Grinding wheel metal rod with low rolling resistance structure

Abstract

The utility model is applied to the field of metal rods, in particular to a grinding wheel metal rod with a low rolling resistance structure, which comprises a metal rod body, a grinding wheel sleeved on the metal rod body and a fixing nut fixedly connected to the metal rod body, one end of the metal rod body is provided with a flow guide end, and the other end of the metal rod body is uniformly provided with circulating grooves. The circulation groove is designed in an arc shape, a plurality of circulation holes used for air circulation are annularly and evenly formed in the surface of the grinding wheel, the flow guide end on one side of the metal rod body rotates, air is guided to circulate around the metal rod body, the air flows to the other side of the metal rod body through the circulation holes, and the air circulates along the circulation groove. Therefore, the air resistance during rotation of the metal rod body is reduced, the rotation speed of the metal rod body is increased, and the working efficiency of the grinding wheel is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of metal rods, in particular to a grinding wheel metal rod with a low rolling resistance structure. Background Art

[0002] A grinding wheel is a grinding tool that is a bonded abrasive that is formed of a certain shape (mostly round with a through hole in the center) using a binder to bond ordinary abrasives. It is a bonded abrasive with a certain strength. The characteristics of a grinding wheel are: high grinding efficiency, high grinding accuracy, low grinding temperature, small surface roughness, good self-sharpening, and long service life. The grinding wheel is usually connected to the power component through a metal rod body. When the existing metal rod body rolls, it will generate air resistance, thereby affecting the running speed of the grinding wheel and reducing the working efficiency of the grinding wheel. Utility Model Content

[0003] The utility model aims to provide a grinding wheel metal rod with a low rolling resistance structure to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low rolling resistance structure grinding wheel metal rod, comprising a metal rod body, a grinding wheel sleeved on the metal rod body, and a fixing nut fixedly connected to the metal rod body, one end of the metal rod body is provided with a guide end, the other end of the metal rod body is evenly provided with a plurality of flow grooves, the flow grooves are designed in an arc shape, and a plurality of flow holes for air circulation are evenly provided in a ring shape on the surface of the grinding wheel.

[0005] Preferably, the top surface of the guide end is convexly provided with rotating blades for air guidance.

[0006] Preferably, a first through hole is opened at the center of the grinding wheel, an annular limiting platform is convexly provided on the metal rod body, and one end of the metal rod body passes through the first through hole and limits the grinding wheel through the annular limiting platform.

[0007] Preferably, the outer diameter of the annular limiting platform is smaller than the distance from the center of the flow hole to the center of the grinding wheel.

[0008] Preferably, a threaded section is convexly provided on the outer periphery of the metal rod body at the rear side of the guide end, and the fixing nut and the threaded section are threadably matched to fix and limit the grinding wheel.

[0009] Preferably, a mobile truncated platform is provided on the rear side of the annular limiting platform.

[0010] Preferably, a slope for air circulation is provided on one side of the fixing nut close to the guide end.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. A low rolling resistance structure grinding wheel metal rod, comprising a metal rod body, a grinding wheel sleeved on the metal rod body, and a fixing nut fixedly connected to the metal rod body, wherein a guide end is provided at one end of the metal rod body, and a plurality of flow grooves are evenly provided at the other end of the metal rod body, wherein the flow grooves are arc-shaped, and a plurality of flow holes for air circulation are evenly provided in an annular shape on the surface of the grinding wheel. The guide end on one side of the metal rod body rotates to guide air to circulate around the metal rod body, and the air flows to the other side of the metal rod body through the flow hole, and the air circulates along the flow grooves, thereby reducing the air resistance when the metal rod body rotates, increasing the rotation speed of the metal rod body, and thus improving the working efficiency of the grinding wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the overall structure of the utility model from another perspective;

[0015] Figure 3 It is a schematic diagram of the exploded structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the air flow direction of the utility model;

[0017] In the figure: a metal rod body 1, a flow groove 10, an annular limit platform 11, a flow truncated platform 12, a threaded section 13, a guide end 14, a grinding wheel 2, a flow hole 20, a first through hole 21, a fixing nut 3, and a slope 30. DETAILED DESCRIPTION

