An energy-saving impeller for a mixer

Abstract

This utility model relates to the field of mixer technology, specifically to an energy-saving impeller for mixers, comprising a mixing shaft with an adjusting block rotatably mounted at its bottom end via a guide mechanism; a movable groove located inside the bottom end of the mixing shaft, wherein an adjusting mechanism is disposed inside the movable groove and is pulsatorically connected to the adjusting block; and blades symmetrically disposed on the outer sides of both ends of the bottom of the mixing shaft, wherein the blades are pulsatorically connected to the adjusting mechanism. This utility model, through the coordinated use of the adjusting block, threaded sleeve, lead screw, and adjusting frame, achieves self-locking adjustment of the impeller angle, solving the problem that the angle of existing fixed welded impellers cannot be changed once installed, making them difficult to adapt to changing working conditions.

Description

Technical Field

[0001] This utility model relates to the field of mixer technology, specifically to an energy-saving impeller for mixers. Background Technology

[0002] A mixer is a widely used mixing device in industries such as chemical, food, pharmaceutical, and building materials. Its core working component is the impeller. Driven by a drive unit, the impeller rotates, shearing, convection, and diffusion of the materials inside the tank to achieve mixing, homogenization, suspension, or to promote chemical reactions. At different process stages or when processing materials with different characteristics, the physical properties of the materials, such as viscosity and density, will change, placing different demands on mixing efficiency and energy consumption.

[0003] In the prior art, the impeller of a mixer is usually fixed to the mixing shaft by welding or bolting, and its installation angle is fixed. This structure means that a mixer can only achieve its best working efficiency under specific working conditions. When the material properties change, the fixed-angle impeller may not be able to provide an ideal flow field, resulting in a decrease in mixing efficiency. Or, in order to meet the process requirements, the drive motor needs to continuously output greater torque, thereby increasing energy consumption. Utility Model Content

[0004] The purpose of this invention is to provide an energy-saving impeller for a mixer to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] An energy-saving impeller for a mixer, comprising:

[0007] The stirring shaft has an adjustable block rotatably mounted at its bottom end via a guide mechanism.

[0008] The movable trough is located inside the bottom end of the stirring shaft, and an adjustment mechanism is provided inside the movable trough. The adjustment mechanism is connected to the adjustment block in a transmission manner.

[0009] The blades are symmetrically arranged on the outer sides of the bottom two ends of the stirring shaft, and the blades are connected to the adjustment mechanism via a transmission.

[0010] Preferably, the guiding mechanism includes an annular groove formed on the lower end face of the stirring shaft, and a guide ring fixedly connected to the top of the adjusting block, wherein the guide ring is rotatably connected to the annular groove;

[0011] Preferably, the cross-section of the annular groove and the guide ring is T-shaped;

[0012] Preferably, the adjustment mechanism includes an adjustment frame that is slidably connected to the inside of the movable groove, and a threaded sleeve that is vertically fixedly connected to the middle of the top of the adjustment block. A lead screw that is threadedly connected to the threaded sleeve is fixedly connected to the middle of the bottom end of the adjustment frame. A rectangular guide groove is provided in the middle of the top of the movable groove. A rectangular guide bar that slides with the rectangular guide groove is fixedly connected to the top of the adjustment frame.

[0013] Preferably, the adjustment mechanism further includes racks symmetrically fixedly connected to both sides of the inner wall of the adjustment frame, and connecting shafts rotatably connected to both sides of the bottom end of the stirring shaft via sealed bearings. A gear meshing with the rack is fixedly connected to one end of the connecting shaft near the adjustment frame, and a blade is fixedly connected to the other end of the connecting shaft away from the gear.

[0014] Preferably, a flange is fixedly connected to the top end of the stirring shaft.

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

[0016] This energy-saving impeller for mixers achieves self-locking adjustment of the impeller angle through the coordinated use of adjusting blocks, threaded sleeves, lead screws, and adjusting frames. This solves the problem that the angle of existing fixed welded impellers cannot be changed once installed, making it difficult to adapt to changing working conditions. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall main structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the blade mounting structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the gear mounting structure of this utility model;

[0020] Figure 4 For the present utility model Figure 2 Enlarged diagram of point A in the middle.

[0021] In the diagram: 1. Stirring shaft; 2. Adjusting block; 3. Movable groove; 4. Blade; 5. Annular groove; 6. Guide ring; 7. Adjusting frame; 8. Threaded sleeve; 9. Lead screw; 10. Rectangular guide groove; 11. Rectangular guide bar; 12. Rack; 13. Sealed bearing; 14. Connecting shaft; 15. Gear; 16. Flange. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] like Figure 1-4 As shown, this utility model provides a technical solution:

