Small vertical sand mill impeller for laboratory

Abstract

The utility model provides a small vertical sand mill impeller for a laboratory, and relates to the technical field of sand mills. The fixing assembly is located at the bottom of the rotating shaft and used for stabilizing the rotating shaft and preventing the rotating shaft from moving, the first fixing block is connected with the first bolt through threads to achieve fixation with the rotating shaft, the limiting rod is connected to the first fixing block in a sliding mode, and certain elastic support is provided through the telescopic spring. A second fixing block is in threaded connection with a second bolt, and the second bolt is in threaded connection with the interior of a first bolt groove, so that a paddle-shaped impeller can be fixed to the bottom of the second fixing block, the paddle-shaped impeller is connected with the rotating shaft through a sliding groove, and the paddle-shaped impeller can rotate along with the rotating shaft; when the impeller works, the first bolt can be loosened, the fixing assembly moves relative to the rotating shaft, and therefore the stability of the impeller during working is guaranteed, and the position of the impeller can be rapidly adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to sand mill technical field especially, it is a kind of small vertical sand mill impeller for laboratory. BACKGROUND

[0002] Small vertical sand mill is widely used in laboratory, mainly for efficient grinding and dispersing liquid material, its impeller design is crucial to the dispersion effect of abrasive and fluid dynamics performance, the traditional impeller often faces the problems such as low grinding efficiency and poor wear resistance, therefore, optimizing impeller structure and material, to improve grinding efficiency and stability, become one of the key technologies to improve the performance of sand mill.

[0003] However, in actual use, there are still the following deficiencies, for example: the existing small vertical sand mill impeller for laboratory cannot guarantee the stability of impeller during work and the position of impeller cannot be quickly adjusted, and unstable impeller can cause uneven stress of material during grinding process, affect the collision and extrusion effect of grinding medium and material, thereby reducing grinding efficiency and material refinement degree, and different positions have important influence on the flow state of material in grinding cavity, if the position of impeller cannot be adjusted according to material characteristics and grinding demand, it is difficult to achieve the best grinding effect.

[0004] Therefore, the utility model provides a kind of small vertical sand mill impeller for laboratory to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art, and provides a kind of small vertical sand mill impeller for laboratory.

[0006] To achieve the above object, the utility model adopts the following technical scheme: a kind of small vertical sand mill impeller for laboratory, including:

[0007] Rotating shaft;

[0008] Fixed component, the fixed component is placed on rotating shaft near the bottom one side, the fixed component includes the first fixed block being arranged at the bottom one side of rotating shaft, the first fixed block is screw-threaded with first bolt, the first fixed block is slidably connected with the limiting rod, the limiting rod is provided with telescopic spring, the bottom of the limiting rod is fixedly connected with the second fixed block, the second fixed block is screw-threaded with second bolt, the bottom of the second fixed block is provided with paddle impeller, the paddle impeller is provided with sliding slot, the paddle impeller is provided with first bolt slot near sliding slot one side, the rotating shaft is provided with second bolt slot near first bolt one side, the rotating shaft is fixed with disc impeller near the top of first fixed block one side;

[0009] An installation assembly is arranged on one side of the top of the rotating shaft, and the installation assembly comprises a limiting chuck fixed on the top of the rotating shaft, and a flange plate is fixedly connected to the bottom of the limiting chuck.

[0010] As a preferred embodiment, a limiting block is fixedly connected to one side of the top of the limiting rod.

[0011] The beneficial effect of the further scheme is that, when the limiting rod moves in the first fixed block, the limiting block can limit the movement of the limiting rod, preventing the limiting rod from falling out of the first fixed block.

[0012] As a preferred embodiment, one end of the telescopic spring is fixedly connected to the first fixed block.

[0013] The beneficial effect of the further scheme is that, since one end of the telescopic spring is fixedly connected to the first fixed block, the first fixed block can support and fix the telescopic spring.

[0014] As a preferred embodiment, the other end of the telescopic spring is fixedly connected to the second fixed block.

