CN216504463U

CN216504463U - Centreless grinding wheel

Info

Publication number: CN216504463U
Application number: CN202123108385.8U
Authority: CN
Inventors: 王俊芳
Original assignee: Hebei Xinxude Wear Resistant Material Technology Co ltd
Current assignee: Hebei Xinxude Wear Resistant Material Technology Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-05-13
Anticipated expiration: 2031-12-13

Abstract

The utility model relates to the technical field of grinding tools, and discloses a centerless grinding wheel which comprises a grinding wheel body and a using device, wherein the using device comprises a wind guide block, two ends of the grinding wheel body are respectively provided with a mounting circular hole, a mounting shaft hole is formed in the grinding wheel body, the wind guide block is fixedly mounted on the inner wall of the mounting circular hole, a heat dissipation flow groove, a heat dissipation flow channel and a wind inlet and outlet vent groove are formed in the mounting shaft hole, high temperature generated in the grinding wheel in the grinding process is facilitated to be sucked by using the wind inlet and outlet vent groove, the direction of the wind inlet and outlet vent groove is the tangential direction of the grinding wheel, air enters from the wind inlet and outlet vent groove, finally flows in the grinding wheel cavity along the heat dissipation flow channel, forced convection heat exchange is realized by promoting temperature flow through the heat dissipation flow groove, the heat can be effectively reduced, the effect of convenient use is achieved, and the problem that a large amount of grinding heat generated in the grinding process cannot be timely dissipated is solved, the problem of grinding wheel fragmentation can be seriously caused.

Description

Centreless grinding wheel

Technical Field

The utility model relates to the technical field of grinding tools, in particular to a centerless grinding wheel.

Background

The grinding wheel is the most important grinding tool in grinding processing, and is a bonded grinding tool which is formed by bonding ordinary grinding materials into a certain shape by a bonding agent and has certain strength. The grinding wheel is the one with the largest use amount and the widest use range in the grinding tool, rotates at high speed when in use, and can perform coarse grinding, semi-fine grinding, slotting, cutting and the like on the excircle, the inner circle, the plane, various molded surfaces and the like of a metal or nonmetal workpiece. In the grinding process, as the grinding speed is very high, the unit grinding force is large, most of the work consumed by metal deformation and friction is converted into grinding heat, the high-speed grinding can not only improve the processing efficiency, but also improve the quality of the processed surface, but the result of the high-speed grinding is that a large amount of grinding heat is generated and cannot be dissipated in time, and the grinding wheel is cracked seriously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a centerless grinding wheel, which achieves the purpose of convenient use.

In order to achieve the purpose, the utility model provides the following technical scheme: the centerless grinding wheel comprises a grinding wheel body and a using device, wherein the using device comprises an air guide block, mounting round holes are respectively formed in two ends of the grinding wheel body, mounting shaft holes are formed in the grinding wheel body, and the air guide block is fixedly mounted on the inner wall of the mounting round holes.

Preferably, the mounting round hole is communicated with the mounting shaft hole.

Preferably, the number of the air guide blocks is seven, the air guide blocks are crescent, and the air guide blocks can drive the air guide blocks to rotate in the rotating process of the grinding wheel by using the air guide blocks, so that air is formed, and the grinding wheel can be cooled.

Preferably, the inner wall of the mounting shaft hole is respectively provided with a heat dissipation flowing groove, a heat dissipation flow channel and an air inlet and outlet groove.

Preferably, the number of the heat dissipation flow grooves, the heat dissipation flow channels and the air inlet and outlet grooves is seven, and the air inlet and outlet grooves are triangular.

Preferably, the heat dissipation flow channel is arranged between two adjacent heat dissipation flow grooves, the heat dissipation flow grooves are communicated with the heat dissipation flow channel, and heat circulation is facilitated by using the heat dissipation flow channel.

Preferably, the inlet and outlet ventilation grooves are formed between two adjacent heat dissipation flow grooves, and the heat dissipation flow channels are communicated with the inlet and outlet ventilation grooves.

