Electroplated diamond cutting disc and manufacturing process thereof

Abstract

The invention relates to an electroplated diamond cutting disc and a manufacturing process thereof.The cutting disc comprises a circular cutting disc base body, a through hole is formed in the center of the cutting disc base body, the inner wall of the through hole extends outwards to be provided with a stress release groove, and a diamond abrasive layer is arranged on the outer edge area of the cutting disc base body; a circle of cutting teeth are arranged on the periphery of the circular base body, and the diamond abrasive layer completely covers the cutting teeth. According to the electroplated diamond cutting blade, the thickness of the cutting blade base body is reduced, material waste during cutting is greatly reduced, meanwhile, deformation and swing generated during electroplated diamond cutting are avoided, and the cutting precision is effectively improved.

Description

Technical Field

[0001] The invention relates to an electroplated diamond cutting blade and a manufacturing process thereof, belonging to the technical field of diamond cutting blades. Background Art

[0002] Electroplated diamond cutting blades are used for cutting precious stones, optical precision lenses, semiconductors, capillary glass tubes and other materials. An indispensable tool in work.

[0003] The existing electroplated diamond cutting blades are generally thicker (usually 1mm) due to the need to ensure structural stability. Such thickness seriously wastes cutting materials and causes losses in the cutting of precious gemstones and semiconductor wafers. In addition, the existing electroplated diamond cutting blades have a large cutting blade base, which is prone to deformation and swing, and it is difficult to control the cutting accuracy. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide an electroplated diamond cutting blade for the above-mentioned prior art, which reduces the thickness of the cutting blade substrate, greatly reduces the waste of materials during cutting, and at the same time avoids the deformation and swing caused by electroplated diamond cutting, effectively improving the cutting accuracy.

[0005] Another technical problem to be solved by the present invention is to provide a manufacturing process for electroplated metal cutting blades to improve production efficiency and reduce production costs.

[0006] The technical solution adopted by the present invention to solve the above-mentioned problem is: an electroplated diamond cutting blade, which includes a circular cutting blade substrate, a through hole is opened in the center of the cutting blade substrate, a stress release groove is extended outward from the inner wall of the through hole, a diamond abrasive layer is arranged in the outer edge area of ​​the cutting blade substrate, a circle of cutting teeth is arranged on the outer periphery of the circular substrate, and the diamond abrasive layer completely covers the cutting teeth.

[0007] Optionally, the stress release groove is arranged along the radial direction of the cutting blade substrate.

[0008] Optionally, there are three stress release grooves, and the three stress release grooves are arranged in a circular array.

[0009] Optionally, the thickness of the cutting sheet substrate is 0.2 mm, the diameter of the through hole is 40 mm, and the outer diameter of the cutting sheet substrate is 75 mm.

[0010] Optionally, the stress release groove has a width of 0.3 mm and a length of 10 mm.

[0011] Optionally, the diamond abrasive layer has a width of 3 mm and a thickness of 0.08 mm.

[0012] Optionally, the width of the cutting teeth is 0.4 mm, the height is 0.45 mm, and the spacing between two adjacent cutting teeth is 0.2 mm.

[0013] A process for manufacturing an electroplated diamond cutting blade, the process comprising the following steps: Step 1: Take a steel plate and cut it into rectangular substrates of uniform specifications; Step 2: Stack and fix multiple rectangular substrates in a wire cutting tool; The wire cutting tool comprises a lower pressing plate and an upper pressing plate, a positioning frame is arranged between the lower pressing plate and the upper pressing plate, the front side of the positioning frame is open, the lower pressing plate and the upper pressing plate have the same structure, both comprise a pressing plate body, a circular hole is arranged on the pressing plate body, and a wire inlet groove is arranged on the front side of the circular hole; During installation, first remove the upper pressing plate, then stack multiple rectangular substrates and place them in the positioning frame. After the rectangular substrates are full, connect the upper pressing plate to the positioning frame with bolts to tighten and fix the rectangular substrates. Step 3: Install the wire cutting tool with the rectangular substrate installed on the punching machine to punch holes in the stacked rectangular substrates; Step 4: Fix the wire cutting tool on the wire cutting machine to form a cutting sheet matrix by wire cutting; The wire cutting process is divided into two steps: the first step is to insert the cutting wire of the wire cutting machine into the opening of the rectangular substrate, and process the through hole and stress release groove in the center of the cutting piece substrate by wire cutting; the second step is to feed the cutting wire of the wire cutting machine from the wire feed slot, and process the cutting teeth on the periphery of the cutting piece substrate by wire cutting. After the processing is completed, the cutting piece substrate is formed by blanking; Step 5: electroplating the cutting blade substrate through electroplating tooling to form an electroplated diamond cutting blade.

