A convenient tool for assisting impeller sanding and spraying
By designing convenient tooling, the impeller is clamped using a support frame and clamping cone sleeve, enabling continuous sandblasting and spraying of the impeller. This solves the problem of multiple impeller hoisting in traditional processes and improves efficiency and quality consistency.
Patent Information
- Application Number
- CN202521191943.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-11
- Publication Date
- 2026-06-19
- Estimated Expiration
- 2035-06-11
Smart Images

Figure CN224371831U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of impeller sanding and spraying technology, specifically a convenient tooling for assisting impeller sanding and spraying. Background Technology
[0002] Impeller sandblasting is a process for treating the surface of an impeller. Sandblasting can effectively remove impurities such as oil, rust, and scale from the impeller surface, making it clean. Furthermore, the sandblasting process creates microscopic unevenness on the impeller surface, which enhances the adhesion between the coating and the impeller substrate.
[0003] In traditional spraying processes, the impeller is simply suspended by a crane for sandblasting and spraying. The entire process requires the impeller to be lowered and re-lifted multiple times, which makes sandblasting and spraying inconsistent. Workers need to spend a lot of time adjusting the impeller position, making the work process cumbersome, complicated, and inefficient. Especially when dealing with heavy impellers, the hoisting process is unstable, which seriously affects the consistency and uniformity of the spraying quality. In addition, frequent impeller transfers increase the risk of paint surface damage, leading to additional touch-up work and further reducing work efficiency. Utility Model Content
[0004] The purpose of this invention is to provide a convenient tooling for assisting impeller sandblasting and spraying, so as to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a convenient tooling for assisting impeller sandblasting and spraying, comprising a support frame, a support column fixedly installed on the top of the support frame, a top plate fixedly installed on the top of the support column, a bearing seat fixedly installed on the top of the top plate, and a rotating shaft rotatably connected to the inner wall of the bearing seat. The rotating shaft is customized according to the impeller weight and hub bore diameter, minimizing the shaft diameter while meeting strength requirements to accommodate more hub sizes. A clamping device is fixedly installed on the outer wall of the rotating shaft. The rotating shaft has a threaded push rod connected to its shaft end. The design employs a clamping cone sleeve, where two clamping cone sleeves self-center to clamp the two ends of impeller hubs of different specifications. Furthermore, in conjunction with the threaded push rod at the shaft end, a uniform and firm clamping force is provided, precisely limiting the axial displacement of the impeller and effectively clamping and fixing it. The threaded push rod acts directly on one end of the clamping cone sleeve, providing a uniform and firm clamping force, effectively limiting the axial displacement of the impeller and ensuring its stability and precise positioning. This design simplifies the structure and enhances the system's reliability and clamping accuracy.
[0006] Preferably, the bottom of the support frame is fixedly equipped with support feet.
[0007] Preferably, an impeller hub is placed on the outer wall of the rotating shaft, and both ends of the impeller hub are respectively fitted with two clamping taper sleeves.
[0008] Preferably, an impeller body is fixedly installed on the outer wall of the impeller hub.
[0009] Preferably, there are four clamping taper sleeves, and the four clamping taper sleeves are divided into two groups with two in each group. The two groups of clamping taper sleeves are symmetrically arranged on the outer wall of the rotating shaft with the center of the support column as the axis of symmetry.
[0010] Preferably, the support frame is in the shape of a "field", and the support column is located at the exact center of the support frame.
[0011] Compared with the prior art, the utility model provides a convenient tooling for assisting in sandblasting and spraying of impellers, and has the following beneficial effects:
[0012] 1. For this convenient tooling for assisting in sandblasting and spraying of impellers, the operator only needs to rotate the impeller around the axis to achieve uniform sandblasting and spraying, ensuring that all process steps from the start to the end of spraying, including sandblasting, spraying, impeller transfer, and paint drying, can be completed on the same platform, achieving the continuity of the whole process, ensuring the simplicity of operation and the consistency of quality, eliminating the need for multiple hoisting and landing, reducing manual intervention and the risk of bumping, significantly improving work efficiency and product quality, thus improving production efficiency and product quality, reducing the risk of damage caused by handling, and the simple and compact structure enhances the reliability and durability of the system, reducing maintenance costs. In summary, the present invention creates a more efficient, stable and high-quality spraying operation environment.
[0013] 2. For this convenient tooling for assisting in sandblasting and spraying of impellers, by using taper sleeve clamping and shaft-end threaded ejector rods, it ensures that the impeller body is stably fixed throughout the process, avoiding the inconvenience and risks brought by transfer and repositioning. This innovative design not only improves work efficiency, but also significantly improves spraying quality and consistency. Moreover, the clamping taper sleeve locking design can adapt to the pore diameters of impeller hubs of various sizes, ensuring that impellers of different specifications can be sprayed on the same tooling. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 is a schematic diagram of the overall sectional structure of the utility model;
[0016] Figure 3 is a schematic diagram of the overall structure of the support frame of the utility model;
[0017] Figure 4This is a schematic structural view of the impeller body of the present utility model.