[0015] The beneficial effect of the further scheme is that, since the other end of the telescopic spring is fixedly connected to the second fixed block, the telescopic spring can provide an elastic force to the second fixed block, thereby providing a buffering effect to the paddle impeller.

[0016] As a preferred embodiment, the first bolt is threadedly connected in the second bolt slot.

[0017] The beneficial effect of the further scheme is that, since the first bolt is threadedly connected in the second bolt slot, the first fixed block and the structure on the first fixed block can be stably fixed on the rotating shaft.

[0018] As a preferred embodiment, the second bolt is threadedly connected in the first bolt slot.

[0019] The beneficial effect of the further scheme is that, since the second bolt is threadedly connected in the first bolt slot, the paddle impeller can be fixedly connected to the second fixed block, and through the cooperation of the second bolt and the first bolt slot, the paddle impeller can be quickly disassembled from the second fixed block.

[0020] As a preferred embodiment, a limiting slot is formed in the limiting chuck, and a limiting insertion slot is formed in the limiting chuck.

[0021] The beneficial effects of the further scheme are that the limiting groove and the limiting slot are helpful for accurate positioning during installation, ensure correct installation position of the equipment, reduce installation error, and through the close cooperation of the limiting groove and the limiting slot with other components, the stability of connection can be increased, and movement or loosening of the equipment during use due to vibration or external force is prevented.

[0022] Compared with the prior art, the advantages and positive effects of the utility model are that:

[0023] In the utility model, the fixing assembly is located at the bottom of the rotating shaft, is used for stabilizing the rotating shaft and preventing it from moving, the first fixing block is fixed with the rotating shaft through threaded connection of the first bolt, the limiting rod is slidingly connected on the first fixing block and provides certain elastic support through the telescopic spring, ensures that the rotating shaft remains stable during rotation, the second fixing block is fixed with the rotating shaft through threaded connection of the second bolt, and the second bolt is threadedly connected in the first bolt slot, so that the paddle impeller can be fixed at the bottom of the second fixing block, is connected with the rotating shaft through the sliding groove, so that the paddle impeller can rotate with the rotating shaft, when it is needed to adjust the position of the device, the first bolt can be loosened, so that the fixing assembly moves relative to the rotating shaft, thereby ensuring the stability of the impeller during work and the position of the impeller can be quickly adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structural schematic view of the laboratory small vertical sand mill impeller of the utility model;

[0025] Figure 2 It is a fixing assembly structural schematic view of the laboratory small vertical sand mill impeller of the utility model;

[0026] Figure 3 It is a fixing assembly structural split schematic view of the laboratory small vertical sand mill impeller of the utility model;

[0027] Figure 4 It is an installation assembly structural schematic view of the laboratory small vertical sand mill impeller of the utility model.

[0028] REFERENCE SIGNS:

[0029] 1, rotating shaft;

[0030] 2, fixing assembly; 21, first fixing block; 22, first bolt; 23, limiting rod; 24, limiting block; 25, telescopic spring; 26, second fixing block; 27, second bolt; 28, paddle impeller; 29, sliding groove; 210, first bolt slot; 211, second bolt slot;

[0031] 3, installation assembly; 31, limiting chuck; 32, limiting groove; 33, limiting slot; 34, flange plate;

[0032] 4. Disc-shaped impeller. Detailed Implementation

[0033] 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.

[0034] like Figures 1-4 As shown, this embodiment provides a technical solution: an impeller for a small vertical sand mill used in laboratories, comprising:

[0035] Shaft 1;

[0036] Fixing component 2 is placed on the side of the rotating shaft 1 near the bottom. Fixing component 2 includes a first fixing block 21 disposed on the bottom side of the rotating shaft 1. A first bolt 22 is threadedly connected to the first fixing block 21. A limit rod 23 is slidably connected to the first fixing block 21. A telescopic spring 25 is provided on the limit rod 23. A second fixing block 26 is fixedly connected to the bottom of the limit rod 23. A second bolt 27 is threadedly connected to the second fixing block 26. A paddle-shaped impeller 28 is provided at the bottom of the second fixing block 26. A sliding groove 29 is provided on the paddle-shaped impeller 28. A first bolt groove 210 is provided on the side of the paddle-shaped impeller 28 near the sliding groove 29. A second bolt groove 211 is provided on the side of the rotating shaft 1 near the first bolt 22. A disc-shaped impeller 4 is fixed on the side of the rotating shaft 1 near the top of the first fixing block 21.