[0014] Optionally, in step three, a hole is opened through all the stacked rectangular substrates, and the position of the hole corresponds to the position of the center of the circular hole on the upper pressing plate.

[0015] Optionally, the electroplating tooling in step five includes a core rod, on which a plurality of rubber spacers are arranged; the rubber spacer includes a spacer body, on which an insert slot is horizontally opened, and a metal conductive sheet is arranged in the insert slot; during installation, a plurality of cutting sheet substrates are mounted on the core rod, two adjacent cutting sheet substrates are separated by the rubber spacer, two adjacent cutting sheet substrates are connected to each other through the metal conductive sheet, and the plurality of cutting sheet substrates are connected in sequence as a whole, at which time the electroplating operation of the cutting sheet substrate can be carried out.

[0016] Compared with the prior art, the advantages of the present invention are: 1. The cutting blade of the present invention reduces the thickness of the cutting blade substrate, greatly reduces the waste of materials during cutting, and avoids the deformation and swing caused by electroplated diamond cutting, effectively improving the cutting accuracy; 2. The manufacturing process of the present invention is simple and easy to operate. The use of wire cutting tooling and electroplating tooling greatly improves the production efficiency of electroplated diamond cutting blades and reduces production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The figure is a schematic structural diagram of an electroplated diamond cutting blade of the present invention.

[0018] Figure 2 for Figure 1 Schematic diagram of the structure of the medium circular matrix.

[0019] Figure 3 for Figure 2 A partial enlarged view of the middle cutting tooth.

[0020] Figure 4 This is a schematic diagram of the structure of the wire cutting tool.

[0021] Figure 5 It is a schematic diagram of the structure of the rubber spacer.

[0022] in: Cutting sheet substrate 1 Via 2 Stress relief groove 3 Diamond abrasive layer 4 Cutting teeth 5 Lower pressure plate 6 Upper pressure plate 7 Positioning frame 8 Press plate body 9 Round hole 10 Cable entry 11 Spacer body 12 Insert slot 13 The metal conductive sheet 14 . DETAILED DESCRIPTION

[0023] The present invention is further described in detail below with reference to the accompanying drawings.

[0024] like Figure 1~Figure 3 As shown, an electroplated diamond cutting blade in this embodiment comprises a circular cutting blade substrate 1, a through hole 2 is provided at the center of the cutting blade substrate 1, a stress release groove 3 is provided on the outer wall of the through hole 2 extending outward, and a circle of diamond abrasive layer 4 is provided at the outer edge of the cutting blade substrate 1; The cutting blade substrate 1 is provided with a circle of cutting teeth 5 on its outer periphery, and the diamond abrasive layer 4 completely covers the cutting teeth 5; The stress release groove 3 is arranged along the radial direction of the cutting blade substrate 1; There are three stress release grooves 3, and the three stress release grooves 3 are arranged in a circular array; The thickness of the cutting sheet substrate 1 is 0.2 mm, the diameter of the through hole 2 is 40 mm, and the outer diameter of the cutting sheet substrate 1 is 75 mm; The stress release groove 3 has a width of 0.3 mm and a length of 10 mm; The diamond abrasive layer 4 has a width of 3 mm and a thickness of 0.08 mm; The width of the cutting teeth 5 is 0.4 mm, the height is 0.45 mm, and the spacing between two adjacent cutting teeth 5 is 0.2 mm.