The utility model provides a centerless grinding wheel. The method has the following beneficial effects:

(1) according to the utility model, the mounting round holes are formed at the two ends of the grinding wheel, so that the air guide block can be conveniently mounted on the mounting round holes, and the air guide block can be driven to rotate in the rotating process of the grinding wheel by using the air guide block, so that air is formed, the grinding wheel can be radiated, the deformation and damage of the grinding wheel due to long-time high temperature are avoided, the service life of the grinding wheel is prolonged, and the effect of convenience in use is achieved.

(2) According to the utility model, the heat dissipation flow groove, the heat dissipation flow channel and the air inlet and outlet groove are formed in the mounting shaft hole, so that high temperature generated in the grinding wheel in the grinding process is more beneficial to air suction by using the air inlet and outlet groove, the direction of the air inlet and outlet groove is the tangential direction of the grinding wheel, air enters from the air inlet and outlet groove and finally flows in the grinding wheel cavity along the heat dissipation flow channel, and the temperature flow is promoted by the heat dissipation flow groove to realize forced convection heat exchange, so that the heat can be effectively reduced, the effect of convenience in use is achieved, and the problem that a large amount of grinding heat generated in the grinding process cannot be timely dissipated and the grinding wheel is seriously cracked is solved.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

fig. 4 is a front sectional view of the present invention.

In the figure: 1 grinding wheel body, 2 using device, 201 mounting round hole, 202 mounting shaft hole, 203 air guide block, 204 heat dissipation flow groove, 205 heat dissipation flow channel, 206 in-out air guide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 4, the present invention provides a technical solution: centerless grinding wheel, including grinding wheel body 1 and operative installations 2, operative installations 2 is including air guide block 203, installation round hole 201 has been seted up respectively to the both ends of grinding wheel body 1, installation shaft hole 202 has been seted up to the inside of grinding wheel body 1, installation round hole 201 and installation shaft hole 202 intercommunication set up, the quantity of air guide block 203 is seven, the shape of air guide block 203 is crescent, air guide block 203 fixed mounting is at the inner wall of installation round hole 201, through seting up installation round hole 201 at the both ends of grinding wheel, be convenient for install air guide block 203 on installation round hole 201, through using air guide block 203, can drive air guide block 203 to rotate at the pivoted in-process when the grinding wheel, thereby form wind, can dispel the heat to the grinding wheel, thereby avoid the grinding wheel to produce deformation and damage because of long-time high temperature, the life of grinding wheel has been prolonged, the effect convenient to use has been reached, heat dissipation flow groove 204 has been seted up respectively to the inner wall in installation shaft hole 202, The grinding wheel comprises heat dissipation flow channels 205 and inlet and outlet ventilation grooves 206, wherein the number of the heat dissipation flow channels 204, the number of the heat dissipation flow channels 205 and the number of the inlet and outlet ventilation grooves 206 are seven, the shape of the inlet and outlet ventilation grooves 206 is triangular, the heat dissipation flow channels 205 are arranged between two adjacent heat dissipation flow channels 204, the heat dissipation flow channels 204 are communicated with the heat dissipation flow channels 205, the inlet and outlet ventilation grooves 206 are arranged between two adjacent heat dissipation flow channels 204, the heat dissipation flow channels 205 and the inlet and outlet ventilation grooves 206 are arranged in an installation shaft hole 202, high temperature generated in the grinding wheel in the grinding process is facilitated by using the inlet and outlet ventilation grooves 206, the direction of the inlet and outlet ventilation grooves 206 is the tangential direction of the grinding wheel, air enters from the inlet and outlet ventilation grooves 206, finally flows in the cavity of the grinding wheel along the heat dissipation flow channels 205, and the temperature flows through the heat dissipation flow channels 204 to realize forced convection heat exchange, can effectively reduce the heat, reach the effect of convenient to use, solve the in-process that produces a large amount of grinding heat and can't in time spill at the grinding, can lead to the cracked problem of emery wheel seriously.