[0037] Mounting component 3 is located on one side of the top of the rotating shaft 1. Mounting component 3 includes a limiting clamp 31 fixed to the top of the rotating shaft 1, with a flange 34 fixedly connected to the bottom of the limiting clamp 31. Fixing component 2 is located near the bottom of the rotating shaft 1 to stabilize it and prevent movement. A first fixing block 21 is fixed to the rotating shaft 1 via a threaded connection to a first bolt 22. A limiting rod 23 is slidably connected to the first fixing block 21 and provides elastic support via a telescopic spring 25 to ensure the rotating shaft 1 remains stable during rotation. A second fixing... Block 26 is connected to the second bolt 27 by a thread, and the second bolt 27 is threaded into the first bolt groove 210, so that the paddle-shaped impeller 28 can be fixed at the bottom of the second fixed block 26. It is connected to the rotating shaft 1 through the sliding groove 29, so that the paddle-shaped impeller 28 can rotate with the rotating shaft 1. When it is necessary to adjust the position of the device, the first bolt 22 can be loosened to move the fixed component 2 relative to the rotating shaft 1, thereby changing the position of the device. After the adjustment is completed, the bolt is tightened again to fix the device, thereby ensuring the stability of the impeller during operation and the ability to quickly adjust the position of the impeller.

[0038] In the above scheme, there is also the need to install the rotating shaft 1, which cannot meet the problem of accurate positioning of the rotating shaft 1, such as Figures 1-3 As shown: the top side of the limiting rod 23 is fixedly connected with a limiting block 24, because the top side of the limiting rod 23 is fixedly connected with the limiting block 24, so that the limiting block 24 can limit the movement of the limiting rod 23 when the limiting rod 23 moves in the first fixed block 21, preventing the limiting rod 23 from falling out of the first fixed block 21, one end of the extension spring 25 is fixedly connected to the first fixed block 21, because one end of the extension spring 25 is fixedly connected to the first fixed block 21, so that the first fixed block 21 can support and fix the extension spring 25, the other end of the extension spring 25 is fixedly connected to the second fixed block 26, because the other end of the extension spring 25 is fixedly connected to the second fixed block 26, so that the extension spring 25 can provide elastic force to the second fixed block 26, so as to provide a buffering effect to the paddle impeller 28, the first bolt 22 is threadedly connected in the second bolt slot 211, because the first bolt 22 is threadedly connected in the second bolt slot 211, so that the first fixed block 21 and the structure on the first fixed block 21 can be stably fixed on the rotating shaft 1, the second bolt 27 is threadedly connected in the first bolt slot 210, because the second bolt 27 is threadedly connected in the first bolt slot 210, so that the paddle impeller 28 can be fixedly connected to the second fixed block 26, and through the cooperation of the second bolt 27 and the first bolt slot 210, the paddle impeller 28 can be quickly disassembled from the second fixed block 26;

[0039] As shown in Figure 1 and Figure 4 A limiting slot 32 is formed on the limiting chuck 31, and a limiting slot 33 is formed on the limiting chuck 31, which helps to accurately position during installation, ensures the correct installation position of the equipment, reduces installation errors, and through the close cooperation of the limiting slot 32 and the limiting slot 33 with other components, the stability of the connection can be increased, preventing the equipment from moving or loosening during use due to vibration or external force.

