High-strength and high-toughness composite diamond wire

Abstract

The utility model discloses a composite diamond wire with high strength and high toughness, which comprises a diamond wire body, the core part of the diamond wire body is of an integrated structure formed by spirally winding two or more groups of carbon fiber strips, the outer sides of the carbon fiber strips are filled with a first curing layer, the outer side of the first curing layer is provided with a second curing layer, and the outer side of the second curing layer is provided with a third curing layer. A third curing layer is arranged on the outer side of the second curing layer, a plurality of diamond particles are mixed in the third curing layer, and the diamond particles are arranged in the length direction of the diamond wire body in a dispersed mode. According to the high-strength and high-toughness composite diamond wire, the tensile strength and toughness are remarkably improved, the overall durability is improved, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of diamond wires, in particular to a high-strength and high-toughness composite diamond wire. Background Art

[0002] Wire cutting is one of the important components in the mechanical processing industry. In the process of stone processing, wire cutting is an important processing step. Wire cutting is a method of cutting stone by metal wire. Specifically, it uses a moving metal wire (molybdenum wire, copper wire or alloy wire) as an electrode wire, and relies on pulse electric spark discharge between the electrode wire and the workpiece to generate high temperature to melt or vaporize the metal, forming a cut, thereby cutting out parts.

[0003] At present, the diamond wires used in wire cutting processing on the market are all ordinary steel wires, but the tensile strength and toughness of ordinary steel wires are insufficient. During the cutting process, the diamond grit is easy to fall off, and it is easy to break or pull apart. The service life of ordinary steel wires is about one hour, which increases the processing cost and difficulty, and brings great troubles to the actual production and processing. Utility Model Content

[0004] The technical problem to be solved by the utility model is: in order to solve the problems existing in the above-mentioned background technology, a high-strength and high-toughness composite diamond wire is provided, which significantly improves the tensile strength and toughness, and improves the overall durability and service life.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a high-strength and high-toughness composite diamond wire, including a diamond wire body, the core of the diamond wire body is an integrated structure formed by spirally winding two or more groups of carbon fiber strips, the outer side of the carbon fiber strips is filled with a first solidified layer, the outer side of the first solidified layer is provided with a second solidified layer, the outer side of the second solidified layer is provided with a third solidified layer, the third solidified layer is mixed with a plurality of diamond particles, and the plurality of diamond particles are dispersed along the length direction of the diamond wire body.

[0006] To further specifically define, in the above technical solution, the second solidified layer is a mixture of epoxy resin and metal powder.

[0007] To further specifically define, in the above technical solution, the metal powder is iron powder.

[0008] To further specifically define, in the above technical solution, the diamond particles have an irregular structure.

[0009] Further specifically defined, in the above technical solution, some of the plurality of diamond particles protrude from the outer surface of the third solidified layer.

[0010] To further specifically define, in the above technical solution, the diameter dimension of the first solidified layer is greater than the thickness dimension of the third solidified layer, and the thickness dimension of the third solidified layer is greater than the thickness dimension of the second solidified layer.

[0011] To further specifically define, in the above technical solution, the cross-section of the carbon fiber strip is circular.

[0012] To further specifically define, in the above technical solution, the diameters of the two or more groups of carbon fiber strips are consistent.

[0013] The beneficial effects of the utility model are as follows: the high-strength and high-toughness composite diamond wire proposed by the utility model significantly improves the tensile strength and toughness, improves the overall durability and service life, and the service life can be extended to two hours. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] The numbers in the accompanying drawings are: 1, carbon fiber strip, 2, first solidified layer, 3, second solidified layer, 4, third solidified layer, 5, diamond particles. DETAILED DESCRIPTION

[0017] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clearly understood, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0018] See Figure 1 What is shown is a high-strength and high-toughness composite diamond wire, including a diamond wire body. The core of the diamond wire body is an integrated structure formed by spirally winding two or more groups of carbon fiber strips 1. The outer side of the carbon fiber strips 1 is filled with a first solidified layer 2, the outer side of the first solidified layer 2 is provided with a second solidified layer 3, the outer side of the second solidified layer 3 is provided with a third solidified layer 4, and the third solidified layer 4 is mixed with a plurality of diamond particles 5, and the plurality of diamond particles 5 are dispersed along the length direction of the diamond wire body.

[0019] The second cured layer 3 is a mixture of epoxy resin and metal powder. The metal powder is iron powder. The diamond particles 5 are irregular in structure. Some of the diamond particles 5 protrude from the outer surface of the third cured layer 4. The diameter of the first cured layer 2 is greater than the thickness of the third cured layer 4, and the thickness of the third cured layer 4 is greater than the thickness of the second cured layer 3. The cross section of the carbon fiber strip 1 is circular. The diameters of the two or more groups of carbon fiber strips 1 are consistent.

[0020] Compared with traditional diamond wires, the present application has the following advantages: the diamond wire body of the present application is provided with three cured layers, the first cured layer 2 is formed by spirally arranging two or more groups of carbon fiber strips 1 and then quickly curing and fixing them; the second cured layer 3 is cured by a mixture of epoxy resin and metal micropowder, which can be used as a protective layer for the carbon fiber strips 1; the third cured layer 4 is a structure of epoxy resin and diamond particles, which can fix the outside of the protective layer, and is the main structure of the cutting material, and can achieve rapid cutting operations during movement through the irregularly arranged diamond particles 5 inside it.

[0021] The high-strength and high-toughness composite diamond wire of the utility model significantly improves the tensile strength and toughness, improves the overall durability and service life, and the service life can be extended to two hours, that is, the high-strength and high-toughness composite diamond wire of the utility model can increase the service life by 2 times compared with ordinary steel wire.

[0022] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-strength and high-toughness composite diamond wire, characterized in that: The invention comprises a diamond wire body, wherein the core of the diamond wire body is an integrated structure formed by spirally winding two or more groups of carbon fiber strips (1), the outer side of the carbon fiber strips (1) is filled with a first solidified layer (2), the outer side of the first solidified layer (2) is provided with a second solidified layer (3), the outer side of the second solidified layer (3) is provided with a third solidified layer (4), the third solidified layer (4) is mixed with a plurality of diamond particles (5), and the plurality of diamond particles (5) are dispersed along the length direction of the diamond wire body.

2. The high-strength and high-toughness composite diamond wire according to claim 1, characterized in that: The second solidified layer (3) is a mixture of epoxy resin and metal powder.

3. The high-strength and high-toughness composite diamond wire according to claim 2, characterized in that: The metal powder is iron powder.

4. The high-strength and high-toughness composite diamond wire according to claim 1, characterized in that: The diamond particles (5) have an irregular structure.

5. The high-strength and high-toughness composite diamond wire according to claim 1, characterized in that: Some of the diamond particles (5) among the plurality of diamond particles (5) protrude from the outer surface of the third solidified layer (4).

6. The high-strength and high-toughness composite diamond wire according to claim 1, characterized in that: The diameter dimension of the first solidified layer (2) is greater than the thickness dimension of the third solidified layer (4), and the thickness dimension of the third solidified layer (4) is greater than the thickness dimension of the second solidified layer (3).

7. The high-strength and high-toughness composite diamond wire according to claim 1, characterized in that: The cross section of the carbon fiber strip (1) is circular.

8. The high-strength and high-toughness composite diamond wire according to claim 1, characterized in that: The diameters of the two or more groups of carbon fiber strips (1) are consistent.

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