[0025] A process for manufacturing an electroplated diamond cutting blade, the process comprising the following steps: Step 1: Take a steel plate and cut it into rectangular substrates of uniform specifications; The thickness of the steel plate is 0.2 mm, the length of the rectangular substrate is 200 mm, and the width is 90 mm; Step 2: Stack and fix multiple rectangular substrates in a wire cutting tool; See also Figure 4 The wire cutting tool comprises a lower pressing plate 6 and an upper pressing plate 7, a positioning frame 8 is arranged between the lower pressing plate 6 and the upper pressing plate 7, the front side of the positioning frame 8 is open, the lower pressing plate 6 and the upper pressing plate 7 have the same structure, both comprise a pressing plate body 9, a circular hole 10 is opened on the pressing plate body 9, and a wire inlet groove 11 is opened on the front side of the circular hole 10; The positioning frame 8 includes two left and right side panels, and a rear panel is arranged between the left and right side panels; There are two circular holes 10, and the two circular holes 10 are arranged at intervals on the left and right sides; The circular holes 10 and the wire inlet grooves 11 on the lower pressing plate 6 and the upper pressing plate 7 correspond to each other in position; The inner dimensions of the positioning frame 8 match those of the rectangular substrate, i.e., the length is 200 mm and the width is 90 mm; The thickness of the side panels and the rear panel is 15 mm; The distance between the left and right circular holes 10 is 100 mm; The diameter of the circular hole 10 is 84 mm; The width of the wire inlet groove 11 is 10 mm; The lower pressing plate 6 and the upper pressing plate 7 are connected to the positioning frame 8 by bolts respectively; During installation, first remove the upper pressing plate, then stack multiple rectangular substrates and place them in the positioning frame. After the rectangular substrates are full, connect the upper pressing plate to the positioning frame with bolts to tighten and fix the rectangular substrates. Step 3: Install the wire cutting tool with the rectangular substrate installed on the punching machine to punch holes in the stacked rectangular substrates; The openings penetrate all the stacked rectangular substrates, and the positions of the openings correspond to the positions of the centers of the circular holes on the upper pressing plate; Step 4: Fix the wire cutting tool on the wire cutting machine to form a cutting sheet matrix by wire cutting; The wire cutting process is divided into two steps: the first step is to insert the cutting wire of the wire cutting machine into the opening of the rectangular substrate, and process the through hole and stress release groove in the center of the cutting piece substrate by wire cutting; the second step is to feed the cutting wire of the wire cutting machine from the wire feed slot, and process the cutting teeth on the periphery of the cutting piece substrate by wire cutting. After the processing is completed, the cutting piece substrate is formed by blanking; Step 5: electroplating the cutting blade substrate through electroplating tooling to form an electroplated diamond cutting blade.

[0026] The electroplating tooling comprises a mandrel, on which a plurality of rubber spacers are arranged; See also Figure 5 The rubber spacer includes a spacer body 12, and an inserting slot 13 is horizontally opened on the spacer body 12, and a metal conductive sheet 14 is arranged in the inserting slot 13; The electroplating range of the diamond abrasive layer can be adjusted by adjusting the size of the rubber spacer; During installation, multiple cutting blade substrates are mounted on the core rod, and two adjacent cutting blade substrates are separated by a rubber spacer, and the multiple cutting blade substrates are fixed by a locking nut. Since the rubber spacer is provided with a blade slot, and a metal conductive sheet is provided in the blade slot, the two adjacent cutting blade substrates can be connected to each other through the metal conductive sheet. Therefore, the multiple cutting blade substrates mounted on the core rod are connected in sequence as a whole, and the electroplating operation of the cutting blade substrate can be carried out at this time.

[0027] In addition to the above embodiments, the present invention also includes other implementation modes. Any technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.