When in use, the installation round holes 201 are arranged at the two ends of the grinding wheel, the air guide block 203 is convenient to be installed on the installation round holes 201, the air guide block 203 is used, when the grinding wheel can drive the air guide block 203 to rotate in the rotating process, air is formed, the heat can be dissipated to the grinding wheel, the deformation and the damage of the grinding wheel caused by long-time high temperature are avoided, the service life of the grinding wheel is prolonged, the heat dissipation flowing groove 204, the heat dissipation flowing channel 205 and the in-and-out ventilation groove 206 are arranged in the installation shaft hole 202, the high temperature generated in the grinding process is facilitated by using the in-and-out ventilation groove 206, the direction of the in-and-out ventilation groove 206 is the tangential direction of the grinding wheel, the air enters from the in-and-out ventilation groove 206, finally flows in the grinding wheel cavity along the heat dissipation flowing channel 205, and forced convection heat exchange is realized by promoting the temperature flowing through the heat dissipation flowing groove 204, the heat quantity can be effectively reduced.

To sum up, can obtain, offer installation round hole 201 through the both ends at the emery wheel, be convenient for install air guide block 203 on installation round hole 201, through using air guide block 203, can drive air guide block 203 and rotate at the pivoted in-process when the emery wheel to form wind, can dispel the heat to the emery wheel, thereby avoid the emery wheel to produce deformation and damage because of long-time high temperature, prolonged the life of emery wheel, reached the effect of convenient to use.

Through seting up heat dissipation flow groove 204 in the inside of installation shaft hole 202, heat dissipation runner 205 and business turn over air duct 206, the high temperature of the in-process emery wheel inside production of grinding, through using business turn over air duct 206, business turn over air duct 206 direction is the tangential direction of emery wheel, more do benefit to the intake air, the air gets into from business turn over air duct 206, finally flow in the emery wheel cavity along heat dissipation runner 205, through heat dissipation flow groove 204, make the temperature flow come in order to realize forced convection heat transfer, can effectively reduce the heat, the effect convenient to use has been reached, it can't in time radiate to have solved the in-process that produces a large amount of grinding heat at the grinding, can lead to the cracked problem of emery wheel seriously.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Centerless grinding wheel, including emery wheel body (1) and operative installations (2), its characterized in that: the using device (2) comprises an air guide block (203), mounting round holes (201) are formed in two ends of the grinding wheel body (1) respectively, a mounting shaft hole (202) is formed in the grinding wheel body (1), and the air guide block (203) is fixedly mounted on the inner wall of the mounting round hole (201).

2. The centerless grinding wheel of claim 1, wherein: the mounting round hole (201) is communicated with the mounting shaft hole (202).

3. The centerless grinding wheel of claim 1, wherein: the number of the air guide blocks (203) is seven, and the air guide blocks (203) are crescent.

4. The centerless grinding wheel of claim 1, wherein: the inner wall of the mounting shaft hole (202) is respectively provided with a heat dissipation flowing groove (204), a heat dissipation flow channel (205) and an air inlet and outlet groove (206).

5. The centerless grinding wheel of claim 4, wherein: the number of the heat dissipation flow grooves (204), the number of the heat dissipation flow channels (205) and the number of the air inlet and outlet grooves (206) are seven, and the shape of the air inlet and outlet grooves (206) is triangular.

6. The centerless grinding wheel of claim 5, wherein: the heat dissipation flow channel (205) is arranged between two adjacent heat dissipation flow grooves (204), and the heat dissipation flow grooves (204) are communicated with the heat dissipation flow channel (205).

7. The centerless grinding wheel of claim 5, wherein: the inlet and outlet ventilation grooves (206) are formed between two adjacent heat dissipation flow grooves (204), and the heat dissipation flow channels (205) are communicated with the inlet and outlet ventilation grooves (206).