Grinding wheel and method for producing the same

Abstract

The application discloses a grinding wheel and a production method thereof. The grinding wheel comprises a grinding wheel body and a flange part. The flange part comprises a limiting outer ring and a limiting inner ring. A limiting sheet is arranged between the limiting outer ring and the limiting inner ring. A plurality of connecting sheets are arranged on the outer side of the limiting sheet in a circumferential direction. One end of the connecting sheet extends to the inside of the grinding wheel body through a through groove of the limiting outer ring. The grinding wheel body is integrally formed with the connecting sheet after being fired. The grinding wheel body is fixedly connected with the flange part through the connecting sheet and the limiting sheet. The limiting outer ring and the limiting inner ring can limit the limiting sheet. The grinding wheel body is integrally formed with the connecting sheet after being fired. Even if the grinding wheel is broken during use, the grinding wheel body is still limited on the flange part through the connecting sheet and the limiting sheet, so that the personnel and equipment damage accidents caused by the broken grinding wheel body flying out are avoided.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of grinding tools, and particularly relates to a grinding wheel and a production method of the grinding wheel. BACKGROUND

[0002] The grinding wheel is the most widely used grinding tool, which can be used for rough grinding, semi-precise grinding and precise grinding, slotting and cutting of the outer circle, inner circle, plane and various profiles of metal or non-metal workpieces. The cylindrical grinding wheel is a kind of special-shaped non-standard grinding wheel, and the cylindrical grinding wheel for the durable flat grinding is used for rough grinding in the forging and casting industries, and the grinding wheel has an outer circle as a working surface.

[0003] During the grinding process of the cylindrical grinding wheel, the diameter of the grinding wheel is gradually reduced due to the consumption of the surface of the grinding wheel, and when the wall thickness of the grinding wheel is too thin to withstand high friction, the grinding wheel will break off the flange part and fly out. SUMMARY

[0004] The present application aims at the problem that the wall thickness of the grinding wheel is reduced after use and the grinding wheel breaks off the flange part and flies out, and proposes the following technical scheme:

[0005] A grinding wheel comprises a grinding wheel body and a flange part, the grinding wheel body and the flange part are coaxially arranged, the flange part comprises a limiting outer ring and a limiting inner ring, a limiting piece is arranged between the limiting outer ring and the limiting inner ring, a plurality of connecting pieces are arranged on the outer side of the limiting piece in the circumferential direction, and one end of the connecting piece extends to the inside of the grinding wheel body through a through groove of the limiting outer ring.

[0006] The grinding wheel body is integrally formed with the connecting piece after being fired, and the grinding wheel body is fixedly connected with the flange part through the connecting piece and the limiting piece.

[0007] The limiting outer ring and the limiting inner ring can limit the limiting piece, the grinding wheel body is integrally formed with the connecting piece after being fired, the grinding wheel body is fixedly connected with the flange part through the connecting piece and the limiting piece, even if the grinding wheel breaks during use, part of the connecting piece and the limiting piece are connected to limit the grinding wheel body on the flange part, and then the grinding wheel body is prevented from breaking and flying out to cause personnel and equipment damage accidents.

[0008] As a preferred technical scheme, the flange part further comprises a fixing piece, and the fixing piece fixedly connects the limiting outer ring, the limiting piece and the limiting inner ring.

[0009] The fixing piece can fixedly connect the limiting outer ring, the limiting piece and the limiting inner ring, and avoid the sliding of the grinding wheel body during use due to unstable connection to affect the grinding process.

[0010] As the preferred technical scheme of the above, the fixing member comprises a fixing ring, a plurality of resisting blocks are arranged on the outer side of the fixing ring in the circumferential direction, the resisting blocks are movably inserted into the limiting inner ring at the middle part, and the two ends of the resisting blocks are respectively attached to the outer surface of the fixing ring and the inner surface of the limiting sheet.

[0011] The fixing member can limit and fix the insertion of the limiting outer ring and the limiting inner ring, and can extrude and deform the limiting sheet, thereby enhancing the connection strength of the limiting sheet with the limiting outer ring and the limiting inner ring, and avoiding the small sliding of the grinding wheel body in use caused by the movement of the limiting sheet.