[0018] In the figure: 1, support frame; 2, support column; 3, top top plate plate; 4, bearing seat; 5, rotating shaft; 6, clamping taper sleeve; 7, threaded ejector rod; 8, impeller hub; 9, impeller body; 10, support foot. Detailed implementation manners
[0019] As Figures 1-4 shown, the present utility model provides a technical solution: a convenient tooling for assisting in sandblasting and spraying of an impeller, including a support frame 1. The support frame 1 is a structurally stable support frame 1 built with square steel of 50x50mm specification. A support column 2 is fixedly installed at the top of the support frame 1. The support column 2 is made of high-strength H-shaped steel, providing a strong support effect for the top plate 3 and the bearing seat 4. The support frame 1 is in a "field" shape, and the support column 2 is located at the center of the support frame 1. A top plate 3 is fixedly installed at the top of the support column 2, and a bearing seat 4 is fixedly installed at the top of the top plate 3. The inner wall of the bearing seat 4 is rotatably connected to a rotating shaft 5. The rotating shaft 5 cooperates with a high-precision bearing seat 4 to ensure that the impeller body 9 can rotate smoothly and slowly during the spraying process. A clamping taper sleeve 6 is fixedly installed on the outer wall of the rotating shaft 5. The rotating shaft 5 is made of high-strength steel material and undergoes surface hardening treatment to enhance wear resistance. The shaft diameter size is customized according to the weight of the impeller body 9 and the aperture of the impeller hub 8, and is used in conjunction with the clamping taper sleeve 6 to adapt to impellers of different specifications. There are four clamping taper sleeves 6, and the four clamping taper sleeves 6 are divided into two groups with two in each group. The two groups of clamping taper sleeves 6 are symmetrically arranged on the outer wall of the rotating shaft 5 with the center of the support column 2 as the axis. The clamping taper sleeve 6 is made of high-strength wear-resistant material and undergoes hardening treatment to ensure the stability and precision during long-term use. A threaded ejector rod 7 is threadedly connected to the shaft end of the rotating shaft 5. Since the shaft end of the rotating shaft 5 is not subjected to bending moment, a thread about 100mm long is directly turned on the shaft end of the rotating shaft 5 and is combined with a sleeve to form a threaded ejector rod 7 device. This ejector rod directly acts on one end of the clamping taper sleeve 6 to provide a uniform and firm clamping force, effectively restricting the axial displacement of the impeller body 9 and ensuring its stability and precise position. Support feet 10 are fixedly installed at the bottom of the support frame 1. An impeller hub 8 is placed on the outer wall of the rotating shaft 5. Both ends of the impeller hub 8 are respectively in contact with the two clamping taper sleeves 6. An impeller body 9 is fixedly installed on the outer wall of the impeller hub 8. The two clamping taper sleeves 6 self-centeringly clamp both ends of the impeller hub 8 to provide a uniform and firm clamping force.
[0020] Working principle: The impeller hub 8 of the impeller body 9 is placed on the rotating shaft 5. Two clamping cone sleeves 6 self-center and clamp both ends of the impeller hub 8, providing a uniform and firm clamping force, thus limiting the impeller hub 8. Then, the threaded push rod 7 is rotated to act on one end of the clamping cone sleeve 6, allowing the clamping cone sleeve 6 to provide a uniform and firm clamping force to the impeller hub 8, effectively limiting the axial displacement of the impeller body 9, ensuring its stability and precise positioning. Furthermore, by using the clamping cone sleeve 6 and the threaded push rod 7, it achieves precise positioning of the impeller hub 8. The self-centering clamping and precise axial positioning of the impeller of the same specification ensures stability and consistency during the spraying process. During the sandblasting and spraying process, the impeller body 9 can be guaranteed to rotate smoothly and slowly through the bearing seat 4 and the rotating shaft 5, which improves the quality of sandblasting and spraying. The support legs 10 provide stable support for the support frame 1, which not only improves the stability of the support frame 1, but also creates a certain space between the support frame 1 and the ground, so that the support frame 1 can be transported by forklift, making it more convenient to use.
[0021] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.
Claims
1. A convenient tooling for assisting impeller sandblasting and spraying, comprising a support frame (1), characterized in that: A support column (2) is fixedly installed at the top of the support frame (1), a top plate (3) is fixedly installed at the top of the support column (2), a bearing seat (4) is fixedly installed at the top of the top plate (3), a rotating shaft (5) is rotatably connected to the inner wall of the bearing seat (4), a clamping cone sleeve (6) is fixedly installed on the outer wall of the rotating shaft (5), and a threaded ejector rod (7) is threadedly connected to the shaft end of the rotating shaft (5).
2. The convenient tooling for assisting impeller sandblasting and spraying according to claim 1, characterized in that: Support feet (10) are fixedly installed at the bottom of the support frame (1).
3. The convenient tooling for assisting impeller sandblasting and spraying according to claim 2, characterized in that: An impeller hub (8) is placed on the outer wall of the rotating shaft (5), and both ends of the impeller hub (8) are respectively in contact with two clamping cone sleeves (6).
4. The convenient tooling for assisting impeller sandblasting and spraying according to claim 3, characterized in that: An impeller body (9) is fixedly installed on the outer wall of the impeller hub (8).
5. The convenient tooling for assisting impeller sandblasting and spraying according to claim 1, characterized in that: Four clamping cone sleeves (6) are provided, and the four clamping cone sleeves (6) are divided into two groups with two in each group. The two groups of clamping cone sleeves (6) are symmetrically arranged about the center axis of the support column (2) on the outer wall of the rotating shaft (5).
6. The convenient tooling for auxiliary impeller sandblasting and spraying according to claim 1, characterized in that: The support frame (1) is in a "field" shape, and the support column (2) is located at the exact center of the support frame (1).