CN221604179U - Resin binder superhard material grinding wheel for powerful grooving - Google Patents

Resin binder superhard material grinding wheel for powerful grooving Download PDF

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Publication number
CN221604179U
CN221604179U CN202322813695.2U CN202322813695U CN221604179U CN 221604179 U CN221604179 U CN 221604179U CN 202322813695 U CN202322813695 U CN 202322813695U CN 221604179 U CN221604179 U CN 221604179U
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China
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cooling cavity
grinding wheel
straight flange
powerful
grinding
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CN202322813695.2U
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Chinese (zh)
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吴进卿
陈学伟
王书见
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Luoyang Priman Environmental Protection Technology Co ltd
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Luoyang Priman Environmental Protection Technology Co ltd
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Abstract

The utility model provides a powerful resin bond superhard materials emery wheel for fluting, including the grinding apparatus working layer, the transition layer, the base member, the mounting hole, the base member includes annular body, a plurality of both ends open-ended cooling cavity of circumference equipartition on the body, two openings of cooling cavity are located the upper and lower terminal surface of body respectively, the opening shape that is located the body up end is approximate fan-shaped, the opening that is located the body up end includes first straight flange, the second straight flange, the curved edge, one of them diameter that is located the body up end is located same line in first straight flange, the circle that the curved edge is located is concentric circles with the outer circumference of body up end, the contained angle between the side of the cooling cavity that the first straight flange is located, the side of the cooling cavity that the second straight flange is located and the body up end is 20 ~ 45 degrees, contained angle between the side of the cooling cavity that the curved edge is located and the body up end is 90 degrees. The resin bond superhard material grinding wheel has the advantages of small grinding power, high feeding rate, high grinding wheel durability and good shape retention.

