A mold circular groove milling cutter
A round groove and milling cutter technology, which is applied in the direction of milling cutters, manufacturing tools, milling machine equipment, etc., can solve the problems of low precision, long processing time, low pass rate, etc., and achieve high pass rate, fast processing, and guaranteed accuracy Effect
Inactive Publication Date: 2017-07-28
ZHONGSHAN YUANFENG PRECISION CUTTING TOOL CO LTD
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Problems solved by technology
[0003] At present, the processing of this kind of mold is mainly based on wire cutting, but for some structures in the mold (such as arc grooves with chamfers in specific positions), multiple processing is required, and the processing takes a long time (generally processing about 15 pieces a day) ), and the accuracy is not high, resulting in a low pass rate
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[0021] refer to Figure 1 to Figure 4 , the invention discloses a mold circular groove milling cutter, comprising a cylindrical cutter bar 1 and a cutter head 2, the cutter head 2 includes a cutter neck 3 and a cutter mouth 4, and the cutter neck 3 and the cutter mouth 4 are integral Roughly L-shaped, the cutter head 2 is provided with a positioning base surface 5. When the cutter is installed on the fixture on the mechanical equipment, the positioning base surface 5 is pressed against the pin to fix the cutter to prevent the cutter from rotating relative to the fixture. A rake face 6 is provided, and an arc surface 7 is provided at the end of the mouth portion 4, and the arc face 7 intersects with the rake face 6, and the intersection line between the arc face 7 and the rake face 6 constitutes a tool The main cutting edge 8 of the main cutting edge 8, and the intersection line is an arc line, and the position where the arc surface 7 meets the surface of the knife neck passes ...
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A disclosed milling cutter for mold circular grooves comprises a cylindrical cutter arbor and a cutter head, and is characterized in that the cutter head comprises a cutter neck part and a cutter mouth part; the cutter head part is provided with a positioning base surface; the cutter mouth part is provided with a front cutter surface, the end part of the cutter mouth part is provided with an arc surface, and the front cutter surface intersects the arc surface; the intersection line of the arc surface and the front cutter surface forms a main cutting edge of the cutter, and the intersection line is an arc line; the connection position of the arc surface and the cutter neck part surface is a transition arc inwards concave relative to the arc surface and the cutter neck part surface; and an arc line formed by intersected transition arc and front cutter surface forms an auxiliary cutting edge of the cutter.
Description
technical field [0001] The invention relates to a milling cutter, in particular to a mold circular groove milling cutter. Background technique [0002] Some daily necessities in people's daily life (such as gel water bottles, medicinal spray bottles, etc.) will have a spray valve. The switch of the valve is usually controlled by the valve stem. The valve stem of the spray valve is molded by injection molding. The precision of the mold is high, and the precision of the injection molded valve stem is good. [0003] At present, the processing of this kind of mold is mainly based on wire cutting, but for some structures in the mold (such as arc grooves with chamfers in specific positions), multiple processing is required, and the processing takes a long time (generally about 15 pieces per day) ), and the accuracy is not high, resulting in a low pass rate. Contents of the invention [0004] In order to overcome the deficiencies of the prior art, the present invention provides...
Claims
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IPC IPC(8): B23C5/10
Inventor 朱松林廖志雄
Owner ZHONGSHAN YUANFENG PRECISION CUTTING TOOL CO LTD