Impeller of abrasive paper polishing machine

By using powder metallurgy materials and a specially designed impeller, the problem of impellers being prone to bursting under high pressure and high speed was solved, and the durability and torque performance were improved.

CN223719274UActive Publication Date: 2025-12-26GUANGDONG LULULU TRADING TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421430798.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-12-26
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

The impellers of existing sandpaper polishing machines are prone to bursting under high pressure and high speed, resulting in a short service life.

Method used

The impeller is made of powder metallurgy material and has strip-shaped air grooves between the blades. The blades are hollow with an included angle of 35 degrees, and one side of the blade is open while the other side is closed.

Benefits of technology

It improves the impeller's durability, prevents cracking, and enhances the impeller's torque performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of polishing machines, in particular to an abrasive paper polishing machine impeller. Comprising a body, the body is of a cylindrical structure composed of a plurality of evenly-distributed blades, a shaft hole is formed in the center of the body, key grooves are formed in the shaft hole, and strip-shaped air grooves are formed between the blades. Each blade is of a hollow structure, one side of each blade is provided with an opening, and the other side of each blade is provided with a closed cavity bottom. The included angle a between the center line of the strip-shaped air groove and the radial line of the midpoint of the bottom of the strip-shaped air groove is 35 degrees. The polishing impeller is made of powder metallurgy materials. The impeller has the advantages that durability is improved, bursting is avoided, and impeller torque can be increased due to the included angle between the strip-shaped air grooves and the radial line of the impeller.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a polishing machine technical field especially relates to a sand paper polishing machine impeller. BACKGROUND

[0002] At present, sand paper polishing machine adopts high pressure air as power, its impeller all adopts plastic material, under the environment of high pressure, high speed operation, the impeller is easy to burst, and the service life is shorter. INNOVATION CONTENT

[0003] The utility model discloses a sand paper polishing machine impeller, which effectively solves the problems in the background art.

[0004] To achieve the above object, the utility model takes the following technical scheme: a sand paper polishing machine impeller, comprising a body, the body is the cylindrical structure that several evenly distributed blades are formed, is provided with the shaft hole in the center, is provided with the key groove in the shaft hole, is provided with strip air groove between each blade.

[0005] Preferably, the blade is a hollow structure, all the blades are open on one side, and the other side is provided with a cavity bottom closure.

[0006] Preferably, the radial line included angle a between the center line of the strip air groove and the midpoint of the strip air groove groove bottom is 35 degrees.

[0007] Preferably, the sand paper polishing machine impeller adopts powder metallurgy material.

[0008] The utility model has the advantages of improved durability, no burst, and improved impeller torque by setting the included angle between the strip air groove of the impeller and the radial line. DRAWINGS

[0009] Figure 1 is a front view of the utility model structure. Figure 1 Figure 2 is a back view of the utility model structure.

[0010] Figure 3 is a side view of the utility model structure. Figure 2 Figure 4 is a front view of the utility model structure. Figure 1 Figure 5 is an A-A sectional view of the utility model structure.

[0011] Figure 6 is a back view of the utility model structure. Figure 3 Figure 7 is a front view of the utility model structure.

[0012] Figure 8 is a back view of the utility model structure. Figure 4 Figure 9 is a front view of the utility model structure.

[0013] Figure 10 is a back view of the utility model structure. Figure 1 In figure 4, blade 1, air groove 2, cavity 3, shaft hole 4, key groove 5, cavity bottom 6. DETAILED DESCRIPTION

[0014] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0015] Embodiment 1

[0016] Attached Figure 1 As shown in Fig. 4, a sandpaper polishing machine impeller comprises a body, the body is a cylindrical structure composed of a plurality of evenly distributed blades 1, a shaft hole 4 is arranged at the center, a key groove 5 is arranged in the shaft hole 4, and a strip-shaped air groove 2 is arranged between each blade.

[0017] The blade is a hollow structure, provided with a cavity 3, all the blades are open at one side and closed at the other side by a cavity bottom 6.

[0018] The included angle a between the center line of the strip-shaped air groove 2 and the radial line of the midpoint of the groove bottom of the strip-shaped air groove 2 is 35 degrees.

[0019] The sandpaper polishing machine impeller is made of powder metallurgy material.

[0020] The present application has the advantages of improved durability, no burst, and improved impeller torque by setting the included angle between the strip-shaped air groove of the blade and the radial line.

[0021] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A sanding machine impeller characterized by: It includes the body, the body is several uniform leaf consists of cylindrical structure, central setting shaft hole, shaft hole sets up the keyway, each leaf between setting strip air groove.

2. A sanding machine impeller according to claim 1, wherein: The blade is a hollow structure, all the blades are opened on one side, and the other side is provided with a cavity bottom closure.

3. A sanding machine impeller according to claim 1, wherein: The radial line of the center line of the strip air groove and the midpoint of the strip air groove groove bottom is 35 degrees.

4. A sanding machine impeller according to claim 1, wherein: The sandpaper polishing machine impeller adopts powder metallurgy material.