Description

Resin binder superhard material grinding wheel for powerful grooving
Technical Field
The utility model belongs to the field of grinding tools, and particularly relates to a resin binder superhard material grinding wheel for a powerful grooving.
Background
Resin bond superhard material grinding wheels generally comprise two types: resin bond diamond grinding wheel and resin bond CBN grinding wheel. The resin bond superhard material grinding wheel has a plurality of excellent performances such as high smoothness, high sharpness, good shape retention and the like, so that the resin bond superhard material grinding wheel can be widely applied to the field of powerful grooving of tungsten steel, stainless steel cutters and drills, and is especially favored by users in the field of precise grinding of cutters for 3C industries.
Tools for the 3C industry, including tungsten steel, stainless steel tools and drills, are extremely high in dimensional accuracy and machining finish, although the tools are small in size. The resin bond superhard material grinding wheel has excellent advantages in terms of processing smoothness, and in view of the fact, the grinding processing of the tool for the 3C industry is more prone to selecting the resin bond superhard material grinding wheel.
Tungsten steel, also known as cemented carbide, refers to a sintered composite material comprising at least one metal carbide. Tungsten carbide, cobalt carbide, niobium carbide, titanium carbide, tantalum carbide are common components of tungsten steel. Tungsten steel cutters, which are typical high-hardness and high-strength tool materials, have the characteristics of high temperature resistance, corrosion resistance and wear resistance, and are widely applied to the industrial fields of automobile and part production, aerospace, photovoltaic semiconductors and the like.
The stainless steel tool is used as a processing tool of special materials and is widely applied to various fields such as food processing, medical instrument manufacturing, aviation manufacturing, ship manufacturing, automobile manufacturing and the like. The stainless steel cutter has excellent corrosion resistance, hardness and wear resistance, and can well meet various processing requirements, such as cutting, cutting and milling, drilling, turning and other operations.
The superhard grinding wheel is generally obtained by performing series of grinding precision machining such as powerful grooving, cleaning grinding, end tooth grinding and the like on tungsten steel bars and stainless steel bars on the basis of tungsten steel bars, and is a tungsten steel cutter or a stainless steel cutter, in particular a milling cutter and a drill bit. Therefore, grinding is a necessary and particularly critical process for obtaining such tools.
In recent years, high-grade precision numerical control grinding machines (CNC tool grinding machines) are gradually popularized in China, and the machining precision and the machining efficiency of milling cutters and drills are remarkably improved. In the grinding process of the cutter, the performance of the superhard material grinding wheel is also important to influence on the machining precision and the machining efficiency of the cutter besides the performance of the numerical control grinder.
However, the resin bond superhard material grinding wheel for the strong slotting of the 3C industry cutter in the current industry has some problems, and is mainly characterized by excessively fast rising of grinding heat, damage failure after the resin is heated, falling of grinding materials caused by falling of holding force, reduced sharpness, high grinding power, excessively fast abrasion of the grinding wheel, poor shape retention, reduced durability of the grinding wheel and the like.
Disclosure of Invention
In order to overcome the defects in the prior art, the resin bond superhard material grinding wheel for the powerful grooving provides an effective solution for series grinding processing such as powerful grooving, cleaning grinding, end tooth grinding and the like of a cutter in the 3C industry, and has great significance for further pushing a precision processing technology of the cutter in the 3C industry on a CNC tool grinding machine and wide application of the precision processing technology.
The aim of the utility model is realized by the following technical scheme: the utility model provides a powerful resin bond superhard materials emery wheel for fluting, including the grinding apparatus working layer, the transition layer, the base member, the mounting hole, the base member includes annular body, a plurality of both ends open-ended cooling cavity of circumference equipartition on the body, two openings of cooling cavity are located the up end of body respectively, the lower terminal surface, the opening shape that is located the body up end is approximate fan-shaped, the opening that is located the body up end includes first straight flange, the second straight flange, the curved edge, one of them diameter that is located the body up end is located same line, the circle that the curved edge is located is concentric circles with the outer circumference of body up end, the contained angle between the side of the cooling cavity that the first straight flange is located, the side of the cooling cavity that the second straight flange is located and the body up end is 20 ~ 45 degrees, contained angle between the side of the cooling cavity that the curved edge is located and the body up end is 90 degrees.
Further, the number of the cooling cavities is more than 3.
Further, the peripheral edges of both openings are not in contact with the mounting hole or the transition layer.
Further, the grinding tool working layer is formed by hot-press molding of a resin binder and a diamond abrasive or a CBN abrasive and then curing by an oven.
Further, the transition layer is adhesive phenolic resin liquid.
Further, the substrate is made of 3Cr13 stainless steel.
Compared with the prior art, the utility model has the following beneficial effects:
The resin bond superhard material grinding wheel provided by the utility model has the advantages of low grinding temperature, high sharpness, low grinding power, high feeding rate, high grinding wheel durability and good shape retention, and is suitable for the powerful grooving grinding of tungsten steel cutters and stainless steel cutters, so that the requirements of modern CNC tool grinding machines on the precise grinding processing of cutters in the 3C industry are better met.
The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model, as well as the preferred embodiments thereof, together with the following detailed description of the utility model given in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of a resin bond superhard material grinding wheel for strong slotting according to an embodiment of the utility model.
Reference numerals
1-Grinding tool working layer, 2-transition layer, 3-matrix, 4-mounting hole, 5-cooling cavity.
Detailed Description
In order to further describe the technical means and effects adopted by the utility model to achieve the preset aim, the following description will refer to the preferred embodiment and the attached drawings, wherein the specific implementation, structure, characteristics and effects of the resin bond superhard material grinding wheel for powerful grooving according to the utility model are described in detail below.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The surface of the grinding wheel facing upwards when the grinding wheel is horizontally placed is defined as an upper end surface, and the surface opposite to the upper end surface is defined as a lower end surface.
The embodiment of a resin bond superhard material grinding wheel for powerful grooving is shown in fig. 1, and comprises a grinding tool working layer 1, a transition layer 2, a base body 3 and a mounting hole 4, wherein the grinding tool working layer is of an annular structure, the base body comprises an annular body, six cooling cavities 5 with two openings at two ends are uniformly distributed on the body along the circumferential direction, two openings of the cooling cavities are respectively positioned on the upper end face and the lower end face of the body, the circumferential edges of the two openings are not contacted with the mounting hole or the transition layer, the shape of the opening positioned on the upper end face of the body is approximate to be fan-shaped, the opening positioned on the upper end face of the body comprises a first straight edge, a second straight edge and a curved edge, one diameter of the first straight edge and the upper end face of the body is positioned on the same line, the circle where the curved edge is concentric with the outer circumference of the upper end face of the body, the included angle between the side face of the cooling cavity where the first straight edge is positioned, the side face of the cooling cavity where the second straight edge is positioned and the upper end face of the body is 30 degrees, and the included angle between the side of the cooling cavity where the curved edge is positioned and the upper end face of the body is 90 degrees.
The working layer of the grinding tool is composed of a resin binder hot press forming of diamond abrasive and then curing the mixture in an oven.
The transition layer is a firm bonding layer formed after high Jiang Jiaonian phenolic resin liquid is solidified, and the transition layer can ensure that the working layer of the grinding tool is firmly bonded on the substrate, and ensure that the grinding wheel is safe and reliable under high-speed rotation.
The material of the matrix is 3Cr13 stainless steel, and the stainless steel not only has enough strength and toughness, but also has lower thermal expansion coefficient, and when the grinding wheel is heated in the heat curing process, the grinding tool working layer is ensured not to be cracked by the matrix.
The matrix structure utilizes the rotation principle of an ancient waterwheel, so that grinding fluid stays in a cooling cavity for a period of time to ensure that a grinding area of a grinding wheel is sufficiently cooled, and then is thrown out, and new grinding fluid reenters the cooling cavity, so that the grinding fluid is circularly reciprocated, the grinding fluid is ensured to stay in the grinding wheel for a period of time to sufficiently cool the grinding wheel, and the heated grinding fluid is ensured to be thrown out in time to be updated in time. The unique cooling cavity structure can greatly reduce the temperature of a grinding area of the grinding wheel in the rapid feeding strong slotting process, thereby avoiding the failure of the resin bond due to heat damage, further ensuring that the resin bond superhard material grinding wheel always keeps low grinding heat and high sharpness in the strong slotting process, and always fully playing the performance of the resin bond grinding wheel, and further realizing the excellent characteristics of small grinding power, high feeding rate, high durability and good shape retention of the structural grinding wheel.
In other embodiments, the working layer of the grinding tool can also be formed by hot-pressing the resin binder and the CBN abrasive and then curing the resin binder and the CBN abrasive in an oven.
The present utility model is not limited to the preferred embodiments, and any simple modification, equivalent variation and modification of the above embodiments according to the technical principles of the present utility model will fall within the scope of the technical principles of the present utility model, as will be apparent to those skilled in the art without departing from the scope of the technical principles of the present utility model.

