A mold flat groove milling cutter
A technology of flat grooves and milling cutters, applied in milling cutters, manufacturing tools, milling machine equipment, etc., can solve the problems of low pass rate, low precision, and long processing time, and achieve high pass rate, fast processing, and guaranteed accuracy. Effect
Inactive Publication Date: 2016-02-10
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 chamfered grooves 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
Method used
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Embodiment Construction
[0020] refer to Figure 1 to Figure 3 , the invention discloses a mold flat 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 a plane 7 is provided at the end of the mouth portion 4, the plane 7 intersects with the rake face 6, and the intersection line of the plane 7 and the rake face 6 constitutes the main cutting edge 8 of the tool, And the intersection line is a straight line, the plane 7 intersects with a concave arc surface relative to the plane 7 and the knife neck surface, the radius of the arc surf...
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The invention discloses a die flat-groove milling cutter which comprises a cylindrical cutter bar 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 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 a plane which intersects with the front cutter surface; the intersecting line of the plane and the front cutter surface forms a main cutting edge of the cutter; the intersecting line is a straight line; the plane intersects with an arc surface of the cutter neck part surface; an arc line formed by the intersecting of the arc surface with the front cutter surface forms a first auxiliary cutting edge of the cutter; an closed angle is formed at the joint of the main cutting edge and the first auxiliary cutting edge; the cutter mouth part is provided with a first top back cutter surface; a transition arc is formed at the joint of the plane and the first top back cutter surface; an arc line formed by the intersecting of the transition arc with the front cutter surface forms a second auxiliary cutting edge.
Description
technical field [0001] The invention relates to a milling cutter, in particular to a mold flat 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 chamfered grooves in specific positions), multiple processing is required, and the processing takes a long time (generally processing about 15 pieces a day), Moreover, 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 provide...
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