Abstract A tear-proof arc diamond finger bit cutter 019214377410 A tear-proof arc diamond finger bit cutter Authorization announcement number: CN210880086U Authorization announcement date: 2020.06.30 Application number: 2019214377410 Application date: 2019....
Anti-tearing circular arc diamond finger bit cutter
019214377410 A tear-proof arc diamond finger bit cutter
Authorization announcement number: CN210880086U
Authorization announcement date: 2020.06.30
Application Number: 2019214377410
Application date: 2019.08.30
Patentee: Suzhou Ingenuity Tools Co., Ltd.
Address: 215105 Building 22, No. 4168 Dongshan Avenue, Linhu Town, Wuzhong District, Suzhou City, Jiangsu Province
Inventor: Zhang Naiqiang; Zhang Haiyang
Int. Cl.: B27G13/08(2006.01)I
Abstract The utility model discloses a tear-proof arc diamond finger bit cutter, which is characterized in that it includes a blade body, and at least three sets of cutter heads are spirally installed on the outer edge of the blade body; a mounting hole is provided in the center of the blade body A plurality of heat dissipation holes are evenly distributed on the knife body, and the plurality of heat dissipation holes are evenly distributed on the outer side of the mounting hole; each group of the knife head includes two groups of knife holders inclined in the same direction, each A blade is installed on the inclined side of the knife seat, and the cutting edge of the outer edge surface of the blade protrudes from the outer edge surface of the knife seat, and the outer surface of each group of the blades is provided with an arc-shaped processing groove. The cutting edge of the blade is set on the outer edge surface of the arc-shaped machining groove; one set of blades is a rough trimming blade, and the other set of blades is a finishing blade; the arc-shaped machining groove of the rough trimming blade is arranged at intervals A complex array of broken grooves, and the rough trimming blade edges between adjacent broken grooves constitute a V-shaped convex strip structure. The utility model improves the processing quality of the arc surface of the product.
Abstract attached
Technical field
[0001] The utility model relates to a cutter, in particular to a tear-proof arc diamond finger bit cutter.
Background technique
[0002] In the prior art, when the arc surface is milled on wood, the uneven force will cause the product surface to tear, which affects the processing quality of the product. At the same time, when the tool is processing the arc surface, it will generate higher heat, which not only affects the service life of the tool, but also the tool with higher temperature will carbonize the wood surface and affect the processing quality of the product.
Summary of the invention
[0003] The purpose of the utility model is to provide a tear-proof arc diamond finger bit cutter, by using this structure, the processing quality of the arc surface of the product is improved.
[0004] In order to achieve the above purpose, the technical solution adopted by the present utility model is: a tear-proof arc diamond finger bit cutter, including a blade, at least three groups of cutter heads are spirally installed on the outer edge of the blade; A mounting hole is provided in the very center of the blade, a plurality of heat dissipation holes are evenly distributed on the knife body, and the plurality of heat dissipation holes are uniformly distributed on the outer side of the mounting hole;
[0005] Each group of the cutter head includes two groups of cutter holders inclined in the same direction, and each group of the cutter holder has a blade installed on the inclined side, and the blade on the outer edge surface of the blade protrudes from the outer edge of the cutter holder On the outside of the surface, an arc-shaped processing groove is provided on the outer surface of each set of the blades, and the blade of the blade is arranged on the outer edge surface of the arc-shaped processing groove;
[0006] One set of blades is a rough trimming blade, and the other set of blades is a finishing blade. The rough trimming blade is arranged on the seat at the front of the inclined side of the finishing blade. On the outside of the outer edge surface of the knife holder, the edge of the finishing blade is protrudingly arranged on the outside of the outer edge surface of the corresponding knife holder, and the protrusion height of the rough cutting blade edge is smaller than that of the finishing blade edge The protrusion height;
[0007] The arc machining groove of the rough trimming blade is provided with a plurality of break grooves at intervals, and the cutting edges of the rough trimming blade between adjacent break grooves constitute a V-shaped convex strip structure.
[0008] In the above technical solution, each set of the blade side of the blade is provided with a chip groove, both ends of the chip groove are connected with the side walls on both sides of the blade, the chip groove One side is flush with the side wall corresponding to the blade.
[0009] In the above technical solution, an arc-shaped groove is provided on the outer edge surface of the tool seat, and the arc-shaped groove is arranged directly opposite to the arc-shaped processing groove of the blade. The width is greater than that of the arc-shaped processing groove, and the bottom surface of the arc-shaped groove is set below the bottom surface of the arc-shaped processing groove corresponding to the blade.
[0010] In the above technical solution, both ends of the grooves are communicated with side surfaces on both sides of the rough trimming blade.
[0011] In the above technical solution, the protruding height of the cutting edge of the finishing blade is 2 mm greater than the protruding height of the cutting edge of the rough cutting blade, and the depth of the breaking groove is 1 mm to 1.8 mm.
[0012] Due to the application of the above technical solutions, the present invention has the following advantages compared with the prior art:
[0013] 1. In the present utility model, each group of cutter heads is provided with two sets of blades, which are rough trimming blades and finishing blades. Each set of blades is provided with arc-shaped processing grooves. The protruding height of the cutting edge of the trimming blade is provided with break grooves in the arc processing groove of the rough trimming blade, and a V-shaped convex strip structure is formed between adjacent break grooves, so that the arc processing groove of the rough trimming blade can be used Perform the preliminary processing of the curved surface first to destroy the texture of the wood surface.
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