[0012] As the preferred technical scheme of the above, the fixing ring is provided with a bolt at each end, and the fixing ring is fixedly connected with the limiting outer ring and the limiting inner ring through the bolt.

[0013] The bolt can fixedly connect the fixing ring with the limiting outer ring and the limiting inner ring, and avoid the separation of the fixing ring.

[0014] As the preferred technical scheme of the above, the limiting sheet and the connecting sheet are made of glass fiber material, and the limiting sheet and the connecting sheet are integrally formed.

[0015] The limiting sheet made of glass fiber material can gradually become an integral part of the molding material during the heating process, thereby avoiding affecting the strength of the grinding wheel body.

[0016] As the preferred technical scheme of the above, the flange part is pasted with a shielding label at each end, and the surface of the shielding label is sprayed with a qualified seal and the information of the grinding wheel such as the specification.

[0017] The shielding label can provide the user with the information of the grinding wheel, and shield the flange part, so that the flange part is more beautiful.

[0018] A production method of a grinding wheel, comprising the following steps,

[0019] S1, placing a flange part;

[0020] The assembled flange part is placed in the middle of the mold, and then the molding material and other materials are placed in the mold in the order;

[0021] S2, pressing;

[0022] The external press machine presses the molding material in the mold into a grinding wheel blank with the required shape, and a plurality of connecting sheets are pressed together with the grinding wheel blank;

[0023] S3, sintering;

[0024] Sintering in a heating furnace, the grinding wheel blank becomes a grinding wheel body, and the grinding wheel body is integrally formed with the connecting sheet after sintering;

[0025] S4, inspection;

[0026] The appearance, size, hardness, balance, strength and the like of the grinding wheel are strictly inspected, and the qualified products are labeled.

[0027] The beneficial effects of the present application are:

[0028] 1. The limiting outer ring and the limiting inner ring can limit the limiting piece, the grinding wheel body is integrally formed with the connecting piece after firing, so that the grinding wheel body is fixedly connected with the flange part through the connecting piece and the limiting piece, even if the grinding wheel is broken during use, the grinding wheel body is still limited on the flange part by the connecting piece and the limiting piece, thereby avoiding the personnel and equipment damage accidents caused by the broken grinding wheel body flying out;

[0029] 2. The fixing piece can limit and fix the limiting outer ring and the limiting inner ring in a plug-in manner, and the limiting piece is deformed by extrusion, thereby enhancing the connection strength of the limiting piece with the limiting outer ring and the limiting inner ring, and avoiding the small sliding of the grinding wheel body during use caused by the movement of the limiting piece. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 The figure shows the overall structure schematic diagram in the embodiment;

[0031] Figure 2 The figure shows the overall structure diagram of the flange part in the embodiment;

[0032] Figure 3 The figure shows the schematic diagram of each part of the flange part in the embodiment;

[0033] Figure 4 The figure shows the installation position diagram of the resisting block in the embodiment.

[0034] In the figure: 10, grinding wheel body; 20, flange part; 21, limiting outer ring; 22, limiting inner ring; 23, fixing ring; 24, resisting block; 25, bolt; 30, limiting piece; 40, connecting piece; 50, shielding label. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the embodiment of the present application more clear, the technical scheme of the present application will be described clearly and completely in combination with the embodiment and the drawings of the specification.

[0036] EMBODIMENT

[0037] A grinding wheel comprises a grinding wheel body 10 and a flange part 20, the grinding wheel body 10 and the flange part 20 are coaxially arranged, the flange part 20 comprises a limiting outer ring 21 and a limiting inner ring 22, a limiting sheet 30 is arranged between the limiting outer ring 21 and the limiting inner ring 22, a plurality of connecting sheets 40 are arranged on the outer side of the limiting sheet 30 in a circumferential direction, one end of the connecting sheet 40 extends to the inside of the grinding wheel body 10 through the through groove of the limiting outer ring 21.

