CN213381078U

CN213381078U - Explosion-proof grinding wheel

Info

Publication number: CN213381078U
Application number: CN202022208361.9U
Authority: CN
Inventors: 李刘军; 田晓迪
Original assignee: Henan Zhengxin Diamond Technology Co ltd
Current assignee: Henan Zhengxin Diamond Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-08
Anticipated expiration: 2030-09-30

Abstract

The embodiment of the utility model relates to an emery wheel technical field, concretely relates to explosion-proof emery wheel, including the emery wheel body, the emery wheel body includes central wear-resisting body and peripheral emery wheel body, the emery wheel body is formed by central wear-resisting body and peripheral emery wheel body bonding back suppression in proper order, the through-hole has been seted up to the center department of central wear-resisting body, encircle on the central wear-resisting body the through-hole is equipped with round metal clamping ring, seted up on the metal clamping ring with the spacing draw-in groove of through-hole intercommunication, encircle on the central wear-resisting body a plurality of heat dissipation recesses are evenly seted up to the metal clamping ring, the inside of emery wheel body is equipped with the wire netting, the surface of peripheral emery wheel body is equipped with explosion-proof layer, explosion-proof layer including set up in the metal basic unit on peripheral emery wheel. The utility model discloses beneficial effect does: prevent bursting, guarantee the rotational stability, the security is strong.

Description

Explosion-proof grinding wheel

Technical Field

The utility model relates to a emery wheel technical field, concretely relates to explosion-proof emery wheel.

Background

The grinding wheel is also called a consolidation grinding tool, and is a consolidation grinding tool which is formed by consolidating common grinding materials into a certain shape (mostly circular, with a through hole in the center) by a bonding agent and has certain strength. It is generally composed of abrasive, bond and air holes, which are often referred to as the three elements of a bonded abrasive tool. According to different classes of binders, ceramic (binder) grinding wheels, resin (binder) grinding wheels, and rubber (binder) grinding wheels are common. 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. The properties of the grinding wheel are mainly determined by the factors of abrasive, granularity, bonding agent, hardness, texture, shape, size and the like.

The grinding wheel body can generate heat under the condition of long-time work of the existing grinding wheel, the service life of the grinding wheel is influenced, and meanwhile, in the process of long-time work of the grinding wheel, the grinding wheel body is operated at a high speed, so that the phenomenon that the grinding wheel is easy to burst is easily caused. Accordingly, there is a need for an explosion-proof grinding wheel that overcomes the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the embodiment of the utility model provides an explosion-proof grinding wheel, including the emery wheel body, the emery wheel body includes central wear-resisting body and peripheral emery wheel body, the emery wheel body is formed by central wear-resisting body and the suppression of peripheral emery wheel body bonding back in proper order, the through-hole has been seted up to the center department of central wear-resisting body, encircle on the central wear-resisting body the through-hole is equipped with round metal clamping ring, seted up on the metal clamping ring with the spacing draw-in groove of through-hole intercommunication, encircle on the central wear-resisting body a plurality of heat dissipation recesses are evenly seted up to the metal clamping ring, the inside of emery wheel body is equipped with the wire netting, the surface of peripheral emery wheel body is equipped with explosion-proof layer, explosion-proof layer including set up in the metal basic unit on peripheral emery wheel.

Preferably, the width of the limiting clamping groove is gradually increased from one end communicated with the through hole to the end far away from the through hole.

Preferably, the depth of the heat dissipation groove decreases gradually from the center of the heat dissipation groove to the two ends.

Preferably, the thickness of the metal base layer is 2-2.5 times of that of the explosion-proof film layer.

Preferably, the metal base layer is made of metal aluminum, and the explosion-proof film layer is made of PET.

Preferably, a plurality of chip grooves which are scattered from the edge of the central wear-resistant body to the edge of the peripheral grinding wheel body are formed in the peripheral grinding wheel body at uniform intervals.

Preferably, the number of the chip grooves is 6-10.

Preferably, the width of the top of the chip groove is larger than that of the bottom of the chip groove, and the bottom of the chip groove is arc-shaped.

Preferably, the chip groove is an involute arc chip groove opposite to the rotation direction of the grinding wheel body.