[0024] An energy-saving impeller for a mixer includes a mixing shaft 1, with an adjusting block 2 rotatably mounted at its bottom end via a guide mechanism. The guide mechanism includes an annular groove 5 formed on the lower end face of the mixing shaft 1 and a guide ring 6 fixedly connected to the top of the adjusting block 2. The guide ring 6 is rotatably connected to the annular groove 5. The cross-section of the annular groove 5 and the guide ring 6 is T-shaped. A movable groove 3 is formed inside the bottom end of the mixing shaft 1. An adjusting mechanism is installed inside the movable groove 3 and is drivenly connected to the adjusting block 2. The adjusting mechanism includes an adjusting frame 7 slidably connected to the movable groove 3 and a threaded sleeve 8 vertically fixedly connected to the middle of the top end of the adjusting block 2. A lead screw 9, threadedly connected to the threaded sleeve 8, is fixedly connected to the middle of the bottom end of the adjusting frame 7. The middle of the top end of the movable groove 3... A rectangular guide groove 10 is provided. A rectangular guide bar 11 that slides with the rectangular guide groove 10 is fixedly connected to the top of the adjustment frame 7. The adjustment mechanism also includes racks 12 that are symmetrically fixedly connected to both sides of the inner wall of the adjustment frame 7, and connecting shafts 14 that are rotatably connected to both sides of the bottom end of the stirring shaft 1 through sealed bearings 13. A gear 15 that meshes with the rack 12 is fixedly connected to the end of the connecting shaft 14 near the adjustment frame 7. The end of the connecting shaft 14 away from the gear 15 is fixedly connected to the blade 4. The blade 4 is symmetrically arranged on the outer side of both ends of the bottom of the stirring shaft 1. The blade 4 is connected to the adjustment mechanism for transmission. A flange 16 is fixedly connected to the top of the stirring shaft 1. The gear 15 on the left meshes with the rack 12 on the left, and the gear 15 on the right meshes with the rack 12 on the right.

[0025] In this embodiment, the self-locking adjustment of the blade angle is achieved through the coordinated use of the adjusting block 2, the threaded sleeve 8, the lead screw 9 and the adjusting frame 7, which solves the problem that the angle of the existing fixed welded blade cannot be changed once it is installed, making it difficult to adapt to changing working conditions.

[0026] Working principle: When the mixer is working, the drive unit drives the mixing shaft 1 to rotate through the flange 16, thereby causing the blades 4 fixed on the connecting shaft 14 to rotate accordingly for mixing. When it is necessary to adjust the mixing angle of the blades 4, the adjusting block 2 is rotated. Since the adjusting block 2 is rotatably set through the rotational engagement of the T-shaped guide ring 6 at its top end and the annular groove 5 of the T-shaped section at the bottom end of the mixing shaft 1, the rotational motion of the adjusting block 2 is converted into the rotation of the threaded sleeve 8 fixed vertically at the middle of its top end. Since the bottom end of the screw 9 threadedly connected to the threaded sleeve 8 is fixedly connected to the middle of the bottom end of the adjusting frame 7, and the adjusting frame 7 is restricted from rotation and can only slide up and down through the sliding engagement of the rectangular guide bar 11 at its top end and the rectangular guide groove 10 at the middle of the top end of the movable groove 3, the rotational motion of the threaded sleeve 8 is converted into the rotation of the threaded sleeve 8. The adjustment frame 7 moves vertically along the movable groove 3. When the adjustment frame 7 moves up and down, the racks 12 symmetrically fixed on both sides of its inner wall move synchronously. The rack 12 on the left drives the left gear 15 meshing with it to rotate, and the rack 12 on the right drives the right gear 15 meshing with it to rotate. The gears 15 are fixed to the end of the connecting shaft 14 near the adjustment frame 7. The connecting shaft 14 is rotatably connected to the bottom ends of the stirring shaft 1 through the sealed bearings 13. Thus, the rotation of the gears 15 drives the connecting shaft 14 to rotate, which ultimately causes the blades 4 fixed to the end of the connecting shaft 14 away from the gears 15 to deflect around the axis of the connecting shaft 14, thereby adjusting the stirring angle of the blades 4 on both sides. By changing the tilt angle of the blades 4 to adapt to the resistance torque under different working conditions, the driving energy consumption is reduced while achieving the same stirring effect, thus achieving the purpose of energy saving.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An energy saving blade for a blender, characterized by: include The bottom end of the stirring shaft (1) is rotatably equipped with an adjusting block (2) via a guide mechanism. The movable groove (3) is located inside the bottom end of the stirring shaft (1). An adjustment mechanism is provided inside the movable groove (3), and the adjustment mechanism is connected to the adjustment block (2) in a transmission manner. Blades (4) are symmetrically arranged on the outer sides of the bottom ends of the stirring shaft (1), and the blades (4) are connected to the adjustment mechanism via transmission.

2. The energy saving blade for a blender as claimed in claim 1, wherein: The guiding mechanism includes an annular groove (5) formed on the lower end face of the stirring shaft (1) and a guide ring (6) fixedly connected to the top of the adjusting block (2). The guide ring (6) is rotatably connected to the annular groove (5).

3. The energy-saving impeller for a mixer according to claim 2, characterized in that: The cross-sections of the annular groove (5) and the guide ring (6) are T-shaped.

4. The energy-saving impeller for a mixer according to claim 1, characterized in that: The adjustment mechanism includes an adjustment frame (7) that is slidably connected to the inside of the movable groove (3) and a threaded sleeve (8) that is vertically fixed to the middle of the top of the adjustment block (2). A screw (9) that is threadedly connected to the threaded sleeve (8) is fixedly connected to the middle of the bottom end of the adjustment frame (7). A rectangular guide groove (10) is opened in the middle of the top of the movable groove (3). A rectangular guide bar (11) that slides with the rectangular guide groove (10) is fixedly connected to the top of the adjustment frame (7).

5. The energy-saving impeller for a mixer according to claim 4, characterized in that: The adjustment mechanism also includes racks (12) symmetrically fixedly connected to both sides of the inner wall of the adjustment frame (7), and connecting shafts (14) rotatably connected to both sides of the bottom end of the stirring shaft (1) via sealed bearings (13). A gear (15) meshing with the rack (12) is fixedly connected to one end of the connecting shaft (14) near the adjustment frame (7), and the other end of the connecting shaft (14) away from the gear (15) is fixedly connected to the blade (4).

6. The energy-saving impeller for a mixer according to claim 1, characterized in that: The top end of the stirring shaft (1) is fixedly connected to a flange (16).

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