[0038] The grinding wheel body 10 is integrally formed with the connecting sheet 40 after firing, and the grinding wheel body 10 is fixedly connected with the flange part 20 through the connecting sheet 40 and the limiting sheet 30.

[0039] Before the grinding wheel is fired, the flange part 20 is assembled first, the limiting sheet 30 is turned into the inside of the limiting outer ring 21, and then the limiting sheet 30 is extended through the through groove of the limiting outer ring 21 by rotating the limiting outer ring 21 or the limiting sheet 30, and then the limiting inner ring 22 is assembled, the limiting outer ring 21 and the limiting inner ring 22 limit the limiting sheet 30, and the assembled flange part 20 can be placed in the mold for pressing work.

[0040] The limiting outer ring 21 and the limiting inner ring 22 can limit the limiting sheet 30, the grinding wheel body 10 is integrally formed with the connecting sheet 40 after firing, so that the grinding wheel body 10 is fixedly connected with the flange part 20 through the connecting sheet 40 and the limiting sheet 30, even if the grinding wheel is broken during use, part of the connecting sheet 40 is connected with the limiting sheet 30 to limit the grinding wheel body 10 on the flange part 20, thereby avoiding the broken grinding wheel body 10 flying out to cause personnel and equipment damage accidents.

[0041] A production method of a grinding wheel comprises the following steps,

[0042] S1, placing the flange part 20;

[0043] The assembled flange part 20 is placed in the middle of the mold, and then the molding material and other materials are placed in the mold in sequence;

[0044] S2, pressing;

[0045] The molding material in the mold is pressed into a grinding wheel blank of the required shape by an external pressing machine, and a plurality of connecting sheets 40 are pressed together with the grinding wheel blank;

[0046] S3, firing;

[0047] The grinding wheel blank becomes a grinding wheel body 10 after being placed in a heating furnace for firing, and the grinding wheel body 10 is integrally formed with the connecting sheet 40 after firing;

[0048] S4, inspection;

[0049] The appearance, size, hardness, balance, strength and the like of the grinding wheel are strictly inspected, and the qualified products are labeled.

[0050] In the technical scheme of the grinding wheel production method, the limiting piece 30 can gradually become integrated with the forming material during the heating process, so that the grinding wheel body 10 is integrally formed with the connecting piece 40 after firing, the grinding wheel body 10 is fixedly connected with the flange part 20 through the connecting piece 40 and the limiting piece 30, the connection strength between the grinding wheel body 10 and the flange part 20 is increased, the fracture of the grinding wheel body 10 is avoided, and the personnel and equipment damage accidents caused by the fracture of the grinding wheel body 10 are avoided, and meanwhile, the heat generated during the grinding and processing of the grinding wheel body 10 is partially transmitted to the flange part 20 through the limiting piece 30, the components of the flange part 20 are made of metal material and can guide the heat out, and thus the heat dissipation effect of the grinding wheel body 10 is increased.

[0051] Figure 2 In the technical scheme, the flange part 20 further comprises a fixing part, and the fixing part fixedly connects the limiting outer ring 21, the limiting piece 30 and the limiting inner ring 22.

[0052] The fixing part comprises a fixing ring 23, a plurality of resisting blocks 24 are circumferentially arranged on the outer side of the fixing ring 23, the resisting blocks 24 are movably inserted into the limiting inner ring 22, and the two ends of the resisting blocks 24 are respectively attached to the outer surface of the fixing ring 23 and the inner surface of the limiting piece 30.

[0053] After the product detection is completed, the plurality of resisting blocks 24 are inserted into the limiting inner ring 22, and then the fixing ring 23 is loaded, the fixing ring 23 extrudes the resisting blocks 24, the ends of the resisting blocks 24 extrude and insert the limiting piece 30 into the through groove of the limiting outer ring 21, at this time, the two ends of the resisting blocks 24 are respectively attached to the outer surface of the fixing ring 23 and the inner surface of the limiting piece 30, and the fixing part limits and fixes the limiting outer ring 21, the limiting piece 30 and the limiting inner ring 22.