The utility model discloses beneficial effect does: the utility model has simple structure and convenient use, the wire netting is arranged in the grinding wheel body, the structural strength is enhanced, the explosion is prevented, the central wear-resistant body is uniformly provided with a plurality of heat dissipation grooves around the metal compression ring, the heat dissipation effect is good, the explosion due to high temperature is prevented, the surface of the peripheral grinding wheel body is provided with the explosion-proof layer, the explosion is further prevented, and the service life is prolonged; the limiting clamping groove is arranged, so that the installation is firm, and the stable rotation is ensured; the chip groove is arranged, so that workers can be prevented from being splashed and burned by high-temperature waste chips, and the safety is high.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;

FIG. 3 is a cross-sectional view taken along the line A-A;

in the figure: the grinding wheel comprises a central wear-resistant body 1, a peripheral grinding wheel body 2, a through hole 3, a metal pressing ring 4, a limiting clamping groove 5, a heat dissipation groove 6, a wire netting 7, a metal base layer 8, an anti-explosion film layer 9 and a chip groove 10.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1, an explosion-proof grinding wheel, including the emery wheel body, the emery wheel body includes central wear-resisting body 1 and peripheral emery wheel body 2, the emery wheel body is formed by central wear-resisting body 1 and peripheral emery wheel body 2 suppression after bonding in proper order, through-hole 3 has been seted up in the center department of central wear-resisting body 1, it is equipped with round metal clamping ring 4 to surround through-hole 3 on the central wear-resisting body 1, set up the spacing draw-in groove 5 with through-hole 3 intercommunication on the metal clamping ring 4, the width of spacing draw-in groove 5 is from the one end with through-hole 3 intercommunication to keeping away from the one end of through-. The installation is guaranteed to be firm, and the rotation stability is guaranteed.

A plurality of heat dissipation grooves 6 are uniformly formed in the central wear-resistant body 1 around the metal compression ring 4, and the depth of each heat dissipation groove 6 is gradually reduced from the center of each heat dissipation groove 6 to two ends. The heat dissipation effect is good, prevents that the emery wheel body from bursting because of high temperature. As shown in fig. 3, the wire netting 7 is arranged inside the grinding wheel body, so that the central wear-resistant body 1 and the peripheral grinding wheel body 2 can be connected more tightly and firmly, the overall structural strength can be enhanced, and the grinding wheel body is prevented from bursting in the high-speed rotation process. Two surfaces all are equipped with the explosion-proof layer around peripheral emery wheel body 2, and the explosion-proof layer includes the metal substrate 8 of being connected with peripheral emery wheel body 2 surface, adsorbs explosion-proof membrane layer 9 on metal substrate 8. The thickness of the metal base layer 8 is 2 times of that of the explosion-proof film layer 9. The metal base layer 8 is made of metal aluminum, the explosion-proof film layer 9 is made of PET, and other materials which can realize the same or similar effects can be selected. The metal base layer 8 can enhance the strength of the grinding wheel and prolong the service life. Due to the existence of the explosion-proof film layer 9, the force of ejecting the fragments outwards is reduced when the grinding wheel is cracked during high-speed rotation, and the safety is improved.

Example 2

As shown in fig. 2, an explosion-proof grinding wheel, including the emery wheel body, the emery wheel body includes central wear-resisting body 1 and peripheral emery wheel body 2, the emery wheel body is formed by central wear-resisting body 1 and peripheral emery wheel body 2 suppression after bonding in proper order, through-hole 3 has been seted up in the center department of central wear-resisting body 1, it is equipped with round metal clamping ring 4 to surround through-hole 3 on the central wear-resisting body 1, set up the spacing draw-in groove 5 with through-hole 3 intercommunication on the metal clamping ring 4, the width of spacing draw-in groove 5 is from the one end with through-hole 3 intercommunication to keeping away from the one end of through-. The installation is guaranteed to be firm, and the rotation stability is guaranteed. Six chip grooves which are scattered from the edge of the central wear-resistant body 1 to the edge of the peripheral grinding wheel body 2 are uniformly arranged on the peripheral grinding wheel body 2 at intervals, the width of the top of each chip groove is larger than that of the bottom of each chip groove, the bottoms of the chip grooves are arc-shaped, and when the grinding wheel body runs at a high speed, scraps in the chip grooves are discharged under the action of centrifugal force. The chip groove is an involute arc chip groove 10 opposite to the rotation direction of the grinding wheel body. The arc chip groove 10 adopts the involute design opposite to the rotation direction of the grinding wheel body, so that the friction force of a grinding surface can be improved, a chip discharge channel is formed, chips can be conveniently discharged, and the chip discharge capacity is improved.