Claims (5)

1. The utility model provides a resin bond superhard materials emery wheel for powerful fluting, includes grinding apparatus working layer, transition layer, base member, mounting hole, its characterized in that: the base member includes annular body, along circumference equipartition a plurality of both ends open-ended cooling cavity on the body, two openings of cooling cavity are located the upper and lower terminal surface of body respectively, the opening shape that is located the body up end is approximate fan-shaped, the opening that is located the body up end includes first straight flange, the second straight flange, the curved edge, one of them diameter of first straight flange and body up end is located same line, the circle that the curved edge is located is concentric circles with the outer circumference of body up end, the contained angle between the side of the cooling cavity that the first straight flange is located, the side of the cooling cavity that the second straight flange is located and the body up end is 20 ~ 45 degrees, contained angle between the side of the cooling cavity that the curved edge is located and the body up end is 90 degrees.
2. The resin bond superhard material grinding wheel for powerful grooving according to claim 1, wherein: the number of the cooling cavities is more than 3.
3. The resin bond superhard material grinding wheel for powerful grooving according to claim 1, wherein: the peripheral edges of both openings are not in contact with the mounting hole or the transition layer.
4. The resin bond superhard material grinding wheel for powerful grooving according to claim 1, wherein: the transition layer is adhesive phenolic resin liquid.
5. The resin bond superhard material grinding wheel for powerful grooving according to claim 1, wherein: the substrate is made of 3Cr13 stainless steel.
CN202322813695.2U 2023-10-19 2023-10-19 Resin binder superhard material grinding wheel for powerful grooving Active CN221604179U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322813695.2U CN221604179U (en) 2023-10-19 2023-10-19 Resin binder superhard material grinding wheel for powerful grooving

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322813695.2U CN221604179U (en) 2023-10-19 2023-10-19 Resin binder superhard material grinding wheel for powerful grooving

Publications (1)

Publication Number Publication Date
CN221604179U true CN221604179U (en) 2024-08-27

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ID=92428185

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322813695.2U Active CN221604179U (en) 2023-10-19 2023-10-19 Resin binder superhard material grinding wheel for powerful grooving

Country Status (1)

Country Link
CN (1) CN221604179U (en)

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