[0040] Working principle:

[0041] As shown in Figures 1-4As shown, the fixing assembly 2 is located near the bottom of the rotating shaft 1, used to stabilize the rotating shaft 1 and prevent it from moving, the first fixing block 21 is connected with the first bolt 22 through screw connection, realizing the fixation with the rotating shaft 1, the limiting rod 23 is slidingly connected on the first fixing block 21, and provides certain elastic support through the extension spring 25, ensuring that the rotating shaft 1 remains stable during rotation, the second fixing block 26 is connected with the second bolt 27 through screw connection, and the second bolt 27 is screwed in the first bolt slot 210, so that the paddle impeller 28 can be fixed at the bottom of the second fixing block 26, and connected with the rotating shaft 1 through the sliding groove 29, so that the paddle impeller 28 can rotate with the rotating shaft 1, when it is necessary to adjust the position of the device, the first bolt 22 can be loosened, so that the fixing assembly 2 moves relative to the rotating shaft 1, thereby changing the position of the device, after the adjustment is completed, the bolt is tightened again to fix the device, the paddle impeller 28 can be disassembled and replaced from the second fixing block 26 by loosening the second bolt 27, the mounting assembly 3 is located at the top of the rotating shaft 1, used to fix the rotating shaft 1 to the transmission structure, the limiting chuck 31 is fixed on the flange plate 34, connected with other components through the flange plate 34, realizing the overall fixation of the device, the limiting slot 32 and the limiting slot 33 are helpful for accurate positioning during installation, ensuring the correct installation position of the equipment, reducing installation error, through the close cooperation of the limiting slot 32 and the limiting slot 33 with other components, the stability of the connection can be increased, preventing the equipment from moving or loosening due to vibration or external force during use.

[0042] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments made in accordance with the technical essence of the present application still fall within the protection scope of the present application.

Claims

1. An impeller for a small vertical sand mill used in laboratories, characterized in that, include: Shaft (1); A fixing component (2) is placed on the rotating shaft (1) near the bottom. The fixing component (2) includes a first fixing block (21) disposed on the bottom side of the rotating shaft (1). A first bolt (22) is threaded onto the first fixing block (21). A limit rod (23) is slidably connected to the first fixing block (21). A telescopic spring (25) is provided on the limit rod (23). A second fixing block (26) is fixedly connected to the bottom of the limit rod (23). A second bolt (27) is threaded onto the block (26). A paddle-shaped impeller (28) is provided at the bottom of the second fixed block (26). A sliding groove (29) is provided on the paddle-shaped impeller (28). A first bolt groove (210) is provided on the side of the paddle-shaped impeller (28) near the sliding groove (29). A second bolt groove (211) is provided on the side of the rotating shaft (1) near the first bolt (22). A disc-shaped impeller (4) is fixed on the side of the rotating shaft (1) near the top of the first fixed block (21). The mounting assembly (3) is placed on one side of the top of the rotating shaft (1). The mounting assembly (3) includes a limiting clip (31) fixed to the top of the rotating shaft (1). A flange (34) is fixedly connected to the bottom of the limiting clip (31).

2. The impeller of a small vertical sand mill for laboratory use according to claim 1, characterized in that: A limiting block (24) is fixedly connected to the top side of the limiting rod (23).

3. The impeller of a small vertical sand mill for laboratory use according to claim 1, characterized in that: One end of the telescopic spring (25) is fixedly connected to the first fixing block (21).

4. The impeller of a small vertical sand mill for laboratory use according to claim 1, characterized in that: The other end of the telescopic spring (25) is fixedly connected to the second fixing block (26).

5. The impeller of a small vertical sand mill for laboratory use according to claim 1, characterized in that: The first bolt (22) is threaded into the second bolt groove (211).

6. The impeller of a small vertical sand mill for laboratory use according to claim 1, characterized in that: The second bolt (27) is threaded into the first bolt groove (210).

7. The impeller of a small vertical sand mill for laboratory use according to claim 1, characterized in that: The limiting card head (31) has a limiting groove (32) and a limiting slot (33).

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