Claims

1. An electroplated diamond cutting blade, characterized in that: It comprises a circular cutting blade substrate, a through hole is provided in the center of the cutting blade substrate, a stress release groove is provided on the inner wall of the through hole extending outward, a diamond abrasive layer is provided in the outer edge area of ​​the cutting blade substrate, a circle of cutting teeth is provided on the outer periphery of the circular substrate, and the diamond abrasive layer completely covers the cutting teeth.

2. The electroplated diamond cutting blade according to claim 1, characterized in that: The stress release groove is arranged along the radial direction of the cutting blade base.

3. The electroplated diamond cutting blade according to claim 1, characterized in that: There are three stress release grooves, which are arranged in a circular array.

4. The electroplated diamond cutting blade according to claim 1, characterized in that: The thickness of the cutting sheet substrate is 0.2 mm, the diameter of the through hole is 40 mm, and the outer diameter of the cutting sheet substrate is 75 mm.

5. The electroplated diamond cutting blade according to claim 1, characterized in that: The stress release groove has a width of 0.3 mm and a length of 10 mm.

6. The electroplated diamond cutting blade according to claim 1, characterized in that: The diamond abrasive layer has a width of 3 mm and a thickness of 0.08 mm.

7. The electroplated diamond cutting blade according to claim 1, characterized in that: The width of the cutting teeth is 0.4 mm, the height is 0.45 mm, and the spacing between two adjacent cutting teeth is 0.2 mm.

8. A process for producing an electroplated diamond cutting blade, characterized in that The process comprises the following steps: Step 1: Take a steel plate and cut it into rectangular substrates of uniform specifications; Step 2: Stack and fix multiple rectangular substrates in a wire cutting tool; The wire cutting tool comprises a lower pressing plate and an upper pressing plate, a positioning frame is arranged between the lower pressing plate and the upper pressing plate, the front side of the positioning frame is open, the lower pressing plate and the upper pressing plate have the same structure, both comprise a pressing plate body, a circular hole is arranged on the pressing plate body, and a wire inlet groove is arranged on the front side of the circular hole; During installation, first remove the upper pressing plate, then stack multiple rectangular substrates and place them in the positioning frame. After the rectangular substrates are full, connect the upper pressing plate to the positioning frame with bolts to tighten and fix the rectangular substrates. Step 3: Install the wire cutting tool with the rectangular substrate installed on the punching machine to punch holes in the stacked rectangular substrates; Step 4: Fix the wire cutting tool on the wire cutting machine to form a cutting sheet matrix by wire cutting; The wire cutting process is divided into two steps: the first step is to insert the cutting wire of the wire cutting machine into the opening of the rectangular substrate, and process the through hole and stress release groove in the center of the cutting piece substrate by wire cutting; the second step is to feed the cutting wire of the wire cutting machine from the wire feed slot, and process the cutting teeth on the periphery of the cutting piece substrate by wire cutting. After the processing is completed, the cutting piece substrate is formed by blanking; Step 5: electroplating the cutting blade substrate through electroplating tooling to form an electroplated diamond cutting blade.

9. The process for manufacturing an electroplated diamond cutting blade according to claim 8, characterized in that: In step three, holes are opened through all the stacked rectangular substrates, and the positions of the holes correspond to the positions of the centers of the circular holes on the upper pressing plate.

10. The process for manufacturing an electroplated diamond cutting blade according to claim 8, characterized in that: In step five, the electroplating tooling includes a core rod, on which a plurality of rubber spacers are arranged; the rubber spacers include a spacer body, on which a sheet inserting slot is horizontally opened, and in which a metal conductive sheet is arranged; during installation, a plurality of cutting sheet substrates are mounted on the core rod, and two adjacent cutting sheet substrates are separated by the rubber spacers, and two adjacent cutting sheet substrates are connected to each other through the metal conductive sheet, and the plurality of cutting sheet substrates are connected in sequence as a whole, and at this time, the electroplating operation of the cutting sheet substrates can be carried out.

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