A plurality of heat dissipation grooves 6 are uniformly formed in the central wear-resistant body 1 around the metal compression ring 4, and the depth of each heat dissipation groove 6 is gradually reduced from the center of each heat dissipation groove 6 to two ends. The heat dissipation effect is good, prevents that the emery wheel body from bursting because of high temperature. As shown in fig. 3, the wire netting 7 is arranged inside the grinding wheel body, so that the central wear-resistant body 1 and the peripheral grinding wheel body 2 can be connected more tightly and firmly, the overall structural strength can be enhanced, and the grinding wheel body is prevented from bursting in the high-speed rotation process. Two surfaces all are equipped with the explosion-proof layer around peripheral emery wheel body 2, and the explosion-proof layer includes the metal substrate 8 of being connected with peripheral emery wheel body 2 surface, adsorbs explosion-proof membrane layer 9 on metal substrate 8. The thickness of the metal base layer 8 is 2 times of that of the explosion-proof film layer 9. The metal base layer 8 is made of metal aluminum, the explosion-proof film layer 9 is made of PET, and other materials which can realize the same or similar effects can be selected. The metal base layer 8 can enhance the strength of the grinding wheel and prolong the service life. Due to the existence of the explosion-proof film layer 9, when the grinding wheel rotates at a high speed, the force of ejecting the fragments outwards is reduced when the grinding wheel is broken, and the safety is improved.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, 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, article, or apparatus.

So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. The utility model provides an explosion-proof emery wheel, includes the emery wheel body, its characterized in that: the grinding wheel body comprises a central wear-resistant body and a peripheral grinding wheel body, the grinding wheel body is formed by sequentially bonding the central wear-resistant body and the peripheral grinding wheel body in a pressing mode, a through hole is formed in the center of the central wear-resistant body, a circle of metal pressing ring is arranged on the central wear-resistant body in a surrounding mode, a limiting clamping groove communicated with the through hole is formed in the metal pressing ring, a plurality of heat dissipation grooves are evenly formed in the metal pressing ring in a surrounding mode, an iron wire net is arranged inside the grinding wheel body, an explosion-proof layer is arranged on the surface of the peripheral grinding wheel body and comprises a metal base layer and an explosion-proof film layer, wherein the metal base layer is arranged on the surface of the peripheral grinding wheel body.

2. An explosion-proof grinding wheel as set forth in claim 1, wherein: the width of the limiting clamping groove is gradually increased from one end communicated with the through hole to the end far away from the through hole.

3. An explosion-proof grinding wheel as set forth in claim 1, wherein: the depth of the heat dissipation groove is gradually decreased from the center of the heat dissipation groove to two ends of the heat dissipation groove.

4. An explosion-proof grinding wheel as set forth in claim 1, wherein: the thickness of the metal base layer is 2-2.5 times of that of the explosion-proof film layer.

5. An explosion-proof grinding wheel as set forth in claim 4, wherein: the metal base layer is made of metal aluminum, and the anti-explosion film layer is made of PET.

6. An explosion-proof grinding wheel as set forth in claim 1, wherein: and a plurality of chip grooves which are scattered from the edge of the central wear-resistant body to the edge of the peripheral grinding wheel body are uniformly arranged on the peripheral grinding wheel body at intervals.

7. An explosion-proof grinding wheel as set forth in claim 6, wherein: the number of the chip grooves is 6-10.

8. An explosion-proof grinding wheel as set forth in claim 6, wherein: the width of the top of the chip groove is larger than that of the bottom of the chip groove, and the bottom of the chip groove is arc-shaped.

9. An explosion-proof grinding wheel as set forth in claim 6, wherein: the chip groove is an involute arc chip groove opposite to the rotation direction of the grinding wheel body.