[0054] The fixing part can limit and fix the limiting outer ring 21 and the limiting inner ring 22 by insertion, and extrude and deform the limiting piece 30, so as to increase the connection strength between the limiting piece 30 and the limiting outer ring 21 and the limiting inner ring 22, avoid the small sliding of the grinding wheel body 10 caused by the movement of the limiting piece 30 during use, and recycle and reuse the flange part 20, only need to disassemble and replace the limiting piece 30, and then put the flange part 20 into the mold for production, so as to reduce the production cost.

[0055] Figure 2 In the technical scheme, the two ends of the fixing ring 23 are provided with bolts 25, and the fixing ring 23 is fixedly connected with the limiting outer ring 21 and the limiting inner ring 22 through the bolts 25.

[0056] The bolts 25 can fixedly connect the fixing ring 23 with the limiting outer ring 21 and the limiting inner ring 22, and avoid the disconnection of the fixing ring 23.

[0057] Figure 2 Preferably, the limiting sheet 30 and the connecting sheet 40 are made of glass fiber material, and the limiting sheet 30 and the connecting sheet 40 are integrally formed.

[0058] The limiting sheet 30 made of glass fiber material can be gradually integrated with the molding material during the heating process, thereby avoiding affecting the strength of the grinding wheel body 10.

[0059] Figure 2 Preferably, the flange part 20 is pasted with a shielding label 50 at both ends, and the shielding label 50 is sprayed with a qualified seal and specifications and other grinding wheel information.

[0060] The shielding label 50 can provide the user with the information of the grinding wheel, and shield the flange part 20, so that the flange part 20 is more beautiful.

[0061] The above examples are only used to illustrate the technical solutions of the present application, but not limit it.

Claims

1. A grinding wheel, comprising: The grinding wheel body (10) and flange (20) are coaxially arranged. The flange (20) includes a limiting outer ring (21) and a limiting inner ring (22). A limiting piece (30) is provided between the limiting outer ring (21) and the limiting inner ring (22). A plurality of connecting pieces (40) are arranged circumferentially on the outer side of the limiting piece (30). One end of the connecting piece (40) extends through the through groove of the limiting outer ring (21) into the interior of the grinding wheel body (10). The grinding wheel body (10) is integrally formed with the connecting piece (40) after being fired. The grinding wheel body (10) is fixedly connected to the flange (20) through the connecting piece (40) and the limiting piece (30). The flange (20) also includes a fastener that securely connects the outer limiting ring (21), the limiting piece (30), and the inner limiting ring (22); The fastener includes a fixing ring (23), and a plurality of abutting blocks (24) are arranged circumferentially on the outer side of the fixing ring (23). The middle part of the abutting block (24) is movably inserted into the inner ring (22) of the limiting ring, and the two ends of the abutting block (24) are respectively attached to the outer surface of the fixing ring (23) and the inner surface of the limiting piece (30); Both ends of the fixing ring (23) are provided with bolts (25), and the fixing ring (23) is fixedly connected to the outer limiting ring (21) and the inner limiting ring (22) by bolts (25); The limiting piece (30) and the connecting piece (40) are both made of glass fiber, and the limiting piece (30) and the connecting piece (40) are integrally formed.

2. The grinding wheel according to claim 1, characterized in that, Both ends of the flange (20) are affixed with shielding labels (50), and the surface of the shielding labels (50) is sprayed with a qualified stamp and the specifications of the grinding wheel.

3. A method for producing a grinding wheel according to any one of claims 1-2, characterized in that, Includes the following steps, S1, Placement of flange part (20); The assembled flange (20) is placed in the middle of the mold, and then the molding material and other materials are placed into the mold in sequence. S2, pressing; An external press presses the molding material in the mold into a grinding wheel blank of the required shape, and multiple connecting pieces (40) are pressed together with the grinding wheel blank; S3, firing; The grinding wheel blank is placed in a heating furnace for firing, and the grinding wheel blank becomes the grinding wheel body (10). After firing, the grinding wheel body (10) is integrally formed with the connecting piece (40). S4, Inspection; The appearance, size, hardness, balance, and strength of the grinding wheels are strictly inspected, and qualified products are labeled.

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