Carbon steel duplicate gear machining process and paper shredder applying gear
A duplex gear and processing technology, which is applied to components with teeth, belts/chains/gears, mechanical equipment, etc., can solve the problem of low strength of duplex gears, and achieve simple installation, good stability, and reduced volume Effect
Pending Publication Date: 2021-07-16
新昌县宏昇机械厂
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Problems solved by technology
[0003] In view of the problem of low strength of the integral dual gear formed by powder metallurgy or injection molding in the above background technology, the present invention aims to provide a carbon steel dual gear processing technology
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Embodiment approach 1
[0036] Embodiment 1, a carbon steel duplex gear processing technology of the present invention, comprising the following steps:
[0037] Step 1, select the round bar as the gear blank for processing the duplex gear;
[0038] Step 2, press the round bar into a "convex" shape by hot forging;
[0039] Step 3, performing spheroidizing annealing treatment on the gear blank after hot forging;
[0040] Step 4: Small teeth are formed by extruding the convex part of the gear blank, and the small teeth are reversely formed on the other end surface of the "convex"-shaped gear blank, and on the upper end surface of the small teeth and the connection with the large teeth form rounded corners;
[0041] Step 5: Carry out inner hole processing and large tooth forging processing on the gear blank, so that the axial inner hole and large teeth are formed on the gear blank, and the large tooth profile is formed by large tooth forging to form a rounded corner with the edge of one of the planes; ...
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The invention discloses a carbon steel duplicate gear machining process and a paper shredder applying a gear, and belongs to the technical field of gear machining. According to the carbon steel duplicate gear machining process and the paper shredder applying the gear, aiming at the problem of low strength of the integral duplicate gear formed by powder metallurgy or injection molding, small teeth and the large teeth of the duplicate gear are respectively formed in a gear process machining mode, and the corners of the duplicate gear are directly forged and pressed to form fillets. According to the carbon steel duplicate gear machining process and the paper shredder applying the gear, compared with a traditional process for manufacturing the duplicate gear through powder metallurgy work, the strength is high, the manufacturing process is ingenious, and the problem that the integral duplicate gear is manufactured through a carbon steel material is solved; the paper shredder adopts a duplicate gear structure transmission mode, so that the transmission efficiency of the paper shredder is higher, the stability is better, and the strength is higher than that of a single gear transmission mode; and the paper shredder is simpler to install, and the size of a transmission part can be effectively reduced.
Description
technical field [0001] The invention belongs to the technical field of gear processing, and in particular relates to a carbon steel duplex gear processing technology. Background technique [0002] There are two common structural forms of the existing double gears: one is the integral type, the gear is integrally processed from one tooth blank; the other is the split type, the large and small gears of the double gear are made of two or four The blanks are processed separately, and then assembled by thermal expansion, extrusion, riveting and series connection, but the accuracy and strength are lacking after connection. Existing integral gears are generally formed by powder metallurgy or injection molding, and the strength of these two types is not high, so they cannot be applied to high-strength use environments. In addition, the existing duplex gears used in paper shredders have low transmission precision and high installation costs, and most of them adopt a split transmissi...
Claims
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IPC IPC(8): B23P15/14B02C18/24B02C18/00F16H55/17
CPCB23P15/14F16H55/17B02C18/0007B02C18/24
Inventor 邢利东
Owner 新昌县宏昇机械厂