[0018] 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 in 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.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate directions or positional relationships based on the attached Figure 1 The orientation or position relationship shown is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] like Figures 1 to 4 As shown, the present embodiment is a low rolling resistance structure grinding wheel metal rod, comprising a metal rod body 1, a grinding wheel 2 sleeved on the metal rod body 1, and a fixing nut fixedly connected to the metal rod body 1, one end of the metal rod body 1 is provided with a guide end 14, the other end of the metal rod body 1 is evenly provided with a plurality of flow grooves 10, the flow grooves 10 are designed in an arc shape, and the surface of the grinding wheel 2 is evenly provided with a plurality of flow holes 20 for air circulation in a ring shape, and the guide end 14 on one side of the metal rod body 1 rotates to guide air to circulate around the metal rod body 1, and the air flows to the other side of the metal rod body 1 through the flow holes 20, and the air circulates along the flow grooves 10, thereby reducing the air resistance of the metal rod body 1 when rotating, and increasing the rotation rate of the metal rod body 1, thereby improving the working efficiency of the grinding wheel 2.

[0022] Specifically, the top surface of the guide end 14 is convexly provided with rotating blades for air guidance, and the rotating blades divert the air, thereby reducing air resistance and improving the rotation efficiency of the metal rod 1 of the utility model.

[0023] Furthermore, a first through hole 21 is opened in the center of the grinding wheel 2, and an annular limit platform 11 is convexly provided on the metal rod 1. One end of the metal rod 1 passes through the first through hole 21 and limits the grinding wheel 2 through the annular limit platform 11. A threaded section 13 is convexly provided on the outer periphery of the metal rod 1 on the rear side of the guide end 14. The fixing nut and the threaded section 13 are threadedly matched to fix and limit the grinding wheel 2, thereby realizing the limitation of the grinding wheel 2 of the utility model and improving the stability of the grinding wheel 2.

[0024] Furthermore, a slope 30 is provided on one side of the fixing nut close to the guide end 14, and the slope 30 guides the flowing air, thereby guiding the air to the circulation hole 20. The outer diameter of the annular limit platform 11 is smaller than the distance from the center of the circulation hole 20 to the center of the grinding wheel 2, thereby enabling the air to flow from the circulation hole 20 to the back of the grinding wheel 2.

[0025] Furthermore, a flow truncated platform 12 is protrudingly provided on one side of the annular limiting platform 11 away from the grinding wheel 2. The flow truncated platform 12 guides the air, thereby reducing the air resistance of the rotation of the utility model.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A low rolling resistance grinding wheel metal rod, characterized in that: It includes a metal rod body, a grinding wheel sleeved on the metal rod body, and a fixing nut fixedly connected to the metal rod body. One end of the metal rod body is provided with a guide end, and the other end of the metal rod body is evenly provided with a plurality of flow grooves, the flow grooves are designed in an arc shape, and the surface of the grinding wheel is evenly provided with a plurality of flow holes for air circulation in a ring shape.

2. The low rolling resistance structure grinding wheel metal rod according to claim 1, characterized in that: The top surface of the guide end is convexly provided with rotating blades for air guidance.

3. The low rolling resistance structure grinding wheel metal rod according to claim 1, characterized in that: A first through hole is provided at the center of the grinding wheel, an annular limiting platform is convexly provided on the metal rod body, and one end of the metal rod body passes through the first through hole and limits the grinding wheel through the annular limiting platform.

4. The low rolling resistance structure grinding wheel metal rod according to claim 3, characterized in that: The outer diameter of the annular limiting platform is smaller than the distance from the center of the flow hole to the center of the grinding wheel.

5. The low rolling resistance structure grinding wheel metal rod according to claim 3, characterized in that: A threaded section is convexly provided on the outer periphery of the metal rod body at the rear side of the guide end, and the fixing nut is threadably matched with the threaded section to fix and limit the grinding wheel.

6. The low rolling resistance structure grinding wheel metal rod according to claim 3, characterized in that: A mobile truncated platform is convexly provided on one side of the annular limiting platform away from the grinding wheel.

7. The low rolling resistance grinding wheel metal rod according to claim 1, characterized in that: A slope for air circulation is provided on one side of the fixing nut close to the flow guide end.

Images