Bidirectional machining cutter capable of ensuring coaxiality
A two-way processing and coaxiality technology, which is applied in the direction of manufacturing tools, metal processing equipment, boring/drilling, etc., can solve the problems of shape and position tolerance, and achieve the solution of shape and position tolerance, novel structure, processing Quality stable and reliable effect
Inactive Publication Date: 2019-03-22
内蒙古第一机械集团股份有限公司
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Problems solved by technology
[0003] The invention provides a two-way machining tool that guarantees coaxiality, and the technical problem to be solved is: the problem that the shape and position tolerance of the planetary row frame assembly is out of tolerance after processing is solved
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[0010] In order to make the purpose, content and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below.
[0011] The present invention proposes a two-way machining tool that guarantees coaxiality, including pull stud 1, tool handle 2, tool bar 3, cutter head I4, cutter head II5, blade I6, blade II7, adjustable nut I8, adjustable nut Ⅱ11, compression nut Ⅰ10, compression nut Ⅱ9, balance weight 12; the connection method of adjustable nut, compression nut and balance weight is the same as that of general CNC tools,
[0012] Pull stud 1, knife handle 2, and knife bar 3 are fixedly connected in turn, and the knife head I4 and knife head II5 are installed on the knife bar 3 in parallel, and each knife head is connected to the knife bar through an adjustable nut and a compression nut;
[0013] There are blades fixed on the cutter head, the direction of the two blades is opposite and the cutt...
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The invention discloses a bidirectional machining cutter capable of ensuring coaxiality. The bidirectional machining cutter capable of ensuring coaxiality includes a rivet, a cutter hilt, a cutter bar, cutter heads and blades, wherein the rivet, the cutter hilt and the cutter bar are fixedly connected sequentially; the two cutter heads are arranged in parallel on the cutter bar; a blade is fixed to each cutter head; the directions of the two blades are opposite and the cutting angles of the two tips are opposite; the tip distance is greater than the depth of holes being machined; a bidirectional machining cutter is formed; the blade on the lower side machines the hole on the upper side; the blade on the upper side machines the hole on the lower side; and the protrusion amounts, relative tothe cutter bar, of the two cutter heads are the same and need to avoid the interference with shaft shoulders on a planet carrier. According to bidirectional machining cutter, the design reference ofa planet line framework is clamped once and machined once through the cutter; the design reference and the measured elements are clamped at the same time and machined by changing the cutter twice so that the bearing mounting surfaces of the planet line framework assembly can make direct contact with planetary wheel shaft holes in the machining process; and the processing quality is stable and reliable.
Description
technical field [0001] The invention belongs to the field of planetary row frame processing, and in particular relates to a bidirectional processing tool for ensuring coaxiality. Background technique [0002] Planetary transmission includes sun gear, planetary gear, planetary row frame assembly, planetary gear shaft, bearing, etc. Planetary row frame assembly (see figure 1 ) is an important part of the planetary transmission, consisting of the main frame, sub-frame, positioning pins and fastening bolts. The planetary row frame assembly is a weakly rigid hollow structure, the two bearing mounting surfaces are the design basis, and the four planetary shaft holes are the elements to be tested. Due to the high precision, due to the limitation of the structure, the two bearing mounting surfaces cannot be completed at one time. The turning process must be used, and the planetary gear shaft mounting surface must use the boring and milling process. The processing of the design bas...
Claims
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Login to View More IPC IPC(8): B23B41/00
CPCB23B41/00
Inventor 李一峰张建强宋军刘薇王金栋
Owner 内蒙古第一机械集团股份有限公司