous force, which is beneficial to ensure the scraping effect of the scraper plate 3042 on the inner wall of the mixing tank 1; the function of the stirring plate 3047 is that under the rotation of the rotating frame 3041, the stirring plate 3047 can improve the stirring effect.

[0043] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A mixing device for improving stirring efficiency, characterized in that: It comprises a stirring and mixing tank (1), a motor (2) and a lifting and stirring assembly (3); A motor bracket (101) is fixedly mounted on the top surface of the stirring and mixing tank (1), a motor (2) is fixedly mounted on the motor bracket (101), and an output shaft of the motor (2) passes through the top of the stirring and mixing tank (1) and is fixedly connected to a lifting and stirring assembly (3); The lifting and stirring assembly (3) comprises a stirring blade (301), a central stirring shaft (302) and a lifting and stirring control assembly (303); the lifting and stirring control assembly (303) is arranged between the output shaft of the motor (2) and the central stirring shaft (302), and the stirring blade (301) is matched on the central stirring shaft (302).

2. A mixing device for improving stirring efficiency according to claim 1, characterized in that: The central stirring shaft (302) is also equipped with a stirring frame (304), and the stirring frame (304) comprises a rotating frame body (3041) and a scraper plate (3042); the scraper plate (3042) is evenly hinged on the peripheral side surface of the rotating frame body (3041), and the scraper plate (3042) is provided with a one-way limiting slot (3043) that matches the outer wall of the rotating frame body (3041) at the hinge.

3. A mixing device for improving stirring efficiency according to claim 2, characterized in that: The rotating frame (3041) and the scraper plate (3042) are equipped with a torsion spring (3044) at the hinge; a reinforcing connecting rod (3045) is fixedly connected between the bottoms of the two symmetrical rotating frames (3041), and a connecting ring (3046) is fixed in the middle of the reinforcing connecting rod (3045), and the inner wall of the connecting ring (3046) cooperates with the central stirring shaft (302).

4. A mixing device for improving stirring efficiency according to claim 3, characterized in that: A driving motor (3048) is fixedly mounted on the bottom of the stirring and mixing tank (1), and the bottom of the connecting ring (3046) is fixedly mounted on the output shaft of the driving motor (3048) via a coupling (3049).

5. A mixing device for improving stirring efficiency according to claim 4, characterized in that: A stirring plate (3047) is fixedly connected to opposite inner sides of the two symmetrical rotating frames (3041).

6. A mixing device for improving stirring efficiency according to claim 1, characterized in that: The lifting control component (303) comprises a rotating gear sleeve (3031), a driven gear (3032) and a lifting cylinder (3033); the rotating gear sleeve (3031) is fixedly connected to the output shaft of the motor (2), the inner wall of the rotating gear sleeve (3031) is matched with a driven gear (3032), the driven gear (3032) is fixedly installed on the central stirring shaft (302), and the lifting cylinder (3033) is fixedly installed between the rotating gear sleeve (3031) and the driven gear (3032).

7. A mixing device for improving stirring efficiency according to claim 6, characterized in that: The rotating gear sleeve (3031) is a cylindrical structure. The inner wall of the rotating gear sleeve (3031) is provided with gear teeth (3034). The outer wall of the rotating gear sleeve (3031) is evenly provided with rectangular through holes (3035). A limiting ring (3036) is fixed at the bottom of the rotating gear sleeve (3031).

8. A mixing device for improving stirring efficiency according to claim 6, characterized in that: The inner top wall of the rotating gear sleeve (3031) is provided with a lifting and yielding circular groove (3037) and is fixed with a supporting bottom plate (3038); the top of the central stirring shaft (302) is provided with a rectangular through groove (3039); the inner wall of the lifting and yielding circular groove (3037) is movably matched with the top of the central stirring shaft (302); the two ends of the lifting cylinder (3033) are respectively fixed on the inner top wall of the lifting and yielding circular groove (3037) and the upper surface of the supporting bottom plate (3038).

Images